Hyper fast Audio and Video encoder usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}... Getting help: -h -- print basic options -h long -- print more options -h full -- print all options (including all format and codec specific options, very long) -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter See man ffmpeg for detailed description of the options. Print help / information / capabilities: -L show license -h topic show help -? topic show help -help topic show help --help topic show help -version show version -buildconf show build configuration -formats show available formats -devices show available devices -codecs show available codecs -decoders show available decoders -encoders show available encoders -bsfs show available bit stream filters -protocols show available protocols -filters show available filters -pix_fmts show available pixel formats -layouts show standard channel layouts -sample_fmts show available audio sample formats -colors show available color names -sources device list sources of the input device -sinks device list sinks of the output device -hwaccels show available HW acceleration methods Global options (affect whole program instead of just one file: -loglevel loglevel set logging level -v loglevel set logging level -report generate a report -max_alloc bytes set maximum size of a single allocated block -y overwrite output files -n never overwrite output files -ignore_unknown Ignore unknown stream types -stats print progress report during encoding -max_error_rate ratio of errors (0.0: no errors, 1.0: 100% error maximum error rate -bits_per_raw_sample number set the number of bits per raw sample -vol volume change audio volume (256=normal) Advanced global options: -cpuflags flags force specific cpu flags -hide_banner hide_banner do not show program banner -copy_unknown Copy unknown stream types -benchmark add timings for benchmarking -benchmark_all add timings for each task -progress url write program-readable progress information -stdin enable or disable interaction on standard input -timelimit limit set max runtime in seconds -dump dump each input packet -hex when dumping packets, also dump the payload -vsync video sync method -frame_drop_threshold frame drop threshold -async audio sync method -adrift_threshold threshold audio drift threshold -copyts copy timestamps -start_at_zero shift input timestamps to start at 0 when using copyts -copytb mode copy input stream time base when stream copying -dts_delta_threshold threshold timestamp discontinuity delta threshold -dts_error_threshold threshold timestamp error delta threshold -xerror error exit on error -abort_on flags abort on the specified condition flags -filter_complex graph_description create a complex filtergraph -lavfi graph_description create a complex filtergraph -filter_complex_script filename read complex filtergraph description from a file -debug_ts print timestamp debugging info -intra deprecated use -g 1 -sameq Removed -same_quant Removed -deinterlace this option is deprecated, use the yadif filter instead -psnr calculate PSNR of compressed frames -vstats dump video coding statistics to file -vstats_file file dump video coding statistics to file -qphist show QP histogram -vc channel deprecated, use -channel -tvstd standard deprecated, use -standard -isync this option is deprecated and does nothing -override_ffserver override the options from ffserver -sdp_file file specify a file in which to print sdp information Per-file main options: -f fmt force format -c codec codec name -codec codec codec name -pre preset preset name -map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile -t duration record or transcode "duration" seconds of audio/video -to time_stop record or transcode stop time -fs limit_size set the limit file size in bytes -ss time_off set the start time offset -sseof time_off set the start time offset relative to EOF -seek_timestamp enable/disable seeking by timestamp with -ss -timestamp time set the recording timestamp ('now' to set the current time) -metadata string=string add metadata -target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-") -apad audio pad -frames number set the number of frames to output -filter filter_graph set stream filtergraph -filter_script filename read stream filtergraph description from a file -reinit_filter reinit filtergraph on input parameter changes -discard discard -disposition disposition Advanced per-file options: -map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_s set input stream mapping -map_channel file.stream.channel[:syncfile.syncstream] map an audio channel from one stream to another -map_chapters input_file_index set chapters mapping -accurate_seek enable/disable accurate seeking with -ss -itsoffset time_off set the input ts offset -itsscale scale set the input ts scale -dframes number set the number of data frames to output -re read input at native frame rate -shortest finish encoding within shortest input -copyinkf copy initial non-keyframes -copypriorss copy or discard frames before start time -tag fourcc/tag force codec tag/fourcc -q q use fixed quality scale (VBR) -qscale q use fixed quality scale (VBR) -profile profile set profile -attach filename add an attachment to the output file -dump_attachment filename extract an attachment into a file -stream_loop loop count set number of times input stream shall be looped -thread_queue_size set the maximum number of queued packets from the demuxer -autorotate automatically insert correct rotate filters -muxdelay seconds set the maximum demux-decode delay -muxpreload seconds set the initial demux-decode delay -bsf bitstream_filters A comma-separated list of bitstream filters -fpre filename set options from indicated preset file -dcodec codec force data codec ('copy' to copy stream) Video options: -vframes number set the number of video frames to output -r rate set frame rate (Hz value, fraction or abbreviation) -s size set frame size (WxH or abbreviation) -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777) -bits_per_raw_sample number set the number of bits per raw sample -vn disable video -vcodec codec force video codec ('copy' to copy stream) -timecode hh:mm:ss[:;.]ff set initial TimeCode value. -pass n select the pass number (1 to 3) -vf filter_graph set video filters -ab bitrate audio bitrate (please use -b:a) -b bitrate video bitrate (please use -b:v) -dn disable data Advanced Video options: -pix_fmt format set pixel format -intra deprecated use -g 1 -rc_override override rate control override for specific intervals -sameq Removed -same_quant Removed -passlogfile prefix select two pass log file name prefix -deinterlace this option is deprecated, use the yadif filter instead -psnr calculate PSNR of compressed frames -vstats dump video coding statistics to file -vstats_file file dump video coding statistics to file -intra_matrix matrix specify intra matrix coeffs -inter_matrix matrix specify inter matrix coeffs -chroma_intra_matrix matrix specify intra matrix coeffs -top top=1/bottom=0/auto=-1 field first -vtag fourcc/tag force video tag/fourcc -qphist show QP histogram -force_fps force the selected framerate, disable the best supported framerate selection -streamid streamIndex:value set the value of an outfile streamid -force_key_frames timestamps force key frames at specified timestamps -hwaccel hwaccel name use HW accelerated decoding -hwaccel_device devicename select a device for HW acceleration -vc channel deprecated, use -channel -tvstd standard deprecated, use -standard -vbsf video bitstream_filters deprecated -vpre preset set the video options to the indicated preset Audio options: -aframes number set the number of audio frames to output -aq quality set audio quality (codec-specific) -ar rate set audio sampling rate (in Hz) -ac channels set number of audio channels -an disable audio -acodec codec force audio codec ('copy' to copy stream) -vol volume change audio volume (256=normal) -af filter_graph set audio filters Advanced Audio options: -atag fourcc/tag force audio tag/fourcc -sample_fmt format set sample format -channel_layout layout set channel layout -guess_layout_max set the maximum number of channels to try to guess the channel layout -absf audio bitstream_filters deprecated -apre preset set the audio options to the indicated preset Subtitle options: -s size set frame size (WxH or abbreviation) -sn disable subtitle -scodec codec force subtitle codec ('copy' to copy stream) -stag fourcc/tag force subtitle tag/fourcc -fix_sub_duration fix subtitles duration -canvas_size size set canvas size (WxH or abbreviation) -spre preset set the subtitle options to the indicated preset AVCodecContext AVOptions: -b E..VA... set bitrate (in bits/s) (from 0 to INT_MAX) (default 200000) -ab E...A... set bitrate (in bits/s) (from 0 to INT_MAX) (default 128000) -bt E..V.... Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (from 1 to INT_MAX) (default 4e+006) -flags ED.VAS.. (default 0) unaligned .D.V.... allow decoders to produce unaligned output mv4 E..V.... use four motion vectors per macroblock (MPEG-4) qpel E..V.... use 1/4-pel motion compensation loop E..V.... use loop filter gmc E..V.... use gmc mv0 E..V.... always try a mb with mv=<0,0> gray ED.V.... only decode/encode grayscale psnr E..V.... error[?] variables will be set during encoding truncated .D.V.... Input bitstream might be randomly truncated naq E..V.... normalize adaptive quantization ildct E..V.... use interlaced DCT low_delay ED.V.... force low delay global_header E..VA... place global headers in extradata instead of every keyframe bitexact ED.VAS.. use only bitexact functions (except (I)DCT) aic E..V.... H.263 advanced intra coding / MPEG-4 AC prediction ilme E..V.... interlaced motion estimation cgop E..V.... closed GOP output_corrupt .D.V.... Output even potentially corrupted frames -me_method E..V.... set motion estimation method (from INT_MIN to INT_MAX) (default epzs) zero E..V.... zero motion estimation (fastest) full E..V.... full motion estimation (slowest) epzs E..V.... EPZS motion estimation esa E..V.... esa motion estimation (alias for full) tesa E..V.... tesa motion estimation dia E..V.... diamond motion estimation (alias for EPZS) log E..V.... log motion estimation phods E..V.... phods motion estimation x1 E..V.... X1 motion estimation hex E..V.... hex motion estimation umh E..V.... umh motion estimation iter E..V.... iter motion estimation -g E..V.... set the group of picture (GOP) size (from INT_MIN to INT_MAX) (default 12) -ar ED..A... set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0) -ac ED..A... set number of audio channels (from 0 to INT_MAX) (default 0) -cutoff E...A... set cutoff bandwidth (from INT_MIN to INT_MAX) (default 0) -frame_size E...A... (from INT_MIN to INT_MAX) (default 0) -qcomp E..V.... video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0 (from -FLT_MAX to FLT_MAX) (default 0.5) -qblur E..V.... video quantizer scale blur (VBR) (from -1 to FLT_MAX) (default 0.5) -qmin E..V.... minimum video quantizer scale (VBR) (from -1 to 69) (default 2) -qmax E..V.... maximum video quantizer scale (VBR) (from -1 to 1024) (default 31) -qdiff E..V.... maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3) -bf E..V.... set maximum number of B frames between non-B-frames (from -1 to INT_MAX) (default 0) -b_qfactor E..V.... QP factor between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25) -rc_strategy E..V.... ratecontrol method (from INT_MIN to INT_MAX) (default 0) -b_strategy E..V.... strategy to choose between I/P/B-frames (from INT_MIN to INT_MAX) (default 0) -ps E..V.... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0) -bug .D.V.... work around not autodetected encoder bugs (default autodetect) autodetect .D.V.... old_msmpeg4 .D.V.... some old lavc-generated MSMPEG4v3 files (no autodetection) xvid_ilace .D.V.... Xvid interlacing bug (autodetected if FOURCC == XVIX) ump4 .D.V.... (autodetected if FOURCC == UMP4) no_padding .D.V.... padding bug (autodetected) amv .D.V.... ac_vlc .D.V.... illegal VLC bug (autodetected per FOURCC) qpel_chroma .D.V.... std_qpel .D.V.... old standard qpel (autodetected per FOURCC/version) qpel_chroma2 .D.V.... direct_blocksize .D.V.... direct-qpel-blocksize bug (autodetected per FOURCC/version) edge .D.V.... edge padding bug (autodetected per FOURCC/version) hpel_chroma .D.V.... dc_clip .D.V.... ms .D.V.... work around various bugs in Microsoft's broken decoders trunc .D.V.... truncated frames -strict ED.VA... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal) very ED.V.... strictly conform to a older more strict version of the spec or reference software strict ED.V.... strictly conform to all the things in the spec no matter what the consequences normal ED.V.... unofficial ED.V.... allow unofficial extensions experimental ED.V.... allow non-standardized experimental things -b_qoffset E..V.... QP offset between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25) -err_detect .D.VA... set error detection flags (default 0) crccheck .D.VA... verify embedded CRCs bitstream .D.VA... detect bitstream specification deviations buffer .D.VA... detect improper bitstream length explode .D.VA... abort decoding on minor error detection ignore_err .D.VA... ignore errors careful .D.VA... consider things that violate the spec, are fast to check and have not been seen in the wild as errors compliant .D.VA... consider all spec non compliancies as errors aggressive .D.VA... consider things that a sane encoder should not do as an error -mpeg_quant E..V.... use MPEG quantizers instead of H.263 (from INT_MIN to INT_MAX) (default 0) -qsquish E..V.... deprecated, use encoder private options instead (from 0 to 99) (default 0) -rc_qmod_amp E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... deprecated, use encoder private options instead (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... deprecated, use encoder private options instead -maxrate E..VA... maximum bitrate (in bits/s). Used for VBV together with bufsize. (from 0 to INT_MAX) (default 0) -minrate E..VA... minimum bitrate (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX) (default 0) -bufsize E..VA... set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default 0) -rc_buf_aggressivity E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 1) -i_qfactor E..V.... QP factor between P- and I-frames (from -FLT_MAX to FLT_MAX) (default -0.8) -i_qoffset E..V.... QP offset between P- and I-frames (from -FLT_MAX to FLT_MAX) (default 0) -rc_init_cplx E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0) -dct E..V.... DCT algorithm (from 0 to INT_MAX) (default auto) auto E..V.... autoselect a good one fastint E..V.... fast integer int E..V.... accurate integer mmx E..V.... altivec E..V.... faan E..V.... floating point AAN DCT -lumi_mask E..V.... compresses bright areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0) -tcplx_mask E..V.... temporal complexity masking (from -FLT_MAX to FLT_MAX) (default 0) -scplx_mask E..V.... spatial complexity masking (from -FLT_MAX to FLT_MAX) (default 0) -p_mask E..V.... inter masking (from -FLT_MAX to FLT_MAX) (default 0) -dark_mask E..V.... compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0) -idct ED.V.... select IDCT implementation (from 0 to INT_MAX) (default auto) auto ED.V.... int ED.V.... simple ED.V.... simplemmx ED.V.... arm ED.V.... altivec ED.V.... sh4 ED.V.... simplearm ED.V.... simplearmv5te ED.V.... simplearmv6 ED.V.... simpleneon ED.V.... simplealpha ED.V.... ipp ED.V.... xvid ED.V.... xvidmmx ED.V.... deprecated, for compatibility only faani ED.V.... floating point AAN IDCT simpleauto ED.V.... -ec .D.V.... set error concealment strategy (default guess_mvs+deblock) guess_mvs .D.V.... iterative motion vector (MV) search (slow) deblock .D.V.... use strong deblock filter for damaged MBs favor_inter .D.V.... favor predicting from the previous frame -pred E..V.... prediction method (from INT_MIN to INT_MAX) (default left) left E..V.... plane E..V.... median E..V.... -aspect E..V.... sample aspect ratio (from 0 to 10) (default 0/1) -debug ED.VAS.. print specific debug info (default 0) pict .D.V.... picture info rc E..V.... rate control bitstream .D.V.... mb_type .D.V.... macroblock (MB) type qp .D.V.... per-block quantization parameter (QP) mv .D.V.... motion vector dct_coeff .D.V.... green_metadata .D.V.... skip .D.V.... startcode .D.V.... pts .D.V.... er .D.V.... error recognition mmco .D.V.... memory management control operations (H.264) bugs .D.V.... vis_qp .D.V.... visualize quantization parameter (QP), lower QP are tinted greener vis_mb_type .D.V.... visualize block types buffers .D.V.... picture buffer allocations thread_ops .D.VA... threading operations nomc .D.VA... skip motion compensation -vismv .D.V.... visualize motion vectors (MVs) (deprecated) (default 0) pf .D.V.... forward predicted MVs of P-frames bf .D.V.... forward predicted MVs of B-frames bb .D.V.... backward predicted MVs of B-frames -cmp E..V.... full-pel ME compare function (from INT_MIN to INT_MAX) (default sad) sad E..V.... sum of absolute differences, fast sse E..V.... sum of squared errors satd E..V.... sum of absolute Hadamard transformed differences dct E..V.... sum of absolute DCT transformed differences psnr E..V.... sum of squared quantization errors (avoid, low quality) bit E..V.... number of bits needed for the block rd E..V.... rate distortion optimal, slow zero E..V.... 0 vsad E..V.... sum of absolute vertical differences vsse E..V.... sum of squared vertical differences nsse E..V.... noise preserving sum of squared differences w53 E..V.... 5/3 wavelet, only used in snow w97 E..V.... 9/7 wavelet, only used in snow dctmax E..V.... chroma E..V.... -subcmp E..V.... sub-pel ME compare function (from INT_MIN to INT_MAX) (default sad) sad E..V.... sum of absolute differences, fast sse E..V.... sum of squared errors satd E..V.... sum of absolute Hadamard transformed differences dct E..V.... sum of absolute DCT transformed differences psnr E..V.... sum of squared quantization errors (avoid, low quality) bit E..V.... number of bits needed for the block rd E..V.... rate distortion optimal, slow zero E..V.... 0 vsad E..V.... sum of absolute vertical differences vsse E..V.... sum of squared vertical differences nsse E..V.... noise preserving sum of squared differences w53 E..V.... 5/3 wavelet, only used in snow w97 E..V.... 9/7 wavelet, only used in snow dctmax E..V.... chroma E..V.... -mbcmp E..V.... macroblock compare function (from INT_MIN to INT_MAX) (default sad) sad E..V.... sum of absolute differences, fast sse E..V.... sum of squared errors satd E..V.... sum of absolute Hadamard transformed differences dct E..V.... sum of absolute DCT transformed differences psnr E..V.... sum of squared quantization errors (avoid, low quality) bit E..V.... number of bits needed for the block rd E..V.... rate distortion optimal, slow zero E..V.... 0 vsad E..V.... sum of absolute vertical differences vsse E..V.... sum of squared vertical differences nsse E..V.... noise preserving sum of squared differences w53 E..V.... 5/3 wavelet, only used in snow w97 E..V.... 9/7 wavelet, only used in snow dctmax E..V.... chroma E..V.... -ildctcmp E..V.... interlaced DCT compare function (from INT_MIN to INT_MAX) (default vsad) sad E..V.... sum of absolute differences, fast sse E..V.... sum of squared errors satd E..V.... sum of absolute Hadamard transformed differences dct E..V.... sum of absolute DCT transformed differences psnr E..V.... sum of squared quantization errors (avoid, low quality) bit E..V.... number of bits needed for the block rd E..V.... rate distortion optimal, slow zero E..V.... 0 vsad E..V.... sum of absolute vertical differences vsse E..V.... sum of squared vertical differences nsse E..V.... noise preserving sum of squared differences w53 E..V.... 5/3 wavelet, only used in snow w97 E..V.... 9/7 wavelet, only used in snow dctmax E..V.... chroma E..V.... -dia_size E..V.... diamond type & size for motion estimation (from INT_MIN to INT_MAX) (default 0) -last_pred E..V.... amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default 0) -preme E..V.... pre motion estimation (from INT_MIN to INT_MAX) (default 0) -precmp E..V.... pre motion estimation compare function (from INT_MIN to INT_MAX) (default sad) sad E..V.... sum of absolute differences, fast sse E..V.... sum of squared errors satd E..V.... sum of absolute Hadamard transformed differences dct E..V.... sum of absolute DCT transformed differences psnr E..V.... sum of squared quantization errors (avoid, low quality) bit E..V.... number of bits needed for the block rd E..V.... rate distortion optimal, slow zero E..V.... 0 vsad E..V.... sum of absolute vertical differences vsse E..V.... sum of squared vertical differences nsse E..V.... noise preserving sum of squared differences w53 E..V.... 5/3 wavelet, only used in snow w97 E..V.... 9/7 wavelet, only used in snow dctmax E..V.... chroma E..V.... -pre_dia_size E..V.... diamond type & size for motion estimation pre-pass (from INT_MIN to INT_MAX) (default 0) -subq E..V.... sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default 8) -me_range E..V.... limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX) (default 0) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -global_quality E..VA... (from INT_MIN to INT_MAX) (default 0) -coder E..V.... (from INT_MIN to INT_MAX) (default vlc) vlc E..V.... variable length coder / Huffman coder ac E..V.... arithmetic coder raw E..V.... raw (no encoding) rle E..V.... run-length coder deflate E..V.... deflate-based coder -context E..V.... context model (from INT_MIN to INT_MAX) (default 0) -mbd E..V.... macroblock decision algorithm (high quality mode) (from 0 to 2) (default simple) simple E..V.... use mbcmp bits E..V.... use fewest bits rd E..V.... use best rate distortion -sc_threshold E..V.... scene change threshold (from INT_MIN to INT_MAX) (default 0) -lmin E..V.... deprecated, use encoder private options instead (from 0 to INT_MAX) (default 0) -lmax E..V.... deprecated, use encoder private options instead (from 0 to INT_MAX) (default 0) -nr E..V.... noise reduction (from INT_MIN to INT_MAX) (default 0) -rc_init_occupancy E..V.... number of bits which should be loaded into the rc buffer before decoding starts (from INT_MIN to INT_MAX) (default 0) -flags2 ED.VA... (default 0) fast E..V.... allow non-spec-compliant speedup tricks noout E..V.... skip bitstream encoding ignorecrop .D.V.... ignore cropping information from sps local_header E..V.... place global headers at every keyframe instead of in extradata chunks .D.V.... Frame data might be split into multiple chunks showall .D.V.... Show all frames before the first keyframe export_mvs .D.V.... export motion vectors through frame side data skip_manual .D.V.... do not skip samples and export skip information as frame side data -error E..V.... (from INT_MIN to INT_MAX) (default 0) -threads ED.VA... set the number of threads (from 0 to INT_MAX) (default 1) auto ED.V.... autodetect a suitable number of threads to use -me_threshold E..V.... motion estimation threshold (from INT_MIN to INT_MAX) (default 0) -mb_threshold E..V.... macroblock threshold (from INT_MIN to INT_MAX) (default 0) -dc E..V.... intra_dc_precision (from -8 to 16) (default 0) -nssew E..V.... nsse weight (from INT_MIN to INT_MAX) (default 8) -skip_top .D.V.... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0) -skip_bottom .D.V.... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0) -profile E..VA... (from INT_MIN to INT_MAX) (default unknown) unknown E..VA... aac_main E...A... aac_low E...A... aac_ssr E...A... aac_ltp E...A... aac_he E...A... aac_he_v2 E...A... aac_ld E...A... aac_eld E...A... mpeg2_aac_low E...A... mpeg2_aac_he E...A... dts E...A... dts_es E...A... dts_96_24 E...A... dts_hd_hra E...A... dts_hd_ma E...A... mpeg4_sp E..V.... mpeg4_core E..V.... mpeg4_main E..V.... mpeg4_asp E..V.... -level E..VA... (from INT_MIN to INT_MAX) (default unknown) unknown E..VA... -lowres .D.VA... decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0) -skip_threshold E..V.... frame skip threshold (from INT_MIN to INT_MAX) (default 0) -skip_factor E..V.... frame skip factor (from INT_MIN to INT_MAX) (default 0) -skip_exp E..V.... frame skip exponent (from INT_MIN to INT_MAX) (default 0) -skipcmp E..V.... frame skip compare function (from INT_MIN to INT_MAX) (default dctmax) sad E..V.... sum of absolute differences, fast sse E..V.... sum of squared errors satd E..V.... sum of absolute Hadamard transformed differences dct E..V.... sum of absolute DCT transformed differences psnr E..V.... sum of squared quantization errors (avoid, low quality) bit E..V.... number of bits needed for the block rd E..V.... rate distortion optimal, slow zero E..V.... 0 vsad E..V.... sum of absolute vertical differences vsse E..V.... sum of squared vertical differences nsse E..V.... noise preserving sum of squared differences w53 E..V.... 5/3 wavelet, only used in snow w97 E..V.... 9/7 wavelet, only used in snow dctmax E..V.... chroma E..V.... -border_mask E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0) -mblmin E..V.... minimum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 236) -mblmax E..V.... maximum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 3658) -mepc E..V.... motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256) -skip_loop_filter .D.V.... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default default) none .D.V.... discard no frame default .D.V.... discard useless frames noref .D.V.... discard all non-reference frames bidir .D.V.... discard all bidirectional frames nokey .D.V.... discard all frames except keyframes nointra .D.V.... discard all frames except I frames all .D.V.... discard all frames -skip_idct .D.V.... skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default default) none .D.V.... discard no frame default .D.V.... discard useless frames noref .D.V.... discard all non-reference frames bidir .D.V.... discard all bidirectional frames nokey .D.V.... discard all frames except keyframes nointra .D.V.... discard all frames except I frames all .D.V.... discard all frames -skip_frame .D.V.... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default default) none .D.V.... discard no frame default .D.V.... discard useless frames noref .D.V.... discard all non-reference frames bidir .D.V.... discard all bidirectional frames nokey .D.V.... discard all frames except keyframes nointra .D.V.... discard all frames except I frames all .D.V.... discard all frames -bidir_refine E..V.... refine the two motion vectors used in bidirectional macroblocks (from 0 to 4) (default 1) -brd_scale E..V.... downscale frames for dynamic B-frame decision (from 0 to 10) (default 0) -keyint_min E..V.... minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default 25) -refs E..V.... reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default 1) -chromaoffset E..V.... chroma QP offset from luma (from INT_MIN to INT_MAX) (default 0) -trellis E..VA... rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default 0) -sc_factor E..V.... multiplied by qscale for each frame and added to scene_change_score (from 0 to INT_MAX) (default 6) -mv0_threshold E..V.... (from 0 to INT_MAX) (default 256) -b_sensitivity E..V.... adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40) -compression_level E..VA... (from INT_MIN to INT_MAX) (default -1) -min_prediction_order E...A... (from INT_MIN to INT_MAX) (default -1) -max_prediction_order E...A... (from INT_MIN to INT_MAX) (default -1) -timecode_frame_start E..V.... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1) -channel_layout ED..A... (from 0 to I64_MAX) (default 0) -request_channel_layout .D..A... (from 0 to I64_MAX) (default 0) -rc_max_vbv_use E..V.... (from 0 to FLT_MAX) (default 0) -rc_min_vbv_use E..V.... (from 0 to FLT_MAX) (default 3) -ticks_per_frame ED.VA... (from 1 to INT_MAX) (default 1) -color_primaries ED.V.... color primaries (from 1 to 10) (default unspecified) bt709 ED.V.... BT.709 unspecified ED.V.... Unspecified bt470m ED.V.... BT.470 M bt470bg ED.V.... BT.470 BG smpte170m ED.V.... SMPTE 170 M smpte240m ED.V.... SMPTE 240 M film ED.V.... Film bt2020 ED.V.... BT.2020 smpte428_1 ED.V.... SMPTE ST 428-1 -color_trc ED.V.... color transfer characteristics (from 1 to 17) (default unspecified) bt709 ED.V.... BT.709 unspecified ED.V.... Unspecified gamma22 ED.V.... BT.470 M gamma28 ED.V.... BT.470 BG smpte170m ED.V.... SMPTE 170 M smpte240m ED.V.... SMPTE 240 M linear ED.V.... Linear log ED.V.... Log log_sqrt ED.V.... Log square root iec61966_2_4 ED.V.... IEC 61966-2-4 bt1361 ED.V.... BT.1361 iec61966_2_1 ED.V.... IEC 61966-2-1 bt2020_10bit ED.V.... BT.2020 - 10 bit bt2020_12bit ED.V.... BT.2020 - 12 bit smpte2084 ED.V.... SMPTE ST 2084 smpte428_1 ED.V.... SMPTE ST 428-1 -colorspace ED.V.... color space (from 0 to 10) (default unspecified) rgb ED.V.... RGB bt709 ED.V.... BT.709 unspecified ED.V.... Unspecified fcc ED.V.... FCC bt470bg ED.V.... BT.470 BG smpte170m ED.V.... SMPTE 170 M smpte240m ED.V.... SMPTE 240 M ycocg ED.V.... YCOCG bt2020_ncl ED.V.... BT.2020 NCL bt2020_cl ED.V.... BT.2020 CL -color_range ED.V.... color range (from 0 to 2) (default unspecified) unspecified ED.V.... Unspecified mpeg ED.V.... MPEG (219*2^(n-8)) jpeg ED.V.... JPEG (2^n-1) -chroma_sample_location ED.V.... chroma sample location (from 0 to 6) (default unspecified) unspecified ED.V.... Unspecified left ED.V.... Left center ED.V.... Center topleft ED.V.... Top-left top ED.V.... Top bottomleft ED.V.... Bottom-left bottom ED.V.... Bottom -slices E..V.... set the number of slices, used in parallelized encoding (from 0 to INT_MAX) (default 0) -thread_type ED.VA... select multithreading type (default slice+frame) slice ED.V.... frame ED.V.... -audio_service_type E...A... audio service type (from 0 to 8) (default ma) ma E...A... Main Audio Service ef E...A... Effects vi E...A... Visually Impaired hi E...A... Hearing Impaired di E...A... Dialogue co E...A... Commentary em E...A... Emergency vo E...A... Voice Over ka E...A... Karaoke -request_sample_fmt .D..A... sample format audio decoders should prefer (default none) -sub_charenc .D...S.. set input text subtitles character encoding -sub_charenc_mode .D...S.. set input text subtitles character encoding mode (default 0) do_nothing .D...S.. auto .D...S.. pre_decoder .D...S.. -refcounted_frames .D.VA... (default false) -side_data_only_packets E..VA... (default true) -skip_alpha .D.V.... Skip processing alpha (default false) -field_order ED.V.... Field order (from 0 to 5) (default 0) progressive ED.V.... tt ED.V.... bb ED.V.... tb ED.V.... bt ED.V.... -dump_separator ED.VAS.. set information dump field separator -codec_whitelist .D.VAS.. List of decoders that are allowed to be used amv encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) APNG encoder AVOptions: -dpi E..V.... Set image resolution (in dots per inch) (from 0 to 65536) (default 0) -dpm E..V.... Set image resolution (in dots per meter) (from 0 to 65536) (default 0) cinepak AVOptions: -max_extra_cb_iterations E..V.... Max extra codebook recalculation passes, more is better and slower (from 0 to INT_MAX) (default 2) -skip_empty_cb E..V.... Avoid wasting bytes, ignore vintage MacOS decoder (from 0 to 1) (default 0) -max_strips E..V.... Limit strips/frame, vintage compatible is 1..3, otherwise the more the better (from 1 to 32) (default 3) -min_strips E..V.... Enforce min strips/frame, more is worse and faster, must be <= max_strips (from 1 to 32) (default 1) -strip_number_adaptivity E..V.... How fast the strip number adapts, more is slightly better, much slower (from 0 to 31) (default 0) cljr encoder AVOptions: -dither_type E..V.... Dither type (from 0 to 2) (default 1) dnxhd AVOptions: -nitris_compat E..V.... encode with Avid Nitris compatibility (from 0 to 1) (default 0) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 0) EXR AVOptions: -layer .D.V.... Set the decoding layer (default "") -gamma .D.V.... Set the float gamma value when decoding (from 0.001 to FLT_MAX) (default 1) -apply_trc .D.V.... color transfer characteristics to apply to EXR linear input (from 1 to 17) (default gamma) bt709 .D.V.... BT.709 gamma .D.V.... gamma gamma22 .D.V.... BT.470 M gamma28 .D.V.... BT.470 BG smpte170m .D.V.... SMPTE 170 M smpte240m .D.V.... SMPTE 240 M linear .D.V.... Linear log .D.V.... Log log_sqrt .D.V.... Log square root iec61966_2_4 .D.V.... IEC 61966-2-4 bt1361 .D.V.... BT.1361 iec61966_2_1 .D.V.... IEC 61966-2-1 bt2020_10bit .D.V.... BT.2020 - 10 bit bt2020_12bit .D.V.... BT.2020 - 12 bit smpte2084 .D.V.... SMPTE ST 2084 smpte428_1 .D.V.... SMPTE ST 428-1 ffv1 encoder AVOptions: -slicecrc E..V.... Protect slices with CRCs (from -1 to 1) (default -1) ffvhuff AVOptions: -non_deterministic E..V.... Allow multithreading for e.g. context=1 at the expense of determinism (default true) FIC encoder AVOptions: -skip_cursor .D.V.... skip the cursor (from 0 to 1) (default 0) flv encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) frwu Decoder AVOptions: -change_field_order .D.V.... Change field order (from 0 to 1) (default 0) GIF encoder AVOptions: -gifflags E..V.... set GIF flags (default offsetting+transdiff) offsetting E..V.... enable picture offsetting transdiff E..V.... enable transparency detection between frames gif decoder AVOptions: -trans_color .D.V.... color value (ARGB) that is used instead of transparent color (from 0 to UINT32_MAX) (default 1.67772e+007) h261 encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) H.263 encoder AVOptions: -obmc E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0) -structured_slices E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0) -mb_info E..V.... emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size (from 0 to INT_MAX) (default 0) -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) H.263p encoder AVOptions: -umv E..V.... Use unlimited motion vectors. (from 0 to 1) (default 0) -aiv E..V.... Use alternative inter VLC. (from 0 to 1) (default 0) -obmc E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0) -structured_slices E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0) -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) H264 Decoder AVOptions: -enable_er .D.V.... Enable error resilience on damaged frames (unsafe) (from -1 to 1) (default -1) HEVC decoder AVOptions: -apply_defdispwin .D.V.... Apply default display window from VUI (from 0 to 1) (default 0) -strict-displaywin .D.V.... stricly apply default display window size (from 0 to 1) (default 0) huffyuv AVOptions: -non_deterministic E..V.... Allow multithreading for e.g. context=1 at the expense of determinism (default true) jpeg 2000 encoder AVOptions: -format E..V.... Codec Format (from 0 to 1) (default jp2) j2k E..V.... jp2 E..V.... -tile_width E..V.... Tile Width (from 1 to 1.07374e+009) (default 256) -tile_height E..V.... Tile Height (from 1 to 1.07374e+009) (default 256) jpeg2000 AVOptions: -lowres .D.V.... Lower the decoding resolution by a power of two (from 0 to 33) (default 0) mjpeg encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) MJPEG decoder AVOptions: -extern_huff .D.V.... Use external huffman table. (from 0 to 1) (default 0) mpeg1video encoder AVOptions: -gop_timecode E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format -intra_vlc E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0) -drop_frame_timecode E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0) -scan_offset E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0) -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) mpeg2video encoder AVOptions: -gop_timecode E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format -intra_vlc E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0) -drop_frame_timecode E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0) -scan_offset E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0) -non_linear_quant E..V.... Use nonlinear quantizer. (from 0 to 1) (default 0) -alternate_scan E..V.... Enable alternate scantable. (from 0 to 1) (default 0) -seq_disp_ext E..V.... Write sequence_display_extension blocks. (from -1 to 1) (default auto) auto E..V.... never E..V.... always E..V.... -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) MPEG4 encoder AVOptions: -data_partitioning E..V.... Use data partitioning. (from 0 to 1) (default 0) -alternate_scan E..V.... Enable alternate scantable. (from 0 to 1) (default 0) -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) MPEG4 Video Decoder AVOptions: msmpeg4v2 encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) msmpeg4v3 encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) PNG encoder AVOptions: -dpi E..V.... Set image resolution (in dots per inch) (from 0 to 65536) (default 0) -dpm E..V.... Set image resolution (in dots per meter) (from 0 to 65536) (default 0) ProRes encoder AVOptions: -mbs_per_slice E..V.... macroblocks per slice (from 1 to 8) (default 8) -profile E..V.... (from -1 to 4) (default auto) auto E..V.... proxy E..V.... lt E..V.... standard E..V.... hq E..V.... 4444 E..V.... -vendor E..V.... vendor ID (default "Lavc") -bits_per_mb E..V.... desired bits per macroblock (from 0 to 8192) (default 0) -quant_mat E..V.... quantiser matrix (from -1 to 4) (default auto) auto E..V.... proxy E..V.... lt E..V.... standard E..V.... hq E..V.... default E..V.... -alpha_bits E..V.... bits for alpha plane (from 0 to 16) (default 16) rawdec AVOptions: -top .D.V.... top field first (from -1 to 1) (default -1) RoQ AVOptions: -quake3_compat E..V.... Whether to respect known limitations in Quake 3 decoder (default true) rv10 encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) rv20 encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) SMPTE 302M Decoder AVOptions: -non_pcm_mode .D.V.... Chooses what to do with NON-PCM (from 0 to 3) (default decode_drop) copy .D.V.... Pass NON-PCM through unchanged drop .D.V.... Drop NON-PCM decode_copy .D.V.... Decode if possible else passthrough decode_drop .D.V.... Decode if possible else drop snow encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... iter E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) -memc_only E..V.... Only do ME/MC (I frames -> ref, P frame -> ME+MC). (from 0 to 1) (default 0) -no_bitstream E..V.... Skip final bitstream writeout. (from 0 to 1) (default 0) -intra_penalty E..V.... Penalty for intra blocks in block decission (from 0 to INT_MAX) (default 0) -iterative_dia_size E..V.... Dia size for the iterative ME (from 0 to INT_MAX) (default 0) svq1enc AVOptions: -motion-est E..V.... Motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... TIFF encoder AVOptions: -dpi E..V.... set the image resolution (in dpi) (from 1 to 65536) (default 72) -compression_algo E..V.... (from 1 to 32946) (default packbits) packbits E..V.... raw E..V.... lzw E..V.... deflate E..V.... V210 Decoder AVOptions: -custom_stride .D.V.... Custom V210 stride (from INT_MIN to INT_MAX) (default 0) wmv1 encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) wmv2 encoder AVOptions: -mpv_flags E..V.... Flags common for all mpegvideo-based encoders. (default 0) skip_rd E..V.... RD optimal MB level residual skipping strict_gop E..V.... Strictly enforce gop size qp_rd E..V.... Use rate distortion optimization for qp selection cbp_rd E..V.... use rate distortion optimization for CBP naq E..V.... normalize adaptive quantization mv0 E..V.... always try a mb with mv=<0,0> -luma_elim_threshold E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -chroma_elim_threshold E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0) -quantizer_noise_shaping E..V.... (from 0 to INT_MAX) (default 0) -error_rate E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) -qsquish E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0) -rc_qmod_amp E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex. -rc_init_cplx E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -rc_buf_aggressivity E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -border_mask E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -lmin E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -ibias E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -rc_strategy E..V.... ratecontrol method (from 0 to 1) (default 0) -motion_est E..V.... motion estimation algorithm (from 0 to 2) (default epzs) zero E..V.... epzs E..V.... xone E..V.... -force_duplicated_matrix E..V.... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false) AAC encoder AVOptions: -aac_coder E...A... Coding algorithm (from -1 to 3) (default twoloop) faac E...A... FAAC-inspired method anmr E...A... ANMR method twoloop E...A... Two loop searching method fast E...A... Constant quantizer -aac_ms E...A... Force M/S stereo coding (default auto) -aac_is E...A... Intensity stereo coding (default true) -aac_pns E...A... Perceptual noise substitution (default true) -aac_tns E...A... Temporal noise shaping (default true) -aac_ltp E...A... Long term prediction (default false) -aac_pred E...A... AAC-Main prediction (default false) AAC decoder AVOptions: -dual_mono_mode .D..A... Select the channel to decode for dual mono (from -1 to 2) (default auto) auto .D..A... autoselection main .D..A... Select Main/Left channel sub .D..A... Select Sub/Right channel both .D..A... Select both channels AC-3 Encoder AVOptions: -per_frame_metadata E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0) -center_mixlev E...A... Center Mix Level (from 0 to 1) (default 0.594604) -surround_mixlev E...A... Surround Mix Level (from 0 to 1) (default 0.5) -mixing_level E...A... Mixing Level (from -1 to 111) (default -1) -room_type E...A... Room Type (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) large E...A... Large Room small E...A... Small Room -copyright E...A... Copyright Bit (from -1 to 1) (default -1) -dialnorm E...A... Dialogue Level (dB) (from -31 to -1) (default -31) -dsur_mode E...A... Dolby Surround Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround Encoded off E...A... Not Dolby Surround Encoded -original E...A... Original Bit Stream (from -1 to 1) (default -1) -dmix_mode E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1) notindicated E...A... Not Indicated (default) ltrt E...A... Lt/Rt Downmix Preferred loro E...A... Lo/Ro Downmix Preferred dplii E...A... Dolby Pro Logic II Downmix Preferred -ltrt_cmixlev E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1) -ltrt_surmixlev E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1) -loro_cmixlev E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1) -loro_surmixlev E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1) -dsurex_mode E...A... Dolby Surround EX Mode (from -1 to 3) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround EX Encoded off E...A... Not Dolby Surround EX Encoded dpliiz E...A... Dolby Pro Logic IIz-encoded -dheadphone_mode E...A... Dolby Headphone Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Headphone Encoded off E...A... Not Dolby Headphone Encoded -ad_conv_type E...A... A/D Converter Type (from -1 to 1) (default -1) standard E...A... Standard (default) hdcd E...A... HDCD -stereo_rematrixing E...A... Stereo Rematrixing (from 0 to 1) (default 1) -channel_coupling E...A... Channel Coupling (from -1 to 1) (default auto) auto E...A... Selected by the Encoder -cpl_start_band E...A... Coupling Start Band (from -1 to 15) (default auto) auto E...A... Selected by the Encoder AC3 decoder AVOptions: -drc_scale .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1) -heavy_compr .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0) -target_level .D..A... target level in -dBFS (0 not applied) (from -31 to 0) (default 0) Fixed-Point AC-3 Encoder AVOptions: -per_frame_metadata E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0) -center_mixlev E...A... Center Mix Level (from 0 to 1) (default 0.594604) -surround_mixlev E...A... Surround Mix Level (from 0 to 1) (default 0.5) -mixing_level E...A... Mixing Level (from -1 to 111) (default -1) -room_type E...A... Room Type (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) large E...A... Large Room small E...A... Small Room -copyright E...A... Copyright Bit (from -1 to 1) (default -1) -dialnorm E...A... Dialogue Level (dB) (from -31 to -1) (default -31) -dsur_mode E...A... Dolby Surround Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround Encoded off E...A... Not Dolby Surround Encoded -original E...A... Original Bit Stream (from -1 to 1) (default -1) -dmix_mode E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1) notindicated E...A... Not Indicated (default) ltrt E...A... Lt/Rt Downmix Preferred loro E...A... Lo/Ro Downmix Preferred dplii E...A... Dolby Pro Logic II Downmix Preferred -ltrt_cmixlev E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1) -ltrt_surmixlev E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1) -loro_cmixlev E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1) -loro_surmixlev E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1) -dsurex_mode E...A... Dolby Surround EX Mode (from -1 to 3) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround EX Encoded off E...A... Not Dolby Surround EX Encoded dpliiz E...A... Dolby Pro Logic IIz-encoded -dheadphone_mode E...A... Dolby Headphone Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Headphone Encoded off E...A... Not Dolby Headphone Encoded -ad_conv_type E...A... A/D Converter Type (from -1 to 1) (default -1) standard E...A... Standard (default) hdcd E...A... HDCD -stereo_rematrixing E...A... Stereo Rematrixing (from 0 to 1) (default 1) -channel_coupling E...A... Channel Coupling (from -1 to 1) (default auto) auto E...A... Selected by the Encoder -cpl_start_band E...A... Coupling Start Band (from -1 to 15) (default auto) auto E...A... Selected by the Encoder Fixed-Point AC-3 Decoder AVOptions: -drc_scale .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1) -heavy_compr .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0) alac AVOptions: -extra_bits_bug .D..A... Force non-standard decoding process (from 0 to 1) (default 0) APE decoder AVOptions: -max_samples .D..A... maximum number of samples decoded per call (from 1 to INT_MAX) (default 4608) all .D..A... no maximum. decode all samples for each packet at once DCA decoder AVOptions: -disable_xch .D..A... disable decoding of the XCh extension (from 0 to 1) (default 0) -disable_xll .D..A... disable decoding of the XLL extension (from 0 to 1) (default 1) E-AC-3 Encoder AVOptions: -per_frame_metadata E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0) -mixing_level E...A... Mixing Level (from -1 to 111) (default -1) -room_type E...A... Room Type (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) large E...A... Large Room small E...A... Small Room -copyright E...A... Copyright Bit (from -1 to 1) (default -1) -dialnorm E...A... Dialogue Level (dB) (from -31 to -1) (default -31) -dsur_mode E...A... Dolby Surround Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround Encoded off E...A... Not Dolby Surround Encoded -original E...A... Original Bit Stream (from -1 to 1) (default -1) -dmix_mode E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1) notindicated E...A... Not Indicated (default) ltrt E...A... Lt/Rt Downmix Preferred loro E...A... Lo/Ro Downmix Preferred dplii E...A... Dolby Pro Logic II Downmix Preferred -ltrt_cmixlev E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1) -ltrt_surmixlev E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1) -loro_cmixlev E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1) -loro_surmixlev E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1) -dsurex_mode E...A... Dolby Surround EX Mode (from -1 to 3) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround EX Encoded off E...A... Not Dolby Surround EX Encoded dpliiz E...A... Dolby Pro Logic IIz-encoded -dheadphone_mode E...A... Dolby Headphone Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Headphone Encoded off E...A... Not Dolby Headphone Encoded -ad_conv_type E...A... A/D Converter Type (from -1 to 1) (default -1) standard E...A... Standard (default) hdcd E...A... HDCD -stereo_rematrixing E...A... Stereo Rematrixing (from 0 to 1) (default 1) -channel_coupling E...A... Channel Coupling (from -1 to 1) (default auto) auto E...A... Selected by the Encoder -cpl_start_band E...A... Coupling Start Band (from -1 to 15) (default auto) auto E...A... Selected by the Encoder E-AC3 decoder AVOptions: -drc_scale .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1) -heavy_compr .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0) -target_level .D..A... target level in -dBFS (0 not applied) (from -31 to 0) (default 0) evrc AVOptions: -postfilter .D..A... enable postfilter (from 0 to 1) (default 1) FLAC encoder AVOptions: -lpc_coeff_precision E...A... LPC coefficient precision (from 0 to 15) (default 15) -lpc_type E...A... LPC algorithm (from -1 to 3) (default -1) none E...A... fixed E...A... levinson E...A... cholesky E...A... -lpc_passes E...A... Number of passes to use for Cholesky factorization during LPC analysis (from 1 to INT_MAX) (default 2) -min_partition_order E...A... (from -1 to 8) (default -1) -max_partition_order E...A... (from -1 to 8) (default -1) -prediction_order_method E...A... Search method for selecting prediction order (from -1 to 5) (default -1) estimation E...A... 2level E...A... 4level E...A... 8level E...A... search E...A... log E...A... -ch_mode E...A... Stereo decorrelation mode (from -1 to 3) (default auto) auto E...A... indep E...A... left_side E...A... right_side E...A... mid_side E...A... -exact_rice_parameters E...A... Calculate rice parameters exactly (from 0 to 1) (default 0) -multi_dim_quant E...A... Multi-dimensional quantization (from 0 to 1) (default 0) FLAC decoder AVOptions: -use_buggy_lpc .D..A... emulate old buggy lavc behavior (from 0 to 1) (default 0) G.723.1 decoder AVOptions: -postfilter .D..A... postfilter on/off (from 0 to 1) (default 1) TTA Decoder AVOptions: -password .D..A... Set decoding password WavPack encoder AVOptions: -joint_stereo E...A... (default auto) -optimize_mono E...A... (default false) g722 decoder AVOptions: -bits_per_codeword .D..A... Bits per G722 codeword (from 6 to 8) (default 8) g726 AVOptions: -code_size E...A... Bits per code (from 2 to 5) (default 4) Closed caption Decoder AVOptions: DVB Sub Decoder AVOptions: -compute_edt .D...S.. compute end of time using pts or timeout (from 0 to 1) (default 0) -compute_clut .D...S.. compute clut when not available(-1) or always(1) or never(0) (from -1 to 1) (default -1) -dvb_substream .D...S.. (from -1 to 63) (default -1) VOBSUB subtitle encoder AVOptions: -even_rows_fix E....S.. Make number of rows even (workaround for some players) (from 0 to 1) (default 0) dvdsubdec AVOptions: -palette .D...S.. set the global palette -ifo_palette .D...S.. obtain the global palette from .IFO file -forced_subs_only .D...S.. Only show forced subtitles (from 0 to 1) (default 0) PGS subtitle decoder AVOptions: -forced_subs_only .D...S.. Only show forced subtitles (default false) pjs decoder AVOptions: -keep_ass_markup .D...S.. Set if ASS tags must be escaped (default false) stl decoder AVOptions: -keep_ass_markup .D...S.. Set if ASS tags must be escaped (default false) subviewer1 decoder AVOptions: -keep_ass_markup .D...S.. Set if ASS tags must be escaped (default false) text decoder AVOptions: -keep_ass_markup .D...S.. Set if ASS tags must be escaped (default false) vplayer decoder AVOptions: -keep_ass_markup .D...S.. Set if ASS tags must be escaped (default false) libilbc AVOptions: -mode E...A... iLBC mode (20 or 30 ms frames) (from 20 to 30) (default 20) libilbc AVOptions: -enhance .D..A... Enhance the decoded audio (adds delay) (from 0 to 1) (default 0) libmp3lame encoder AVOptions: -reservoir E...A... use bit reservoir (default true) -joint_stereo E...A... use joint stereo (default true) -abr E...A... use ABR (default false) libopencore_amrnb AVOptions: -dtx E...A... Allow DTX (generate comfort noise) (from 0 to 1) (default 0) libopenjpeg AVOptions: -format E..V.... Codec Format (from 0 to 2) (default jp2) j2k E..V.... jp2 E..V.... -profile E..V.... (from 0 to 4) (default jpeg2000) jpeg2000 E..V.... cinema2k E..V.... cinema4k E..V.... -cinema_mode E..V.... Digital Cinema (from 0 to 3) (default off) off E..V.... 2k_24 E..V.... 2k_48 E..V.... 4k_24 E..V.... -prog_order E..V.... Progression Order (from 0 to 4) (default lrcp) lrcp E..V.... rlcp E..V.... rpcl E..V.... pcrl E..V.... cprl E..V.... -numresolution E..V.... (from 1 to INT_MAX) (default 6) -numlayers E..V.... (from 1 to 10) (default 1) -disto_alloc E..V.... (from 0 to 1) (default 1) -fixed_alloc E..V.... (from 0 to 1) (default 0) -fixed_quality E..V.... (from 0 to 1) (default 0) libopenjpeg AVOptions: -lowqual .D.V.... Limit the number of layers used for decoding (from 0 to INT_MAX) (default 0) libopus AVOptions: -application E...A... Intended application type (from 2048 to 2051) (default audio) voip E...A... Favor improved speech intelligibility audio E...A... Favor faithfulness to the input lowdelay E...A... Restrict to only the lowest delay modes -frame_duration E...A... Duration of a frame in milliseconds (from 2.5 to 60) (default 20) -packet_loss E...A... Expected packet loss percentage (from 0 to 100) (default 0) -vbr E...A... Variable bit rate mode (from 0 to 2) (default on) off E...A... Use constant bit rate on E...A... Use variable bit rate constrained E...A... Use constrained VBR libspeex AVOptions: -abr E...A... Use average bit rate (from 0 to 1) (default 0) -cbr_quality E...A... Set quality value (0 to 10) for CBR (from 0 to 10) (default 8) -frames_per_packet E...A... Number of frames to encode in each packet (from 1 to 8) (default 1) -vad E...A... Voice Activity Detection (from 0 to 1) (default 0) -dtx E...A... Discontinuous Transmission (from 0 to 1) (default 0) libtwolame encoder AVOptions: -mode E...A... Mpeg Mode (from -1 to 3) (default auto) auto E...A... stereo E...A... joint_stereo E...A... dual_channel E...A... mono E...A... -psymodel E...A... Psychoacoustic Model (from -1 to 4) (default 3) -energy_levels E...A... enable energy levels (from 0 to 1) (default 0) -error_protection E...A... enable CRC error protection (from 0 to 1) (default 0) -copyright E...A... set MPEG Audio Copyright flag (from 0 to 1) (default 0) -original E...A... set MPEG Audio Original flag (from 0 to 1) (default 0) -verbosity E...A... set library optput level (0-10) (from 0 to 10) (default 0) libvo_amrwbenc AVOptions: -dtx E...A... Allow DTX (generate comfort noise) (from 0 to 1) (default 0) libvorbis AVOptions: -iblock E...A... Sets the impulse block bias (from -15 to 0) (default 0) libvpx-vp8 encoder AVOptions: -cpu-used E..V.... Quality/Speed ratio modifier (from -16 to 16) (default 1) -auto-alt-ref E..V.... Enable use of alternate reference frames (2-pass only) (from -1 to 1) (default -1) -lag-in-frames E..V.... Number of frames to look ahead for alternate reference frame selection (from -1 to INT_MAX) (default -1) -arnr-maxframes E..V.... altref noise reduction max frame count (from -1 to INT_MAX) (default -1) -arnr-strength E..V.... altref noise reduction filter strength (from -1 to INT_MAX) (default -1) -arnr-type E..V.... altref noise reduction filter type (from -1 to INT_MAX) (default -1) backward E..V.... forward E..V.... centered E..V.... -deadline E..V.... Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX) (default good) best E..V.... good E..V.... realtime E..V.... -error-resilient E..V.... Error resilience configuration (default 0) default E..V.... Improve resiliency against losses of whole frames partitions E..V.... The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra predicition is still done over the partition boundary. -max-intra-rate E..V.... Maximum I-frame bitrate (pct) 0=unlimited (from -1 to INT_MAX) (default -1) -crf E..V.... Select the quality for constant quality mode (from -1 to 63) (default -1) -static-thresh E..V.... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0) -undershoot-pct E..V.... Datarate undershoot (min) target (%) (from -1 to 100) (default -1) -overshoot-pct E..V.... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1) -speed E..V.... (from -16 to 16) (default 1) -quality E..V.... (from INT_MIN to INT_MAX) (default good) best E..V.... good E..V.... realtime E..V.... -vp8flags E..V.... (default 0) error_resilient E..V.... enable error resilience altref E..V.... enable use of alternate reference frames (VP8/2-pass only) -arnr_max_frames E..V.... altref noise reduction max frame count (from 0 to 15) (default 0) -arnr_strength E..V.... altref noise reduction filter strength (from 0 to 6) (default 3) -arnr_type E..V.... altref noise reduction filter type (from 1 to 3) (default 3) -rc_lookahead E..V.... Number of frames to look ahead for alternate reference frame selection (from 0 to 25) (default 25) libvpx-vp9 encoder AVOptions: -cpu-used E..V.... Quality/Speed ratio modifier (from -16 to 16) (default 1) -auto-alt-ref E..V.... Enable use of alternate reference frames (2-pass only) (from -1 to 1) (default -1) -lag-in-frames E..V.... Number of frames to look ahead for alternate reference frame selection (from -1 to INT_MAX) (default -1) -arnr-maxframes E..V.... altref noise reduction max frame count (from -1 to INT_MAX) (default -1) -arnr-strength E..V.... altref noise reduction filter strength (from -1 to INT_MAX) (default -1) -arnr-type E..V.... altref noise reduction filter type (from -1 to INT_MAX) (default -1) backward E..V.... forward E..V.... centered E..V.... -deadline E..V.... Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX) (default good) best E..V.... good E..V.... realtime E..V.... -error-resilient E..V.... Error resilience configuration (default 0) default E..V.... Improve resiliency against losses of whole frames partitions E..V.... The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra predicition is still done over the partition boundary. -max-intra-rate E..V.... Maximum I-frame bitrate (pct) 0=unlimited (from -1 to INT_MAX) (default -1) -crf E..V.... Select the quality for constant quality mode (from -1 to 63) (default -1) -static-thresh E..V.... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0) -undershoot-pct E..V.... Datarate undershoot (min) target (%) (from -1 to 100) (default -1) -overshoot-pct E..V.... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1) -lossless E..V.... Lossless mode (from -1 to 1) (default -1) -tile-columns E..V.... Number of tile columns to use, log2 (from -1 to 6) (default -1) -tile-rows E..V.... Number of tile rows to use, log2 (from -1 to 2) (default -1) -frame-parallel E..V.... Enable frame parallel decodability features (from -1 to 1) (default -1) -aq-mode E..V.... adaptive quantization mode (from -1 to 3) (default -1) none E..V.... Aq not used variance E..V.... Variance based Aq complexity E..V.... Complexity based Aq cyclic E..V.... Cyclic Refresh Aq -speed E..V.... (from -16 to 16) (default 1) -quality E..V.... (from INT_MIN to INT_MAX) (default good) best E..V.... good E..V.... realtime E..V.... -vp8flags E..V.... (default 0) error_resilient E..V.... enable error resilience altref E..V.... enable use of alternate reference frames (VP8/2-pass only) -arnr_max_frames E..V.... altref noise reduction max frame count (from 0 to 15) (default 0) -arnr_strength E..V.... altref noise reduction filter strength (from 0 to 6) (default 3) -arnr_type E..V.... altref noise reduction filter type (from 1 to 3) (default 3) -rc_lookahead E..V.... Number of frames to look ahead for alternate reference frame selection (from 0 to 25) (default 25) libwebp AVOptions: -lossless E..V.... Use lossless mode (from 0 to 1) (default 0) -preset E..V.... Configuration preset (from -1 to 5) (default none) none E..V.... do not use a preset default E..V.... default preset picture E..V.... digital picture, like portrait, inner shot photo E..V.... outdoor photograph, with natural lighting drawing E..V.... hand or line drawing, with high-contrast details icon E..V.... small-sized colorful images text E..V.... text-like -cr_threshold E..V.... Conditional replenishment threshold (from 0 to INT_MAX) (default 0) -cr_size E..V.... Conditional replenishment block size (from 0 to 256) (default 16) -quality E..V.... Quality (from 0 to 100) (default 75) libx264 AVOptions: -preset E..V.... Set the encoding preset (cf. x264 --fullhelp) (default "medium") -tune E..V.... Tune the encoding params (cf. x264 --fullhelp) -profile E..V.... Set profile restrictions (cf. x264 --fullhelp) -fastfirstpass E..V.... Use fast settings when encoding first pass (default true) -level E..V.... Specify level (as defined by Annex A) -passlogfile E..V.... Filename for 2 pass stats -wpredp E..V.... Weighted prediction for P-frames -a53cc E..V.... Use A53 Closed Captions (if available) (default false) -x264opts E..V.... x264 options -crf E..V.... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1) -crf_max E..V.... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1) -qp E..V.... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1) -aq-mode E..V.... AQ method (from -1 to INT_MAX) (default -1) none E..V.... variance E..V.... Variance AQ (complexity mask) autovariance E..V.... Auto-variance AQ autovariance-biased E..V.... Auto-variance AQ with bias to dark scenes -aq-strength E..V.... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1) -psy E..V.... Use psychovisual optimizations. (from -1 to 1) (default -1) -psy-rd E..V.... Strength of psychovisual optimization, in : format. -rc-lookahead E..V.... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1) -weightb E..V.... Weighted prediction for B-frames. (from -1 to 1) (default -1) -weightp E..V.... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1) none E..V.... simple E..V.... smart E..V.... -ssim E..V.... Calculate and print SSIM stats. (from -1 to 1) (default -1) -intra-refresh E..V.... Use Periodic Intra Refresh instead of IDR frames. (from -1 to 1) (default -1) -bluray-compat E..V.... Bluray compatibility workarounds. (from -1 to 1) (default -1) -b-bias E..V.... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN) -b-pyramid E..V.... Keep some B-frames as references. (from -1 to INT_MAX) (default -1) none E..V.... strict E..V.... Strictly hierarchical pyramid normal E..V.... Non-strict (not Blu-ray compatible) -mixed-refs E..V.... One reference per partition, as opposed to one reference per macroblock (from -1 to 1) (default -1) -8x8dct E..V.... High profile 8x8 transform. (from -1 to 1) (default -1) -fast-pskip E..V.... (from -1 to 1) (default -1) -aud E..V.... Use access unit delimiters. (from -1 to 1) (default -1) -mbtree E..V.... Use macroblock tree ratecontrol. (from -1 to 1) (default -1) -deblock E..V.... Loop filter parameters, in form. -cplxblur E..V.... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1) -partitions E..V.... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all -direct-pred E..V.... Direct MV prediction mode (from -1 to INT_MAX) (default -1) none E..V.... spatial E..V.... temporal E..V.... auto E..V.... -slice-max-size E..V.... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1) -stats E..V.... Filename for 2 pass stats -nal-hrd E..V.... Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX) (default -1) none E..V.... vbr E..V.... cbr E..V.... -avcintra-class E..V.... AVC-Intra class 50/100/200 (from -1 to 200) (default -1) -motion-est E..V.... Set motion estimation method (from -1 to 4) (default -1) dia E..V.... hex E..V.... umh E..V.... esa E..V.... tesa E..V.... -forced-idr E..V.... If forcing keyframes, force them as IDR frames. (from -1 to 1) (default -1) -x264-params E..V.... Override the x264 configuration using a :-separated list of key=value parameters libx264rgb AVOptions: -preset E..V.... Set the encoding preset (cf. x264 --fullhelp) (default "medium") -tune E..V.... Tune the encoding params (cf. x264 --fullhelp) -profile E..V.... Set profile restrictions (cf. x264 --fullhelp) -fastfirstpass E..V.... Use fast settings when encoding first pass (default true) -level E..V.... Specify level (as defined by Annex A) -passlogfile E..V.... Filename for 2 pass stats -wpredp E..V.... Weighted prediction for P-frames -a53cc E..V.... Use A53 Closed Captions (if available) (default false) -x264opts E..V.... x264 options -crf E..V.... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1) -crf_max E..V.... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1) -qp E..V.... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1) -aq-mode E..V.... AQ method (from -1 to INT_MAX) (default -1) none E..V.... variance E..V.... Variance AQ (complexity mask) autovariance E..V.... Auto-variance AQ autovariance-biased E..V.... Auto-variance AQ with bias to dark scenes -aq-strength E..V.... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1) -psy E..V.... Use psychovisual optimizations. (from -1 to 1) (default -1) -psy-rd E..V.... Strength of psychovisual optimization, in : format. -rc-lookahead E..V.... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1) -weightb E..V.... Weighted prediction for B-frames. (from -1 to 1) (default -1) -weightp E..V.... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1) none E..V.... simple E..V.... smart E..V.... -ssim E..V.... Calculate and print SSIM stats. (from -1 to 1) (default -1) -intra-refresh E..V.... Use Periodic Intra Refresh instead of IDR frames. (from -1 to 1) (default -1) -bluray-compat E..V.... Bluray compatibility workarounds. (from -1 to 1) (default -1) -b-bias E..V.... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN) -b-pyramid E..V.... Keep some B-frames as references. (from -1 to INT_MAX) (default -1) none E..V.... strict E..V.... Strictly hierarchical pyramid normal E..V.... Non-strict (not Blu-ray compatible) -mixed-refs E..V.... One reference per partition, as opposed to one reference per macroblock (from -1 to 1) (default -1) -8x8dct E..V.... High profile 8x8 transform. (from -1 to 1) (default -1) -fast-pskip E..V.... (from -1 to 1) (default -1) -aud E..V.... Use access unit delimiters. (from -1 to 1) (default -1) -mbtree E..V.... Use macroblock tree ratecontrol. (from -1 to 1) (default -1) -deblock E..V.... Loop filter parameters, in form. -cplxblur E..V.... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1) -partitions E..V.... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all -direct-pred E..V.... Direct MV prediction mode (from -1 to INT_MAX) (default -1) none E..V.... spatial E..V.... temporal E..V.... auto E..V.... -slice-max-size E..V.... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1) -stats E..V.... Filename for 2 pass stats -nal-hrd E..V.... Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX) (default -1) none E..V.... vbr E..V.... cbr E..V.... -avcintra-class E..V.... AVC-Intra class 50/100/200 (from -1 to 200) (default -1) -motion-est E..V.... Set motion estimation method (from -1 to 4) (default -1) dia E..V.... hex E..V.... umh E..V.... esa E..V.... tesa E..V.... -forced-idr E..V.... If forcing keyframes, force them as IDR frames. (from -1 to 1) (default -1) -x264-params E..V.... Override the x264 configuration using a :-separated list of key=value parameters libx265 AVOptions: -crf E..V.... set the x265 crf (from -1 to FLT_MAX) (default -1) -preset E..V.... set the x265 preset -tune E..V.... set the x265 tune parameter -x265-params E..V.... set the x265 configuration using a :-separated list of key=value parameters libxavs AVOptions: -crf E..V.... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1) -qp E..V.... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1) -b-bias E..V.... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN) -cplxblur E..V.... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1) -direct-pred E..V.... Direct MV prediction mode (from -1 to INT_MAX) (default -1) none E..V.... spatial E..V.... temporal E..V.... auto E..V.... -aud E..V.... Use access unit delimiters. (from -1 to 1) (default -1) -mbtree E..V.... Use macroblock tree ratecontrol. (from -1 to 1) (default -1) -mixed-refs E..V.... One reference per partition, as opposed to one reference per macroblock (from -1 to 1) (default -1) -fast-pskip E..V.... (from -1 to 1) (default -1) -motion-est E..V.... Set motion estimation method (from -1 to 4) (default -1) dia E..V.... hex E..V.... umh E..V.... esa E..V.... tesa E..V.... libxvid AVOptions: -lumi_aq E..V.... Luminance masking AQ (from 0 to 1) (default 0) -variance_aq E..V.... Variance AQ (from 0 to 1) (default 0) -ssim E..V.... Show SSIM information to stdout (from 0 to 2) (default off) off E..V.... avg E..V.... frame E..V.... -ssim_acc E..V.... SSIM accuracy (from 0 to 4) (default 2) -gmc E..V.... use GMC (from 0 to 1) (default 0) -me_quality E..V.... Motion estimation quality (from 0 to 6) (default 0) AVFormatContext AVOptions: -avioflags ED...... (default 0) direct ED...... reduce buffering -probesize .D...... set probing size (from 32 to I64_MAX) (default 5e+006) -formatprobesize .D...... number of bytes to probe file format (from 0 to 2.14748e+009) (default 1.04858e+006) -packetsize E....... set packet size (from 0 to INT_MAX) (default 0) -fflags ED...... (default flush_packets) flush_packets E....... reduce the latency by flushing out packets immediately ignidx .D...... ignore index genpts .D...... generate pts nofillin .D...... do not fill in missing values that can be exactly calculated noparse .D...... disable AVParsers, this needs nofillin too igndts .D...... ignore dts discardcorrupt .D...... discard corrupted frames sortdts .D...... try to interleave outputted packets by dts keepside .D...... don't merge side data fastseek .D...... fast but inaccurate seeks latm E....... enable RTP MP4A-LATM payload nobuffer .D...... reduce the latency introduced by optional buffering bitexact E....... do not write random/volatile data -seek2any .D...... allow seeking to non-keyframes on demuxer level when supported (from 0 to 1) (default 0) -analyzeduration .D...... specify how many microseconds are analyzed to probe the input (from 0 to I64_MAX) (default 0) -cryptokey .D...... decryption key -indexmem .D...... max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1.04858e+006) -rtbufsize .D...... max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3.04128e+006) -fdebug ED...... print specific debug info (default 0) ts ED...... -max_delay ED...... maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1) -start_time_realtime E....... wall-clock time when stream begins (PTS==0) (from I64_MIN to I64_MAX) (default I64_MIN) -fpsprobesize .D...... number of frames used to probe fps (from -1 to 2.14748e+009) (default -1) -audio_preload E....... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+009) (default 0) -chunk_duration E....... microseconds for each chunk (from 0 to 2.14748e+009) (default 0) -chunk_size E....... size in bytes for each chunk (from 0 to 2.14748e+009) (default 0) -f_err_detect .D...... set error detection flags (deprecated; use err_detect, save via avconv) (default crccheck) crccheck .D...... verify embedded CRCs bitstream .D...... detect bitstream specification deviations buffer .D...... detect improper bitstream length explode .D...... abort decoding on minor error detection ignore_err .D...... ignore errors careful .D...... consider things that violate the spec, are fast to check and have not been seen in the wild as errors compliant .D...... consider all spec non compliancies as errors aggressive .D...... consider things that a sane encoder shouldn't do as an error -err_detect .D...... set error detection flags (default crccheck) crccheck .D...... verify embedded CRCs bitstream .D...... detect bitstream specification deviations buffer .D...... detect improper bitstream length explode .D...... abort decoding on minor error detection ignore_err .D...... ignore errors careful .D...... consider things that violate the spec, are fast to check and have not been seen in the wild as errors compliant .D...... consider all spec non compliancies as errors aggressive .D...... consider things that a sane encoder shouldn't do as an error -use_wallclock_as_timestamps .D...... use wallclock as timestamps (from 0 to 2.14748e+009) (default 0) -skip_initial_bytes .D...... set number of bytes to skip before reading header and frames (from 0 to I64_MAX) (default 0) -correct_ts_overflow .D...... correct single timestamp overflows (from 0 to 1) (default 1) -flush_packets E....... enable flushing of the I/O context after each packet (from 0 to 1) (default 1) -metadata_header_padding E....... set number of bytes to be written as padding in a metadata header (from -1 to INT_MAX) (default -1) -output_ts_offset E....... set output timestamp offset (default 0) -max_interleave_delta E....... maximum buffering duration for interleaving (from 0 to I64_MAX) (default 1e+007) -f_strict ED...... how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default normal) strict ED...... strictly conform to all the things in the spec no matter what the consequences normal ED...... unofficial ED...... allow unofficial extensions experimental ED...... allow non-standardized experimental variants -strict ED...... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal) strict ED...... strictly conform to all the things in the spec no matter what the consequences normal ED...... unofficial ED...... allow unofficial extensions experimental ED...... allow non-standardized experimental variants -max_ts_probe .D...... maximum number of packets to read while waiting for the first timestamp (from 0 to INT_MAX) (default 50) -avoid_negative_ts E....... shift timestamps so they start at 0 (from -1 to 2) (default auto) auto E....... enabled when required by target format disabled E....... do not change timestamps make_non_negative E....... shift timestamps so they are non negative make_zero E....... shift timestamps so they start at 0 -dump_separator ED...... set information dump field separator (default ", ") -codec_whitelist .D...... List of decoders that are allowed to be used -format_whitelist .D...... List of demuxers that are allowed to be used AVIOContext AVOptions: URLContext AVOptions: Async AVOptions: bluray AVOptions: -playlist .D...... (from -1 to 99999) (default -1) -angle .D...... (from 0 to 254) (default 0) -chapter .D...... (from 1 to 65534) (default 1) Cache AVOptions: -read_ahead_limit .D...... Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited (from -1 to INT_MAX) (default 65536) crypto AVOptions: -key ED...... AES encryption/decryption key -iv ED...... AES encryption/decryption initialization vector -decryption_key .D...... AES decryption key -decryption_iv .D...... AES decryption initialization vector -encryption_key E....... AES encryption key -encryption_iv E....... AES encryption initialization vector file AVOptions: -truncate E....... truncate existing files on write (from 0 to 1) (default 1) -blocksize E....... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX) ftp AVOptions: -timeout ED...... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1) -ftp-write-seekable E....... control seekability of connection during encoding (from 0 to 1) (default 0) -ftp-anonymous-password ED...... password for anonymous login. E-mail address should be used. http AVOptions: -seekable .D...... control seekability of connection (from -1 to 1) (default -1) -chunked_post E....... use chunked transfer-encoding for posts (from 0 to 1) (default 1) -headers ED...... set custom HTTP headers, can override built in default headers -content_type ED...... set a specific content type for the POST messages -user_agent .D...... override User-Agent header (default "Lavf/57.11.100") -user-agent .D...... override User-Agent header (default "Lavf/57.11.100") -multiple_requests ED...... use persistent connections (from 0 to 1) (default 0) -post_data ED...... set custom HTTP post data -cookies .D...... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax -icy .D...... request ICY metadata (from 0 to 1) (default 1) -auth_type ED...... HTTP authentication type (from 0 to 1) (default none) none ED...... No auth method set, autodetect basic ED...... HTTP basic authentication -send_expect_100 E....... Force sending an Expect: 100-continue header for POST (from 0 to 1) (default 0) -location ED...... The actual location of the data received -offset .D...... initial byte offset (from 0 to I64_MAX) (default 0) -end_offset .D...... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0) -method ED...... Override the HTTP method or set the expected HTTP method from a client -reconnect .D...... auto reconnect after disconnect before EOF (from 0 to 1) (default 0) -reconnect_at_eof .D...... auto reconnect at EOF (from 0 to 1) (default 0) -reconnect_streamed .D...... auto reconnect streamed / non seekable streams (from 0 to 1) (default 0) -reconnect_delay_max .D...... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120) -listen ED...... listen on HTTP (from 0 to 2) (default 0) -resource E....... The resource requested by a client -reply_code E....... The http status code to return to a client (from INT_MIN to 599) (default 200) https AVOptions: -seekable .D...... control seekability of connection (from -1 to 1) (default -1) -chunked_post E....... use chunked transfer-encoding for posts (from 0 to 1) (default 1) -headers ED...... set custom HTTP headers, can override built in default headers -content_type ED...... set a specific content type for the POST messages -user_agent .D...... override User-Agent header (default "Lavf/57.11.100") -user-agent .D...... override User-Agent header (default "Lavf/57.11.100") -multiple_requests ED...... use persistent connections (from 0 to 1) (default 0) -post_data ED...... set custom HTTP post data -cookies .D...... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax -icy .D...... request ICY metadata (from 0 to 1) (default 1) -auth_type ED...... HTTP authentication type (from 0 to 1) (default none) none ED...... No auth method set, autodetect basic ED...... HTTP basic authentication -send_expect_100 E....... Force sending an Expect: 100-continue header for POST (from 0 to 1) (default 0) -location ED...... The actual location of the data received -offset .D...... initial byte offset (from 0 to I64_MAX) (default 0) -end_offset .D...... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0) -method ED...... Override the HTTP method or set the expected HTTP method from a client -reconnect .D...... auto reconnect after disconnect before EOF (from 0 to 1) (default 0) -reconnect_at_eof .D...... auto reconnect at EOF (from 0 to 1) (default 0) -reconnect_streamed .D...... auto reconnect streamed / non seekable streams (from 0 to 1) (default 0) -reconnect_delay_max .D...... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120) -listen ED...... listen on HTTP (from 0 to 2) (default 0) -resource E....... The resource requested by a client -reply_code E....... The http status code to return to a client (from INT_MIN to 599) (default 200) icecast AVOptions: -ice_genre E....... set stream genre -ice_name E....... set stream description -ice_description E....... set stream description -ice_url E....... set stream website -ice_public E....... set if stream is public (from 0 to 1) (default 0) -user_agent E....... override User-Agent header -password E....... set password -content_type E....... set content-type, MUST be set if not audio/mpeg -legacy_icecast E....... use legacy SOURCE method, for Icecast < v2.4 (from 0 to 1) (default 0) pipe AVOptions: -blocksize E....... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX) rtp AVOptions: -ttl ED...... Time to live (in milliseconds, multicast only) (from -1 to INT_MAX) (default -1) -buffer_size ED...... Send/Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1) -rtcp_port ED...... Custom rtcp port (from -1 to INT_MAX) (default -1) -local_rtpport ED...... Local rtp port (from -1 to INT_MAX) (default -1) -local_rtcpport ED...... Local rtcp port (from -1 to INT_MAX) (default -1) -connect ED...... Connect socket (from 0 to 1) (default 0) -write_to_source ED...... Send packets to the source address of the latest received packet (from 0 to 1) (default 0) -pkt_size ED...... Maximum packet size (from -1 to INT_MAX) (default -1) -dscp ED...... DSCP class (from -1 to INT_MAX) (default -1) -sources ED...... Source list -block ED...... Block list srtp AVOptions: -srtp_out_suite E....... -srtp_out_params E....... -srtp_in_suite .D...... -srtp_in_params .D...... subfile AVOptions: -start .D...... start offset (from 0 to I64_MAX) (default 0) -end .D...... end offset (from 0 to I64_MAX) (default 0) tcp AVOptions: -listen ED...... Listen for incoming connections (from 0 to 2) (default 0) -timeout ED...... set timeout (in microseconds) of socket I/O operations (from -1 to INT_MAX) (default -1) -listen_timeout ED...... Connection awaiting timeout (in milliseconds) (from -1 to INT_MAX) (default -1) tls AVOptions: -ca_file ED...... Certificate Authority database file -cafile ED...... Certificate Authority database file -tls_verify ED...... Verify the peer certificate (from 0 to 1) (default 0) -cert_file ED...... Certificate file -key_file ED...... Private key file -listen ED...... Listen for incoming connections (from 0 to 1) (default 0) -verifyhost ED...... Verify against a specific hostname udp AVOptions: -buffer_size ED...... System data size (in bytes) (from -1 to INT_MAX) (default -1) -localport ED...... Local port (from -1 to INT_MAX) (default -1) -local_port ED...... Local port (from -1 to INT_MAX) (default -1) -localaddr ED...... Local address -udplite_coverage ED...... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0) -pkt_size ED...... Maximum UDP packet size (from -1 to INT_MAX) (default 1472) -reuse ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1) -reuse_socket ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1) -broadcast E....... explicitly allow or disallow broadcast destination (from 0 to 1) (default 0) -ttl E....... Time to live (multicast only) (from 0 to INT_MAX) (default 16) -connect ED...... set if connect() should be called on socket (from 0 to 1) (default 0) -fifo_size .D...... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672) -overrun_nonfatal .D...... survive in case of UDP receiving circular buffer overrun (from 0 to 1) (default 0) -timeout .D...... set raise error timeout (only in read mode) (from 0 to INT_MAX) (default 0) -sources ED...... Source list -block ED...... Block list udplite AVOptions: -buffer_size ED...... System data size (in bytes) (from -1 to INT_MAX) (default -1) -localport ED...... Local port (from -1 to INT_MAX) (default -1) -local_port ED...... Local port (from -1 to INT_MAX) (default -1) -localaddr ED...... Local address -udplite_coverage ED...... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0) -pkt_size ED...... Maximum UDP packet size (from -1 to INT_MAX) (default 1472) -reuse ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1) -reuse_socket ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1) -broadcast E....... explicitly allow or disallow broadcast destination (from 0 to 1) (default 0) -ttl E....... Time to live (multicast only) (from 0 to INT_MAX) (default 16) -connect ED...... set if connect() should be called on socket (from 0 to 1) (default 0) -fifo_size .D...... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672) -overrun_nonfatal .D...... survive in case of UDP receiving circular buffer overrun (from 0 to 1) (default 0) -timeout .D...... set raise error timeout (only in read mode) (from 0 to INT_MAX) (default 0) -sources ED...... Source list -block ED...... Block list librtmp protocol AVOptions: -rtmp_app ED...... Name of application to connect to on the RTMP server -rtmp_buffer ED...... Set buffer time in milliseconds. The default is 3000. (default "3000") -rtmp_conn ED...... Append arbitrary AMF data to the Connect message -rtmp_flashver ED...... Version of the Flash plugin used to run the SWF player. -rtmp_live .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded) any .D...... both live .D...... live stream recorded .D...... recorded stream -rtmp_pageurl .D...... URL of the web page in which the media was embedded. By default no value will be sent. -rtmp_playpath ED...... Stream identifier to play or to publish -rtmp_subscribe .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath. -rtmp_swfurl ED...... URL of the SWF player. By default no value will be sent -rtmp_swfverify .D...... URL to player swf file, compute hash/size automatically. (unimplemented) -rtmp_tcurl ED...... URL of the target stream. Defaults to proto://host[:port]/app. -rtmp_buffer_size ED...... set buffer size in bytes (from -1 to INT_MAX) (default -1) librtmpe protocol AVOptions: -rtmp_app ED...... Name of application to connect to on the RTMP server -rtmp_buffer ED...... Set buffer time in milliseconds. The default is 3000. (default "3000") -rtmp_conn ED...... Append arbitrary AMF data to the Connect message -rtmp_flashver ED...... Version of the Flash plugin used to run the SWF player. -rtmp_live .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded) any .D...... both live .D...... live stream recorded .D...... recorded stream -rtmp_pageurl .D...... URL of the web page in which the media was embedded. By default no value will be sent. -rtmp_playpath ED...... Stream identifier to play or to publish -rtmp_subscribe .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath. -rtmp_swfurl ED...... URL of the SWF player. By default no value will be sent -rtmp_swfverify .D...... URL to player swf file, compute hash/size automatically. (unimplemented) -rtmp_tcurl ED...... URL of the target stream. Defaults to proto://host[:port]/app. -rtmp_buffer_size ED...... set buffer size in bytes (from -1 to INT_MAX) (default -1) librtmps protocol AVOptions: -rtmp_app ED...... Name of application to connect to on the RTMP server -rtmp_buffer ED...... Set buffer time in milliseconds. The default is 3000. (default "3000") -rtmp_conn ED...... Append arbitrary AMF data to the Connect message -rtmp_flashver ED...... Version of the Flash plugin used to run the SWF player. -rtmp_live .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded) any .D...... both live .D...... live stream recorded .D...... recorded stream -rtmp_pageurl .D...... URL of the web page in which the media was embedded. By default no value will be sent. -rtmp_playpath ED...... Stream identifier to play or to publish -rtmp_subscribe .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath. -rtmp_swfurl ED...... URL of the SWF player. By default no value will be sent -rtmp_swfverify .D...... URL to player swf file, compute hash/size automatically. (unimplemented) -rtmp_tcurl ED...... URL of the target stream. Defaults to proto://host[:port]/app. -rtmp_buffer_size ED...... set buffer size in bytes (from -1 to INT_MAX) (default -1) librtmpt protocol AVOptions: -rtmp_app ED...... Name of application to connect to on the RTMP server -rtmp_buffer ED...... Set buffer time in milliseconds. The default is 3000. (default "3000") -rtmp_conn ED...... Append arbitrary AMF data to the Connect message -rtmp_flashver ED...... Version of the Flash plugin used to run the SWF player. -rtmp_live .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded) any .D...... both live .D...... live stream recorded .D...... recorded stream -rtmp_pageurl .D...... URL of the web page in which the media was embedded. By default no value will be sent. -rtmp_playpath ED...... Stream identifier to play or to publish -rtmp_subscribe .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath. -rtmp_swfurl ED...... URL of the SWF player. By default no value will be sent -rtmp_swfverify .D...... URL to player swf file, compute hash/size automatically. (unimplemented) -rtmp_tcurl ED...... URL of the target stream. Defaults to proto://host[:port]/app. -rtmp_buffer_size ED...... set buffer size in bytes (from -1 to INT_MAX) (default -1) librtmpte protocol AVOptions: -rtmp_app ED...... Name of application to connect to on the RTMP server -rtmp_buffer ED...... Set buffer time in milliseconds. The default is 3000. (default "3000") -rtmp_conn ED...... Append arbitrary AMF data to the Connect message -rtmp_flashver ED...... Version of the Flash plugin used to run the SWF player. -rtmp_live .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded) any .D...... both live .D...... live stream recorded .D...... recorded stream -rtmp_pageurl .D...... URL of the web page in which the media was embedded. By default no value will be sent. -rtmp_playpath ED...... Stream identifier to play or to publish -rtmp_subscribe .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath. -rtmp_swfurl ED...... URL of the SWF player. By default no value will be sent -rtmp_swfverify .D...... URL to player swf file, compute hash/size automatically. (unimplemented) -rtmp_tcurl ED...... URL of the target stream. Defaults to proto://host[:port]/app. -rtmp_buffer_size ED...... set buffer size in bytes (from -1 to INT_MAX) (default -1) Blackmagic DeckLink demuxer AVOptions: -list_devices .D...... list available devices (from 0 to 1) (default 0) -list_formats .D...... list supported formats (from 0 to 1) (default 0) -bm_v210 .D...... v210 10 bit per channel (from 0 to 1) (default 0) dshow indev AVOptions: -video_size .D...... set video size given a string such as 640x480 or hd720. -pixel_format .D...... set video pixel format (default none) -framerate .D...... set video frame rate -sample_rate .D...... set audio sample rate (from 0 to INT_MAX) (default 0) -sample_size .D...... set audio sample size (from 0 to 16) (default 0) -channels .D...... set number of audio channels, such as 1 or 2 (from 0 to INT_MAX) (default 0) -audio_buffer_size .D...... set audio device buffer latency size in milliseconds (default is the device's default) (from 0 to INT_MAX) (default 0) -list_devices .D...... list available devices (default false) -list_options .D...... list available options for specified device (default false) -video_device_number .D...... set video device number for devices with same name (starts at 0) (from 0 to INT_MAX) (default 0) -audio_device_number .D...... set audio device number for devices with same name (starts at 0) (from 0 to INT_MAX) (default 0) -video_pin_name E....... select video capture pin by name -audio_pin_name E....... select audio capture pin by name -crossbar_video_input_pin_number .D...... set video input pin number for crossbar device (from -1 to INT_MAX) (default -1) -crossbar_audio_input_pin_number .D...... set audio input pin number for crossbar device (from -1 to INT_MAX) (default -1) -show_video_device_dialog .D...... display property dialog for video capture device (default false) -show_audio_device_dialog .D...... display property dialog for audio capture device (default false) -show_video_crossbar_connection_dialog .D...... display property dialog for crossbar connecting pins filter on video device (default false) -show_audio_crossbar_connection_dialog .D...... display property dialog for crossbar connecting pins filter on audio device (default false) -show_analog_tv_tuner_dialog .D...... display property dialog for analog tuner filter (default false) -show_analog_tv_tuner_audio_dialog .D...... display property dialog for analog tuner audio filter (default false) -audio_device_load .D...... load audio capture filter device (and properties) from file -audio_device_save .D...... save audio capture filter device (and properties) to file -video_device_load .D...... load video capture filter device (and properties) from file -video_device_save .D...... save video capture filter device (and properties) to file GDIgrab indev AVOptions: -draw_mouse .D...... draw the mouse pointer (from 0 to 1) (default 1) -show_region .D...... draw border around capture area (from 0 to 1) (default 0) -framerate .D...... set video frame rate (default "ntsc") -video_size .D...... set video frame size -offset_x .D...... capture area x offset (from INT_MIN to INT_MAX) (default 0) -offset_y .D...... capture area y offset (from INT_MIN to INT_MAX) (default 0) lavfi indev AVOptions: -graph .D...... set libavfilter graph -graph_file .D...... set libavfilter graph filename -dumpgraph .D...... dump graph to stderr VFW indev AVOptions: -video_size .D...... A string describing frame size, such as 640x480 or hd720. -framerate .D...... (default "ntsc") aa AVOptions: -aa_fixed_key .D...... Fixed key used for handling Audible AA files Artworx Data Format demuxer AVOptions: -linespeed .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size .D...... set video size, such as 640x480 or hd720. -framerate .D...... set framerate (frames per second) (default "25") APNG demuxer AVOptions: -ignore_loop .D...... ignore loop setting (from 0 to 1) (default 1) -max_fps .D...... maximum framerate (0 is no limit) (from 0 to INT_MAX) (default 15) -default_fps .D...... default framerate (0 is as fast as possible) (from 0 to INT_MAX) (default 15) aqtdec AVOptions: -subfps .D...S.. set the movie frame rate (from 0 to INT_MAX) (default 25/1) asf demuxer AVOptions: -no_resync_search .D...... Don't try to resynchronize by looking for a certain optional start code (from 0 to 1) (default 0) -export_xmp .D...... Export full XMP metadata (from 0 to 1) (default 0) avi AVOptions: -use_odml .D...... use odml index (from -1 to 1) (default 1) Binary text demuxer AVOptions: -linespeed .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size .D...... set video size, such as 640x480 or hd720. -framerate .D...... set framerate (frames per second) (default "25") cavsvideo demuxer AVOptions: -framerate .D...... (default "25") CDXL demuxer AVOptions: -sample_rate .D...... (from 1 to INT_MAX) (default 11025) -framerate .D...... concat demuxer AVOptions: -safe .D...... enable safe mode (from -1 to 1) (default -1) -auto_convert .D...... automatically convert bitstream format (from 0 to 1) (default 1) dirac demuxer AVOptions: -framerate .D...... (default "25") dnxhd demuxer AVOptions: -framerate .D...... (default "25") dvbsub demuxer AVOptions: -framerate .D...... (default "25") flvdec AVOptions: -flv_metadata .D.V.... Allocate streams according to the onMetaData array (from 0 to 1) (default 0) live_flvdec AVOptions: -flv_metadata .D.V.... Allocate streams according to the onMetaData array (from 0 to 1) (default 0) g729 demuxer AVOptions: -bit_rate .D...... (from 0 to INT_MAX) (default 0) GIF demuxer AVOptions: -min_delay .D...... minimum valid delay between frames (in hundredths of second) (from 0 to 6000) (default 2) -max_gif_delay .D...... maximum valid delay between frames (in hundredths of seconds) (from 0 to 65535) (default 65535) -default_delay .D...... default delay between frames (in hundredths of second) (from 0 to 6000) (default 10) -ignore_loop .D...... ignore loop setting (netscape extension) (from 0 to 1) (default 1) gsm demuxer AVOptions: -sample_rate .D...... (from 1 to 6.50753e+007) (default 8000) h261 demuxer AVOptions: -framerate .D...... (default "25") h263 demuxer AVOptions: -framerate .D...... (default "25") h264 demuxer AVOptions: -framerate .D...... (default "25") hevc demuxer AVOptions: -framerate .D...... (default "25") hls,applehttp AVOptions: -live_start_index .D...... segment index to start live streams at (negative values are from the end) (from INT_MIN to INT_MAX) (default -3) iCE Draw File demuxer AVOptions: -linespeed .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size .D...... set video size, such as 640x480 or hd720. -framerate .D...... set framerate (frames per second) (default "25") image2 demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision image2pipe demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision alias_pix demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision brender_pix demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision ingenient demuxer AVOptions: -framerate .D...... (default "25") m4v demuxer AVOptions: -framerate .D...... (default "25") microdvddec AVOptions: -subfps .D...S.. set the movie frame rate fallback (from 0 to INT_MAX) (default 0/1) mjpeg demuxer AVOptions: -framerate .D...... (default "25") mov,mp4,m4a,3gp,3g2,mj2 AVOptions: -use_absolute_path .D.V.... allow using absolute path when opening alias, this is a possible security issue (from 0 to 1) (default 0) -seek_streams_individually .D.V.... Seek each stream individually to the to the closest point (from 0 to 1) (default 1) -ignore_editlist .D.V.... (from 0 to 1) (default 0) -use_mfra_for .D.V.... use mfra for fragment timestamps (from -1 to 2) (default auto) auto .D.V.... auto dts .D.V.... dts pts .D.V.... pts -export_all .D.V.... Export unrecognized metadata entries (default false) -export_xmp .D.V.... Export full XMP metadata (default false) -activation_bytes .D...... Secret bytes for Audible AAX files -audible_fixed_key .D...... Fixed key used for handling Audible AAX files mp3 AVOptions: -usetoc .D...... use table of contents (from -1 to 2) (default -1) mpegts demuxer AVOptions: -resync_size .D...... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536) -fix_teletext_pts .D...... try to fix pts values of dvb teletext streams (from 0 to 1) (default 1) -ts_packetsize .D....XR output option carrying the raw packet size (from 0 to 0) (default 0) -scan_all_pmts .D...... scan and combine all PMTs (from -1 to 1) (default -1) mpegtsraw demuxer AVOptions: -resync_size .D...... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536) -compute_pcr .D...... compute exact PCR for each transport stream packet (from 0 to 1) (default 0) -ts_packetsize .D....XR output option carrying the raw packet size (from 0 to 0) (default 0) mpegvideo demuxer AVOptions: -framerate .D...... (default "25") alaw demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) mulaw demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) f64be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) f64le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) f32be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) f32le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) s32be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) s32le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) s24be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) s24le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) s16be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) s16le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) s8 demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) u32be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) u32le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) u24be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) u24le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) u16be demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) u16le demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) u8 demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 44100) -channels .D...... (from 0 to INT_MAX) (default 1) rawvideo demuxer AVOptions: -video_size .D...... set frame size -pixel_format .D...... set pixel format (default "yuv420p") -framerate .D...... set frame rate (default "25") RTP demuxer AVOptions: -rtp_flags .D...... set RTP flags (default 0) filter_src .D...... only receive packets from the negotiated peer IP -reorder_queue_size .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) -buffer_size ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1) RTSP demuxer AVOptions: -initial_pause .D...... do not start playing the stream immediately (from 0 to 1) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -rtsp_transport ED...... set RTSP transport protocols (default 0) udp ED...... UDP tcp ED...... TCP udp_multicast .D...... UDP multicast http .D...... HTTP tunneling -rtsp_flags .D...... set RTSP flags (default 0) filter_src .D...... only receive packets from the negotiated peer IP listen .D...... wait for incoming connections prefer_tcp ED...... try RTP via TCP first, if available -allowed_media_types .D...... set media types to accept from the server (default video+audio+data+subtitle) video .D...... Video audio .D...... Audio data .D...... Data subtitle .D...... Subtitle -min_port ED...... set minimum local UDP port (from 0 to 65535) (default 5000) -max_port ED...... set maximum local UDP port (from 0 to 65535) (default 65000) -timeout .D...... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1) -stimeout .D...... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0) -reorder_queue_size .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) -buffer_size ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1) -user-agent .D...... override User-Agent header (default "Lavf57.11.100") sbg_demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 0) -frame_size .D...... (from 0 to INT_MAX) (default 0) -max_file_size .D...... (from 0 to INT_MAX) (default 5e+006) SDP demuxer AVOptions: -sdp_flags .D...... SDP flags (default 0) filter_src .D...... only receive packets from the negotiated peer IP custom_io .D...... use custom I/O rtcp_to_source .D...... send RTCP packets to the source address of received packets -allowed_media_types .D...... set media types to accept from the server (default video+audio+data+subtitle) video .D...... Video audio .D...... Audio data .D...... Data subtitle .D...... Subtitle -reorder_queue_size .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) -buffer_size ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1) sln demuxer AVOptions: -sample_rate .D...... (from 0 to INT_MAX) (default 8000) -channels .D...... (from 0 to INT_MAX) (default 1) tedcaptions_demuxer AVOptions: -start_time .D...S.. set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX) (default 15000) TTY demuxer AVOptions: -chars_per_frame .D...... (from 1 to INT_MAX) (default 6000) -video_size .D...... A string describing frame size, such as 640x480 or hd720. -framerate .D...... (default "25") vc1 demuxer AVOptions: -framerate .D...... (default "25") vobsub AVOptions: -sub_name .D...... URI for .sub file WAV demuxer AVOptions: -ignore_length .D...... Ignore length (default false) WebM DASH Manifest demuxer AVOptions: -live .D...... flag indicating that the input is a live file that only has the headers. (from 0 to 1) (default 0) WebVTT demuxer AVOptions: eXtended BINary text (XBIN) demuxer AVOptions: -linespeed .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size .D...... set video size, such as 640x480 or hd720. -framerate .D...... set framerate (frames per second) (default "25") bmp demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision dds demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision dpx demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision exr demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision j2k demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision jpeg demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision jpegls demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision pictor demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision png demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision qdraw demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision sgi demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision sunrast demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision tiff demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision webp demuxer AVOptions: -framerate .D...... set the video framerate (default "25") -loop .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type .D...... set pattern type (from 0 to INT_MAX) (default glob_sequence) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type none .D...... disable pattern matching -pixel_format .D...... set video pixel format -start_number .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0) -start_number_range .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size .D...... set video size -frame_size .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file .D...... set frame timestamp from file's one (from 0 to 2) (default none) none .D...... none sec .D...... second precision ns .D...... nano second precision Game Music Emu demuxer AVOptions: -track_index .D..A... set track that should be played (from 0 to INT_MAX) (default 0) -sample_rate .D..A... set sample rate (from 1000 to 999999) (default 44100) -max_size .D..A... set max file size supported (in bytes) (from 0 to UINT32_MAX) (default 5.24288e+007) ModPlug demuxer AVOptions: -noise_reduction .D...... Enable noise reduction 0(off)-1(on) (from 0 to 1) (default 0) -reverb_depth .D...... Reverb level 0(quiet)-100(loud) (from 0 to 100) (default 0) -reverb_delay .D...... Reverb delay in ms, usually 40-200ms (from 0 to INT_MAX) (default 0) -bass_amount .D...... XBass level 0(quiet)-100(loud) (from 0 to 100) (default 0) -bass_range .D...... XBass cutoff in Hz 10-100 (from 0 to 100) (default 0) -surround_depth .D...... Surround level 0(quiet)-100(heavy) (from 0 to 100) (default 0) -surround_delay .D...... Surround delay in ms, usually 5-40ms (from 0 to INT_MAX) (default 0) -max_size .D...... Max file size supported (in bytes). Default is 5MB. Set to 0 for no limit (not recommended) (from 0 to 1.04858e+008) (default 5.24288e+006) -video_stream_expr .D...... Color formula -video_stream .D...... Make demuxer output a video stream (from 0 to 1) (default 0) -video_stream_w .D...... Video stream width in char (one char = 8x8px) (from 20 to 512) (default 30) -video_stream_h .D...... Video stream height in char (one char = 8x8px) (from 20 to 512) (default 30) -video_stream_ptxt .D...... Print speed, tempo, order, ... in video stream (from 0 to 1) (default 1) caca_outdev AVOptions: -window_size E....... set window forced size -window_title E....... set window title -driver E....... set display driver -algorithm E....... set dithering algorithm (default "default") -antialias E....... set antialias method (default "default") -charset E....... set charset used to render output (default "default") -color E....... set color used to render output (default "default") -list_drivers E....... list available drivers (default false) -list_dither E....... list available dither options algorithms E....... antialiases E....... charsets E....... colors E....... Blackmagic DeckLink muxer AVOptions: -list_devices E....... list available devices (from 0 to 1) (default 0) -list_formats E....... list supported formats (from 0 to 1) (default 0) -preroll E....... video preroll in seconds (from 0 to 5) (default 0.5) sdl outdev AVOptions: -window_title E....... set SDL window title -icon_title E....... set SDL iconified window title -window_size E....... set SDL window forced size -window_fullscreen E....... set SDL window fullscreen (from INT_MIN to INT_MAX) (default 0) ADTS muxer AVOptions: -write_id3v2 E....... Enable ID3v2 tag writing (from 0 to 1) (default 0) -write_apetag E....... Enable APE tag writing (from 0 to 1) (default 0) AIFF muxer AVOptions: -write_id3v2 E....... Enable ID3 tags writing. (from 0 to 1) (default 0) -id3v2_version E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4) (default 4) APNG muxer AVOptions: -plays E....... Number of times to play the output: 0 - infinite loop, 1 - no loop (from 0 to UINT32_MAX) (default 1) -final_delay E....... Force delay after the last frame (from 0 to 65535) (default 0/1) ass muxer AVOptions: -ignore_readorder E....... write events immediately, even if they're out-of-order (from 0 to 1) (default 0) AST muxer AVOptions: -loopstart E....... Loopstart position in milliseconds. (from -1 to INT_MAX) (default -1) -loopend E....... Loopend position in milliseconds. (from 0 to INT_MAX) (default 0) AVI muxer AVOptions: -write_channel_mask E....... write channel mask into wave format header (default true) dash muxer AVOptions: -window_size E....... number of segments kept in the manifest (from 0 to INT_MAX) (default 0) -extra_window_size E....... number of segments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5) -min_seg_duration E....... minimum segment duration (in microseconds) (from 0 to INT_MAX) (default 5e+006) -remove_at_exit E....... remove all segments when finished (from 0 to 1) (default 0) -use_template E....... Use SegmentTemplate instead of SegmentList (from 0 to 1) (default 1) -use_timeline E....... Use SegmentTimeline in SegmentTemplate (from 0 to 1) (default 1) -single_file E....... Store all segments in one file, accessed using byte ranges (from 0 to 1) (default 0) -single_file_name E....... DASH-templated name to be used for baseURL. Implies storing all segments in one file, accessed using byte ranges -init_seg_name E....... DASH-templated name to used for the initialization segment (default "init-stream$RepresentationID$.m4s") -media_seg_name E....... DASH-templated name to used for the media segments (default "chunk-stream$RepresentationID$-$Number%05d$.m4s") f4v muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) flac muxer AVOptions: -write_header E....... Write the file header (from 0 to 1) (default 1) frame hash encoder class AVOptions: -hash E....... set hash to use (default "md5") -format_version E....... file format version (from 1 to 1) (default 1) GIF muxer AVOptions: -loop E....... Number of times to loop the output: -1 - no loop, 0 - infinite loop (from -1 to 65535) (default 0) -final_delay E....... Force delay (in centiseconds) after the last frame (from -1 to 65535) (default -1) HDS muxer AVOptions: -window_size E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0) -extra_window_size E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5) -min_frag_duration E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 1e+007) -remove_at_exit E....... remove all fragments when finished (from 0 to 1) (default 0) hls muxer AVOptions: -start_number E....... set first number in the sequence (from 0 to I64_MAX) (default 0) -hls_time E....... set segment length in seconds (from 0 to FLT_MAX) (default 2) -hls_list_size E....... set maximum number of playlist entries (from 0 to INT_MAX) (default 5) -hls_ts_options E....... set hls mpegts list of options for the container format used for hls -hls_vtt_options E....... set hls vtt list of options for the container format used for hls -hls_wrap E....... set number after which the index wraps (from 0 to INT_MAX) (default 0) -hls_allow_cache E....... explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments (from INT_MIN to INT_MAX) (default -1) -hls_base_url E....... url to prepend to each playlist entry -hls_segment_filename E....... filename template for segment files -hls_key_info_file E....... file with key URI and key file path -hls_subtitle_path E....... set path of hls subtitles -hls_flags E....... set flags affecting HLS playlist and media file generation (default 0) single_file E....... generate a single media file indexed with byte ranges delete_segments E....... delete segment files that are no longer part of the playlist round_durations E....... round durations in m3u8 to whole numbers discont_start E....... start the playlist with a discontinuity tag omit_endlist E....... Do not append an endlist when ending stream -use_localtime E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0) -method E....... set the HTTP method image2 muxer AVOptions: -updatefirst E....... continuously overwrite one file (from 0 to 1) (default 0) -update E....... continuously overwrite one file (from 0 to 1) (default 0) -start_number E....... set first number in the sequence (from 0 to INT_MAX) (default 1) -strftime E....... use strftime for filename (from 0 to 1) (default 0) ipod muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) ismv muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) LATM/LOAS muxer AVOptions: -smc-interval E....... StreamMuxConfig interval. (from 1 to 65535) (default 20) hash encoder class AVOptions: -hash E....... set hash to use (default "md5") -format_version E....... file format version (from 1 to 1) (default 1) matroska muxer AVOptions: -reserve_index_space E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0) -cluster_size_limit E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1) -cluster_time_limit E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1) -dash E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0) -dash_track_number E....... Track number for the DASH stream (from 0 to 127) (default 1) -live E....... Write files assuming it is a live stream. (from 0 to 1) (default 0) -allow_raw_vfw E....... allow RAW VFW mode (from 0 to 1) (default 0) matroska audio muxer AVOptions: -reserve_index_space E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0) -cluster_size_limit E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1) -cluster_time_limit E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1) -dash E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0) -dash_track_number E....... Track number for the DASH stream (from 0 to 127) (default 1) -live E....... Write files assuming it is a live stream. (from 0 to 1) (default 0) -allow_raw_vfw E....... allow RAW VFW mode (from 0 to 1) (default 0) mov muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) MP3 muxer AVOptions: -id3v2_version E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 0 to 4) (default 4) -write_id3v1 E....... Enable ID3v1 writing. ID3v1 tags are written in UTF-8 which may not be supported by most software. (from 0 to 1) (default 0) -write_xing E....... Write the Xing header containing file duration. (from 0 to 1) (default 1) mp4 muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) mpeg muxer AVOptions: -muxrate E....... (from 0 to 1.67772e+009) (default 0) -preload E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) vcd muxer AVOptions: -muxrate E....... (from 0 to 1.67772e+009) (default 0) -preload E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) dvd muxer AVOptions: -muxrate E....... (from 0 to 1.67772e+009) (default 0) -preload E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) svcd muxer AVOptions: -muxrate E....... (from 0 to 1.67772e+009) (default 0) -preload E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) vob muxer AVOptions: -muxrate E....... (from 0 to 1.67772e+009) (default 0) -preload E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) MPEGTS muxer AVOptions: -mpegts_transport_stream_id E....... Set transport_stream_id field. (from 1 to 65535) (default 1) -mpegts_original_network_id E....... Set original_network_id field. (from 1 to 65535) (default 1) -mpegts_service_id E....... Set service_id field. (from 1 to 65535) (default 1) -mpegts_service_type E....... Set service_type field. (from 1 to 255) (default digital_tv) digital_tv E....... Digital Television. digital_radio E....... Digital Radio. teletext E....... Teletext. advanced_codec_digital_radio E....... Advanced Codec Digital Radio. mpeg2_digital_hdtv E....... MPEG2 Digital HDTV. advanced_codec_digital_sdtv E....... Advanced Codec Digital SDTV. advanced_codec_digital_hdtv E....... Advanced Codec Digital HDTV. -mpegts_pmt_start_pid E....... Set the first pid of the PMT. (from 16 to 7936) (default 4096) -mpegts_start_pid E....... Set the first pid. (from 32 to 3840) (default 256) -mpegts_m2ts_mode E....... Enable m2ts mode. (from -1 to 1) (default -1) -muxrate E....... (from 0 to INT_MAX) (default 1) -pes_payload_size E....... Minimum PES packet payload in bytes (from 0 to INT_MAX) (default 2930) -mpegts_flags E....... MPEG-TS muxing flags (default 0) resend_headers E....... Reemit PAT/PMT before writing the next packet latm E....... Use LATM packetization for AAC pat_pmt_at_frames E....... Reemit PAT and PMT at each video frame -resend_headers E....... Reemit PAT/PMT before writing the next packet (from 0 to INT_MAX) (default 0) -mpegts_copyts E....... don't offset dts/pts (from -1 to 1) (default -1) -tables_version E....... set PAT, PMT and SDT version (from 0 to 31) (default 0) -omit_video_pes_length E....... Omit the PES packet length for video packets (from 0 to 1) (default 1) -pcr_period E....... PCR retransmission time (from 0 to INT_MAX) (default 20) -pat_period E....... PAT/PMT retransmission time limit in seconds (from 0 to INT_MAX) (default INT_MAX) -sdt_period E....... SDT retransmission time limit in seconds (from 0 to INT_MAX) (default INT_MAX) mpjpeg_muxer AVOptions: -boundary_tag E....... Boundary tag (default "ffserver") MXF muxer AVOptions: -signal_standard E....... Force/set Sigal Standard (from -1 to 7) (default -1) bt601 E....... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced) bt1358 E....... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive) smpte347m E....... SMPTE 347M (540 Mbps mappings) smpte274m E....... SMPTE 274M (1125 line) smpte296m E....... SMPTE 296M (750 line progressive) smpte349m E....... SMPTE 349M (1485 Mbps mappings) smpte428 E....... SMPTE 428-1 DCDM MXF-D10 muxer AVOptions: -d10_channelcount E....... Force/set channelcount in generic sound essence descriptor (from -1 to 8) (default -1) -signal_standard E....... Force/set Sigal Standard (from -1 to 7) (default -1) bt601 E....... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced) bt1358 E....... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive) smpte347m E....... SMPTE 347M (540 Mbps mappings) smpte274m E....... SMPTE 274M (1125 line) smpte296m E....... SMPTE 296M (750 line progressive) smpte349m E....... SMPTE 349M (1485 Mbps mappings) smpte428 E....... SMPTE 428-1 DCDM MXF-OPAtom muxer AVOptions: -mxf_audio_edit_rate E....... Audio edit rate for timecode (from 0 to INT_MAX) (default 25/1) -signal_standard E....... Force/set Sigal Standard (from -1 to 7) (default -1) bt601 E....... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced) bt1358 E....... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive) smpte347m E....... SMPTE 347M (540 Mbps mappings) smpte274m E....... SMPTE 274M (1125 line) smpte296m E....... SMPTE 296M (750 line progressive) smpte349m E....... SMPTE 349M (1485 Mbps mappings) smpte428 E....... SMPTE 428-1 DCDM nutenc AVOptions: -syncpoints E....... NUT syncpoint behaviour (default 0) default E....... none E....... Disable syncpoints, low overhead and unseekable timestamped E....... Extend syncpoints with a wallclock timestamp -write_index E....... Write index (from 0 to 1) (default 1) Ogg audio muxer AVOptions: -serial_offset E....... serial number offset (from 0 to INT_MAX) (default 0) -oggpagesize E....... Set preferred Ogg page size. (from 0 to 65025) (default 0) -pagesize E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0) -page_duration E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+006) Ogg muxer AVOptions: -serial_offset E....... serial number offset (from 0 to INT_MAX) (default 0) -oggpagesize E....... Set preferred Ogg page size. (from 0 to 65025) (default 0) -pagesize E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0) -page_duration E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+006) Ogg Opus muxer AVOptions: -serial_offset E....... serial number offset (from 0 to INT_MAX) (default 0) -oggpagesize E....... Set preferred Ogg page size. (from 0 to 65025) (default 0) -pagesize E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0) -page_duration E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+006) psp muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) RTP muxer AVOptions: -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -payload_type E....... Specify RTP payload type (from -1 to 127) (default -1) -ssrc E....... Stream identifier (from INT_MIN to INT_MAX) (default 0) -cname E....... CNAME to include in RTCP SR packets -seq E....... Starting sequence number (from -1 to 65535) (default -1) RTSP muxer AVOptions: -initial_pause .D...... do not start playing the stream immediately (from 0 to 1) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -rtsp_transport ED...... set RTSP transport protocols (default 0) udp ED...... UDP tcp ED...... TCP udp_multicast .D...... UDP multicast http .D...... HTTP tunneling -rtsp_flags .D...... set RTSP flags (default 0) filter_src .D...... only receive packets from the negotiated peer IP listen .D...... wait for incoming connections prefer_tcp ED...... try RTP via TCP first, if available -allowed_media_types .D...... set media types to accept from the server (default video+audio+data+subtitle) video .D...... Video audio .D...... Audio data .D...... Data subtitle .D...... Subtitle -min_port ED...... set minimum local UDP port (from 0 to 65535) (default 5000) -max_port ED...... set maximum local UDP port (from 0 to 65535) (default 65000) -timeout .D...... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1) -stimeout .D...... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0) -reorder_queue_size .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) -buffer_size ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1) -user-agent .D...... override User-Agent header (default "Lavf57.11.100") segment muxer AVOptions: -reference_stream E....... set reference stream (default "auto") -segment_format E....... set container format used for the segments -segment_format_options E....... set list of options for the container format used for the segments -segment_list E....... set the segment list filename -segment_header_filename E....... write a single file containing the header -segment_list_flags E....... set flags affecting segment list generation (default cache) cache E....... allow list caching live E....... enable live-friendly list generation (useful for HLS) -segment_list_size E....... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0) -segment_list_type E....... set the segment list type (from -1 to 4) (default -1) flat E....... flat format csv E....... csv format ext E....... extended format ffconcat E....... ffconcat format m3u8 E....... M3U8 format hls E....... Apple HTTP Live Streaming compatible -segment_atclocktime E....... set segment to be cut at clocktime (from 0 to 1) (default 0) -segment_time E....... set segment duration -segment_time_delta E....... set approximation value used for the segment times (default 0) -segment_times E....... set segment split time points -segment_frames E....... set segment split frame numbers -segment_wrap E....... set number after which the index wraps (from 0 to INT_MAX) (default 0) -segment_list_entry_prefix E....... set base url prefix for segments -segment_start_number E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0) -segment_wrap_number E....... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0) -strftime E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0) -break_non_keyframes E....... allow breaking segments on non-keyframes (from 0 to 1) (default 0) -individual_header_trailer E....... write header/trailer to each segment (from 0 to 1) (default 1) -write_header_trailer E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1) -reset_timestamps E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0) -initial_offset E....... set initial timestamp offset (default 0) stream_segment muxer AVOptions: -reference_stream E....... set reference stream (default "auto") -segment_format E....... set container format used for the segments -segment_format_options E....... set list of options for the container format used for the segments -segment_list E....... set the segment list filename -segment_header_filename E....... write a single file containing the header -segment_list_flags E....... set flags affecting segment list generation (default cache) cache E....... allow list caching live E....... enable live-friendly list generation (useful for HLS) -segment_list_size E....... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0) -segment_list_type E....... set the segment list type (from -1 to 4) (default -1) flat E....... flat format csv E....... csv format ext E....... extended format ffconcat E....... ffconcat format m3u8 E....... M3U8 format hls E....... Apple HTTP Live Streaming compatible -segment_atclocktime E....... set segment to be cut at clocktime (from 0 to 1) (default 0) -segment_time E....... set segment duration -segment_time_delta E....... set approximation value used for the segment times (default 0) -segment_times E....... set segment split time points -segment_frames E....... set segment split frame numbers -segment_wrap E....... set number after which the index wraps (from 0 to INT_MAX) (default 0) -segment_list_entry_prefix E....... set base url prefix for segments -segment_start_number E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0) -segment_wrap_number E....... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0) -strftime E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0) -break_non_keyframes E....... allow breaking segments on non-keyframes (from 0 to 1) (default 0) -individual_header_trailer E....... write header/trailer to each segment (from 0 to 1) (default 1) -write_header_trailer E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1) -reset_timestamps E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0) -initial_offset E....... set initial timestamp offset (default 0) smooth streaming muxer AVOptions: -window_size E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0) -extra_window_size E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5) -lookahead_count E....... number of lookahead fragments (from 0 to INT_MAX) (default 2) -min_frag_duration E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 5e+006) -remove_at_exit E....... remove all fragments when finished (from 0 to 1) (default 0) Ogg Speex muxer AVOptions: -serial_offset E....... serial number offset (from 0 to INT_MAX) (default 0) -oggpagesize E....... Set preferred Ogg page size. (from 0 to 65025) (default 0) -pagesize E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0) -page_duration E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+006) spdif AVOptions: -spdif_flags E....... IEC 61937 encapsulation flags (default 0) be E....... output in big-endian format (for use as s16be) -dtshd_rate E....... mux complete DTS frames in HD mode at the specified IEC958 rate (in Hz, default 0=disabled) (from 0 to 768000) (default 0) -dtshd_fallback_time E....... min secs to strip HD for after an overflow (-1: till the end, default 60) (from -1 to INT_MAX) (default 60) tg2 muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) tgp muxer AVOptions: -movflags E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty frag_keyframe E....... Fragment at video keyframes separate_moof E....... Write separate moof/mdat atoms for each track frag_custom E....... Flush fragments on caller requests isml E....... Create a live smooth streaming feed (for pushing to a publishing point) faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file omit_tfhd_offset E....... Omit the base data offset in tfhd atoms disable_chpl E....... Disable Nero chapter atom default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms dash E....... Write DASH compatible fragmented MP4 frag_discont E....... Signal that the next fragment is discontinuous from earlier ones delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush global_sidx E....... Write a global sidx index at the start of the file write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts) write_gama E....... Write deprecated gama atom -moov_size E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags E....... RTP muxer flags (default 0) latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263 skip_rtcp E....... Don't send RTCP sender reports h264_mode0 E....... Use mode 0 for H264 in RTP send_bye E....... Send RTCP BYE packets when finishing -skip_iods E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -video_track_timescale E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand E....... Override major brand -use_editlist E....... use edit list (from -1 to 1) (default -1) -fragment_index E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1) -mov_gamma E....... gamma value for gama atom (from 0 to 10) (default 0) -frag_interleave E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0) WAV muxer AVOptions: -write_bext E....... Write BEXT chunk. (default false) -write_peak E....... Write Peak Envelope chunk. (from 0 to 2) (default off) off E....... Do not write peak chunk. on E....... Append peak chunk after wav data. only E....... Write only peak chunk, omit wav data. -rf64 E....... Use RF64 header rather than RIFF for large files. (from -1 to 1) (default never) auto E....... Write RF64 header if file grows large enough. always E....... Always write RF64 header regardless of file size. never E....... Never write RF64 header regardless of file size. -peak_block_size E....... Number of audio samples used to generate each peak frame. (from 0 to 65536) (default 256) -peak_format E....... The format of the peak envelope data (1: uint8, 2: uint16). (from 1 to 2) (default 2) -peak_ppv E....... Number of peak points per peak value (1 or 2). (from 1 to 2) (default 2) webm muxer AVOptions: -reserve_index_space E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0) -cluster_size_limit E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1) -cluster_time_limit E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1) -dash E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0) -dash_track_number E....... Track number for the DASH stream (from 0 to 127) (default 1) -live E....... Write files assuming it is a live stream. (from 0 to 1) (default 0) -allow_raw_vfw E....... allow RAW VFW mode (from 0 to 1) (default 0) WebM DASH Manifest muxer AVOptions: -adaptation_sets E....... Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on -debug_mode E....... [private option - users should never set this]. set this to 1 to create deterministic output (from 0 to 1) (default 0) -live E....... set this to 1 to create a live stream manifest (from 0 to 1) (default 0) -chunk_start_index E....... start index of the chunk (from 0 to INT_MAX) (default 0) -chunk_duration_ms E....... duration of each chunk (in milliseconds) (from 0 to INT_MAX) (default 1000) -utc_timing_url E....... URL of the page that will return the UTC timestamp in ISO format -time_shift_buffer_depth E....... Smallest time (in seconds) shifting buffer for which any Representation is guaranteed to be available. (from 1 to DBL_MAX) (default 60) -minimum_update_period E....... Minimum Update Period (in seconds) of the manifest. (from 0 to INT_MAX) (default 0) WebM Chunk Muxer AVOptions: -chunk_start_index E....... start index of the chunk (from 0 to INT_MAX) (default 0) -header E....... filename of the header where the initialization data will be written -audio_chunk_duration E....... duration of each chunk in milliseconds (from 0 to INT_MAX) (default 5000) WebP muxer AVOptions: -loop E....... Number of times to loop the output: 0 - infinite loop (from 0 to 65535) (default 1) SWScaler AVOptions: -sws_flags E..V.... scaler flags (default bicubic) fast_bilinear E..V.... fast bilinear bilinear E..V.... bilinear bicubic E..V.... bicubic experimental E..V.... experimental neighbor E..V.... nearest neighbor area E..V.... averaging area bicublin E..V.... luma bicubic, chroma bilinear gauss E..V.... Gaussian sinc E..V.... sinc lanczos E..V.... Lanczos spline E..V.... natural bicubic spline print_info E..V.... print info accurate_rnd E..V.... accurate rounding full_chroma_int E..V.... full chroma interpolation full_chroma_inp E..V.... full chroma input bitexact E..V.... error_diffusion E..V.... error diffusion dither -srcw E..V.... source width (from 1 to INT_MAX) (default 16) -srch E..V.... source height (from 1 to INT_MAX) (default 16) -dstw E..V.... destination width (from 1 to INT_MAX) (default 16) -dsth E..V.... destination height (from 1 to INT_MAX) (default 16) -src_format E..V.... source format (from 0 to 334) (default 0) -dst_format E..V.... destination format (from 0 to 334) (default 0) -src_range E..V.... source range (from 0 to 1) (default 0) -dst_range E..V.... destination range (from 0 to 1) (default 0) -param0 E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456) -param1 E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456) -src_v_chr_pos E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513) -src_h_chr_pos E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) -dst_v_chr_pos E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513) -dst_h_chr_pos E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) -sws_dither E..V.... set dithering algorithm (from 0 to 6) (default auto) auto E..V.... leave choice to sws bayer E..V.... bayer dither ed E..V.... error diffusion a_dither E..V.... arithmetic addition dither x_dither E..V.... arithmetic xor dither -gamma E..V.... gamma correct scaling (default false) -alphablend E..V.... mode for alpha -> non alpha (from 0 to 2) (default none) none E..V.... ignore alpha uniform_color E..V.... blend onto a uniform color checkerboard E..V.... blend onto a checkerboard SWResampler AVOptions: -ich ....A... set input channel count (from 0 to 64) (default 0) -in_channel_count ....A... set input channel count (from 0 to 64) (default 0) -och ....A... set output channel count (from 0 to 64) (default 0) -out_channel_count ....A... set output channel count (from 0 to 64) (default 0) -uch ....A... set used channel count (from 0 to 64) (default 0) -used_channel_count ....A... set used channel count (from 0 to 64) (default 0) -isr ....A... set input sample rate (from 0 to INT_MAX) (default 0) -in_sample_rate ....A... set input sample rate (from 0 to INT_MAX) (default 0) -osr ....A... set output sample rate (from 0 to INT_MAX) (default 0) -out_sample_rate ....A... set output sample rate (from 0 to INT_MAX) (default 0) -isf ....A... set input sample format (default none) -in_sample_fmt ....A... set input sample format (default none) -osf ....A... set output sample format (default none) -out_sample_fmt ....A... set output sample format (default none) -tsf ....A... set internal sample format (default none) -internal_sample_fmt ....A... set internal sample format (default none) -icl ....A... set input channel layout (default 0x0) -in_channel_layout ....A... set input channel layout (default 0x0) -ocl ....A... set output channel layout (default 0x0) -out_channel_layout ....A... set output channel layout (default 0x0) -clev ....A... set center mix level (from -32 to 32) (default 0.707107) -center_mix_level ....A... set center mix level (from -32 to 32) (default 0.707107) -slev ....A... set surround mix level (from -32 to 32) (default 0.707107) -surround_mix_level ....A... set surround mix Level (from -32 to 32) (default 0.707107) -lfe_mix_level ....A... set LFE mix level (from -32 to 32) (default 0) -rmvol ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_volume ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_maxval ....A... set rematrix maxval (from 0 to 1000) (default 0) -flags ....A... set flags (default 0) res ....A... force resampling -swr_flags ....A... set flags (default 0) res ....A... force resampling -dither_scale ....A... set dither scale (from 0 to INT_MAX) (default 1) -dither_method ....A... set dither method (from 0 to 71) (default 0) rectangular ....A... select rectangular dither triangular ....A... select triangular dither triangular_hp ....A... select triangular dither with high pass lipshitz ....A... select Lipshitz noise shaping dither shibata ....A... select Shibata noise shaping dither low_shibata ....A... select low Shibata noise shaping dither high_shibata ....A... select high Shibata noise shaping dither f_weighted ....A... select f-weighted noise shaping dither modified_e_weighted ....A... select modified-e-weighted noise shaping dither improved_e_weighted ....A... select improved-e-weighted noise shaping dither -filter_size ....A... set swr resampling filter size (from 0 to INT_MAX) (default 32) -phase_shift ....A... set swr resampling phase shift (from 0 to 24) (default 10) -linear_interp ....A... enable linear interpolation (from 0 to 1) (default 0) -cutoff ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resample_cutoff ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resampler ....A... set resampling Engine (from 0 to 1) (default swr) swr ....A... select SW Resampler soxr ....A... select SoX Resampler -precision ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20) -cheby ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0) -min_comp ....A... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from 0 to FLT_MAX) (default FLT_MAX) -min_hard_comp ....A... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from 0 to INT_MAX) (default 0.1) -comp_duration ....A... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from 0 to INT_MAX) (default 1) -max_soft_comp ....A... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default 0) -async ....A... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0) -first_pts ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN) -matrix_encoding ....A... set matrixed stereo encoding (from 0 to 6) (default none) none ....A... select none dolby ....A... select Dolby dplii ....A... select Dolby Pro Logic II -filter_type ....A... select swr filter type (from 0 to 2) (default kaiser) cubic ....A... select cubic blackman_nuttall ....A... select Blackman Nuttall windowed sinc kaiser ....A... select Kaiser windowed sinc -kaiser_beta ....A... set swr Kaiser window beta (from 2 to 16) (default 9) -output_sample_bits ....A... set swr number of output sample bits (from 0 to 64) (default 0) AVFilter AVOptions: thread_type ..F..... Allowed thread types (default slice) enable ..F..... set enable expression acrossfade AVOptions: nb_samples ..F.A... set number of samples for cross fade duration (from 1 to 2.14748e+008) (default 44100) ns ..F.A... set number of samples for cross fade duration (from 1 to 2.14748e+008) (default 44100) duration ..F.A... set cross fade duration (default 0) d ..F.A... set cross fade duration (default 0) overlap ..F.A... overlap 1st stream end with 2nd stream start (default true) o ..F.A... overlap 1st stream end with 2nd stream start (default true) curve1 ..F.A... set fade curve type for 1st stream (from 0 to 15) (default tri) tri ..F.A... linear slope qsin ..F.A... quarter of sine wave esin ..F.A... exponential sine wave hsin ..F.A... half of sine wave log ..F.A... logarithmic ipar ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root par ..F.A... parabola exp ..F.A... exponential iqsin ..F.A... inverted quarter of sine wave ihsin ..F.A... inverted half of sine wave dese ..F.A... double-exponential seat desi ..F.A... double-exponential sigmoid c1 ..F.A... set fade curve type for 1st stream (from 0 to 15) (default tri) tri ..F.A... linear slope qsin ..F.A... quarter of sine wave esin ..F.A... exponential sine wave hsin ..F.A... half of sine wave log ..F.A... logarithmic ipar ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root par ..F.A... parabola exp ..F.A... exponential iqsin ..F.A... inverted quarter of sine wave ihsin ..F.A... inverted half of sine wave dese ..F.A... double-exponential seat desi ..F.A... double-exponential sigmoid curve2 ..F.A... set fade curve type for 2nd stream (from 0 to 15) (default tri) tri ..F.A... linear slope qsin ..F.A... quarter of sine wave esin ..F.A... exponential sine wave hsin ..F.A... half of sine wave log ..F.A... logarithmic ipar ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root par ..F.A... parabola exp ..F.A... exponential iqsin ..F.A... inverted quarter of sine wave ihsin ..F.A... inverted half of sine wave dese ..F.A... double-exponential seat desi ..F.A... double-exponential sigmoid c2 ..F.A... set fade curve type for 2nd stream (from 0 to 15) (default tri) tri ..F.A... linear slope qsin ..F.A... quarter of sine wave esin ..F.A... exponential sine wave hsin ..F.A... half of sine wave log ..F.A... logarithmic ipar ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root par ..F.A... parabola exp ..F.A... exponential iqsin ..F.A... inverted quarter of sine wave ihsin ..F.A... inverted half of sine wave dese ..F.A... double-exponential seat desi ..F.A... double-exponential sigmoid adelay AVOptions: delays ..F.A... set list of delays for each channel aecho AVOptions: in_gain ..F.A... set signal input gain (from 0 to 1) (default 0.6) out_gain ..F.A... set signal output gain (from 0 to 1) (default 0.3) delays ..F.A... set list of signal delays (default "1000") decays ..F.A... set list of signal decays (default "0.5") aeval AVOptions: exprs ..F.A... set the '|'-separated list of channels expressions channel_layout ..F.A... set channel layout c ..F.A... set channel layout afade AVOptions: type ..F.A... set the fade direction (from 0 to 1) (default in) in ..F.A... fade-in out ..F.A... fade-out t ..F.A... set the fade direction (from 0 to 1) (default in) in ..F.A... fade-in out ..F.A... fade-out start_sample ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0) ss ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0) nb_samples ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100) ns ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100) start_time ..F.A... set time to start fading (default 0) st ..F.A... set time to start fading (default 0) duration ..F.A... set fade duration (default 0) d ..F.A... set fade duration (default 0) curve ..F.A... set fade curve type (from 0 to 15) (default tri) tri ..F.A... linear slope qsin ..F.A... quarter of sine wave esin ..F.A... exponential sine wave hsin ..F.A... half of sine wave log ..F.A... logarithmic ipar ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root par ..F.A... parabola exp ..F.A... exponential iqsin ..F.A... inverted quarter of sine wave ihsin ..F.A... inverted half of sine wave dese ..F.A... double-exponential seat desi ..F.A... double-exponential sigmoid c ..F.A... set fade curve type (from 0 to 15) (default tri) tri ..F.A... linear slope qsin ..F.A... quarter of sine wave esin ..F.A... exponential sine wave hsin ..F.A... half of sine wave log ..F.A... logarithmic ipar ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root par ..F.A... parabola exp ..F.A... exponential iqsin ..F.A... inverted quarter of sine wave ihsin ..F.A... inverted half of sine wave dese ..F.A... double-exponential seat desi ..F.A... double-exponential sigmoid aformat AVOptions: sample_fmts ..F.A... A comma-separated list of sample formats. sample_rates ..F.A... A comma-separated list of sample rates. channel_layouts ..F.A... A comma-separated list of channel layouts. agate AVOptions: level_in ..F.A... set input level (from 0.015625 to 64) (default 1) range ..F.A... set max gain reduction (from 0 to 1) (default 0.06125) threshold ..F.A... set threshold (from 0 to 1) (default 0.125) ratio ..F.A... set ratio (from 1 to 9000) (default 2) attack ..F.A... set attack (from 0.01 to 9000) (default 20) release ..F.A... set release (from 0.01 to 9000) (default 250) makeup ..F.A... set makeup gain (from 1 to 64) (default 1) knee ..F.A... set knee (from 1 to 8) (default 2.82843) detection ..F.A... set detection (from 0 to 1) (default peak) peak ..F.A... rms ..F.A... link ..F.A... set link (from 0 to 1) (default average) average ..F.A... maximum ..F.A... ainterleave AVOptions: nb_inputs ..F.A... set number of inputs (from 1 to INT_MAX) (default 2) n ..F.A... set number of inputs (from 1 to INT_MAX) (default 2) alimiter AVOptions: limit ..F.A... set limit (from 0.0625 to 1) (default 1) attack ..F.A... set attack (from 0.1 to 80) (default 5) release ..F.A... set release (from 1 to 8000) (default 50) asc ..F.A... enable asc (default false) asc_level ..F.A... set asc level (from 0 to 1) (default 0.5) allpass AVOptions: frequency ..F.A... set central frequency (from 0 to 999999) (default 3000) f ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type ..F.A... set filter-width type (from 1 to 4) (default h) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set filter-width (from 0 to 99999) (default 707.1) w ..F.A... set filter-width (from 0 to 99999) (default 707.1) amerge AVOptions: inputs ..F.A... specify the number of inputs (from 2 to 64) (default 2) amix AVOptions: inputs ..F.A... Number of inputs. (from 1 to 32) (default 2) duration ..F.A... How to determine the end-of-stream. (from 0 to 2) (default longest) longest ..F.A... Duration of longest input. shortest ..F.A... Duration of shortest input. first ..F.A... Duration of first input. dropout_transition ..F.A... Transition time, in seconds, for volume renormalization when an input stream ends. (from 0 to INT_MAX) (default 2) apad AVOptions: packet_size ..F.A... set silence packet size (from 0 to INT_MAX) (default 4096) pad_len ..F.A... set number of samples of silence to add (from -1 to I64_MAX) (default -1) whole_len ..F.A... set minimum target number of samples in the audio stream (from -1 to I64_MAX) (default -1) aperms AVOptions: mode ..FVA... select permissions mode (from 0 to 4) (default none) none ..FVA... do nothing ro ..FVA... set all output frames read-only rw ..FVA... set all output frames writable toggle ..FVA... switch permissions random ..FVA... set permissions randomly seed ..FVA... set the seed for the random mode (from -1 to UINT32_MAX) (default -1) aphaser AVOptions: in_gain ..F.A... set input gain (from 0 to 1) (default 0.4) out_gain ..F.A... set output gain (from 0 to 1e+009) (default 0.74) delay ..F.A... set delay in milliseconds (from 0 to 5) (default 3) decay ..F.A... set decay (from 0 to 0.99) (default 0.4) speed ..F.A... set modulation speed (from 0.1 to 2) (default 0.5) type ..F.A... set modulation type (from 0 to 1) (default triangular) triangular ..F.A... t ..F.A... sinusoidal ..F.A... s ..F.A... aresample AVOptions: sample_rate ..F.A... (from 0 to INT_MAX) (default 0) SWResampler AVOptions: -ich ....A... set input channel count (from 0 to 64) (default 0) -in_channel_count ....A... set input channel count (from 0 to 64) (default 0) -och ....A... set output channel count (from 0 to 64) (default 0) -out_channel_count ....A... set output channel count (from 0 to 64) (default 0) -uch ....A... set used channel count (from 0 to 64) (default 0) -used_channel_count ....A... set used channel count (from 0 to 64) (default 0) -isr ....A... set input sample rate (from 0 to INT_MAX) (default 0) -in_sample_rate ....A... set input sample rate (from 0 to INT_MAX) (default 0) -osr ....A... set output sample rate (from 0 to INT_MAX) (default 0) -out_sample_rate ....A... set output sample rate (from 0 to INT_MAX) (default 0) -isf ....A... set input sample format (default none) -in_sample_fmt ....A... set input sample format (default none) -osf ....A... set output sample format (default none) -out_sample_fmt ....A... set output sample format (default none) -tsf ....A... set internal sample format (default none) -internal_sample_fmt ....A... set internal sample format (default none) -icl ....A... set input channel layout (default 0x0) -in_channel_layout ....A... set input channel layout (default 0x0) -ocl ....A... set output channel layout (default 0x0) -out_channel_layout ....A... set output channel layout (default 0x0) -clev ....A... set center mix level (from -32 to 32) (default 0.707107) -center_mix_level ....A... set center mix level (from -32 to 32) (default 0.707107) -slev ....A... set surround mix level (from -32 to 32) (default 0.707107) -surround_mix_level ....A... set surround mix Level (from -32 to 32) (default 0.707107) -lfe_mix_level ....A... set LFE mix level (from -32 to 32) (default 0) -rmvol ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_volume ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_maxval ....A... set rematrix maxval (from 0 to 1000) (default 0) -flags ....A... set flags (default 0) res ....A... force resampling -swr_flags ....A... set flags (default 0) res ....A... force resampling -dither_scale ....A... set dither scale (from 0 to INT_MAX) (default 1) -dither_method ....A... set dither method (from 0 to 71) (default 0) rectangular ....A... select rectangular dither triangular ....A... select triangular dither triangular_hp ....A... select triangular dither with high pass lipshitz ....A... select Lipshitz noise shaping dither shibata ....A... select Shibata noise shaping dither low_shibata ....A... select low Shibata noise shaping dither high_shibata ....A... select high Shibata noise shaping dither f_weighted ....A... select f-weighted noise shaping dither modified_e_weighted ....A... select modified-e-weighted noise shaping dither improved_e_weighted ....A... select improved-e-weighted noise shaping dither -filter_size ....A... set swr resampling filter size (from 0 to INT_MAX) (default 32) -phase_shift ....A... set swr resampling phase shift (from 0 to 24) (default 10) -linear_interp ....A... enable linear interpolation (from 0 to 1) (default 0) -cutoff ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resample_cutoff ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resampler ....A... set resampling Engine (from 0 to 1) (default swr) swr ....A... select SW Resampler soxr ....A... select SoX Resampler -precision ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20) -cheby ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0) -min_comp ....A... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from 0 to FLT_MAX) (default FLT_MAX) -min_hard_comp ....A... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from 0 to INT_MAX) (default 0.1) -comp_duration ....A... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from 0 to INT_MAX) (default 1) -max_soft_comp ....A... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default 0) -async ....A... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0) -first_pts ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN) -matrix_encoding ....A... set matrixed stereo encoding (from 0 to 6) (default none) none ....A... select none dolby ....A... select Dolby dplii ....A... select Dolby Pro Logic II -filter_type ....A... select swr filter type (from 0 to 2) (default kaiser) cubic ....A... select cubic blackman_nuttall ....A... select Blackman Nuttall windowed sinc kaiser ....A... select Kaiser windowed sinc -kaiser_beta ....A... set swr Kaiser window beta (from 2 to 16) (default 9) -output_sample_bits ....A... set swr number of output sample bits (from 0 to 64) (default 0) aselect AVOptions: expr ..F.A... set an expression to use for selecting frames (default "1") e ..F.A... set an expression to use for selecting frames (default "1") outputs ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1) n ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1) asendcmd AVOptions: commands ..FVA... set commands c ..FVA... set commands filename ..FVA... set commands file f ..FVA... set commands file asetnsamples AVOptions: nb_out_samples ..F.A... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024) n ..F.A... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024) pad ..F.A... pad last frame with zeros (default true) p ..F.A... pad last frame with zeros (default true) asetpts AVOptions: expr ..FVA... Expression determining the frame timestamp (default "PTS") asetrate AVOptions: sample_rate ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) r ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) asettb AVOptions: expr ..F.A... set expression determining the output timebase (default "intb") tb ..F.A... set expression determining the output timebase (default "intb") asplit AVOptions: -outputs ...VA... set number of outputs (from 1 to INT_MAX) (default 2) astats AVOptions: length ..F.A... set the window length (from 0.01 to 10) (default 0.05) metadata ..F.A... inject metadata in the filtergraph (default false) reset ..F.A... recalculate stats after this many frames (from 0 to INT_MAX) (default 0) astreamsync AVOptions: expr ..F.A... set stream selection expression (default "t1-t2") e ..F.A... set stream selection expression (default "t1-t2") atempo AVOptions: tempo ..F.A... set tempo scale factor (from 0.5 to 2) (default 1) atrim AVOptions: starti ..F.A... Timestamp of the first frame that should be passed (default I64_MAX) endi ..F.A... Timestamp of the first frame that should be dropped again (default I64_MAX) start_pts ..F.A... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN) end_pts ..F.A... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN) durationi ..F.A... Maximum duration of the output (default 0) start_sample ..F.A... Number of the first audio sample that should be passed to the output (from -1 to I64_MAX) (default -1) end_sample ..F.A... Number of the first audio sample that should be dropped again (from 0 to I64_MAX) (default I64_MAX) start ..F.A... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX) end ..F.A... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX) duration ..F.A... Maximum duration of the output in seconds (from 0 to DBL_MAX) (default 0) bandpass AVOptions: frequency ..F.A... set central frequency (from 0 to 999999) (default 3000) f ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type ..F.A... set filter-width type (from 1 to 4) (default q) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set band-width (from 0 to 999) (default 0.5) w ..F.A... set band-width (from 0 to 999) (default 0.5) csg ..F.A... use constant skirt gain (default false) bandreject AVOptions: frequency ..F.A... set central frequency (from 0 to 999999) (default 3000) f ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type ..F.A... set filter-width type (from 1 to 4) (default q) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set band-width (from 0 to 999) (default 0.5) w ..F.A... set band-width (from 0 to 999) (default 0.5) bass AVOptions: frequency ..F.A... set central frequency (from 0 to 999999) (default 100) f ..F.A... set central frequency (from 0 to 999999) (default 100) width_type ..F.A... set filter-width type (from 1 to 4) (default q) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) w ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) gain ..F.A... set gain (from -900 to 900) (default 0) g ..F.A... set gain (from -900 to 900) (default 0) biquad AVOptions: a0 ..F.A... (from -32768 to 32767) (default 1) a1 ..F.A... (from -32768 to 32767) (default 1) a2 ..F.A... (from -32768 to 32767) (default 1) b0 ..F.A... (from -32768 to 32767) (default 1) b1 ..F.A... (from -32768 to 32767) (default 1) b2 ..F.A... (from -32768 to 32767) (default 1) bs2b AVOptions: -profile ....A... Apply a pre-defined crossfeed level (from 0 to INT_MAX) (default default) default ....A... default profile cmoy ....A... Chu Moy circuit jmeier ....A... Jan Meier circuit -fcut ....A... Set cut frequency (in Hz) (from 0 to 2000) (default 0) -feed ....A... Set feed level (in Hz) (from 0 to 150) (default 0) channelmap AVOptions: map ..F.A... A comma-separated list of input channel numbers in output order. channel_layout ..F.A... Output channel layout. channelsplit AVOptions: channel_layout ..F.A... Input channel layout. (default "stereo") chorus AVOptions: in_gain ..F.A... set input gain (from 0 to 1) (default 0.4) out_gain ..F.A... set output gain (from 0 to 1) (default 0.4) delays ..F.A... set delays decays ..F.A... set decays speeds ..F.A... set speeds depths ..F.A... set depths compand AVOptions: attacks ..F.A... set time over which increase of volume is determined (default "0.3") decays ..F.A... set time over which decrease of volume is determined (default "0.8") points ..F.A... set points of transfer function (default "-70/-70|-60/-20") soft-knee ..F.A... set soft-knee (from 0.01 to 900) (default 0.01) gain ..F.A... set output gain (from -900 to 900) (default 0) volume ..F.A... set initial volume (from -900 to 0) (default 0) delay ..F.A... set delay for samples before sending them to volume adjuster (from 0 to 20) (default 0) dcshift AVOptions: shift ..F.A... set DC shift (from -1 to 1) (default 0) limitergain ..F.A... set limiter gain (from 0 to 1) (default 0) dynaudnorm AVOptions: f ..F.A... set the frame length in msec (from 10 to 8000) (default 500) g ..F.A... set the filter size (from 3 to 301) (default 31) p ..F.A... set the peak value (from 0 to 1) (default 0.95) m ..F.A... set the max amplification (from 1 to 100) (default 10) r ..F.A... set the target RMS (from 0 to 1) (default 0) n ..F.A... set channel coupling (default true) c ..F.A... set DC correction (default false) b ..F.A... set alternative boundary mode (default false) s ..F.A... set the compress factor (from 0 to 30) (default 0) ebur128 AVOptions: video ..FV.... set video output (default false) size ..FV.... set video size (default "640x480") meter ..FV.... set scale meter (+9 to +18) (from 9 to 18) (default 9) framelog ..FVA... force frame logging level (from INT_MIN to INT_MAX) (default -1) info ..FVA... information logging level verbose ..FVA... verbose logging level metadata ..FVA... inject metadata in the filtergraph (default false) peak ..F.A... set peak mode (default 0) none ..F.A... disable any peak mode sample ..F.A... enable peak-sample mode true ..F.A... enable true-peak mode dualmono ..F.A... treat mono input files as dual-mono (default false) panlaw ..F.A... set a specific pan law for dual-mono files (from -10 to 0) (default -3.0103) equalizer AVOptions: frequency ..F.A... set central frequency (from 0 to 999999) (default 0) f ..F.A... set central frequency (from 0 to 999999) (default 0) width_type ..F.A... set filter-width type (from 1 to 4) (default q) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set band-width (from 0 to 999) (default 1) w ..F.A... set band-width (from 0 to 999) (default 1) gain ..F.A... set gain (from -900 to 900) (default 0) g ..F.A... set gain (from -900 to 900) (default 0) extrastereo AVOptions: m ..F.A... set the difference coefficient (from -10 to 10) (default 2.5) c ..F.A... enable clipping (default true) flanger AVOptions: delay ..F.A... base delay in milliseconds (from 0 to 30) (default 0) depth ..F.A... added swept delay in milliseconds (from 0 to 10) (default 2) regen ..F.A... percentage regeneration (delayed signal feedback) (from -95 to 95) (default 0) width ..F.A... percentage of delayed signal mixed with original (from 0 to 100) (default 71) speed ..F.A... sweeps per second (Hz) (from 0.1 to 10) (default 0.5) shape ..F.A... swept wave shape (from 0 to 1) (default sinusoidal) triangular ..F.A... t ..F.A... sinusoidal ..F.A... s ..F.A... phase ..F.A... swept wave percentage phase-shift for multi-channel (from 0 to 100) (default 25) interp ..F.A... delay-line interpolation (from 0 to 1) (default linear) linear ..F.A... quadratic ..F.A... highpass AVOptions: frequency ..F.A... set frequency (from 0 to 999999) (default 3000) f ..F.A... set frequency (from 0 to 999999) (default 3000) width_type ..F.A... set filter-width type (from 1 to 4) (default q) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set width (from 0 to 99999) (default 0.707) w ..F.A... set width (from 0 to 99999) (default 0.707) poles ..F.A... set number of poles (from 1 to 2) (default 2) p ..F.A... set number of poles (from 1 to 2) (default 2) join AVOptions: inputs ..F.A... Number of input streams. (from 1 to INT_MAX) (default 2) channel_layout ..F.A... Channel layout of the output stream. (default "stereo") map ..F.A... A comma-separated list of channels maps in the format 'input_stream.input_channel-output_channel. lowpass AVOptions: frequency ..F.A... set frequency (from 0 to 999999) (default 500) f ..F.A... set frequency (from 0 to 999999) (default 500) width_type ..F.A... set filter-width type (from 1 to 4) (default q) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set width (from 0 to 99999) (default 0.707) w ..F.A... set width (from 0 to 99999) (default 0.707) poles ..F.A... set number of poles (from 1 to 2) (default 2) p ..F.A... set number of poles (from 1 to 2) (default 2) pan AVOptions: args ..F.A... sidechaincompress AVOptions: threshold ..F.A... set threshold (from 0.000976563 to 1) (default 0.125) ratio ..F.A... set ratio (from 1 to 20) (default 2) attack ..F.A... set attack (from 0.01 to 2000) (default 20) release ..F.A... set release (from 0.01 to 9000) (default 250) makeup ..F.A... set make up gain (from 1 to 64) (default 2) knee ..F.A... set knee (from 1 to 8) (default 2.82843) link ..F.A... set link type (from 0 to 1) (default average) average ..F.A... maximum ..F.A... detection ..F.A... set detection (from 0 to 1) (default rms) peak ..F.A... rms ..F.A... silencedetect AVOptions: n ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001) noise ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001) d ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2) duration ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2) silenceremove AVOptions: start_periods ..F.A... (from 0 to 9000) (default 0) start_duration ..F.A... (default 0) start_threshold ..F.A... (from 0 to DBL_MAX) (default 0) stop_periods ..F.A... (from -9000 to 9000) (default 0) stop_duration ..F.A... (default 0) stop_threshold ..F.A... (from 0 to DBL_MAX) (default 0) leave_silence ..F.A... (default false) stereotools AVOptions: level_in ..F.A... set level in (from 0.015625 to 64) (default 1) level_out ..F.A... set level out (from 0.015625 to 64) (default 1) balance_in ..F.A... set balance in (from -1 to 1) (default 0) balance_out ..F.A... set balance out (from -1 to 1) (default 0) softclip ..F.A... enable softclip (default false) mutel ..F.A... mute L (default false) muter ..F.A... mute R (default false) phasel ..F.A... phase L (default false) phaser ..F.A... phase R (default false) mode ..F.A... set stereo mode (from 0 to 6) (default lr>lr) lr>lr ..F.A... lr>ms ..F.A... ms>lr ..F.A... lr>ll ..F.A... lr>rr ..F.A... lr>l+r ..F.A... lr>rl ..F.A... slev ..F.A... set side level (from 0.015625 to 64) (default 1) sbal ..F.A... set side balance (from -1 to 1) (default 0) mlev ..F.A... set middle level (from 0.015625 to 64) (default 1) mpan ..F.A... set middle pan (from -1 to 1) (default 0) base ..F.A... set stereo base (from -1 to 1) (default 0) delay ..F.A... set delay (from -20 to 20) (default 0) sclevel ..F.A... set S/C level (from 1 to 100) (default 1) phase ..F.A... set stereo phase (from 0 to 360) (default 0) stereowiden AVOptions: delay ..F.A... set delay time (from 1 to 100) (default 20) feedback ..F.A... set feedback gain (from 0 to 0.9) (default 0.3) crossfeed ..F.A... set cross feed (from 0 to 0.8) (default 0.3) drymix ..F.A... set dry-mix (from 0 to 1) (default 0.8) treble AVOptions: frequency ..F.A... set central frequency (from 0 to 999999) (default 3000) f ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type ..F.A... set filter-width type (from 1 to 4) (default q) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) w ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) gain ..F.A... set gain (from -900 to 900) (default 0) g ..F.A... set gain (from -900 to 900) (default 0) tremolo AVOptions: f ..F.A... set frequency in hertz (from 0.1 to 20000) (default 5) d ..F.A... set depth as percentage (from 0 to 1) (default 0.5) vibrato AVOptions: f ..F.A... set frequency in hertz (from 0.1 to 20000) (default 5) d ..F.A... set depth as percentage (from 0 to 1) (default 0.5) volume AVOptions: volume ..F.A... set volume adjustment expression (default "1.0") precision ..F.A... select mathematical precision (from 0 to 2) (default float) fixed ..F.A... select 8-bit fixed-point float ..F.A... select 32-bit floating-point double ..F.A... select 64-bit floating-point eval ..F.A... specify when to evaluate expressions (from 0 to 1) (default once) once ..F.A... eval volume expression once frame ..F.A... eval volume expression per-frame replaygain ..F.A... Apply replaygain side data when present (from 0 to 3) (default drop) drop ..F.A... replaygain side data is dropped ignore ..F.A... replaygain side data is ignored track ..F.A... track gain is preferred album ..F.A... album gain is preferred replaygain_preamp ..F.A... Apply replaygain pre-amplification (from -15 to 15) (default 0) replaygain_noclip ..F.A... Apply replaygain clipping prevention (default true) aevalsrc AVOptions: exprs ..F.A... set the '|'-separated list of channels expressions nb_samples ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) n ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) sample_rate ..F.A... set the sample rate (default "44100") s ..F.A... set the sample rate (default "44100") duration ..F.A... set audio duration (default -1) d ..F.A... set audio duration (default -1) channel_layout ..F.A... set channel layout c ..F.A... set channel layout anullsrc AVOptions: channel_layout ..F.A... set channel_layout (default "stereo") cl ..F.A... set channel_layout (default "stereo") sample_rate ..F.A... set sample rate (default "44100") r ..F.A... set sample rate (default "44100") nb_samples ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) n ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) sine AVOptions: frequency ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440) f ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440) beep_factor ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0) b ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0) sample_rate ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) r ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) duration ..F.A... set the audio duration (default 0) d ..F.A... set the audio duration (default 0) samples_per_frame ..F.A... set the number of samples per frame (default "1024") atadenoise AVOptions: 0a ..FV.... set threshold A for 1st plane (from 0 to 0.3) (default 0.02) 0b ..FV.... set threshold B for 1st plane (from 0 to 5) (default 0.04) 1a ..FV.... set threshold A for 2nd plane (from 0 to 0.3) (default 0.02) 1b ..FV.... set threshold B for 2nd plane (from 0 to 5) (default 0.04) 2a ..FV.... set threshold A for 3rd plane (from 0 to 0.3) (default 0.02) 2b ..FV.... set threshold B for 3rd plane (from 0 to 5) (default 0.04) s ..FV.... set how many frames to use (from 5 to 129) (default 33) ass AVOptions: filename ..FV.... set the filename of file to read f ..FV.... set the filename of file to read original_size ..FV.... set the size of the original video (used to scale fonts) fontsdir ..FV.... set the directory containing the fonts to read shaping ..FV.... set shaping engine (from -1 to 1) (default auto) auto ..FV.... simple ..FV.... simple shaping complex ..FV.... complex shaping bbox AVOptions: min_val ..FV.... set minimum luminance value for bounding box (from 0 to 254) (default 16) blackdetect AVOptions: d ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2) black_min_duration ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2) picture_black_ratio_th ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98) pic_th ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98) pixel_black_th ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1) pix_th ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1) blackframe AVOptions: amount ..FV.... Percentage of the pixels that have to be below the threshold for the frame to be considered black. (from 0 to 100) (default 98) threshold ..FV.... threshold below which a pixel value is considered black (from 0 to 255) (default 32) thresh ..FV.... threshold below which a pixel value is considered black (from 0 to 255) (default 32) blend AVOptions: c0_mode ..FV.... set component #0 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c1_mode ..FV.... set component #1 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c2_mode ..FV.... set component #2 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c3_mode ..FV.... set component #3 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... all_mode ..FV.... set blend mode for all components (from -1 to 28) (default -1) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c0_expr ..FV.... set color component #0 expression c1_expr ..FV.... set color component #1 expression c2_expr ..FV.... set color component #2 expression c3_expr ..FV.... set color component #3 expression all_expr ..FV.... set expression for all color components c0_opacity ..FV.... set color component #0 opacity (from 0 to 1) (default 1) c1_opacity ..FV.... set color component #1 opacity (from 0 to 1) (default 1) c2_opacity ..FV.... set color component #2 opacity (from 0 to 1) (default 1) c3_opacity ..FV.... set color component #3 opacity (from 0 to 1) (default 1) all_opacity ..FV.... set opacity for all color components (from 0 to 1) (default 1) shortest ..FV.... force termination when the shortest input terminates (default false) repeatlast ..FV.... repeat last bottom frame (default true) boxblur AVOptions: luma_radius ..FV.... Radius of the luma blurring box (default "2") lr ..FV.... Radius of the luma blurring box (default "2") luma_power ..FV.... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2) lp ..FV.... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2) chroma_radius ..FV.... Radius of the chroma blurring box cr ..FV.... Radius of the chroma blurring box chroma_power ..FV.... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1) cp ..FV.... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1) alpha_radius ..FV.... Radius of the alpha blurring box ar ..FV.... Radius of the alpha blurring box alpha_power ..FV.... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1) ap ..FV.... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1) chromakey AVOptions: color ..FV.... set the chromakey key color (default "black") similarity ..FV.... set the chromakey similarity value (from 0.01 to 1) (default 0.01) blend ..FV.... set the chromakey key blend value (from 0 to 1) (default 0) yuv ..FV.... color parameter is in yuv instead of rgb (default false) codecview AVOptions: mv ..FV.... set motion vectors to visualize (default 0) pf ..FV.... forward predicted MVs of P-frames bf ..FV.... forward predicted MVs of B-frames bb ..FV.... backward predicted MVs of B-frames colorbalance AVOptions: rs ..FV.... set red shadows (from -1 to 1) (default 0) gs ..FV.... set green shadows (from -1 to 1) (default 0) bs ..FV.... set blue shadows (from -1 to 1) (default 0) rm ..FV.... set red midtones (from -1 to 1) (default 0) gm ..FV.... set green midtones (from -1 to 1) (default 0) bm ..FV.... set blue midtones (from -1 to 1) (default 0) rh ..FV.... set red highlights (from -1 to 1) (default 0) gh ..FV.... set green highlights (from -1 to 1) (default 0) bh ..FV.... set blue highlights (from -1 to 1) (default 0) colorchannelmixer AVOptions: rr ..FV.... set the red gain for the red channel (from -2 to 2) (default 1) rg ..FV.... set the green gain for the red channel (from -2 to 2) (default 0) rb ..FV.... set the blue gain for the red channel (from -2 to 2) (default 0) ra ..FV.... set the alpha gain for the red channel (from -2 to 2) (default 0) gr ..FV.... set the red gain for the green channel (from -2 to 2) (default 0) gg ..FV.... set the green gain for the green channel (from -2 to 2) (default 1) gb ..FV.... set the blue gain for the green channel (from -2 to 2) (default 0) ga ..FV.... set the alpha gain for the green channel (from -2 to 2) (default 0) br ..FV.... set the red gain for the blue channel (from -2 to 2) (default 0) bg ..FV.... set the green gain for the blue channel (from -2 to 2) (default 0) bb ..FV.... set the blue gain for the blue channel (from -2 to 2) (default 1) ba ..FV.... set the alpha gain for the blue channel (from -2 to 2) (default 0) ar ..FV.... set the red gain for the alpha channel (from -2 to 2) (default 0) ag ..FV.... set the green gain for the alpha channel (from -2 to 2) (default 0) ab ..FV.... set the blue gain for the alpha channel (from -2 to 2) (default 0) aa ..FV.... set the alpha gain for the alpha channel (from -2 to 2) (default 1) colorkey AVOptions: color ..FV.... set the colorkey key color (default "black") similarity ..FV.... set the colorkey similarity value (from 0.01 to 1) (default 0.01) blend ..FV.... set the colorkey key blend value (from 0 to 1) (default 0) colorlevels AVOptions: rimin ..FV.... set input red black point (from -1 to 1) (default 0) gimin ..FV.... set input green black point (from -1 to 1) (default 0) bimin ..FV.... set input blue black point (from -1 to 1) (default 0) aimin ..FV.... set input alpha black point (from -1 to 1) (default 0) rimax ..FV.... set input red white point (from -1 to 1) (default 1) gimax ..FV.... set input green white point (from -1 to 1) (default 1) bimax ..FV.... set input blue white point (from -1 to 1) (default 1) aimax ..FV.... set input alpha white point (from -1 to 1) (default 1) romin ..FV.... set output red black point (from 0 to 1) (default 0) gomin ..FV.... set output green black point (from 0 to 1) (default 0) bomin ..FV.... set output blue black point (from 0 to 1) (default 0) aomin ..FV.... set output alpha black point (from 0 to 1) (default 0) romax ..FV.... set output red white point (from 0 to 1) (default 1) gomax ..FV.... set output green white point (from 0 to 1) (default 1) bomax ..FV.... set output blue white point (from 0 to 1) (default 1) aomax ..FV.... set output alpha white point (from 0 to 1) (default 1) colormatrix AVOptions: src ..FV.... set source color matrix (from -1 to 3) (default -1) bt709 ..FV.... set BT.709 colorspace fcc ..FV.... set FCC colorspace bt601 ..FV.... set BT.601 colorspace bt470 ..FV.... set BT.470 colorspace bt470bg ..FV.... set BT.470 colorspace smpte170m ..FV.... set SMTPE-170M colorspace smpte240m ..FV.... set SMPTE-240M colorspace dst ..FV.... set destination color matrix (from -1 to 3) (default -1) bt709 ..FV.... set BT.709 colorspace fcc ..FV.... set FCC colorspace bt601 ..FV.... set BT.601 colorspace bt470 ..FV.... set BT.470 colorspace bt470bg ..FV.... set BT.470 colorspace smpte170m ..FV.... set SMTPE-170M colorspace smpte240m ..FV.... set SMPTE-240M colorspace cover_rect AVOptions: cover ..FV.... cover bitmap filename mode ..FV.... set removal mode (from 0 to 1) (default blur) cover ..FV.... cover area with bitmap blur ..FV.... blur area crop AVOptions: out_w ..FV.... set the width crop area expression (default "iw") w ..FV.... set the width crop area expression (default "iw") out_h ..FV.... set the height crop area expression (default "ih") h ..FV.... set the height crop area expression (default "ih") x ..FV.... set the x crop area expression (default "(in_w-out_w)/2") y ..FV.... set the y crop area expression (default "(in_h-out_h)/2") keep_aspect ..FV.... keep aspect ratio (default false) cropdetect AVOptions: limit ..FV.... Threshold below which the pixel is considered black (from 0 to 65535) (default 0.0941176) round ..FV.... Value by which the width/height should be divisible (from 0 to INT_MAX) (default 16) reset ..FV.... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0) reset_count ..FV.... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0) max_outliers ..FV.... Threshold count of outliers (from 0 to INT_MAX) (default 0) curves AVOptions: preset ..FV.... select a color curves preset (from 0 to 10) (default none) none ..FV.... color_negative ..FV.... cross_process ..FV.... darker ..FV.... increase_contrast ..FV.... lighter ..FV.... linear_contrast ..FV.... medium_contrast ..FV.... negative ..FV.... strong_contrast ..FV.... vintage ..FV.... master ..FV.... set master points coordinates m ..FV.... set master points coordinates red ..FV.... set red points coordinates r ..FV.... set red points coordinates green ..FV.... set green points coordinates g ..FV.... set green points coordinates blue ..FV.... set blue points coordinates b ..FV.... set blue points coordinates all ..FV.... set points coordinates for all components psfile ..FV.... set Photoshop curves file name dctdnoiz AVOptions: sigma ..FV.... set noise sigma constant (from 0 to 999) (default 0) s ..FV.... set noise sigma constant (from 0 to 999) (default 0) overlap ..FV.... set number of block overlapping pixels (from -1 to 15) (default -1) expr ..FV.... set coefficient factor expression e ..FV.... set coefficient factor expression n ..FV.... set the block size, expressed in bits (from 3 to 4) (default 3) deband AVOptions: 1thr ..FV.... set 1st plane threshold (from 3e-005 to 0.5) (default 0.02) 2thr ..FV.... set 2nd plane threshold (from 3e-005 to 0.5) (default 0.02) 3thr ..FV.... set 3rd plane threshold (from 3e-005 to 0.5) (default 0.02) 4thr ..FV.... set 4th plane threshold (from 3e-005 to 0.5) (default 0.02) range ..FV.... set range (from INT_MIN to INT_MAX) (default 16) r ..FV.... set range (from INT_MIN to INT_MAX) (default 16) direction ..FV.... set direction (from -6.28319 to 6.28319) (default 6.28319) d ..FV.... set direction (from -6.28319 to 6.28319) (default 6.28319) blur ..FV.... set blur (default true) decimate AVOptions: cycle ..FV.... set the number of frame from which one will be dropped (from 2 to 25) (default 5) dupthresh ..FV.... set duplicate threshold (from 0 to 100) (default 1.1) scthresh ..FV.... set scene change threshold (from 0 to 100) (default 15) blockx ..FV.... set the size of the x-axis blocks used during metric calculations (from 4 to 512) (default 32) blocky ..FV.... set the size of the y-axis blocks used during metric calculations (from 4 to 512) (default 32) ppsrc ..FV.... mark main input as a pre-processed input and activate clean source input stream (default false) chroma ..FV.... set whether or not chroma is considered in the metric calculations (default true) deflate AVOptions: threshold0 ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535) threshold1 ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535) threshold2 ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535) threshold3 ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535) dejudder AVOptions: cycle ..FV.... set the length of the cycle to use for dejuddering (from 2 to 240) (default 4) delogo AVOptions: x ..FV.... set logo x position (from -1 to INT_MAX) (default -1) y ..FV.... set logo y position (from -1 to INT_MAX) (default -1) w ..FV.... set logo width (from -1 to INT_MAX) (default -1) h ..FV.... set logo height (from -1 to INT_MAX) (default -1) band ..FV.... set delogo area band size (from 0 to INT_MAX) (default 0) t ..FV.... set delogo area band size (from 0 to INT_MAX) (default 0) show ..FV.... show delogo area (default false) deshake AVOptions: x ..FV.... set x for the rectangular search area (from -1 to INT_MAX) (default -1) y ..FV.... set y for the rectangular search area (from -1 to INT_MAX) (default -1) w ..FV.... set width for the rectangular search area (from -1 to INT_MAX) (default -1) h ..FV.... set height for the rectangular search area (from -1 to INT_MAX) (default -1) rx ..FV.... set x for the rectangular search area (from 0 to 64) (default 16) ry ..FV.... set y for the rectangular search area (from 0 to 64) (default 16) edge ..FV.... set edge mode (from 0 to 3) (default mirror) blank ..FV.... fill zeroes at blank locations original ..FV.... original image at blank locations clamp ..FV.... extruded edge value at blank locations mirror ..FV.... mirrored edge at blank locations blocksize ..FV.... set motion search blocksize (from 4 to 128) (default 8) contrast ..FV.... set contrast threshold for blocks (from 1 to 255) (default 125) search ..FV.... set search strategy (from 0 to 1) (default exhaustive) exhaustive ..FV.... exhaustive search less ..FV.... less exhaustive search filename ..FV.... set motion search detailed log file name opencl ..FV.... use OpenCL filtering capabilities (default false) detelecine AVOptions: first_field ..FV.... select first field (from 0 to 1) (default top) top ..FV.... select top field first t ..FV.... select top field first bottom ..FV.... select bottom field first b ..FV.... select bottom field first pattern ..FV.... pattern that describe for how many fields a frame is to be displayed (default "23") start_frame ..FV.... position of first frame with respect to the pattern if stream is cut (from 0 to 13) (default 0) dilation AVOptions: threshold0 ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535) threshold1 ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535) threshold2 ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535) threshold3 ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535) coordinates ..FV.... set coordinates (from 0 to 255) (default 255) displace AVOptions: edge ..FV.... set edge mode (from 0 to 2) (default smear) blank ..FV.... smear ..FV.... wrap ..FV.... drawbox AVOptions: x ..FV.... set horizontal position of the left box edge (default "0") y ..FV.... set vertical position of the top box edge (default "0") width ..FV.... set width of the box (default "0") w ..FV.... set width of the box (default "0") height ..FV.... set height of the box (default "0") h ..FV.... set height of the box (default "0") color ..FV.... set color of the box (default "black") c ..FV.... set color of the box (default "black") thickness ..FV.... set the box thickness (default "3") t ..FV.... set the box thickness (default "3") drawgraph AVOptions: m1 ..FV.... set 1st metadata key (default "") fg1 ..FV.... set 1st foreground color expression (default "0xffff0000") m2 ..FV.... set 2nd metadata key (default "") fg2 ..FV.... set 2nd foreground color expression (default "0xff00ff00") m3 ..FV.... set 3rd metadata key (default "") fg3 ..FV.... set 3rd foreground color expression (default "0xffff00ff") m4 ..FV.... set 4th metadata key (default "") fg4 ..FV.... set 4th foreground color expression (default "0xffffff00") bg ..FV.... set background color (default "white") min ..FV.... set minimal value (from INT_MIN to INT_MAX) (default -1) max ..FV.... set maximal value (from INT_MIN to INT_MAX) (default 1) mode ..FV.... set graph mode (from 0 to 2) (default line) bar ..FV.... draw bars dot ..FV.... draw dots line ..FV.... draw lines slide ..FV.... set slide mode (from 0 to 3) (default frame) frame ..FV.... draw new frames replace ..FV.... replace old columns with new scroll ..FV.... scroll from right to left rscroll ..FV.... scroll from left to right size ..FV.... set graph size (default "900x256") s ..FV.... set graph size (default "900x256") drawgrid AVOptions: x ..FV.... set horizontal offset (default "0") y ..FV.... set vertical offset (default "0") width ..FV.... set width of grid cell (default "0") w ..FV.... set width of grid cell (default "0") height ..FV.... set height of grid cell (default "0") h ..FV.... set height of grid cell (default "0") color ..FV.... set color of the grid (default "black") c ..FV.... set color of the grid (default "black") thickness ..FV.... set grid line thickness (default "1") t ..FV.... set grid line thickness (default "1") drawtext AVOptions: fontfile ..FV.... set font file text ..FV.... set text textfile ..FV.... set text file fontcolor ..FV.... set foreground color (default "black") fontcolor_expr ..FV.... set foreground color expression (default "") boxcolor ..FV.... set box color (default "white") bordercolor ..FV.... set border color (default "black") shadowcolor ..FV.... set shadow color (default "black") box ..FV.... set box (default false) boxborderw ..FV.... set box border width (from INT_MIN to INT_MAX) (default 0) fontsize ..FV.... set font size (from 0 to INT_MAX) (default 0) x ..FV.... set x expression (default "0") y ..FV.... set y expression (default "0") shadowx ..FV.... set x (from INT_MIN to INT_MAX) (default 0) shadowy ..FV.... set y (from INT_MIN to INT_MAX) (default 0) borderw ..FV.... set border width (from INT_MIN to INT_MAX) (default 0) tabsize ..FV.... set tab size (from 0 to INT_MAX) (default 4) basetime ..FV.... set base time (from I64_MIN to I64_MAX) (default I64_MIN) font ..FV.... Font name (default "Sans") expansion ..FV.... set the expansion mode (from 0 to 2) (default normal) none ..FV.... set no expansion normal ..FV.... set normal expansion strftime ..FV.... set strftime expansion (deprecated) timecode ..FV.... set initial timecode tc24hmax ..FV.... set 24 hours max (timecode only) (default false) timecode_rate ..FV.... set rate (timecode only) (from 0 to INT_MAX) (default 0/1) r ..FV.... set rate (timecode only) (from 0 to INT_MAX) (default 0/1) rate ..FV.... set rate (timecode only) (from 0 to INT_MAX) (default 0/1) reload ..FV.... reload text file for each frame (default false) alpha ..FV.... apply alpha while rendering (default "1") fix_bounds ..FV.... check and fix text coords to avoid clipping (default true) start_number ..FV.... start frame number for n/frame_num variable (from 0 to INT_MAX) (default 0) ft_load_flags ..FV.... set font loading flags for libfreetype (default 0) default ..FV.... no_scale ..FV.... no_hinting ..FV.... render ..FV.... no_bitmap ..FV.... vertical_layout ..FV.... force_autohint ..FV.... crop_bitmap ..FV.... pedantic ..FV.... ignore_global_advance_width ..FV.... no_recurse ..FV.... ignore_transform ..FV.... monochrome ..FV.... linear_design ..FV.... no_autohint ..FV.... edgedetect AVOptions: high ..FV.... set high threshold (from 0 to 1) (default 0.196078) low ..FV.... set low threshold (from 0 to 1) (default 0.0784314) mode ..FV.... set mode (from 0 to 1) (default wires) wires ..FV.... white/gray wires on black colormix ..FV.... mix colors elbg AVOptions: codebook_length ..FV.... set codebook length (from 1 to INT_MAX) (default 256) l ..FV.... set codebook length (from 1 to INT_MAX) (default 256) nb_steps ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1) n ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1) seed ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1) s ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1) pal8 ..FV.... set the pal8 output (default false) eq AVOptions: contrast ..FV.... set the contrast adjustment, negative values give a negative image (default "1.0") brightness ..FV.... set the brightness adjustment (default "0.0") saturation ..FV.... set the saturation adjustment (default "1.0") gamma ..FV.... set the initial gamma value (default "1.0") gamma_r ..FV.... gamma value for red (default "1.0") gamma_g ..FV.... gamma value for green (default "1.0") gamma_b ..FV.... gamma value for blue (default "1.0") gamma_weight ..FV.... set the gamma weight which reduces the effect of gamma on bright areas (default "1.0") eval ..FV.... specify when to evaluate expressions (from 0 to 1) (default init) init ..FV.... eval expressions once during initialization frame ..FV.... eval expressions per-frame erosion AVOptions: threshold0 ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535) threshold1 ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535) threshold2 ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535) threshold3 ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535) coordinates ..FV.... set coordinates (from 0 to 255) (default 255) extractplanes AVOptions: planes ..FV.... set planes (default r) y ..FV.... set luma plane u ..FV.... set u plane v ..FV.... set v plane r ..FV.... set red plane g ..FV.... set green plane b ..FV.... set blue plane a ..FV.... set alpha plane fade AVOptions: type ..FV.... 'in' or 'out' for fade-in/fade-out (from 0 to 1) (default in) t ..FV.... 'in' or 'out' for fade-in/fade-out (from 0 to 1) (default in) start_frame ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0) s ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0) nb_frames ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25) n ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25) alpha ..FV.... fade alpha if it is available on the input (default false) start_time ..FV.... Number of seconds of the beginning of the effect. (default 0) st ..FV.... Number of seconds of the beginning of the effect. (default 0) duration ..FV.... Duration of the effect in seconds. (default 0) d ..FV.... Duration of the effect in seconds. (default 0) color ..FV.... set color (default "black") c ..FV.... set color (default "black") fftfilt AVOptions: dc_Y ..FV.... adjust gain in Y plane (from 0 to 1000) (default 0) dc_U ..FV.... adjust gain in U plane (from 0 to 1000) (default 0) dc_V ..FV.... adjust gain in V plane (from 0 to 1000) (default 0) weight_Y ..FV.... set luminance expression in Y plane (default "1") weight_U ..FV.... set chrominance expression in U plane weight_V ..FV.... set chrominance expression in V plane field AVOptions: type ..FV.... set field type (top or bottom) (from 0 to 1) (default top) top ..FV.... select top field bottom ..FV.... select bottom field fieldmatch AVOptions: order ..FV.... specify the assumed field order (from -1 to 1) (default auto) auto ..FV.... auto detect parity bff ..FV.... assume bottom field first tff ..FV.... assume top field first mode ..FV.... set the matching mode or strategy to use (from 0 to 5) (default pc_n) pc ..FV.... 2-way match (p/c) pc_n ..FV.... 2-way match + 3rd match on combed (p/c + u) pc_u ..FV.... 2-way match + 3rd match (same order) on combed (p/c + u) pc_n_ub ..FV.... 2-way match + 3rd match on combed + 4th/5th matches if still combed (p/c + u + u/b) pcn ..FV.... 3-way match (p/c/n) pcn_ub ..FV.... 3-way match + 4th/5th matches on combed (p/c/n + u/b) ppsrc ..FV.... mark main input as a pre-processed input and activate clean source input stream (default false) field ..FV.... set the field to match from (from -1 to 1) (default auto) auto ..FV.... automatic (same value as 'order') bottom ..FV.... bottom field top ..FV.... top field mchroma ..FV.... set whether or not chroma is included during the match comparisons (default true) y0 ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0) y1 ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0) scthresh ..FV.... set scene change detection threshold (from 0 to 100) (default 12) combmatch ..FV.... set combmatching mode (from 0 to 2) (default sc) none ..FV.... disable combmatching sc ..FV.... enable combmatching only on scene change full ..FV.... enable combmatching all the time combdbg ..FV.... enable comb debug (from 0 to 2) (default none) none ..FV.... no forced calculation pcn ..FV.... calculate p/c/n pcnub ..FV.... calculate p/c/n/u/b cthresh ..FV.... set the area combing threshold used for combed frame detection (from -1 to 255) (default 9) chroma ..FV.... set whether or not chroma is considered in the combed frame decision (default false) blockx ..FV.... set the x-axis size of the window used during combed frame detection (from 4 to 512) (default 16) blocky ..FV.... set the y-axis size of the window used during combed frame detection (from 4 to 512) (default 16) combpel ..FV.... set the number of combed pixels inside any of the blocky by blockx size blocks on the frame for the frame to be detected as combed (from 0 to INT_MAX) (default 80) fieldorder AVOptions: order ..FV.... output field order (from 0 to 1) (default tff) bff ..FV.... bottom field first tff ..FV.... top field first find_rect AVOptions: object ..FV.... object bitmap filename threshold ..FV.... set threshold (from 0 to 1) (default 0.5) mipmaps ..FV.... set mipmaps (from 1 to 5) (default 3) xmin ..FV.... (from 0 to INT_MAX) (default 0) ymin ..FV.... (from 0 to INT_MAX) (default 0) xmax ..FV.... (from 0 to INT_MAX) (default 0) ymax ..FV.... (from 0 to INT_MAX) (default 0) format AVOptions: -pix_fmts ...V.... A '|'-separated list of pixel formats fps AVOptions: fps ..FV.... A string describing desired output framerate (default "25") -start_time ...V.... Assume the first PTS should be this value. (from -DBL_MAX to DBL_MAX) (default DBL_MAX) round ..FV.... set rounding method for timestamps (from 0 to 5) (default near) zero ..FV.... round towards 0 inf ..FV.... round away from 0 down ..FV.... round towards -infty up ..FV.... round towards +infty near ..FV.... round to nearest framepack AVOptions: -format ...V.... Frame pack output format (from 0 to INT_MAX) (default sbs) sbs ...V.... Views are packed next to each other tab ...V.... Views are packed on top of each other frameseq ...V.... Views are one after the other lines ...V.... Views are interleaved by lines columns ...V.... Views are interleaved by columns framerate AVOptions: fps ..FV.... required output frames per second rate (default "50") interp_start ..FV.... point to start linear interpolation (from 0 to 255) (default 15) interp_end ..FV.... point to end linear interpolation (from 0 to 255) (default 240) scene ..FV.... scene change level (from 0 to INT_MAX) (default 7) flags ..FV.... set flags (default scene_change_detect+scd) scene_change_detect ..FV.... enable scene change detection scd ..FV.... enable scene change detection framestep AVOptions: step ..FV.... set frame step (from 1 to INT_MAX) (default 1) frei0r AVOptions: filter_name ..FV.... filter_params ..FV.... fspp AVOptions: quality ..FV.... set quality (from 4 to 5) (default 4) qp ..FV.... force a constant quantizer parameter (from 0 to 64) (default 0) strength ..FV.... set filter strength (from -15 to 32) (default 0) use_bframe_qp ..FV.... use B-frames' QP (default false) geq AVOptions: lum_expr ..FV.... set luminance expression lum ..FV.... set luminance expression cb_expr ..FV.... set chroma blue expression cb ..FV.... set chroma blue expression cr_expr ..FV.... set chroma red expression cr ..FV.... set chroma red expression alpha_expr ..FV.... set alpha expression a ..FV.... set alpha expression red_expr ..FV.... set red expression r ..FV.... set red expression green_expr ..FV.... set green expression g ..FV.... set green expression blue_expr ..FV.... set blue expression b ..FV.... set blue expression gradfun AVOptions: strength ..FV.... The maximum amount by which the filter will change any one pixel. (from 0.51 to 64) (default 1.2) radius ..FV.... The neighborhood to fit the gradient to. (from 4 to 32) (default 16) haldclut AVOptions: shortest ..FV.... force termination when the shortest input terminates (default false) repeatlast ..FV.... continue applying the last clut after eos (default true) interp ..FV.... select interpolation mode (from 0 to 2) (default tetrahedral) nearest ..FV.... use values from the nearest defined points trilinear ..FV.... interpolate values using the 8 points defining a cube tetrahedral ..FV.... interpolate values using a tetrahedron histeq AVOptions: strength ..FV.... set the strength (from 0 to 1) (default 0.2) intensity ..FV.... set the intensity (from 0 to 1) (default 0.21) antibanding ..FV.... set the antibanding level (from 0 to 2) (default none) none ..FV.... apply no antibanding weak ..FV.... apply weak antibanding strong ..FV.... apply strong antibanding histogram AVOptions: mode ..FV.... set histogram mode (from 0 to 3) (default levels) levels ..FV.... standard histogram waveform ..FV.... per row/column luminance graph color ..FV.... chroma values in vectorscope color2 ..FV.... chroma values in vectorscope level_height ..FV.... set level height (from 50 to 2048) (default 200) scale_height ..FV.... set scale height (from 0 to 40) (default 12) step ..FV.... set waveform step value (from 1 to 255) (default 10) waveform_mode ..FV.... set waveform mode (from 0 to 1) (default row) row ..FV.... column ..FV.... waveform_mirror ..FV.... set waveform mirroring (from 0 to 1) (default 0) display_mode ..FV.... set display mode (from 0 to 1) (default parade) parade ..FV.... overlay ..FV.... levels_mode ..FV.... set levels mode (from 0 to 1) (default linear) linear ..FV.... logarithmic ..FV.... components ..FV.... set color components to display (from 1 to 15) (default 7) hqdn3d AVOptions: luma_spatial ..FV.... spatial luma strength (from 0 to DBL_MAX) (default 0) chroma_spatial ..FV.... spatial chroma strength (from 0 to DBL_MAX) (default 0) luma_tmp ..FV.... temporal luma strength (from 0 to DBL_MAX) (default 0) chroma_tmp ..FV.... temporal chroma strength (from 0 to DBL_MAX) (default 0) hqx AVOptions: n ..FV.... set scale factor (from 2 to 4) (default 3) hstack AVOptions: inputs ..FV.... set number of inputs (from 2 to INT_MAX) (default 2) hue AVOptions: h ..FV.... set the hue angle degrees expression s ..FV.... set the saturation expression (default "1") H ..FV.... set the hue angle radians expression b ..FV.... set the brightness expression (default "0") idet AVOptions: intl_thres ..FV.... set interlacing threshold (from -1 to FLT_MAX) (default 1.04) prog_thres ..FV.... set progressive threshold (from -1 to FLT_MAX) (default 1.5) rep_thres ..FV.... set repeat threshold (from -1 to FLT_MAX) (default 3) half_life ..FV.... half life of cumulative statistics (from -1 to INT_MAX) (default 0) analyze_interlaced_flag ..FV.... set number of frames to use to determine if the interlace flag is accurate (from 0 to INT_MAX) (default 0) il AVOptions: luma_mode ..FV.... select luma mode (from 0 to 2) (default none) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... l ..FV.... select luma mode (from 0 to 2) (default none) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... chroma_mode ..FV.... select chroma mode (from 0 to 2) (default none) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... c ..FV.... select chroma mode (from 0 to 2) (default none) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... alpha_mode ..FV.... select alpha mode (from 0 to 2) (default none) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... a ..FV.... select alpha mode (from 0 to 2) (default none) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... luma_swap ..FV.... swap luma fields (default false) ls ..FV.... swap luma fields (default false) chroma_swap ..FV.... swap chroma fields (default false) cs ..FV.... swap chroma fields (default false) alpha_swap ..FV.... swap alpha fields (default false) as ..FV.... swap alpha fields (default false) inflate AVOptions: threshold0 ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535) threshold1 ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535) threshold2 ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535) threshold3 ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535) interlace AVOptions: scan ..FV.... scanning mode (from 0 to 1) (default tff) tff ..FV.... top field first bff ..FV.... bottom field first lowpass ..FV.... set vertical low-pass filter (default true) interleave AVOptions: nb_inputs ..FV.... set number of inputs (from 1 to INT_MAX) (default 2) n ..FV.... set number of inputs (from 1 to INT_MAX) (default 2) kerndeint AVOptions: thresh ..FV.... set the threshold (from 0 to 255) (default 10) map ..FV.... set the map (default false) order ..FV.... set the order (default false) sharp ..FV.... set sharpening (default false) twoway ..FV.... set twoway (default false) lenscorrection AVOptions: cx ..FV.... set relative center x (from 0 to 1) (default 0.5) cy ..FV.... set relative center y (from 0 to 1) (default 0.5) k1 ..FV.... set quadratic distortion factor (from -1 to 1) (default 0) k2 ..FV.... set double quadratic distortion factor (from -1 to 1) (default 0) lut3d AVOptions: file ..FV.... set 3D LUT file name interp ..FV.... select interpolation mode (from 0 to 2) (default tetrahedral) nearest ..FV.... use values from the nearest defined points trilinear ..FV.... interpolate values using the 8 points defining a cube tetrahedral ..FV.... interpolate values using a tetrahedron lut AVOptions: c0 ..FV.... set component #0 expression (default "val") c1 ..FV.... set component #1 expression (default "val") c2 ..FV.... set component #2 expression (default "val") c3 ..FV.... set component #3 expression (default "val") y ..FV.... set Y expression (default "val") u ..FV.... set U expression (default "val") v ..FV.... set V expression (default "val") r ..FV.... set R expression (default "val") g ..FV.... set G expression (default "val") b ..FV.... set B expression (default "val") a ..FV.... set A expression (default "val") lutrgb AVOptions: c0 ..FV.... set component #0 expression (default "val") c1 ..FV.... set component #1 expression (default "val") c2 ..FV.... set component #2 expression (default "val") c3 ..FV.... set component #3 expression (default "val") y ..FV.... set Y expression (default "val") u ..FV.... set U expression (default "val") v ..FV.... set V expression (default "val") r ..FV.... set R expression (default "val") g ..FV.... set G expression (default "val") b ..FV.... set B expression (default "val") a ..FV.... set A expression (default "val") lutyuv AVOptions: c0 ..FV.... set component #0 expression (default "val") c1 ..FV.... set component #1 expression (default "val") c2 ..FV.... set component #2 expression (default "val") c3 ..FV.... set component #3 expression (default "val") y ..FV.... set Y expression (default "val") u ..FV.... set U expression (default "val") v ..FV.... set V expression (default "val") r ..FV.... set R expression (default "val") g ..FV.... set G expression (default "val") b ..FV.... set B expression (default "val") a ..FV.... set A expression (default "val") maskedmerge AVOptions: planes ..FV.... set planes (from 0 to 15) (default 15) mcdeint AVOptions: mode ..FV.... set mode (from 0 to 3) (default fast) fast ..FV.... medium ..FV.... slow ..FV.... extra_slow ..FV.... parity ..FV.... set the assumed picture field parity (from -1 to 1) (default bff) tff ..FV.... assume top field first bff ..FV.... assume bottom field first qp ..FV.... set qp (from INT_MIN to INT_MAX) (default 1) mergeplanes AVOptions: mapping ..FV.... set input to output plane mapping (from 0 to 8.58993e+008) (default 0) format ..FV.... set output pixel format (default yuva444p) mpdecimate AVOptions: max ..FV.... set the maximum number of consecutive dropped frames (positive), or the minimum interval between dropped frames (negative) (from INT_MIN to INT_MAX) (default 0) hi ..FV.... set high dropping threshold (from INT_MIN to INT_MAX) (default 768) lo ..FV.... set low dropping threshold (from INT_MIN to INT_MAX) (default 320) frac ..FV.... set fraction dropping threshold (from 0 to 1) (default 0.33) negate AVOptions: negate_alpha ..FV.... (default false) noformat AVOptions: -pix_fmts ...V.... A '|'-separated list of pixel formats noise AVOptions: all_seed ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1) all_strength ..FV.... set component #0 strength (from 0 to 100) (default 0) alls ..FV.... set component #0 strength (from 0 to 100) (default 0) all_flags ..FV.... set component #0 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise allf ..FV.... set component #0 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c0_seed ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1) c0_strength ..FV.... set component #0 strength (from 0 to 100) (default 0) c0s ..FV.... set component #0 strength (from 0 to 100) (default 0) c0_flags ..FV.... set component #0 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c0f ..FV.... set component #0 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c1_seed ..FV.... set component #1 noise seed (from -1 to INT_MAX) (default -1) c1_strength ..FV.... set component #1 strength (from 0 to 100) (default 0) c1s ..FV.... set component #1 strength (from 0 to 100) (default 0) c1_flags ..FV.... set component #1 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c1f ..FV.... set component #1 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c2_seed ..FV.... set component #2 noise seed (from -1 to INT_MAX) (default -1) c2_strength ..FV.... set component #2 strength (from 0 to 100) (default 0) c2s ..FV.... set component #2 strength (from 0 to 100) (default 0) c2_flags ..FV.... set component #2 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c2f ..FV.... set component #2 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c3_seed ..FV.... set component #3 noise seed (from -1 to INT_MAX) (default -1) c3_strength ..FV.... set component #3 strength (from 0 to 100) (default 0) c3s ..FV.... set component #3 strength (from 0 to 100) (default 0) c3_flags ..FV.... set component #3 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise c3f ..FV.... set component #3 flags (default 0) a ..FV.... averaged noise p ..FV.... (semi)regular pattern t ..FV.... temporal noise u ..FV.... uniform noise overlay AVOptions: x ..FV.... set the x expression (default "0") y ..FV.... set the y expression (default "0") eof_action ..FV.... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat) repeat ..FV.... Repeat the previous frame. endall ..FV.... End both streams. pass ..FV.... Pass through the main input. eval ..FV.... specify when to evaluate expressions (from 0 to 1) (default frame) init ..FV.... eval expressions once during initialization frame ..FV.... eval expressions per-frame rgb ..FV.... force packed RGB in input and output (deprecated) (default false) shortest ..FV.... force termination when the shortest input terminates (default false) format ..FV.... set output format (from 0 to 3) (default yuv420) yuv420 ..FV.... yuv422 ..FV.... yuv444 ..FV.... rgb ..FV.... repeatlast ..FV.... repeat overlay of the last overlay frame (default true) owdenoise AVOptions: depth ..FV.... set depth (from 8 to 16) (default 8) luma_strength ..FV.... set luma strength (from 0 to 1000) (default 1) ls ..FV.... set luma strength (from 0 to 1000) (default 1) chroma_strength ..FV.... set chroma strength (from 0 to 1000) (default 1) cs ..FV.... set chroma strength (from 0 to 1000) (default 1) pad AVOptions: width ..FV.... set the pad area width expression (default "iw") w ..FV.... set the pad area width expression (default "iw") height ..FV.... set the pad area height expression (default "ih") h ..FV.... set the pad area height expression (default "ih") x ..FV.... set the x offset expression for the input image position (default "0") y ..FV.... set the y offset expression for the input image position (default "0") color ..FV.... set the color of the padded area border (default "black") palettegen AVOptions: max_colors ..FV.... set the maximum number of colors to use in the palette (from 4 to 256) (default 256) reserve_transparent ..FV.... reserve a palette entry for transparency (default true) stats_mode ..FV.... set statistics mode (from 0 to 2) (default full) full ..FV.... compute full frame histograms diff ..FV.... compute histograms only for the part that differs from previous frame paletteuse AVOptions: dither ..FV.... select dithering mode (from 0 to 5) (default sierra2_4a) bayer ..FV.... ordered 8x8 bayer dithering (deterministic) heckbert ..FV.... dithering as defined by Paul Heckbert in 1982 (simple error diffusion) floyd_steinberg ..FV.... Floyd and Steingberg dithering (error diffusion) sierra2 ..FV.... Frankie Sierra dithering v2 (error diffusion) sierra2_4a ..FV.... Frankie Sierra dithering v2 "Lite" (error diffusion) bayer_scale ..FV.... set scale for bayer dithering (from 0 to 5) (default 2) diff_mode ..FV.... set frame difference mode (from 0 to 1) (default 0) rectangle ..FV.... process smallest different rectangle debug_kdtree ..FV.... save Graphviz graph of the kdtree in specified file color_search ..FV.... set reverse colormap color search method (from 0 to 2) (default nns_iterative) nns_iterative ..FV.... iterative search nns_recursive ..FV.... recursive search bruteforce ..FV.... brute-force into the palette mean_err ..FV.... compute and print mean error (default false) debug_accuracy ..FV.... test color search accuracy (default false) perms AVOptions: mode ..FVA... select permissions mode (from 0 to 4) (default none) none ..FVA... do nothing ro ..FVA... set all output frames read-only rw ..FVA... set all output frames writable toggle ..FVA... switch permissions random ..FVA... set permissions randomly seed ..FVA... set the seed for the random mode (from -1 to UINT32_MAX) (default -1) perspective AVOptions: x0 ..FV.... set top left x coordinate (default "0") y0 ..FV.... set top left y coordinate (default "0") x1 ..FV.... set top right x coordinate (default "W") y1 ..FV.... set top right y coordinate (default "0") x2 ..FV.... set bottom left x coordinate (default "0") y2 ..FV.... set bottom left y coordinate (default "H") x3 ..FV.... set bottom right x coordinate (default "W") y3 ..FV.... set bottom right y coordinate (default "H") interpolation ..FV.... set interpolation (from 0 to 1) (default linear) linear ..FV.... cubic ..FV.... sense ..FV.... specify the sense of the coordinates (from 0 to 1) (default source) source ..FV.... specify locations in source to send to corners in destination destination ..FV.... specify locations in destination to send corners of source phase AVOptions: mode ..FV.... set phase mode (from 0 to 8) (default A) p ..FV.... progressive t ..FV.... top first b ..FV.... bottom first T ..FV.... top first analyze B ..FV.... bottom first analyze u ..FV.... analyze U ..FV.... full analyze a ..FV.... auto A ..FV.... auto analyze pp AVOptions: subfilters ..FV.... set postprocess subfilters (default "de") pp7 AVOptions: qp ..FV.... force a constant quantizer parameter (from 0 to 64) (default 0) mode ..FV.... set thresholding mode (from 0 to 2) (default medium) hard ..FV.... hard thresholding soft ..FV.... soft thresholding medium ..FV.... medium thresholding psnr AVOptions: stats_file ..FV.... Set file where to store per-frame difference information f ..FV.... Set file where to store per-frame difference information pullup AVOptions: jl ..FV.... set left junk size (from 0 to INT_MAX) (default 1) jr ..FV.... set right junk size (from 0 to INT_MAX) (default 1) jt ..FV.... set top junk size (from 1 to INT_MAX) (default 4) jb ..FV.... set bottom junk size (from 1 to INT_MAX) (default 4) sb ..FV.... set strict breaks (from -1 to 1) (default 0) mp ..FV.... set metric plane (from 0 to 2) (default y) y ..FV.... luma u ..FV.... chroma blue v ..FV.... chroma red qp AVOptions: qp ..FV.... set qp expression random AVOptions: frames ..FV.... set number of frames in cache (from 2 to 512) (default 30) seed ..FV.... set the seed (from -1 to UINT32_MAX) (default -1) removegrain AVOptions: m0 ..FV.... set mode for 1st plane (from 0 to 24) (default 0) m1 ..FV.... set mode for 2nd plane (from 0 to 24) (default 0) m2 ..FV.... set mode for 3rd plane (from 0 to 24) (default 0) m3 ..FV.... set mode for 4th plane (from 0 to 24) (default 0) removelogo AVOptions: filename ..FV.... set bitmap filename f ..FV.... set bitmap filename rotate AVOptions: angle ..FV.... set angle (in radians) (default "0") a ..FV.... set angle (in radians) (default "0") out_w ..FV.... set output width expression (default "iw") ow ..FV.... set output width expression (default "iw") out_h ..FV.... set output height expression (default "ih") oh ..FV.... set output height expression (default "ih") fillcolor ..FV.... set background fill color (default "black") c ..FV.... set background fill color (default "black") bilinear ..FV.... use bilinear interpolation (default true) sab AVOptions: luma_radius ..FV.... set luma radius (from 0.1 to 4) (default 1) lr ..FV.... set luma radius (from 0.1 to 4) (default 1) luma_pre_filter_radius ..FV.... set luma pre-filter radius (from 0.1 to 2) (default 1) lpfr ..FV.... set luma pre-filter radius (from 0.1 to 2) (default 1) luma_strength ..FV.... set luma strength (from 0.1 to 100) (default 1) ls ..FV.... set luma strength (from 0.1 to 100) (default 1) chroma_radius ..FV.... set chroma radius (from -0.9 to 4) (default -0.9) cr ..FV.... set chroma radius (from -0.9 to 4) (default -0.9) chroma_pre_filter_radius ..FV.... set chroma pre-filter radius (from -0.9 to 2) (default -0.9) cpfr ..FV.... set chroma pre-filter radius (from -0.9 to 2) (default -0.9) chroma_strength ..FV.... set chroma strength (from -0.9 to 100) (default -0.9) cs ..FV.... set chroma strength (from -0.9 to 100) (default -0.9) scale AVOptions: w ..FV.... Output video width width ..FV.... Output video width h ..FV.... Output video height height ..FV.... Output video height flags ..FV.... Flags to pass to libswscale (default "bilinear") interl ..FV.... set interlacing (from -1 to 1) (default 0) in_color_matrix ..FV.... set input YCbCr type (default "auto") out_color_matrix ..FV.... set output YCbCr type in_range ..FV.... set input color range (from 0 to 2) (default auto) auto ..FV.... full ..FV.... jpeg ..FV.... mpeg ..FV.... tv ..FV.... pc ..FV.... out_range ..FV.... set output color range (from 0 to 2) (default auto) auto ..FV.... full ..FV.... jpeg ..FV.... mpeg ..FV.... tv ..FV.... pc ..FV.... in_v_chr_pos ..FV.... input vertical chroma position in luma grid/256 (from -513 to 512) (default -513) in_h_chr_pos ..FV.... input horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) out_v_chr_pos ..FV.... output vertical chroma position in luma grid/256 (from -513 to 512) (default -513) out_h_chr_pos ..FV.... output horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) force_original_aspect_ratio ..FV.... decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default disable) disable ..FV.... decrease ..FV.... increase ..FV.... param0 ..FV.... Scaler param 0 (from INT_MIN to INT_MAX) (default 123456) param1 ..FV.... Scaler param 1 (from INT_MIN to INT_MAX) (default 123456) SWScaler AVOptions: -sws_flags E..V.... scaler flags (default bicubic) fast_bilinear E..V.... fast bilinear bilinear E..V.... bilinear bicubic E..V.... bicubic experimental E..V.... experimental neighbor E..V.... nearest neighbor area E..V.... averaging area bicublin E..V.... luma bicubic, chroma bilinear gauss E..V.... Gaussian sinc E..V.... sinc lanczos E..V.... Lanczos spline E..V.... natural bicubic spline print_info E..V.... print info accurate_rnd E..V.... accurate rounding full_chroma_int E..V.... full chroma interpolation full_chroma_inp E..V.... full chroma input bitexact E..V.... error_diffusion E..V.... error diffusion dither -srcw E..V.... source width (from 1 to INT_MAX) (default 16) -srch E..V.... source height (from 1 to INT_MAX) (default 16) -dstw E..V.... destination width (from 1 to INT_MAX) (default 16) -dsth E..V.... destination height (from 1 to INT_MAX) (default 16) -src_format E..V.... source format (from 0 to 334) (default 0) -dst_format E..V.... destination format (from 0 to 334) (default 0) -src_range E..V.... source range (from 0 to 1) (default 0) -dst_range E..V.... destination range (from 0 to 1) (default 0) -param0 E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456) -param1 E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456) -src_v_chr_pos E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513) -src_h_chr_pos E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) -dst_v_chr_pos E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513) -dst_h_chr_pos E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) -sws_dither E..V.... set dithering algorithm (from 0 to 6) (default auto) auto E..V.... leave choice to sws bayer E..V.... bayer dither ed E..V.... error diffusion a_dither E..V.... arithmetic addition dither x_dither E..V.... arithmetic xor dither -gamma E..V.... gamma correct scaling (default false) -alphablend E..V.... mode for alpha -> non alpha (from 0 to 2) (default none) none E..V.... ignore alpha uniform_color E..V.... blend onto a uniform color checkerboard E..V.... blend onto a checkerboard scale2ref AVOptions: w ..FV.... Output video width width ..FV.... Output video width h ..FV.... Output video height height ..FV.... Output video height flags ..FV.... Flags to pass to libswscale (default "bilinear") interl ..FV.... set interlacing (from -1 to 1) (default 0) in_color_matrix ..FV.... set input YCbCr type (default "auto") out_color_matrix ..FV.... set output YCbCr type in_range ..FV.... set input color range (from 0 to 2) (default auto) auto ..FV.... full ..FV.... jpeg ..FV.... mpeg ..FV.... tv ..FV.... pc ..FV.... out_range ..FV.... set output color range (from 0 to 2) (default auto) auto ..FV.... full ..FV.... jpeg ..FV.... mpeg ..FV.... tv ..FV.... pc ..FV.... in_v_chr_pos ..FV.... input vertical chroma position in luma grid/256 (from -513 to 512) (default -513) in_h_chr_pos ..FV.... input horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) out_v_chr_pos ..FV.... output vertical chroma position in luma grid/256 (from -513 to 512) (default -513) out_h_chr_pos ..FV.... output horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) force_original_aspect_ratio ..FV.... decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default disable) disable ..FV.... decrease ..FV.... increase ..FV.... param0 ..FV.... Scaler param 0 (from INT_MIN to INT_MAX) (default 123456) param1 ..FV.... Scaler param 1 (from INT_MIN to INT_MAX) (default 123456) SWScaler AVOptions: -sws_flags E..V.... scaler flags (default bicubic) fast_bilinear E..V.... fast bilinear bilinear E..V.... bilinear bicubic E..V.... bicubic experimental E..V.... experimental neighbor E..V.... nearest neighbor area E..V.... averaging area bicublin E..V.... luma bicubic, chroma bilinear gauss E..V.... Gaussian sinc E..V.... sinc lanczos E..V.... Lanczos spline E..V.... natural bicubic spline print_info E..V.... print info accurate_rnd E..V.... accurate rounding full_chroma_int E..V.... full chroma interpolation full_chroma_inp E..V.... full chroma input bitexact E..V.... error_diffusion E..V.... error diffusion dither -srcw E..V.... source width (from 1 to INT_MAX) (default 16) -srch E..V.... source height (from 1 to INT_MAX) (default 16) -dstw E..V.... destination width (from 1 to INT_MAX) (default 16) -dsth E..V.... destination height (from 1 to INT_MAX) (default 16) -src_format E..V.... source format (from 0 to 334) (default 0) -dst_format E..V.... destination format (from 0 to 334) (default 0) -src_range E..V.... source range (from 0 to 1) (default 0) -dst_range E..V.... destination range (from 0 to 1) (default 0) -param0 E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456) -param1 E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456) -src_v_chr_pos E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513) -src_h_chr_pos E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) -dst_v_chr_pos E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513) -dst_h_chr_pos E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513) -sws_dither E..V.... set dithering algorithm (from 0 to 6) (default auto) auto E..V.... leave choice to sws bayer E..V.... bayer dither ed E..V.... error diffusion a_dither E..V.... arithmetic addition dither x_dither E..V.... arithmetic xor dither -gamma E..V.... gamma correct scaling (default false) -alphablend E..V.... mode for alpha -> non alpha (from 0 to 2) (default none) none E..V.... ignore alpha uniform_color E..V.... blend onto a uniform color checkerboard E..V.... blend onto a checkerboard select AVOptions: expr ..FV.... set an expression to use for selecting frames (default "1") e ..FV.... set an expression to use for selecting frames (default "1") outputs ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1) n ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1) selectivecolor AVOptions: correction_method ..FV.... select correction method (from 0 to 1) (default absolute) absolute ..FV.... relative ..FV.... reds ..FV.... adjust red regions yellows ..FV.... adjust yellow regions greens ..FV.... adjust green regions cyans ..FV.... adjust cyan regions blues ..FV.... adjust blue regions magentas ..FV.... adjust magenta regions whites ..FV.... adjust white regions neutrals ..FV.... adjust neutral regions blacks ..FV.... adjust black regions psfile ..FV.... set Photoshop selectivecolor file name sendcmd AVOptions: commands ..FVA... set commands c ..FVA... set commands filename ..FVA... set commands file f ..FVA... set commands file setdar AVOptions: dar ..FV.... set display aspect ratio (default "0") ratio ..FV.... set display aspect ratio (default "0") r ..FV.... set display aspect ratio (default "0") dar_den ..FV.... (from 0 to FLT_MAX) (default 0) max ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100) setfield AVOptions: mode ..FV.... select interlace mode (from -1 to 2) (default auto) auto ..FV.... keep the same input field bff ..FV.... mark as bottom-field-first tff ..FV.... mark as top-field-first prog ..FV.... mark as progressive setpts AVOptions: expr ..FVA... Expression determining the frame timestamp (default "PTS") setsar AVOptions: sar ..FV.... set sample (pixel) aspect ratio (default "0") ratio ..FV.... set sample (pixel) aspect ratio (default "0") r ..FV.... set sample (pixel) aspect ratio (default "0") sar_den ..FV.... (from 0 to FLT_MAX) (default 0) max ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100) settb AVOptions: expr ..FV.... set expression determining the output timebase (default "intb") tb ..FV.... set expression determining the output timebase (default "intb") showpalette AVOptions: s ..FV.... set pixel box size (from 1 to 100) (default 30) shuffleframes AVOptions: mapping ..FV.... set destination indexes of input frames (default "0") shuffleplanes AVOptions: map0 ..FV.... Index of the input plane to be used as the first output plane (from 0 to 4) (default 0) map1 ..FV.... Index of the input plane to be used as the second output plane (from 0 to 4) (default 1) map2 ..FV.... Index of the input plane to be used as the third output plane (from 0 to 4) (default 2) map3 ..FV.... Index of the input plane to be used as the fourth output plane (from 0 to 4) (default 3) signalstats AVOptions: stat ..FV.... set statistics filters (default 0) tout ..FV.... analyze pixels for temporal outliers vrep ..FV.... analyze video lines for vertical line repetition brng ..FV.... analyze for pixels outside of broadcast range out ..FV.... set video filter (from -1 to 2) (default -1) tout ..FV.... highlight pixels that depict temporal outliers vrep ..FV.... highlight video lines that depict vertical line repetition brng ..FV.... highlight pixels that are outside of broadcast range c ..FV.... set highlight color (default "yellow") color ..FV.... set highlight color (default "yellow") smartblur AVOptions: luma_radius ..FV.... set luma radius (from 0.1 to 5) (default 1) lr ..FV.... set luma radius (from 0.1 to 5) (default 1) luma_strength ..FV.... set luma strength (from -1 to 1) (default 1) ls ..FV.... set luma strength (from -1 to 1) (default 1) luma_threshold ..FV.... set luma threshold (from -30 to 30) (default 0) lt ..FV.... set luma threshold (from -30 to 30) (default 0) chroma_radius ..FV.... set chroma radius (from -0.9 to 5) (default -0.9) cr ..FV.... set chroma radius (from -0.9 to 5) (default -0.9) chroma_strength ..FV.... set chroma strength (from -2 to 1) (default -2) cs ..FV.... set chroma strength (from -2 to 1) (default -2) chroma_threshold ..FV.... set chroma threshold (from -31 to 30) (default -31) ct ..FV.... set chroma threshold (from -31 to 30) (default -31) split AVOptions: -outputs ...VA... set number of outputs (from 1 to INT_MAX) (default 2) spp AVOptions: quality ..FV.... set quality (from 0 to 6) (default 3) qp ..FV.... force a constant quantizer parameter (from 0 to 63) (default 0) mode ..FV.... set thresholding mode (from 0 to 1) (default hard) hard ..FV.... hard thresholding soft ..FV.... soft thresholding use_bframe_qp ..FV.... use B-frames' QP (default false) AVDCT AVOptions: -dct E..V.... DCT algorithm (from 0 to INT_MAX) (default auto) auto E..V.... autoselect a good one fastint E..V.... fast integer (experimental / for debugging) int E..V.... accurate integer mmx E..V.... experimental / for debugging altivec E..V.... experimental / for debugging faan E..V.... floating point AAN DCT (experimental / for debugging) -idct ED.V.... select IDCT implementation (from 0 to INT_MAX) (default auto) auto ED.V.... autoselect a good one int ED.V.... experimental / for debugging simple ED.V.... experimental / for debugging simplemmx ED.V.... experimental / for debugging arm ED.V.... experimental / for debugging altivec ED.V.... experimental / for debugging sh4 ED.V.... experimental / for debugging simplearm ED.V.... experimental / for debugging simplearmv5te ED.V.... experimental / for debugging simplearmv6 ED.V.... experimental / for debugging simpleneon ED.V.... experimental / for debugging simplealpha ED.V.... experimental / for debugging ipp ED.V.... experimental / for debugging xvid ED.V.... experimental / for debugging xvidmmx ED.V.... experimental / for debugging faani ED.V.... floating point AAN IDCT (experimental / for debugging) simpleauto ED.V.... experimental / for debugging ssim AVOptions: stats_file ..FV.... Set file where to store per-frame difference information f ..FV.... Set file where to store per-frame difference information stereo3d AVOptions: in ..FV.... set input format (from 16 to 32) (default sbsl) ab2l ..FV.... above below half height left first ab2r ..FV.... above below half height right first abl ..FV.... above below left first abr ..FV.... above below right first al ..FV.... alternating frames left first ar ..FV.... alternating frames right first sbs2l ..FV.... side by side half width left first sbs2r ..FV.... side by side half width right first sbsl ..FV.... side by side left first sbsr ..FV.... side by side right first irl ..FV.... interleave rows left first irr ..FV.... interleave rows right first out ..FV.... set output format (from 0 to 32) (default arcd) ab2l ..FV.... above below half height left first ab2r ..FV.... above below half height right first abl ..FV.... above below left first abr ..FV.... above below right first agmc ..FV.... anaglyph green magenta color agmd ..FV.... anaglyph green magenta dubois agmg ..FV.... anaglyph green magenta gray agmh ..FV.... anaglyph green magenta half color al ..FV.... alternating frames left first ar ..FV.... alternating frames right first arbg ..FV.... anaglyph red blue gray arcc ..FV.... anaglyph red cyan color arcd ..FV.... anaglyph red cyan dubois arcg ..FV.... anaglyph red cyan gray arch ..FV.... anaglyph red cyan half color argg ..FV.... anaglyph red green gray aybc ..FV.... anaglyph yellow blue color aybd ..FV.... anaglyph yellow blue dubois aybg ..FV.... anaglyph yellow blue gray aybh ..FV.... anaglyph yellow blue half color irl ..FV.... interleave rows left first irr ..FV.... interleave rows right first ml ..FV.... mono left mr ..FV.... mono right sbs2l ..FV.... side by side half width left first sbs2r ..FV.... side by side half width right first sbsl ..FV.... side by side left first sbsr ..FV.... side by side right first chl ..FV.... checkerboard left first chr ..FV.... checkerboard right first icl ..FV.... interleave columns left first icr ..FV.... interleave columns right first hdmi ..FV.... HDMI frame pack subtitles AVOptions: filename ..FV.... set the filename of file to read f ..FV.... set the filename of file to read original_size ..FV.... set the size of the original video (used to scale fonts) fontsdir ..FV.... set the directory containing the fonts to read charenc ..FV.... set input character encoding stream_index ..FV.... set stream index (from -1 to INT_MAX) (default -1) si ..FV.... set stream index (from -1 to INT_MAX) (default -1) force_style ..FV.... force subtitle style tblend AVOptions: c0_mode ..FV.... set component #0 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c1_mode ..FV.... set component #1 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c2_mode ..FV.... set component #2 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c3_mode ..FV.... set component #3 blend mode (from 0 to 28) (default normal) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... all_mode ..FV.... set blend mode for all components (from -1 to 28) (default -1) addition ..FV.... addition128 ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... difference128 ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... glow ..FV.... hardlight ..FV.... hardmix ..FV.... lighten ..FV.... linearlight ..FV.... multiply ..FV.... negation ..FV.... normal ..FV.... or ..FV.... overlay ..FV.... phoenix ..FV.... pinlight ..FV.... reflect ..FV.... screen ..FV.... softlight ..FV.... subtract ..FV.... vividlight ..FV.... xor ..FV.... c0_expr ..FV.... set color component #0 expression c1_expr ..FV.... set color component #1 expression c2_expr ..FV.... set color component #2 expression c3_expr ..FV.... set color component #3 expression all_expr ..FV.... set expression for all color components c0_opacity ..FV.... set color component #0 opacity (from 0 to 1) (default 1) c1_opacity ..FV.... set color component #1 opacity (from 0 to 1) (default 1) c2_opacity ..FV.... set color component #2 opacity (from 0 to 1) (default 1) c3_opacity ..FV.... set color component #3 opacity (from 0 to 1) (default 1) all_opacity ..FV.... set opacity for all color components (from 0 to 1) (default 1) telecine AVOptions: first_field ..FV.... select first field (from 0 to 1) (default top) top ..FV.... select top field first t ..FV.... select top field first bottom ..FV.... select bottom field first b ..FV.... select bottom field first pattern ..FV.... pattern that describe for how many fields a frame is to be displayed (default "23") thumbnail AVOptions: n ..FV.... set the frames batch size (from 2 to INT_MAX) (default 100) tile AVOptions: layout ..FV.... set grid size (default "6x5") nb_frames ..FV.... set maximum number of frame to render (from 0 to INT_MAX) (default 0) margin ..FV.... set outer border margin in pixels (from 0 to 1024) (default 0) padding ..FV.... set inner border thickness in pixels (from 0 to 1024) (default 0) color ..FV.... set the color of the unused area (default "black") tinterlace AVOptions: mode ..FV.... select interlace mode (from 0 to 7) (default merge) merge ..FV.... merge fields drop_even ..FV.... drop even fields drop_odd ..FV.... drop odd fields pad ..FV.... pad alternate lines with black interleave_top ..FV.... interleave top and bottom fields interleave_bottom ..FV.... interleave bottom and top fields interlacex2 ..FV.... interlace fields from two consecutive frames mergex2 ..FV.... merge fields keeping same frame rate transpose AVOptions: dir ..FV.... set transpose direction (from 0 to 7) (default cclock_flip) passthrough ..FV.... do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX) (default none) none ..FV.... always apply transposition portrait ..FV.... preserve portrait geometry landscape ..FV.... preserve landscape geometry trim AVOptions: starti ..FV.... Timestamp of the first frame that should be passed (default I64_MAX) endi ..FV.... Timestamp of the first frame that should be dropped again (default I64_MAX) start_pts ..FV.... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN) end_pts ..FV.... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN) durationi ..FV.... Maximum duration of the output (default 0) start_frame ..FV.... Number of the first frame that should be passed to the output (from -1 to I64_MAX) (default -1) end_frame ..FV.... Number of the first frame that should be dropped again (from 0 to I64_MAX) (default I64_MAX) start ..FV.... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX) end ..FV.... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX) duration ..FV.... Maximum duration of the output in seconds (from 0 to DBL_MAX) (default 0) unsharp AVOptions: luma_msize_x ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5) lx ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5) luma_msize_y ..FV.... set luma matrix vertical size (from 3 to 63) (default 5) ly ..FV.... set luma matrix vertical size (from 3 to 63) (default 5) luma_amount ..FV.... set luma effect strength (from -2 to 5) (default 1) la ..FV.... set luma effect strength (from -2 to 5) (default 1) chroma_msize_x ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5) cx ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5) chroma_msize_y ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5) cy ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5) chroma_amount ..FV.... set chroma effect strength (from -2 to 5) (default 0) ca ..FV.... set chroma effect strength (from -2 to 5) (default 0) opencl ..FV.... use OpenCL filtering capabilities (default false) uspp AVOptions: quality ..FV.... set quality (from 0 to 8) (default 3) qp ..FV.... force a constant quantizer parameter (from 0 to 63) (default 0) use_bframe_qp ..FV.... use B-frames' QP (default false) vectorscope AVOptions: mode ..FV.... set vectorscope mode (from 0 to 4) (default gray) gray ..FV.... color ..FV.... color2 ..FV.... color3 ..FV.... color4 ..FV.... m ..FV.... set vectorscope mode (from 0 to 4) (default gray) gray ..FV.... color ..FV.... color2 ..FV.... color3 ..FV.... color4 ..FV.... x ..FV.... set color component on X axis (from 0 to 2) (default 1) y ..FV.... set color component on Y axis (from 0 to 2) (default 2) intensity ..FV.... set intensity (from 0 to 1) (default 0.004) i ..FV.... set intensity (from 0 to 1) (default 0.004) envelope ..FV.... set envelope (from 0 to 3) (default none) none ..FV.... instant ..FV.... peak ..FV.... peak+instant ..FV.... e ..FV.... set envelope (from 0 to 3) (default none) none ..FV.... instant ..FV.... peak ..FV.... peak+instant ..FV.... vidstabdetect AVOptions: result ..FV.... path to the file used to write the transforms (default "transforms.trf") shakiness ..FV.... how shaky is the video and how quick is the camera? 1: little (fast) 10: very strong/quick (slow) (from 1 to 10) (default 5) accuracy ..FV.... (>=shakiness) 1: low 15: high (slow) (from 1 to 15) (default 15) stepsize ..FV.... region around minimum is scanned with 1 pixel resolution (from 1 to 32) (default 6) mincontrast ..FV.... below this contrast a field is discarded (0-1) (from 0 to 1) (default 0.25) show ..FV.... 0: draw nothing; 1,2: show fields and transforms (from 0 to 2) (default 0) tripod ..FV.... virtual tripod mode (if >0): motion is compared to a reference reference frame (frame # is the value) (from 0 to INT_MAX) (default 0) vidstabtransform AVOptions: input ..FV.... set path to the file storing the transforms (default "transforms.trf") smoothing ..FV.... set number of frames*2 + 1 used for lowpass filtering (from 0 to 1000) (default 15) optalgo ..FV.... set camera path optimization algo (from 0 to 2) (default opt) opt ..FV.... global optimization gauss ..FV.... gaussian kernel avg ..FV.... simple averaging on motion maxshift ..FV.... set maximal number of pixels to translate image (from -1 to 500) (default -1) maxangle ..FV.... set maximal angle in rad to rotate image (from -1 to 3.14) (default -1) crop ..FV.... set cropping mode (from 0 to 1) (default keep) keep ..FV.... keep border black ..FV.... black border invert ..FV.... invert transforms (from 0 to 1) (default 0) relative ..FV.... consider transforms as relative (from 0 to 1) (default 1) zoom ..FV.... set percentage to zoom (>0: zoom in, <0: zoom out (from -100 to 100) (default 0) optzoom ..FV.... set optimal zoom (0: nothing, 1: optimal static zoom, 2: optimal dynamic zoom) (from 0 to 2) (default 1) zoomspeed ..FV.... for adative zoom: percent to zoom maximally each frame (from 0 to 5) (default 0.25) interpol ..FV.... set type of interpolation (from 0 to 3) (default bilinear) no ..FV.... no interpolation linear ..FV.... linear (horizontal) bilinear ..FV.... bi-linear bicubic ..FV.... bi-cubic tripod ..FV.... enable virtual tripod mode (same as relative=0:smoothing=0) (default false) debug ..FV.... enable debug mode and writer global motions information to file (default false) vignette AVOptions: angle ..FV.... set lens angle (default "PI/5") a ..FV.... set lens angle (default "PI/5") x0 ..FV.... set circle center position on x-axis (default "w/2") y0 ..FV.... set circle center position on y-axis (default "h/2") mode ..FV.... set forward/backward mode (from 0 to 1) (default forward) forward ..FV.... backward ..FV.... eval ..FV.... specify when to evaluate expressions (from 0 to 1) (default init) init ..FV.... eval expressions once during initialization frame ..FV.... eval expressions for each frame dither ..FV.... set dithering (default true) aspect ..FV.... set aspect ratio (from 0 to DBL_MAX) (default 1/1) vstack AVOptions: inputs ..FV.... set number of inputs (from 2 to INT_MAX) (default 2) w3fdif AVOptions: filter ..FV.... specify the filter (from 0 to 1) (default complex) simple ..FV.... complex ..FV.... deint ..FV.... specify which frames to deinterlace (from 0 to 1) (default all) all ..FV.... deinterlace all frames interlaced ..FV.... only deinterlace frames marked as interlaced waveform AVOptions: mode ..FV.... set mode (from 0 to 1) (default column) row ..FV.... column ..FV.... m ..FV.... set mode (from 0 to 1) (default column) row ..FV.... column ..FV.... intensity ..FV.... set intensity (from 0 to 1) (default 0.04) i ..FV.... set intensity (from 0 to 1) (default 0.04) mirror ..FV.... set mirroring (default true) r ..FV.... set mirroring (default true) display ..FV.... set display mode (from 0 to 1) (default parade) overlay ..FV.... parade ..FV.... d ..FV.... set display mode (from 0 to 1) (default parade) overlay ..FV.... parade ..FV.... components ..FV.... set components to display (from 1 to 15) (default 1) c ..FV.... set components to display (from 1 to 15) (default 1) envelope ..FV.... set envelope to display (from 0 to 3) (default none) none ..FV.... instant ..FV.... peak ..FV.... peak+instant ..FV.... e ..FV.... set envelope to display (from 0 to 3) (default none) none ..FV.... instant ..FV.... peak ..FV.... peak+instant ..FV.... filter ..FV.... set filter (from 0 to 5) (default lowpass) lowpass ..FV.... flat ..FV.... aflat ..FV.... chroma ..FV.... achroma ..FV.... color ..FV.... f ..FV.... set filter (from 0 to 5) (default lowpass) lowpass ..FV.... flat ..FV.... aflat ..FV.... chroma ..FV.... achroma ..FV.... color ..FV.... xbr AVOptions: n ..FV.... set scale factor (from 2 to 4) (default 3) yadif AVOptions: mode ..FV.... specify the interlacing mode (from 0 to 3) (default send_frame) send_frame ..FV.... send one frame for each frame send_field ..FV.... send one frame for each field send_frame_nospatial ..FV.... send one frame for each frame, but skip spatial interlacing check send_field_nospatial ..FV.... send one frame for each field, but skip spatial interlacing check parity ..FV.... specify the assumed picture field parity (from -1 to 1) (default auto) tff ..FV.... assume top field first bff ..FV.... assume bottom field first auto ..FV.... auto detect parity deint ..FV.... specify which frames to deinterlace (from 0 to 1) (default all) all ..FV.... deinterlace all frames interlaced ..FV.... only deinterlace frames marked as interlaced zoompan AVOptions: zoom ..FV.... set the zoom expression (default "1") z ..FV.... set the zoom expression (default "1") x ..FV.... set the x expression (default "0") y ..FV.... set the y expression (default "0") d ..FV.... set the duration expression (default "90") s ..FV.... set the output image size (default "hd720") allrgb AVOptions: rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) allyuv AVOptions: rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) cellauto AVOptions: filename ..FV.... read initial pattern from file f ..FV.... read initial pattern from file pattern ..FV.... set initial pattern p ..FV.... set initial pattern rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") size ..FV.... set video size s ..FV.... set video size rule ..FV.... set rule (from 0 to 255) (default 110) random_fill_ratio ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) ratio ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) random_seed ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) seed ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) scroll ..FV.... scroll pattern downward (default true) start_full ..FV.... start filling the whole video (default false) full ..FV.... start filling the whole video (default true) stitch ..FV.... stitch boundaries (default true) color AVOptions: color ..FV.... set color (default "black") c ..FV.... set color (default "black") size ..FV.... set video size (default "320x240") s ..FV.... set video size (default "320x240") rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) frei0r_src AVOptions: size ..FV.... Dimensions of the generated video. (default "320x240") framerate ..FV.... (default "25") filter_name ..FV.... filter_params ..FV.... haldclutsrc AVOptions: level ..FV.... set level (from 2 to 8) (default 6) rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) life AVOptions: filename ..FV.... set source file f ..FV.... set source file size ..FV.... set video size s ..FV.... set video size rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") rule ..FV.... set rule (default "B3/S23") random_fill_ratio ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) ratio ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) random_seed ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) seed ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) stitch ..FV.... stitch boundaries (default true) mold ..FV.... set mold speed for dead cells (from 0 to 255) (default 0) life_color ..FV.... set life color (default "white") death_color ..FV.... set death color (default "black") mold_color ..FV.... set mold color (default "black") mandelbrot AVOptions: size ..FV.... set frame size (default "640x480") s ..FV.... set frame size (default "640x480") rate ..FV.... set frame rate (default "25") r ..FV.... set frame rate (default "25") maxiter ..FV.... set max iterations number (from 1 to INT_MAX) (default 7189) start_x ..FV.... set the initial x position (from -100 to 100) (default -0.743644) start_y ..FV.... set the initial y position (from -100 to 100) (default -0.131826) start_scale ..FV.... set the initial scale value (from 0 to FLT_MAX) (default 3) end_scale ..FV.... set the terminal scale value (from 0 to FLT_MAX) (default 0.3) end_pts ..FV.... set the terminal pts value (from 0 to I64_MAX) (default 400) bailout ..FV.... set the bailout value (from 0 to FLT_MAX) (default 10) morphxf ..FV.... set morph x frequency (from -FLT_MAX to FLT_MAX) (default 0.01) morphyf ..FV.... set morph y frequency (from -FLT_MAX to FLT_MAX) (default 0.0123) morphamp ..FV.... set morph amplitude (from -FLT_MAX to FLT_MAX) (default 0) outer ..FV.... set outer coloring mode (from 0 to INT_MAX) (default normalized_iteration_count) iteration_count ..FV.... set iteration count mode normalized_iteration_count ..FV.... set normalized iteration count mode white ..FV.... set white mode outz ..FV.... set outz mode inner ..FV.... set inner coloring mode (from 0 to INT_MAX) (default mincol) black ..FV.... set black mode period ..FV.... set period mode convergence ..FV.... show time until convergence mincol ..FV.... color based on point closest to the origin of the iterations mptestsrc AVOptions: rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) test ..FV.... set test to perform (from 0 to INT_MAX) (default all) dc_luma ..FV.... dc_chroma ..FV.... freq_luma ..FV.... freq_chroma ..FV.... amp_luma ..FV.... amp_chroma ..FV.... cbp ..FV.... mv ..FV.... ring1 ..FV.... ring2 ..FV.... all ..FV.... t ..FV.... set test to perform (from 0 to INT_MAX) (default all) dc_luma ..FV.... dc_chroma ..FV.... freq_luma ..FV.... freq_chroma ..FV.... amp_luma ..FV.... amp_chroma ..FV.... cbp ..FV.... mv ..FV.... ring1 ..FV.... ring2 ..FV.... all ..FV.... nullsrc AVOptions: size ..FV.... set video size (default "320x240") s ..FV.... set video size (default "320x240") rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) rgbtestsrc AVOptions: size ..FV.... set video size (default "320x240") s ..FV.... set video size (default "320x240") rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) smptebars AVOptions: size ..FV.... set video size (default "320x240") s ..FV.... set video size (default "320x240") rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) smptehdbars AVOptions: size ..FV.... set video size (default "320x240") s ..FV.... set video size (default "320x240") rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) testsrc AVOptions: size ..FV.... set video size (default "320x240") s ..FV.... set video size (default "320x240") rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") duration ..FV.... set video duration (default -1) d ..FV.... set video duration (default -1) sar ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) decimals ..FV.... set number of decimals to show (from 0 to 17) (default 0) n ..FV.... set number of decimals to show (from 0 to 17) (default 0) adrawgraph AVOptions: m1 ..FV.... set 1st metadata key (default "") fg1 ..FV.... set 1st foreground color expression (default "0xffff0000") m2 ..FV.... set 2nd metadata key (default "") fg2 ..FV.... set 2nd foreground color expression (default "0xff00ff00") m3 ..FV.... set 3rd metadata key (default "") fg3 ..FV.... set 3rd foreground color expression (default "0xffff00ff") m4 ..FV.... set 4th metadata key (default "") fg4 ..FV.... set 4th foreground color expression (default "0xffffff00") bg ..FV.... set background color (default "white") min ..FV.... set minimal value (from INT_MIN to INT_MAX) (default -1) max ..FV.... set maximal value (from INT_MIN to INT_MAX) (default 1) mode ..FV.... set graph mode (from 0 to 2) (default line) bar ..FV.... draw bars dot ..FV.... draw dots line ..FV.... draw lines slide ..FV.... set slide mode (from 0 to 3) (default frame) frame ..FV.... draw new frames replace ..FV.... replace old columns with new scroll ..FV.... scroll from right to left rscroll ..FV.... scroll from left to right size ..FV.... set graph size (default "900x256") s ..FV.... set graph size (default "900x256") aphasemeter AVOptions: rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") size ..FV.... set video size (default "800x400") s ..FV.... set video size (default "800x400") rc ..FV.... set red contrast (from 0 to 255) (default 2) gc ..FV.... set green contrast (from 0 to 255) (default 7) bc ..FV.... set blue contrast (from 0 to 255) (default 1) mpc ..FV.... set median phase color (default "none") avectorscope AVOptions: mode ..FV.... set mode (from 0 to 2) (default lissajous) lissajous ..FV.... lissajous_xy ..FV.... polar ..FV.... m ..FV.... set mode (from 0 to 2) (default lissajous) lissajous ..FV.... lissajous_xy ..FV.... polar ..FV.... rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") size ..FV.... set video size (default "400x400") s ..FV.... set video size (default "400x400") rc ..FV.... set red contrast (from 0 to 255) (default 40) gc ..FV.... set green contrast (from 0 to 255) (default 160) bc ..FV.... set blue contrast (from 0 to 255) (default 80) ac ..FV.... set alpha contrast (from 0 to 255) (default 255) rf ..FV.... set red fade (from 0 to 255) (default 15) gf ..FV.... set green fade (from 0 to 255) (default 10) bf ..FV.... set blue fade (from 0 to 255) (default 5) af ..FV.... set alpha fade (from 0 to 255) (default 5) zoom ..FV.... set zoom factor (from 1 to 10) (default 1) concat AVOptions: n ..FVA... specify the number of segments (from 1 to INT_MAX) (default 2) v ..FV.... specify the number of video streams (from 0 to INT_MAX) (default 1) a ..F.A... specify the number of audio streams (from 0 to INT_MAX) (default 0) unsafe ..FVA... enable unsafe mode (default false) showcqt AVOptions: size ..FV.... set video size (default "1920x1080") s ..FV.... set video size (default "1920x1080") fps ..FV.... set video rate (default "25") rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") bar_h ..FV.... set bargraph height (from -1 to INT_MAX) (default -1) axis_h ..FV.... set axis height (from -1 to INT_MAX) (default -1) sono_h ..FV.... set sonogram height (from -1 to INT_MAX) (default -1) fullhd ..FV.... set fullhd size (default true) sono_v ..FV.... set sonogram volume (default "16") volume ..FV.... set sonogram volume (default "16") bar_v ..FV.... set bargraph volume (default "sono_v") volume2 ..FV.... set bargraph volume (default "sono_v") sono_g ..FV.... set sonogram gamma (from 1 to 7) (default 3) gamma ..FV.... set sonogram gamma (from 1 to 7) (default 3) bar_g ..FV.... set bargraph gamma (from 1 to 7) (default 1) gamma2 ..FV.... set bargraph gamma (from 1 to 7) (default 1) timeclamp ..FV.... set timeclamp (from 0.1 to 1) (default 0.17) tc ..FV.... set timeclamp (from 0.1 to 1) (default 0.17) basefreq ..FV.... set base frequency (from 10 to 100000) (default 20.0152) endfreq ..FV.... set end frequency (from 10 to 100000) (default 20495.6) coeffclamp ..FV.... set coeffclamp (from 0.1 to 10) (default 1) tlength ..FV.... set tlength (default "384*tc/(384+tc*f)") count ..FV.... set transform count (from 1 to 30) (default 6) fcount ..FV.... set frequency count (from 0 to 10) (default 0) fontfile ..FV.... set axis font fontcolor ..FV.... set font color (default "st(0, (midi(f)-59.5)/12);st(1, if(between(ld(0),0,1), 0.5-0.5*cos(2*PI*ld(0)), 0));r(1-ld(1)) + b(ld(1))") axisfile ..FV.... set axis image axis ..FV.... draw axis (default true) text ..FV.... draw axis (default true) showfreqs AVOptions: size ..FV.... set video size (default "1024x512") s ..FV.... set video size (default "1024x512") mode ..FV.... set display mode (from 0 to 2) (default bar) line ..FV.... show lines bar ..FV.... show bars dot ..FV.... show dots ascale ..FV.... set amplitude scale (from 0 to 3) (default log) lin ..FV.... linear sqrt ..FV.... square root cbrt ..FV.... cubic root log ..FV.... logarithmic fscale ..FV.... set frequency scale (from 0 to 2) (default lin) lin ..FV.... linear log ..FV.... logarithmic rlog ..FV.... reverse logarithmic win_size ..FV.... set window size (from 4 to 16) (default w2048) w16 ..FV.... w32 ..FV.... w64 ..FV.... w128 ..FV.... w256 ..FV.... w512 ..FV.... w1024 ..FV.... w2048 ..FV.... w4096 ..FV.... w8192 ..FV.... w16384 ..FV.... w32768 ..FV.... w65536 ..FV.... win_func ..FV.... set window function (from 0 to 13) (default hanning) rect ..FV.... Rectangular bartlett ..FV.... Bartlett hanning ..FV.... Hanning hamming ..FV.... Hamming blackman ..FV.... Blackman welch ..FV.... Welch flattop ..FV.... Flat-top bharris ..FV.... Blackman-Harris bnuttall ..FV.... Blackman-Nuttall bhann ..FV.... Bartlett-Hann sine ..FV.... Sine nuttall ..FV.... Nuttall lanczos ..FV.... Lanczos gauss ..FV.... Gauss overlap ..FV.... set window overlap (from 0 to 1) (default 1) averaging ..FV.... set time averaging (from 0 to INT_MAX) (default 1) colors ..FV.... set channels colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown") showspectrum AVOptions: size ..FV.... set video size (default "640x512") s ..FV.... set video size (default "640x512") slide ..FV.... set sliding mode (from 0 to 3) (default replace) replace ..FV.... replace old columns with new scroll ..FV.... scroll from right to left fullframe ..FV.... return full frames mode ..FV.... set channel display mode (from 0 to 1) (default combined) combined ..FV.... combined mode separate ..FV.... separate mode color ..FV.... set channel coloring (from 0 to 1) (default channel) channel ..FV.... separate color for each channel intensity ..FV.... intensity based coloring scale ..FV.... set display scale (from 0 to 3) (default sqrt) sqrt ..FV.... square root cbrt ..FV.... cubic root log ..FV.... logarithmic lin ..FV.... linear saturation ..FV.... color saturation multiplier (from -10 to 10) (default 1) win_func ..FV.... set window function (from 0 to 3) (default hann) hann ..FV.... Hann window hamming ..FV.... Hamming window blackman ..FV.... Blackman window showvolume AVOptions: rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") b ..FV.... set border width (from 0 to 5) (default 1) w ..FV.... set channel width (from 40 to 1080) (default 400) h ..FV.... set channel height (from 1 to 100) (default 20) f ..FV.... set fade (from 1 to 255) (default 20) c ..FV.... set volume color expression (default "if(gte(VOLUME,-2), if(gte(VOLUME,-1),0xff0000ff, 0xff00ffff),0xff00ff00)") t ..FV.... display channel names (default true) showwaves AVOptions: size ..FV.... set video size (default "600x240") s ..FV.... set video size (default "600x240") mode ..FV.... select display mode (from 0 to 3) (default point) point ..FV.... draw a point for each sample line ..FV.... draw a line for each sample p2p ..FV.... draw a line between samples cline ..FV.... draw a centered line for each sample n ..FV.... set how many samples to show in the same point (from 0 to INT_MAX) (default 0) rate ..FV.... set video rate (default "25") r ..FV.... set video rate (default "25") split_channels ..FV.... draw channels separately (default false) showwavespic AVOptions: size ..FV.... set video size (default "600x240") s ..FV.... set video size (default "600x240") split_channels ..FV.... draw channels separately (from 0 to 1) (default 0) amovie AVOptions: filename ..FVA... format_name ..FVA... set format name f ..FVA... set format name stream_index ..FVA... set stream index (from -1 to INT_MAX) (default -1) si ..FVA... set stream index (from -1 to INT_MAX) (default -1) seek_point ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0) sp ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0) streams ..FVA... set streams s ..FVA... set streams loop ..FVA... set loop count (from 0 to INT_MAX) (default 1) movie AVOptions: filename ..FVA... format_name ..FVA... set format name f ..FVA... set format name stream_index ..FVA... set stream index (from -1 to INT_MAX) (default -1) si ..FVA... set stream index (from -1 to INT_MAX) (default -1) seek_point ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0) sp ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+012) (default 0) streams ..FVA... set streams s ..FVA... set streams loop ..FVA... set loop count (from 0 to INT_MAX) (default 1) abuffer AVOptions: time_base ..F.A... (from 0 to INT_MAX) (default 0/1) sample_rate ..F.A... (from 0 to INT_MAX) (default 0) sample_fmt ..F.A... (default none) channel_layout ..F.A... channels ..F.A... (from 0 to INT_MAX) (default 0) buffer AVOptions: width ..FV.... (from 0 to INT_MAX) (default 0) video_size ..FV.... height ..FV.... (from 0 to INT_MAX) (default 0) pix_fmt ..FV.... (default none) time_base_num ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) time_base_den ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) sar_num ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) sar_den ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) sar ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1) pixel_aspect ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1) time_base ..FV.... (from 0 to DBL_MAX) (default 0/1) frame_rate ..FV.... (from 0 to DBL_MAX) (default 0/1) sws_param ..FV.... abuffersink AVOptions: sample_fmts ..FV.... set the supported sample formats sample_rates ..FV.... set the supported sample rates channel_layouts ..FV.... set the supported channel layouts channel_counts ..FV.... set the supported channel counts all_channel_counts ..FV.... accept all channel counts (default false) buffersink AVOptions: pix_fmts ..FV.... set the supported pixel formats