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ffmpeg -h full
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) 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 -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 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 -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 -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 -async audio sync method -adrift_threshold threshold audio drift threshold -copyts copy timestamps -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 -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 -vdt n discard threshold -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 -dc precision intra_dc_precision -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 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 -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", "dv50", "pal-vcd", "ntsc-svcd", ...) -apad audio pad -frames number set the number of frames to record -filter filter_graph set stream filtergraph -filter_script filename read stream filtergraph description from a file -reinit_filter reinit filtergraph on input parameter changes 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 record -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 -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 record -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 -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 -vdt n discard threshold -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 -dc precision intra_dc_precision -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 select a device for HW accelerationdevicename -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 record -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 <int> E..VA... set bitrate (in bits/s) (from 0 to INT_MAX) (default 200000) -ab <int> E...A... set bitrate (in bits/s) (from 0 to INT_MAX) (default 128000) -bt <int> 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+06) -flags <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 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 <int> E..V.... set motion estimation method (from INT_MIN to INT_MAX) (default 5) zero E..V.... zero motion estimation (fastest) full E..V.... full motion estimation (slowest) epzs E..V.... EPZS motion estimation (default) 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 <int> E..V.... set the group of picture (GOP) size (from INT_MIN to INT_MAX) (default 12) -ar <int> ED..A... set audio sampling rate (in Hz) (from INT_MIN to INT_MAX) (default 0) -ac <int> ED..A... set number of audio channels (from INT_MIN to INT_MAX) (default 0) -cutoff <int> E...A... set cutoff bandwidth (from INT_MIN to INT_MAX) (default 0) -frame_size <int> E...A... (from INT_MIN to INT_MAX) (default 0) -qcomp <float> 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 <float> E..V.... video quantizer scale blur (VBR) (from -1 to FLT_MAX) (default 0.5) -qmin <int> E..V.... minimum video quantizer scale (VBR) (from -1 to 69) (default 2) -qmax <int> E..V.... maximum video quantizer scale (VBR) (from -1 to 1024) (default 31) -qdiff <int> E..V.... maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3) -bf <int> E..V.... set maximum number of B frames between non-B-frames (from -1 to INT_MAX) (default 0) -b_qfactor <float> E..V.... QP factor between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25) -rc_strategy <int> E..V.... ratecontrol method (from INT_MIN to INT_MAX) (default 0) -b_strategy <int> E..V.... strategy to choose between I/P/B-frames (from INT_MIN to INT_MAX) (default 0) -ps <int> E..V.... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0) -bug <flags> .D.V.... work around not autodetected encoder bugs (default 1) 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 <int> ED.VA... how strictly to follow the standards (from INT_MIN to INT_MAX) (default 0) 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 <float> E..V.... QP offset between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25) -err_detect <flags> .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 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 <int> E..V.... use MPEG quantizers instead of H.263 (from INT_MIN to INT_MAX) (default 0) -qsquish <float> 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 <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0) -rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0) -rc_eq <string> 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. -maxrate <int> E..VA... Set maximum bitrate tolerance (in bits/s). Requires bufsize to be set. (from INT_MIN to INT_MAX) (default 0) -minrate <int> E..VA... Set minimum bitrate tolerance (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 <int> E..VA... set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default 0) -rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1) -i_qfactor <float> E..V.... QP factor between P- and I-frames (from -FLT_MAX to FLT_MAX) (default -0.8) -i_qoffset <float> E..V.... QP offset between P- and I-frames (from -FLT_MAX to FLT_MAX) (default 0) -rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0) -dct <int> E..V.... DCT algorithm (from 0 to INT_MAX) (default 0) auto E..V.... autoselect a good one (default) 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 <float> E..V.... compresses bright areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0) -tcplx_mask <float> E..V.... temporal complexity masking (from -FLT_MAX to FLT_MAX) (default 0) -scplx_mask <float> E..V.... spatial complexity masking (from -FLT_MAX to FLT_MAX) (default 0) -p_mask <float> E..V.... inter masking (from -FLT_MAX to FLT_MAX) (default 0) -dark_mask <float> E..V.... compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0) -idct <int> ED.V.... select IDCT implementation (from 0 to INT_MAX) (default 0) 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.... xvidmmx ED.V.... faani ED.V.... floating point AAN IDCT -ec <flags> .D.V.... set error concealment strategy (default 3) guess_mvs .D.V.... iterative motion vector (MV) search (slow) deblock .D.V.... use strong deblock filter for damaged MBs -pred <int> E..V.... prediction method (from INT_MIN to INT_MAX) (default 0) left E..V.... plane E..V.... median E..V.... -aspect <rational> E..V.... sample aspect ratio (from 0 to 10) (default 0/1) -debug <flags> 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.... 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 -vismv <int> .D.V.... visualize motion vectors (MVs) (from 0 to INT_MAX) (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 <int> E..V.... full-pel ME compare function (from INT_MIN to INT_MAX) (default 0) sad E..V.... sum of absolute differences, fast (default) 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 <int> E..V.... sub-pel ME compare function (from INT_MIN to INT_MAX) (default 0) sad E..V.... sum of absolute differences, fast (default) 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 <int> E..V.... macroblock compare function (from INT_MIN to INT_MAX) (default 0) sad E..V.... sum of absolute differences, fast (default) 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 <int> E..V.... interlaced DCT compare function (from INT_MIN to INT_MAX) (default 8) sad E..V.... sum of absolute differences, fast (default) 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 <int> E..V.... diamond type & size for motion estimation (from INT_MIN to INT_MAX) (default 0) -last_pred <int> E..V.... amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default 0) -preme <int> E..V.... pre motion estimation (from INT_MIN to INT_MAX) (default 0) -precmp <int> E..V.... pre motion estimation compare function (from INT_MIN to INT_MAX) (default 0) sad E..V.... sum of absolute differences, fast (default) 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 <int> E..V.... diamond type & size for motion estimation pre-pass (from INT_MIN to INT_MAX) (default 0) -subq <int> E..V.... sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default 8) -me_range <int> E..V.... limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX) (default 0) -ibias <int> E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999) -pbias <int> E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999) -global_quality <int> E..VA... (from INT_MIN to INT_MAX) (default 0) -coder <int> E..V.... (from INT_MIN to INT_MAX) (default 0) 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 <int> E..V.... context model (from INT_MIN to INT_MAX) (default 0) -mbd <int> E..V.... macroblock decision algorithm (high quality mode) (from 0 to 2) (default 0) simple E..V.... use mbcmp (default) bits E..V.... use fewest bits rd E..V.... use best rate distortion -sc_threshold <int> E..V.... scene change threshold (from INT_MIN to INT_MAX) (default 0) -lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236) -lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658) -nr <int> E..V.... noise reduction (from INT_MIN to INT_MAX) (default 0) -rc_init_occupancy <int> 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 <flags> 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 -error <int> E..V.... (from INT_MIN to INT_MAX) (default 0) -threads <int> ED.VA... (from 0 to INT_MAX) (default 1) auto ED.V.... autodetect a suitable number of threads to use -me_threshold <int> E..V.... motion estimation threshold (from INT_MIN to INT_MAX) (default 0) -mb_threshold <int> E..V.... macroblock threshold (from INT_MIN to INT_MAX) (default 0) -dc <int> E..V.... intra_dc_precision (from INT_MIN to INT_MAX) (default 0) -nssew <int> E..V.... nsse weight (from INT_MIN to INT_MAX) (default 8) -skip_top <int> .D.V.... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0) -skip_bottom <int> .D.V.... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0) -profile <int> E..VA... (from INT_MIN to INT_MAX) (default -99) 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... -level <int> E..VA... (from INT_MIN to INT_MAX) (default -99) unknown E..VA... -lowres <int> .D.VA... decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0) -skip_threshold <int> E..V.... frame skip threshold (from INT_MIN to INT_MAX) (default 0) -skip_factor <int> E..V.... frame skip factor (from INT_MIN to INT_MAX) (default 0) -skip_exp <int> E..V.... frame skip exponent (from INT_MIN to INT_MAX) (default 0) -skipcmp <int> E..V.... frame skip compare function (from INT_MIN to INT_MAX) (default 13) sad E..V.... sum of absolute differences, fast (default) 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 <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0) -mblmin <int> E..V.... minimum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 236) -mblmax <int> E..V.... maximum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 3658) -mepc <int> E..V.... motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256) -skip_loop_filter <int> .D.V.... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default 0) 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 all .D.V.... discard all frames -skip_idct <int> .D.V.... skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default 0) 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 all .D.V.... discard all frames -skip_frame <int> .D.V.... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default 0) 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 all .D.V.... discard all frames -bidir_refine <int> E..V.... refine the two motion vectors used in bidirectional macroblocks (from 0 to 4) (default 1) -brd_scale <int> E..V.... downscale frames for dynamic B-frame decision (from 0 to 10) (default 0) -keyint_min <int> E..V.... minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default 25) -refs <int> E..V.... reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default 1) -chromaoffset <int> E..V.... chroma QP offset from luma (from INT_MIN to INT_MAX) (default 0) -trellis <int> E..VA... rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default 0) -sc_factor <int> E..V.... multiplied by qscale for each frame and added to scene_change_score (from 0 to INT_MAX) (default 6) -mv0_threshold <int> E..V.... (from 0 to INT_MAX) (default 256) -b_sensitivity <int> E..V.... adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40) -compression_level <int> E..VA... (from INT_MIN to INT_MAX) (default -1) -min_prediction_order <int> E...A... (from INT_MIN to INT_MAX) (default -1) -max_prediction_order <int> E...A... (from INT_MIN to INT_MAX) (default -1) -timecode_frame_start <int64> E..V.... GOP timecode frame start number, in non-drop-frame format (from 0 to I64_MAX) (default 0) -request_channels <int> .D..A... set desired number of audio channels (from 0 to INT_MAX) (default 0) -channel_layout <int64> ED..A... (from 0 to I64_MAX) (default 0) -request_channel_layout <int64> .D..A... (from 0 to I64_MAX) (default 0) -rc_max_vbv_use <float> E..V.... (from 0 to FLT_MAX) (default 0) -rc_min_vbv_use <float> E..V.... (from 0 to FLT_MAX) (default 3) -ticks_per_frame <int> ED.VA... (from 1 to INT_MAX) (default 1) -color_primaries <int> ED.V.... (from 1 to 9) (default 2) -color_trc <int> ED.V.... (from 1 to 15) (default 2) -colorspace <int> ED.V.... (from 1 to 10) (default 2) -color_range <int> ED.V.... (from 0 to 2) (default 0) -chroma_sample_location <int> ED.V.... (from 0 to 6) (default 0) -slices <int> E..V.... number of slices, used in parallelized encoding (from 0 to INT_MAX) (default 0) -thread_type <flags> ED.VA... select multithreading type (default 3) slice ED.V.... frame ED.V.... -audio_service_type <int> E...A... audio service type (from 0 to 8) (default 0) 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 <sample_fmt> .D..A... sample format audio decoders should prefer (default none) -sub_charenc <string> .D...S.. set input text subtitles character encoding -sub_charenc_mode <flags> .D...S.. set input text subtitles character encoding mode (default 0) do_nothing .D...S.. auto .D...S.. pre_decoder .D...S.. -refcounted_frames <int> .D.VA... (from 0 to 1) (default 0) -skip_alpha <int> .D.V.... Skip processing alpha (from 0 to 1) (default 0) -field_order <int> 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.... cinepak AVOptions: -max_extra_cb_iterations <int> E..V.... Max extra codebook recalculation passes, more is better and slower (from 0 to INT_MAX) (default 2) -skip_empty_cb <int> E..V.... Avoid wasting bytes, ignore vintage MacOS decoder (from 0 to 1) (default 0) -max_strips <int> E..V.... Limit strips/frame, vintage compatible is 1..3, otherwise the more the better (from 1 to 32) (default 3) -min_strips <int> E..V.... Enforce min strips/frame, more is worse and faster, must be <= max_strips (from 1 to 32) (default 1) -strip_number_adaptivity <int> 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 <int> E..V.... Dither type (from 0 to 2) (default 1) dnxhd AVOptions: -nitris_compat <int> E..V.... encode with Avid Nitris compatibility (from 0 to 1) (default 0) EXR AVOptions: -layer <string> .D.V.... Set the decoding layer (default "") ffv1 encoder AVOptions: -slicecrc <int> E..V.... Protect slices with CRCs (from -1 to 1) (default -1) flv encoder AVOptions: -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) frwu Decoder AVOptions: -change_field_order <int> .D.V.... Change field order (from 0 to 1) (default 0) GIF encoder AVOptions: -gifflags <flags> E..V.... set GIF flags (default 3) offsetting E..V.... enable picture offsetting transdiff E..V.... enable transparency detection between frames gif decoder AVOptions: -trans_color <int> .D.V.... color value (ARGB) that is used instead of transparent color (from 0 to UINT32_MAX) (default 1.67772e+07) h261 encoder AVOptions: -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) H.263 encoder AVOptions: -obmc <int> E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0) -structured_slices <int> E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0) -mb_info <int> 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 <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) H.263p encoder AVOptions: -umv <int> E..V.... Use unlimited motion vectors. (from 0 to 1) (default 0) -aiv <int> E..V.... Use alternative inter VLC. (from 0 to 1) (default 0) -obmc <int> E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0) -structured_slices <int> E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0) -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) H264 Decoder AVOptions: HEVC decoder AVOptions: -apply_defdispwin <int> .D.V.... Apply default display window from VUI (from 0 to 1) (default 0) -strict-displaywin <int> .D.V.... stricly apply default display window size (from 0 to 1) (default 0) jpeg2000 AVOptions: -lowres <int> .D.V.... Lower the decoding resolution by a power of two (from 0 to 32) (default 0) MJPEG decoder AVOptions: -extern_huff <int> .D.V.... Use external huffman table. (from 0 to 1) (default 0) mpeg1video encoder AVOptions: -gop_timecode <string> E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format -intra_vlc <int> E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0) -drop_frame_timecode <int> E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0) -scan_offset <int> E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0) -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) mpeg2video encoder AVOptions: -gop_timecode <string> E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format -intra_vlc <int> E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0) -drop_frame_timecode <int> E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0) -scan_offset <int> E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0) -non_linear_quant <int> E..V.... Use nonlinear quantizer. (from 0 to 1) (default 0) -alternate_scan <int> E..V.... Enable alternate scantable. (from 0 to 1) (default 0) -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) MPEG4 encoder AVOptions: -data_partitioning <int> E..V.... Use data partitioning. (from 0 to 1) (default 0) -alternate_scan <int> E..V.... Enable alternate scantable. (from 0 to 1) (default 0) -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) MPEG4 Video Decoder AVOptions: msmpeg4v2 encoder AVOptions: -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) msmpeg4v3 encoder AVOptions: -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) PNG encoder AVOptions: -dpi <int> E..V.... Set image resolution (in dots per inch) (from 0 to 65536) (default 0) -dpm <int> E..V.... Set image resolution (in dots per meter) (from 0 to 65536) (default 0) ProRes encoder AVOptions: -mbs_per_slice <int> E..V.... macroblocks per slice (from 1 to 8) (default 8) -profile <int> E..V.... (from 0 to 4) (default 2) proxy E..V.... lt E..V.... standard E..V.... hq E..V.... 4444 E..V.... -vendor <string> E..V.... vendor ID (default "Lavc") -bits_per_mb <int> E..V.... desired bits per macroblock (from 0 to 8192) (default 0) -quant_mat <int> E..V.... quantiser matrix (from -1 to 4) (default -1) auto E..V.... proxy E..V.... lt E..V.... standard E..V.... hq E..V.... default E..V.... -alpha_bits <int> E..V.... bits for alpha plane (from 0 to 16) (default 16) rawdec AVOptions: -top <int> .D.V.... top field first (from -1 to 1) (default -1) RoQ AVOptions: -quake3_compat <int> E..V.... Whether to respect known limitations in Quake 3 decoder (from 0 to 1) (default 1) rv10 encoder AVOptions: -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) rv20 encoder AVOptions: -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) snow encoder AVOptions: -memc_only <int> E..V.... Only do ME/MC (I frames -> ref, P frame -> ME+MC). (from 0 to 1) (default 0) -no_bitstream <int> E..V.... Skip final bitstream writeout. (from 0 to 1) (default 0) TIFF encoder AVOptions: -dpi <int> E..V.... set the image resolution (in dpi) (from 1 to 65536) (default 72) -compression_algo <int> E..V.... (from 1 to 32946) (default 32773) packbits E..V.... raw E..V.... lzw E..V.... deflate E..V.... V210 Decoder AVOptions: -custom_stride <int> .D.V.... Custom V210 stride (from INT_MIN to INT_MAX) (default 0) wmv1 encoder AVOptions: -mpv_flags <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 -luma_elim_threshold <int> 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 <int> 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 <int> E..V.... (from 0 to INT_MAX) (default 0) -error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0) AAC encoder AVOptions: -stereo_mode <int> E...A... Stereo coding method (from -1 to 1) (default 0) auto E...A... Selected by the Encoder ms_off E...A... Disable Mid/Side coding ms_force E...A... Force Mid/Side for the whole frame if possible -aac_coder <int> E...A... (from 0 to 3) (default 2) faac E...A... FAAC-inspired method anmr E...A... ANMR method twoloop E...A... Two loop searching method fast E...A... Constant quantizer AAC decoder AVOptions: -dual_mono_mode <int> .D..A... Select the channel to decode for dual mono (from -1 to 2) (default -1) 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 <int> E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0) -center_mixlev <float> E...A... Center Mix Level (from 0 to 1) (default 0.594604) -surround_mixlev <float> E...A... Surround Mix Level (from 0 to 1) (default 0.5) -mixing_level <int> E...A... Mixing Level (from -1 to 111) (default -1) -room_type <int> 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 <int> E...A... Copyright Bit (from -1 to 1) (default -1) -dialnorm <int> E...A... Dialogue Level (dB) (from -31 to -1) (default -31) -dsur_mode <int> 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 <int> E...A... Original Bit Stream (from -1 to 1) (default -1) -dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) ltrt E...A... Lt/Rt Downmix Preferred loro E...A... Lo/Ro Downmix Preferred -ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1) -ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1) -loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1) -loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1) -dsurex_mode <int> E...A... Dolby Surround EX Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround EX Encoded off E...A... Not Dolby Surround EX Encoded -dheadphone_mode <int> 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 <int> E...A... A/D Converter Type (from -1 to 1) (default -1) standard E...A... Standard (default) hdcd E...A... HDCD -stereo_rematrixing <int> E...A... Stereo Rematrixing (from 0 to 1) (default 1) -channel_coupling <int> E...A... Channel Coupling (from -1 to 1) (default -1) auto E...A... Selected by the Encoder -cpl_start_band <int> E...A... Coupling Start Band (from -1 to 15) (default -1) auto E...A... Selected by the Encoder AC3 decoder AVOptions: -drc_scale <float> .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1) Fixed-Point AC-3 Encoder AVOptions: -per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0) -center_mixlev <float> E...A... Center Mix Level (from 0 to 1) (default 0.594604) -surround_mixlev <float> E...A... Surround Mix Level (from 0 to 1) (default 0.5) -mixing_level <int> E...A... Mixing Level (from -1 to 111) (default -1) -room_type <int> 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 <int> E...A... Copyright Bit (from -1 to 1) (default -1) -dialnorm <int> E...A... Dialogue Level (dB) (from -31 to -1) (default -31) -dsur_mode <int> 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 <int> E...A... Original Bit Stream (from -1 to 1) (default -1) -dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) ltrt E...A... Lt/Rt Downmix Preferred loro E...A... Lo/Ro Downmix Preferred -ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1) -ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1) -loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1) -loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1) -dsurex_mode <int> E...A... Dolby Surround EX Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround EX Encoded off E...A... Not Dolby Surround EX Encoded -dheadphone_mode <int> 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 <int> E...A... A/D Converter Type (from -1 to 1) (default -1) standard E...A... Standard (default) hdcd E...A... HDCD -stereo_rematrixing <int> E...A... Stereo Rematrixing (from 0 to 1) (default 1) -channel_coupling <int> E...A... Channel Coupling (from -1 to 1) (default -1) auto E...A... Selected by the Encoder -cpl_start_band <int> E...A... Coupling Start Band (from -1 to 15) (default -1) auto E...A... Selected by the Encoder APE decoder AVOptions: -max_samples <int> .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 <int> .D..A... disable decoding of the XCh extension (from 0 to 1) (default 0) E-AC-3 Encoder AVOptions: -per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0) -mixing_level <int> E...A... Mixing Level (from -1 to 111) (default -1) -room_type <int> 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 <int> E...A... Copyright Bit (from -1 to 1) (default -1) -dialnorm <int> E...A... Dialogue Level (dB) (from -31 to -1) (default -31) -dsur_mode <int> 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 <int> E...A... Original Bit Stream (from -1 to 1) (default -1) -dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) ltrt E...A... Lt/Rt Downmix Preferred loro E...A... Lo/Ro Downmix Preferred -ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1) -ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1) -loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1) -loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1) -dsurex_mode <int> E...A... Dolby Surround EX Mode (from -1 to 2) (default -1) notindicated E...A... Not Indicated (default) on E...A... Dolby Surround EX Encoded off E...A... Not Dolby Surround EX Encoded -dheadphone_mode <int> 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 <int> E...A... A/D Converter Type (from -1 to 1) (default -1) standard E...A... Standard (default) hdcd E...A... HDCD -stereo_rematrixing <int> E...A... Stereo Rematrixing (from 0 to 1) (default 1) -channel_coupling <int> E...A... Channel Coupling (from -1 to 1) (default -1) auto E...A... Selected by the Encoder -cpl_start_band <int> E...A... Coupling Start Band (from -1 to 15) (default -1) auto E...A... Selected by the Encoder E-AC3 decoder AVOptions: -drc_scale <float> .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1) FLAC encoder AVOptions: -lpc_coeff_precision <int> E...A... LPC coefficient precision (from 0 to 15) (default 15) -lpc_type <int> E...A... LPC algorithm (from -1 to 3) (default -1) none E...A... fixed E...A... levinson E...A... cholesky E...A... -lpc_passes <int> E...A... Number of passes to use for Cholesky factorization during LPC analysis (from 1 to INT_MAX) (default 2) -min_partition_order <int> E...A... (from -1 to 8) (default -1) -max_partition_order <int> E...A... (from -1 to 8) (default -1) -prediction_order_method <int> 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 <int> E...A... Stereo decorrelation mode (from -1 to 3) (default -1) auto E...A... indep E...A... left_side E...A... right_side E...A... mid_side E...A... G.723.1 decoder AVOptions: -postfilter <int> .D..A... postfilter on/off (from 0 to 1) (default 1) TTA Decoder AVOptions: -password <string> .D..A... Set decoding password WavPack encoder AVOptions: -joint_stereo <int> E...A... (from -1 to 1) (default 0) on E...A... mid/side off E...A... left/right auto E...A... -optimize_mono <int> E...A... (from 0 to 1) (default 0) on E...A... off E...A... g722 decoder AVOptions: -bits_per_codeword <int> .D..A... Bits per G722 codeword (from 6 to 8) (default 8) g726 AVOptions: -code_size <int> E...A... Bits per code (from 2 to 5) (default 4) dvdsubdec AVOptions: -palette <string> .D...S.. set the global palette PGS subtitle decoder AVOptions: -forced_subs_only <int> .D...S.. Only show forced subtitles (from 0 to 1) (default 0) pjs decoder AVOptions: -keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0) subviewer1 decoder AVOptions: -keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0) text decoder AVOptions: -keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0) vplayer decoder AVOptions: -keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0) libx264 AVOptions: -preset <string> E..V.... Set the encoding preset (cf. x264 --fullhelp) (default "medium") -tune <string> E..V.... Tune the encoding params (cf. x264 --fullhelp) -profile <string> E..V.... Set profile restrictions (cf. x264 --fullhelp) -fastfirstpass <int> E..V.... Use fast settings when encoding first pass (from 0 to 1) (default 1) -level <string> E..V.... Specify level (as defined by Annex A) -passlogfile <string> E..V.... Filename for 2 pass stats -wpredp <string> E..V.... Weighted prediction for P-frames -x264opts <string> E..V.... x264 options -crf <float> E..V.... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1) -crf_max <float> E..V.... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1) -qp <int> E..V.... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1) -aq-mode <int> 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 (experimental) -aq-strength <float> E..V.... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1) -psy <int> E..V.... Use psychovisual optimizations. (from -1 to 1) (default -1) -psy-rd <string> E..V.... Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format. -rc-lookahead <int> E..V.... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1) -weightb <int> E..V.... Weighted prediction for B-frames. (from -1 to 1) (default -1) -weightp <int> E..V.... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1) none E..V.... simple E..V.... smart E..V.... -ssim <int> E..V.... Calculate and print SSIM stats. (from -1 to 1) (default -1) -intra-refresh <int> E..V.... Use Periodic Intra Refresh instead of IDR frames. (from -1 to 1) (default -1) -bluray-compat <int> E..V.... Bluray compatibility workarounds. (from -1 to 1) (default -1) -b-bias <int> E..V.... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN) -b-pyramid <int> 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 <int> E..V.... One reference per partition, as opposed to one reference per macroblock (from -1 to 1) (default -1) -8x8dct <int> E..V.... High profile 8x8 transform. (from -1 to 1) (default -1) -fast-pskip <int> E..V.... (from -1 to 1) (default -1) -aud <int> E..V.... Use access unit delimiters. (from -1 to 1) (default -1) -mbtree <int> E..V.... Use macroblock tree ratecontrol. (from -1 to 1) (default -1) -deblock <string> E..V.... Loop filter parameters, in <alpha:beta> form. -cplxblur <float> E..V.... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1) -partitions <string> E..V.... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all -direct-pred <int> 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 <int> E..V.... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1) -stats <string> E..V.... Filename for 2 pass stats -nal-hrd <int> 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.... -x264-params <string> E..V.... Override the x264 configuration using a :-separated list of key=value parameters libx264rgb AVOptions: -preset <string> E..V.... Set the encoding preset (cf. x264 --fullhelp) (default "medium") -tune <string> E..V.... Tune the encoding params (cf. x264 --fullhelp) -profile <string> E..V.... Set profile restrictions (cf. x264 --fullhelp) -fastfirstpass <int> E..V.... Use fast settings when encoding first pass (from 0 to 1) (default 1) -level <string> E..V.... Specify level (as defined by Annex A) -passlogfile <string> E..V.... Filename for 2 pass stats -wpredp <string> E..V.... Weighted prediction for P-frames -x264opts <string> E..V.... x264 options -crf <float> E..V.... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1) -crf_max <float> E..V.... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1) -qp <int> E..V.... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1) -aq-mode <int> 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 (experimental) -aq-strength <float> E..V.... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1) -psy <int> E..V.... Use psychovisual optimizations. (from -1 to 1) (default -1) -psy-rd <string> E..V.... Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format. -rc-lookahead <int> E..V.... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1) -weightb <int> E..V.... Weighted prediction for B-frames. (from -1 to 1) (default -1) -weightp <int> E..V.... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1) none E..V.... simple E..V.... smart E..V.... -ssim <int> E..V.... Calculate and print SSIM stats. (from -1 to 1) (default -1) -intra-refresh <int> E..V.... Use Periodic Intra Refresh instead of IDR frames. (from -1 to 1) (default -1) -bluray-compat <int> E..V.... Bluray compatibility workarounds. (from -1 to 1) (default -1) -b-bias <int> E..V.... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN) -b-pyramid <int> 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 <int> E..V.... One reference per partition, as opposed to one reference per macroblock (from -1 to 1) (default -1) -8x8dct <int> E..V.... High profile 8x8 transform. (from -1 to 1) (default -1) -fast-pskip <int> E..V.... (from -1 to 1) (default -1) -aud <int> E..V.... Use access unit delimiters. (from -1 to 1) (default -1) -mbtree <int> E..V.... Use macroblock tree ratecontrol. (from -1 to 1) (default -1) -deblock <string> E..V.... Loop filter parameters, in <alpha:beta> form. -cplxblur <float> E..V.... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1) -partitions <string> E..V.... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all -direct-pred <int> 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 <int> E..V.... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1) -stats <string> E..V.... Filename for 2 pass stats -nal-hrd <int> 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.... -x264-params <string> E..V.... Override the x264 configuration using a :-separated list of key=value parameters AVFormatContext AVOptions: -avioflags <flags> ED...... (default 0) direct ED...... reduce buffering -probesize <int> .D...... set probing size (from 32 to INT_MAX) (default 5e+06) -packetsize <int> E....... set packet size (from 0 to INT_MAX) (default 0) -fflags <flags> ED...... (default 200) flush_packets .D...... 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 latm E....... enable RTP MP4A-LATM payload nobuffer .D...... reduce the latency introduced by optional buffering -seek2any <int> .D...... allow seeking to non-keyframes on demuxer level when supported (from 0 to 1) (default 0) -analyzeduration <int> .D...... specify how many microseconds are analyzed to probe the input (from 0 to INT_MAX) (default 5e+06) -cryptokey <binary> .D...... decryption key -indexmem <int> .D...... max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1.04858e+06) -rtbufsize <int> .D...... max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3.04128e+06) -fdebug <flags> ED...... print specific debug info (default 0) ts ED...... -max_delay <int> ED...... maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1) -fpsprobesize <int> .D...... number of frames used to probe fps (from -1 to 2.14748e+09) (default -1) -audio_preload <int> E....... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+09) (default 0) -chunk_duration <int> E....... microseconds for each chunk (from 0 to 2.14748e+09) (default 0) -chunk_size <int> E....... size in bytes for each chunk (from 0 to 2.14748e+09) (default 0) -f_err_detect <flags> .D...... set error detection flags (deprecated; use err_detect, save via avconv) (default 1) 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 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 <flags> .D...... set error detection flags (default 1) 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 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 <int> .D...... use wallclock as timestamps (from 0 to 2.14748e+09) (default 0) -avoid_negative_ts <int> E....... shift timestamps so they start at 0 (from -1 to 2) (default -1) auto E....... enabled when required by target format disabled E....... do not change timestamps make_zero E....... shift timestamps so they start at 0 make_non_negative E....... shift timestamps so they are non negative -skip_initial_bytes <int> .D...... set number of bytes to skip before reading header and frames (from 0 to 2.14748e+09) (default 0) -correct_ts_overflow <int> .D...... correct single timestamp overflows (from 0 to 1) (default 1) -flush_packets <int> E....... enable flushing of the I/O context after each packet (from 0 to 1) (default 1) -metadata_header_padding <int> E....... set number of bytes to be written as padding in a metadata header (from -1 to INT_MAX) (default -1) -output_ts_offset <duration> E....... set output timestamp offset (default 0) -max_interleave_delta <int64> E....... maximum buffering duration for interleaving (from 0 to I64_MAX) (default 1e+07) AVIOContext AVOptions: URLContext AVOptions: crypto AVOptions: -key <binary> .D...... AES decryption key -iv <binary> .D...... AES decryption initialization vector ffrtmphttp AVOptions: -ffrtmphttp_tls <int> .D...... Use a HTTPS tunneling connection (RTMPTS). (from 0 to 1) (default 0) file AVOptions: -truncate <int> E....... truncate existing files on write (from 0 to 1) (default 1) -blocksize <int> E....... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX) ftp AVOptions: -timeout <int> ED...... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1) -ftp-write-seekable <int> E....... control seekability of connection during encoding (from 0 to 1) (default 0) -ftp-anonymous-password <string> ED...... password for anonymous login. E-mail address should be used. http AVOptions: -seekable <int> .D...... control seekability of connection (from -1 to 1) (default -1) -chunked_post <int> E....... use chunked transfer-encoding for posts (from 0 to 1) (default 1) -headers <string> ED...... set custom HTTP headers, can override built in default headers -content_type <string> ED...... set a specific content type for the POST messages -user_agent <string> .D...... override User-Agent header (default "Lavf/55.33.100") -user-agent <string> .D...... override User-Agent header (default "Lavf/55.33.100") -multiple_requests <int> ED...... use persistent connections (from 0 to 1) (default 0) -post_data <binary> ED...... set custom HTTP post data -cookies <string> .D...... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax -icy <int> .D...... request ICY metadata (from 0 to 1) (default 0) -auth_type <int> ED...... HTTP authentication type (from 0 to 1) (default 0) none ED...... No auth method set, autodetect basic ED...... HTTP basic authentication -send_expect_100 <int> E....... Force sending an Expect: 100-continue header for POST (from 0 to 1) (default 0) -location <string> ED...... The actual location of the data received -offset <int64> .D...... initial byte offset (from 0 to I64_MAX) (default 0) -end_offset <int64> .D...... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0) pipe AVOptions: -blocksize <int> E....... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX) rtmp AVOptions: -rtmp_app <string> ED...... Name of application to connect to on the RTMP server -rtmp_buffer <int> ED...... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000) -rtmp_conn <string> ED...... Append arbitrary AMF data to the Connect message -rtmp_flashver <string> ED...... Version of the Flash plugin used to run the SWF player. -rtmp_flush_interval <int> E....... Number of packets flushed in the same request (RTMPT only). (from 0 to INT_MAX) (default 10) -rtmp_live <int> .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -2) any .D...... both live .D...... live stream recorded .D...... recorded stream -rtmp_pageurl <string> .D...... URL of the web page in which the media was embedded. By default no value will be sent. -rtmp_playpath <string> ED...... Stream identifier to play or to publish -rtmp_subscribe <string> .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath. -rtmp_swfhash <binary> .D...... SHA256 hash of the decompressed SWF file (32 bytes). -rtmp_swfsize <int> .D...... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0) -rtmp_swfurl <string> ED...... URL of the SWF player. By default no value will be sent -rtmp_swfverify <string> .D...... URL to player swf file, compute hash/size automatically. -rtmp_tcurl <string> ED...... URL of the target stream. Defaults to proto://host[:port]/app. -rtmp_listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0) -listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0) -timeout <int> .D...... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1) rtmpt AVOptions: -rtmp_app <string> ED...... Name of application to connect to on the RTMP server -rtmp_buffer <int> ED...... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000) -rtmp_conn <string> ED...... Append arbitrary AMF data to the Connect message -rtmp_flashver <string> ED...... Version of the Flash plugin used to run the SWF player. -rtmp_flush_interval <int> E....... Number of packets flushed in the same request (RTMPT only). (from 0 to INT_MAX) (default 10) -rtmp_live <int> .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -2) any .D...... both live .D...... live stream recorded .D...... recorded stream -rtmp_pageurl <string> .D...... URL of the web page in which the media was embedded. By default no value will be sent. -rtmp_playpath <string> ED...... Stream identifier to play or to publish -rtmp_subscribe <string> .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath. -rtmp_swfhash <binary> .D...... SHA256 hash of the decompressed SWF file (32 bytes). -rtmp_swfsize <int> .D...... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0) -rtmp_swfurl <string> ED...... URL of the SWF player. By default no value will be sent -rtmp_swfverify <string> .D...... URL to player swf file, compute hash/size automatically. -rtmp_tcurl <string> ED...... URL of the target stream. Defaults to proto://host[:port]/app. -rtmp_listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0) -listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0) -timeout <int> .D...... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1) srtp AVOptions: -srtp_out_suite <string> E....... -srtp_out_params <string> E....... -srtp_in_suite <string> E....... -srtp_in_params <string> E....... tcp AVOptions: -listen <int> ED...... listen on port instead of connecting (from 0 to 1) (default 0) -timeout <int> ED...... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1) -listen_timeout <int> ED...... set connection awaiting timeout (from -1 to INT_MAX) (default -1) udp AVOptions: -buffer_size <int> ED...... set packet buffer size in bytes (from 0 to INT_MAX) (default 0) -localport <int> ED...... set local port to bind to (from 0 to INT_MAX) (default 0) -localaddr <string> ED...... choose local IP address (default "") -pkt_size <int> ED...... set size of UDP packets (from 0 to INT_MAX) (default 1472) -reuse <int> ED...... explicitly allow or disallow reusing UDP sockets (from 0 to 1) (default 0) -ttl <int> E....... set the time to live value (for multicast only) (from 0 to INT_MAX) (default 16) -connect <int> ED...... set if connect() should be called on socket (from 0 to 1) (default 0) -fifo_size <int> .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 <int> .D...... survive in case of UDP receiving circular buffer overrun (from 0 to 1) (default 0) -timeout <int> .D...... set raise error timeout (only in read mode) (from 0 to INT_MAX) (default 0) unix AVOptions: -listen <int> ED...... Open socket for listening (from 0 to 1) (default 0) -timeout <int> ED...... Timeout in ms (from -1 to INT_MAX) (default -1) -type <int> ED...... Socket type (from INT_MIN to INT_MAX) (default 1) stream ED...... Stream (reliable stream-oriented) datagram ED...... Datagram (unreliable packet-oriented) seqpacket ED...... Seqpacket (reliable packet-oriented DV1394 indev AVOptions: -standard <int> .D...... (from 0 to 1) (default 0) PAL .D...... NTSC .D...... -channel <int> .D...... (from 0 to INT_MAX) (default 63) fbdev indev AVOptions: -framerate <video_rate> .D...... (default "25") lavfi indev AVOptions: -graph <string> .D...... set libavfilter graph -graph_file <string> .D...... set libavfilter graph filename -dumpgraph <string> .D...... dump graph to stderr OSS demuxer AVOptions: -sample_rate <int> .D...... (from 1 to INT_MAX) (default 48000) -channels <int> .D...... (from 1 to INT_MAX) (default 2) V4L2 indev AVOptions: -standard <string> .D...... set TV standard, used only by analog frame grabber -channel <int> .D...... set TV channel, used only by frame grabber (from -1 to INT_MAX) (default -1) -video_size <image_size> .D...... set frame size -pixel_format <string> .D...... set preferred pixel format -input_format <string> .D...... set preferred pixel format (for raw video) or codec name -framerate <string> .D...... set frame rate -list_formats <int> .D...... list available formats and exit (from 0 to INT_MAX) (default 0) all .D...... show all available formats raw .D...... show only non-compressed formats compressed .D...... show only compressed formats -list_standards <int> .D...... list supported standards and exit (from 0 to 1) (default 0) all .D...... show all supported standards -timestamps <int> .D...... set type of timestamps for grabbed frames (from 0 to 2) (default 0) default .D...... use timestamps from the kernel abs .D...... use absolute timestamps (wall clock) mono2abs .D...... force conversion from monotonic to absolute timestamps -ts <int> .D...... set type of timestamps for grabbed frames (from 0 to 2) (default 0) default .D...... use timestamps from the kernel abs .D...... use absolute timestamps (wall clock) mono2abs .D...... force conversion from monotonic to absolute timestamps -use_libv4l2 <int> .D...... use libv4l2 (v4l-utils) convertion functions (from 0 to 1) (default 0) Artworx Data Format demuxer AVOptions: -linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size <image_size> .D...... set video size, such as 640x480 or hd720. -framerate <video_rate> .D...... set framerate (frames per second) (default "25") aqtdec AVOptions: -subfps <rational> .D...S.. set the movie frame rate (from 0 to INT_MAX) (default 25/1) asf demuxer AVOptions: -no_resync_search <int> .D...... Don‘t try to resynchronize by looking for a certain optional start code (from 0 to 1) (default 0) avi AVOptions: -use_odml <int> .D...... use odml index (from -1 to 1) (default 1) Binary text demuxer AVOptions: -linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size <image_size> .D...... set video size, such as 640x480 or hd720. -framerate <video_rate> .D...... set framerate (frames per second) (default "25") cavsvideo demuxer AVOptions: -framerate <video_rate> .D...... (default "25") CDXL demuxer AVOptions: -sample_rate <int> .D...... (from 1 to INT_MAX) (default 11025) -framerate <string> .D...... concat demuxer AVOptions: -safe <int> .D...... enable safe mode (from -1 to 1) (default -1) dirac demuxer AVOptions: -framerate <video_rate> .D...... (default "25") dnxhd demuxer AVOptions: -framerate <video_rate> .D...... (default "25") flvdec AVOptions: -flv_metadata <int> .D.V.... Allocate streams according to the onMetaData array (from 0 to 1) (default 0) g729 demuxer AVOptions: -bit_rate <int> .D...... (from 0 to INT_MAX) (default 0) GIF demuxer AVOptions: -min_delay <int> .D...... minimum valid delay between frames (in hundredths of second) (from 0 to 6000) (default 2) -default_delay <int> .D...... default delay between frames (in hundredths of second) (from 0 to 6000) (default 10) -ignore_loop <int> .D...... ignore loop setting (netscape extension) (from 0 to 1) (default 1) gsm demuxer AVOptions: -sample_rate <int> .D...... (from 1 to 6.50753e+07) (default 8000) h261 demuxer AVOptions: -framerate <video_rate> .D...... (default "25") h263 demuxer AVOptions: -framerate <video_rate> .D...... (default "25") h264 demuxer AVOptions: -framerate <video_rate> .D...... (default "25") hevc demuxer AVOptions: -framerate <video_rate> .D...... (default "25") iCE Draw File demuxer AVOptions: -linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size <image_size> .D...... set video size, such as 640x480 or hd720. -framerate <video_rate> .D...... set framerate (frames per second) (default "25") image2 demuxer AVOptions: -framerate <video_rate> .D...... set the video framerate (default "25") -loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type -pixel_format <string> .D...... set video pixel format -start_number <int> .D...... set first number in the sequence (from 0 to INT_MAX) (default 0) -start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size <image_size> .D...... set video size -frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file <int> .D...... set frame timestamp from file‘s one (from 0 to 1) (default 0) image2pipe demuxer AVOptions: -framerate <video_rate> .D...... set the video framerate (default "25") -loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0) -pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0) glob_sequence .D...... select glob/sequence pattern type glob .D...... select glob pattern type sequence .D...... select sequence pattern type -pixel_format <string> .D...... set video pixel format -start_number <int> .D...... set first number in the sequence (from 0 to INT_MAX) (default 0) -start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5) -video_size <image_size> .D...... set video size -frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0) -ts_from_file <int> .D...... set frame timestamp from file‘s one (from 0 to 1) (default 0) ingenient demuxer AVOptions: -framerate <video_rate> .D...... (default "25") m4v demuxer AVOptions: -framerate <video_rate> .D...... (default "25") mjpeg demuxer AVOptions: -framerate <video_rate> .D...... (default "25") mov,mp4,m4a,3gp,3g2,mj2 AVOptions: -use_absolute_path <int> .D.V.... allow using absolute path when opening alias, this is a possible security issue (from 0 to 1) (default 0) -ignore_editlist <int> .D.V.... (from 0 to 1) (default 0) mp3 AVOptions: -usetoc <int> .D...... use table of contents (from -1 to 1) (default -1) mpegts demuxer AVOptions: -fix_teletext_pts <int> .D...... Try to fix pts values of dvb teletext streams. (from 0 to 1) (default 1) -ts_packetsize <int> .D....XR Output option carrying the raw packet size. (from 0 to 0) (default 0) mpegtsraw demuxer AVOptions: -compute_pcr <int> .D...... Compute exact PCR for each transport stream packet. (from 0 to 1) (default 0) -ts_packetsize <int> .D....XR Output option carrying the raw packet size. (from 0 to 0) (default 0) mpegvideo demuxer AVOptions: -framerate <video_rate> .D...... (default "25") alaw demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) mulaw demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) f64be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) f64le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) f32be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) f32le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) s32be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) s32le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) s24be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) s24le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) s16be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) s16le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) s8 demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) u32be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) u32le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) u24be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) u24le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) u16be demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) u16le demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) u8 demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100) -channels <int> .D...... (from 0 to INT_MAX) (default 1) rawvideo demuxer AVOptions: -video_size <image_size> .D...... set frame size -pixel_format <string> .D...... set pixel format (default "yuv420p") -framerate <video_rate> .D...... set frame rate (default "25") RTP demuxer AVOptions: -rtp_flags <flags> .D...... set RTP flags (default 0) filter_src .D...... only receive packets from the negotiated peer IP -reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) RTSP demuxer AVOptions: -initial_pause <int> .D...... do not start playing the stream immediately (from 0 to 1) (default 0) -rtpflags <flags> 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 <flags> ED...... set RTSP transport protocols (default 0) udp ED...... UDP tcp ED...... TCP udp_multicast .D...... UDP multicast http .D...... HTTP tunneling -rtsp_flags <flags> .D...... set RTSP flags (default 0) filter_src .D...... only receive packets from the negotiated peer IP listen .D...... wait for incoming connections -allowed_media_types <flags> .D...... set media types to accept from the server (default 7) video .D...... Video audio .D...... Audio data .D...... Data -min_port <int> ED...... set minimum local UDP port (from 0 to 65535) (default 5000) -max_port <int> ED...... set maximum local UDP port (from 0 to 65535) (default 65000) -timeout <int> .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 <int> .D...... set timeout (in micro seconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0) -reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) -user-agent <string> .D...... override User-Agent header (default "Lavf55.33.100") sbg_demuxer AVOptions: -sample_rate <int> .D...... (from 0 to INT_MAX) (default 0) -frame_size <int> .D...... (from 0 to INT_MAX) (default 0) -max_file_size <int> .D...... (from 0 to INT_MAX) (default 5e+06) SDP demuxer AVOptions: -sdp_flags <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 <flags> .D...... set media types to accept from the server (default 7) video .D...... Video audio .D...... Audio data .D...... Data -reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) tedcaptions_demuxer AVOptions: -start_time <int64> .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 <int> .D...... (from 1 to INT_MAX) (default 6000) -video_size <image_size> .D...... A string describing frame size, such as 640x480 or hd720. -framerate <video_rate> .D...... (default "25") vc1 demuxer AVOptions: -framerate <video_rate> .D...... (default "25") WAV demuxer AVOptions: -ignore_length <int> .D...... Ignore length (from 0 to 1) (default 0) WebVTT demuxer AVOptions: eXtended BINary text (XBIN) demuxer AVOptions: -linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000) -video_size <image_size> .D...... set video size, such as 640x480 or hd720. -framerate <video_rate> .D...... set framerate (frames per second) (default "25") fbdev outdev AVOptions: -xoffset <int> E....... set x coordinate of top left corner (from INT_MIN to INT_MAX) (default 0) -yoffset <int> E....... set y coordinate of top left corner (from INT_MIN to INT_MAX) (default 0) ADTS muxer AVOptions: -write_apetag <int> E....... Enable APE tag writing (from 0 to 1) (default 0) AIFF muxer AVOptions: -write_id3v2 <int> E....... Enable ID3 tags writing. (from 0 to 1) (default 0) -id3v2_version <int> E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4) (default 4) AST muxer AVOptions: -loopstart <int64> E....... Loopstart position in milliseconds. (from -1 to INT_MAX) (default -1) -loopend <int64> E....... Loopend position in milliseconds. (from 0 to INT_MAX) (default 0) f4v muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand flac muxer AVOptions: -write_header <int> E....... Write the file header (from 0 to 1) (default 1) frame hash encoder class AVOptions: -hash <string> E....... set hash to use (default "md5") GIF muxer AVOptions: -loop <int> E....... Number of times to loop the output: -1 - no loop, 0 - infinite loop (from -1 to 65535) (default 0) -final_delay <int> E....... Force delay (in centiseconds) after the last frame (from -1 to 65535) (default -1) HDS muxer AVOptions: -window_size <int> E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0) -extra_window_size <int> E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5) -min_frag_duration <int64> E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 1e+07) -remove_at_exit <int> E....... remove all fragments when finished (from 0 to 1) (default 0) hls muxer AVOptions: -start_number <int64> E....... set first number in the sequence (from 0 to I64_MAX) (default 0) -hls_time <float> E....... set segment length in seconds (from 0 to FLT_MAX) (default 2) -hls_list_size <int> E....... set maximum number of playlist entries (from 0 to INT_MAX) (default 5) -hls_wrap <int> E....... set number after which the index wraps (from 0 to INT_MAX) (default 0) image2 muxer AVOptions: -updatefirst <int> E....... continuously overwrite one file (from 0 to 1) (default 0) -update <int> E....... continuously overwrite one file (from 0 to 1) (default 0) -start_number <int> E....... set first number in the sequence (from 0 to INT_MAX) (default 1) -strftime <int> E....... use strftime for filename (from 0 to 1) (default 0) ipod muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand ismv muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand LATM/LOAS muxer AVOptions: -smc-interval <int> E....... StreamMuxConfig interval. (from 1 to 65535) (default 20) hash encoder class AVOptions: -hash <string> E....... set hash to use (default "md5") matroska muxer AVOptions: -reserve_index_space <int> 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 <int> E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1) -cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1) matroska audio muxer AVOptions: -reserve_index_space <int> 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 <int> E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1) -cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1) mov muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand MP3 muxer AVOptions: -id3v2_version <int> E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 0 to 4) (default 4) -write_id3v1 <int> 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 <int> E....... Write the Xing header containing file duration. (from 0 to 1) (default 1) mp4 muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand mpeg muxer AVOptions: -muxrate <int> E....... (from 0 to 1.67772e+09) (default 0) -preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) vcd muxer AVOptions: -muxrate <int> E....... (from 0 to 1.67772e+09) (default 0) -preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) dvd muxer AVOptions: -muxrate <int> E....... (from 0 to 1.67772e+09) (default 0) -preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) svcd muxer AVOptions: -muxrate <int> E....... (from 0 to 1.67772e+09) (default 0) -preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) vob muxer AVOptions: -muxrate <int> E....... (from 0 to 1.67772e+09) (default 0) -preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000) MPEGTS muxer AVOptions: -mpegts_transport_stream_id <int> E....... Set transport_stream_id field. (from 1 to 65535) (default 1) -mpegts_original_network_id <int> E....... Set original_network_id field. (from 1 to 65535) (default 1) -mpegts_service_id <int> E....... Set service_id field. (from 1 to 65535) (default 1) -mpegts_pmt_start_pid <int> E....... Set the first pid of the PMT. (from 16 to 7936) (default 4096) -mpegts_start_pid <int> E....... Set the first pid. (from 256 to 3840) (default 256) -mpegts_m2ts_mode <int> E....... Enable m2ts mode. (from -1 to 1) (default -1) -muxrate <int> E....... (from 0 to INT_MAX) (default 1) -pes_payload_size <int> E....... Minimum PES packet payload in bytes (from 0 to INT_MAX) (default 2930) -mpegts_flags <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 -resend_headers <int> E....... Reemit PAT/PMT before writing the next packet (from 0 to INT_MAX) (default 0) -mpegts_copyts <int> E....... don‘t offset dts/pts (from -1 to 1) (default -1) -tables_version <int> E....... set PAT, PMT and SDT version (from 0 to 31) (default 0) Ogg muxer AVOptions: -oggpagesize <int> E....... Set preferred Ogg page size. (from 0 to 65025) (default 0) -pagesize <int> E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0) -page_duration <int64> E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06) Opus muxer AVOptions: -oggpagesize <int> E....... Set preferred Ogg page size. (from 0 to 65025) (default 0) -pagesize <int> E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0) -page_duration <int64> E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06) psp muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand RTP muxer AVOptions: -rtpflags <flags> 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 <int> E....... Specify RTP payload type (from -1 to 127) (default -1) -ssrc <int> E....... Stream identifier (from INT_MIN to INT_MAX) (default 0) -cname <string> E....... CNAME to include in RTCP SR packets -seq <int> E....... Starting sequence number (from -1 to 65535) (default -1) RTSP muxer AVOptions: -initial_pause <int> .D...... do not start playing the stream immediately (from 0 to 1) (default 0) -rtpflags <flags> 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 <flags> ED...... set RTSP transport protocols (default 0) udp ED...... UDP tcp ED...... TCP udp_multicast .D...... UDP multicast http .D...... HTTP tunneling -rtsp_flags <flags> .D...... set RTSP flags (default 0) filter_src .D...... only receive packets from the negotiated peer IP listen .D...... wait for incoming connections -allowed_media_types <flags> .D...... set media types to accept from the server (default 7) video .D...... Video audio .D...... Audio data .D...... Data -min_port <int> ED...... set minimum local UDP port (from 0 to 65535) (default 5000) -max_port <int> ED...... set maximum local UDP port (from 0 to 65535) (default 65000) -timeout <int> .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 <int> .D...... set timeout (in micro seconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0) -reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1) -user-agent <string> .D...... override User-Agent header (default "Lavf55.33.100") segment muxer AVOptions: -reference_stream <string> E....... set reference stream (default "auto") -segment_format <string> E....... set container format used for the segments -segment_list <string> E....... set the segment list filename -segment_list_flags <flags> E....... set flags affecting segment list generation (default 1) cache E....... allow list caching live E....... enable live-friendly list generation (useful for HLS) -segment_list_size <int> E....... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0) -segment_list_entry_prefix <string> E....... set prefix to prepend to each list entry filename -segment_list_type <int> 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_time <string> E....... set segment duration -segment_time_delta <duration> E....... set approximation value used for the segment times (default 0) -segment_times <string> E....... set segment split time points -segment_frames <string> E....... set segment split frame numbers -segment_wrap <int> E....... set number after which the index wraps (from 0 to INT_MAX) (default 0) -segment_start_number <int> E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0) -individual_header_trailer <int> E....... write header/trailer to each segment (from 0 to 1) (default 1) -write_header_trailer <int> E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1) -reset_timestamps <int> E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0) -initial_offset <duration> E....... set initial timestamp offset (default 0) stream_segment muxer AVOptions: -reference_stream <string> E....... set reference stream (default "auto") -segment_format <string> E....... set container format used for the segments -segment_list <string> E....... set the segment list filename -segment_list_flags <flags> E....... set flags affecting segment list generation (default 1) cache E....... allow list caching live E....... enable live-friendly list generation (useful for HLS) -segment_list_size <int> E....... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0) -segment_list_entry_prefix <string> E....... set prefix to prepend to each list entry filename -segment_list_type <int> 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_time <string> E....... set segment duration -segment_time_delta <duration> E....... set approximation value used for the segment times (default 0) -segment_times <string> E....... set segment split time points -segment_frames <string> E....... set segment split frame numbers -segment_wrap <int> E....... set number after which the index wraps (from 0 to INT_MAX) (default 0) -segment_start_number <int> E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0) -individual_header_trailer <int> E....... write header/trailer to each segment (from 0 to 1) (default 1) -write_header_trailer <int> E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1) -reset_timestamps <int> E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0) -initial_offset <duration> E....... set initial timestamp offset (default 0) smooth streaming muxer AVOptions: -window_size <int> E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0) -extra_window_size <int> E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5) -lookahead_count <int> E....... number of lookahead fragments (from 0 to INT_MAX) (default 2) -min_frag_duration <int64> E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 5e+06) -remove_at_exit <int> E....... remove all fragments when finished (from 0 to 1) (default 0) spdif AVOptions: -spdif_flags <flags> E....... IEC 61937 encapsulation flags (default 0) be E....... output in big-endian format (for use as s16be) -dtshd_rate <int> 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 <int> E....... min secs to strip HD for after an overflow (-1: till the end, default 60) (from -1 to INT_MAX) (default 60) Speex muxer AVOptions: -oggpagesize <int> E....... Set preferred Ogg page size. (from 0 to 65025) (default 0) -pagesize <int> E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0) -page_duration <int64> E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06) tg2 muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand tgp muxer AVOptions: -movflags <flags> E....... MOV muxer flags (default 0) rtphint E....... Add RTP hint tracks empty_moov E....... Make the initial moov atom empty (not supported by QuickTime) 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 -moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0) -rtpflags <flags> 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 <int> E....... Skip writing iods atom. (from 0 to 1) (default 1) -iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1) -iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1) -frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0) -min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0) -frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0) -ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0) -use_editlist <int> E....... use edit list (from -1 to 1) (default -1) -video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0) -brand <string> E....... Override major brand WAV muxer AVOptions: -write_bext <int> E....... Write BEXT chunk. (from 0 to 1) (default 0) -rf64 <int> E....... Use RF64 header rather than RIFF for large files. (from -1 to 1) (default 0) 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. webm muxer AVOptions: -reserve_index_space <int> 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 <int> E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1) -cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1) SWScaler AVOptions: -sws_flags <flags> E..V.... scaler flags (default 4) 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 <int> E..V.... source width (from 1 to INT_MAX) (default 16) -srch <int> E..V.... source height (from 1 to INT_MAX) (default 16) -dstw <int> E..V.... destination width (from 1 to INT_MAX) (default 16) -dsth <int> E..V.... destination height (from 1 to INT_MAX) (default 16) -src_format <int> E..V.... source format (from 0 to 332) (default 0) -dst_format <int> E..V.... destination format (from 0 to 332) (default 0) -src_range <int> E..V.... source range (from 0 to 1) (default 0) -dst_range <int> E..V.... destination range (from 0 to 1) (default 0) -param0 <double> E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456) -param1 <double> E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456) -src_v_chr_pos <int> E..V.... source vertical chroma position in luma grid/256 (from -1 to 512) (default -1) -src_h_chr_pos <int> E..V.... source horizontal chroma position in luma grid/256 (from -1 to 512) (default -1) -dst_v_chr_pos <int> E..V.... destination vertical chroma position in luma grid/256 (from -1 to 512) (default -1) -dst_h_chr_pos <int> E..V.... destination horizontal chroma position in luma grid/256 (from -1 to 512) (default -1) -sws_dither <int> E..V.... set dithering algorithm (from 0 to 4) (default 1) auto E..V.... leave choice to sws bayer E..V.... bayer dither ed E..V.... error diffusion SWResampler AVOptions: -ich <int> ....A... set input channel count (from 0 to 32) (default 0) -in_channel_count <int> ....A... set input channel count (from 0 to 32) (default 0) -och <int> ....A... set output channel count (from 0 to 32) (default 0) -out_channel_count <int> ....A... set output channel count (from 0 to 32) (default 0) -uch <int> ....A... set used channel count (from 0 to 32) (default 0) -used_channel_count <int> ....A... set used channel count (from 0 to 32) (default 0) -isr <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0) -in_sample_rate <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0) -osr <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0) -out_sample_rate <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0) -isf <sample_fmt> ....A... set input sample format (default none) -in_sample_fmt <sample_fmt> ....A... set input sample format (default none) -osf <sample_fmt> ....A... set output sample format (default none) -out_sample_fmt <sample_fmt> ....A... set output sample format (default none) -tsf <sample_fmt> ....A... set internal sample format (default none) -internal_sample_fmt <sample_fmt> ....A... set internal sample format (default none) -icl <channel_layout> ....A... set input channel layout (default 0x0) -in_channel_layout <channel_layout> ....A... set input channel layout (default 0x0) -ocl <channel_layout> ....A... set output channel layout (default 0x0) -out_channel_layout <channel_layout> ....A... set output channel layout (default 0x0) -clev <float> ....A... set center mix level (from -32 to 32) (default 0.707107) -center_mix_level <float> ....A... set center mix level (from -32 to 32) (default 0.707107) -slev <float> ....A... set surround mix level (from -32 to 32) (default 0.707107) -surround_mix_level <float> ....A... set surround mix Level (from -32 to 32) (default 0.707107) -lfe_mix_level <float> ....A... set LFE mix level (from -32 to 32) (default 0) -rmvol <float> ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_volume <float> ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_maxval <float> ....A... set rematrix maxval (from 0 to 1000) (default 0) -flags <flags> ....A... set flags (default 0) res ....A... force resampling -swr_flags <flags> ....A... set flags (default 0) res ....A... force resampling -dither_scale <float> ....A... set dither scale (from 0 to INT_MAX) (default 1) -dither_method <int> ....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 <int> ....A... set swr resampling filter size (from 0 to INT_MAX) (default 32) -phase_shift <int> ....A... set swr resampling phase shift (from 0 to 24) (default 10) -linear_interp <int> ....A... enable linear interpolation (from 0 to 1) (default 0) -cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resample_cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resampler <int> ....A... set resampling Engine (from 0 to 1) (default 0) swr ....A... select SW Resampler soxr ....A... select SoX Resampler -precision <double> ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20) -cheby <int> ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0) -min_comp <float> ....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 <float> ....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 <float> ....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 <float> ....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 <float> ....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 <int64> ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN) -matrix_encoding <int> ....A... set matrixed stereo encoding (from 0 to 6) (default 0) none ....A... select none dolby ....A... select Dolby dplii ....A... select Dolby Pro Logic II -filter_type <int> ....A... select swr filter type (from 0 to 2) (default 2) cubic ....A... select cubic blackman_nuttall ....A... select Blackman Nuttall Windowed Sinc kaiser ....A... select Kaiser Windowed Sinc -kaiser_beta <int> ....A... set swr Kaiser Window Beta (from 2 to 16) (default 9) -output_sample_bits <int> ....A... set swr number of output sample bits (from 0 to 64) (default 0) AVFilter AVOptions: thread_type <flags> ..F..... Allowed thread types (default 1) enable <string> ..F..... set enable expression aconvert AVOptions: sample_fmt <string> ..F.A... channel_layout <string> ..F.A... adelay AVOptions: delays <string> ..F.A... set list of delays for each channel aecho AVOptions: in_gain <float> ..F.A... set signal input gain (from 0 to 1) (default 0.6) out_gain <float> ..F.A... set signal output gain (from 0 to 1) (default 0.3) delays <string> ..F.A... set list of signal delays (default "1000") decays <string> ..F.A... set list of signal decays (default "0.5") aeval AVOptions: exprs <string> ..F.A... set the ‘|‘-separated list of channels expressions channel_layout <string> ..F.A... set channel layout c <string> ..F.A... set channel layout afade AVOptions: type <int> ..F.A... set the fade direction (from 0 to 1) (default 0) in ..F.A... fade-in out ..F.A... fade-out t <int> ..F.A... set the fade direction (from 0 to 1) (default 0) in ..F.A... fade-in out ..F.A... fade-out start_sample <int64> ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0) ss <int64> ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0) nb_samples <int> ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100) ns <int> ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100) start_time <duration> ..F.A... set time to start fading (default 0) st <duration> ..F.A... set time to start fading (default 0) duration <duration> ..F.A... set fade duration (default 0) d <duration> ..F.A... set fade duration (default 0) curve <int> ..F.A... set fade curve type (from 0 to 9) (default 0) 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 par ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root c <int> ..F.A... set fade curve type (from 0 to 9) (default 0) 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 par ..F.A... inverted parabola qua ..F.A... quadratic cub ..F.A... cubic squ ..F.A... square root cbr ..F.A... cubic root aformat AVOptions: sample_fmts <string> ..F.A... A comma-separated list of sample formats. sample_rates <string> ..F.A... A comma-separated list of sample rates. channel_layouts <string> ..F.A... A comma-separated list of channel layouts. ainterleave AVOptions: nb_inputs <int> ..F.A... set number of inputs (from 1 to INT_MAX) (default 2) n <int> ..F.A... set number of inputs (from 1 to INT_MAX) (default 2) allpass AVOptions: frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 1) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set filter-width (from 0 to 99999) (default 707.1) w <double> ..F.A... set filter-width (from 0 to 99999) (default 707.1) amerge AVOptions: inputs <int> ..F.A... specify the number of inputs (from 2 to 32) (default 2) amix AVOptions: inputs <int> ..F.A... Number of inputs. (from 1 to 32) (default 2) duration <int> ..F.A... How to determine the end-of-stream. (from 0 to 2) (default 0) longest ..F.A... Duration of longest input. shortest ..F.A... Duration of shortest input. first ..F.A... Duration of first input. dropout_transition <float> ..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 <int> ..F.A... set silence packet size (from 0 to INT_MAX) (default 4096) pad_len <int64> ..F.A... number of samples of silence to add (from 0 to I64_MAX) (default 0) whole_len <int64> ..F.A... target number of samples in the audio stream (from 0 to I64_MAX) (default 0) aperms AVOptions: mode <int> ..FVA... select permissions mode (from 0 to 4) (default 0) 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 <int64> ..FVA... set the seed for the random mode (from -1 to UINT32_MAX) (default -1) aphaser AVOptions: in_gain <double> ..F.A... set input gain (from 0 to 1) (default 0.4) out_gain <double> ..F.A... set output gain (from 0 to 1e+09) (default 0.74) delay <double> ..F.A... set delay in milliseconds (from 0 to 5) (default 3) decay <double> ..F.A... set decay (from 0 to 0.99) (default 0.4) speed <double> ..F.A... set modulation speed (from 0.1 to 2) (default 0.5) type <int> ..F.A... set modulation type (from 0 to 1) (default 1) triangular ..F.A... t ..F.A... sinusoidal ..F.A... s ..F.A... aresample AVOptions: sample_rate <int> ..F.A... (from 0 to INT_MAX) (default 0) SWResampler AVOptions: -ich <int> ....A... set input channel count (from 0 to 32) (default 0) -in_channel_count <int> ....A... set input channel count (from 0 to 32) (default 0) -och <int> ....A... set output channel count (from 0 to 32) (default 0) -out_channel_count <int> ....A... set output channel count (from 0 to 32) (default 0) -uch <int> ....A... set used channel count (from 0 to 32) (default 0) -used_channel_count <int> ....A... set used channel count (from 0 to 32) (default 0) -isr <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0) -in_sample_rate <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0) -osr <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0) -out_sample_rate <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0) -isf <sample_fmt> ....A... set input sample format (default none) -in_sample_fmt <sample_fmt> ....A... set input sample format (default none) -osf <sample_fmt> ....A... set output sample format (default none) -out_sample_fmt <sample_fmt> ....A... set output sample format (default none) -tsf <sample_fmt> ....A... set internal sample format (default none) -internal_sample_fmt <sample_fmt> ....A... set internal sample format (default none) -icl <channel_layout> ....A... set input channel layout (default 0x0) -in_channel_layout <channel_layout> ....A... set input channel layout (default 0x0) -ocl <channel_layout> ....A... set output channel layout (default 0x0) -out_channel_layout <channel_layout> ....A... set output channel layout (default 0x0) -clev <float> ....A... set center mix level (from -32 to 32) (default 0.707107) -center_mix_level <float> ....A... set center mix level (from -32 to 32) (default 0.707107) -slev <float> ....A... set surround mix level (from -32 to 32) (default 0.707107) -surround_mix_level <float> ....A... set surround mix Level (from -32 to 32) (default 0.707107) -lfe_mix_level <float> ....A... set LFE mix level (from -32 to 32) (default 0) -rmvol <float> ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_volume <float> ....A... set rematrix volume (from -1000 to 1000) (default 1) -rematrix_maxval <float> ....A... set rematrix maxval (from 0 to 1000) (default 0) -flags <flags> ....A... set flags (default 0) res ....A... force resampling -swr_flags <flags> ....A... set flags (default 0) res ....A... force resampling -dither_scale <float> ....A... set dither scale (from 0 to INT_MAX) (default 1) -dither_method <int> ....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 <int> ....A... set swr resampling filter size (from 0 to INT_MAX) (default 32) -phase_shift <int> ....A... set swr resampling phase shift (from 0 to 24) (default 10) -linear_interp <int> ....A... enable linear interpolation (from 0 to 1) (default 0) -cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resample_cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0) -resampler <int> ....A... set resampling Engine (from 0 to 1) (default 0) swr ....A... select SW Resampler soxr ....A... select SoX Resampler -precision <double> ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20) -cheby <int> ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0) -min_comp <float> ....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 <float> ....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 <float> ....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 <float> ....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 <float> ....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 <int64> ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN) -matrix_encoding <int> ....A... set matrixed stereo encoding (from 0 to 6) (default 0) none ....A... select none dolby ....A... select Dolby dplii ....A... select Dolby Pro Logic II -filter_type <int> ....A... select swr filter type (from 0 to 2) (default 2) cubic ....A... select cubic blackman_nuttall ....A... select Blackman Nuttall Windowed Sinc kaiser ....A... select Kaiser Windowed Sinc -kaiser_beta <int> ....A... set swr Kaiser Window Beta (from 2 to 16) (default 9) -output_sample_bits <int> ....A... set swr number of output sample bits (from 0 to 64) (default 0) aselect AVOptions: expr <string> ..F.A... set an expression to use for selecting frames (default "1") e <string> ..F.A... set an expression to use for selecting frames (default "1") outputs <int> ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1) n <int> ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1) asendcmd AVOptions: commands <string> ..FVA... set commands c <string> ..FVA... set commands filename <string> ..FVA... set commands file f <string> ..FVA... set commands file asetnsamples AVOptions: nb_out_samples <int> ..F.A... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024) n <int> ..F.A... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024) pad <int> ..F.A... pad last frame with zeros (from 0 to 1) (default 1) p <int> ..F.A... pad last frame with zeros (from 0 to 1) (default 1) asetpts AVOptions: expr <string> ..FVA... Expression determining the frame timestamp (default "PTS") asetrate AVOptions: sample_rate <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) r <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) asettb AVOptions: expr <string> ..F.A... set expression determining the output timebase (default "intb") tb <string> ..F.A... set expression determining the output timebase (default "intb") asplit AVOptions: -outputs <int> ...VA... set number of outputs (from 1 to INT_MAX) (default 2) astats AVOptions: length <double> ..F.A... set the window length (from 0.01 to 10) (default 0.05) astreamsync AVOptions: expr <string> ..F.A... set stream selection expression (default "t1-t2") e <string> ..F.A... set stream selection expression (default "t1-t2") atempo AVOptions: tempo <double> ..F.A... set tempo scale factor (from 0.5 to 2) (default 1) atrim AVOptions: starti <duration> ..F.A... Timestamp of the first frame that should be passed (default I64_MAX) endi <duration> ..F.A... Timestamp of the first frame that should be dropped again (default I64_MAX) start_pts <int64> ..F.A... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN) end_pts <int64> ..F.A... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN) durationi <duration> ..F.A... Maximum duration of the output (default 0) start_sample <int64> ..F.A... Number of the first audio sample that should be passed to the output (from -1 to I64_MAX) (default -1) end_sample <int64> ..F.A... Number of the first audio sample that should be dropped again (from 0 to I64_MAX) (default I64_MAX) start <double> ..F.A... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX) end <double> ..F.A... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX) duration <double> ..F.A... Maximum duration of the output in seconds (from 0 to DBL_MAX) (default 0) bandpass AVOptions: frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set band-width (from 0 to 999) (default 0.5) w <double> ..F.A... set band-width (from 0 to 999) (default 0.5) csg <int> ..F.A... use constant skirt gain (from 0 to 1) (default 0) bandreject AVOptions: frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set band-width (from 0 to 999) (default 0.5) w <double> ..F.A... set band-width (from 0 to 999) (default 0.5) bass AVOptions: frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 100) f <double> ..F.A... set central frequency (from 0 to 999999) (default 100) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) w <double> ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) gain <double> ..F.A... set gain (from -900 to 900) (default 0) g <double> ..F.A... set gain (from -900 to 900) (default 0) biquad AVOptions: a0 <double> ..F.A... (from -32768 to 32767) (default 1) a1 <double> ..F.A... (from -32768 to 32767) (default 1) a2 <double> ..F.A... (from -32768 to 32767) (default 1) b0 <double> ..F.A... (from -32768 to 32767) (default 1) b1 <double> ..F.A... (from -32768 to 32767) (default 1) b2 <double> ..F.A... (from -32768 to 32767) (default 1) channelmap AVOptions: map <string> ..F.A... A comma-separated list of input channel numbers in output order. channel_layout <string> ..F.A... Output channel layout. channelsplit AVOptions: channel_layout <string> ..F.A... Input channel layout. (default "stereo") compand AVOptions: attacks <string> ..F.A... set time over which increase of volume is determined (default "0.3") decays <string> ..F.A... set time over which decrease of volume is determined (default "0.8") points <string> ..F.A... set points of transfer function (default "-70/-70|-60/-20") soft-knee <double> ..F.A... set soft-knee (from 0.01 to 900) (default 0.01) gain <double> ..F.A... set output gain (from -900 to 900) (default 0) volume <double> ..F.A... set initial volume (from -900 to 0) (default 0) delay <double> ..F.A... set delay for samples before sending them to volume adjuster (from 0 to 20) (default 0) ebur128 AVOptions: video <int> ..FV.... set video output (from 0 to 1) (default 0) size <image_size> ..FV.... set video size (default "640x480") meter <int> ..FV.... set scale meter (+9 to +18) (from 9 to 18) (default 9) framelog <int> ..FVA... force frame logging level (from INT_MIN to INT_MAX) (default -1) info ..FVA... information logging level verbose ..FVA... verbose logging level metadata <int> ..FVA... inject metadata in the filtergraph (from 0 to 1) (default 0) peak <flags> ..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 equalizer AVOptions: frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 0) f <double> ..F.A... set central frequency (from 0 to 999999) (default 0) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set band-width (from 0 to 999) (default 1) w <double> ..F.A... set band-width (from 0 to 999) (default 1) gain <double> ..F.A... set gain (from -900 to 900) (default 0) g <double> ..F.A... set gain (from -900 to 900) (default 0) highpass AVOptions: frequency <double> ..F.A... set frequency (from 0 to 999999) (default 3000) f <double> ..F.A... set frequency (from 0 to 999999) (default 3000) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set width (from 0 to 99999) (default 0.707) w <double> ..F.A... set width (from 0 to 99999) (default 0.707) poles <int> ..F.A... set number of poles (from 1 to 2) (default 2) p <int> ..F.A... set number of poles (from 1 to 2) (default 2) join AVOptions: inputs <int> ..F.A... Number of input streams. (from 1 to INT_MAX) (default 2) channel_layout <string> ..F.A... Channel layout of the output stream. (default "stereo") map <string> ..F.A... A comma-separated list of channels maps in the format ‘input_stream.input_channel-output_channel. lowpass AVOptions: frequency <double> ..F.A... set frequency (from 0 to 999999) (default 500) f <double> ..F.A... set frequency (from 0 to 999999) (default 500) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set width (from 0 to 99999) (default 0.707) w <double> ..F.A... set width (from 0 to 99999) (default 0.707) poles <int> ..F.A... set number of poles (from 1 to 2) (default 2) p <int> ..F.A... set number of poles (from 1 to 2) (default 2) pan AVOptions: args <string> ..F.A... silencedetect AVOptions: n <double> ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001) noise <double> ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001) d <double> ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2) duration <double> ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2) treble AVOptions: frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000) width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3) h ..F.A... Hz q ..F.A... Q-Factor o ..F.A... octave s ..F.A... slope width <double> ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) w <double> ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5) gain <double> ..F.A... set gain (from -900 to 900) (default 0) g <double> ..F.A... set gain (from -900 to 900) (default 0) volume AVOptions: volume <string> ..F.A... set volume adjustment expression (default "1.0") precision <int> ..F.A... select mathematical precision (from 0 to 2) (default 1) 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 <int> ..F.A... specify when to evaluate expressions (from 0 to 1) (default 0) once ..F.A... eval volume expression once frame ..F.A... eval volume expression per-frame aevalsrc AVOptions: exprs <string> ..F.A... set the ‘|‘-separated list of channels expressions nb_samples <int> ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) n <int> ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) sample_rate <string> ..F.A... set the sample rate (default "44100") s <string> ..F.A... set the sample rate (default "44100") duration <duration> ..F.A... set audio duration (default -1) d <duration> ..F.A... set audio duration (default -1) channel_layout <string> ..F.A... set channel layout c <string> ..F.A... set channel layout anullsrc AVOptions: channel_layout <string> ..F.A... set channel_layout (default "stereo") cl <string> ..F.A... set channel_layout (default "stereo") sample_rate <string> ..F.A... set sample rate (default "44100") r <string> ..F.A... set sample rate (default "44100") nb_samples <int> ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) n <int> ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024) sine AVOptions: frequency <double> ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440) f <double> ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440) beep_factor <double> ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0) b <double> ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0) sample_rate <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) r <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100) duration <duration> ..F.A... set the audio duration (default 0) d <duration> ..F.A... set the audio duration (default 0) samples_per_frame <int> ..F.A... set the number of samples per frame (from 0 to INT_MAX) (default 1024) bbox AVOptions: min_val <int> ..FV.... set minimum luminance value for bounding box (from 0 to 254) (default 16) blackdetect AVOptions: d <double> ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2) black_min_duration <double> ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2) picture_black_ratio_th <double> ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98) pic_th <double> ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98) pixel_black_th <double> ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1) pix_th <double> ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1) blackframe AVOptions: amount <int> ..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 <int> ..FV.... threshold below which a pixel value is considered black (from 0 to 255) (default 32) thresh <int> ..FV.... threshold below which a pixel value is considered black (from 0 to 255) (default 32) blend AVOptions: c0_mode <int> ..FV.... set component #0 blend mode (from 0 to 23) (default 0) addition ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... hardlight ..FV.... lighten ..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 <int> ..FV.... set component #1 blend mode (from 0 to 23) (default 0) addition ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... hardlight ..FV.... lighten ..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 <int> ..FV.... set component #2 blend mode (from 0 to 23) (default 0) addition ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... hardlight ..FV.... lighten ..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 <int> ..FV.... set component #3 blend mode (from 0 to 23) (default 0) addition ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... hardlight ..FV.... lighten ..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 <int> ..FV.... set blend mode for all components (from -1 to 23) (default -1) addition ..FV.... and ..FV.... average ..FV.... burn ..FV.... darken ..FV.... difference ..FV.... divide ..FV.... dodge ..FV.... exclusion ..FV.... hardlight ..FV.... lighten ..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 <string> ..FV.... set color component #0 expression c1_expr <string> ..FV.... set color component #1 expression c2_expr <string> ..FV.... set color component #2 expression c3_expr <string> ..FV.... set color component #3 expression all_expr <string> ..FV.... set expression for all color components c0_opacity <double> ..FV.... set color component #0 opacity (from 0 to 1) (default 1) c1_opacity <double> ..FV.... set color component #1 opacity (from 0 to 1) (default 1) c2_opacity <double> ..FV.... set color component #2 opacity (from 0 to 1) (default 1) c3_opacity <double> ..FV.... set color component #3 opacity (from 0 to 1) (default 1) all_opacity <double> ..FV.... set opacity for all color components (from 0 to 1) (default 1) shortest <int> ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0) repeatlast <int> ..FV.... repeat last bottom frame (from 0 to 1) (default 1) boxblur AVOptions: luma_radius <string> ..FV.... Radius of the luma blurring box (default "2") lr <string> ..FV.... Radius of the luma blurring box (default "2") luma_power <int> ..FV.... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2) lp <int> ..FV.... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2) chroma_radius <string> ..FV.... Radius of the chroma blurring box cr <string> ..FV.... Radius of the chroma blurring box chroma_power <int> ..FV.... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1) cp <int> ..FV.... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1) alpha_radius <string> ..FV.... Radius of the alpha blurring box ar <string> ..FV.... Radius of the alpha blurring box alpha_power <int> ..FV.... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1) ap <int> ..FV.... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1) colorbalance AVOptions: rs <double> ..FV.... set red shadows (from -1 to 1) (default 0) gs <double> ..FV.... set green shadows (from -1 to 1) (default 0) bs <double> ..FV.... set blue shadows (from -1 to 1) (default 0) rm <double> ..FV.... set red midtones (from -1 to 1) (default 0) gm <double> ..FV.... set green midtones (from -1 to 1) (default 0) bm <double> ..FV.... set blue midtones (from -1 to 1) (default 0) rh <double> ..FV.... set red highlights (from -1 to 1) (default 0) gh <double> ..FV.... set green highlights (from -1 to 1) (default 0) bh <double> ..FV.... set blue highlights (from -1 to 1) (default 0) colorchannelmixer AVOptions: rr <double> ..FV.... set the red gain for the red channel (from -2 to 2) (default 1) rg <double> ..FV.... set the green gain for the red channel (from -2 to 2) (default 0) rb <double> ..FV.... set the blue gain for the red channel (from -2 to 2) (default 0) ra <double> ..FV.... set the alpha gain for the red channel (from -2 to 2) (default 0) gr <double> ..FV.... set the red gain for the green channel (from -2 to 2) (default 0) gg <double> ..FV.... set the green gain for the green channel (from -2 to 2) (default 1) gb <double> ..FV.... set the blue gain for the green channel (from -2 to 2) (default 0) ga <double> ..FV.... set the alpha gain for the green channel (from -2 to 2) (default 0) br <double> ..FV.... set the red gain for the blue channel (from -2 to 2) (default 0) bg <double> ..FV.... set the green gain for the blue channel (from -2 to 2) (default 0) bb <double> ..FV.... set the blue gain for the blue channel (from -2 to 2) (default 1) ba <double> ..FV.... set the alpha gain for the blue channel (from -2 to 2) (default 0) ar <double> ..FV.... set the red gain for the alpha channel (from -2 to 2) (default 0) ag <double> ..FV.... set the green gain for the alpha channel (from -2 to 2) (default 0) ab <double> ..FV.... set the blue gain for the alpha channel (from -2 to 2) (default 0) aa <double> ..FV.... set the alpha gain for the alpha channel (from -2 to 2) (default 1) colormatrix AVOptions: src <int> ..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 smpte240m ..FV.... set SMPTE-240M colorspace dst <int> ..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 smpte240m ..FV.... set SMPTE-240M colorspace crop AVOptions: out_w <string> ..FV.... set the width crop area expression (default "iw") w <string> ..FV.... set the width crop area expression (default "iw") out_h <string> ..FV.... set the height crop area expression (default "ih") h <string> ..FV.... set the height crop area expression (default "ih") x <string> ..FV.... set the x crop area expression (default "(in_w-out_w)/2") y <string> ..FV.... set the y crop area expression (default "(in_h-out_h)/2") keep_aspect <int> ..FV.... keep aspect ratio (from 0 to 1) (default 0) cropdetect AVOptions: limit <int> ..FV.... Threshold below which the pixel is considered black (from 0 to 255) (default 24) round <int> ..FV.... Value by which the width/height should be divisible (from 0 to INT_MAX) (default 16) reset <int> ..FV.... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0) reset_count <int> ..FV.... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0) curves AVOptions: preset <int> ..FV.... select a color curves preset (from 0 to 10) (default 0) 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 <string> ..FV.... set master points coordinates m <string> ..FV.... set master points coordinates red <string> ..FV.... set red points coordinates r <string> ..FV.... set red points coordinates green <string> ..FV.... set green points coordinates g <string> ..FV.... set green points coordinates blue <string> ..FV.... set blue points coordinates b <string> ..FV.... set blue points coordinates all <string> ..FV.... set points coordinates for all components psfile <string> ..FV.... set Photoshop curves file name dctdnoiz AVOptions: sigma <float> ..FV.... set noise sigma constant (from 0 to 999) (default 0) s <float> ..FV.... set noise sigma constant (from 0 to 999) (default 0) overlap <int> ..FV.... set number of block overlapping pixels (from 0 to 15) (default 15) expr <string> ..FV.... set coefficient factor expression e <string> ..FV.... set coefficient factor expression decimate AVOptions: cycle <int> ..FV.... set the number of frame from which one will be dropped (from 2 to 25) (default 5) dupthresh <double> ..FV.... set duplicate threshold (from 0 to 100) (default 1.1) scthresh <double> ..FV.... set scene change threshold (from 0 to 100) (default 15) blockx <int> ..FV.... set the size of the x-axis blocks used during metric calculations (from 4 to 512) (default 32) blocky <int> ..FV.... set the size of the y-axis blocks used during metric calculations (from 4 to 512) (default 32) ppsrc <int> ..FV.... mark main input as a pre-processed input and activate clean source input stream (from 0 to 1) (default 0) chroma <int> ..FV.... set whether or not chroma is considered in the metric calculations (from 0 to 1) (default 1) dejudder AVOptions: cycle <int> ..FV.... set the length of the cycle to use for dejuddering (from 2 to 240) (default 4) delogo AVOptions: x <int> ..FV.... set logo x position (from -1 to INT_MAX) (default -1) y <int> ..FV.... set logo y position (from -1 to INT_MAX) (default -1) w <int> ..FV.... set logo width (from -1 to INT_MAX) (default -1) h <int> ..FV.... set logo height (from -1 to INT_MAX) (default -1) band <int> ..FV.... set delogo area band size (from 1 to INT_MAX) (default 4) t <int> ..FV.... set delogo area band size (from 1 to INT_MAX) (default 4) show <int> ..FV.... show delogo area (from 0 to 1) (default 0) deshake AVOptions: x <int> ..FV.... set x for the rectangular search area (from -1 to INT_MAX) (default -1) y <int> ..FV.... set y for the rectangular search area (from -1 to INT_MAX) (default -1) w <int> ..FV.... set width for the rectangular search area (from -1 to INT_MAX) (default -1) h <int> ..FV.... set height for the rectangular search area (from -1 to INT_MAX) (default -1) rx <int> ..FV.... set x for the rectangular search area (from 0 to 64) (default 16) ry <int> ..FV.... set y for the rectangular search area (from 0 to 64) (default 16) edge <int> ..FV.... set edge mode (from 0 to 3) (default 3) 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 <int> ..FV.... set motion search blocksize (from 4 to 128) (default 8) contrast <int> ..FV.... set contrast threshold for blocks (from 1 to 255) (default 125) search <int> ..FV.... set search strategy (from 0 to 1) (default 0) exhaustive ..FV.... exhaustive search less ..FV.... less exhaustive search filename <string> ..FV.... set motion search detailed log file name opencl <int> ..FV.... use OpenCL filtering capabilities (from 0 to 1) (default 0) drawbox AVOptions: x <string> ..FV.... set horizontal position of the left box edge (default "0") y <string> ..FV.... set vertical position of the top box edge (default "0") width <string> ..FV.... set width of the box (default "0") w <string> ..FV.... set width of the box (default "0") height <string> ..FV.... set height of the box (default "0") h <string> ..FV.... set height of the box (default "0") color <string> ..FV.... set color of the box (default "black") c <string> ..FV.... set color of the box (default "black") thickness <string> ..FV.... set the box thickness (default "3") t <string> ..FV.... set the box thickness (default "3") drawgrid AVOptions: x <string> ..FV.... set horizontal offset (default "0") y <string> ..FV.... set vertical offset (default "0") width <string> ..FV.... set width of grid cell (default "0") w <string> ..FV.... set width of grid cell (default "0") height <string> ..FV.... set height of grid cell (default "0") h <string> ..FV.... set height of grid cell (default "0") color <string> ..FV.... set color of the grid (default "black") c <string> ..FV.... set color of the grid (default "black") thickness <string> ..FV.... set grid line thickness (default "1") t <string> ..FV.... set grid line thickness (default "1") edgedetect AVOptions: high <double> ..FV.... set high threshold (from 0 to 1) (default 0.196078) low <double> ..FV.... set low threshold (from 0 to 1) (default 0.0784314) elbg AVOptions: codebook_length <int> ..FV.... set codebook length (from 1 to INT_MAX) (default 256) l <int> ..FV.... set codebook length (from 1 to INT_MAX) (default 256) nb_steps <int> ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1) n <int> ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1) seed <int> ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1) s <int> ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1) extractplanes AVOptions: planes <flags> ..FV.... set planes (default 1) 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 <int> ..FV.... ‘in‘ or ‘out‘ for fade-in/fade-out (from 0 to 1) (default 0) t <int> ..FV.... ‘in‘ or ‘out‘ for fade-in/fade-out (from 0 to 1) (default 0) start_frame <int> ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0) s <int> ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0) nb_frames <int> ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25) n <int> ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25) alpha <int> ..FV.... fade alpha if it is available on the input (from 0 to 1) (default 0) start_time <duration> ..FV.... Number of seconds of the beginning of the effect. (default 0) st <duration> ..FV.... Number of seconds of the beginning of the effect. (default 0) duration <duration> ..FV.... Duration of the effect in seconds. (default 0) d <duration> ..FV.... Duration of the effect in seconds. (default 0) color <color> ..FV.... set color (default "black") c <color> ..FV.... set color (default "black") field AVOptions: type <int> ..FV.... set field type (top or bottom) (from 0 to 1) (default 0) top ..FV.... select top field bottom ..FV.... select bottom field fieldmatch AVOptions: order <int> ..FV.... specify the assumed field order (from -1 to 1) (default -1) auto ..FV.... auto detect parity bff ..FV.... assume bottom field first tff ..FV.... assume top field first mode <int> ..FV.... set the matching mode or strategy to use (from 0 to 5) (default 1) 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 <int> ..FV.... mark main input as a pre-processed input and activate clean source input stream (from 0 to 1) (default 0) field <int> ..FV.... set the field to match from (from -1 to 1) (default -1) auto ..FV.... automatic (same value as ‘order‘) bottom ..FV.... bottom field top ..FV.... top field mchroma <int> ..FV.... set whether or not chroma is included during the match comparisons (from 0 to 1) (default 1) y0 <int> ..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 <int> ..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 <double> ..FV.... set scene change detection threshold (from 0 to 100) (default 12) combmatch <int> ..FV.... set combmatching mode (from 0 to 2) (default 1) none ..FV.... disable combmatching sc ..FV.... enable combmatching only on scene change full ..FV.... enable combmatching all the time combdbg <int> ..FV.... enable comb debug (from 0 to 2) (default 0) none ..FV.... no forced calculation pcn ..FV.... calculate p/c/n pcnub ..FV.... calculate p/c/n/u/b cthresh <int> ..FV.... set the area combing threshold used for combed frame detection (from -1 to 255) (default 9) chroma <int> ..FV.... set whether or not chroma is considered in the combed frame decision (from 0 to 1) (default 0) blockx <int> ..FV.... set the x-axis size of the window used during combed frame detection (from 4 to 512) (default 16) blocky <int> ..FV.... set the y-axis size of the window used during combed frame detection (from 4 to 512) (default 16) combpel <int> ..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 <int> ..FV.... output field order (from 0 to 1) (default 1) bff ..FV.... bottom field first tff ..FV.... top field first format AVOptions: -pix_fmts <string> ...V.... A ‘|‘-separated list of pixel formats fps AVOptions: fps <video_rate> ..FV.... A string describing desired output framerate (default "25") -start_time <double> ...V.... Assume the first PTS should be this value. (from -DBL_MAX to DBL_MAX) (default DBL_MAX) round <int> ..FV.... set rounding method for timestamps (from 0 to 5) (default 5) 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 <int> ...V.... Frame pack output format (from 0 to INT_MAX) (default 1) 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 framestep AVOptions: step <int> ..FV.... set frame step (from 1 to INT_MAX) (default 1) geq AVOptions: lum_expr <string> ..FV.... set luminance expression lum <string> ..FV.... set luminance expression cb_expr <string> ..FV.... set chroma blue expression cb <string> ..FV.... set chroma blue expression cr_expr <string> ..FV.... set chroma red expression cr <string> ..FV.... set chroma red expression alpha_expr <string> ..FV.... set alpha expression a <string> ..FV.... set alpha expression red_expr <string> ..FV.... set red expression r <string> ..FV.... set red expression green_expr <string> ..FV.... set green expression g <string> ..FV.... set green expression blue_expr <string> ..FV.... set blue expression b <string> ..FV.... set blue expression gradfun AVOptions: strength <float> ..FV.... The maximum amount by which the filter will change any one pixel. (from 0.51 to 64) (default 1.2) radius <int> ..FV.... The neighborhood to fit the gradient to. (from 4 to 32) (default 16) haldclut AVOptions: shortest <int> ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0) repeatlast <int> ..FV.... continue applying the last clut after eos (from 0 to 1) (default 1) interp <int> ..FV.... select interpolation mode (from 0 to 2) (default 2) 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 <float> ..FV.... set the strength (from 0 to 1) (default 0.2) intensity <float> ..FV.... set the intensity (from 0 to 1) (default 0.21) antibanding <int> ..FV.... set the antibanding level (from 0 to 2) (default 0) none ..FV.... apply no antibanding weak ..FV.... apply weak antibanding strong ..FV.... apply strong antibanding histogram AVOptions: mode <int> ..FV.... set histogram mode (from 0 to 3) (default 0) 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 <int> ..FV.... set level height (from 50 to 2048) (default 200) scale_height <int> ..FV.... set scale height (from 0 to 40) (default 12) step <int> ..FV.... set waveform step value (from 1 to 255) (default 10) waveform_mode <int> ..FV.... set waveform mode (from 0 to 1) (default 0) row ..FV.... column ..FV.... waveform_mirror <int> ..FV.... set waveform mirroring (from 0 to 1) (default 0) display_mode <int> ..FV.... set display mode (from 0 to 1) (default 1) parade ..FV.... overlay ..FV.... levels_mode <int> ..FV.... set levels mode (from 0 to 1) (default 0) linear ..FV.... logarithmic ..FV.... hqdn3d AVOptions: luma_spatial <double> ..FV.... spatial luma strength (from 0 to DBL_MAX) (default 0) chroma_spatial <double> ..FV.... spatial chroma strength (from 0 to DBL_MAX) (default 0) luma_tmp <double> ..FV.... temporal luma strength (from 0 to DBL_MAX) (default 0) chroma_tmp <double> ..FV.... temporal chroma strength (from 0 to DBL_MAX) (default 0) hue AVOptions: h <string> ..FV.... set the hue angle degrees expression s <string> ..FV.... set the saturation expression (default "1") H <string> ..FV.... set the hue angle radians expression b <string> ..FV.... set the brightness expression (default "0") idet AVOptions: intl_thres <float> ..FV.... set interlacing threshold (from -1 to FLT_MAX) (default 1.04) prog_thres <float> ..FV.... set progressive threshold (from -1 to FLT_MAX) (default 1.5) il AVOptions: luma_mode <int> ..FV.... select luma mode (from 0 to 2) (default 0) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... l <int> ..FV.... select luma mode (from 0 to 2) (default 0) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... chroma_mode <int> ..FV.... select chroma mode (from 0 to 2) (default 0) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... c <int> ..FV.... select chroma mode (from 0 to 2) (default 0) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... alpha_mode <int> ..FV.... select alpha mode (from 0 to 2) (default 0) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... a <int> ..FV.... select alpha mode (from 0 to 2) (default 0) none ..FV.... interleave ..FV.... i ..FV.... deinterleave ..FV.... d ..FV.... luma_swap <int> ..FV.... swap luma fields (from 0 to 1) (default 0) ls <int> ..FV.... swap luma fields (from 0 to 1) (default 0) chroma_swap <int> ..FV.... swap chroma fields (from 0 to 1) (default 0) cs <int> ..FV.... swap chroma fields (from 0 to 1) (default 0) alpha_swap <int> ..FV.... swap alpha fields (from 0 to 1) (default 0) as <int> ..FV.... swap alpha fields (from 0 to 1) (default 0) interlace AVOptions: -scan <int> ...V.... scanning mode (from 0 to 1) (default 0) tff ...V.... top field first bff ...V.... bottom field first -lowpass <int> ...V.... (deprecated, this option is always set) (from 0 to 1) (default 1) interleave AVOptions: nb_inputs <int> ..FV.... set number of inputs (from 1 to INT_MAX) (default 2) n <int> ..FV.... set number of inputs (from 1 to INT_MAX) (default 2) kerndeint AVOptions: thresh <int> ..FV.... set the threshold (from 0 to 255) (default 10) map <int> ..FV.... set the map (from 0 to 1) (default 0) order <int> ..FV.... set the order (from 0 to 1) (default 0) sharp <int> ..FV.... enable sharpening (from 0 to 1) (default 0) twoway <int> ..FV.... enable twoway (from 0 to 1) (default 0) lut3d AVOptions: file <string> ..FV.... set 3D LUT file name interp <int> ..FV.... select interpolation mode (from 0 to 2) (default 2) 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 <string> ..FV.... set component #0 expression (default "val") c1 <string> ..FV.... set component #1 expression (default "val") c2 <string> ..FV.... set component #2 expression (default "val") c3 <string> ..FV.... set component #3 expression (default "val") y <string> ..FV.... set Y expression (default "val") u <string> ..FV.... set U expression (default "val") v <string> ..FV.... set V expression (default "val") r <string> ..FV.... set R expression (default "val") g <string> ..FV.... set G expression (default "val") b <string> ..FV.... set B expression (default "val") a <string> ..FV.... set A expression (default "val") lutrgb AVOptions: c0 <string> ..FV.... set component #0 expression (default "val") c1 <string> ..FV.... set component #1 expression (default "val") c2 <string> ..FV.... set component #2 expression (default "val") c3 <string> ..FV.... set component #3 expression (default "val") y <string> ..FV.... set Y expression (default "val") u <string> ..FV.... set U expression (default "val") v <string> ..FV.... set V expression (default "val") r <string> ..FV.... set R expression (default "val") g <string> ..FV.... set G expression (default "val") b <string> ..FV.... set B expression (default "val") a <string> ..FV.... set A expression (default "val") lutyuv AVOptions: c0 <string> ..FV.... set component #0 expression (default "val") c1 <string> ..FV.... set component #1 expression (default "val") c2 <string> ..FV.... set component #2 expression (default "val") c3 <string> ..FV.... set component #3 expression (default "val") y <string> ..FV.... set Y expression (default "val") u <string> ..FV.... set U expression (default "val") v <string> ..FV.... set V expression (default "val") r <string> ..FV.... set R expression (default "val") g <string> ..FV.... set G expression (default "val") b <string> ..FV.... set B expression (default "val") a <string> ..FV.... set A expression (default "val") mcdeint AVOptions: mode <int> ..FV.... set mode (from 0 to 3) (default 0) fast ..FV.... medium ..FV.... slow ..FV.... extra_slow ..FV.... parity <int> ..FV.... set the assumed picture field parity (from -1 to 1) (default 1) tff ..FV.... assume top field first bff ..FV.... assume bottom field first qp <int> ..FV.... set qp (from INT_MIN to INT_MAX) (default 1) mergeplanes AVOptions: mapping <int> ..FV.... set input to output plane mapping (from 0 to 8.58993e+08) (default 0) format <pix_fmt> ..FV.... set output pixel format (default yuva444p) mp AVOptions: filter <string> ..FV.... set MPlayer filter name and parameters mpdecimate AVOptions: max <int> ..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 <int> ..FV.... set high dropping threshold (from INT_MIN to INT_MAX) (default 768) lo <int> ..FV.... set low dropping threshold (from INT_MIN to INT_MAX) (default 320) frac <float> ..FV.... set fraction dropping threshold (from 0 to 1) (default 0.33) negate AVOptions: negate_alpha <int> ..FV.... (from 0 to 1) (default 0) noformat AVOptions: -pix_fmts <string> ...V.... A ‘|‘-separated list of pixel formats noise AVOptions: all_seed <int> ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1) all_strength <int> ..FV.... set component #0 strength (from 0 to 100) (default 0) alls <int> ..FV.... set component #0 strength (from 0 to 100) (default 0) all_flags <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 <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 c0_seed <int> ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1) c0_strength <int> ..FV.... set component #0 strength (from 0 to 100) (default 0) c0s <int> ..FV.... set component #0 strength (from 0 to 100) (default 0) c0_flags <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 <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 c1_seed <int> ..FV.... set component #1 noise seed (from -1 to INT_MAX) (default -1) c1_strength <int> ..FV.... set component #1 strength (from 0 to 100) (default 0) c1s <int> ..FV.... set component #1 strength (from 0 to 100) (default 0) c1_flags <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 <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 c2_seed <int> ..FV.... set component #2 noise seed (from -1 to INT_MAX) (default -1) c2_strength <int> ..FV.... set component #2 strength (from 0 to 100) (default 0) c2s <int> ..FV.... set component #2 strength (from 0 to 100) (default 0) c2_flags <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 <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 c3_seed <int> ..FV.... set component #3 noise seed (from -1 to INT_MAX) (default -1) c3_strength <int> ..FV.... set component #3 strength (from 0 to 100) (default 0) c3s <int> ..FV.... set component #3 strength (from 0 to 100) (default 0) c3_flags <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 <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 overlay AVOptions: x <string> ..FV.... set the x expression (default "0") y <string> ..FV.... set the y expression (default "0") eof_action <int> ..FV.... Action to take when encountering EOF from secondary input (from 0 to 2) (default 0) repeat ..FV.... Repeat the previous frame. endall ..FV.... End both streams. pass ..FV.... Pass through the main input. eval <int> ..FV.... specify when to evaluate expressions (from 0 to 1) (default 1) init ..FV.... eval expressions once during initialization frame ..FV.... eval expressions per-frame rgb <int> ..FV.... force packed RGB in input and output (deprecated) (from 0 to 1) (default 0) shortest <int> ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0) format <int> ..FV.... set output format (from 0 to 3) (default 0) yuv420 ..FV.... yuv422 ..FV.... yuv444 ..FV.... rgb ..FV.... repeatlast <int> ..FV.... repeat overlay of the last overlay frame (from 0 to 1) (default 1) owdenoise AVOptions: depth <int> ..FV.... set depth (from 8 to 16) (default 8) luma_strength <double> ..FV.... set luma strength (from 0 to 1000) (default 1) ls <double> ..FV.... set luma strength (from 0 to 1000) (default 1) chroma_strength <double> ..FV.... set chroma strength (from 0 to 1000) (default 1) cs <double> ..FV.... set chroma strength (from 0 to 1000) (default 1) pad AVOptions: width <string> ..FV.... set the pad area width expression (default "iw") w <string> ..FV.... set the pad area width expression (default "iw") height <string> ..FV.... set the pad area height expression (default "ih") h <string> ..FV.... set the pad area height expression (default "ih") x <string> ..FV.... set the x offset expression for the input image position (default "0") y <string> ..FV.... set the y offset expression for the input image position (default "0") color <color> ..FV.... set the color of the padded area border (default "black") perms AVOptions: mode <int> ..FVA... select permissions mode (from 0 to 4) (default 0) 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 <int64> ..FVA... set the seed for the random mode (from -1 to UINT32_MAX) (default -1) perspective AVOptions: x0 <string> ..FV.... set top left x coordinate (default "0") y0 <string> ..FV.... set top left y coordinate (default "0") x1 <string> ..FV.... set top right x coordinate (default "W") y1 <string> ..FV.... set top right y coordinate (default "0") x2 <string> ..FV.... set bottom left x coordinate (default "0") y2 <string> ..FV.... set bottom left y coordinate (default "H") x3 <string> ..FV.... set bottom right x coordinate (default "W") y3 <string> ..FV.... set bottom right y coordinate (default "H") interpolation <int> ..FV.... set interpolation (from 0 to 1) (default 0) linear ..FV.... cubic ..FV.... phase AVOptions: mode <int> ..FV.... set phase mode (from 0 to 8) (default 8) 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 <string> ..FV.... set postprocess subfilters (default "de") psnr AVOptions: stats_file <string> ..FV.... Set file where to store per-frame difference information f <string> ..FV.... Set file where to store per-frame difference information pullup AVOptions: jl <int> ..FV.... set left junk size (from 0 to INT_MAX) (default 1) jr <int> ..FV.... set right junk size (from 0 to INT_MAX) (default 1) jt <int> ..FV.... set top junk size (from 1 to INT_MAX) (default 4) jb <int> ..FV.... set bottom junk size (from 1 to INT_MAX) (default 4) sb <int> ..FV.... set strict breaks (from -1 to 1) (default 0) mp <int> ..FV.... set metric plane (from 0 to 2) (default 0) y ..FV.... luma u ..FV.... chroma blue v ..FV.... chroma red removelogo AVOptions: filename <string> ..FV.... set bitmap filename f <string> ..FV.... set bitmap filename rotate AVOptions: angle <string> ..FV.... set angle (in radians) (default "0") a <string> ..FV.... set angle (in radians) (default "0") out_w <string> ..FV.... set output width expression (default "iw") ow <string> ..FV.... set output width expression (default "iw") out_h <string> ..FV.... set output height expression (default "ih") oh <string> ..FV.... set output height expression (default "ih") fillcolor <string> ..FV.... set background fill color (default "black") c <string> ..FV.... set background fill color (default "black") bilinear <int> ..FV.... use bilinear interpolation (from 0 to 1) (default 1) sab AVOptions: luma_radius <float> ..FV.... set luma radius (from 0.1 to 4) (default 1) lr <float> ..FV.... set luma radius (from 0.1 to 4) (default 1) luma_pre_filter_radius <float> ..FV.... set luma pre-filter radius (from 0.1 to 2) (default 1) lpfr <float> ..FV.... set luma pre-filter radius (from 0.1 to 2) (default 1) luma_strength <float> ..FV.... set luma strength (from 0.1 to 100) (default 1) ls <float> ..FV.... set luma strength (from 0.1 to 100) (default 1) chroma_radius <float> ..FV.... set chroma radius (from -0.9 to 4) (default -0.9) cr <float> ..FV.... set chroma radius (from -0.9 to 4) (default -0.9) chroma_pre_filter_radius <float> ..FV.... set chroma pre-filter radius (from -0.9 to 2) (default -0.9) cpfr <float> ..FV.... set chroma pre-filter radius (from -0.9 to 2) (default -0.9) chroma_strength <float> ..FV.... set chroma strength (from -0.9 to 100) (default -0.9) cs <float> ..FV.... set chroma strength (from -0.9 to 100) (default -0.9) scale AVOptions: w <string> ..FV.... Output video width width <string> ..FV.... Output video width h <string> ..FV.... Output video height height <string> ..FV.... Output video height flags <string> ..FV.... Flags to pass to libswscale (default "bilinear") interl <int> ..FV.... set interlacing (from -1 to 1) (default 0) in_color_matrix <string> ..FV.... set input YCbCr type (default "auto") out_color_matrix <string> ..FV.... set output YCbCr type in_range <int> ..FV.... set input color range (from 0 to 2) (default 0) auto ..FV.... full ..FV.... jpeg ..FV.... mpeg ..FV.... tv ..FV.... pc ..FV.... out_range <int> ..FV.... set output color range (from 0 to 2) (default 0) auto ..FV.... full ..FV.... jpeg ..FV.... mpeg ..FV.... tv ..FV.... pc ..FV.... in_v_chr_pos <int> ..FV.... input vertical chroma position in luma grid/256 (from -1 to 512) (default -1) in_h_chr_pos <int> ..FV.... input horizontal chroma position in luma grid/256 (from -1 to 512) (default -1) out_v_chr_pos <int> ..FV.... output vertical chroma position in luma grid/256 (from -1 to 512) (default -1) out_h_chr_pos <int> ..FV.... output horizontal chroma position in luma grid/256 (from -1 to 512) (default -1) force_original_aspect_ratio <int> ..FV.... decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default 0) disable ..FV.... decrease ..FV.... increase ..FV.... SWScaler AVOptions: -sws_flags <flags> E..V.... scaler flags (default 4) 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 <int> E..V.... source width (from 1 to INT_MAX) (default 16) -srch <int> E..V.... source height (from 1 to INT_MAX) (default 16) -dstw <int> E..V.... destination width (from 1 to INT_MAX) (default 16) -dsth <int> E..V.... destination height (from 1 to INT_MAX) (default 16) -src_format <int> E..V.... source format (from 0 to 332) (default 0) -dst_format <int> E..V.... destination format (from 0 to 332) (default 0) -src_range <int> E..V.... source range (from 0 to 1) (default 0) -dst_range <int> E..V.... destination range (from 0 to 1) (default 0) -param0 <double> E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456) -param1 <double> E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456) -src_v_chr_pos <int> E..V.... source vertical chroma position in luma grid/256 (from -1 to 512) (default -1) -src_h_chr_pos <int> E..V.... source horizontal chroma position in luma grid/256 (from -1 to 512) (default -1) -dst_v_chr_pos <int> E..V.... destination vertical chroma position in luma grid/256 (from -1 to 512) (default -1) -dst_h_chr_pos <int> E..V.... destination horizontal chroma position in luma grid/256 (from -1 to 512) (default -1) -sws_dither <int> E..V.... set dithering algorithm (from 0 to 4) (default 1) auto E..V.... leave choice to sws bayer E..V.... bayer dither ed E..V.... error diffusion select AVOptions: expr <string> ..FV.... set an expression to use for selecting frames (default "1") e <string> ..FV.... set an expression to use for selecting frames (default "1") outputs <int> ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1) n <int> ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1) sendcmd AVOptions: commands <string> ..FVA... set commands c <string> ..FVA... set commands filename <string> ..FVA... set commands file f <string> ..FVA... set commands file setdar AVOptions: dar <string> ..FV.... set display aspect ratio (default "0") ratio <string> ..FV.... set display aspect ratio (default "0") r <string> ..FV.... set display aspect ratio (default "0") dar_den <float> ..FV.... (from 0 to FLT_MAX) (default 0) max <int> ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100) setfield AVOptions: mode <int> ..FV.... select interlace mode (from -1 to 2) (default -1) 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 <string> ..FVA... Expression determining the frame timestamp (default "PTS") setsar AVOptions: sar <string> ..FV.... set sample (pixel) aspect ratio (default "0") ratio <string> ..FV.... set sample (pixel) aspect ratio (default "0") r <string> ..FV.... set sample (pixel) aspect ratio (default "0") sar_den <float> ..FV.... (from 0 to FLT_MAX) (default 0) max <int> ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100) settb AVOptions: expr <string> ..FV.... set expression determining the output timebase (default "intb") tb <string> ..FV.... set expression determining the output timebase (default "intb") smartblur AVOptions: luma_radius <float> ..FV.... set luma radius (from 0.1 to 5) (default 1) lr <float> ..FV.... set luma radius (from 0.1 to 5) (default 1) luma_strength <float> ..FV.... set luma strength (from -1 to 1) (default 1) ls <float> ..FV.... set luma strength (from -1 to 1) (default 1) luma_threshold <int> ..FV.... set luma threshold (from -30 to 30) (default 0) lt <int> ..FV.... set luma threshold (from -30 to 30) (default 0) chroma_radius <float> ..FV.... set chroma radius (from -0.9 to 5) (default -0.9) cr <float> ..FV.... set chroma radius (from -0.9 to 5) (default -0.9) chroma_strength <float> ..FV.... set chroma strength (from -2 to 1) (default -2) cs <float> ..FV.... set chroma strength (from -2 to 1) (default -2) chroma_threshold <int> ..FV.... set chroma threshold (from -31 to 30) (default -31) ct <int> ..FV.... set chroma threshold (from -31 to 30) (default -31) split AVOptions: -outputs <int> ...VA... set number of outputs (from 1 to INT_MAX) (default 2) spp AVOptions: quality <int> ..FV.... set quality (from 0 to 6) (default 3) qp <int> ..FV.... force a constant quantizer parameter (from 0 to 63) (default 0) mode <int> ..FV.... set thresholding mode (from 0 to 1) (default 0) hard ..FV.... hard thresholding soft ..FV.... soft thresholding use_bframe_qp <int> ..FV.... use B-frames‘ QP (from 0 to 1) (default 0) stereo3d AVOptions: in <int> ..FV.... set input format (from 18 to 27) (default 18) 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 out <int> ..FV.... set output format (from 0 to 27) (default 3) 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 telecine AVOptions: first_field <int> ..FV.... select first field (from 0 to 1) (default 0) 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 <string> ..FV.... pattern that describe for how many fields a frame is to be displayed (default "23") thumbnail AVOptions: n <int> ..FV.... set the frames batch size (from 2 to INT_MAX) (default 100) tile AVOptions: layout <image_size> ..FV.... set grid size (default "6x5") nb_frames <int> ..FV.... set maximum number of frame to render (from 0 to INT_MAX) (default 0) margin <int> ..FV.... set outer border margin in pixels (from 0 to 1024) (default 0) padding <int> ..FV.... set inner border thickness in pixels (from 0 to 1024) (default 0) color <color> ..FV.... set the color of the unused area (default "black") tinterlace AVOptions: mode <int> ..FV.... select interlace mode (from 0 to 6) (default 0) 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 transpose AVOptions: dir <int> ..FV.... set transpose direction (from 0 to 7) (default 0) passthrough <int> ..FV.... do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX) (default 0) none ..FV.... always apply transposition portrait ..FV.... preserve portrait geometry landscape ..FV.... preserve landscape geometry trim AVOptions: starti <duration> ..FV.... Timestamp of the first frame that should be passed (default I64_MAX) endi <duration> ..FV.... Timestamp of the first frame that should be dropped again (default I64_MAX) start_pts <int64> ..FV.... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN) end_pts <int64> ..FV.... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN) durationi <duration> ..FV.... Maximum duration of the output (default 0) start_frame <int64> ..FV.... Number of the first frame that should be passed to the output (from -1 to I64_MAX) (default -1) end_frame <int64> ..FV.... Number of the first frame that should be dropped again (from 0 to I64_MAX) (default I64_MAX) start <double> ..FV.... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX) end <double> ..FV.... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX) duration <double> ..FV.... Maximum duration of the output in seconds (from 0 to DBL_MAX) (default 0) unsharp AVOptions: luma_msize_x <int> ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5) lx <int> ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5) luma_msize_y <int> ..FV.... set luma matrix vertical size (from 3 to 63) (default 5) ly <int> ..FV.... set luma matrix vertical size (from 3 to 63) (default 5) luma_amount <float> ..FV.... set luma effect strength (from -2 to 5) (default 1) la <float> ..FV.... set luma effect strength (from -2 to 5) (default 1) chroma_msize_x <int> ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5) cx <int> ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5) chroma_msize_y <int> ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5) cy <int> ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5) chroma_amount <float> ..FV.... set chroma effect strength (from -2 to 5) (default 0) ca <float> ..FV.... set chroma effect strength (from -2 to 5) (default 0) opencl <int> ..FV.... use OpenCL filtering capabilities (from 0 to 1) (default 0) vignette AVOptions: angle <string> ..FV.... set lens angle (default "PI/5") a <string> ..FV.... set lens angle (default "PI/5") x0 <string> ..FV.... set circle center position on x-axis (default "w/2") y0 <string> ..FV.... set circle center position on y-axis (default "h/2") mode <int> ..FV.... set forward/backward mode (from 0 to 1) (default 0) forward ..FV.... backward ..FV.... eval <int> ..FV.... specify when to evaluate expressions (from 0 to 1) (default 0) init ..FV.... eval expressions once during initialization frame ..FV.... eval expressions for each frame dither <int> ..FV.... set dithering (from 0 to 1) (default 1) aspect <rational> ..FV.... set aspect ratio (from 0 to DBL_MAX) (default 1/1) w3fdif AVOptions: filter <int> ..FV.... specify the filter (from 0 to 1) (default 1) simple ..FV.... complex ..FV.... deint <int> ..FV.... specify which frames to deinterlace (from 0 to 1) (default 0) all ..FV.... deinterlace all frames interlaced ..FV.... only deinterlace frames marked as interlaced yadif AVOptions: mode <int> ..FV.... specify the interlacing mode (from 0 to 3) (default 0) 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 <int> ..FV.... specify the assumed picture field parity (from -1 to 1) (default -1) tff ..FV.... assume top field first bff ..FV.... assume bottom field first auto ..FV.... auto detect parity deint <int> ..FV.... specify which frames to deinterlace (from 0 to 1) (default 0) all ..FV.... deinterlace all frames interlaced ..FV.... only deinterlace frames marked as interlaced cellauto AVOptions: filename <string> ..FV.... read initial pattern from file f <string> ..FV.... read initial pattern from file pattern <string> ..FV.... set initial pattern p <string> ..FV.... set initial pattern rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") size <image_size> ..FV.... set video size s <image_size> ..FV.... set video size rule <int> ..FV.... set rule (from 0 to 255) (default 110) random_fill_ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) random_seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) scroll <int> ..FV.... scroll pattern downward (from 0 to 1) (default 1) start_full <int> ..FV.... start filling the whole video (from 0 to 1) (default 0) full <int> ..FV.... start filling the whole video (from 0 to 1) (default 1) stitch <int> ..FV.... stitch boundaries (from 0 to 1) (default 1) color AVOptions: color <color> ..FV.... set color (default "black") c <color> ..FV.... set color (default "black") size <image_size> ..FV.... set video size (default "320x240") s <image_size> ..FV.... set video size (default "320x240") rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) haldclutsrc AVOptions: level <int> ..FV.... set level (from 2 to 8) (default 6) rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) life AVOptions: filename <string> ..FV.... set source file f <string> ..FV.... set source file size <image_size> ..FV.... set video size s <image_size> ..FV.... set video size rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") rule <string> ..FV.... set rule (default "B3/S23") random_fill_ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034) random_seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1) stitch <int> ..FV.... stitch boundaries (from 0 to 1) (default 1) mold <int> ..FV.... set mold speed for dead cells (from 0 to 255) (default 0) life_color <color> ..FV.... set life color (default "white") death_color <color> ..FV.... set death color (default "black") mold_color <color> ..FV.... set mold color (default "black") mandelbrot AVOptions: size <image_size> ..FV.... set frame size (default "640x480") s <image_size> ..FV.... set frame size (default "640x480") rate <video_rate> ..FV.... set frame rate (default "25") r <video_rate> ..FV.... set frame rate (default "25") maxiter <int> ..FV.... set max iterations number (from 1 to INT_MAX) (default 7189) start_x <double> ..FV.... set the initial x position (from -100 to 100) (default -0.743644) start_y <double> ..FV.... set the initial y position (from -100 to 100) (default -0.131826) start_scale <double> ..FV.... set the initial scale value (from 0 to FLT_MAX) (default 3) end_scale <double> ..FV.... set the terminal scale value (from 0 to FLT_MAX) (default 0.3) end_pts <double> ..FV.... set the terminal pts value (from 0 to I64_MAX) (default 400) bailout <double> ..FV.... set the bailout value (from 0 to FLT_MAX) (default 10) morphxf <double> ..FV.... set morph x frequency (from -FLT_MAX to FLT_MAX) (default 0.01) morphyf <double> ..FV.... set morph y frequency (from -FLT_MAX to FLT_MAX) (default 0.0123) morphamp <double> ..FV.... set morph amplitude (from -FLT_MAX to FLT_MAX) (default 0) outer <int> ..FV.... set outer coloring mode (from 0 to INT_MAX) (default 1) 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 <int> ..FV.... set inner coloring mode (from 0 to INT_MAX) (default 3) 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 <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) test <int> ..FV.... set test to perform (from 0 to INT_MAX) (default 10) 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 <int> ..FV.... set test to perform (from 0 to INT_MAX) (default 10) 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 <image_size> ..FV.... set video size (default "320x240") s <image_size> ..FV.... set video size (default "320x240") rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) rgbtestsrc AVOptions: size <image_size> ..FV.... set video size (default "320x240") s <image_size> ..FV.... set video size (default "320x240") rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) smptebars AVOptions: size <image_size> ..FV.... set video size (default "320x240") s <image_size> ..FV.... set video size (default "320x240") rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) smptehdbars AVOptions: size <image_size> ..FV.... set video size (default "320x240") s <image_size> ..FV.... set video size (default "320x240") rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) testsrc AVOptions: size <image_size> ..FV.... set video size (default "320x240") s <image_size> ..FV.... set video size (default "320x240") rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") duration <duration> ..FV.... set video duration (default -1) d <duration> ..FV.... set video duration (default -1) sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1) decimals <int> ..FV.... set number of decimals to show (from 0 to 17) (default 0) n <int> ..FV.... set number of decimals to show (from 0 to 17) (default 0) avectorscope AVOptions: mode <int> ..FV.... set mode (from 0 to 1) (default 0) lissajous ..FV.... lissajous_xy ..FV.... m <int> ..FV.... set mode (from 0 to 1) (default 0) lissajous ..FV.... lissajous_xy ..FV.... rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") size <image_size> ..FV.... set video size (default "400x400") s <image_size> ..FV.... set video size (default "400x400") rc <int> ..FV.... set red contrast (from 0 to 255) (default 40) gc <int> ..FV.... set green contrast (from 0 to 255) (default 160) bc <int> ..FV.... set blue contrast (from 0 to 255) (default 80) rf <int> ..FV.... set red fade (from 0 to 255) (default 15) gf <int> ..FV.... set green fade (from 0 to 255) (default 10) bf <int> ..FV.... set blue fade (from 0 to 255) (default 5) zoom <double> ..FV.... set zoom factor (from 1 to 10) (default 1) concat AVOptions: n <int> ..FVA... specify the number of segments (from 2 to INT_MAX) (default 2) v <int> ..FV.... specify the number of video streams (from 0 to INT_MAX) (default 1) a <int> ..F.A... specify the number of audio streams (from 0 to INT_MAX) (default 0) unsafe <int> ..FVA... enable unsafe mode (from 0 to INT_MAX) (default 0) showspectrum AVOptions: size <image_size> ..FV.... set video size (default "640x512") s <image_size> ..FV.... set video size (default "640x512") slide <int> ..FV.... set sliding mode (from 0 to 1) (default 0) mode <int> ..FV.... set channel display mode (from 0 to 1) (default 0) combined ..FV.... combined mode separate ..FV.... separate mode color <int> ..FV.... set channel coloring (from 0 to 1) (default 0) channel ..FV.... separate color for each channel intensity ..FV.... intensity based coloring scale <int> ..FV.... set display scale (from 0 to 3) (default 1) sqrt ..FV.... square root cbrt ..FV.... cubic root log ..FV.... logarithmic lin ..FV.... linear saturation <float> ..FV.... color saturation multiplier (from -10 to 10) (default 1) win_func <int> ..FV.... set window function (from 0 to 3) (default 1) hann ..FV.... Hann window hamming ..FV.... Hamming window blackman ..FV.... Blackman window showwaves AVOptions: size <image_size> ..FV.... set video size (default "600x240") s <image_size> ..FV.... set video size (default "600x240") mode <int> ..FV.... select display mode (from 0 to 1) (default 0) point ..FV.... draw a point for each sample line ..FV.... draw a line for each sample n <int> ..FV.... set how many samples to show in the same point (from 0 to INT_MAX) (default 0) rate <video_rate> ..FV.... set video rate (default "25") r <video_rate> ..FV.... set video rate (default "25") amovie AVOptions: filename <string> ..FVA... format_name <string> ..FVA... set format name f <string> ..FVA... set format name stream_index <int> ..FVA... set stream index (from -1 to INT_MAX) (default -1) si <int> ..FVA... set stream index (from -1 to INT_MAX) (default -1) seek_point <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0) sp <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0) streams <string> ..FVA... set streams s <string> ..FVA... set streams loop <int> ..FVA... set loop count (from 0 to INT_MAX) (default 1) movie AVOptions: filename <string> ..FVA... format_name <string> ..FVA... set format name f <string> ..FVA... set format name stream_index <int> ..FVA... set stream index (from -1 to INT_MAX) (default -1) si <int> ..FVA... set stream index (from -1 to INT_MAX) (default -1) seek_point <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0) sp <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0) streams <string> ..FVA... set streams s <string> ..FVA... set streams loop <int> ..FVA... set loop count (from 0 to INT_MAX) (default 1) ffbuffersink AVOptions: pix_fmts <binary> ..FV.... set the supported pixel formats ffabuffersink AVOptions: sample_fmts <binary> ..FV.... set the supported sample formats sample_rates <binary> ..FV.... set the supported sample rates channel_layouts <binary> ..FV.... set the supported channel layouts channel_counts <binary> ..FV.... set the supported channel counts all_channel_counts <int> ..FV.... accept all channel counts (from 0 to 1) (default 0) abuffer AVOptions: time_base <rational> ..F.A... (from 0 to INT_MAX) (default 0/1) sample_rate <int> ..F.A... (from 0 to INT_MAX) (default 0) sample_fmt <sample_fmt> ..F.A... (default none) channel_layout <string> ..F.A... channels <int> ..F.A... (from 0 to INT_MAX) (default 0) buffer AVOptions: width <int> ..FV.... (from 0 to INT_MAX) (default 0) video_size <image_size> ..FV.... height <int> ..FV.... (from 0 to INT_MAX) (default 0) pix_fmt <pix_fmt> ..FV.... (default none) time_base_num <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) time_base_den <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) sar_num <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) sar_den <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0) sar <rational> ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1) pixel_aspect <rational> ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1) time_base <rational> ..FV.... (from 0 to DBL_MAX) (default 0/1) frame_rate <rational> ..FV.... (from 0 to DBL_MAX) (default 0/1) sws_param <string> ..FV.... abuffersink AVOptions: sample_fmts <binary> ..FV.... set the supported sample formats sample_rates <binary> ..FV.... set the supported sample rates channel_layouts <binary> ..FV.... set the supported channel layouts channel_counts <binary> ..FV.... set the supported channel counts all_channel_counts <int> ..FV.... accept all channel counts (from 0 to 1) (default 0) buffersink AVOptions: pix_fmts <binary> ..FV.... set the supported pixel formats
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原文地址：http://www.cnblogs.com/killiancheung/p/4969291.html
