FFMPEG DOCUMENTATION [JULY 2024]

Table of Contents 1 Synopsis 2 Description 3 Detailed description 3.1 Filtering 3.1.1 Simple filtergraphs 3.1.2 Complex filtergraphs 3.2 Stream copy 3.3 Loopback decoders 4 Stream selection 4.1 Description 4.1.1 Automatic stream selection 4.1.2 Manual stream selection 4.1.3 Complex filtergraphs 4.1.4 Stream handling 4.2 Examples 5 Options 5.1 Stream specifiers 5.2 Generic options 5.3 AVOptions 5.4 Main options 5.5 Video Options 5.6 Advanced Video options 5.7 Audio Options 5.8 Advanced Audio options 5.9 Subtitle options 5.10 Advanced Subtitle options 5.11 Advanced options 5.12 Preset files 5.12.1 ffpreset files 5.12.2 avpreset files 5.13 vstats file format 6 Examples 6.1 Video and Audio grabbing 6.2 X11 grabbing 6.3 Video and Audio file format conversion 7 Syntax 7.1 Quoting and escaping 7.1.1 Examples 7.2 Date 7.3 Time duration 7.3.1 Examples 7.4 Video size 7.5 Video rate 7.6 Ratio 7.7 Color 7.8 Channel Layout 8 Expression Evaluation 9 Codec Options 10 Decoders 11 Video Decoders 11.1 av1 11.1.1 Options 11.2 rawvideo 11.2.1 Options 11.3 libdav1d 11.3.1 Options 11.4 libdavs2 11.5 libuavs3d 11.5.1 Options 11.6 libxevd 11.6.1 Options 11.7 QSV Decoders 11.7.1 Common Options 11.7.2 HEVC Options 11.8 v210 11.8.1 Options 12 Audio Decoders 12.1 ac3 12.1.1 AC-3 Decoder Options 12.2 flac 12.2.1 FLAC Decoder options 12.3 ffwavesynth 12.4 libcelt 12.5 libgsm 12.6 libilbc 12.6.1 Options 12.7 libopencore-amrnb 12.8 libopencore-amrwb 12.9 libopus 13 Subtitles Decoders 13.1 libaribb24 13.1.1 libaribb24 Decoder Options 13.2 libaribcaption 13.2.1 libaribcaption Decoder Options 13.2.2 libaribcaption decoder usage examples 13.3 dvbsub 13.3.1 Options 13.4 dvdsub 13.4.1 Options 13.5 libzvbi-teletext 13.5.1 Options 14 Encoders 15 Audio Encoders 15.1 aac 15.1.1 Options 15.2 ac3 and ac3_fixed 15.2.1 AC-3 Metadata 15.2.1.1 Metadata Control Options 15.2.1.2 Downmix Levels 15.2.1.3 Audio Production Information 15.2.1.4 Other Metadata Options 15.2.2 Extended Bitstream Information 15.2.2.1 Extended Bitstream Information - Part 1 15.2.2.2 Extended Bitstream Information - Part 2 15.2.3 Other AC-3 Encoding Options 15.2.4 Floating-Point-Only AC-3 Encoding Options 15.3 flac 15.3.1 Options 15.4 opus 15.4.1 Options 15.5 libfdk_aac 15.5.1 Options 15.5.2 Examples 15.6 liblc3 15.6.1 Options 15.7 libmp3lame 15.7.1 Options 15.8 libopencore-amrnb 15.8.1 Options 15.9 libopus 15.9.1 Option Mapping 15.10 libshine 15.10.1 Options 15.11 libtwolame 15.11.1 Options 15.12 libvo-amrwbenc 15.12.1 Options 15.13 libvorbis 15.13.1 Options 15.14 mjpeg 15.14.1 Options 15.15 wavpack 15.15.1 Options 15.15.1.1 Shared options 15.15.1.2 Private options 16 Video Encoders 16.1 a64_multi, a64_multi5 16.2 Cinepak 16.2.1 Options 16.3 GIF 16.3.1 Options 16.4 Hap 16.4.1 Options 16.5 jpeg2000 16.5.1 Options 16.6 librav1e 16.6.1 Options 16.7 libaom-av1 16.7.1 Options 16.8 libsvtav1 16.8.1 Options 16.9 libjxl 16.9.1 Options 16.10 libkvazaar 16.10.1 Options 16.11 libopenh264 16.11.1 Options 16.12 libtheora 16.12.1 Options 16.12.2 Examples 16.13 libvpx 16.13.1 Options 16.14 libvvenc 16.14.1 Supported Pixel Formats 16.14.2 Options 16.15 libwebp 16.15.1 Pixel Format 16.15.2 Options 16.16 libx264, libx264rgb 16.16.1 Supported Pixel Formats 16.16.2 Options 16.17 libx265 16.17.1 Options 16.18 libxavs2 16.18.1 Options 16.19 libxeve 16.19.1 Options 16.20 libxvid 16.20.1 Options 16.21 MediaFoundation 16.22 Microsoft RLE 16.22.1 Options 16.23 mpeg2 16.23.1 Options 16.24 png 16.24.1 Private options 16.25 ProRes 16.25.1 Private Options for prores-ks 16.25.2 Speed considerations 16.26 QSV Encoders 16.26.1 Ratecontrol Method 16.26.2 Global Options -> MSDK Options 16.26.3 Common Options 16.26.4 Runtime Options 16.26.5 H264 options 16.26.6 HEVC Options 16.26.7 MPEG2 Options 16.26.8 VP9 Options 16.26.9 AV1 Options 16.27 snow 16.27.1 Options 16.28 VAAPI encoders 16.29 vbn 16.29.1 Options 16.30 vc2 16.30.1 Options 17 Subtitles Encoders 17.1 dvdsub 17.1.1 Options 18 Bitstream Filters 18.1 aac_adtstoasc 18.2 av1_metadata 18.3 chomp 18.4 dca_core 18.5 dump_extra 18.6 dv_error_marker 18.7 eac3_core 18.8 extract_extradata 18.9 filter_units 18.10 hapqa_extract 18.11 h264_metadata 18.12 h264_mp4toannexb 18.13 h264_redundant_pps 18.14 hevc_metadata 18.15 hevc_mp4toannexb 18.16 imxdump 18.17 mjpeg2jpeg 18.18 mjpegadump 18.19 mov2textsub 18.20 mpeg2_metadata 18.21 mpeg4_unpack_bframes 18.22 noise 18.22.1 Examples 18.23 null 18.24 pcm_rechunk 18.25 pgs_frame_merge 18.26 prores_metadata 18.27 remove_extra 18.28 setts 18.29 showinfo 18.30 text2movsub 18.31 trace_headers 18.32 truehd_core 18.33 vp9_metadata 18.34 vp9_superframe 18.35 vp9_superframe_split 18.36 vp9_raw_reorder 19 Format Options 19.1 Format stream specifiers 20 Demuxers 20.1 aa 20.2 aac 20.3 apng 20.4 asf 20.5 concat 20.5.1 Syntax 20.5.2 Options 20.5.3 Examples 20.6 dash 20.6.1 Options 20.7 dvdvideo 20.7.1 Background 20.7.2 Options 20.7.3 Examples 20.8 ea 20.8.1 Options 20.9 imf 20.10 flv, live_flv, kux 20.11 gif 20.12 hls 20.13 image2 20.13.1 Examples 20.14 libgme 20.15 libmodplug 20.16 libopenmpt 20.17 mov/mp4/3gp 20.17.1 Options 20.17.2 Audible AAX 20.18 mpegts 20.19 mpjpeg 20.20 rawvideo 20.21 rcwt 20.21.1 Examples 20.22 sbg 20.23 tedcaptions 20.24 vapoursynth 20.25 w64 20.26 wav 21 Muxers 21.1 Raw muxers 21.1.1 Examples 21.2 Raw PCM muxers 21.3 MPEG-1/MPEG-2 program stream muxers 21.3.1 Options 21.4 MOV/MPEG-4/ISOMBFF muxers 21.4.1 Fragmentation 21.4.2 Options 21.4.3 Examples 21.5 a64 21.6 ac4 21.6.1 Options 21.7 adts 21.7.1 Options 21.8 aea 21.9 aiff 21.9.1 Options 21.10 alp 21.10.1 Options 21.11 amr 21.12 amv 21.13 apm 21.14 apng 21.14.1 Options 21.14.2 Examples 21.15 argo_asf 21.15.1 Options 21.16 argo_cvg 21.16.1 Options 21.17 asf, asf_stream 21.17.1 Options 21.18 ass 21.18.1 Options 21.19 ast 21.19.1 Options 21.20 au 21.21 avi 21.21.1 Options 21.22 avif 21.22.1 Options 21.23 avm2 21.24 bit 21.25 caf 21.26 codec2 21.27 chromaprint 21.27.1 Options 21.28 crc 21.28.1 Examples 21.29 dash 21.29.1 Options 21.29.2 Example 21.30 daud 21.30.1 Example 21.31 dv 21.31.1 Example 21.32 ffmetadata 21.32.1 Example 21.33 fifo 21.33.1 Options 21.33.2 Example 21.34 film_cpk 21.35 filmstrip 21.36 fits 21.37 flac 21.37.1 Options 21.37.2 Example 21.38 flv 21.38.1 Options 21.39 framecrc 21.39.1 Examples 21.40 framehash 21.40.1 Examples 21.41 framemd5 21.41.1 Examples 21.42 gif 21.42.1 Options 21.42.2 Example 21.43 gxf 21.44 hash 21.44.1 Examples 21.45 hds 21.45.1 Options 21.45.2 Example 21.46 hls 21.46.1 Options 21.47 iamf 21.48 ico 21.49 ilbc 21.50 image2, image2pipe 21.50.1 Options 21.50.2 Examples 21.51 ircam 21.52 ivf 21.53 jacosub 21.54 kvag 21.55 lc3 21.56 lrc 21.56.1 Metadata 21.57 matroska 21.57.1 Metadata 21.57.2 Options 21.58 md5 21.58.1 Examples 21.59 microdvd 21.60 mmf 21.61 mp3 21.62 mpegts 21.62.1 Options 21.62.2 Example 21.63 mxf, mxf_d10, mxf_opatom 21.63.1 Options 21.64 null 21.65 nut 21.66 ogg 21.67 rcwt 21.67.1 Examples 21.68 segment, stream_segment, ssegment 21.68.1 Options 21.68.2 Examples 21.69 smoothstreaming 21.70 streamhash 21.70.1 Examples 21.71 tee 21.71.1 Options 21.71.2 Examples 21.72 webm_chunk 21.72.1 Options 21.72.2 Example 21.73 webm_dash_manifest 21.73.1 Options 21.73.2 Example 22 Metadata 23 Protocol Options 24 Protocols 24.1 amqp 24.2 async 24.3 bluray 24.4 cache 24.5 concat 24.6 concatf 24.7 crypto 24.8 data 24.9 fd 24.10 file 24.11 ftp 24.12 gopher 24.13 gophers 24.14 hls 24.15 http 24.15.1 HTTP Cookies 24.16 Icecast 24.17 ipfs 24.18 mmst 24.19 mmsh 24.20 md5 24.21 pipe 24.22 prompeg 24.23 rist 24.24 rtmp 24.25 rtmpe 24.26 rtmps 24.27 rtmpt 24.28 rtmpte 24.29 rtmpts 24.30 libsmbclient 24.31 libssh 24.32 librtmp rtmp, rtmpe, rtmps, rtmpt, rtmpte 24.33 rtp 24.34 rtsp 24.34.1 Muxer 24.34.2 Demuxer 24.34.3 Examples 24.35 sap 24.35.1 Muxer 24.35.2 Demuxer 24.36 sctp 24.37 srt 24.38 srtp 24.39 subfile 24.40 tee 24.41 tcp 24.42 tls 24.43 udp 24.43.1 Examples 24.44 unix 24.45 zmq 25 Device Options 26 Input Devices 26.1 alsa 26.1.1 Options 26.2 android_camera 26.2.1 Options 26.3 avfoundation 26.3.1 Options 26.3.2 Examples 26.4 bktr 26.4.1 Options 26.5 decklink 26.5.1 Options 26.5.2 Examples 26.6 dshow 26.6.1 Options 26.6.2 Examples 26.7 fbdev 26.7.1 Options 26.8 gdigrab 26.8.1 Options 26.9 iec61883 26.9.1 Options 26.9.2 Examples 26.10 jack 26.10.1 Options 26.11 kmsgrab 26.11.1 Options 26.11.2 Examples 26.12 lavfi 26.12.1 Options 26.12.2 Examples 26.13 libcdio 26.13.1 Options 26.14 libdc1394 26.14.1 Options 26.15 openal 26.15.1 Options 26.15.2 Examples 26.16 oss 26.16.1 Options 26.17 pulse 26.17.1 Options 26.17.2 Examples 26.18 sndio 26.18.1 Options 26.19 video4linux2, v4l2 26.19.1 Options 26.20 vfwcap 26.20.1 Options 26.21 x11grab 26.21.1 Options 27 Output Devices 27.1 alsa 27.1.1 Examples 27.2 AudioToolbox 27.2.1 Options 27.2.2 Examples 27.3 caca 27.3.1 Options 27.3.2 Examples 27.4 decklink 27.4.1 Options 27.4.2 Examples 27.5 fbdev 27.5.1 Options 27.5.2 Examples 27.6 opengl 27.6.1 Options 27.6.2 Examples 27.7 oss 27.8 pulse 27.8.1 Options 27.8.2 Examples 27.9 sdl 27.9.1 Options 27.9.2 Interactive commands 27.9.3 Examples 27.10 sndio 27.11 v4l2 27.12 xv 27.12.1 Options 27.12.2 Examples 28 Resampler Options 29 Scaler Options 30 Filtering Introduction 31 graph2dot 32 Filtergraph description 32.1 Filtergraph syntax 32.2 Notes on filtergraph escaping 33 Timeline editing 34 Changing options at runtime with a command 35 Options for filters with several inputs (framesync) 36 Audio Filters 36.1 aap 36.2 acompressor 36.2.1 Commands 36.3 acontrast 36.4 acopy 36.5 acrossfade 36.5.1 Examples 36.6 acrossover 36.6.1 Examples 36.7 acrusher 36.7.1 Commands 36.8 acue 36.9 adeclick 36.10 adeclip 36.11 adecorrelate 36.12 adelay 36.12.1 Examples 36.13 adenorm 36.13.1 Commands 36.14 aderivative, aintegral 36.15 adrc 36.15.1 Commands 36.15.2 Examples 36.16 adynamicequalizer 36.16.1 Commands 36.17 adynamicsmooth 36.17.1 Commands 36.18 aecho 36.18.1 Examples 36.19 aemphasis 36.19.1 Commands 36.20 aeval 36.20.1 Examples 36.21 aexciter 36.21.1 Commands 36.22 afade 36.22.1 Commands 36.22.2 Examples 36.23 afftdn 36.23.1 Commands 36.23.2 Examples 36.24 afftfilt 36.24.1 Examples 36.25 afir 36.25.1 Examples 36.26 aformat 36.27 afreqshift 36.27.1 Commands 36.28 afwtdn 36.28.1 Commands 36.29 agate 36.29.1 Commands 36.30 aiir 36.30.1 Examples 36.31 alimiter 36.32 allpass 36.32.1 Commands 36.33 aloop 36.34 amerge 36.34.1 Examples 36.35 amix 36.35.1 Examples 36.35.2 Commands 36.36 amultiply 36.37 anequalizer 36.37.1 Examples 36.37.2 Commands 36.38 anlmdn 36.38.1 Commands 36.39 anlmf, anlms 36.39.1 Examples 36.39.2 Commands 36.40 anull 36.41 apad 36.41.1 Examples 36.42 aphaser 36.43 aphaseshift 36.43.1 Commands 36.44 apsnr 36.45 apsyclip 36.45.1 Commands 36.46 apulsator 36.47 aresample 36.47.1 Examples 36.48 areverse 36.48.1 Examples 36.49 arls 36.50 arnndn 36.50.1 Commands 36.51 asdr 36.52 asetnsamples 36.53 asetrate 36.54 ashowinfo 36.55 asisdr 36.56 asoftclip 36.56.1 Commands 36.57 aspectralstats 36.58 asr 36.59 astats 36.60 asubboost 36.60.1 Commands 36.61 asubcut 36.61.1 Commands 36.62 asupercut 36.62.1 Commands 36.63 asuperpass 36.63.1 Commands 36.64 asuperstop 36.64.1 Commands 36.65 atempo 36.65.1 Examples 36.65.2 Commands 36.66 atilt 36.66.1 Commands 36.67 atrim 36.68 axcorrelate 36.68.1 Examples 36.69 bandpass 36.69.1 Commands 36.70 bandreject 36.70.1 Commands 36.71 bass, lowshelf 36.71.1 Commands 36.72 biquad 36.72.1 Commands 36.73 bs2b 36.74 channelmap 36.74.1 Examples 36.75 channelsplit 36.75.1 Examples 36.76 chorus 36.76.1 Examples 36.77 compand 36.77.1 Examples 36.78 compensationdelay 36.78.1 Commands 36.79 crossfeed 36.79.1 Commands 36.80 crystalizer 36.80.1 Commands 36.81 dcshift 36.82 deesser 36.83 dialoguenhance 36.83.1 Commands 36.84 drmeter 36.85 dynaudnorm 36.85.1 Commands 36.86 earwax 36.87 equalizer 36.87.1 Examples 36.87.2 Commands 36.88 extrastereo 36.88.1 Commands 36.89 firequalizer 36.89.1 Examples 36.90 flanger 36.91 haas 36.92 hdcd 36.93 headphone 36.93.1 Examples 36.94 highpass 36.94.1 Commands 36.95 join 36.96 ladspa 36.96.1 Examples 36.96.2 Commands 36.97 loudnorm 36.98 lowpass 36.98.1 Examples 36.98.2 Commands 36.99 lv2 36.99.1 Examples 36.99.2 Commands 36.100 mcompand 36.101 pan 36.101.1 Mixing examples 36.101.2 Remapping examples 36.102 replaygain 36.103 resample 36.104 rubberband 36.104.1 Commands 36.105 sidechaincompress 36.105.1 Commands 36.105.2 Examples 36.106 sidechaingate 36.106.1 Commands 36.107 silencedetect 36.107.1 Examples 36.108 silenceremove 36.108.1 Examples 36.108.2 Commands 36.109 sofalizer 36.109.1 Examples 36.110 speechnorm 36.110.1 Commands 36.110.2 Examples 36.111 stereotools 36.111.1 Commands 36.111.2 Examples 36.112 stereowiden 36.112.1 Commands 36.113 superequalizer 36.114 surround 36.115 tiltshelf 36.115.1 Commands 36.116 treble, highshelf 36.116.1 Commands 36.117 tremolo 36.118 vibrato 36.119 virtualbass 36.120 volume 36.120.1 Commands 36.120.2 Examples 36.121 volumedetect 36.121.1 Examples 37 Audio Sources 37.1 abuffer 37.1.1 Examples 37.2 aevalsrc 37.2.1 Examples 37.3 afdelaysrc 37.4 afireqsrc 37.5 afirsrc 37.6 anullsrc 37.6.1 Examples 37.7 flite 37.7.1 Examples 37.8 anoisesrc 37.8.1 Examples 37.9 hilbert 37.10 sinc 37.11 sine 37.11.1 Examples 38 Audio Sinks 38.1 abuffersink 38.2 anullsink 39 Video Filters 39.1 addroi 39.1.1 Examples 39.2 alphaextract 39.3 alphamerge 39.4 amplify 39.4.1 Commands 39.5 ass 39.6 atadenoise 39.6.1 Commands 39.7 avgblur 39.7.1 Commands 39.8 backgroundkey 39.8.1 Commands 39.9 bbox 39.9.1 Commands 39.10 bilateral 39.10.1 Commands 39.11 bilateral_cuda 39.11.1 Examples 39.12 bitplanenoise 39.13 blackdetect 39.14 blackframe 39.15 blend 39.15.1 Examples 39.15.2 Commands 39.16 blockdetect 39.16.1 Examples 39.17 blurdetect 39.17.1 Examples 39.18 bm3d 39.18.1 Examples 39.19 boxblur 39.19.1 Examples 39.20 bwdif 39.21 bwdif_cuda 39.22 ccrepack 39.23 cas 39.23.1 Commands 39.24 chromahold 39.24.1 Commands 39.25 chromakey 39.25.1 Commands 39.25.2 Examples 39.26 chromakey_cuda 39.26.1 Examples 39.27 chromanr 39.27.1 Commands 39.28 chromashift 39.28.1 Commands 39.29 ciescope 39.30 codecview 39.30.1 Examples 39.31 colorbalance 39.31.1 Examples 39.31.2 Commands 39.32 colorcontrast 39.32.1 Commands 39.33 colorcorrect 39.33.1 Commands 39.34 colorchannelmixer 39.34.1 Examples 39.34.2 Commands 39.35 colorize 39.35.1 Commands 39.36 colorkey 39.36.1 Examples 39.36.2 Commands 39.37 colorhold 39.37.1 Commands 39.38 colorlevels 39.38.1 Examples 39.38.2 Commands 39.39 colormap 39.40 colormatrix 39.41 colorspace 39.42 colorspace_cuda 39.43 colortemperature 39.43.1 Commands 39.44 convolution 39.44.1 Commands 39.44.2 Examples 39.45 convolve 39.46 copy 39.47 coreimage 39.47.1 Examples 39.48 corr 39.49 cover_rect 39.49.1 Examples 39.50 crop 39.50.1 Examples 39.50.2 Commands 39.51 cropdetect 39.51.1 Examples 39.51.2 Commands 39.52 cue 39.53 curves 39.53.1 Commands 39.53.2 Examples 39.54 datascope 39.54.1 Commands 39.55 dblur 39.55.1 Commands 39.56 dctdnoiz 39.56.1 Examples 39.57 deband 39.57.1 Commands 39.58 deblock 39.58.1 Examples 39.58.2 Commands 39.59 decimate 39.60 deconvolve 39.61 dedot 39.62 deflate 39.62.1 Commands 39.63 deflicker 39.64 dejudder 39.65 delogo 39.65.1 Examples 39.66 derain 39.67 deshake 39.68 despill 39.68.1 Commands 39.69 detelecine 39.70 dilation 39.70.1 Commands 39.71 displace 39.71.1 Examples 39.72 dnn_classify 39.73 dnn_detect 39.74 dnn_processing 39.74.1 Examples 39.75 drawbox 39.75.1 Examples 39.75.2 Commands 39.76 drawgraph 39.77 drawgrid 39.77.1 Examples 39.77.2 Commands 39.78 drawtext 39.78.1 Syntax 39.78.2 Text expansion 39.78.3 Commands 39.78.4 Examples 39.79 edgedetect 39.79.1 Examples 39.80 elbg 39.81 entropy 39.82 epx 39.83 eq 39.83.1 Commands 39.84 erosion 39.84.1 Commands 39.85 estdif 39.85.1 Commands 39.86 exposure 39.86.1 Commands 39.87 extractplanes 39.87.1 Examples 39.88 fade 39.88.1 Examples 39.89 feedback 39.89.1 Examples 39.90 fftdnoiz 39.91 fftfilt 39.91.1 Examples 39.92 field 39.93 fieldhint 39.94 fieldmatch 39.94.1 p/c/n/u/b meaning 39.94.1.1 p/c/n 39.94.1.2 u/b 39.94.2 Examples 39.95 fieldorder 39.96 fillborders 39.96.1 Commands 39.97 find_rect 39.97.1 Examples 39.98 floodfill 39.99 format 39.99.1 Examples 39.100 fps 39.100.1 Examples 39.101 framepack 39.102 framerate 39.103 framestep 39.104 freezedetect 39.105 freezeframes 39.106 frei0r 39.106.1 Examples 39.106.2 Commands 39.107 fspp 39.108 fsync 39.109 gblur 39.109.1 Commands 39.110 geq 39.110.1 Examples 39.111 gradfun 39.111.1 Examples 39.112 graphmonitor 39.113 grayworld 39.114 greyedge 39.114.1 Examples 39.115 guided 39.115.1 Commands 39.115.2 Examples 39.116 haldclut 39.116.1 Commands 39.116.2 Workflow examples 39.116.2.1 Hald CLUT video stream 39.116.2.2 Hald CLUT with preview 39.117 hflip 39.118 histeq 39.119 histogram 39.119.1 Examples 39.120 hqdn3d 39.120.1 Commands 39.121 hwdownload 39.122 hwmap 39.123 hwupload 39.124 hwupload_cuda 39.125 hqx 39.126 hstack 39.127 hsvhold 39.128 hsvkey 39.129 hue 39.129.1 Examples 39.129.2 Commands 39.130 huesaturation 39.131 hysteresis 39.132 iccdetect 39.133 iccgen 39.134 identity 39.135 idet 39.135.1 Examples 39.136 il 39.136.1 Commands 39.137 inflate 39.137.1 Commands 39.138 interlace 39.139 kerndeint 39.139.1 Examples 39.140 kirsch 39.140.1 Commands 39.141 lagfun 39.141.1 Commands 39.142 lenscorrection 39.142.1 Options 39.142.2 Commands 39.143 lensfun 39.143.1 Examples 39.144 libplacebo 39.144.1 Options 39.144.1.1 Output mode 39.144.1.2 Scaling 39.144.1.3 Debanding 39.144.1.4 Color adjustment 39.144.1.5 Peak detection 39.144.1.6 Tone mapping 39.144.1.7 Dithering 39.144.1.8 Custom shaders 39.144.1.9 Debugging / performance 39.144.2 Commands 39.144.3 Examples 39.145 libvmaf 39.145.1 Examples 39.146 libvmaf_cuda 39.146.1 Examples 39.147 limitdiff 39.147.1 Commands 39.148 limiter 39.148.1 Commands 39.149 loop 39.149.1 Examples 39.150 lut1d 39.150.1 Commands 39.151 lut3d 39.151.1 Commands 39.152 lumakey 39.152.1 Commands 39.153 lut, lutrgb, lutyuv 39.153.1 Commands 39.153.2 Examples 39.154 lut2, tlut2 39.154.1 Commands 39.154.2 Examples 39.155 maskedclamp 39.155.1 Commands 39.156 maskedmax 39.156.1 Commands 39.157 maskedmerge 39.157.1 Commands 39.158 maskedmin 39.158.1 Commands 39.159 maskedthreshold 39.159.1 Commands 39.160 maskfun 39.160.1 Commands 39.161 mcdeint 39.162 median 39.162.1 Commands 39.163 mergeplanes 39.163.1 Examples 39.164 mestimate 39.165 midequalizer 39.166 minterpolate 39.167 mix 39.167.1 Commands 39.168 monochrome 39.168.1 Commands 39.169 morpho 39.169.1 Commands 39.170 mpdecimate 39.171 msad 39.172 multiply 39.172.1 Commands 39.173 negate 39.173.1 Commands 39.174 nlmeans 39.175 nnedi 39.175.1 Commands 39.176 noformat 39.176.1 Examples 39.177 noise 39.177.1 Examples 39.178 normalize 39.178.1 Commands 39.178.2 Examples 39.179 null 39.180 ocr 39.181 ocv 39.181.1 dilate 39.181.2 erode 39.181.3 smooth 39.182 oscilloscope 39.182.1 Commands 39.182.2 Examples 39.183 overlay 39.183.1 Commands 39.183.2 Examples 39.184 overlay_cuda 39.185 owdenoise 39.186 pad 39.186.1 Examples 39.187 palettegen 39.187.1 Examples 39.188 paletteuse 39.188.1 Examples 39.189 perspective 39.190 phase 39.190.1 Commands 39.191 photosensitivity 39.192 pixdesctest 39.193 pixelize 39.193.1 Commands 39.194 pixscope 39.194.1 Commands 39.195 pp 39.195.1 Examples 39.196 pp7 39.197 premultiply 39.198 prewitt 39.198.1 Commands 39.199 pseudocolor 39.199.1 Commands 39.199.2 Examples 39.200 psnr 39.200.1 Examples 39.201 pullup 39.202 qp 39.202.1 Examples 39.203 qrencode 39.203.1 qrencode Expressions 39.203.2 qrencode Text expansion 39.203.3 Examples 39.204 quirc 39.205 random 39.206 readeia608 39.206.1 Commands 39.206.2 Examples 39.207 readvitc 39.207.1 Examples 39.208 remap 39.209 removegrain 39.210 removelogo 39.211 repeatfields 39.212 reverse 39.212.1 Examples 39.213 rgbashift 39.213.1 Commands 39.214 roberts 39.214.1 Commands 39.215 rotate 39.215.1 Examples 39.215.2 Commands 39.216 sab 39.217 scale 39.217.1 Options 39.217.2 Examples 39.217.3 Commands 39.218 scale_cuda 39.218.1 Examples 39.219 scale_npp 39.220 scale2ref_npp 39.220.1 Examples 39.221 scale_vt 39.222 scharr 39.222.1 Commands 39.223 scroll 39.223.1 Commands 39.224 scdet 39.225 selectivecolor 39.225.1 Examples 39.226 separatefields 39.227 setdar, setsar 39.227.1 Examples 39.228 setfield 39.229 setparams 39.230 sharpen_npp 39.231 shear 39.231.1 Commands 39.232 showinfo 39.233 showpalette 39.234 shuffleframes 39.234.1 Examples 39.235 shufflepixels 39.236 shuffleplanes 39.236.1 Examples 39.237 signalstats 39.237.1 Examples 39.238 signature 39.238.1 Examples 39.239 siti 39.239.1 Examples 39.240 smartblur 39.241 sobel 39.241.1 Commands 39.242 spp 39.242.1 Commands 39.243 sr 39.244 ssim 39.244.1 Examples 39.245 stereo3d 39.245.1 Examples 39.246 streamselect, astreamselect 39.246.1 Commands 39.246.2 Examples 39.247 subtitles 39.248 super2xsai 39.249 swaprect 39.249.1 Commands 39.250 swapuv 39.251 tblend 39.252 telecine 39.253 thistogram 39.254 threshold 39.254.1 Commands 39.254.2 Examples 39.255 thumbnail 39.255.1 Examples 39.256 tile 39.256.1 Examples 39.257 tiltandshift 39.258 tinterlace 39.259 tmedian 39.259.1 Commands 39.260 tmidequalizer 39.261 tmix 39.261.1 Examples 39.261.2 Commands 39.262 tonemap 39.262.1 Options 39.263 tpad 39.264 transpose 39.265 transpose_npp 39.266 trim 39.267 unpremultiply 39.268 unsharp 39.268.1 Examples 39.269 untile 39.269.1 Examples 39.270 uspp 39.271 v360 39.271.1 Examples 39.271.2 Commands 39.272 vaguedenoiser 39.273 varblur 39.273.1 Commands 39.274 vectorscope 39.275 vidstabdetect 39.275.1 Examples 39.276 vidstabtransform 39.276.1 Options 39.276.2 Examples 39.277 vflip 39.278 vfrdet 39.279 vibrance 39.279.1 Commands 39.280 vif 39.281 vignette 39.281.1 Expressions 39.281.2 Examples 39.282 vmafmotion 39.283 vstack 39.284 w3fdif 39.284.1 Commands 39.285 waveform 39.286 weave, doubleweave 39.286.1 Examples 39.287 xbr 39.288 xcorrelate 39.289 xfade 39.289.1 Examples 39.290 xmedian 39.290.1 Commands 39.291 xstack 39.291.1 Examples 39.292 yadif 39.293 yadif_cuda 39.294 yaepblur 39.294.1 Commands 39.295 zoompan 39.295.1 Examples 39.296 zscale 39.296.1 Options 39.296.2 Commands 40 OpenCL Video Filters 40.1 avgblur_opencl 40.1.1 Example 40.2 boxblur_opencl 40.2.1 Examples 40.3 colorkey_opencl 40.3.1 Examples 40.4 convolution_opencl 40.4.1 Examples 40.5 erosion_opencl 40.5.1 Example 40.6 deshake_opencl 40.6.1 Examples 40.7 dilation_opencl 40.7.1 Example 40.8 nlmeans_opencl 40.9 overlay_opencl 40.9.1 Examples 40.10 pad_opencl 40.11 prewitt_opencl 40.11.1 Example 40.12 program_opencl 40.13 remap_opencl 40.14 roberts_opencl 40.14.1 Example 40.15 sobel_opencl 40.15.1 Example 40.16 tonemap_opencl 40.16.1 Example 40.17 unsharp_opencl 40.17.1 Examples 40.18 xfade_opencl 41 VAAPI Video Filters 41.1 overlay_vaapi 41.1.1 Examples 41.2 tonemap_vaapi 41.2.1 Example 41.3 hstack_vaapi 41.4 vstack_vaapi 41.5 xstack_vaapi 41.6 pad_vaapi 41.7 drawbox_vaapi 41.7.1 Examples 42 Vulkan Video Filters 42.1 avgblur_vulkan 42.2 blend_vulkan 42.3 bwdif_vulkan 42.4 chromaber_vulkan 42.5 color_vulkan 42.6 vflip_vulkan 42.7 hflip_vulkan 42.8 flip_vulkan 42.9 gblur_vulkan 42.10 nlmeans_vulkan 42.11 overlay_vulkan 42.12 transpose_vt 42.13 transpose_vulkan 43 QSV Video Filters 43.1 hstack_qsv 43.2 vstack_qsv 43.3 xstack_qsv 44 Video Sources 44.1 buffer 44.2 cellauto 44.2.1 Examples 44.3 coreimagesrc 44.3.1 Examples 44.4 ddagrab 44.4.1 Examples 44.5 gradients 44.5.1 Commands 44.6 mandelbrot 44.7 mptestsrc 44.8 frei0r_src 44.9 life 44.9.1 Examples 44.10 perlin 44.10.1 Options 44.10.2 Examples 44.11 qrencodesrc 44.11.1 Examples 44.12 allrgb, allyuv, color, colorchart, colorspectrum, haldclutsrc, nullsrc, pal75bars, pal100bars, rgbtestsrc, smptebars, smptehdbars, testsrc, testsrc2, yuvtestsrc 44.12.1 Examples 44.12.2 Commands 44.13 openclsrc 44.14 sierpinski 44.15 zoneplate 44.15.1 Commands 44.15.2 Examples 45 Video Sinks 45.1 buffersink 45.2 nullsink 46 Multimedia Filters 46.1 a3dscope 46.1.1 Commands 46.2 abitscope 46.3 adrawgraph 46.4 agraphmonitor 46.5 ahistogram 46.6 aphasemeter 46.6.1 phasing detection 46.6.2 Examples 46.7 avectorscope 46.7.1 Examples 46.7.2 Commands 46.8 bench, abench 46.8.1 Examples 46.9 concat 46.9.1 Examples 46.9.2 Commands 46.10 ebur128 46.10.1 Examples 46.11 interleave, ainterleave 46.11.1 Examples 46.12 latency, alatency 46.13 metadata, ametadata 46.13.1 Examples 46.14 perms, aperms 46.15 realtime, arealtime 46.15.1 Commands 46.16 segment, asegment 46.16.1 Examples 46.17 select, aselect 46.17.1 Examples 46.18 sendcmd, asendcmd 46.18.1 Commands syntax 46.18.2 Examples 46.19 setpts, asetpts 46.19.1 Examples 46.19.2 Commands 46.20 setrange 46.21 settb, asettb 46.21.1 Examples 46.22 showcqt 46.22.1 Examples 46.23 showcwt 46.24 showfreqs 46.25 showspatial 46.26 showspectrum 46.26.1 Examples 46.27 showspectrumpic 46.27.1 Examples 46.28 showvolume 46.29 showwaves 46.29.1 Examples 46.30 showwavespic 46.30.1 Examples 46.31 sidedata, asidedata 46.32 spectrumsynth 46.32.1 Examples 46.33 split, asplit 46.33.1 Examples 46.34 zmq, azmq 46.34.1 Examples 47 Multimedia Sources 47.1 amovie 47.2 avsynctest 47.2.1 Commands 47.3 movie 47.3.1 Examples 47.3.2 Commands 48 External libraries 48.1 Alliance for Open Media (AOM) 48.2 AMD AMF/VCE 48.3 AviSynth 48.4 Chromaprint 48.5 codec2 48.6 dav1d 48.7 davs2 48.8 uavs3d 48.9 Game Music Emu 48.10 Intel QuickSync Video 48.11 Kvazaar 48.12 LAME 48.13 libilbc 48.14 libjxl 48.15 libvpx 48.16 ModPlug 48.17 OpenCORE, VisualOn, and Fraunhofer libraries 48.17.1 OpenCORE AMR 48.17.2 VisualOn AMR-WB encoder library 48.17.3 Fraunhofer AAC library 48.17.4 LC3 library 48.18 OpenH264 48.19 OpenJPEG 48.20 rav1e 48.21 SVT-AV1 48.22 TwoLAME 48.23 VapourSynth 48.24 x264 48.25 x265 48.26 xavs 48.27 xavs2 48.28 eXtra-fast Essential Video Encoder (XEVE) 48.29 eXtra-fast Essential Video Decoder (XEVD) 48.30 ZVBI 49 Supported File Formats, Codecs or Features 49.1 File Formats 49.2 Image Formats 49.3 Video Codecs 49.4 Audio Codecs 49.5 Subtitle Formats 49.6 Network Protocols 49.7 Input/Output Devices 49.8 Timecode 50 See Also 51 Authors