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Sam Lavigne 2023-08-19 13:01:37 -04:00
parent 6885b808f5
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12 changed files with 1084 additions and 3719 deletions
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... abench A->A Benchmark part of a filtergraph.
..C acompressor A->A Audio compressor.
... acontrast A->A Simple audio dynamic range compression/expansion filter.
... acopy A->A Copy the input audio unchanged to the output.
... acue A->A Delay filtering to match a cue.
... acrossfade AA->A Cross fade two input audio streams.
.S. acrossover A->N Split audio into per-bands streams.
T.C acrusher A->A Reduce audio bit resolution.
TS. adeclick A->A Remove impulsive noise from input audio.
TS. adeclip A->A Remove clipping from input audio.
TS. adecorrelate A->A Apply decorrelation to input audio.
T.C adelay A->A Delay one or more audio channels.
TSC adenorm A->A Remedy denormals by adding extremely low-level noise.
T.. aderivative A->A Compute derivative of input audio.
TSC adynamicequalizer A->A Apply Dynamic Equalization of input audio.
T.C adynamicsmooth A->A Apply Dynamic Smoothing of input audio.
... aecho A->A Add echoing to the audio.
TSC aemphasis A->A Audio emphasis.
T.. aeval A->A Filter audio signal according to a specified expression.
T.C aexciter A->A Enhance high frequency part of audio.
T.C afade A->A Fade in/out input audio.
TSC afftdn A->A Denoise audio samples using FFT.
TS. afftfilt A->A Apply arbitrary expressions to samples in frequency domain.
.SC afir N->N Apply Finite Impulse Response filter with supplied coefficients in additional stream(s).
... aformat A->A Convert the input audio to one of the specified formats.
TSC afreqshift A->A Apply frequency shifting to input audio.
TSC afwtdn A->A Denoise audio stream using Wavelets.
T.C agate A->A Audio gate.
.S. aiir A->N Apply Infinite Impulse Response filter with supplied coefficients.
T.. aintegral A->A Compute integral of input audio.
... ainterleave N->A Temporally interleave audio inputs.
T.. alatency A->A Report audio filtering latency.
T.C alimiter A->A Audio lookahead limiter.
TSC allpass A->A Apply a two-pole all-pass filter.
... aloop A->A Loop audio samples.
... amerge N->A Merge two or more audio streams into a single multi-channel stream.
T.. ametadata A->A Manipulate audio frame metadata.
..C amix N->A Audio mixing.
... amultiply AA->A Multiply two audio streams.
TSC anequalizer A->N Apply high-order audio parametric multi band equalizer.
TSC anlmdn A->A Reduce broadband noise from stream using Non-Local Means.
TSC anlmf AA->A Apply Normalized Least-Mean-Fourth algorithm to first audio stream.
TSC anlms AA->A Apply Normalized Least-Mean-Squares algorithm to first audio stream.
... anull A->A Pass the source unchanged to the output.
T.. apad A->A Pad audio with silence.
T.C aperms A->A Set permissions for the output audio frame.
... aphaser A->A Add a phasing effect to the audio.
TSC aphaseshift A->A Apply phase shifting to input audio.
TSC apsyclip A->A Audio Psychoacoustic Clipper.
... apulsator A->A Audio pulsator.
..C arealtime A->A Slow down filtering to match realtime.
... aresample A->A Resample audio data.
... areverse A->A Reverse an audio clip.
TSC arnndn A->A Reduce noise from speech using Recurrent Neural Networks.
... asdr AA->A Measure Audio Signal-to-Distortion Ratio.
... asegment A->N Segment audio stream.
... aselect A->N Select audio frames to pass in output.
... asendcmd A->A Send commands to filters.
... asetnsamples A->A Set the number of samples for each output audio frames.
... asetpts A->A Set PTS for the output audio frame.
... asetrate A->A Change the sample rate without altering the data.
... asettb A->A Set timebase for the audio output link.
... ashowinfo A->A Show textual information for each audio frame.
T.. asidedata A->A Manipulate audio frame side data.
TSC asoftclip A->A Audio Soft Clipper.
.S. aspectralstats A->A Show frequency domain statistics about audio frames.
... asplit A->N Pass on the audio input to N audio outputs.
.S. astats A->A Show time domain statistics about audio frames.
..C astreamselect N->N Select audio streams
TSC asubboost A->A Boost subwoofer frequencies.
TSC asubcut A->A Cut subwoofer frequencies.
TSC asupercut A->A Cut super frequencies.
TSC asuperpass A->A Apply high order Butterworth band-pass filter.
TSC asuperstop A->A Apply high order Butterworth band-stop filter.
..C atempo A->A Adjust audio tempo.
TSC atilt A->A Apply spectral tilt to audio.
... atrim A->A Pick one continuous section from the input, drop the rest.
... axcorrelate AA->A Cross-correlate two audio streams.
TSC bandpass A->A Apply a two-pole Butterworth band-pass filter.
TSC bandreject A->A Apply a two-pole Butterworth band-reject filter.
TSC bass A->A Boost or cut lower frequencies.
TSC biquad A->A Apply a biquad IIR filter with the given coefficients.
... channelmap A->A Remap audio channels.
... channelsplit A->N Split audio into per-channel streams.
... chorus A->A Add a chorus effect to the audio.
... compand A->A Compress or expand audio dynamic range.
T.C compensationdelay A->A Audio Compensation Delay Line.
T.C crossfeed A->A Apply headphone crossfeed filter.
TSC crystalizer A->A Simple audio noise sharpening filter.
T.. dcshift A->A Apply a DC shift to the audio.
T.. deesser A->A Apply de-essing to the audio.
T.C dialoguenhance A->A Audio Dialogue Enhancement.
... drmeter A->A Measure audio dynamic range.
T.C dynaudnorm A->A Dynamic Audio Normalizer.
... earwax A->A Widen the stereo image.
... ebur128 A->N EBU R128 scanner.
TSC equalizer A->A Apply two-pole peaking equalization (EQ) filter.
T.C extrastereo A->A Increase difference between stereo audio channels.
..C firequalizer A->A Finite Impulse Response Equalizer.
... flanger A->A Apply a flanging effect to the audio.
... haas A->A Apply Haas Stereo Enhancer.
... hdcd A->A Apply High Definition Compatible Digital (HDCD) decoding.
.S. headphone N->A Apply headphone binaural spatialization with HRTFs in additional streams.
TSC highpass A->A Apply a high-pass filter with 3dB point frequency.
TSC highshelf A->A Apply a high shelf filter.
... join N->A Join multiple audio streams into multi-channel output.
... loudnorm A->A EBU R128 loudness normalization
TSC lowpass A->A Apply a low-pass filter with 3dB point frequency.
TSC lowshelf A->A Apply a low shelf filter.
... mcompand A->A Multiband Compress or expand audio dynamic range.
... pan A->A Remix channels with coefficients (panning).
... replaygain A->A ReplayGain scanner.
..C sidechaincompress AA->A Sidechain compressor.
T.C sidechaingate AA->A Audio sidechain gate.
... silencedetect A->A Detect silence.
... silenceremove A->A Remove silence.
T.C speechnorm A->A Speech Normalizer.
T.C stereotools A->A Apply various stereo tools.
T.C stereowiden A->A Apply stereo widening effect.
... superequalizer A->A Apply 18 band equalization filter.
.S. surround A->A Apply audio surround upmix filter.
TSC tiltshelf A->A Apply a tilt shelf filter.
TSC treble A->A Boost or cut upper frequencies.
T.. tremolo A->A Apply tremolo effect.
T.. vibrato A->A Apply vibrato effect.
T.C virtualbass A->A Audio Virtual Bass.
T.C volume A->A Change input volume.
... volumedetect A->A Detect audio volume.
... aevalsrc |->A Generate an audio signal generated by an expression.
... afirsrc |->A Generate a FIR coefficients audio stream.
... anoisesrc |->A Generate a noise audio signal.
... anullsrc |->A Null audio source, return empty audio frames.
... hilbert |->A Generate a Hilbert transform FIR coefficients.
... sinc |->A Generate a sinc kaiser-windowed low-pass, high-pass, band-pass, or band-reject FIR coefficients.
... sine |->A Generate sine wave audio signal.
... anullsink A->| Do absolutely nothing with the input audio.
... addroi V->V Add region of interest to frame.
... alphaextract V->V Extract an alpha channel as a grayscale image component.
T.. alphamerge VV->V Copy the luma value of the second input into the alpha channel of the first input.
TSC amplify V->V Amplify changes between successive video frames.
... ass V->V Render ASS subtitles onto input video using the libass library.
TSC atadenoise V->V Apply an Adaptive Temporal Averaging Denoiser.
T.C avgblur V->V Apply Average Blur filter.
T.C bbox V->V Compute bounding box for each frame.
... bench V->V Benchmark part of a filtergraph.
TSC bilateral V->V Apply Bilateral filter.
T.. bitplanenoise V->V Measure bit plane noise.
.S. blackdetect V->V Detect video intervals that are (almost) black.
... blackframe V->V Detect frames that are (almost) black.
TSC blend VV->V Blend two video frames into each other.
... blockdetect V->V Blockdetect filter.
... blurdetect V->V Blurdetect filter.
TS. bm3d N->V Block-Matching 3D denoiser.
T.. boxblur V->V Blur the input.
TS. bwdif V->V Deinterlace the input image.
TSC cas V->V Contrast Adaptive Sharpen.
TSC chromahold V->V Turns a certain color range into gray.
TSC chromakey V->V Turns a certain color into transparency. Operates on YUV colors.
TSC chromanr V->V Reduce chrominance noise.
TSC chromashift V->V Shift chroma.
... ciescope V->V Video CIE scope.
T.. codecview V->V Visualize information about some codecs.
TSC colorbalance V->V Adjust the color balance.
TSC colorchannelmixer V->V Adjust colors by mixing color channels.
TSC colorcontrast V->V Adjust color contrast between RGB components.
TSC colorcorrect V->V Adjust color white balance selectively for blacks and whites.
TSC colorize V->V Overlay a solid color on the video stream.
TSC colorkey V->V Turns a certain color into transparency. Operates on RGB colors.
TSC colorhold V->V Turns a certain color range into gray. Operates on RGB colors.
TSC colorlevels V->V Adjust the color levels.
TSC colormap VVV->V Apply custom Color Maps to video stream.
TS. colormatrix V->V Convert color matrix.
TS. colorspace V->V Convert between colorspaces.
TSC colortemperature V->V Adjust color temperature of video.
TSC convolution V->V Apply convolution filter.
TS. convolve VV->V Convolve first video stream with second video stream.
... copy V->V Copy the input video unchanged to the output.
... cover_rect V->V Find and cover a user specified object.
..C crop V->V Crop the input video.
T.. cropdetect V->V Auto-detect crop size.
... cue V->V Delay filtering to match a cue.
TSC curves V->V Adjust components curves.
.SC datascope V->V Video data analysis.
T.C dblur V->V Apply Directional Blur filter.
TS. dctdnoiz V->V Denoise frames using 2D DCT.
TSC deband V->V Debands video.
T.C deblock V->V Deblock video.
... decimate N->V Decimate frames (post field matching filter).
TS. deconvolve VV->V Deconvolve first video stream with second video stream.
TS. dedot V->V Reduce cross-luminance and cross-color.
TSC deflate V->V Apply deflate effect.
... deflicker V->V Remove temporal frame luminance variations.
... dejudder V->V Remove judder produced by pullup.
T.. delogo V->V Remove logo from input video.
T.. derain V->V Apply derain filter to the input.
... deshake V->V Stabilize shaky video.
TSC despill V->V Despill video.
... detelecine V->V Apply an inverse telecine pattern.
TSC dilation V->V Apply dilation effect.
T.. displace VVV->V Displace pixels.
... dnn_classify V->V Apply DNN classify filter to the input.
... dnn_detect V->V Apply DNN detect filter to the input.
... dnn_processing V->V Apply DNN processing filter to the input.
.S. doubleweave V->V Weave input video fields into double number of frames.
T.C drawbox V->V Draw a colored box on the input video.
... drawgraph V->V Draw a graph using input video metadata.
T.C drawgrid V->V Draw a colored grid on the input video.
T.C drawtext V->V Draw text on top of video frames using libfreetype library.
T.. edgedetect V->V Detect and draw edge.
... elbg V->V Apply posterize effect, using the ELBG algorithm.
T.. entropy V->V Measure video frames entropy.
.S. epx V->V Scale the input using EPX algorithm.
T.C eq V->V Adjust brightness, contrast, gamma, and saturation.
TSC erosion V->V Apply erosion effect.
TSC estdif V->V Apply Edge Slope Tracing deinterlace.
TSC exposure V->V Adjust exposure of the video stream.
... extractplanes V->N Extract planes as grayscale frames.
TS. fade V->V Fade in/out input video.
..C feedback VV->VV Apply feedback video filter.
TSC fftdnoiz V->V Denoise frames using 3D FFT.
TS. fftfilt V->V Apply arbitrary expressions to pixels in frequency domain.
... field V->V Extract a field from the input video.
... fieldhint V->V Field matching using hints.
... fieldmatch N->V Field matching for inverse telecine.
T.. fieldorder V->V Set the field order.
T.C fillborders V->V Fill borders of the input video.
... find_rect V->V Find a user specified object.
T.. floodfill V->V Fill area with same color with another color.
... format V->V Convert the input video to one of the specified pixel formats.
... fps V->V Force constant framerate.
... framepack VV->V Generate a frame packed stereoscopic video.
.S. framerate V->V Upsamples or downsamples progressive source between specified frame rates.
T.. framestep V->V Select one frame every N frames.
... freezedetect V->V Detects frozen video input.
... freezeframes VV->V Freeze video frames.
T.. fspp V->V Apply Fast Simple Post-processing filter.
TSC gblur V->V Apply Gaussian Blur filter.
TS. geq V->V Apply generic equation to each pixel.
T.. gradfun V->V Debands video quickly using gradients.
... graphmonitor V->V Show various filtergraph stats.
TS. grayworld V->V Adjust white balance using LAB gray world algorithm
TS. greyedge V->V Estimates scene illumination by grey edge assumption.
TSC guided N->V Apply Guided filter.
TSC haldclut VV->V Adjust colors using a Hald CLUT.
TS. hflip V->V Horizontally flip the input video.
T.. histeq V->V Apply global color histogram equalization.
... histogram V->V Compute and draw a histogram.
TSC hqdn3d V->V Apply a High Quality 3D Denoiser.
.S. hqx V->V Scale the input by 2, 3 or 4 using the hq*x magnification algorithm.
.S. hstack N->V Stack video inputs horizontally.
TSC hsvhold V->V Turns a certain HSV range into gray.
TSC hsvkey V->V Turns a certain HSV range into transparency. Operates on YUV colors.
T.C hue V->V Adjust the hue and saturation of the input video.
TSC huesaturation V->V Apply hue-saturation-intensity adjustments.
... hwdownload V->V Download a hardware frame to a normal frame
... hwmap V->V Map hardware frames
... hwupload V->V Upload a normal frame to a hardware frame
T.. hysteresis VV->V Grow first stream into second stream by connecting components.
TS. identity VV->V Calculate the Identity between two video streams.
... idet V->V Interlace detect Filter.
T.C il V->V Deinterleave or interleave fields.
TSC inflate V->V Apply inflate effect.
... interlace V->V Convert progressive video into interlaced.
... interleave N->V Temporally interleave video inputs.
... kerndeint V->V Apply kernel deinterlacing to the input.
TSC kirsch V->V Apply kirsch operator.
TSC lagfun V->V Slowly update darker pixels.
T.. latency V->V Report video filtering latency.
TSC lenscorrection V->V Rectify the image by correcting for lens distortion.
TSC limitdiff N->V Apply filtering with limiting difference.
TSC limiter V->V Limit pixels components to the specified range.
... loop V->V Loop video frames.
TSC lumakey V->V Turns a certain luma into transparency.
TSC lut V->V Compute and apply a lookup table to the RGB/YUV input video.
TSC lut1d V->V Adjust colors using a 1D LUT.
TSC lut2 VV->V Compute and apply a lookup table from two video inputs.
TSC lut3d V->V Adjust colors using a 3D LUT.
TSC lutrgb V->V Compute and apply a lookup table to the RGB input video.
TSC lutyuv V->V Compute and apply a lookup table to the YUV input video.
TSC maskedclamp VVV->V Clamp first stream with second stream and third stream.
TSC maskedmax VVV->V Apply filtering with maximum difference of two streams.
TSC maskedmerge VVV->V Merge first stream with second stream using third stream as mask.
TSC maskedmin VVV->V Apply filtering with minimum difference of two streams.
TSC maskedthreshold VV->V Pick pixels comparing absolute difference of two streams with threshold.
TSC maskfun V->V Create Mask.
TSC median V->V Apply Median filter.
... mergeplanes N->V Merge planes.
... mestimate V->V Generate motion vectors.
T.. metadata V->V Manipulate video frame metadata.
T.. midequalizer VV->V Apply Midway Equalization.
... minterpolate V->V Frame rate conversion using Motion Interpolation.
TSC mix N->V Mix video inputs.
TSC monochrome V->V Convert video to gray using custom color filter.
T.C morpho VV->V Apply Morphological filter.
... mpdecimate V->V Remove near-duplicate frames.
TS. msad VV->V Calculate the MSAD between two video streams.
TSC multiply VV->V Multiply first video stream with second video stream.
TSC negate V->V Negate input video.
TS. nlmeans V->V Non-local means denoiser.
TSC nnedi V->V Apply neural network edge directed interpolation intra-only deinterlacer.
... noformat V->V Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
TS. noise V->V Add noise.
T.C normalize V->V Normalize RGB video.
... null V->V Pass the source unchanged to the output.
T.C oscilloscope V->V 2D Video Oscilloscope.
TSC overlay VV->V Overlay a video source on top of the input.
T.. owdenoise V->V Denoise using wavelets.
... pad V->V Pad the input video.
... palettegen V->V Find the optimal palette for a given stream.
... paletteuse VV->V Use a palette to downsample an input video stream.
T.C perms V->V Set permissions for the output video frame.
TS. perspective V->V Correct the perspective of video.
T.C phase V->V Phase shift fields.
... photosensitivity V->V Filter out photosensitive epilepsy seizure-inducing flashes.
... pixdesctest V->V Test pixel format definitions.
TSC pixelize V->V Pixelize video.
T.C pixscope V->V Pixel data analysis.
T.C pp V->V Filter video using libpostproc.
T.. pp7 V->V Apply Postprocessing 7 filter.
TS. premultiply N->V PreMultiply first stream with first plane of second stream.
TSC prewitt V->V Apply prewitt operator.
TSC pseudocolor V->V Make pseudocolored video frames.
TS. psnr VV->V Calculate the PSNR between two video streams.
... pullup V->V Pullup from field sequence to frames.
T.. qp V->V Change video quantization parameters.
... random V->V Return random frames.
TSC readeia608 V->V Read EIA-608 Closed Caption codes from input video and write them to frame metadata.
... readvitc V->V Read vertical interval timecode and write it to frame metadata.
..C realtime V->V Slow down filtering to match realtime.
.S. remap VVV->V Remap pixels.
TS. removegrain V->V Remove grain.
T.. removelogo V->V Remove a TV logo based on a mask image.
... repeatfields V->V Hard repeat fields based on MPEG repeat field flag.
... reverse V->V Reverse a clip.
TSC rgbashift V->V Shift RGBA.
TSC roberts V->V Apply roberts cross operator.
TSC rotate V->V Rotate the input image.
T.. sab V->V Apply shape adaptive blur.
..C scale V->V Scale the input video size and/or convert the image format.
..C scale2ref VV->VV Scale the input video size and/or convert the image format to the given reference.
... scdet V->V Detect video scene change
TSC scharr V->V Apply scharr operator.
TSC scroll V->V Scroll input video.
... segment V->N Segment video stream.
... select V->N Select video frames to pass in output.
TS. selectivecolor V->V Apply CMYK adjustments to specific color ranges.
... sendcmd V->V Send commands to filters.
... separatefields V->V Split input video frames into fields.
... setdar V->V Set the frame display aspect ratio.
... setfield V->V Force field for the output video frame.
... setparams V->V Force field, or color property for the output video frame.
... setpts V->V Set PTS for the output video frame.
... setrange V->V Force color range for the output video frame.
... setsar V->V Set the pixel sample aspect ratio.
... settb V->V Set timebase for the video output link.
TSC shear V->V Shear transform the input image.
... showinfo V->V Show textual information for each video frame.
... showpalette V->V Display frame palette.
T.. shuffleframes V->V Shuffle video frames.
TS. shufflepixels V->V Shuffle video pixels.
T.. shuffleplanes V->V Shuffle video planes.
T.. sidedata V->V Manipulate video frame side data.
.S. signalstats V->V Generate statistics from video analysis.
... signature N->V Calculate the MPEG-7 video signature
... siti V->V Calculate spatial information (SI) and temporal information (TI).
T.. smartblur V->V Blur the input video without impacting the outlines.
TSC sobel V->V Apply sobel operator.
... split V->N Pass on the input to N video outputs.
T.C spp V->V Apply a simple post processing filter.
... sr V->V Apply DNN-based image super resolution to the input.
TS. ssim VV->V Calculate the SSIM between two video streams.
.S. stereo3d V->V Convert video stereoscopic 3D view.
..C streamselect N->N Select video streams
... subtitles V->V Render text subtitles onto input video using the libass library.
.S. super2xsai V->V Scale the input by 2x using the Super2xSaI pixel art algorithm.
T.C swaprect V->V Swap 2 rectangular objects in video.
T.. swapuv V->V Swap U and V components.
TSC tblend V->V Blend successive frames.
... telecine V->V Apply a telecine pattern.
... thistogram V->V Compute and draw a temporal histogram.
TSC threshold VVVV->V Threshold first video stream using other video streams.
T.. thumbnail V->V Select the most representative frame in a given sequence of consecutive frames.
... tile V->V Tile several successive frames together.
... tinterlace V->V Perform temporal field interlacing.
TSC tlut2 V->V Compute and apply a lookup table from two successive frames.
TSC tmedian V->V Pick median pixels from successive frames.
T.. tmidequalizer V->V Apply Temporal Midway Equalization.
TSC tmix V->V Mix successive video frames.
.S. tonemap V->V Conversion to/from different dynamic ranges.
... tpad V->V Temporarily pad video frames.
.S. transpose V->V Transpose input video.
... trim V->V Pick one continuous section from the input, drop the rest.
TS. unpremultiply N->V UnPreMultiply first stream with first plane of second stream.
TS. unsharp V->V Sharpen or blur the input video.
... untile V->V Untile a frame into a sequence of frames.
.SC v360 V->V Convert 360 projection of video.
T.. vaguedenoiser V->V Apply a Wavelet based Denoiser.
TSC varblur VV->V Apply Variable Blur filter.
..C vectorscope V->V Video vectorscope.
T.. vflip V->V Flip the input video vertically.
... vfrdet V->V Variable frame rate detect filter.
TSC vibrance V->V Boost or alter saturation.
TS. vif VV->V Calculate the VIF between two video streams.
T.. vignette V->V Make or reverse a vignette effect.
... vmafmotion V->V Calculate the VMAF Motion score.
.S. vstack N->V Stack video inputs vertically.
TSC w3fdif V->V Apply Martin Weston three field deinterlace.
.SC waveform V->V Video waveform monitor.
.S. weave V->V Weave input video fields into frames.
.S. xbr V->V Scale the input using xBR algorithm.
TS. xcorrelate VV->V Cross-correlate first video stream with second video stream.
.S. xfade VV->V Cross fade one video with another video.
TSC xmedian N->V Pick median pixels from several video inputs.
.S. xstack N->V Stack video inputs into custom layout.
TS. yadif V->V Deinterlace the input image.
TSC yaepblur V->V Yet another edge preserving blur filter.
... zoompan V->V Apply Zoom & Pan effect.
... allrgb |->V Generate all RGB colors.
... allyuv |->V Generate all yuv colors.
... cellauto |->V Create pattern generated by an elementary cellular automaton.
..C color |->V Provide an uniformly colored input.
... colorchart |->V Generate color checker chart.
... colorspectrum |->V Generate colors spectrum.
.S. gradients |->V Draw a gradients.
... haldclutsrc |->V Provide an identity Hald CLUT.
... life |->V Create life.
... mandelbrot |->V Render a Mandelbrot fractal.
... mptestsrc |->V Generate various test pattern.
... nullsrc |->V Null video source, return unprocessed video frames.
... pal75bars |->V Generate PAL 75% color bars.
... pal100bars |->V Generate PAL 100% color bars.
... rgbtestsrc |->V Generate RGB test pattern.
.S. sierpinski |->V Render a Sierpinski fractal.
... smptebars |->V Generate SMPTE color bars.
... smptehdbars |->V Generate SMPTE HD color bars.
... testsrc |->V Generate test pattern.
... testsrc2 |->V Generate another test pattern.
... yuvtestsrc |->V Generate YUV test pattern.
... nullsink V->| Do absolutely nothing with the input video.
... abitscope A->V Convert input audio to audio bit scope video output.
... adrawgraph A->V Draw a graph using input audio metadata.
... agraphmonitor A->V Show various filtergraph stats.
... ahistogram A->V Convert input audio to histogram video output.
... aphasemeter A->N Convert input audio to phase meter video output.
.SC avectorscope A->V Convert input audio to vectorscope video output.
..C concat N->N Concatenate audio and video streams.
... showcqt A->V Convert input audio to a CQT (Constant/Clamped Q Transform) spectrum video output.
... showfreqs A->V Convert input audio to a frequencies video output.
.S. showspatial A->V Convert input audio to a spatial video output.
.S. showspectrum A->V Convert input audio to a spectrum video output.
.S. showspectrumpic A->V Convert input audio to a spectrum video output single picture.
... showvolume A->V Convert input audio volume to video output.
... showwaves A->V Convert input audio to a video output.
... showwavespic A->V Convert input audio to a video output single picture.
... spectrumsynth VV->A Convert input spectrum videos to audio output.
... avsynctest |->AV Generate an Audio Video Sync Test.
..C amovie |->N Read audio from a movie source.
..C movie |->N Read from a movie source.
... afifo A->A Buffer input frames and send them when they are requested.
... fifo V->V Buffer input images and send them when they are requested.
... abuffer |->A Buffer audio frames, and make them accessible to the filterchain.
... buffer |->V Buffer video frames, and make them accessible to the filterchain.
... abuffersink A->| Buffer audio frames, and make them available to the end of the filter graph.
... buffersink V->| Buffer video frames, and make them available to the end of the filter graph.

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<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vite + Svelte</title>
<title>FFmpeg Explorer!</title>
</head>
<body>
<div id="app"></div>

29
package-lock.json generated
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@ -8,6 +8,8 @@
"name": "ffmpeg-builder",
"version": "0.0.0",
"dependencies": {
"@ffmpeg/ffmpeg": "^0.12.4",
"@ffmpeg/util": "^0.12.0",
"@leeoniya/ufuzzy": "^1.0.8"
},
"devDependencies": {
@ -381,6 +383,33 @@
"node": ">=12"
}
},
"node_modules/@ffmpeg/ffmpeg": {
"version": "0.12.4",
"resolved": "https://registry.npmjs.org/@ffmpeg/ffmpeg/-/ffmpeg-0.12.4.tgz",
"integrity": "sha512-YwdnZFxtKncEbg2ybJOZ8di7kxtVo6DP3FkWWn5E0MiXHXxCjgiIJNq5I+/04+OGC1nMvF3hdvGuRFxuogh/mQ==",
"dependencies": {
"@ffmpeg/types": "^0.12.0"
},
"engines": {
"node": ">=18.17.0"
}
},
"node_modules/@ffmpeg/types": {
"version": "0.12.0",
"resolved": "https://registry.npmjs.org/@ffmpeg/types/-/types-0.12.0.tgz",
"integrity": "sha512-AuR4K+L6v1/9hVOsikU4rGGT5nKulQa8HrtYhpgBEq0HojoWB1c9bq3TTkNBpEvS/gC17WDMVJrqIGgXOj1DXA==",
"engines": {
"node": ">=16.6.0"
}
},
"node_modules/@ffmpeg/util": {
"version": "0.12.0",
"resolved": "https://registry.npmjs.org/@ffmpeg/util/-/util-0.12.0.tgz",
"integrity": "sha512-8sHCW8H/ngqVhbRvCCX4e4uDNgZVoz8uNRry1zphIyzdX6flfBa2TmVwJ4g9/Qw//eAubEnuHaSxDGWWxcOTjg==",
"engines": {
"node": ">=18.17.0"
}
},
"node_modules/@jridgewell/gen-mapping": {
"version": "0.3.3",
"resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.3.tgz",

2
package.json
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@ -14,6 +14,8 @@
"vite": "^4.4.5"
},
"dependencies": {
"@ffmpeg/ffmpeg": "^0.12.4",
"@ffmpeg/util": "^0.12.0",
"@leeoniya/ufuzzy": "^1.0.8"
}
}

2
parse_filters.py
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@ -6,7 +6,7 @@ from subprocess import run
def get_names():
filters = []
with open("./filternames.txt", "r") as infile:
with open("./filternames_wasm.txt", "r") as infile:
input = infile.readlines()
input = [l.strip() for l in input]

16
public/ffmpeg-core.js Normal file
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public/ffmpeg-core.wasm Normal file
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1
public/ffmpeg-core.worker.js Normal file
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@ -0,0 +1 @@
"use strict";var Module={};var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";if(ENVIRONMENT_IS_NODE){var nodeWorkerThreads=require("worker_threads");var parentPort=nodeWorkerThreads.parentPort;parentPort.on("message",data=>onmessage({data:data}));var fs=require("fs");Object.assign(global,{self:global,require:require,Module:Module,location:{href:__filename},Worker:nodeWorkerThreads.Worker,importScripts:function(f){(0,eval)(fs.readFileSync(f,"utf8")+"//# sourceURL="+f)},postMessage:function(msg){parentPort.postMessage(msg)},performance:global.performance||{now:function(){return Date.now()}}})}var initializedJS=false;function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");if(ENVIRONMENT_IS_NODE){fs.writeSync(2,text+"\n");return}console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=(info,receiveInstance)=>{var module=Module["wasmModule"];Module["wasmModule"]=null;var instance=new WebAssembly.Instance(module,info);return receiveInstance(instance)};self.onunhandledrejection=e=>{throw e.reason??e};function handleMessage(e){try{if(e.data.cmd==="load"){let messageQueue=[];self.onmessage=e=>messageQueue.push(e);self.startWorker=instance=>{Module=instance;postMessage({"cmd":"loaded"});for(let msg of messageQueue){handleMessage(msg)}self.onmessage=handleMessage};Module["wasmModule"]=e.data.wasmModule;for(const handler of e.data.handlers){Module[handler]=function(){postMessage({cmd:"callHandler",handler:handler,args:[...arguments]})}}Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;(e.data.urlOrBlob?import(e.data.urlOrBlob):import("./ffmpeg-core.js")).then(exports=>exports.default(Module))}else if(e.data.cmd==="run"){Module["__emscripten_thread_init"](e.data.pthread_ptr,0,0,1);Module["__emscripten_thread_mailbox_await"](e.data.pthread_ptr);Module["establishStackSpace"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInitTLS();if(!initializedJS){initializedJS=true}try{Module["invokeEntryPoint"](e.data.start_routine,e.data.arg)}catch(ex){if(ex!="unwind"){throw ex}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["__emscripten_thread_exit"](-1)}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="checkMailbox"){if(initializedJS){Module["checkMailbox"]()}}else if(e.data.cmd){err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){if(Module["__emscripten_thread_crashed"]){Module["__emscripten_thread_crashed"]()}throw ex}}self.onmessage=handleMessage;

112
src/App.svelte
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@ -1,13 +1,27 @@
<script>
import FILTERS from "./filters.json";
import { onMount } from 'svelte';
import { inputs, output, filters } from "./stores.js";
import Input from "./Input.svelte";
import Output from "./Output.svelte";
import Filter from "./Filter.svelte";
import FilterPicker from "./FilterPicker.svelte";
import Modal from "./Modal.svelte";
import { FFmpeg } from "@ffmpeg/ffmpeg";
import { fetchFile, toBlobURL } from "@ffmpeg/util";
const baseURL = "https://unpkg.com/@ffmpeg/core-mt@0.12.2/dist/esm";
// const videoURL = "https://ffmpegwasm.netlify.app/video/video-15s.avi";
const videoURL = "/example.mp4";
const TIMEOUT = 40000;
const ffmpeg = new FFmpeg();
let showFilterModal = false;
let command = "";
let message = "";
let videoValue = null;
let ffmpegLoaded = false;
let rendering = false;
function newInput() {
$inputs = [...$inputs, ""];
@ -17,11 +31,34 @@
showFilterModal = true;
}
let command = "";
function render() {
transcode();
}
inputs.subscribe(updateCommand);
output.subscribe(updateCommand);
filters.subscribe(updateCommand);
async function transcode() {
// try {
message = "Start transcoding";
videoValue = null;
rendering = true;
await ffmpeg.writeFile("example.mp4", await fetchFile(videoURL));
// const infile = await ffmpeg.readFile("example.mp4");
// videoValue = URL.createObjectURL(new Blob([infile.buffer], { type: "video/mp4" }));
// console.log("VIDEO", videoValue);
const clist = commandList();
console.log(clist);
// await ffmpeg.exec(["-hide_banner", "-i", "example.mp4", "-vf", "negate", "out.mp4", "-y"]);
await ffmpeg.exec(clist, TIMEOUT);
message = "Complete transcoding";
const data = await ffmpeg.readFile("out.mp4");
rendering = false;
videoValue = URL.createObjectURL(new Blob([data.buffer], { type: "video/mp4" }));
rendering = false;
// console.log("VIDEO", videoValue);
// } catch (error) {
// console.log(error);
// }
}
function updateCommand() {
const cInputs = $inputs.map((i) => `-i ${i}`).join(" ");
@ -54,9 +91,59 @@
command = out;
return out;
}
function commandList() {
let command = ["-i", "example.mp4"];
const cFilters = $filters
.map((f) => {
let fCommand = f.name;
if (f.params && f.params.length > 0) {
let params = f.params
.map((p) => {
if (p.value === "" || p.value === null || p.value===p.default) return null;
return `${p.name}=${p.value}`;
})
.filter((p) => p !== null)
.join(":");
fCommand += "=" + params;
}
return fCommand;
})
.join(",");
if (cFilters.length > 0) {
command.push("-filter_complex");
command.push(cFilters);
}
command.push("-pix_fmt");
command.push("yuv420p");
command.push("out.mp4");
return command;
}
inputs.subscribe(updateCommand);
output.subscribe(updateCommand);
filters.subscribe(updateCommand);
onMount(async () => {
ffmpeg.on("log", ({ message: msg }) => {
console.log(msg);
// message = msg;
});
await ffmpeg.load({
coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, "text/javascript"),
wasmURL: await toBlobURL(`${baseURL}/ffmpeg-core.wasm`, "application/wasm"),
workerURL: await toBlobURL(`${baseURL}/ffmpeg-core.worker.js`, "text/javascript"),
});
console.log(ffmpeg);
ffmpegLoaded = true;
});
</script>
<main>
{message}
<section class="command">{command}</section>
<section class="inputs">
<h3>Inputs</h3>
@ -89,7 +176,20 @@
<section class="output">
<h3>Output</h3>
<Output bind:filename={$output} />
<p>{$output}</p>
<button on:click={render} disabled={!ffmpegLoaded}>
{#if ffmpegLoaded}
{#if rendering}
Rendering...
{:else}
Render
{/if}
{:else}
Loading ffmpeg
{/if}
</button>
{#if videoValue}
<video controls src={videoValue} />
{/if}
</section>
</main>

4161
src/filters.json
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4
src/stores.js
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@ -1,5 +1,5 @@
import { writable } from 'svelte/store';
export const inputs = writable(["input.mp4"]);
export const output = writable("output.mp4");
export const inputs = writable(["example.mp4"]);
export const output = writable("out.mp4");
export const filters = writable([]);

9
vite.config.js
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@ -4,4 +4,13 @@ import { svelte } from '@sveltejs/vite-plugin-svelte'
// https://vitejs.dev/config/
export default defineConfig({
plugins: [svelte()],
optimizeDeps: {
exclude: ["@ffmpeg/ffmpeg", "@ffmpeg/util"],
},
server: {
headers: {
"Cross-Origin-Opener-Policy": "same-origin",
"Cross-Origin-Embedder-Policy": "require-corp",
},
},
})