... 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 adrc              A->A       Audio Spectral Dynamic Range Controller.
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.
... azmq              A->A       Receive commands through ZMQ and broker them to filters.
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.
TSC 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 rubberband        A->A       Apply time-stretching and pitch-shifting.
..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.
.SC 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.
... afdelaysrc        |->A       Generate a Fractional delay FIR coefficients.
... 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.
TSC backgroundkey     V->V       Turns a static background into transparency.
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.
... coreimage         V->V       Video filtering using CoreImage API.
T.. corr              VV->V      Calculate the correlation between two video streams.
... cover_rect        V->V       Find and cover a user specified object.
..C crop              V->V       Crop the input video.
T.C 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.C frei0r            V->V       Apply a frei0r effect.
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.
... libvmaf           VV->V      Calculate the VMAF between two video streams.
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.
... ocr               V->V       Optical Character Recognition.
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.
... ssim360           VV->V      Calculate the SSIM between two 360 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.
TS. 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.
... vidstabdetect     V->V       Extract relative transformations, pass 1 of 2 for stabilization (see vidstabtransform for pass 2).
... vidstabtransform  V->V       Transform the frames, pass 2 of 2 for stabilization (see vidstabdetect for pass 1).
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.
T.. yadif_videotoolbox V->V       YADIF for VideoToolbox frames using Metal compute
TSC yaepblur          V->V       Yet another edge preserving blur filter.
... zmq               V->V       Receive commands through ZMQ and broker them to filters.
... zoompan           V->V       Apply Zoom & Pan effect.
.SC zscale            V->V       Apply resizing, colorspace and bit depth conversion.
... 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.
... coreimagesrc      |->V       Video source using image generators of CoreImage API.
... frei0r_src        |->V       Generate a frei0r source.
.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.
..C a3dscope          A->V       Convert input audio to 3d scope video output.
... 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.
.S. showcwt           A->V       Convert input audio to a CWT (Continuous Wavelet 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.
