ffmpeg使用了很多的滤镜，在这里我们贴出来ffmpeg的一些滤镜的中英文对照。

D:\> ffmpeg/bin/ffmpeg.exe -filters

PS D:\> ffmpeg/bin/ffmpeg.exe -filters
ffmpeg version N-102564-g2261cc6d8a Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10-win32 (GCC) 20210408
  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64
mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --en
pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enab
ma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-li
--enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --e
-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx
ble-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
able-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libs
 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --e
-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-lde
gs= --extra-libs=-lgomp
  libavutil      57.  0.100 / 57.  0.100
  libavcodec     59.  1.100 / 59.  1.100
  libavformat    59.  2.100 / 59.  2.100
  libavdevice    59.  0.100 / 59.  0.100
  libavfilter     8.  0.101 /  8.  0.101
  libswscale      6.  0.100 /  6.  0.100
  libswresample   4.  0.100 /  4.  0.100
  libpostproc    56.  0.100 / 56.  0.100
Filters:
  T.. = Timeline support
  .S. = Slice threading
  ..C = Command support
  A = Audio input/output
  V = Video input/output
  N = Dynamic number and/or type of input/output
  | = Source or sink filter
 ... 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.
 ..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.
 T.. adelay            A->A       Delay one or more audio channels.
 TSC adenorm           A->A       Remedy denormals by adding extremely low-level noise.
 ... aderivative       A->A       Compute derivative 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.
 ... 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 str
).
 ... aformat           A->A       Convert the input audio to one of the specified formats.
 TSC afreqshift        A->A       Apply frequency shifting to input audio.
 T.C agate             A->A       Audio gate.
 .S. aiir              A->N       Apply Infinite Impulse Response filter with supplied coefficients.
 ... aintegral         A->A       Compute integral of input audio.
 ... ainterleave       N->A       Temporally interleave audio inputs.
 ... 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.
 .SC 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.. 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.
 ... apulsator         A->A       Audio pulsator.
 ... 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.
 ... 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.
 ... 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.
 ... 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.
 ... chromaber_vulkan  V->V       Offset chroma of input video (chromatic aberration)
 ... 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.
 ... 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.
 ... 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.
 ... lv2               N->A       Apply LV2 effect.
 ... 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.
 ..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 treble            A->A       Boost or cut upper frequencies.
 ... tremolo           A->A       Apply tremolo effect.
 ... vibrato           A->A       Apply vibrato effect.
 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 FI
fficients.
 ... 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->N       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.
 TSC avgblur           V->V       Apply Average Blur filter.
 ... avgblur_opencl    V->V       Apply average blur filter
 ... avgblur_vulkan    V->V       Apply avgblur mask to input video
 T.C bbox              V->V       Compute bounding box for each frame.
 ... bench             V->V       Benchmark part of a filtergraph.
 T.C 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.
 TS. bm3d              N->V       Block-Matching 3D denoiser.
 T.. boxblur           V->V       Blur the input.
 ... boxblur_opencl    V->V       Apply boxblur filter to input video
 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.
 ... colorkey_opencl   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.
 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.
 ... convolution_opencl V->V       Apply convolution mask to input video
 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.
 ... deinterlace_qsv   V->V       QuickSync video deinterlacing
 ... 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.
 ... deshake_opencl    V->V       Feature-point based video stabilization filter
 TSC despill           V->V       Despill video.
 ... detelecine        V->V       Apply an inverse telecine pattern.
 TSC dilation          V->V       Apply dilation effect.
 ... dilation_opencl   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.
 ... erosion_opencl    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.
 T.. fftdnoiz          V->V       Denoise frames using 3D FFT.
 T.. 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. greyedge          V->V       Estimates scene illumination by grey edge assumption.
 TSC guided            VV->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.
 T.C hue               V->V       Adjust the hue and saturation of the input video.
 ... 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
 ... hwupload_cuda     V->V       Upload a system memory frame to a CUDA device.
 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.
 TSC lenscorrection    V->V       Rectify the image by correcting for lens distortion.
 ... libvmaf           VV->V      Calculate the VMAF between two video streams.
 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.
 ... mpdecimate        V->V       Remove near-duplicate frames.
 TS. msad              VV->V      Calculate the MSAD between two video streams.
 TSC negate            V->V       Negate input video.
 TS. nlmeans           V->V       Non-local means denoiser.
 ... nlmeans_opencl    V->V       Non-local means denoiser through OpenCL
 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
ext 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.
 ... overlay_opencl    VV->V      Overlay one video on top of another
 ... overlay_qsv       VV->V      Quick Sync Video overlay.
 ... overlay_vulkan    VV->V      Overlay a source on top of another
 ... overlay_cuda      VV->V      Overlay one video on top of another using CUDA
 T.. owdenoise         V->V       Denoise using wavelets.
 ... pad               V->V       Pad the input video.
 ... pad_opencl        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.. 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.
 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.
 ... prewitt_opencl    V->V       Apply prewitt operator
 ... program_opencl    |->V       Filter video using an OpenCL program
 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 metada
 ... readvitc          V->V       Read vertical interval timecode and write it to frame metadata.
 ... realtime          V->V       Slow down filtering to match realtime.
 TS. 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.
 ... roberts_opencl    V->V       Apply roberts 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.
 ... scale_cuda        V->V       GPU accelerated video resizer
 ... scale_qsv         V->V       QuickSync video scaling and format conversion
 ... scale_vulkan      V->V       Scale Vulkan frames
 ..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 scroll            V->V       Scroll input video.
 ... 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
 T.. smartblur         V->V       Blur the input video without impacting the outlines.
 TSC sobel             V->V       Apply sobel operator.
 ... sobel_opencl      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.
 TS. 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.
 ... thumbnail_cuda    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.
 ... tonemap_opencl    V->V       Perform HDR to SDR conversion with tonemapping.
 ... tpad              V->V       Temporarily pad video frames.
 .S. transpose         V->V       Transpose input video.
 ... transpose_opencl  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.
 ... unsharp_opencl    V->V       Apply unsharp mask to 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.
 ... 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 vidstabtrans
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.
 ... vpp_qsv           V->V       Quick Sync Video VPP.
 .S. vstack            N->V       Stack video inputs vertically.
 TSC w3fdif            V->V       Apply Martin Weston three field deinterlace.
 .S. 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.
 .S. xfade             VV->V      Cross fade one video with another video.
 ... xfade_opencl      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_cuda        V->V       Deinterlace CUDA frames
 TSC yaepblur          V->V       Yet another edge preserving blur filter.
 ... zoompan           V->V       Apply Zoom & Pan effect.
 ..C 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.
 .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.
 ... openclsrc         |->V       Generate video using an OpenCL program
 ... 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.
 ... 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.
 ..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.
PS D:\>

中英文对照

FFMpeg ver 20160213-git-588e2e3 滤镜中英文对照 2016.02.17 by 1CM

T.. = Timeline support
      支持时间轴
.S. = Slice threading
      分段线程
..C = Command support
      支持命令传送
A = Audio input/output
    音频 输入/输出
V = Video input/output
    视频 输入/输出
N = Dynamic number and/or type of input/output
    可输入动态值
| = Source or sink filter
    源或场景过滤

Audio Filters
音频滤镜

 ... acompressor       A->A       Audio compressor.
                                  压缩音频.
 ... acrossfade        AA->A      Cross fade two input audio streams.
                                  交叉混合输入的两个音频流.
 T.. adelay            A->A       Delay one or more audio channels.
                                  延迟单个或多个音频通道.
 ... aecho             A->A       Add echoing to the audio.
                                  音频上追加回波.
 ... aemphasis         A->A       Audio emphasis.
                                  音频补偿.
 ... aeval             A->A       Filter audio signal according to a specified expression.
                                  根据指定的表达式修改音频信号.
 T.. afade             A->A       Fade in/out input audio.
                                  淡入/淡出 输入的音频.
 ... afftfilt          A->A       Apply arbitrary expressions to samples in frequency domain.
                                  将任意表达式应用到采样频域.
 ... aformat           A->A       Convert the input audio to one of the specified formats.
                                  指定格式转换输入的音频.
 ... agate             A->A       Audio gate.
                                  音频通道.
 ... ainterleave       N->A       Temporally interleave audio inputs.
                                  时间交叠输入音频.
 ... alimiter          A->A       Audio lookahead limiter.
                                  音频超前限制.
 ... allpass           A->A       Apply a two-pole all-pass filter.
                                  应用到一个两极全通滤镜.
 ... amerge            N->A       Merge two or more audio streams into a single multi-channel stream.
                                  两个或两个以上的音频流合并到一个多通道流.
 T.. ametadata         A->A       Manipulate audio frame metadata.
                                  操控音频帧的元数据.
 ... amix              N->A       Audio mixing.
                                  多个输入音频混合到单个音频输出.
 ..C anequalizer       A->N       Apply high-order audio parametric multi band equalizer.
                                  应用到每个通道高阶参数多波段均衡器.
 ... anull             A->A       Pass the source unchanged to the output.
                                  不改变音频源进行输出.
 T.. apad              A->A       Pad audio with silence.
                                  无声填充模板.
 ... aperms            A->A       Set permissions for the output audio frame.
                                  允许设置输出的音频帧.
 ... aphaser           A->A       Add a phasing effect to the audio.
                                  给输入音频添加调相效果.
 ... apulsator         A->A       Audio pulsator.
                                  音频震动器.
 ... arealtime         A->A       Slow down filtering to match realtime.
                                  减慢过滤作用,近似实时匹配.
 ... aresample         A->A       Resample audio data.
                                  重新采样音频数据.
 ... areverse          A->A       Reverse an audio clip.
                                  反转音频素材.
 ... aselect           A->N       Select audio frames to pass in output.
                                  选择音频帧赋予输出.
 ... asendcmd          A->A       Send commands to filters.
                                  给滤镜发送命令,必须插入到两个音频之间,只对具有该功能的滤镜命令有效.
 ... asetnsamples      A->A       Set the number of samples for each output audio frames.
                                  设置每个输出音频帧的采样数.
 ... asetpts           A->A       Set PTS for the output audio frame.
                                  设置输出音频的表示时间戳(PTS).
 ... asetrate          A->A       Change the sample rate without altering the data.
                                  设置采样率,但不改变PCM数据.
 ... asettb            A->A       Set timebase for the audio output link.
                                  设置时间轴用于音频输出帧的时间戳.
 ... ashowinfo         A->A       Show textual information for each audio frame.
                                  显示每个音频帧的文本信息.
 ... asplit            A->N       Pass on the audio input to N audio outputs.
                                  输入的音频分配给N个相同的输出.
 ... astats            A->A       Show time domain statistics about audio frames.
                                  显示音频帧的时域统计信息.
 ..C astreamselect     N->N       Select audio streams.
                                  多个输入音频流中选择一个音频流,若干个具有相同时间长度的媒体有效.
 ..C atempo            A->A       Adjust audio tempo.
                                  调整音频播放速度, 其范围是0.5-2.0.
 ... atrim             A->A       Pick one continuous section from the input, drop the rest.
                                  从输入音频中挑选连续的组成部分,一直到结束.
 ... bandpass          A->A       Apply a two-pole Butterworth band-pass filter.
                                  应用到一个两极巴特沃斯带通滤波器的主要频率.
 ... bandreject        A->A       Apply a two-pole Butterworth band-reject filter.
                                  应用到一个两极巴特沃斯带阻滤波器的主要频率.
 ... bass              A->A       Boost or cut lower frequencies.
                                  增加或减少低频.
 ... biquad            A->A       Apply a biquad IIR filter with the given coefficients.
                                  应用到双二次滤镜的特定系数.
 ... bs2b              A->A       Bauer stereo-to-binaural filter.
                                  鲍尔立体声双声道的转换,适合用耳机听立体声音频.
 ... channelmap        A->A       Remap audio channels.
                                  将输入音频通道重新映射到新的位置.
 ... channelsplit      A->N       Split audio into per-channel streams.
                                  输入音频流的每个音频通道分为不同的输出流.
 ... chorus            A->A       Add a chorus effect to the audio.
                                  给音频添加合唱效果.
 ... compand           A->A       Compress or expand audio dynamic range.
                                  压缩或展开音频的动态范围.
 ... compensationdelay A->A       Audio Compensation Delay Line.
                                  给音频补偿延迟线.
 T.. dcshift           A->A       Apply a DC shift to the audio.
                                  应用到DC偏置(可能由硬件问题引起的录音通路)的音频.
 ... dynaudnorm        A->A       Dynamic Audio Normalizer.
                                  动态音频的标准化.
 ... earwax            A->A       Widen the stereo image.
                                  扩展到用耳机听到立体感.
 ... ebur128           A->N       EBU R128 scanner.
                                  EBU R128 音频可视化扫描滤镜.
 ... equalizer         A->A       Apply two-pole peaking equalization (EQ) filter.
                                  应用到两极峰值均衡器(EQ)滤镜.
 ... extrastereo       A->A       Increase difference between stereo audio channels.
                                  给左右音频通道线性增加某种"现场"回放效果.
 ... flanger           A->A       Apply a flanging effect to the audio.
                                  翻边效果应用到音频中.
 ... highpass          A->A       Apply a high-pass filter with 3dB point frequency.
                                  应用到3db点频率的高通滤镜.
 ... join              N->A       Join multiple audio streams into multi-channel output.
                                  多输入音频流连接到一个多通道输出流.
 ... lowpass           A->A       Apply a low-pass filter with 3dB point frequency.
                                  应用到3db点频率的低通滤镜.
 ... pan               A->A       Remix channels with coefficients (panning).
                                  混合特定增益电平的通道(填充).
 ... replaygain        A->A       ReplayGain scanner.
                                  显示增益和峰值的扫描滤镜.
 ... sidechaincompress AA->A      Sidechain compressor.
                                  侧链压缩器,需要两个输入流,返回一个输出流.
 ... sidechaingate     AA->A      Audio sidechain gate.
                                  音频侧链的增益.
 ... silencedetect     A->A       Detect silence.
                                  检测音频流中的无声部分.
 ... silenceremove     A->A       Remove silence.
                                  删除无声部分,从开始到结束.
 ... stereotools       A->A       Apply various stereo tools.
                                  应用到不同立体感的功能.
 ... stereowiden       A->A       Apply stereo widening effect.
                                  应用到扩展立体效果.
 ... treble            A->A       Boost or cut upper frequencies.
                                  增加或减少上频率.
 ... tremolo           A->A       Apply tremolo effect.
                                  应用到震音效果,有一点回音效果.
 ... vibrato           A->A       Apply vibrato effect.
                                  应用到颤音效果.
 T.C volume            A->A       Change input volume.
                                  改变输入音频的音量.
 ... volumedetect      A->A       Detect audio volume.
                                  检测输入音频的音量.
 ... aevalsrc          |->A       Generate an audio signal generated by an expression.
                                  根据指定的表达式生成一个音频信号.
 ... anoisesrc         |->A       Generate a noise audio signal.
                                  生成一个噪声音频信号.
 ... anullsrc          |->A       Null audio source, return empty audio frames.
                                  生成无声音频源,返回未处理的空音频帧.
 ... sine              |->A       Generate sine wave audio signal.
                                  生成一个正弦波音频信号.
 ... anullsink         A->|       Do absolutely nothing with the input audio.
                                  无声音频接收器,与输入音频无关.
 ... adrawgraph        A->V       Draw a graph using input audio metadata.
                                  利用音频的元数据画曲线图.
 ... ahistogram        A->V       Convert input audio to histogram video output.
                                  输入音频转换为视频输出,显示音量直方图.
 ... aphasemeter       A->V       Convert input audio to phase meter video output.
                                  输入音频转换为相位表视频输出.
 ... avectorscope      A->V       Convert input audio to vectorscope video output.
                                  输入音频转换为矢量色度显示视频输出.
 ... showcqt           A->V       Convert input audio to a CQT (Constant/Clamped Q Transform) spectrum video output.
                                  输入音频转换为 固定/固支 Q 变换(CQT) 频谱视频输出.
 ... showfreqs         A->V       Convert input audio to a frequencies video output.
                                  输入音频转换为音频功率谱视频输出.
 ... showspectrum      A->V       Convert input audio to a spectrum video output.
                                  输入音频转换为音频频谱视频输出.
 ... showspectrumpic   A->V       Convert input audio to a spectrum video output single picture.
                                  输入音频转换为单张音谱图片.
 ... showvolume        A->V       Convert input audio volume to video output.
                                  输入音频音量转换为视频输出.
 ... showwaves         A->V       Convert input audio to a video output.
                                  输入音频转换为波形视频输出.
 ... showwavespic      A->V       Convert input audio to a video output single picture.
                                  输入音频转换为单张波形图片.
 ... spectrumsynth     VV->A      Convert input spectrum videos to audio output.
                                  输入视频谱转换为音频输出.
 ... abuffer           |->A       Buffer audio frames, and make them accessible to the filterchain.
                                  缓冲音频帧,并用于滤镜链.
 ... abuffersink       A->|       Buffer audio frames, and make them available to the end of the filter graph.
                                  缓冲音频帧,并用于滤镜图的结束.
 ... afifo             A->A       Buffer input frames and send them when they are requested.
                                  缓冲输入帧,若需求时.
 ... amovie            |->N       Read audio from a movie source.
                                  从视频源读入音频.

Video Filters
视频滤镜

 ... alphaextract      V->N       Extract an alpha channel as a grayscale image component.
                                  从灰度级测视图中提取阿尔法α通道分量.
 ... alphamerge        VV->V      Copy the luma value of the second input into the alpha channel of the first input.
                                  使用第一个输入视频的阿尔法α通道分量,添加或替换的第二个输入视频亮度值.
 TS. atadenoise        V->V       Apply an Adaptive Temporal Averaging Denoiser.
                                  自适应时间平均降噪功能应用在输入的视频.
 ... ass               V->V       Render ASS subtitles onto input video using the libass library.
                                  使用libass程序库给输入视频渲染ASS字幕.
 T.. bbox              V->V       Compute bounding box for each frame.
                                  视频的每一个帧上计算边界框.
 ... blackdetect       V->V       Detect video intervals that are (almost) black.
                                  检测视频中完全(几乎)黑色的时间间隔.
 ... blackframe        V->V       Detect frames that are (almost) black.
                                  检测完全(几乎)黑色的帧.
 TS. blend             VV->V      Blend two video frames into each other.
                                  两个视频帧混合到另一个帧上.
 T.. boxblur           V->V       Blur the input.
                                  模糊处理输入视频.
 TS. chromakey         V->V       Turns a certain color into transparency. Operates on YUV colors.
                                  在YUV颜色空间中针对一些颜色做透明处理,应用与抠图功能,比 colorkey 滤镜边界更柔和.
 T.. codecview         V->V       Visualize information about some codecs.
                                  导出一些解码器的可视化信息.
 T.. colorbalance      V->V       Adjust the color balance.
                                  修改输入帧的三原色(红、绿、蓝)信号亮度.
 T.. colorchannelmixer V->V       Adjust colors by mixing color channels.
                                  调整输入视频帧的混合颜色通道.
 TS. colorkey          V->V       Turns a certain color into transparency. Operates on RGB colors.
                                  在RGB颜色空间中针对一些颜色做透明处理,边界较为生硬.
 T.. colorlevels       V->V       Adjust the color levels.
                                  调整输入视频帧的颜色信号电平.
 TS. colormatrix       V->V       Convert color matrix.
                                  转换颜色矩阵.
 T.. convolution       V->V       Apply convolution filter.
                                  使用卷积3x3或5x5滤镜,适用于锐化,模糊,边缘增强,边缘检测和浮雕等处理.
 ... copy              V->V       Copy the input video unchanged to the output.
                                  复制输入视频,原封不动输出,主要是用于测试目的.
 ... cover_rect        V->V       Find and cover a user specified object.
                                  查找并覆盖用户指定的矩形对象.
 ..C crop              V->V       Crop the input video to given dimensions.
                                  剪切输入视频显示区域,并给于新的尺寸.
 T.. cropdetect        V->V       Auto-detect crop size.
                                  自动检测剪切大小.
 TS. curves            V->V       Adjust components curves.
                                  利用曲线功能调整颜色分量,也可以利用图象处理软件的曲线文件来处理颜色.
 TS. dctdnoiz          V->V       Denoise frames using 2D DCT.
                                  使用二维频域过滤(2D DCT)对帧进行降噪处理.
 TS. deband            V->V       Debands video, Remove banding artifacts from input video.
                                  从输入视频中移除带状伪像.
 ... decimate          N->V       Decimate frames (post field matching filter).
                                  定期删除重复的帧(后场匹配滤镜).
 T.. deflate           V->V       Apply deflate effect.
                                  适用于紧缩效果.
 ... dejudder          V->V       Remove judder produced by pullup.
                                  删除动作产生的部分颤抖.
 T.. delogo            V->V       Remove logo from input video.
                                  对指定区域做模糊处理,比如能移除输入视频中的标识.
 ... deshake           V->V       Stabilize shaky video.
                                  试图修改水平或垂直的移位,降低颤抖让视频更稳定,这个滤镜有助于减小手持相机抖动影响.
 ... detelecine        V->V       Apply an inverse telecine pattern.
                                  适用于电视电影的精确反向操作,颜色边界有锯齿效果.
 T.. dilation          V->V       Apply dilation effect.
                                  膨胀效果应用于视频.
 T.. displace          VVV->V     Displace pixels.
                                  移走像素,需要三个视频输入流和一个视频输出流,第一个输入源,第二和第三个输入位移的映射.
 T.. drawbox           V->V       Draw a colored box on the input video.
                                  输入视频图像上绘制彩色的矩形区域.
 ... drawgraph         V->V       Draw a graph using input video metadata.
                                  利用输入视频的元数据绘制图表.
 T.. drawgrid          V->V       Draw a colored grid on the input video.
                                  在输入视频上绘制彩色网格.
 T.C drawtext          V->V       Draw text on top of video frames using libfreetype library.
                                  使用 libfreetype 程序库,在顶层帧上绘制文本字符串,文本内容可从指定文件中读取.
 T.. edgedetect        V->V       Detect and draw edge.
                                  检测并绘制边缘.
 ... elbg              V->V       Apply posterize effect, using the ELBG algorithm.
                                  使用增强型LBG(ELBG)算法,用于多色调分色印效果.
 ..C eq                V->V       Adjust brightness, contrast, gamma, and saturation.
                                  调整亮度、对比度、灰度和饱和度.
 T.. erosion           V->V       Apply erosion effect.
                                  侵蚀效果应用于视频,类似油画处理.
 ... extractplanes     V->N       Extract planes as grayscale frames.
                                  从输入视频流中提取颜色通道分量用在单独灰度视频流的帧上.
 .S. fade              V->V       Fade in/out input video.
                                  适用于输入视频的淡入/淡出效果.
 ... fftfilt           V->V       Apply arbitrary expressions to pixels in frequency domain.
                                  频域内将任意表达式用于采样的像素集.
 ... field             V->V       Extract a field from the input video.
                                  使用步进算法,从输入视频里的隔行图像中提取单场.
 ... fieldmatch        N->V       Field matching for inverse telecine.
                                  场匹配滤镜适用于电视电影的反向操作.
 T.. fieldorder        V->V       Set the field order.
                                  改变输入视频的场顺序.
 ... find_rect         V->V       Find a user specified object.
                                  寻找用户指定的矩形区域.
 ... format            V->V       Convert the input video to one of the specified pixel formats.
                                  输入视频转换为指定的像素格式.
 ... fps               V->V       Force constant framerate.
                                  强制设定固定帧频.
 ... framepack         VV->V      Generate a frame packed stereoscopic video.
                                  生成帧叠加的立体视频.
 ... framerate         V->V       Upsamples or downsamples progressive source between specified frame rates.
                                  上采样或下采样顺序渐进的视频源之间设定指定帧频.
 T.. framestep         V->V       Select one frame every N frames.
                                  每 N 个帧中选一个帧,设置帧步.
 ... frei0r            V->V       Apply a frei0r effect.
                                  使用 frei0r 滤镜.
 T.. fspp              V->V       Apply Fast Simple Post-processing filter.
                                  用于快速和简单的后处理滤镜.
 T.. geq               V->V       Apply generic equation to each pixel.
                                  利用一般表达式改变每个像素点的特征.
 T.. gradfun           V->V       Debands video quickly using gradients.
                                  利用梯度快速移除带状伪像.
 TS. haldclut          VV->V      Adjust colors using a Hald CLUT.
                                  利用哈尔德查色表调整颜色.
 .S. hflip             V->V       Horizontally flip the input video.
                                  水平翻转显示输入视频.
 T.. histeq            V->V       Apply global color histogram equalization.
                                  适用于全局颜色直方图均衡化.
 ... histogram         V->V       Compute and draw a histogram.
                                  计算并绘制颜色分布直方图.
 T.. hqdn3d            V->V       Apply a High Quality 3D Denoiser.
                                  使用高质量三维降噪滤镜.
 .S. hqx               V->V       Scale the input by 2, 3 or 4 using the hq*x magnification algorithm.
                                  利用高质量放大算法缩放视频显示大小,可输入2,3或4.
 ... hstack            N->V       Stack video inputs horizontally.
                                  把若干个输入视频合并到一个水平显示的输出视频.
 T.C hue               V->V       Adjust the hue and saturation of the input video.
                                  调整输入视频的色相和饱和度.
 ... idet              V->V       Interlace detect Filter.
                                  检测视频的交叉类型滤镜.
 T.. il                V->V       Deinterleave or interleave fields.
                                  允许处理不交叉的隔行图像场.
 T.. inflate           V->V       Apply inflate effect.
                                  膨胀效果用于视频.
 ... interlace         V->V       Convert progressive video into interlaced.
                                  转化为分段视频用于隔行处理,颜色边界有锯齿效果.
 ... interleave        N->V       Temporally interleave video inputs.
                                  能执行时间场交叉的各种类型.
 ... kerndeint         V->V       Apply kernel deinterlacing to the input.
                                  对输入的视频进行内核反交叉处理.
 .S. lenscorrection    V->V       Rectify the image by correcting for lens distortion.
                                  矫正图像用于校正透镜畸变.
 TS. lut3d             V->V       Adjust colors using a 3D LUT.
                                  利用三维查色表调整颜色.
 T.. lut               V->V       Compute and apply a lookup table to the RGB/YUV input video.
                                  利用查表计算处理 RGB/YUV 格式输入的视频.
 T.. lutrgb            V->V       Compute and apply a lookup table to the RGB input video.
                                  利用查表计算处理 RGB 格式输入的视频.
 T.. lutyuv            V->V       Compute and apply a lookup table to the YUV input video.
                                  利用查表计算处理 YUV 格式输入的视频.
 T.. maskedmerge       VVV->V     Merge first stream with second stream using third stream as mask.
                                  合并前二个输入视频,掩模到第三个输入视频,透明合并三个视频.
 ... mcdeint           V->V       Apply motion compensating deinterlacing.
                                  适用于运动补偿反交叉.
 ... mergeplanes       N->V       Merge planes.
                                  合并多个视频流的颜色通道分量.
 T.. metadata          V->V       Manipulate video frame metadata.
                                  操作视频帧的元数据,用于调试.
 ... mpdecimate        V->V       Remove near-duplicate frames.
                                  移除近似重复的帧.
 T.. negate            V->V       Negate input video.
                                  取消输入视频的阿尔法通道分量,滤镜效果类似底片.
 T.. nnedi             V->V       Apply neural network edge directed interpolation intra-only deinterlacer.
                                  使用神经网络边缘插值法进行反隔行处理,需要加权重的二进制文件.
 ... noformat          V->V       Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
                                  取消指定的像素格式,用于下一个滤镜.
 TS. noise             V->V       Add noise.
                                  视频输入帧上添加噪声.
 ... null              V->V       Pass the source unchanged to the output.
                                  不改变视频源进行输出.
 T.C overlay           VV->V      Overlay a video source on top of the input.
                                  把一个视频覆盖到另一个视频上面,需要两个输入和一个输出.
 T.. owdenoise         V->V       Denoise using wavelets.
                                  利用小波降噪法进行降噪处理.
 ... pad               V->V       Pad the input video.
                                  给输入视频添加填充新的显示区域.
 ... palettegen        V->V       Find the optimal palette for a given stream.
                                  生成最佳调色板,用于给定的视频流.
 ... paletteuse        VV->V      Use a palette to downsample an input video stream.
                                  下采样输入视频流中使用调色板,适用于生成 GIF 动态图.
 ... perms             V->V       Set permissions for the output video frame.
                                  给输出视频帧设置读/写权限.
 TS. perspective       V->V       Correct the perspective of video.
                                  校正视频的透视.
 T.. phase             V->V       Phase shift fields.
                                  对隔行视频延迟单场时间,便于场序的变化.
 ... pixdesctest       V->V       Test pixel format definitions.
                                  像素格式描述符测试滤镜,主要用于内部测试.
 T.C pp                V->V       Filter video using libpostproc.
                                  使用 libpostproc 后处理程序库进行过滤.
 T.. pp7               V->V       Apply Postprocessing 7 filter.
                                  使用后处理滤镜7.
 ... psnr              VV->V      Calculate the PSNR between two video streams.
                                  计算两个视频流之间的峰值信噪比(PSNR).
 ... pullup            V->V       Pullup from field sequence to frames.
                                  折叠场序用于输出帧,退回到电视电影效果.
 T.. qp                V->V       Change video quantization parameters.
                                  改变视频量化参数(QP).
 ... random            V->V       Return random frames.
                                  从内部缓存刷新出视频帧的随机帧.
 ... realtime          V->V       Slow down filtering to match realtime.
                                  减慢过滤速度,接近实时效果.
 TS. removegrain       V->V       Remove grain.
                                  移除纹理,对步进视频进行降噪处理.
 T.. removelogo        V->V       Remove a TV logo based on a mask image.
                                  利用掩模图像移除电视徽标,掩模图像的大小必须与视频相同,黑色是透明.
 ... repeatfields      V->V       Hard repeat fields based on MPEG repeat field flag.
                                  根据运动图象专家组(MPEG)重复场标志,硬执行重复场.
 ... reverse           V->V       Reverse a clip.
                                  倒放一段视频片段,需要把整个片段装入内存缓冲区.
 TSC rotate            V->V       Rotate the input image.
                                  任意角度旋转视频,用弧度表示的单位.
 T.. sab               V->V       Apply shape adaptive blur.
                                  形状自适应模糊滤镜.
 ..C scale             V->V       Scale the input video size and/or convert the image format.
                                  缩放输入视频的尺寸并/或改变图像格式,使用libswscale库.
 ..C scale2ref         VV->VV     Scale the input video size and/or convert the image format to the given reference.
                                  缩放输入视频的尺寸并/或改变图像格式用于引用视频,使用libswscale库.
 ... select            V->N       Select video frames to pass in output.
                                  选择视频帧用于下一个滤镜.
 TS. selectivecolor    V->V       Apply CMYK adjustments to specific color ranges.
                                  利用青色,品红色,黄色和黑色(CMYK)调整特定范围的颜色.
 ... sendcmd           V->V       Send commands to filters.
                                  给滤镜发送命令,必须插入到两个视频之间,只对具有该功能的滤镜命令有效.
 ... separatefields    V->V       Split input video frames into fields.
                                  分解输入视频帧进场,产生一个新的一半高度剪辑帧.
 ... setdar            V->V       Set the frame display aspect ratio.
                                  设置视频的显示纵横比.
 ... setfield          V->V       Force field for the output video frame.
                                  改变输出视频帧的属性,不改变视频帧的数据.
 ... setpts            V->V       Set PTS for the output video frame.
                                  设置输出视频帧的显示时间戳(PTS),可以用于快放或慢放等.
 ... setsar            V->V       Set the pixel sample aspect ratio.
                                  设置像素采样纵横比.
 ... settb             V->V       Set timebase for the video output link.
                                  设置时间轴用于视频输出帧的时间戳,主要用于测试时间轴配置.
 ... showinfo          V->V       Show textual information for each video frame.
                                  显示每个视频帧的文本信息.
 T.. showpalette       V->V       Display frame palette.
                                  显示每一帧的 256 色调色板.
 T.. shuffleframes     V->V       Shuffle video frames.
                                  打乱视频帧,重新排序和/或重复视频帧.
 ... shuffleplanes     V->V       Shuffle video planes.
                                  打乱视频映射平面,重新排序和/或重复视频映射平面.
 .S. signalstats       V->V       Generate statistics from video analysis.
                                  分析视频过程中生成统计信息.
 T.. smartblur         V->V       Blur the input video without impacting the outlines.
                                  模糊处理输入视频而不影响轮廓.
 ... split             V->N       Pass on the input to N video outputs.
                                  输入的视频分配给N个相同的视频输出.
 T.C spp               V->V       Apply a simple post processing filter.
                                  简单的后处理滤镜,设置压缩品质对视频进行压缩.
 ... ssim              VV->V      Calculate the SSIM between two video streams.
                                  计算两个输入视频之间的结构相似度(SSIM).
 .S. stereo3d          V->V       Convert video stereoscopic 3D view.
                                  视频转换成具有不同立体图像格式的三维视觉视频.
 ..C streamselect      N->N       Select video streams
                                  多个输入视频流中选择一个视频流,若干个具有相同时间长度的媒体有效.
 ... subtitles         V->V       Render text subtitles onto input video using the libass library.
                                  使用 libass 程序库输入视频上绘制字幕.
 ... super2xsai        V->V       Scale the input by 2x using the Super2xSaI pixel art algorithm.
                                  利用像素艺术扩展算法把输入视频平滑放大两倍.
 T.. swaprect          V->V       Swap 2 rectangular objects in video.
                                  视频流中交换两个矩形对象.
 ... swapuv            V->V       Swap U and V components.
                                  交换 U 和 V 映射平面分量.
 .S. tblend            V->V       Blend successive frames.
                                  两个视频帧混合到另一个帧上.
 ... telecine          V->V       Apply a telecine pattern.
                                  使用电视电影模式,颜色边界有锯齿效果.
 ... thumbnail         V->V       Select the most representative frame in a given sequence of consecutive frames.
                                  在给定的连续帧序列中选择具有代表性帧.
 ... tile              V->V       Tile several successive frames together.
                                  瓦状布局若干个连续的帧,类似视频缩略图.
 ... tinterlace        V->V       Perform temporal field interlacing.
                                  使用不同的隔行模式处理每一个帧.
 .S. transpose         V->V       Transpose input video.
                                  翻转输入视频,默认垂直翻转.
 ... trim              V->V       Pick one continuous section from the input, drop the rest.
                                  从输入视频中挑选连续的组成部分,一直到结束.
 T.. unsharp           V->V       Sharpen or blur the input video.
                                  锐化或模糊处理输入视频.
 T.. uspp              V->V       Apply Ultra Simple / Slow Post-processing filter.
                                  超慢/简单的后处理滤镜,设置压缩品质对视频进行压缩.
 ... vectorscope       V->V       Video vectorscope.
                                  显示输入视频的两个颜色分量值的二维图(矢量显示).
 ... vflip             V->V       Flip the input video vertically.
                                  垂直翻转显示输入视频.
 ... vidstabdetect     V->V       Extract relative transformations,for stabilization.
                                  提取视频的相对地变化,绘制矩形图矩阵内的箭头方向来显示变化趋势.
 ... vidstabtransform  V->V       Video stabilization/deshaking.
                                  平滑/反锐化处理视频.
 T.. vignette          V->V       Make or reverse a vignette effect.
                                  生成或扭转镜头自然渐晕效果.
 ... vstack            N->V       Stack video inputs vertically.
                                  把若干个输入视频垂直放置,所有视频的像素格式和宽度必须相同.
 TS. w3fdif            V->V       Apply Martin Weston three field deinterlace.
                                  使用马丁韦斯顿三场反隔行滤镜。
 ... waveform          V->V       Video waveform monitor.
                                  视频波形监视器.
 .S. xbr               V->V       Scale the input using xBR algorithm.
                                  应用xBR算法放大输入视频,默认是放大三倍.
 TS. yadif             V->V       Deinterlace the input image.
                                  对输入图像进行反隔行处理.
 T.. zoompan           V->V       Apply Zoom & Pan effect.
                                  用于缩放和填充效果.
 ..C zscale            V->V       Apply resizing, colorspace and bit depth conversion.
                                  用于重新调整大小,改变色隙和色彩深度.
 ... allrgb            |->V       Generate all RGB colors.
                                  生成大小为 4096x4096 的包含所有 RGB 颜色表,需要大量内存.
 ... allyuv            |->V       Generate all yuv colors.
                                  生成大小为 4096x4096 的包含所有 yuv 颜色表,需要大量内存.
 ... cellauto          |->V       Create pattern generated by an elementary cellular automaton.
                                  利用初级多孔自动生成器创建一个图案,指定模式生成无数小三角形矩阵.
 ..C color             |->V       Provide an uniformly colored input.
                                  提供了一个单色输入视频源.
 ... frei0r_src        |->V       Generate a frei0r source.
                                  提供frei0r接口,frei0r是ffmpeg的子滤镜.
 ... haldclutsrc       |->V       Provide an identity Hald CLUT.
                                  给哈尔德查色表源提供单位特征.
 ... life              |->V       Create life.
                                  生成随机花纹的图案.
 ... mandelbrot        |->V       Render a Mandelbrot fractal.
                                  生成一个曼德尔勃特集合分形,逐渐放大到指定点.
 ... mptestsrc         |->V       Generate various test pattern.
                                  生成各种测试图案,静/动态小方块矩阵和圆形图案.
 ... nullsrc           |->V       Null video source, return unprocessed video frames.
                                  生成空视频源,返回未处理的空视频帧.
 ... rgbtestsrc        |->V       Generate RGB test pattern.
                                  生成 RGB 测试图案,横向红绿蓝三条图案.
 ... smptebars         |->V       Generate SMPTE color bars.
                                  生成 SMPTE 颜色条图案,像电视测试信号视频.
 ... smptehdbars       |->V       Generate SMPTE HD color bars.
                                  生成 SMPTE HD 颜色条图案.
 ... testsrc           |->V       Generate test pattern.
                                  生成测试图案.
 ... testsrc2          |->V       Generate another test pattern.
                                  生成另一个测试图案.
 ... nullsink          V->|       Do absolutely nothing with the input video.
                                  生成空视频模板,与输入视频无关.
 ... concat            N->N       Concatenate audio and video streams.
                                  连接音频和视频流.
 ... movie             |->N       Read from a movie source.
                                  从视频源读入视频.
 ... buffer            |->V       Buffer video frames, and make them accessible to the filterchain.
                                  缓冲视频帧,并用于滤镜链.
 ... buffersink        V->|       Buffer video frames, and make them available to the end of the filter graph.
                                  缓冲视频帧,并用于滤镜图的结束.
 ... fifo              V->V       Buffer input images and send them when they are requested.
                                  缓冲输入帧,若需要时.

补充的中英文对照

Video Filters
视频滤镜
 
 ... addroi            V->V       Mark a region of interest in a video frame.
                                  在视频帧中标记感兴趣的一段
 ... alphaextract      V->N       Extract an alpha channel as a grayscale image component.
                                  从灰度级测视图中提取阿尔法α通道分量.
 ... alphamerge        VV->V      Copy the luma value of the second input into the alpha channel of the first input.
                                  使用第一个输入视频的阿尔法α通道分量,添加或替换的第二个输入视频亮度值.
... amplify                       Amplify differences between current pixel and pixels of adjacent frames in same pixel location.
                                  放大当前像素与同一像素位置相邻帧像素之间的差异
 TS. atadenoise        V->V       Apply an Adaptive Temporal Averaging Denoiser.
                                  自适应时间平均降噪功能应用在输入的视频.
 ... ass               V->V       Render ASS subtitles onto input video using the libass library.
                                  使用libass程序库给输入视频渲染ASS字幕.
 ... avgblur           V->V       Apply average blur filter.
                                  均匀模糊滤镜
 T.. bbox              V->V       Compute bounding box for each frame.
                                  视频的每一个帧上计算边界框.
 ... bilateral         V->V       Apply bilateral filter, spatial smoothing while preserving edges.
                                  双边滤波，空间平滑同时保留边缘
 ... bitplanenoise     V->V       Show and measure bit plane noise.
                                  显示和测量位平面噪声。
 ... blackdetect       V->V       Detect video intervals that are (almost) black.
                                  检测视频中完全(几乎)黑色的时间间隔.
 ... blackframe        V->V       Detect frames that are (almost) black.
                                  检测完全(几乎)黑色的帧.
 TS. blend             VV->V      Blend two video frames into each other.
                                  两个视频帧混合到另一个帧上.
 ... bm3d                         Denoise frames using Block-Matching 3D algorithm.
                                  使用块匹配3D算法去噪帧
 T.. boxblur           V->V       Blur the input.
                                  模糊处理输入视频.
 ... bwdif                        Deinterlace the input video ("bwdif" stands for "Bob Weaver Deinterlacing Filter").                         对输入视频进行去隔行处理
 ... cas                          Apply Contrast Adaptive Sharpen filter to video stream.
                                  对视频流添加对比度自适应锐化滤波器。
 ... chromahold                   Remove all color information for all colors except for certain one.
                                  除去除某一颜色外的所有颜色信息。
 
 TS. chromakey         V->V       Turns a certain color into transparency. Operates on YUV colors.
                                  在YUV颜色空间中针对一些颜色做透明处理,应用与抠图功能,比 colorkey 滤镜边界更柔和.
 ... chromashift       V->V       Shift chroma pixels horizontally and/or vertically.
                                  水平和/或垂直移动色度像素。
 ... ciescope          V->V       Display CIE color diagram with pixels overlaid onto it.
                                  显示CIE彩色图表
 T.. codecview         V->V       Visualize information about some codecs.
                                  导出一些解码器的可视化信息.
 T.. colorbalance      V->V       Adjust the color balance.
                                  修改输入帧的三原色(红、绿、蓝)信号亮度.
 T.. colorchannelmixer V->V       Adjust colors by mixing color channels.
                                  调整输入视频帧的混合颜色通道.
 TS. colorkey          V->V       Turns a certain color into transparency. Operates on RGB colors.
                                  在RGB颜色空间中针对一些颜色做透明处理,边界较为生硬.
 ... colorhold         V->V       Remove all color information for all RGB colors except for certain one.
                                  删除除特定颜色外的所有RGB颜色的所有颜色信息。
 T.. colorlevels       V->V       Adjust the color levels.
                                  调整输入视频帧的颜色信号电平.
 TS. colormatrix       V->V       Convert color matrix.
                                  转换颜色矩阵.
 ... colorspace        V->V       Convert colorspace, transfer characteristics or color primaries. Input video needs to have an even size.       转换色彩空间，转移特征或原色。输入视频需要有一个均匀的大小。=
 T.. convolution       V->V       Apply convolution filter.
                                  使用卷积3x3或5x5滤镜,适用于锐化,模糊,边缘增强,边缘检测和浮雕等处理.
 ... convolve          V->V       Apply 2D convolution of video stream in frequency domain using second stream as impulse.                          以第二流做为脉冲，在频域内对视频流进行二维卷积。
 ... copy              V->V       Copy the input video unchanged to the output.
                                  复制输入视频,原封不动输出,主要是用于测试目的.
 ... coreimage         V->V       Video filtering on GPU using Apple’s CoreImage API on OSX.
                                  使用苹果的CoreImage API在OSX上通过GPU进行视频过滤。
 ... cover_rect        V->V       Find and cover a user specified object.
                                  查找并覆盖用户指定的矩形对象.
 ..C crop              V->V       Crop the input video to given dimensions.
                                  剪切输入视频显示区域,并给于新的尺寸.
 T.. cropdetect        V->V       Auto-detect crop size.
                                  自动检测剪切大小.
 ... cue               V->V       Delay video filtering until a given wallclock timestamp.
                                  将视频滤波延迟到指定的时间戳。
 TS. curves            V->V       Adjust components curves.
                                  利用曲线功能调整颜色分量,也可以利用图象处理软件的曲线文件来处理颜色.
 ... datascope         V->V       This filter shows hexadecimal pixel values of part of video.
                                  该滤波器显示部分视频的十六进制像素值。
 TS. dctdnoiz          V->V       Denoise frames using 2D DCT.
                                  使用二维频域过滤(2D DCT)对帧进行降噪处理.
 TS. deband            V->V       Debands video, Remove banding artifacts from input video.
                                  从输入视频中移除带状伪像.
 ... deblock           V->V       Remove blocking artifacts from input video.
                                  从输入视频中移除阻塞工件。
 ... decimate          N->V       Decimate frames (post field matching filter).
                                  定期删除重复的帧(后场匹配滤镜).
 ... deconvolve        V->V       Apply 2D deconvolution of video stream in frequency domain using second stream as impulse.                          以第二流为脉冲，在频域内对视频流进行二维反褶积。
 ... dedot             V->V       Reduce cross-luminance (dot-crawl) and cross-color (rainbows) from video.
                                  减少交叉亮度(点爬行)和交叉颜色(彩虹)从视频。
 T.. deflate           V->V       Apply deflate effect.
                                  适用于紧缩效果.
 ... deflicker         V->V       Remove temporal frame luminance variations.
                                  删除时间帧亮度变化。
 ... dejudder          V->V       Remove judder produced by pullup.
                                  删除动作产生的部分颤抖.
 T.. delogo            V->V       Remove logo from input video.
                                  对指定区域做模糊处理,比如能移除输入视频中的标识.
 ... derain            V->V       Remove the rain in the input image/video by applying the derain methods based on convolutional neural networks.    采用基于卷积神经网络的去雨方法对输入图像/视频进行去雨处理。
 ... deshake           V->V       Stabilize shaky video.
                                  试图修改水平或垂直的移位,降低颤抖让视频更稳定,这个滤镜有助于减小手持相机抖动影响.
 ... despill           V->V       Remove unwanted contamination of foreground colors, caused by reflected color of greenscreen or bluescreen.        清除前景色中由绿幕或蓝幕的反射色所引起的不必要的污染。
 ... detelecine        V->V       Apply an inverse telecine pattern.
                                  适用于电视电影的精确反向操作,颜色边界有锯齿效果.
 T.. dilation          V->V       Apply dilation effect.
                                  膨胀效果应用于视频.
 T.. displace          VVV->V     Displace pixels.
                                  移走像素,需要三个视频输入流和一个视频输出流,第一个输入源,第二和第三个输入位移的映射.
 ... dnn_processing    V->V       Do image processing with deep neural networks.
                                  使用深度神经网络进行图像处理。它与另一个过滤器一起工作，将帧的像素格式转换成dnn网络所需的格式。
 T.. drawbox           V->V       Draw a colored box on the input video.
                                  输入视频图像上绘制彩色的矩形区域.
 ... drawgraph         V->V       Draw a graph using input video metadata.
                                  利用输入视频的元数据绘制图表.
 T.. drawgrid          V->V       Draw a colored grid on the input video.
                                  在输入视频上绘制彩色网格.
 T.C drawtext          V->V       Draw text on top of video frames using libfreetype library.
                                  使用 libfreetype 程序库,在顶层帧上绘制文本字符串,文本内容可从指定文件中读取.
 T.. edgedetect        V->V       Detect and draw edge.
                                  检测并绘制边缘.
 ... elbg              V->V       Apply posterize effect, using the ELBG algorithm.
                                  使用增强型LBG(ELBG)算法,用于多色调分色印效果.
 ... entropy           V->V       Measure graylevel entropy in histogram of color channels of video frames.
                                  测量视频帧颜色通道直方图中的灰度熵。
 ..C eq                V->V       Adjust brightness, contrast, gamma, and saturation.
                                  调整亮度、对比度、灰度和饱和度.
 T.. erosion           V->V       Apply erosion effect.
                                  侵蚀效果应用于视频,类似油画处理.
 ... extractplanes     V->N       Extract planes as grayscale frames.
                                  从输入视频流中提取颜色通道分量用在单独灰度视频流的帧上.
 .S. fade              V->V       Fade in/out input video.
                                  适用于输入视频的淡入/淡出效果.
 ... fftdnoiz          V->V       Denoise frames using 3D FFT (frequency domain filtering).
                                  使用3D FFT(频域滤波)去噪帧。
 ... fftfilt           V->V       Apply arbitrary expressions to pixels in frequency domain.
                                  频域内将任意表达式用于采样的像素集.
 ... field             V->V       Extract a field from the input video.
                                  使用步进算法,从输入视频里的隔行图像中提取单场.
 ... fieldhint         V->V       Create new frames by copying the top and bottom fields from surrounding frames supplied as numbers by the hint file. 通过拷贝由提示文件作为数字提供的周围帧的顶部和底部字段来创建新的帧。
 ... fieldmatch        N->V       Field matching for inverse telecine.
                                  场匹配滤镜适用于电视电影的反向操作.
 T.. fieldorder        V->V       Set the field order.
                                  改变输入视频的场顺序.
 ... fifo,afifo        V->V       Buffer input images and send them when they are requested.
                                  缓冲输入的图像并在需要时发送它们
 ... fillborders       V->V       Fill borders of the input video, without changing video stream dimensions.
                                  填充输入视频的边框，不改变视频流的大小。
 ... find_rect         V->V       Find a user specified object.
                                  寻找用户指定的矩形区域.
 ... floodfill         V->V       Flood area with values of same pixel components with another values.
 ... format            V->V       Convert the input video to one of the specified pixel formats.
                                  输入视频转换为指定的像素格式.
 ... fps               V->V       Force constant framerate.
                                  强制设定固定帧频.
 ... framepack         VV->V      Generate a frame packed stereoscopic video.
                                  生成帧叠加的立体视频.
 ... framerate         V->V       Upsamples or downsamples progressive source between specified frame rates.
                                  上采样或下采样顺序渐进的视频源之间设定指定帧频.
 T.. framestep         V->V       Select one frame every N frames.
                                  每 N 个帧中选一个帧,设置帧步.
 ... freezedetect      V->V       Detect frozen video
                                  检测不变帧
 ... freezeframes      V->V       Freeze video frames
                                  冻结视频帧
 ... frei0r            V->V       Apply a frei0r effect.
                                  使用 frei0r 滤镜.
 T.. fspp              V->V       Apply Fast Simple Post-processing filter.
                                  用于快速和简单的后处理滤镜.
 ... gblur             V->V       Apply Gaussian blur filter
                                  应用高斯模糊滤镜
 T.. geq               V->V       Apply generic equation to each pixel.
                                  利用一般表达式改变每个像素点的特征.
 T.. gradfun           V->V       Debands video quickly using gradients.
                                  利用梯度快速移除带状伪像.
 ... graphmonitor      V->V       Show various filtergraph stats
                                  监视各种图表的统计信息
 ... greyedge          V->V       A color constancy variation filter which estimates scene illumination via grey edge algorithm and corrects the scene colors accordingly.
                                  利用灰度边缘算法估计场景光照的颜色恒常性变异滤波器，并对场景颜色进行相应的校正。
 TS. haldclut          VV->V      Adjust colors using a Hald CLUT.
                                  利用哈尔德查色表调整颜色.
 .S. hflip             V->V       Horizontally flip the input video.
                                  水平翻转显示输入视频.
 T.. histeq            V->V       Apply global color histogram equalization.
                                  适用于全局颜色直方图均衡化.
 ... histogram         V->V       Compute and draw a histogram.
                                  计算并绘制颜色分布直方图.
 T.. hqdn3d            V->V       Apply a High Quality 3D Denoiser.
                                  使用高质量三维降噪滤镜.
 ... hwmap             V->V       Map hardware frames to system memory or to another 
device.                           将帧映射到系统内存或者另一个设备
 ... hwupload          V->V       Upload system memory frames to hardware surfaces.
                                  将内存中的帧上传至硬件接口
 ... hwupdoad_cuda     V->V       Upload system memory frames to a CUDA device.
                                  将内存中的帧上传至CUDA设备
 .S. hqx               V->V       Scale the input by 2, 3 or 4 using the hq*x magnification algorithm.          利用高质量放大算法缩放视频显示大小,可输入2,3或4.
 ... hstack            N->V       Stack video inputs horizontally.
                                  把若干个输入视频合并到一个水平显示的输出视频.
 T.C hue               V->V       Adjust the hue and saturation of the input video.
                                  调整输入视频的色相和饱和度.
 ... hysteresis        V->V       Grow first stream into second stream by connecting components.                       这个不太理解
 ... idet              V->V       Interlace detect Filter.
                                  检测视频的交叉类型滤镜.
 T.. il                V->V       Deinterleave or interleave fields.
                                  允许处理不交叉的隔行图像场.
 T.. inflate           V->V       Apply inflate effect.
                                  膨胀效果用于视频.
 ... interlace         V->V       Convert progressive video into interlaced.
                                  转化为分段视频用于隔行处理,颜色边界有锯齿效果.
 ... interleave        N->V       Temporally interleave video inputs.
                                  能执行时间场交叉的各种类型.
 ... kerndeint         V->V       Apply kernel deinterlacing to the input.
                                  对输入的视频进行内核反交叉处理.
 ... lagfun            V->V       Slowly update darker pixels.
                                  缓慢更新黑色像素，滤镜使短暂的闪光显得更长
 .S. lenscorrection    V->V       Rectify the image by correcting for lens distortion.
                                  矫正图像用于校正透镜畸变.
 ... lensfun           V->V       Apply lens correction via the lensfun library
                                  通过lensfun库应用镜头校正
 ... libvmaf           V->V       Obtain the VMAF (Video Multi-Method Assessment Fusion) score between two input videos.   得到两个输入视频之间的(VMAF 多方法评估视频相融合)分数。
 ... limiter           V->V       Limits the pixel components values to the specified range [min, max].                 将像素分量的值限制在指定的范围内
 ... loop              V->V       Loop video frames.
                                  循环视频帧
 ... lut1d             V->V       Apply a 1D LUT to an input video.
                                  利用已维查色表调整颜色.
 TS. lut3d             V->V       Adjust colors using a 3D LUT.
                                  利用三维查色表调整颜色.
 ... lumakey           V->V       Turn certain luma values into transparency.
                                  将某些亮度值转化为透明度
 T.. lut               V->V       Compute and apply a lookup table to the RGB/YUV input video.
                                  利用查表计算处理 RGB/YUV 格式输入的视频.
 T.. lutrgb            V->V       Compute and apply a lookup table to the RGB input video.
                                  利用查表计算处理 RGB 格式输入的视频.
 T.. lutyuv            V->V       Compute and apply a lookup table to the YUV input video.                   
                                  利用查表计算处理 YUV 格式输入的视频.
 ... maskedclamp       VV->V      Clamp the first input stream with the second input and third input stream.               用第二输入流和第三输入流固定第一输入流    
 T.. maskedmerge       VVV->V     Merge first stream with second stream using third stream as mask.                   合并前二个输入视频,掩模到第三个输入视频,透明合并三个视频.
 ... maskfun           V->V       Create mask from input video.
                                                                  
 ... mcdeint           V->V       Apply motion compensating deinterlacing.
                                  适用于运动补偿反交叉.
 ... median            V->V       Pick median pixel from certain rectangle defined by radius.                           从某个由半径定义的矩形中选择中值像素
 ... mergeplanes       N->V       Merge planes.
                                  合并多个视频流的颜色通道分量.
 ... mestimate         V->V       Estimate and export motion vectors using block matching algorithms                        使用块匹配算法估计和导出运动矢量
 T.. metadata          V->V       Manipulate video frame metadata.
                                  操作视频帧的元数据,用于调试.
 ... midequalizer                 Apply Midway Image Equalization effect using two video streams.                          用两个视频流应用中间图像均衡效果。
 ... miniterpolate     V->V       Convert the video to specified frame rate using motion interpolation.                    使用运动插值将视频转换为指定的帧率。
 ... mix               VVV->V     Mix several video input streams into one video stream.
                                  将多个视频输入流混合到一个视频流中。
 ... mpdecimate        V->V       Remove near-duplicate frames.
                                  移除近似重复的帧.
 T.. negate            V->V       Negate input video.
                                  取消输入视频的阿尔法通道分量,滤镜效果类似底片.
 ... nlmeans           V->V       Denoise frames using Non-Local Means algorithm.
                                  使用非局部均值算法对帧进行去噪。
 T.. nnedi             V->V       Apply neural network edge directed interpolation intra-only deinterlacer.
                                  使用神经网络边缘插值法进行反隔行处理,需要加权重的二进制文件.
 ... noformat          V->V       Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
                                  取消指定的像素格式,用于下一个滤镜.
 TS. noise             V->V       Add noise.
                                  视频输入帧上添加噪声.
 ... null              V->V       Pass the source unchanged to the output.
                                  不改变视频源进行输出.
 ... ocv               V->V       Apply a video transform using libopencv.
                                  使用libopencv应用视频转换
 ... oscilloscope      V->V       2D Video Oscilloscope.
                                  2D视频示波器。
 T.C overlay           VV->V      Overlay a video source on top of the input.
                                  把一个视频覆盖到另一个视频上面,需要两个输入和一个输出.
 T.. owdenoise         V->V       Denoise using wavelets.
                                  利用小波降噪法进行降噪处理.
 ... pad               V->V       Pad the input video.
                                  给输入视频添加填充新的显示区域.
 ... palettegen        V->V       Find the optimal palette for a given stream.
                                  生成最佳调色板,用于给定的视频流.
 ... paletteuse        VV->V      Use a palette to downsample an input video stream.
                                  下采样输入视频流中使用调色板,适用于生成 GIF 动态图.
 ... perms             V->V       Set permissions for the output video frame.
                                  给输出视频帧设置读/写权限.
 TS. perspective       V->V       Correct the perspective of video.
                                  校正视频的透视.
 T.. phase             V->V       Phase shift fields.
                                  对隔行视频延迟单场时间,便于场序的变化.
 ... photosensitivity  V->V       Reduce various flashes in video, so to help users with epilepsy.                         减少视频中各种闪烁，
 ... pixdesctest       V->V       Test pixel format definitions.
                                  像素格式描述符测试滤镜,主要用于内部测试.
 ... pixscope          V->V       Display sample values of color channels. Mainly useful for checking color and levels.    显示颜色通道的采样值。主要用于检查颜色和水平。
 T.C pp                V->V       Filter video using libpostproc.
                                  使用 libpostproc 后处理程序库进行过滤.
 T.. pp7               V->V       Apply Postprocessing 7 filter.
                                  使用后处理滤镜7.
 ... psnr              VV->V      Calculate the PSNR between two video streams.
                                  计算两个视频流之间的峰值信噪比(PSNR).
 ... pullup            V->V       Pullup from field sequence to frames.
                                  折叠场序用于输出帧,退回到电视电影效果.
 T.. qp                V->V       Change video quantization parameters.
                                  改变视频量化参数(QP).
 ... random            V->V       Return random frames.
                                  从内部缓存刷新出视频帧的随机帧.
 ... realtime          V->V       Slow down filtering to match realtime.
                                  减慢过滤速度,接近实时效果.
 TS. removegrain       V->V       Remove grain.
                                  移除纹理,对步进视频进行降噪处理.
 T.. removelogo        V->V       Remove a TV logo based on a mask image.
                                  利用掩模图像移除电视徽标,掩模图像的大小必须与视频相同,黑色是透明.
 ... repeatfields      V->V       Hard repeat fields based on MPEG repeat field flag.
                                  根据运动图象专家组(MPEG)重复场标志,硬执行重复场.
 ... reverse           V->V       Reverse a clip.
                                  倒放一段视频片段,需要把整个片段装入内存缓冲区.
 ... rgbashift         V->V       Shift R/G/B/A pixels horizontally and/or vertically.
                                  水平或垂直移动R/G/B/A像素。
 TSC rotate            V->V       Rotate the input image.
                                  任意角度旋转视频,用弧度表示的单位.
 T.. sab               V->V       Apply shape adaptive blur.
                                  形状自适应模糊滤镜.
 ..C scale             V->V       Scale the input video size and/or convert the image format.                          
                                  缩放输入视频的尺寸并/或改变图像格式,使用libswscale库. 
 ... scale_npp         V->V       Use the NVIDIA Performance Primitives (libnpp) to perform scaling and/or pixel format conversion on CUDA video frames.
                                  使用NVIDIA Performance Primitives (libnpp)在CUDA视频帧上执行缩放和/或像素格式转换。
 
 ..C scale2ref         VV->VV     Scale the input video size and/or convert the image format to the given reference.
                                  缩放输入视频的尺寸并/或改变图像格式用于引用视频,使用libswscale库.
 ... scroll                       Scroll input video horizontally and/or vertically by constant speed.                    以恒定的速度垂直或者水平滚动输入视频
 ... select            V->N       Select video frames to pass in output.
                                  选择视频帧用于下一个滤镜.
 TS. selectivecolor    V->V       Apply CMYK adjustments to specific color ranges.
                                  利用青色,品红色,黄色和黑色(CMYK)调整特定范围的颜色.
 ... sendcmd           V->V       Send commands to filters.
                                  给滤镜发送命令,必须插入到两个视频之间,只对具有该功能的滤镜命令有效.
 ... separatefields    V->V       Split input video frames into fields.
                                  分解输入视频帧进场,产生一个新的一半高度剪辑帧.
 ... setdar            V->V       Set the frame display aspect ratio.
                                  设置视频的显示纵横比.
 ... setfield          V->V       Force field for the output video frame.
                                  改变输出视频帧的属性,不改变视频帧的数据.
 ... setpts            V->V       Set PTS for the output video frame.
                                  设置输出视频帧的显示时间戳(PTS),可以用于快放或慢放等.
 ... setsar            V->V       Set the pixel sample aspect ratio.
                                  设置像素采样纵横比.
 ... settb             V->V       Set timebase for the video output link.
                                  设置时间轴用于视频输出帧的时间戳,主要用于测试时间轴配置.
 ... showinfo          V->V       Show textual information for each video frame.
                                  显示每个视频帧的文本信息.
 T.. showpalette       V->V       Display frame palette.
                                  显示每一帧的 256 色调色板.
 T.. shuffleframes     V->V       Shuffle video frames.
                                  打乱视频帧,重新排序和/或重复视频帧.
 ... shuffleplanes     V->V       Shuffle video planes.
                                  打乱视频映射平面,重新排序和/或重复视频映射平面.
 .S. signalstats       V->V       Generate statistics from video analysis.
                                  分析视频过程中生成统计信息.
 T.. smartblur         V->V       Blur the input video without impacting the outlines.
                                  模糊处理输入视频而不影响轮廓.
 ... split             V->N       Pass on the input to N video outputs.
                                  输入的视频分配给N个相同的视频输出.
 T.C spp               V->V       Apply a simple post processing filter.
                                  简单的后处理滤镜,设置压缩品质对视频进行压缩.
 ... ssim              VV->V      Calculate the SSIM between two video streams.
                                  计算两个输入视频之间的结构相似度(SSIM).
 .S. stereo3d          V->V       Convert video stereoscopic 3D view.
                                  视频转换成具有不同立体图像格式的三维视觉视频.
 ..C streamselect      N->N       Select video streams
                                  多个输入视频流中选择一个视频流,若干个具有相同时间长度的媒体有效.
 ... subtitles         V->V       Render text subtitles onto input video using the libass library.
                                  使用 libass 程序库输入视频上绘制字幕.
 ... super2xsai        V->V       Scale the input by 2x using the Super2xSaI pixel art algorithm.
                                  利用像素艺术扩展算法把输入视频平滑放大两倍.
 T.. swaprect          V->V       Swap 2 rectangular objects in video.
                                  视频流中交换两个矩形对象.
 ... swapuv            V->V       Swap U and V components.
                                  交换 U 和 V 映射平面分量.
 .S. tblend            V->V       Blend successive frames.
                                  两个视频帧混合到另一个帧上.
 ... telecine          V->V       Apply a telecine pattern.
                                  使用电视电影模式,颜色边界有锯齿效果.
 ... thistogram        V->V       Compute and draw a color distribution histogram for the input video across time.          不仅可以显示当前的，还可以显示过去的，对比histogram
 ... thumbnail         V->V       Select the most representative frame in a given sequence of consecutive frames.
                                  在给定的连续帧序列中选择具有代表性帧.
 ... tile              V->V       Tile several successive frames together.
                                  瓦状布局若干个连续的帧,类似视频缩略图.
 ... tinterlace        V->V       Perform temporal field interlacing.
                                  使用不同的隔行模式处理每一个帧.
 .S. transpose         V->V       Transpose input video.
                                  翻转输入视频,默认垂直翻转.
 ... trim              V->V       Pick one continuous section from the input, drop the rest.
                                  从输入视频中挑选连续的组成部分,一直到结束.
 T.. unsharp           V->V       Sharpen or blur the input video.
                                  锐化或模糊处理输入视频.
 T.. uspp              V->V       Apply Ultra Simple / Slow Post-processing filter.
                                  超慢/简单的后处理滤镜,设置压缩品质对视频进行压缩.
 ... vectorscope       V->V       Video vectorscope.
                                  显示输入视频的两个颜色分量值的二维图(矢量显示).
 ... vflip             V->V       Flip the input video vertically.
                                  垂直翻转显示输入视频.
 ... vidstabdetect     V->V       Extract relative transformations,for stabilization.
                                  提取视频的相对地变化,绘制矩形图矩阵内的箭头方向来显示变化趋势.
 ... vidstabtransform  V->V       Video stabilization/deshaking.
                                  平滑/反锐化处理视频.
 T.. vignette          V->V       Make or reverse a vignette effect.
                                  生成或扭转镜头自然渐晕效果.
 ... vstack            N->V       Stack video inputs vertically.
                                  把若干个输入视频垂直放置,所有视频的像素格式和宽度必须相同.
 TS. w3fdif            V->V       Apply Martin Weston three field deinterlace.
                                  使用马丁韦斯顿三场反隔行滤镜。
 ... waveform          V->V       Video waveform monitor.
                                  视频波形监视器.
 .S. xbr               V->V       Scale the input using xBR algorithm.
                                  应用xBR算法放大输入视频,默认是放大三倍.
 TS. yadif             V->V       Deinterlace the input image.
                                  对输入图像进行反隔行处理.
 T.. zoompan           V->V       Apply Zoom & Pan effect.
                                  用于缩放和填充效果.
 ..C zscale            V->V       Apply resizing, colorspace and bit depth conversion.
                                  用于重新调整大小,改变色隙和色彩深度.
 ... allrgb            |->V       Generate all RGB colors.
                                  生成大小为 4096x4096 的包含所有 RGB 颜色表,需要大量内存.
 ... allyuv            |->V       Generate all yuv colors.
                                  生成大小为 4096x4096 的包含所有 yuv 颜色表,需要大量内存.
 ... cellauto          |->V       Create pattern generated by an elementary cellular automaton.
                                  利用初级多孔自动生成器创建一个图案,指定模式生成无数小三角形矩阵.
 ..C color             |->V       Provide an uniformly colored input.
                                  提供了一个单色输入视频源.
 ... frei0r_src        |->V       Generate a frei0r source.
                                  提供frei0r接口,frei0r是ffmpeg的子滤镜.
 ... haldclutsrc       |->V       Provide an identity Hald CLUT.
                                  给哈尔德查色表源提供单位特征.
 ... life              |->V       Create life.
                                  生成随机花纹的图案.
 ... mandelbrot        |->V       Render a Mandelbrot fractal.
                                  生成一个曼德尔勃特集合分形,逐渐放大到指定点.
 ... mptestsrc         |->V       Generate various test pattern.
                                  生成各种测试图案,静/动态小方块矩阵和圆形图案.
 ... nullsrc           |->V       Null video source, return unprocessed video frames.
                                  生成空视频源,返回未处理的空视频帧.
 ... rgbtestsrc        |->V       Generate RGB test pattern.
                                  生成 RGB 测试图案,横向红绿蓝三条图案.
 ... smptebars         |->V       Generate SMPTE color bars.
                                  生成 SMPTE 颜色条图案,像电视测试信号视频.
 ... smptehdbars       |->V       Generate SMPTE HD color bars.
                                  生成 SMPTE HD 颜色条图案.
 ... testsrc           |->V       Generate test pattern.
                                  生成测试图案.
 ... testsrc2          |->V       Generate another test pattern.
                                  生成另一个测试图案.
 ... nullsink          V->|       Do absolutely nothing with the input video.
                                  生成空视频模板,与输入视频无关.
 ... concat            N->N       Concatenate audio and video streams.
                                  连接音频和视频流.
 ... movie             |->N       Read from a movie source.
                                  从视频源读入视频.
 ... buffer            |->V       Buffer video frames, and make them accessible to the filterchain.
                                  缓冲视频帧,并用于滤镜链.
 ... buffersink        V->|       Buffer video frames, and make them available to the end of the filter graph.
                                  缓冲视频帧,并用于滤镜图的结束.
 ... fifo              V->V       Buffer input images and send them when they are requested.
                                  缓冲输入帧,若需要时.