Filters:
T = Decoding supported
A = Audio input/output
V = Video input/output
N = Dynamic number and/or type of input/output
| = Source or sink filter
. aconvert A->A Convert the input audio to sample_fmt:channel_layout.
. afade A->A Fade in/out input audio.
. aformat A->A Convert the input audio to one of the specified formats.
. ainterleave N->A Temporally interleave audio inputs.
. allpass A->A Apply a two-pole all-pass filter.
. amerge N->A Merge two or more audio streams into a single multi-channel stream.
. amix N->A Audio mixing.
. anull A->A Pass the source unchanged to the output.
T apad A->A Pad audio with silence.
. aperms A->A Set permissions for the output audio frame.
. aphaser A->A Add a phasing effect to the audio.
. aresample A->A Resample audio data.
. 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.
. asplit A->N Pass on the audio input to N audio outputs.
. astats A->A Show time domain statistics about audio frames.
. astreamsync AA->AA Copy two streams of audio data in a configurable order.
. asyncts A->A Sync audio data to timestamps
. atempo A->A Adjust audio tempo.
. atrim A->A Pick one continuous section from the input, drop the rest.
. azmq A->A Receive commands through ZMQ and broker them to filters.
. bandpass A->A Apply a two-pole Butterworth band-pass filter.
. bandreject A->A Apply a two-pole Butterworth band-reject filter.
. bass A->A Boost or cut lower frequencies.
. biquad A->A Apply a biquad IIR filter with the given coefficients.
. channelmap A->A Remap audio channels.
. channelsplit A->N Split audio into per-channel streams.
. earwax A->A Widen the stereo image.
. ebur128 A->N EBU R128 scanner.
. equalizer A->A Apply two-pole peaking equalization (EQ) filter.
. highpass A->A Apply a high-pass filter with 3dB point frequency.
. join N->A Join multiple audio streams into multi-channel output.
. lowpass A->A Apply a low-pass filter with 3dB point frequency.
. pan A->A Remix channels with coefficients (panning).
. resample A->A Audio resampling and conversion.
. silencedetect A->A Detect silence.
. treble A->A Boost or cut upper frequencies.
T volume A->A Change input volume.
. volumedetect A->A Detect audio volume.
. aevalsrc |->A Generate an audio signal generated by an expression.
. anullsrc |->A Null audio source, return empty audio frames.
. flite |->A Synthesize voice from text using libflite.
. sine |->A Generate sine wave audio signal.
. anullsink A->| Do absolutely nothing with the input audio.
. alphaextract V->N Extract an alpha channel as a grayscale image component.
. alphamerge VV->V Copy the luma value of the second input into the alpha channel of the first input.
. ass V->V Render ASS subtitles onto input video using the libass library.
. bbox V->V Compute bounding box for each frame.
. blackdetect V->V Detect video intervals that are (almost) black.
. blackframe V->V Detect frames that are (almost) black.
T blend VV->V Blend two video frames into each other.
T boxblur V->V Blur the input.
T colorbalance V->V Adjust the color balance.
T colorchannelmixer V->V Adjust colors by mixing color channels.
T colormatrix V->V Convert color matrix.
. copy V->V Copy the input video unchanged to the output.
. crop V->V Crop the input video to width:height:x:y.
T cropdetect V->V Auto-detect crop size.
T curves V->V Adjust components curves.
T dctdnoiz V->V Denoise frames using 2D DCT.
. decimate N->V Decimate frames (post field matching filter).
T delogo V->V Remove logo from input video.
. deshake V->V Stabilize shaky video.
T drawbox V->V Draw a colored box on the input video.
T drawgrid V->V Draw a colored grid on the input video.
. drawtext V->V Draw text on top of video frames using libfreetype library.
T edgedetect V->V Detect and draw edge.
. extractplanes V->N Extract planes as grayscale frames.
. fade V->V Fade in/out input video.
. field V->V Extract a field from the input video.
. fieldmatch N->V Field matching for inverse telecine.
. fieldorder V->V Set the field order.
. format V->V Convert the input video to one of the specified pixel formats.
. fps V->V Force constant framerate.
. framestep V->V Select one frame every N frames.
. frei0r V->V Apply a frei0r effect.
. geq V->V Apply generic equation to each pixel.
T gradfun V->V Debands video quickly using gradients.
. 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.
T hqdn3d V->V Apply a High Quality 3D Denoiser.
T hue V->V Adjust the hue and saturation of the input video.
. idet V->V Interlace detect Filter.
. il V->V Deinterleave or interleave fields.
. interlace V->V Convert progressive video into interlaced.
. interleave N->V Temporally interleave video inputs.
. kerndeint V->V Apply kernel deinterlacing to the input.
T lut V->V Compute and apply a lookup table to the RGB/YUV input video.
T lutrgb V->V Compute and apply a lookup table to the RGB input video.
T lutyuv V->V Compute and apply a lookup table to the YUV input video.
. mp V->V Apply a libmpcodecs filter to the input video.
. mpdecimate V->V Remove near-duplicate frames.
T negate V->V Negate input video.
. noformat V->V Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
T noise V->V Add noise.
. null V->V Pass the source unchanged to the output.
. ocv V->V Apply transform using libopencv.
T overlay VV->V Overlay a video source on top of the input.
T owdenoise V->V Denoise using wavelets.
. pad V->V Pad input image to width:height[:x:y[:color]] (default x and y: 0, default color: black).
. perms V->V Set permissions for the output video frame.
. pixdesctest V->V Test pixel format definitions.
T pp V->V Filter video using libpostproc.
T removelogo V->V Remove a TV logo based on a mask image.
. scale V->V Scale the input video to width:height size and/or convert the image format.
. select V->N Select video frames to pass in output.
. 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.
. setpts V->V Set PTS for the output video frame.
. setsar V->V Set the pixel sample aspect ratio.
. settb V->V Set timebase for the video output link.
. showinfo V->V Show textual information for each video frame.
T smartblur V->V Blur the input video without impacting the outlines.
. split V->N Pass on the input to N video outputs.
. stereo3d V->V Convert video stereoscopic 3D view.
. subtitles V->V Render text subtitles onto input video using the libass library.
. super2xsai V->V Scale the input by 2x using the Super2xSaI pixel art algorithm.
. swapuv V->V Swap U and V components.
. telecine V->V Apply a telecine pattern.
. thumbnail V->V Select the most representative frame in a given sequence of consecutive frames.
. tile V->V Tile several successive frames together.
. tinterlace V->V Perform temporal field interlacing.
. transpose V->V Transpose input video.
. trim V->V Pick one continuous section from the input, drop the rest.
T unsharp V->V Sharpen or blur the input video.
. vflip V->V Flip the input video vertically.
. yadif V->V Deinterlace the input image.
. zmq V->V Receive commands through ZMQ and broker them to filters.
. cellauto |->V Create pattern generated by an elementary cellular automaton.
. color |->V Provide an uniformly colored input.
. frei0r_src |->V Generate a frei0r source.
. 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.
. rgbtestsrc |->V Generate RGB test pattern.
. smptebars |->V Generate SMPTE color bars.
. smptehdbars |->V Generate SMPTE HD color bars.
. testsrc |->V Generate test pattern.
. nullsink V->| Do absolutely nothing with the input video.
. avectorscope A->V Display audio vector scope.
. concat N->N Concatenate audio and video streams.
. showspectrum A->V Convert input audio to a spectrum video output.
. showwaves A->V Convert input audio to a video output.
. amovie |->N Read audio from a movie source.
. movie |->N Read from a movie source.
. ffbuffersink V->| Buffer video frames, and make them available to the end of the filter graph.
. ffabuffersink A->| Buffer audio frames, and make them available to the end of the filter graph.
. 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.
. 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.Add a code snippet to your website: www.paste.org