libavfilter Directory Reference

Directories
directory	aarch64
directory	tests
directory	x86

Files
file	aeval.c [code]
	eval audio source
file	af_acontrast.c [code]
file	af_acopy.c [code]
file	af_acrossover.c [code]
	Crossover filter.
file	af_acrusher.c [code]
file	af_adeclick.c [code]
file	af_adelay.c [code]
file	af_aderivative.c [code]
file	af_aecho.c [code]
file	af_aemphasis.c [code]
file	af_afade.c [code]
	fade audio filter
file	af_afftdn.c [code]
file	af_afftfilt.c [code]
file	af_afir.c [code]
	An arbitrary audio FIR filter.
file	af_afir.h [code]
file	af_aformat.c [code]
	format audio filter
file	af_agate.c [code]
	Audio (Sidechain) Gate filter.
file	af_aiir.c [code]
file	af_alimiter.c [code]
	Lookahead limiter filter.
file	af_amerge.c [code]
	Audio merging filter.
file	af_amix.c [code]
	Audio Mix Filter.
file	af_amultiply.c [code]
file	af_anequalizer.c [code]
file	af_anull.c [code]
	null audio filter
file	af_apad.c [code]
	audio pad filter.
file	af_aphaser.c [code]
	phaser audio filter
file	af_apulsator.c [code]
file	af_aresample.c [code]
	resampling audio filter
file	af_asetnsamples.c [code]
	Filter that changes number of samples on single output operation.
file	af_asetrate.c [code]
file	af_ashowinfo.c [code]
	filter for showing textual audio frame information
file	af_astats.c [code]
file	af_atempo.c [code]
	tempo scaling audio filter – an implementation of WSOLA algorithm
file	af_biquads.c [code]
file	af_bs2b.c [code]
	Bauer stereo-to-binaural filter.
file	af_channelmap.c [code]
	audio channel mapping filter
file	af_channelsplit.c [code]
	Channel split filter.
file	af_chorus.c [code]
	chorus audio filter
file	af_compand.c [code]
	audio compand filter
file	af_compensationdelay.c [code]
file	af_crossfeed.c [code]
file	af_crystalizer.c [code]
file	af_dcshift.c [code]
file	af_drmeter.c [code]
file	af_dynaudnorm.c [code]
	Dynamic Audio Normalizer.
file	af_earwax.c [code]
	Stereo Widening Effect.
file	af_extrastereo.c [code]
file	af_firequalizer.c [code]
file	af_flanger.c [code]
file	af_haas.c [code]
file	af_hdcd.c [code]
	HDCD decoding filter.
file	af_headphone.c [code]
file	af_join.c [code]
	Audio join filter.
file	af_ladspa.c [code]
	LADSPA wrapper.
file	af_loudnorm.c [code]
file	af_lv2.c [code]
	LV2 wrapper.
file	af_mcompand.c [code]
	audio multiband compand filter
file	af_pan.c [code]
	Audio panning filter (channels mixing) Original code written by Anders Johansson for MPlayer, reimplemented for FFmpeg.
file	af_replaygain.c [code]
	ReplayGain scanner.
file	af_resample.c [code]
	sample format and channel layout conversion audio filter
file	af_rubberband.c [code]
file	af_sidechaincompress.c [code]
	Audio (Sidechain) Compressor filter.
file	af_silencedetect.c [code]
	Audio silence detector.
file	af_silenceremove.c [code]
file	af_sofalizer.c [code]
file	af_stereotools.c [code]
file	af_stereowiden.c [code]
file	af_superequalizer.c [code]
file	af_surround.c [code]
file	af_tremolo.c [code]
file	af_vibrato.c [code]
file	af_volume.c [code]
	audio volume filter
file	af_volume.h [code]
	audio volume filter
file	af_volumedetect.c [code]
file	all_channel_layouts.inc [code]
file	allfilters.c [code]
file	asink_anullsink.c [code]
file	asrc_anoisesrc.c [code]
file	asrc_anullsrc.c [code]
	null audio source
file	asrc_flite.c [code]
	flite voice synth source
file	asrc_hilbert.c [code]
file	asrc_sinc.c [code]
file	asrc_sine.c [code]
file	audio.c [code]
file	audio.h [code]
file	avf_abitscope.c [code]
file	avf_ahistogram.c [code]
file	avf_aphasemeter.c [code]
	audio to video multimedia aphasemeter filter
file	avf_avectorscope.c [code]
	audio to video multimedia vectorscope filter
file	avf_concat.c [code]
	concat audio-video filter
file	avf_showcqt.c [code]
file	avf_showcqt.h [code]
file	avf_showfreqs.c [code]
file	avf_showspectrum.c [code]
	audio to spectrum (video) transmedia filter, based on ffplay rdft showmode (by Michael Niedermayer) and lavfi/avf_showwaves (by Stefano Sabatini).
file	avf_showvolume.c [code]
file	avf_showwaves.c [code]
	audio to video multimedia filter
file	avfilter.c [code]
file	avfilter.h [code]
	Main libavfilter public API header.
file	avfiltergraph.c [code]
file	bbox.c [code]
file	bbox.h [code]
file	blend.h [code]
file	boxblur.c [code]
file	boxblur.h [code]
file	bufferqueue.h [code]
file	buffersink.c [code]
	buffer sink
file	buffersink.h [code]
	memory buffer sink API for audio and video
file	buffersrc.c [code]
	memory buffer source filter
file	buffersrc.h [code]
	Memory buffer source API.
file	bwdif.h [code]
file	colorspace.c [code]
file	colorspace.h [code]
file	colorspacedsp.c [code]
file	colorspacedsp.h [code]
file	colorspacedsp_template.c [code]
file	colorspacedsp_yuv2yuv_template.c [code]
file	deshake.h [code]
file	dnn_backend_native.c [code]
	DNN native backend implementation.
file	dnn_backend_native.h [code]
	DNN inference functions interface for native backend.
file	dnn_backend_tf.c [code]
	DNN tensorflow backend implementation.
file	dnn_backend_tf.h [code]
	DNN inference functions interface for TensorFlow backend.
file	dnn_interface.c [code]
	Implements DNN module initialization with specified backend.
file	dnn_interface.h [code]
	DNN inference engine interface.
file	drawutils.c [code]
file	drawutils.h [code]
	misc drawing utilities
file	ebur128.c [code]
file	ebur128.h [code]
	libebur128 - a library for loudness measurement according to the EBU R128 standard.
file	f_bench.c [code]
file	f_cue.c [code]
file	f_drawgraph.c [code]
file	f_ebur128.c [code]
	EBU R.128 implementation.
file	f_graphmonitor.c [code]
file	f_interleave.c [code]
	audio and video interleaver
file	f_loop.c [code]
file	f_metadata.c [code]
	filter for manipulating frame metadata
file	f_perms.c [code]
file	f_realtime.c [code]
file	f_reverse.c [code]
file	f_select.c [code]
	filter for selecting which frame passes in the filterchain
file	f_sendcmd.c [code]
	send commands filter
file	f_sidedata.c [code]
	filter for manipulating frame side data
file	f_streamselect.c [code]
file	f_zmq.c [code]
	receive commands through libzeromq and broker them to filters
file	fifo.c [code]
	FIFO buffering filter.
file	filters.h [code]
file	formats.c [code]
file	formats.h [code]
file	framepool.c [code]
file	framepool.h [code]
file	framequeue.c [code]
file	framequeue.h [code]
file	framerate.h [code]
file	framesync.c [code]
file	framesync.h [code]
file	generate_wave_table.c [code]
file	generate_wave_table.h [code]
file	gradfun.h [code]
file	graphdump.c [code]
file	graphparser.c [code]
file	hermite.h [code]
file	hflip.h [code]
file	internal.h [code]
	internal API functions
file	lavfutils.c [code]
file	lavfutils.h [code]
	Miscellaneous utilities which make use of the libavformat library.
file	limiter.h [code]
file	log2_tab.c [code]
file	lswsutils.c [code]
file	lswsutils.h [code]
	Miscellaneous utilities which make use of the libswscale library.
file	maskedmerge.h [code]
file	motion_estimation.c [code]
file	motion_estimation.h [code]
file	opencl.c [code]
file	opencl.h [code]
file	opencl_source.h [code]
file	psnr.h [code]
file	pthread.c [code]
	Libavfilter multithreading support.
file	qsvvpp.c [code]
	Intel Quick Sync Video VPP base function.
file	qsvvpp.h [code]
	Intel Quick Sync Video VPP base function.
file	removegrain.h [code]
file	scale.c [code]
file	scale.h [code]
file	setpts.c [code]
	video presentation timestamp (PTS) modification filter
file	settb.c [code]
	Set timebase for the output link.
file	signature.h [code]
	MPEG-7 video signature calculation and lookup filter.
file	signature_lookup.c [code]
	MPEG-7 video signature calculation and lookup filter.
file	split.c [code]
	audio and video splitter
file	src_movie.c [code]
	movie video source
file	ssim.h [code]
file	stereo3d.h [code]
file	thread.h [code]
file	threshold.h [code]
file	tinterlace.h [code]
	temporal field interlace filter, ported from MPlayer/libmpcodecs
file	transform.c [code]
	transform input video
file	transform.h [code]
	transform input video
file	trim.c [code]
file	unsharp.h [code]
file	vaapi_vpp.c [code]
file	vaapi_vpp.h [code]
file	vaf_spectrumsynth.c [code]
	SpectrumSynth filter.
file	version.h [code]
	Libavfilter version macros.
file	vf_alphamerge.c [code]
	copy an alpha component from another video's luma
file	vf_amplify.c [code]
file	vf_aspect.c [code]
	aspect ratio modification video filters
file	vf_atadenoise.c [code]
	Adaptive Temporal Averaging Denoiser, based on paper "Video Denoising Based on Adaptive Temporal Averaging" by David Bartovčak and Miroslav Vrankić
file	vf_avgblur.c [code]
file	vf_avgblur_opencl.c [code]
file	vf_bbox.c [code]
	bounding box detection filter
file	vf_bitplanenoise.c [code]
file	vf_blackdetect.c [code]
	Video black detector, loosely based on blackframe with extended syntax and features.
file	vf_blackframe.c [code]
	Search for black frames to detect scene transitions.
file	vf_blend.c [code]
file	vf_bm3d.c [code]
file	vf_boxblur.c [code]
	Apply a boxblur filter to the input video.
file	vf_bwdif.c [code]
file	vf_chromakey.c [code]
file	vf_ciescope.c [code]
file	vf_codecview.c [code]
	Codec debug viewer filter.
file	vf_colorbalance.c [code]
file	vf_colorchannelmixer.c [code]
file	vf_colorconstancy.c [code]
	Color Constancy filter.
file	vf_colorkey.c [code]
file	vf_colorlevels.c [code]
file	vf_colormatrix.c [code]
	ColorMatrix 2.0 is based on the original ColorMatrix filter by Wilbert Dijkhof.
file	vf_colorspace.c [code]
file	vf_convolution.c [code]
file	vf_convolution_opencl.c [code]
file	vf_convolve.c [code]
file	vf_copy.c [code]
	copy video filter
file	vf_coreimage.m [code]
	Video processing based on Apple's CoreImage API.
file	vf_cover_rect.c [code]
file	vf_crop.c [code]
	video crop filter
file	vf_cropdetect.c [code]
	border detection filter Ported from MPlayer libmpcodecs/vf_cropdetect.c.
file	vf_curves.c [code]
file	vf_datascope.c [code]
file	vf_dctdnoiz.c [code]
file	vf_deband.c [code]
file	vf_deblock.c [code]
file	vf_decimate.c [code]
file	vf_deflicker.c [code]
file	vf_deinterlace_qsv.c [code]
	deinterlace video filter - QSV
file	vf_deinterlace_vaapi.c [code]
file	vf_dejudder.c [code]
	remove judder in video stream
file	vf_delogo.c [code]
	A very simple tv station logo remover Originally imported from MPlayer libmpcodecs/vf_delogo.c, the algorithm was later improved.
file	vf_deshake.c [code]
	fast deshake / depan video filter
file	vf_despill.c [code]
file	vf_detelecine.c [code]
file	vf_displace.c [code]
file	vf_drawbox.c [code]
	Box and grid drawing filters.
file	vf_drawtext.c [code]
	drawtext filter, based on the original vhook/drawtext.c filter by Gustavo Sverzut Barbieri
file	vf_edgedetect.c [code]
	Edge detection filter.
file	vf_elbg.c [code]
	video quantizer filter based on ELBG
file	vf_entropy.c [code]
file	vf_eq.c [code]
	very simple video equalizer
file	vf_eq.h [code]
file	vf_extractplanes.c [code]
file	vf_fade.c [code]
	video fade filter based heavily on vf_negate.c by Bobby Bingham
file	vf_fftdnoiz.c [code]
file	vf_fftfilt.c [code]
	FFT domain filtering.
file	vf_field.c [code]
	field filter, based on libmpcodecs/vf_field.c by Rich Felker
file	vf_fieldhint.c [code]
file	vf_fieldmatch.c [code]
	Fieldmatching filter, ported from VFM filter (VapourSynth) by Clément.
file	vf_fieldorder.c [code]
	video field order filter, heavily influenced by vf_pad.c
file	vf_fillborders.c [code]
file	vf_find_rect.c [code]
file	vf_floodfill.c [code]
file	vf_format.c [code]
	format and noformat video filters
file	vf_fps.c [code]
	a filter enforcing given constant framerate
file	vf_framepack.c [code]
	Generate a frame packed video, by combining two views in a single surface.
file	vf_framerate.c [code]
	filter for upsampling or downsampling a progressive source
file	vf_framestep.c [code]
file	vf_frei0r.c [code]
	frei0r wrapper
file	vf_fspp.c [code]
	Fast Simple Post-processing filter This implementation is based on an algorithm described in "Aria Nosratinia Embedded Post-Processing for Enhancement of Compressed Images (1999)" (http://www.utdallas.edu/~aria/papers/vlsisp99.pdf) Further, with splitting (I)DCT into horizontal/vertical passes, one of them can be performed once per block, not per pixel.
file	vf_fspp.h [code]
file	vf_gblur.c [code]
file	vf_geq.c [code]
	Generic equation change filter Originally written by Michael Niedermayer for the MPlayer project, and ported by Clément Bœsch for FFmpeg.
file	vf_gradfun.c [code]
	gradfun debanding filter, ported from MPlayer libmpcodecs/vf_gradfun.c
file	vf_hflip.c [code]
	horizontal flip filter
file	vf_histeq.c [code]
	Histogram equalization filter, based on the VirtualDub filter by Donald A.
file	vf_histogram.c [code]
file	vf_hqdn3d.c [code]
	high quality 3d video denoiser, ported from MPlayer libmpcodecs/vf_hqdn3d.c.
file	vf_hqdn3d.h [code]
file	vf_hqx.c [code]
	hqx magnification filters (hq2x, hq3x, hq4x)
file	vf_hue.c [code]
	Apply a hue/saturation filter to the input video Ported from MPlayer libmpcodecs/vf_hue.c.
file	vf_hwdownload.c [code]
file	vf_hwmap.c [code]
file	vf_hwupload.c [code]
file	vf_hwupload_cuda.c [code]
file	vf_hysteresis.c [code]
file	vf_idet.c [code]
file	vf_idet.h [code]
file	vf_il.c [code]
	(de)interleave fields filter
file	vf_kerndeint.c [code]
	Kernel Deinterlacer Ported from MPlayer libmpcodecs/vf_kerndeint.c.
file	vf_lenscorrection.c [code]
	Lenscorrection filter, algorithm from the frei0r plugin with the same name.
file	vf_lensfun.c [code]
	Lensfun filter, applies lens correction with parameters from the lensfun database.
file	vf_libopencv.c [code]
	libopencv wrapper functions
file	vf_libvmaf.c [code]
	Calculate the VMAF between two input videos.
file	vf_limiter.c [code]
file	vf_lumakey.c [code]
file	vf_lut.c [code]
	Compute a look-up table for binding the input value to the output value, and apply it to input video.
file	vf_lut2.c [code]
file	vf_lut3d.c [code]
	3D Lookup table filter
file	vf_maskedclamp.c [code]
file	vf_maskedmerge.c [code]
file	vf_mcdeint.c [code]
	Motion Compensation Deinterlacer Ported from MPlayer libmpcodecs/vf_mcdeint.c.
file	vf_mergeplanes.c [code]
file	vf_mestimate.c [code]
file	vf_midequalizer.c [code]
file	vf_minterpolate.c [code]
file	vf_misc_vaapi.c [code]
file	vf_mix.c [code]
file	vf_mpdecimate.c [code]
file	vf_neighbor.c [code]
file	vf_neighbor_opencl.c [code]
file	vf_nlmeans.c [code]
file	vf_nlmeans.h [code]
file	vf_nnedi.c [code]
file	vf_noise.c [code]
	noise generator
file	vf_noise.h [code]
file	vf_normalize.c [code]
file	vf_null.c [code]
	null video filter
file	vf_ocr.c [code]
file	vf_overlay.c [code]
	overlay one video on top of another
file	vf_overlay.h [code]
file	vf_overlay_opencl.c [code]
file	vf_overlay_qsv.c [code]
	A hardware accelerated overlay filter based on Intel Quick Sync Video VPP.
file	vf_owdenoise.c [code]
file	vf_pad.c [code]
	video padding filter
file	vf_palettegen.c [code]
	Generate one palette for a whole video stream.
file	vf_paletteuse.c [code]
	Use a palette to downsample an input video stream.
file	vf_perspective.c [code]
file	vf_phase.c [code]
file	vf_pixdesctest.c [code]
	pixdesc test filter
file	vf_pp.c [code]
	libpostproc filter, ported from MPlayer.
file	vf_pp7.c [code]
	Postprocessing filter - 7.
file	vf_pp7.h [code]
file	vf_premultiply.c [code]
file	vf_procamp_vaapi.c [code]
file	vf_program_opencl.c [code]
file	vf_pseudocolor.c [code]
file	vf_psnr.c [code]
	Caculate the PSNR between two input videos.
file	vf_pullup.c [code]
file	vf_pullup.h [code]
file	vf_qp.c [code]
file	vf_random.c [code]
file	vf_readeia608.c [code]
	Filter for reading closed captioning data (EIA-608).
file	vf_readvitc.c [code]
	Filter for reading the vertical interval timecode (VITC).
file	vf_remap.c [code]
	Pixel remap filter This filter copies pixel by pixel a source frame to a target frame.
file	vf_removegrain.c [code]
file	vf_removelogo.c [code]
	Advanced blur-based logo removing filter.
file	vf_repeatfields.c [code]
file	vf_rotate.c [code]
	rotation filter, partially based on the tests/rotozoom.c program
file	vf_sab.c [code]
	Shape Adaptive Blur filter, ported from MPlayer libmpcodecs/vf_sab.c.
file	vf_scale.c [code]
	scale video filter
file	vf_scale_cuda.c [code]
file	vf_scale_npp.c [code]
	scale video filter
file	vf_scale_qsv.c [code]
	scale video filter - QSV
file	vf_scale_vaapi.c [code]
file	vf_selectivecolor.c [code]
file	vf_separatefields.c [code]
file	vf_setparams.c [code]
file	vf_showinfo.c [code]
	filter for showing textual video frame information
file	vf_showpalette.c [code]
	Display frame palette (AV_PIX_FMT_PAL8)
file	vf_shuffleframes.c [code]
file	vf_shuffleplanes.c [code]
file	vf_signalstats.c [code]
file	vf_signature.c [code]
	MPEG-7 video signature calculation and lookup filter.
file	vf_smartblur.c [code]
	Apply a smartblur filter to the input video Ported from MPlayer libmpcodecs/vf_smartblur.c by Michael Niedermayer.
file	vf_spp.c [code]
	Simple post processing filter.
file	vf_spp.h [code]
file	vf_sr.c [code]
	Filter implementing image super-resolution using deep convolutional networks.
file	vf_ssim.c [code]
file	vf_stack.c [code]
file	vf_stereo3d.c [code]
file	vf_subtitles.c [code]
	Libass subtitles burning filter.
file	vf_super2xsai.c [code]
	Super 2xSaI video filter Ported from MPlayer libmpcodecs/vf_2xsai.c.
file	vf_swaprect.c [code]
file	vf_swapuv.c [code]
	swap UV filter
file	vf_telecine.c [code]
file	vf_threshold.c [code]
	threshold video filter
file	vf_thumbnail.c [code]
	Potential thumbnail lookup filter to reduce the risk of an inappropriate selection (such as a black frame) we could get with an absolute seek.
file	vf_thumbnail_cuda.c [code]
file	vf_tile.c [code]
	tile video filter
file	vf_tinterlace.c [code]
	temporal field interlace filter, ported from MPlayer/libmpcodecs
file	vf_tonemap.c [code]
	tonemap algorithms
file	vf_tonemap_opencl.c [code]
file	vf_transpose.c [code]
	transposition filter Based on MPlayer libmpcodecs/vf_rotate.c.
file	vf_transpose_npp.c [code]
file	vf_unsharp.c [code]
	blur / sharpen filter, ported to FFmpeg from MPlayer libmpcodecs/unsharp.c.
file	vf_unsharp_opencl.c [code]
file	vf_uspp.c [code]
	Ultra Slow/Simple Post-processing filter.
file	vf_vaguedenoiser.c [code]
file	vf_vectorscope.c [code]
file	vf_vflip.c [code]
	video vertical flip filter
file	vf_vfrdet.c [code]
file	vf_vibrance.c [code]
file	vf_vidstabdetect.c [code]
file	vf_vidstabtransform.c [code]
file	vf_vignette.c [code]
file	vf_vmafmotion.c [code]
	Calculate VMAF Motion score.
file	vf_vpp_qsv.c [code]
	Hardware accelerated common filters based on Intel Quick Sync Video VPP.
file	vf_w3fdif.c [code]
file	vf_waveform.c [code]
file	vf_weave.c [code]
file	vf_xbr.c [code]
	XBR Filter is used for depixelization of image.
file	vf_yadif.c [code]
file	vf_yadif_cuda.c [code]
file	vf_zoompan.c [code]
file	vf_zscale.c [code]
	zscale video filter using z.lib library
file	video.c [code]
file	video.h [code]
file	vidstabutils.c [code]
file	vidstabutils.h [code]
file	vmaf_motion.h [code]
file	vsink_nullsink.c [code]
file	vsrc_cellauto.c [code]
	cellular automaton video source, based on Stephen Wolfram "experimentus crucis"
file	vsrc_life.c [code]
	life video source, based on John Conways' Life Game
file	vsrc_mandelbrot.c [code]
	Mandelbrot fractal renderer.
file	vsrc_mptestsrc.c [code]
	MP test source, ported from MPlayer libmpcodecs/vf_test.c.
file	vsrc_testsrc.c [code]
	Misc test sources.
file	w3fdif.h [code]
file	window_func.h [code]
file	yadif.h [code]
file	yadif_common.c [code]