Filters / Video - FFmpeg 4.0.6

alphaextract: Extract the alpha component from the input as a grayscale video.
alphamerge: Add or replace the alpha component of the primary input with the grayscale value of a second input.
ass: Same as the subtitles filter, except that it doesn’t require libavcodec and libavformat to work.
atadenoise: Apply an Adaptive Temporal Averaging Denoiser to the video input.
avgblur: Apply average blur filter.
bbox: Compute the bounding box for the non-black pixels in the input frame luminance plane.
bitplanenoise: Show and measure bit plane noise.
blackdetect: Detect video intervals that are (almost) completely black.
blackframe: Detect frames that are (almost) completely black.
blend: The blend filter takes two input streams and outputs one stream, the first input is the "top" layer and second input is "bottom" layer.
tblend: The tblend (time blend) filter takes two consecutive frames from one single stream, and outputs the result obtained by blending the new frame on top of the old frame.
boxblur: Apply a boxblur algorithm to the input video.
bwdif: Deinterlace the input video ("bwdif" stands for "Bob Weaver Deinterlacing Filter").
chromakey: YUV colorspace color/chroma keying.
ciescope: Display CIE color diagram with pixels overlaid onto it.
codecview: Visualize information exported by some codecs.
colorbalance: Modify intensity of primary colors (red, green and blue) of input frames.
colorkey: RGB colorspace color keying.
colorlevels: Adjust video input frames using levels.
colorchannelmixer: Adjust video input frames by re-mixing color channels.
colormatrix: Convert color matrix.
colorspace: Convert colorspace, transfer characteristics or color primaries.
convolution: Apply convolution 3x3, 5x5 or 7x7 filter.
convolve: Apply 2D convolution of video stream in frequency domain using second stream as impulse.
copy: Copy the input video source unchanged to the output.
coreimage: Video filtering on GPU using Apple’s CoreImage API on OSX.
crop: Crop the input video to given dimensions.
cropdetect: Auto-detect the crop size.
curves: Apply color adjustments using curves.
datascope: Video data analysis filter.
dctdnoiz: Denoise frames using 2D DCT (frequency domain filtering).
deband: Remove banding artifacts from input video.
decimate: Drop duplicated frames at regular intervals.
deconvolve: Apply 2D deconvolution of video stream in frequency domain using second stream as impulse.
deflate: Apply deflate effect to the video.
deflicker: Remove temporal frame luminance variations.
dejudder: Remove judder produced by partially interlaced telecined content.
delogo: Suppress a TV station logo by a simple interpolation of the surrounding pixels.
deshake: Attempt to fix small changes in horizontal and/or vertical shift.
despill: Remove unwanted contamination of foreground colors, caused by reflected color of greenscreen or bluescreen.
detelecine: Apply an exact inverse of the telecine operation.
dilation: Apply dilation effect to the video.
displace: Displace pixels as indicated by second and third input stream.
drawbox: Draw a colored box on the input image.
drawgrid: Draw a grid on the input image.
drawtext: Draw a text string or text from a specified file on top of a video, using the libfreetype library.
edgedetect: Detect and draw edges.
eq: Set brightness, contrast, saturation and approximate gamma adjustment.
erosion: Apply erosion effect to the video.
extractplanes: Extract color channel components from input video stream into separate grayscale video streams.
elbg: Apply a posterize effect using the ELBG (Enhanced LBG) algorithm.
entropy: Measure graylevel entropy in histogram of color channels of video frames.
fade: Apply a fade-in/out effect to the input video.
fftfilt: Apply arbitrary expressions to samples in frequency domain .
field: Extract a single field from an interlaced image using stride arithmetic to avoid wasting CPU time.
fieldhint: Create new frames by copying the top and bottom fields from surrounding frames supplied as numbers by the hint file.
fieldmatch: Field matching filter for inverse telecine.
fieldorder: Transform the field order of the input video.
fifo: Buffer input images and send them when they are requested.
afifo: Buffer input images and send them when they are requested.
fillborders: Fill borders of the input video, without changing video stream dimensions.
find_rect: Find a rectangular object .
cover_rect: Cover a rectangular object .
floodfill: Flood area with values of same pixel components with another values.
format: Convert the input video to one of the specified pixel formats.
fps: Convert the video to specified constant frame rate by duplicating or dropping frames as necessary.
framepack: Pack two different video streams into a stereoscopic video, setting proper metadata on supported codecs.
framerate: Change the frame rate by interpolating new video output frames from the source frames.
framestep: Select one frame every N-th frame.
frei0r: Apply a frei0r effect to the input video.
fspp: Apply fast and simple postprocessing.
gblur: Apply Gaussian blur filter.
geq: The filter accepts the following options: .
gradfun: Fix the banding artifacts that are sometimes introduced into nearly flat regions by truncation to 8-bit color depth.
haldclut: Apply a Hald CLUT to a video stream.
hflip: Flip the input video horizontally.
histeq: This filter applies a global color histogram equalization on a per-frame basis.
histogram: Compute and draw a color distribution histogram for the input video.
hqdn3d: This is a high precision/quality 3d denoise filter.
hwdownload: Download hardware frames to system memory.
hwmap: Map hardware frames to system memory or to another device.
hwupload: Upload system memory frames to hardware surfaces.
hwupload_cuda: Upload system memory frames to a CUDA device.
hqx: Apply a high-quality magnification filter designed for pixel art.
hstack: Stack input videos horizontally.
hue: Modify the hue and/or the saturation of the input.
hysteresis: Grow first stream into second stream by connecting components.
idet: Detect video interlacing type.
il: Deinterleave or interleave fields.
inflate: Apply inflate effect to the video.
interlace: Simple interlacing filter from progressive contents.
kerndeint: Deinterlace input video by applying Donald Graft’s adaptive kernel deinterling.
lenscorrection: Correct radial lens distortion .
libvmaf: Obtain the VMAF (Video Multi-Method Assessment Fusion) score between two input videos.
limiter: Limits the pixel components values to the specified range [min, max].
loop: Loop video frames.
lut3d: Apply a 3D LUT to an input video.
lumakey: Turn certain luma values into transparency.
lut: Compute a look-up table for binding each pixel component input value to an output value, and apply it to the input video.
lutrgb: Compute a look-up table for binding each pixel component input value to an output value, and apply it to the input video.
lutyuv: Compute a look-up table for binding each pixel component input value to an output value, and apply it to the input video.
lut2: The lut2 filter takes two input streams and outputs one stream.
tlut2: The tlut2 (time lut2) filter takes two consecutive frames from one single stream.
maskedclamp: Clamp the first input stream with the second input and third input stream.
maskedmerge: Merge the first input stream with the second input stream using per pixel weights in the third input stream.
mcdeint: Apply motion-compensation deinterlacing.
mergeplanes: Merge color channel components from several video streams.
mestimate: Estimate and export motion vectors using block matching algorithms.
midequalizer: Apply Midway Image Equalization effect using two video streams.
minterpolate: Convert the video to specified frame rate using motion interpolation.
mix: Mix several video input streams into one video stream.
mpdecimate: Drop frames that do not differ greatly from the previous frame in order to reduce frame rate.
negate: Negate input video.
nlmeans: Denoise frames using Non-Local Means algorithm.
nnedi: Deinterlace video using neural network edge directed interpolation.
noformat: Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
noise: Add noise on video input frame.
normalize: Normalize RGB video (aka histogram stretching, contrast stretching).
null: Pass the video source unchanged to the output.
ocr: Optical Character Recognition .
ocv: Apply a video transform using libopencv.
oscilloscope: 2D Video Oscilloscope.
overlay: Overlay one video on top of another.
owdenoise: Apply Overcomplete Wavelet denoiser.
pad: Add paddings to the input image, and place the original input at the provided x, y coordinates.
palettegen: Generate one palette for a whole video stream.
paletteuse: Use a palette to downsample an input video stream.
perspective: Correct perspective of video not recorded perpendicular to the screen.
phase: Delay interlaced video by one field time so that the field order changes.
pixdesctest: Pixel format descriptor test filter, mainly useful for internal testing.
pixscope: Display sample values of color channels.
pp: Enable the specified chain of postprocessing subfilters using libpostproc.
pp7: Apply Postprocessing filter 7.
premultiply: Apply alpha premultiply effect to input video stream using first plane of second stream as alpha.
prewitt: Apply prewitt operator to input video stream.
program_opencl: Filter video using an OpenCL program.
pseudocolor: Alter frame colors in video with pseudocolors.
psnr: Obtain the average, maximum and minimum PSNR (Peak Signal to Noise Ratio) between two input videos.
pullup: Pulldown reversal (inverse telecine) filter, capable of handling mixed hard-telecine, 24000/1001 fps progressive, and 30000/1001 fps progressive content.
qp: Change video quantization parameters (QP).
random: Flush video frames from internal cache of frames into a random order.
readeia608: Read closed captioning (EIA-608) information from the top lines of a video frame.
readvitc: Read vertical interval timecode (VITC) information from the top lines of a video frame.
remap: Remap pixels using 2nd: Xmap and 3rd: Ymap input video stream.
removegrain: The removegrain filter is a spatial denoiser for progressive video.
removelogo: Suppress a TV station logo, using an image file to determine which pixels comprise the logo.
repeatfields: This filter uses the repeat_field flag from the Video ES headers and hard repeats fields based on its value.
reverse: Reverse a video clip.
roberts: Apply roberts cross operator to input video stream.
rotate: Rotate video by an arbitrary angle expressed in radians.
sab: Apply Shape Adaptive Blur.
scale: Scale (resize) the input video, using the libswscale library.
scale_npp: Use the NVIDIA Performance Primitives (libnpp) to perform scaling and/or pixel format conversion on CUDA video frames.
scale2ref: Scale (resize) the input video, based on a reference video.
selectivecolor: Adjust cyan, magenta, yellow and black (CMYK) to certain ranges of colors (such as "reds", "yellows", "greens", "cyans", .
separatefields: The separatefields takes a frame-based video input and splits each frame into its components fields, producing a new half height clip with twice the frame rate and twice the frame count.
setdar: The setdar filter sets the Display Aspect Ratio for the filter output video.
setsar: The setsar filter sets the Sample (aka Pixel) Aspect Ratio for the filter output video.
setfield: Force field for the output video frame.
showinfo: Show a line containing various information for each input video frame.
showpalette: Displays the 256 colors palette of each frame.
shuffleframes: Reorder and/or duplicate and/or drop video frames.
shuffleplanes: Reorder and/or duplicate video planes.
signalstats: Evaluate various visual metrics that assist in determining issues associated with the digitization of analog video media.
signature: Calculates the MPEG-7 Video Signature.
smartblur: Blur the input video without impacting the outlines.
ssim: Obtain the SSIM (Structural SImilarity Metric) between two input videos.
stereo3d: Convert between different stereoscopic image formats.
streamselect: The streamselect and astreamselect filter supports the following commands: .
astreamselect: The streamselect and astreamselect filter supports the following commands: .
sobel: Apply sobel operator to input video stream.
spp: Apply a simple postprocessing filter that compresses and decompresses the image at several (or - in the case of quality level 6 - all) shifts and average the results.
subtitles: Draw subtitles on top of input video using the libass library.
super2xsai: Scale the input by 2x and smooth using the Super2xSaI (Scale and Interpolate) pixel art scaling algorithm.
swaprect: Swap two rectangular objects in video.
swapuv: Swap U & V plane.
telecine: Apply telecine process to the video.
threshold: Apply threshold effect to video stream.
thumbnail: Select the most representative frame in a given sequence of consecutive frames.
tile: Tile several successive frames together.
tinterlace: Perform various types of temporal field interlacing.
tonemap: Tone map colors from different dynamic ranges.
transpose: Transpose rows with columns in the input video and optionally flip it.
trim: Trim the input so that the output contains one continuous subpart of the input.
unpremultiply: Apply alpha unpremultiply effect to input video stream using first plane of second stream as alpha.
unsharp: Sharpen or blur the input video.
uspp: Apply ultra slow/simple postprocessing filter that compresses and decompresses the image at several (or - in the case of quality level 8 - all) shifts and average the results.
vaguedenoiser: Apply a wavelet based denoiser.
vectorscope: Display 2 color component values in the two dimensional graph (which is called a vectorscope).
vidstabdetect: Analyze video stabilization/deshaking.
vidstabtransform: Video stabilization/deshaking: pass 2 of 2, see vidstabdetect for pass 1.
vflip: Flip the input video vertically.
vfrdet: Detect variable frame rate video.
vignette: Make or reverse a natural vignetting effect.
vmafmotion: Obtain the average vmaf motion score of a video.
vstack: Stack input videos vertically.
w3fdif: Deinterlace the input video ("w3fdif" stands for "Weston 3 Field Deinterlacing Filter").
waveform: Video waveform monitor.
weave: The weave takes a field-based video input and join each two sequential fields into single frame, producing a new double height clip with half the frame rate and half the frame count.
doubleweave: The doubleweave works same as weave but without halving frame rate and frame count.
xbr: Apply the xBR high-quality magnification filter which is designed for pixel art.
yadif: Deinterlace the input video ("yadif" means "yet another deinterlacing filter").
zoompan: Apply Zoom & Pan effect.
zscale: Scale (resize) the input video, using the z.