FFmpeg 2.8.22
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.
bbox
Compute the bounding box for the non-black pixels in the input frame luminance plane.
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.
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.
copy
Copy the input source unchanged to the output.
crop
Crop the input video to given dimensions.
cropdetect
Auto-detect the crop size.
curves
Apply color adjustments using curves.
dctdnoiz
Denoise frames using 2D DCT (frequency domain filtering).
deband
Remove banding artifacts from input video.
decimate
Drop duplicated frames at regular intervals.
deflate
Apply deflate effect to the video.
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.
detelecine
Apply an exact inverse of the telecine operation.
dilation
Apply dilation effect to the video.
drawbox
Draw a colored box on the input image.
drawgraph
Draw a graph using input video or audio metadata.
adrawgraph
Draw a graph using input video or audio metadata.
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.
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.
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.
find_rect
Find a rectangular object .
cover_rect
Cover a rectangular object .
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.
geq
The filter accepts the following options: .
gradfun
Fix the banding artifacts that are sometimes introduced into nearly flat regions by truncation to 8bit 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.
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.
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 .
lut3d
Apply a 3D LUT to an input video.
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.
mergeplanes
Merge color channel components from several video streams.
mcdeint
Apply motion-compensation deinterlacing.
mpdecimate
Drop frames that do not differ greatly from the previous frame in order to reduce frame rate.
negate
Negate input video.
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.
null
Pass the video source unchanged to the output.
ocv
Apply a video transform using libopencv.
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.
pp
Enable the specified chain of postprocessing subfilters using libpostproc.
pp7
Apply Postprocessing filter 7.
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.
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 clip.
areverse
Reverse a clip.
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.
scale2ref
Scale (resize) the input video, based on a reference video.
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.
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.
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.
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.
swapuv
Swap U & V plane.
telecine
Apply telecine process to the video.
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.
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.
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.
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.
vignette
Make or reverse a natural vignetting effect.
vstack
Stack input videos vertically.
w3fdif
Deinterlace the input video ("w3fdif" stands for "Weston 3 Field Deinterlacing Filter").
waveform
Video waveform monitor.
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.