FFmpeg 1.1.16
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.
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.
boxblur
Apply boxblur algorithm to the input video.
colormatrix
The colormatrix filter allows conversion between any of the following color space: BT.
copy
Copy the input source unchanged to the output.
crop
Crop the input video.
cropdetect
Auto-detect crop size.
decimate
This filter drops frames that do not differ greatly from the previous frame in order to reduce framerate.
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.
drawbox
Draw a colored box on the input image.
drawtext
Draw text string or text from specified file on top of video using the libfreetype library.
edgedetect
Detect and draw edges.
fade
Apply fade-in/out effect to input video.
field
Extract a single field from an interlaced image using stride arithmetic to avoid wasting CPU time.
fieldorder
Transform the field order of the input video.
fifo
Buffer input images and send them when they are requested.
format
Convert the input video to one of the specified pixel formats.
fps
Convert the video to specified constant framerate by duplicating or dropping frames as necessary.
framestep
Select one frame every N.
frei0r
Apply a frei0r effect to the input video.
geq
The filter takes one, two or three equations as parameter, separated by ’:’.
gradfun
Fix the banding artifacts that are sometimes introduced into nearly flat regions by truncation to 8bit color depth.
hflip
Flip the input video horizontally.
histeq
This filter applies a global color histogram equalization on a per-frame basis.
hqdn3d
High precision/quality 3d denoise filter.
hue
Modify the hue and/or the saturation of the input.
idet
Interlaceing detect filter.
kerndeint
Deinterlace input video by applying Donald Graft’s adaptive kernel deinterling.
lut
Compute a look-up table for binding each pixel component input value to an output value, and apply it to input video.
lutrgb
Compute a look-up table for binding each pixel component input value to an output value, and apply it to input video.
lutyuv
Compute a look-up table for binding each pixel component input value to an output value, and apply it to input video.
mp
Apply an MPlayer filter to the input video.
negate
Negate input video.
noformat
Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
null
Pass the video source unchanged to the output.
ocv
Apply video transform using libopencv.
overlay
Overlay one video on top of another.
pad
Add paddings to the input image, and places the original input at the given coordinates x, y.
pixdesctest
Pixel format descriptor test filter, mainly useful for internal testing.
pp
Enable the specified chain of postprocessing subfilters using libpostproc.
removelogo
Suppress a TV station logo, using an image file to determine which pixels comprise the logo.
scale
Scale (resize) the input video, using the libswscale library.
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.
smartblur
Blur the input video without impacting the outlines.
subtitles
Draw subtitles on top of input video using the libass library.
split
Split input video into several identical outputs.
super2xsai
Scale the input by 2x and smooth using the Super2xSaI (Scale and Interpolate) pixel art scaling algorithm.
swapuv
Swap U & V plane.
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.
unsharp
Sharpen or blur the input video.
vflip
Flip the input video vertically.
yadif
Deinterlace the input video ("yadif" means "yet another deinterlacing filter").