Set LFO rate.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section acue
Delay audio filtering until a given wallclock timestamp. See the @ref{cue}
@item weights
Specify weight of each input audio stream as sequence.
Each weight is separated by space. By default all inputs have same weight.
+
+@item sum
+Do not scale inputs but instead do only summation of samples.
+Beware of heavy clipping if inputs are not normalized prior of filtering
+or output from @var{amix} normalized after filtering. By default is disabled.
@end table
@subsection Commands
This filter supports the following commands:
@table @option
@item weights
+@item sum
Syntax is same as option with same name.
@end table
noise removed from input signal.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section asetnsamples
Set the number of samples per each output audio frame.
@end example
@end itemize
+@subsection Commands
+This filter supports same @ref{commands} as options.
+
@section bm3d
Denoise frames using Block-Matching 3D algorithm.
This filter supports the all above options as @ref{commands}.
+@section colorcontrast
+
+Adjust color contrast between RGB components.
+
+The filter accepts the following options:
+
+@table @option
+@item rc
+Set the red-cyan contrast. Defaults is 0.0. Allowed range is from -1.0 to 1.0.
+
+@item gm
+Set the green-magenta contrast. Defaults is 0.0. Allowed range is from -1.0 to 1.0.
+
+@item by
+Set the blue-yellow contrast. Defaults is 0.0. Allowed range is from -1.0 to 1.0.
+
+@item rcw
+@item gmw
+@item byw
+Set the weight of each @code{rc}, @code{gm}, @code{by} option value. Default value is 0.0.
+Allowed range is from 0.0 to 1.0. If all weights are 0.0 filtering is disabled.
+
+@item pl
+Set the amount of preserving lightness. Default value is 0.0. Allowed range is from 0.0 to 1.0.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
+@section colorcorrect
+
+Adjust color white balance selectively for blacks and whites.
+This filter operates in YUV colorspace.
+
+The filter accepts the following options:
+
+@table @option
+@item rl
+Set the red shadow spot. Allowed range is from -1.0 to 1.0.
+Default value is 0.
+
+@item bl
+Set the blue shadow spot. Allowed range is from -1.0 to 1.0.
+Default value is 0.
+
+@item rh
+Set the red highlight spot. Allowed range is from -1.0 to 1.0.
+Default value is 0.
+
+@item bh
+Set the red highlight spot. Allowed range is from -1.0 to 1.0.
+Default value is 0.
+
+@item saturation
+Set the amount of saturation. Allowed range is from -3.0 to 3.0.
+Default value is 1.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section colorchannelmixer
Adjust video input frames by re-mixing color channels.
Default is @code{1} for @var{aa}, and @code{0} for @var{ar}, @var{ag} and @var{ab}.
Allowed ranges for options are @code{[-2.0, 2.0]}.
+
+@item pl
+Preserve lightness when changing colors. Allowed range is from @code{[0.0, 1.0]}.
+Default is @code{0.0}, thus disabled.
@end table
@subsection Examples
colorspace=smpte240m
@end example
+@section colortemperature
+Adjust color temperature in video to simulate variations in ambient color temperature.
+
+The filter accepts the following options:
+
+@table @option
+@item temperature
+Set the temperature in Kelvin. Allowed range is from 1000 to 40000.
+Default value is 6500 K.
+
+@item mix
+Set mixing with filtered output. Allowed range is from 0 to 1.
+Default value is 1.
+
+@item pl
+Set the amount of preserving lightness. Allowed range is from 0 to 1.
+Default value is 0.
+@end table
+
+@subsection Commands
+This filter supports same @ref{commands} as options.
+
@section convolution
Apply convolution of 3x3, 5x5, 7x7 or horizontal/vertical up to 49 elements.
between neighbour histogram values.
@end table
+@section epx
+Apply the EPX magnification filter which is designed for pixel art.
+
+It accepts the following option:
+
+@table @option
+@item n
+Set the scaling dimension: @code{2} for @code{2xEPX}, @code{3} for
+@code{3xEPX}.
+Default is @code{3}.
+@end table
+
@section eq
Set brightness, contrast, saturation and approximate gamma adjustment.
@item redge
Specify the search radius for best edge matching. Default value is 2.
Allowed range is from 0 to 15.
+
+@item interp
+Specify the interpolation used. Default is 4-point interpolation. It accepts one
+of the following values:
+
+@table @option
+@item 2p
+Two-point interpolation.
+@item 4p
+Four-point interpolation.
+@item 6p
+Six-point interpolation.
+@end table
@end table
@subsection Commands
@end example
@end itemize
+@section kirsch
+Apply kirsch operator to input video stream.
+
+The filter accepts the following option:
+
+@table @option
+@item planes
+Set which planes will be processed, unprocessed planes will be copied.
+By default value 0xf, all planes will be processed.
+
+@item scale
+Set value which will be multiplied with filtered result.
+
+@item delta
+Set value which will be added to filtered result.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section lagfun
Slowly update darker pixels.
Set which planes to filter. Default is all. Allowed range is from 0 to 15.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section lenscorrection
Correct radial lens distortion
@item k2
Coefficient of the double quadratic correction term. This value has a range [-1,1].
0 means no correction. Default is 0.
+@item i
+Set interpolation type. Can be @code{nearest} or @code{bilinear}.
+Default is @code{nearest}.
+@item fc
+Specify the color of the unmapped pixels. For the syntax of this option,
+check the @ref{color syntax,,"Color" section in the ffmpeg-utils
+manual,ffmpeg-utils}. Default color is @code{black@@0}.
@end table
The formula that generates the correction is:
where @var{r_0} is halve of the image diagonal and @var{r_src} and @var{r_tgt} are the
distances from the focal point in the source and target images, respectively.
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section lensfun
Apply lens correction via the lensfun library (@url{http://lensfun.sourceforge.net/}).
Interpolate values using the 8 points defining a cube.
@item tetrahedral
Interpolate values using a tetrahedron.
+@item pyramid
+Interpolate values using a pyramid.
+@item prism
+Interpolate values using a prism.
@end table
@end table
@end table
@end table
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item weights
+@item scale
+Syntax is same as option with same name.
+@end table
+
@section mpdecimate
Drop frames that do not differ greatly from the previous frame in
@item i
set component to use as base for altering colors
+
+@item p
+Pick one of built-in LUTs. By default is set to none.
+
+Available LUTs:
+@table @samp
+@item magma
+@item inferno
+@item plasma
+@item viridis
+@item turbo
+@item cividis
+@item range1
+@item range2
+@end table
+
@end table
Each of them specifies the expression to use for computing the lookup table for
All expressions default to "val".
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@subsection Examples
@itemize
@end table
@end table
+@section shear
+Apply shear transform to input video.
+
+This filter supports the following options:
+
+@table @option
+@item shx
+Shear factor in X-direction. Default value is 0.
+Allowed range is from -2 to 2.
+
+@item shy
+Shear factor in Y-direction. Default value is 0.
+Allowed range is from -2 to 2.
+
+@item fillcolor, c
+Set the color used to fill the output area not covered by the transformed
+video. For the general syntax of this option, check the
+@ref{color syntax,,"Color" section in the ffmpeg-utils manual,ffmpeg-utils}.
+If the special value "none" is selected then no
+background is printed (useful for example if the background is never shown).
+
+Default value is "black".
+
+@item interp
+Set interpolation type. Can be @code{bilinear} or @code{nearest}. Default is @code{bilinear}.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section showinfo
Show a line containing various information for each input video frame.
@end example
@end itemize
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item weights
+@item scale
+Syntax is same as option with same name.
+@end table
+
@anchor{tonemap}
@section tonemap
Tone map colors from different dynamic ranges.
projects / ffmpeg / blobdiff