Set split frequencies. Those must be positive and increasing.
@item order
-Set filter order. Available values are:
+Set filter order for each band split. This controls filter roll-off or steepness
+of filter transfer function.
+Available values are:
@table @samp
@item 2nd
+12 dB per octave.
@item 4th
+24 dB per octave.
@item 6th
+36 dB per octave.
@item 8th
+48 dB per octave.
@item 10th
+60 dB per octave.
@item 12th
+72 dB per octave.
@item 14th
+84 dB per octave.
@item 16th
+96 dB per octave.
@item 18th
+108 dB per octave.
@item 20th
+120 dB per octave.
@end table
Default is @var{4th}.
@item level
Set input gain level. Allowed range is from 0 to 1. Default value is 1.
+
+@item gains
+Set output gain for each band. Default value is 1 for all bands.
@end table
@subsection Examples
@end table
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@subsection Examples
@itemize
@item shift
Specify frequency shift. Allowed range is -INT_MAX to INT_MAX.
Default value is 0.0.
+
+@item level
+Set output gain applied to final output. Allowed range is from 0.0 to 1.0.
+Default value is 1.0.
@end table
@subsection Commands
-This filter supports the above option as @ref{commands}.
+This filter supports the all above options as @ref{commands}.
@section agate
Default is @code{average}. Can be @code{average} or @code{maximum}.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section aiir
Apply an arbitrary Infinite Impulse Response filter.
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Commands
@item shift
Specify phase shift. Allowed range is from -1.0 to 1.0.
Default value is 0.0.
+
+@item level
+Set output gain applied to final output. Allowed range is from 0.0 to 1.0.
+Default value is 1.0.
@end table
@subsection Commands
-This filter supports the above option as @ref{commands}.
+This filter supports the all above options as @ref{commands}.
@section apulsator
@table @option
@item model, m
Set train model file to load. This option is always required.
+
+@item mix
+Set how much to mix filtered samples into final output.
+Allowed range is from -1 to 1. Default value is 1.
+Negative values are special, they set how much to keep filtered noise
+in the final filter output. Set this option to -1 to hear actual
+noise removed from input signal.
@end table
@section asetnsamples
This filter supports the all above options as @ref{commands}.
+@section asubcut
+Cut subwoofer frequencies.
+
+This filter allows to set custom, steeper
+roll off than highpass filter, and thus is able to more attenuate
+frequency content in stop-band.
+
+The filter accepts the following options:
+
+@table @option
+@item cutoff
+Set cutoff frequency in Hertz. Allowed range is 2 to 200.
+Default value is 20.
+
+@item order
+Set filter order. Available values are from 3 to 20.
+Default value is 10.
+
+@item level
+Set input gain level. Allowed range is from 0 to 1. Default value is 1.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section asupercut
Cut super frequencies.
@item order
Set filter order. Available values are from 3 to 20.
Default value is 10.
+
+@item level
+Set input gain level. Allowed range is from 0 to 1. Default value is 1.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
+@section asuperpass
+Apply high order Butterworth band-pass filter.
+
+The filter accepts the following options:
+
+@table @option
+@item centerf
+Set center frequency in Hertz. Allowed range is 2 to 999999.
+Default value is 1000.
+
+@item order
+Set filter order. Available values are from 4 to 20.
+Default value is 4.
+
+@item qfactor
+Set Q-factor. Allowed range is from 0.01 to 100. Default value is 1.
+
+@item level
+Set input gain level. Allowed range is from 0 to 2. Default value is 1.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
+@section asuperstop
+Apply high order Butterworth band-stop filter.
+
+The filter accepts the following options:
+
+@table @option
+@item centerf
+Set center frequency in Hertz. Allowed range is 2 to 999999.
+Default value is 1000.
+
+@item order
+Set filter order. Available values are from 4 to 20.
+Default value is 4.
+
+@item qfactor
+Set Q-factor. Allowed range is from 0.01 to 100. Default value is 1.
+
+@item level
+Set input gain level. Allowed range is from 0 to 2. Default value is 1.
@end table
@subsection Commands
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Commands
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Commands
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Commands
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@section bs2b
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Examples
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Commands
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Examples
Set sidechain gain. Default is 1. Range is from 0.015625 to 64.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section silencedetect
Detect silence in an audio stream.
@item ms>rr
Mid/Side to Right/Right.
+
+@item ms>rl
+Mid/Side to Right/Left.
+
+@item lr>l-r
+Left/Right to Left - Right.
@end table
@item slev
@end table
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@subsection Examples
@itemize
@item tdii
@item latt
@end table
+
+@item precision, r
+Set precison of filtering.
+@table @option
+@item auto
+Pick automatic sample format depending on surround filters.
+@item s16
+Always use signed 16-bit.
+@item s32
+Always use signed 32-bit.
+@item f32
+Always use float 32-bit.
+@item f64
+Always use float 64-bit.
+@end table
@end table
@subsection Commands
@table @option
@item thres
Set threshold for averaging chrominance values.
-Sum of absolute difference of U and V pixel components or current
+Sum of absolute difference of Y, U and V pixel components of current
pixel and neighbour pixels lower than this threshold will be used in
averaging. Luma component is left unchanged and is copied to output.
Default value is 30. Allowed range is from 1 to 200.
Set vertical step when averaging. Default value is 1.
Allowed range is from 1 to 50.
Mostly useful to speed-up filtering.
+
+@item threy
+Set Y threshold for averaging chrominance values.
+Set finer control for max allowed difference between Y components
+of current pixel and neigbour pixels.
+Default value is 200. Allowed range is from 1 to 200.
+
+@item threu
+Set U threshold for averaging chrominance values.
+Set finer control for max allowed difference between U components
+of current pixel and neigbour pixels.
+Default value is 200. Allowed range is from 1 to 200.
+
+@item threv
+Set V threshold for averaging chrominance values.
+Set finer control for max allowed difference between V components
+of current pixel and neigbour pixels.
+Default value is 200. Allowed range is from 1 to 200.
@end table
@subsection Commands
Default is @var{square}.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@subsection Examples
@itemize
get only even dimensions (needed for 4:2:2 video). 16 is best when
encoding to most video codecs.
+@item skip
+Set the number of initial frames for which evaluation is skipped.
+Default is 2. Range is 0 to INT_MAX.
+
@item reset_count, reset
Set the counter that determines after how many frames cropdetect will
reset the previously detected largest video area and start over to
Specify which planes will be processed. Defaults to all available.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section loop
Loop video frames.
Set value which will be added to filtered result.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section pseudocolor
Alter frame colors in video with pseudocolors.
Set value which will be added to filtered result.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section rotate
Rotate video by an arbitrary angle expressed in radians.
Set value which will be added to filtered result.
@end table
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@anchor{spp}
@section spp
projects / ffmpeg / blobdiff