avcodec/atrac3plus: Make tables used to initialize VLCs smaller

[ffmpeg] / doc / filters.texi

diff --git a/doc/filters.texi b/doc/filters.texi
index b927ddbfbb85ef757f35b4c0776272383c333338..62d6e26a02e78dcd6cb103c717e348e6bcfa2273 100644 (file)
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -523,25 +523,40 @@ The filter accepts the following options:
 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
@@ -1404,11 +1419,15 @@ The filter accepts the following options:
 @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
 
@@ -1478,6 +1497,10 @@ the reduction.
 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.
@@ -1696,6 +1719,21 @@ Set transform type of IIR 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
@@ -2163,11 +2201,15 @@ The filter accepts the following options:
 @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
 
@@ -2288,6 +2330,13 @@ This filter accepts the following options:
 @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
@@ -2605,11 +2654,11 @@ The filter accepts the following options:
 @table @option
 @item dry
 Set dry gain, how much of original signal is kept. Allowed range is from 0 to 1.
-Default value is 0.5.
+Default value is 0.7.
 
 @item wet
 Set wet gain, how much of filtered signal is kept. Allowed range is from 0 to 1.
-Default value is 0.8.
+Default value is 0.7.
 
 @item decay
 Set delay line decay gain value. Allowed range is from 0 to 1.
@@ -2617,7 +2666,7 @@ Default value is 0.7.
 
 @item feedback
 Set delay line feedback gain value. Allowed range is from 0 to 1.
-Default value is 0.5.
+Default value is 0.9.
 
 @item cutoff
 Set cutoff frequency in Hertz. Allowed range is 50 to 900.
@@ -2636,6 +2685,32 @@ Default value is 20.
 
 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.
 
@@ -2645,6 +2720,13 @@ The filter accepts the following options:
 @item cutoff
 Set cutoff frequency in Hertz. Allowed range is 20000 to 192000.
 Default value is 20000.
+
+@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
@@ -2851,6 +2933,21 @@ Set transform type of IIR 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
@@ -2923,6 +3020,21 @@ Set transform type of IIR 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
@@ -3002,6 +3114,21 @@ Set transform type of IIR 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
@@ -3069,6 +3196,21 @@ Set transform type of IIR 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
 
 @section bs2b
@@ -3801,6 +3943,21 @@ Set transform type of IIR 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 Examples
@@ -4287,6 +4444,21 @@ Set transform type of IIR 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
@@ -4622,6 +4794,21 @@ Set transform type of IIR 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 Examples
@@ -5077,6 +5264,10 @@ Default is average. Can be average or maximum.
 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.
@@ -5472,6 +5663,12 @@ Mid/Side to Left/Left.
 
 @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
@@ -5521,6 +5718,10 @@ Equal power distribution, from -6dB to +6dB range.
 @end table
 @end table
 
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
 @subsection Examples
 
 @itemize
@@ -5814,6 +6015,21 @@ Set transform type of IIR 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