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| author | Muhammad Faiz <mfcc64@gmail.com> | 2015-01-17 22:52:11 +0700 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-01-18 05:15:15 +0100 |
| commit | eba5cb2028f162f2850ba83713601349619e6da1 (patch) | |
| tree | b58a5c1c70dad6b36710103b5f7e4f69942e2b3b /doc | |
| parent | dff6c9250ba8de073955ce223276ca88ddd3ae8b (diff) | |
| download | ffmpeg-eba5cb2028f162f2850ba83713601349619e6da1.tar.gz | |
avfilter/showcqt: add gamma2 option
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 1b02be42ef..b8c378ffda 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -11205,6 +11205,10 @@ Specify gamma. Lower gamma makes the spectrum more contrast, higher gamma makes the spectrum having more range. Acceptable value is [1.0, 7.0]. Default value is @code{3.0}. +@item gamma2 +Specify gamma of bargraph. Acceptable value is [1.0, 7.0]. +Default value is @code{1.0}. + @item fontfile Specify font file for use with freetype. If not specified, use embedded font. @@ -11295,6 +11299,12 @@ Custom fontcolor, C-note is colored green, others are colored blue fontcolor='if(mod(floor(midi(f)+0.5),12), 0x0000FF, g(1))' @end example +@item +Custom gamma, now spectrum is linear to the amplitude. +@example +gamma=2:gamma2=2 +@end example + @end itemize @section showspectrum |