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af_volume: implement replaygain clipping prevention

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This adds a new "replaygain_noclip" option to the filter, and, if enabled,
limits the gain applied for tracks where clipping would occur.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Alessandro Ghedini
2014-04-06 16:25:08 +02:00
committed by Anton Khirnov
parent ac976ed91e
commit aaab192df2
3 changed files with 23 additions and 6 deletions
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doc/filters.texi
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@@ -676,6 +676,11 @@ Pre-amplification gain in dB to apply to the selected replaygain gain.
Default value for @var{replaygain_preamp} is 0.0.
@item replaygain_noclip
Prevent clipping by limiting the gain applied.
Default value for @var{replaygain_noclip} is 1.
@end table
@subsection Examples