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swresample: set flags & description and add documentation for output_sample_bits 

Allows users to actually use such option.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-06-04 11:56:14 +00:00
parent 495bf1b685
commit 0804171104
2 changed files with 5 additions and 1 deletions
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4
doc/resampler.texi
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@ -217,6 +217,10 @@ select Kaiser Windowed Sinc
For swr only, set Kaiser Window Beta value. Must be an integer in the
interval [2,16], default value is 9.
@item output_sample_bits
For swr only, set number of used output sample bits for dithering. Must be an integer in the
interval [0,64], default value is 0, which means it's not used.
@end table
@c man end RESAMPLER OPTIONS

2
libswresample/swresample.c
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@ -127,7 +127,7 @@ static const AVOption options[]={
{ "kaiser_beta" , "set swr Kaiser Window Beta" , OFFSET(kaiser_beta) , AV_OPT_TYPE_INT , {.i64=9 }, 2 , 16 , PARAM },
{ "output_sample_bits" , "" , OFFSET(dither.output_sample_bits) , AV_OPT_TYPE_INT , {.i64=0 }, 0 , 64 , 0 },
{ "output_sample_bits" , "set swr number of output sample bits", OFFSET(dither.output_sample_bits), AV_OPT_TYPE_INT , {.i64=0 }, 0 , 64 , PARAM },
{0}
};