diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2013-02-24 19:05:54 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-02-24 20:31:56 +0100 |
| commit | 8b3affda87e45165bd7d968a8cad82fe700f60b7 (patch) | |
| tree | cc4dc3a3a0045ed097d310b5099a470768335c1b /libswresample/dither.c | |
| parent | c4c702b6d3b42b5ae25d96982f283b4028a83574 (diff) | |
swr: support a seperate output sample bits.
This avoids user apps having to mangle dither scale. for pcm24
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswresample/dither.c')
| -rw-r--r-- | libswresample/dither.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libswresample/dither.c b/libswresample/dither.c index d70505c27e..d0193dda46 100644 --- a/libswresample/dither.c +++ b/libswresample/dither.c @@ -94,6 +94,9 @@ int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFo scale *= s->dither.scale; + if (out_fmt == AV_SAMPLE_FMT_S32 && s->dither.output_sample_bits) + scale *= 1<<(32-s->dither.output_sample_bits); + s->dither.ns_pos = 0; s->dither.noise_scale= scale; s->dither.ns_scale = scale; |