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ffmpeg.wasm-core
Commit 6bc4e36b authored by Michael Niedermayer's avatar Michael Niedermayer
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swr: set scale for 32->32/24 dither 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 449558d3
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libswresample/dither.c
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...@@ -88,6 +88,7 @@ int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFo ...@@ -88,6 +88,7 @@ int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFo
if(out_fmt == AV_SAMPLE_FMT_S16) scale = 1.0/(1L<<15); if(out_fmt == AV_SAMPLE_FMT_S16) scale = 1.0/(1L<<15);
if(out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1.0/(1L<< 7); if(out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1.0/(1L<< 7);
} }
if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_S32 && (s->dither.output_sample_bits&31)) scale = 1;
if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_S16) scale = 1L<<16; if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_S16) scale = 1L<<16;
if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1L<<24; if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1L<<24;
if(in_fmt == AV_SAMPLE_FMT_S16 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1L<<8; if(in_fmt == AV_SAMPLE_FMT_S16 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1L<<8;
......
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