1. ffmpeg
  2. Commit 7edd380668457782e06093320c41c4f060635861
Browse code

ac3_fixed: fix computation of spx_noise_blend

It was set to 1 instead of sqrt(3)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c4bf3833f4663fd484441907f73c5bc4700021a4)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Christophe Gisquet authored on 2015/03/14 20:48:58
Showing 1 changed files
libavcodec/ac3dec.c
History View file @ 7edd380
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@@ -939,7 +939,7 @@ static int decode_audio_block(AC3DecodeContext *s, int blk)
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                             nblend = 0;
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                             sblend = 0x800000;
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                         } else if (nratio > 0x7fffff) {
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-                            nblend = 0x800000;
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+                            nblend = 14529495; // sqrt(3) in FP.23
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                             sblend = 0;
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                         } else {
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                             nblend = fixed_sqrt(nratio, 23);