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fix random dithering of zero-bit mantissas

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Originally committed as revision 10495 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles
2007-09-15 00:43:40 +00:00
parent bfcf690c68
commit d5b7144e1f
1 changed files with 1 additions and 1 deletions
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2
libavcodec/ac3dec.c
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@@ -518,7 +518,7 @@ static int get_transform_coeffs_ch(AC3DecodeContext *ctx, int ch_index, mant_gro
tbap = bap[i];
switch (tbap) {
case 0:
coeffs[i] = ((av_random(&ctx->dith_state) & 0xFFFF) * LEVEL_MINUS_3DB) / 32768.0f;
coeffs[i] = ((av_random(&ctx->dith_state) & 0xFFFF) / 65535.0f) - 0.5f;
break;
case 1: