diff options
Diffstat (limited to 'libavcodec/ac3dec.c')
| -rw-r--r-- | libavcodec/ac3dec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c index 3c5147229f..82ae61857d 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -442,8 +442,9 @@ static void ac3_decode_transform_coeffs_ch(AC3DecodeContext *s, int ch_index, ma int mantissa; switch (bap) { case 0: + /* random noise with approximate range of -0.707 to 0.707 */ if (dither) - mantissa = (av_lfg_get(&s->dith_state) & 0x7FFFFF) - 0x400000; + mantissa = (av_lfg_get(&s->dith_state) / 362) - 5932275; else mantissa = 0; break; |