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Use correct value for range

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The current range value causes an underflow
when negated and pushes anything less than zero
to the minimum.
This commit is contained in:
Mashiat Sarker Shakkhar 2011-12-02 03:11:21 +06:00
parent 768261e50d
commit 29c2fcb677
1 changed files with 1 additions and 1 deletions
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2
libavcodec/wmalosslessdec.c
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@ -895,7 +895,7 @@ static void lms_update(WmallDecodeCtx *s, int ich, int ilms, int16_t input, int1
{
int16_t icoef;
int recent = s->cdlms[ich][ilms].recent;
int16_t range = 1 << (s->bits_per_sample - 1);
int16_t range = (1 << s->bits_per_sample - 1) - 1;
int bps = s->bits_per_sample > 16 ? 4 : 2; // bytes per sample
if (input > pred) {