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normalize signs 

Originally committed as revision 12851 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-04-16 14:46:25 +00:00
parent 115682e598
commit 6fab025d30
1 changed files with 2 additions and 4 deletions
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6
libavcodec/nellymoserdec.c
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@ -118,15 +118,13 @@ static void overlap_and_window(NellyMoserDecodeContext *s, float *state, float *
bot = 0;
top = NELLY_BUF_LEN-1;
top2 = 2*NELLY_BUF_LEN-1;
while (bot < NELLY_BUF_LEN/2) {
audio[bot] = (- a_in[bot]*sine_window[bot]-state[bot]*sine_window[top])/s->scale_bias + s->add_bias;
audio[top] = (-state[bot]*sine_window[bot]+ a_in[bot]*sine_window[top])/s->scale_bias + s->add_bias;
state[bot] = a_in[top2];
audio[top] = (-state[bot]*sine_window[bot]- a_in[top]*sine_window[top])/s->scale_bias + s->add_bias;
state[bot] = a_in[bot + NELLY_BUF_LEN];
bot++;
top2--;
top--;
}
}