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No longer filling the stereo side with noise.

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This commit is contained in:
Jean-Marc Valin 2010-10-13 11:48:17 -04:00
parent ccd5a61a69
commit ccd51fe947
2 changed files with 27 additions and 20 deletions
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40
libcelt/vq.c
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@ -183,17 +183,23 @@ void alg_quant(celt_norm *X, int N, int K, int spread, int B, celt_norm *lowband
{
if (lowband != NULL && resynth)
{
for (j=0;j<N;j++)
X[j] = lowband[j];
if (spread==2 && B<=1)
{
for (j=0;j<N;j++)
{
*seed = lcg_rand(*seed);
X[j] = (int)(*seed)>>20;
}
} else {
for (j=0;j<N;j++)
X[j] = lowband[j];
}
renormalise_vector(X, N, gain);
} else {
/* This is important for encoding the side in stereo mode */
for (j=0;j<N;j++)
{
*seed = lcg_rand(*seed);
X[j] = (int)(*seed)>>20;
}
X[j] = 0;
}
renormalise_vector(X, N, gain);
return;
}
K = get_pulses(K);
@ -361,17 +367,23 @@ void alg_unquant(celt_norm *X, int N, int K, int spread, int B,
{
if (lowband != NULL)
{
for (i=0;i<N;i++)
X[i] = lowband[i];
if (spread==2 && B<=1)
{
for (i=0;i<N;i++)
{
*seed = lcg_rand(*seed);
X[i] = (int)(*seed)>>20;
}
} else {
for (i=0;i<N;i++)
X[i] = lowband[i];
}
renormalise_vector(X, N, gain);
} else {
/* This is important for encoding the side in stereo mode */
for (i=0;i<N;i++)
{
*seed = lcg_rand(*seed);
X[i] = (int)(*seed)>>20;
}
X[i] = 0;
}
renormalise_vector(X, N, gain);
return;
}
K = get_pulses(K);