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Propagating perceptual weighting around (not used yet).

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This commit is contained in:
Jean-Marc Valin 2007-12-14 13:47:04 +11:00
parent 36d78e6f74
commit 46014ca49a
6 changed files with 21 additions and 12 deletions
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6
libcelt/vq.c
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@ -38,7 +38,7 @@
/* Improved algebraic pulse-base quantiser. The signal x is replaced by the sum of the pitch
a combination of pulses such that its norm is still equal to 1. The only difference with
the quantiser above is that the search is more complete. */
void alg_quant(float *x, int N, int K, float *p, float alpha, ec_enc *enc)
void alg_quant(float *x, float *W, int N, int K, float *p, float alpha, ec_enc *enc)
{
int L = 3;
//float tata[200];
@ -223,7 +223,7 @@ void alg_quant(float *x, int N, int K, float *p, float alpha, ec_enc *enc)
static const float pg[5] = {1.f, .6f, .45f, 0.35f, 0.25f};
/* Finds the right offset into Y and copy it */
void copy_quant(float *x, int N, int K, float *Y, int B, int N0, ec_enc *enc)
void copy_quant(float *x, float *W, int N, int K, float *Y, int B, int N0, ec_enc *enc)
{
int i,j;
int best=0;
@ -287,7 +287,7 @@ void copy_quant(float *x, int N, int K, float *Y, int B, int N0, ec_enc *enc)
E = .8/sqrt(E);
for (j=0;j<N;j++)
P[j] *= E;
alg_quant(x, N, K, P, 0, enc);
alg_quant(x, W, N, K, P, 0, enc);
}
}