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Actually enabled the probability model

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This commit is contained in:
Jean-Marc Valin 2007-12-07 17:58:44 +11:00
parent 143fbc3138
commit c57ac95f17
1 changed files with 3 additions and 7 deletions
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10
libcelt/quant_bands.c
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@ -41,7 +41,7 @@ static const float means[15] = {
8.5737, 8.5614, 9.0107, 7.6809, 7.0665}; 8.5737, 8.5614, 9.0107, 7.6809, 7.0665};
static const int decay[15] = { static const int decay[15] = {
13813, 13364, 12331, 11512, 10504, 8897, 8601, 7572, 6817, 6579, 5204, 4374, 3492, 3192, 2653 14800, 14000, 12600, 12000, 10804, 9000, 8601, 7572, 6817, 6579, 5204, 4374, 3492, 3192, 2653
}; };
void quant_energy(CELTMode *m, float *eBands, float *oldEBands, ec_enc *enc) void quant_energy(CELTMode *m, float *eBands, float *oldEBands, ec_enc *enc)
@ -60,11 +60,7 @@ void quant_energy(CELTMode *m, float *eBands, float *oldEBands, ec_enc *enc)
res = .25f*(i+3.f); res = .25f*(i+3.f);
//res = 1; //res = 1;
qi = (int)floor(.5+(x-pred-prev)/res); qi = (int)floor(.5+(x-pred-prev)/res);
/*if (qi > 40) ec_laplace_encode(enc, qi, decay[i]);
qi = 40;
if (qi < -40)
qi = -40;*/
ec_laplace_encode(enc, qi, 15000);
q = qi*res; q = qi*res;
//printf("%d ", qi); //printf("%d ", qi);
@ -92,7 +88,7 @@ void unquant_energy(CELTMode *m, float *eBands, float *oldEBands, ec_dec *dec)
float pred = .7*oldEBands[i]+means[i]; float pred = .7*oldEBands[i]+means[i];
res = .25f*(i+3.f); res = .25f*(i+3.f);
qi = ec_laplace_decode(dec, 15000); qi = ec_laplace_decode(dec, decay[i]);
q = qi*res; q = qi*res;
//printf("%f %f ", pred+prev+q, x); //printf("%f %f ", pred+prev+q, x);
//printf("%d ", qi); //printf("%d ", qi);