768, 614, 512, 409, 307, 230, 230, 230
};
-static const int AdaptCoeff1[] = {
- 256, 512, 0, 192, 240, 460, 392
+static const int8_t AdaptCoeff1[] = {
+ 64, 128, 0, 48, 60, 115, 98
};
-static const int AdaptCoeff2[] = {
- 0, -256, 0, 64, 0, -208, -232
+static const int8_t AdaptCoeff2[] = {
+ 0, -64, 0, 16, 0, -52, -58
};
/* These are for CD-ROM XA ADPCM */
{
int predictor, nibble, bias;
- predictor = (((c->sample1) * (c->coeff1)) + ((c->sample2) * (c->coeff2))) / 256;
+ predictor = (((c->sample1) * (c->coeff1)) + ((c->sample2) * (c->coeff2))) / 64;
nibble= sample - predictor;
if(nibble>=0) bias= c->idelta/2;
const int step = nodes[j]->step;
int nidx;
if(version == CODEC_ID_ADPCM_MS) {
- const int predictor = ((nodes[j]->sample1 * c->coeff1) + (nodes[j]->sample2 * c->coeff2)) / 256;
+ const int predictor = ((nodes[j]->sample1 * c->coeff1) + (nodes[j]->sample2 * c->coeff2)) / 64;
const int div = (sample - predictor) / step;
const int nmin = av_clip(div-range, -8, 6);
const int nmax = av_clip(div+range, -7, 7);