Lines Matching refs:idelta
538 predictor += ((nibble & 0x08)?(nibble - 0x10):(nibble)) * c->idelta;
542 c->idelta = (ff_adpcm_AdaptationTable[(int)nibble] * c->idelta) >> 8;
543 if (c->idelta < 16) c->idelta = 16;
544 if (c->idelta > INT_MAX/768) {
545 av_log(NULL, AV_LOG_WARNING, "idelta overflow\n");
546 c->idelta = INT_MAX/768;
1244 c->status[channel].idelta = sign_extend(bytestream2_get_le16u(&gb), 16);
1274 c->status[0].idelta = sign_extend(bytestream2_get_le16u(&gb), 16);
1276 c->status[1].idelta = sign_extend(bytestream2_get_le16u(&gb), 16);