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don't reset decoding state for AICA_FMT_ADPCM_STREAM, fixes crackling on boot screen

This commit is contained in:
Anthony Pesch 2017-07-25 01:15:38 -04:00
parent 2e4f0602ac
commit 2e1524a259
1 changed files with 7 additions and 2 deletions
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9
src/guest/aica/aica.c
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@ -586,8 +586,13 @@ static int32_t aica_channel_step(struct aica *aica, struct aica_channel *ch) {
case AICA_LOOP_FORWARD: {
/* restart channel at loop start address */
ch->pos = ch->data->LSA;
ch->prev_sample = 0;
ch->prev_quant = ADPCM_QUANT_MIN;
/* in ADPCM streaming mode, the loop is a ring buffer. don't reset the
decoding state in this case */
if (ch->data->PCMS != AICA_FMT_ADPCM_STREAM) {
ch->prev_sample = 0;
ch->prev_quant = ADPCM_QUANT_MIN;
}
} break;
}
}