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And this fixes that broken decoder in the event of starting on odd samples.

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This commit is contained in:
Christopher Snowhill 2017-01-16 22:26:08 -08:00
parent c226522283
commit 05a33eee1e
1 changed files with 9 additions and 1 deletions
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10
src/coding/psx_decoder.c
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@ -327,6 +327,10 @@ void decode_hevag(VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing
first_sample = first_sample % 28;
if (first_sample & 1) { /* if first sample is odd, read byte first */
byte = read_8bit(stream->offset+(framesin*16)+2+first_sample/2,stream->streamfile);
}
for (i = first_sample, sample_count = 0; i < first_sample + samples_to_do; i++, sample_count += channelspacing) {
sample = 0;
@ -391,11 +395,15 @@ void decode_psx_configurable(VGMSTREAMCHANNEL * stream, sample * outbuf, int cha
first_sample = first_sample % samples_per_frame;
if (first_sample & 1) { /* if restarting on a high nibble, read byte first */
byte = (uint8_t)read_8bit(stream->offset+(framesin*frame_size)+header_size+first_sample/2,stream->streamfile);
}
for (i = first_sample, sample_count = 0; i < first_sample + samples_to_do; i++, sample_count += channelspacing) {
sample = 0;
if (predict_nr < 5) {
if (i%2 != 1) { /* low nibble first */
if (!(i&1)) { /* low nibble first */
byte = (uint8_t)read_8bit(stream->offset+(framesin*frame_size)+header_size+i/2,stream->streamfile);
scale = (byte & 0x0f);
} else { /* high nibble last */