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Fix silent downmixing in rare cases

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bnnm 2025-01-18 12:26:20 +01:00
parent c7eb984f6c
commit 6e86f78900
2 changed files with 6 additions and 7 deletions
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4
src/meta/ktsr.c
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@ -157,7 +157,7 @@ static VGMSTREAM* init_vgmstream_ktsr_internal(STREAMFILE* sf, bool is_srsa) {
const char* ext;
switch(ktsr.codec) {
case RIFF_ATRAC9: init_vgmstream = init_vgmstream_riff; ext = "at9"; break; // Nioh (PS4)
case KOVS: init_vgmstream = init_vgmstream_ogg_vorbis; ext = "kvs"; break; // Nioh (PC)
case KOVS: init_vgmstream = init_vgmstream_ogg_vorbis; ext = "kvs"; break; // Nioh (PC), Fairy Tail 2 (PC)
case KTSS: init_vgmstream = init_vgmstream_ktss; ext = "ktss"; break; //
case KTAC: init_vgmstream = init_vgmstream_ktac; ext = "ktac"; break; // Blue Reflection Tie (PS4)
case KA1A: init_vgmstream = init_vgmstream_ka1a; ext = "ka1a"; break; // Dynasty Warriors Origins (PC)
@ -466,7 +466,7 @@ static bool parse_ktsr_subfile(ktsr_header* ktsr, STREAMFILE* sf, uint32_t offse
* 18 num samples
* 1c null or 0x100?
* 20 loop start or -1 (loop end is num samples)
* 24 channel layout or null
* 24 null or channel layout (for 1 track in case of multi-track streams))
* 28 header offset (within subfile)
* 2c header size [B, C]
* 30 offset to data start offset [A, C] or to data start+size [B]

9
src/vgmstream.c
View File

@ -82,13 +82,12 @@ bool prepare_vgmstream(VGMSTREAM* vgmstream, STREAMFILE* sf) {
}
#endif
/* some players are picky with incorrect channel layouts */
/* some players are picky with incorrect channel layouts (also messes ups downmixing calcs) */
if (vgmstream->channel_layout > 0) {
int output_channels = vgmstream->channels;
int count = 0, max_ch = 32;
for (int ch = 0; ch < max_ch; ch++) {
int bit = (vgmstream->channel_layout >> ch) & 1;
if (ch > 17 && bit) {
if (ch > 17 && bit) { // unknown past 16
VGM_LOG("VGMSTREAM: wrong bit %i in channel_layout %x\n", ch, vgmstream->channel_layout);
vgmstream->channel_layout = 0;
break;
@ -96,8 +95,8 @@ bool prepare_vgmstream(VGMSTREAM* vgmstream, STREAMFILE* sf) {
count += bit;
}
if (count > output_channels) {
VGM_LOG("VGMSTREAM: wrong totals %i in channel_layout %x\n", count, vgmstream->channel_layout);
if (count != vgmstream->channels) {
VGM_LOG("VGMSTREAM: ignored mismatched channel_layout %04x, uses %i vs %i channels\n", vgmstream->channel_layout, count, vgmstream->channels);
vgmstream->channel_layout = 0;
}
}