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change channelMultiplier to num_layers

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This commit is contained in:
bxaimc 2019-03-21 19:18:26 -04:00
parent e6208351d4
commit e994af85ab
1 changed files with 7 additions and 7 deletions
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14
src/meta/ktss.c
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@ -4,7 +4,7 @@
VGMSTREAM * init_vgmstream_ktss(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
int loop_flag, channel_count;
int8_t version, channelMultiplier, codec_id;
int8_t version, num_layers, codec_id;
int32_t loop_length, coef_start_offset, coef_spacing;
off_t start_offset;
size_t data_size, skip = 0;
@ -19,14 +19,14 @@ VGMSTREAM * init_vgmstream_ktss(STREAMFILE *streamFile) {
loop_length = read_32bitLE(0x38, streamFile);
loop_flag = loop_length > 0;
// For reasons unknown, a channel multiplier exists in Hyrule Warriors (Switch)
// It seems to be present in other Koei Tecmo KNS but the channel count was always
// explicitly defined in the 0x29 byte. Here, 10 channel files have '2' in 0x29*
// and '5' in 0x28 whereas previous titles usually contained '1'
// A layered stream/track model seems to be used in Hyrule Warriors (Switch).
// It's also present in other Koei Tecmo KNS but the channel count was always
// explicitly defined in the 0x29 byte and the number of layers was set to 1.
// Here, 10 channel files are set up with 2 channels in 5 layers.
// Super hacky on KT's part and ours to implement but it works.
channelMultiplier = read_8bit(0x28, streamFile);
num_layers = read_8bit(0x28, streamFile);
channel_count = read_8bit(0x29, streamFile) * channelMultiplier;
channel_count = read_8bit(0x29, streamFile) * num_layers;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);