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Merge pull request #372 from bxaimc/master

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KTSS/KNS Opus
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Christopher Snowhill 2019-03-22 21:24:52 -07:00 committed by GitHub
commit 3e556458ad
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1 changed files with 52 additions and 30 deletions
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78
src/meta/ktss.c
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@ -4,10 +4,10 @@
VGMSTREAM * init_vgmstream_ktss(STREAMFILE *streamFile) { VGMSTREAM * init_vgmstream_ktss(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL; VGMSTREAM * vgmstream = NULL;
int loop_flag, channel_count; int loop_flag, channel_count;
int8_t version; int8_t version, num_layers, codec_id;
int32_t loop_length, coef_start_offset, coef_spacing; int32_t loop_length, coef_start_offset, coef_spacing;
off_t start_offset; off_t start_offset;
int8_t channelMultiplier; size_t data_size, skip = 0;
if (!check_extensions(streamFile, "kns,ktss")) if (!check_extensions(streamFile, "kns,ktss"))
goto fail; goto fail;
@ -15,6 +15,33 @@ VGMSTREAM * init_vgmstream_ktss(STREAMFILE *streamFile) {
if (read_32bitBE(0, streamFile) != 0x4B545353) /* "KTSS" */ if (read_32bitBE(0, streamFile) != 0x4B545353) /* "KTSS" */
goto fail; goto fail;
codec_id = read_8bit(0x20, streamFile);
loop_length = read_32bitLE(0x38, streamFile);
loop_flag = loop_length > 0;
// 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.
num_layers = read_8bit(0x28, streamFile);
channel_count = read_8bit(0x29, streamFile) * num_layers;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitLE(0x30, streamFile);
vgmstream->sample_rate = read_32bitLE(0x2c, streamFile);
vgmstream->loop_start_sample = read_32bitLE(0x34, streamFile);
vgmstream->loop_end_sample = vgmstream->loop_start_sample + loop_length;
vgmstream->meta_type = meta_KTSS;
start_offset = read_32bitLE(0x24, streamFile) + 0x20;
switch (codec_id) {
case 0x2: /* DSP ADPCM - Hyrule Warriors, Fire Emblem Warriors, and other Koei Tecmo games */
/* check type details */ /* check type details */
version = read_8bit(0x22, streamFile); version = read_8bit(0x22, streamFile);
if (version == 1) { if (version == 1) {
@ -28,36 +55,31 @@ VGMSTREAM * init_vgmstream_ktss(STREAMFILE *streamFile) {
else else
goto fail; goto fail;
loop_length = read_32bitLE(0x38, streamFile);
loop_flag = loop_length > 0;
// For unknown reasons, a channel multiplier is necessary 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'
// This is super meh on KT's part but whatever
channelMultiplier = read_8bit(0x28, streamFile);
channel_count = read_8bit(0x29, streamFile) * channelMultiplier;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitLE(0x30, streamFile);
vgmstream->sample_rate = (uint16_t)read_16bitLE(0x2c, streamFile);
vgmstream->loop_start_sample = read_32bitLE(0x34, streamFile);
vgmstream->loop_end_sample = vgmstream->loop_start_sample + loop_length;
vgmstream->coding_type = coding_NGC_DSP; vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave; vgmstream->layout_type = layout_interleave;
vgmstream->meta_type = meta_KTSS;
vgmstream->interleave_block_size = 0x8; vgmstream->interleave_block_size = 0x8;
dsp_read_coefs_le(vgmstream, streamFile, coef_start_offset, coef_spacing); dsp_read_coefs_le(vgmstream, streamFile, coef_start_offset, coef_spacing);
start_offset = read_32bitLE(0x24, streamFile) + 0x20; break;
#ifdef VGM_USE_FFMPEG
case 0x9: /* Opus - Dead or Alive Xtreme 3: Scarlet */
data_size = read_32bitLE(0x44, streamFile);
{
vgmstream->codec_data = init_ffmpeg_switch_opus(streamFile, start_offset, data_size, vgmstream->channels, skip, vgmstream->sample_rate);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
if (vgmstream->num_samples == 0) {
vgmstream->num_samples = switch_opus_get_samples(start_offset, data_size, streamFile) - skip;
}
}
break;
default:
goto fail;
#endif
}
if (!vgmstream_open_stream(vgmstream, streamFile, start_offset)) if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
goto fail; goto fail;