vgmstream/src/meta/s14_sss.c

67 lines
2.4 KiB
C

#include "meta.h"
#include "../util.h"
#include "../coding/coding.h"
#include <string.h>
/* .s14 and .sss - headerless siren14 stream (The Idolm@ster DS, Korogashi Puzzle Katamari Damacy DS) */
VGMSTREAM * init_vgmstream_s14_sss(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset = 0;
int channel_count, loop_flag = 0, interleave;
/* check extension */
if (check_extensions(streamFile,"sss")) {
channel_count = 2;
} else if (check_extensions(streamFile,"s14")) {
channel_count = 1; //todo missing dual _0ch.s14 _1ch.s14, but dual_ext thing doesn't work properly with siren14 decoder
} else {
goto fail;
}
/* raw siren comes in 3 frame sizes, try to guess the correct one
* (should try to decode and check the error flag but it isn't currently reported) */
{
char filename[PATH_LIMIT];
streamFile->get_name(streamFile,filename,sizeof(filename));
/* horrid but I ain't losing sleep over it (besides the header must be somewhere as some tracks loop) */
if (strstr(filename,"S037")==filename || strstr(filename,"b06")==filename) /* Korogashi Puzzle Katamari Damacy */
interleave = 0x78;
else if (strstr(filename,"32700")==filename || /* Hottarake no Shima - Kanata to Nijiiro no Kagami */
(strstr(filename,"b0")==filename || strstr(filename,"puzzle")==filename || strstr(filename,"M09")==filename) ) /* Korogashi Puzzle Katamari Damacy */
interleave = 0x50;
else
interleave = 0x3c; /* The Idolm@ster - Dearly Stars */
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->num_samples = get_streamfile_size(streamFile) / (interleave * channel_count) * (32000/50);
vgmstream->sample_rate = 32768; /* maybe 32700? */
vgmstream->meta_type = channel_count==1 ? meta_S14 : meta_SSS;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
{
#ifdef VGM_USE_G7221
vgmstream->coding_type = coding_G7221C;
vgmstream->codec_data = init_g7221(vgmstream->channels, vgmstream->interleave_block_size);
if (!vgmstream->codec_data) goto fail;
#else
goto fail;
#endif
}
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}