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https://github.com/vgmstream/vgmstream.git
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69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
#include "meta.h"
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#include "../util.h"
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#include "../coding/coding.h"
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#include <string.h>
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/* .s14 and .sss - headerless siren14 stream (The Idolm@ster DS, Korogashi Puzzle Katamari Damacy DS) */
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VGMSTREAM * init_vgmstream_s14_sss(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset = 0;
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int channel_count, loop_flag = 0, interleave;
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/* check extension */
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if (check_extensions(streamFile,"sss")) {
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channel_count = 2;
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} else if (check_extensions(streamFile,"s14")) {
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channel_count = 1; //todo missing dual _0ch.s14 _1ch.s14, but dual_ext thing doesn't work properly with siren14 decoder
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} else {
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goto fail;
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}
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/* raw siren comes in 3 frame sizes, try to guess the correct one
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* (should try to decode and check the error flag but it isn't currently reported) */
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{
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char filename[PATH_LIMIT];
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streamFile->get_name(streamFile,filename,sizeof(filename));
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/* horrid but I ain't losing sleep over it (besides the header is often incrusted in-code as some tracks loop) */
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if (strstr(filename,"S037")==filename || strstr(filename,"b06")==filename || /* Korogashi Puzzle Katamari Damacy */
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strstr(filename,"_48kbps")!=NULL) /* Taiko no Tatsujin DS 1/2 */
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interleave = 0x78;
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else if (strstr(filename,"32700")==filename || /* Hottarake no Shima - Kanata to Nijiiro no Kagami */
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strstr(filename,"b0")==filename || strstr(filename,"puzzle")==filename || strstr(filename,"M09")==filename || /* Korogashi Puzzle Katamari Damacy */
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strstr(filename,"_32kbps")!=NULL) /* Taiko no Tatsujin DS 1/2 */
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interleave = 0x50;
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else
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interleave = 0x3c; /* The Idolm@ster - Dearly Stars */
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}
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->num_samples = get_streamfile_size(streamFile) / (interleave * channel_count) * (32000/50);
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vgmstream->sample_rate = 32768; /* maybe 32700? */
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vgmstream->meta_type = channel_count==1 ? meta_S14 : meta_SSS;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = interleave;
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{
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#ifdef VGM_USE_G7221
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vgmstream->coding_type = coding_G7221C;
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vgmstream->codec_data = init_g7221(vgmstream->channels, vgmstream->interleave_block_size);
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if (!vgmstream->codec_data) goto fail;
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#else
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goto fail;
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#endif
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}
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if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
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goto fail;
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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