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Add opus support for Prototype games [Clannad (Switch)]

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This commit is contained in:
bxaimc 2019-07-06 22:30:11 -04:00
parent 9bae582a24
commit 996d8a3545
3 changed files with 30 additions and 0 deletions
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2
src/meta/meta.h
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@ -856,4 +856,6 @@ VGMSTREAM * init_vgmstream_fsb5_fev_bank(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_bwav(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_opus_prototype(STREAMFILE * streamFile);
#endif /*_META_H*/

27
src/meta/opus.c
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@ -341,3 +341,30 @@ VGMSTREAM * init_vgmstream_opus_opusx(STREAMFILE *streamFile) {
fail:
return NULL;
}
/* Prototype variation [Clannad (Switch)] */
VGMSTREAM * init_vgmstream_opus_prototype(STREAMFILE *streamFile) {
off_t offset = 0;
int num_samples = 0, loop_start = 0, loop_end = 0, loop_flag;
/* checks */
if (!check_extensions(streamFile, "opus,lopus"))
goto fail;
if (read_32bitBE(0x00, streamFile) != 0x4F505553 || /* "OPUS" */
read_32bitBE(0x18, streamFile) != 0x01000080)
goto fail;
offset = 0x18;
num_samples = read_32bitLE(0x08, streamFile);
/* Check if there's a loop end value to determine loop_flag*/
loop_flag = read_32bitLE(0x10, streamFile);
if (loop_flag) {
loop_start = read_32bitLE(0x0C, streamFile);
loop_end = read_32bitLE(0x10, streamFile);
}
return init_vgmstream_opus(streamFile, meta_OPUS, offset, num_samples, loop_start, loop_end);
fail:
return NULL;
}

1
src/vgmstream.c
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@ -481,6 +481,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
init_vgmstream_9tav,
init_vgmstream_fsb5_fev_bank,
init_vgmstream_bwav,
init_vgmstream_opus_prototype,
/* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
init_vgmstream_txth, /* proper parsers should supersede TXTH, once added */