vgmstream/src/meta/dsb.c

55 lines
1.3 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* .dsb - from Namco games [Taiko no Tatsujin DS: Dororon! Yokai Daikessen!! (DS)] */
VGMSTREAM* init_vgmstream_dsb(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
STREAMFILE* temp_sf = NULL;
off_t subfile_offset;
size_t subfile_size;
/* checks */
if (!check_extensions(sf,"dsb"))
goto fail;
if (read_u32be(0x00,sf) != 0x44535342) /* "DSSB" */
goto fail;
if (read_u32be(0x40,sf) != 0x44535354) /* "DSST" */
goto fail;
/* - DDSB:
* 0x04: chunk size
* 0x08: file name
* 0x14: sample rate
* 0x18: v01?
* 0x1c: file size
* 0x20: DSST offset
*
* - DDST:
* 0x44: chunk size
* 0x48: file name
* 0x58: small signed number?
* 0x5c: data size (with padding)
* 0x60: small signed number?
* 0x64: ?
* rest: null
*/
subfile_offset = 0x80;
subfile_size = read_u32be(0x80 + 0x04, sf) + 0x08; /* files are padded so use BNSF */
temp_sf = setup_subfile_streamfile(sf, subfile_offset, subfile_size, "bnsf");
if (!temp_sf) goto fail;
vgmstream = init_vgmstream_bnsf(temp_sf);
if (!vgmstream) goto fail;
close_streamfile(temp_sf);
return vgmstream;
fail:
close_streamfile(temp_sf);
close_vgmstream(vgmstream);
return NULL;
}