mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 18:05:52 +01:00
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* .zwv - from Namco games [THE iDOLM@STER Shiny TV (PS3)] */
|
|
VGMSTREAM* init_vgmstream_zwv(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
STREAMFILE* temp_sf = NULL;
|
|
off_t subfile_offset;
|
|
size_t subfile_size;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(sf,"zwv"))
|
|
goto fail;
|
|
if (read_u32be(0x00,sf) != 0x77617665) /* "wave" */
|
|
goto fail;
|
|
|
|
/* has a mini header then a proper MSF:
|
|
* 0x04: null
|
|
* 0x08: null
|
|
* 0x0c: version/config? (0x06040000)
|
|
* 0x10: version/config? (0x00030210)
|
|
* 0x14: sample rate
|
|
* 0x18: ? (related to sample rate)
|
|
* 0x1c: null
|
|
* 0x20: data offset
|
|
* 0x24: data size
|
|
* 0x28: loop flag (0x30+ is removed if no loop)
|
|
* 0x2c: ? (related to loop, or null)
|
|
* 0x30: null
|
|
* 0x30: loop start offset (same as MSF)
|
|
* 0x30: loop end offset (same as MSF start+length)
|
|
* 0x3c: null
|
|
*/
|
|
|
|
subfile_offset = read_u32be(0x20, sf) - 0x40;
|
|
subfile_size = read_u32be(0x24, sf) + 0x40;
|
|
|
|
temp_sf = setup_subfile_streamfile(sf, subfile_offset, subfile_size, "msf");
|
|
if (!temp_sf) goto fail;
|
|
|
|
vgmstream = init_vgmstream_msf(temp_sf);
|
|
if (!vgmstream) goto fail;
|
|
|
|
close_streamfile(temp_sf);
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_streamfile(temp_sf);
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|