mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-22 03:15:54 +01:00
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include "meta.h"
|
|
#include "../layout/layout.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* .VS - from Melbourne House games [Men in Black II (PS2), Grand Prix Challenge (PS2) */
|
|
VGMSTREAM* init_vgmstream_vs(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channels;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(sf, "vs"))
|
|
goto fail;
|
|
if (read_u32be(0x00,sf) != 0xC8000000)
|
|
goto fail;
|
|
|
|
loop_flag = 0;
|
|
channels = 2;
|
|
start_offset = 0x08;
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channels,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_VS;
|
|
vgmstream->sample_rate = read_s32le(0x04,sf);
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->layout_type = layout_blocked_vs;
|
|
|
|
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
|
|
goto fail;
|
|
|
|
/* calc num_samples */
|
|
{
|
|
vgmstream->next_block_offset = start_offset;
|
|
do {
|
|
block_update(vgmstream->next_block_offset,vgmstream);
|
|
vgmstream->num_samples += ps_bytes_to_samples(vgmstream->current_block_size, 1);
|
|
}
|
|
while (vgmstream->next_block_offset < get_streamfile_size(sf));
|
|
block_update(start_offset, vgmstream);
|
|
|
|
}
|
|
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|