mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-25 21:04:52 +01:00
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../coding/coding.h"
|
||
|
|
|
||
|
|
/* VAS - Manhunt 2 [PSP] */
|
||
|
|
VGMSTREAM* init_vgmstream_rstm_rockstar(STREAMFILE* sf) {
|
||
|
|
VGMSTREAM* vgmstream = NULL;
|
||
|
|
off_t stream_offset;
|
||
|
|
size_t stream_size;
|
||
|
|
int sample_rate, channels, loop_flag = 0;
|
||
|
|
|
||
|
|
|
||
|
|
/* checks */
|
||
|
|
|
||
|
|
/* VAGs: v1, used in prerelease builds
|
||
|
|
* 2AGs: v2, used in the final release */
|
||
|
|
if (!is_id32be(0x00, sf, "VAGs") && !is_id32be(0x00, sf, "2AGs"))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
if (!check_extensions(sf, "vas"))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
stream_size = read_u32le(0x04, sf);
|
||
|
|
sample_rate = read_u16le(0x08, sf);
|
||
|
|
/* read_u8(0x0C, sf); // interleave size * 0x10? never used, always mono */
|
||
|
|
channels = read_u8(0x0B, sf);
|
||
|
|
if (channels != 1) goto fail;
|
||
|
|
|
||
|
|
stream_offset = 0x0C;
|
||
|
|
/* offset by 32 bytes for v2, stream name field? always empty in Manhunt 2 */
|
||
|
|
if (is_id32be(0x00, sf, "2AGs"))
|
||
|
|
stream_offset += 0x20;
|
||
|
|
|
||
|
|
/* might conflict with the standard VAG otherwise */
|
||
|
|
if (stream_size + stream_offset != get_streamfile_size(sf))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
|
||
|
|
/* build the VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(channels, loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
vgmstream->meta_type = meta_VAS;
|
||
|
|
vgmstream->coding_type = coding_PSX;
|
||
|
|
vgmstream->layout_type = layout_none;
|
||
|
|
vgmstream->sample_rate = sample_rate;
|
||
|
|
vgmstream->stream_size = stream_size;
|
||
|
|
vgmstream->interleave_block_size = 0;
|
||
|
|
vgmstream->num_samples = ps_bytes_to_samples(stream_size, channels);
|
||
|
|
|
||
|
|
if (!vgmstream_open_stream(vgmstream, sf, stream_offset))
|
||
|
|
goto fail;
|
||
|
|
return vgmstream;
|
||
|
|
|
||
|
|
fail:
|
||
|
|
close_vgmstream(vgmstream);
|
||
|
|
return NULL;
|
||
|
|
}
|