mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-24 12:24:50 +01:00
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../coding/coding.h"
|
||
|
|
|
||
|
|
/* AHV - from Amuze games [Headhunter (PS2)] */
|
||
|
|
VGMSTREAM * init_vgmstream_ahv(STREAMFILE *streamFile) {
|
||
|
|
VGMSTREAM * vgmstream = NULL;
|
||
|
|
off_t start_offset;
|
||
|
|
size_t data_size, channel_size, interleave;
|
||
|
|
int loop_flag, channel_count;
|
||
|
|
|
||
|
|
|
||
|
|
/* checks (.ahv: from names in bigfile) */
|
||
|
|
if ( !check_extensions(streamFile,"ahv") )
|
||
|
|
goto fail;
|
||
|
|
if (read_32bitBE(0x00,streamFile) != 0x41485600) /* "AHV\0" */
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
start_offset = 0x800;
|
||
|
|
data_size = get_streamfile_size(streamFile) - start_offset;
|
||
|
|
interleave = read_32bitLE(0x10,streamFile);
|
||
|
|
channel_count = (interleave != 0) ? 2 : 1;
|
||
|
|
channel_size = read_32bitLE(0x08,streamFile);
|
||
|
|
loop_flag = 0;
|
||
|
|
/* VAGp header after 0x14 */
|
||
|
|
|
||
|
|
|
||
|
|
/* build the VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
vgmstream->meta_type = meta_AHV;
|
||
|
|
vgmstream->sample_rate = read_32bitLE(0x0c,streamFile);
|
||
|
|
vgmstream->num_samples = ps_bytes_to_samples(channel_size,1);
|
||
|
|
|
||
|
|
vgmstream->coding_type = coding_PSX;
|
||
|
|
vgmstream->layout_type = layout_interleave;
|
||
|
|
vgmstream->interleave_block_size = interleave;
|
||
|
|
if (interleave)
|
||
|
|
vgmstream->interleave_last_block_size = (data_size % (interleave*channel_count)) / channel_count;
|
||
|
|
|
||
|
|
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
|
||
|
|
goto fail;
|
||
|
|
return vgmstream;
|
||
|
|
|
||
|
|
fail:
|
||
|
|
close_vgmstream(vgmstream);
|
||
|
|
return NULL;
|
||
|
|
}
|