mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 07:32:52 +01:00
679bd61da6
git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@804 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
#include "meta.h"
|
|
#include "../util.h"
|
|
|
|
/* XAU (Spectral Force Chronicle [SLPM-65967]) */
|
|
VGMSTREAM * init_vgmstream_ps2_xau(STREAMFILE *streamFile)
|
|
{
|
|
VGMSTREAM * vgmstream = NULL;
|
|
char filename[260];
|
|
off_t start_offset;
|
|
|
|
int loop_flag = 0;
|
|
int channel_count;
|
|
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
if (strcasecmp("xau",filename_extension(filename))) goto fail;
|
|
|
|
/* check header */
|
|
if (read_32bitBE(0x00,streamFile) != 0x58415500)
|
|
goto fail;
|
|
|
|
loop_flag = 0;
|
|
channel_count = read_8bit(0x18,streamFile);
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
/* fill in the vital statistics */
|
|
start_offset = 0x800;
|
|
|
|
vgmstream->channels = channel_count;
|
|
vgmstream->sample_rate = read_32bitBE(0x50, streamFile);
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->num_samples = ((read_32bitBE(0x4C, streamFile) * channel_count)/ 16 / channel_count * 28);
|
|
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = 0x8000;
|
|
vgmstream->meta_type = meta_PS2_XAU;
|
|
|
|
/* open the file for reading */
|
|
{
|
|
int i;
|
|
STREAMFILE * file;
|
|
|
|
file = streamFile->open(streamFile, filename, STREAMFILE_DEFAULT_BUFFER_SIZE);
|
|
|
|
if (!file) goto fail;
|
|
|
|
for (i=0;i<channel_count;i++)
|
|
{
|
|
vgmstream->ch[i].streamfile = file;
|
|
|
|
vgmstream->ch[i].channel_start_offset=
|
|
vgmstream->ch[i].offset=start_offset + vgmstream->interleave_block_size * i;
|
|
|
|
}
|
|
}
|
|
|
|
return vgmstream;
|
|
|
|
/* clean up anything we may have opened */
|
|
fail:
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
|
return NULL;
|
|
} |