mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 07:32:52 +01:00
1d9a1e9579
.psw added .rkv added .vas added .changes in .rsd git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@372 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
#include "meta.h"
|
|
#include "../util.h"
|
|
|
|
/* MUSX (from Spyro, possibly more Vivendi games) */
|
|
VGMSTREAM * init_vgmstream_musx(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
char filename[260];
|
|
off_t start_offset;
|
|
|
|
/*int musx_version;*/ /* 0x08 provides a "version" byte??? */
|
|
int musx_type;
|
|
int loop_flag = 0;
|
|
int channel_count;
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
if (strcasecmp("musx",filename_extension(filename))) goto fail;
|
|
|
|
/* check header */
|
|
if (read_32bitBE(0x00,streamFile) != 0x4D555358) /* "MUSX" */
|
|
goto fail;
|
|
|
|
loop_flag = (read_32bitLE(0x840,streamFile)!=0xFFFFFFFF);
|
|
channel_count = 2;
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
/* fill in the vital statistics */
|
|
musx_type=(read_32bitBE(0x10,streamFile));
|
|
|
|
switch (musx_type) {
|
|
case 0x5053325F: /* PS2_ */
|
|
start_offset = read_32bitLE(0x28,streamFile);
|
|
vgmstream->channels = channel_count;
|
|
vgmstream->sample_rate = 32000;
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->num_samples = (read_32bitLE(0x0C,streamFile))*28/16/channel_count;;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = 0x80;
|
|
vgmstream->meta_type = meta_MUSX;
|
|
if (loop_flag) {
|
|
vgmstream->loop_start_sample = (read_32bitLE(0x890,streamFile))*28/16/channel_count;
|
|
vgmstream->loop_end_sample = (read_32bitLE(0x89C,streamFile))*28/16/channel_count;
|
|
}
|
|
|
|
|
|
|
|
|
|
break;
|
|
default:
|
|
goto fail;
|
|
|
|
}
|
|
|
|
/* 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;
|
|
}
|