Cool_Tools/vgmstream
1
0
Fork 0
mirror of https://github.com/vgmstream/vgmstream.git synced 2025-01-30 11:57:27 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add PS3 IVAG meta, oops missed a file.

Browse Source 
git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@978 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
snakemeat 2012-04-14 16:48:57 +00:00
parent 70df3651fa
commit 230eff72e6
1 changed files with 86 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
src/meta/ps3_ivag.c Normal file
View File

@ -0,0 +1,86 @@
#include "meta.h"
#include "../util.h"
/* IVAG
- The Idolm@ster: Gravure For You! Vol. 3 (PS3)
Appears to be two VAGp streams interleaved.
*/
VGMSTREAM * init_vgmstream_ps3_ivag(STREAMFILE *streamFile)
{
VGMSTREAM * vgmstream = NULL;
char filename[260];
size_t fileLength;
off_t readOffset = 0;
off_t start_offset;
int loop_flag = 0;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("ivag",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x49564147) // "IVAG"
goto fail;
// channel count
channel_count = read_32bitBE(0x08, streamFile);
// header size
start_offset = 0x40 + (0x40 * channel_count);
// loop flag
if ((read_32bitBE(0x14, streamFile) != 0 ||
(read_32bitBE(0x18, streamFile) != 0)))
{
loop_flag = 1;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x0C,streamFile);
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = read_32bitBE(0x10,streamFile);
if (loop_flag)
{
vgmstream->loop_start_sample = read_32bitBE(0x14,streamFile);
vgmstream->loop_end_sample = read_32bitBE(0x18,streamFile);
}
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitBE(0x1C,streamFile);
vgmstream->meta_type = meta_PS3_IVAG;
/* 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;
}