mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 23:52:53 +01:00
112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../util.h"
|
||
|
|
|
||
|
|
//#include <windows.h>
|
||
|
|
//#include <tchar.h>
|
||
|
|
|
||
|
|
/* VBK (from Disney's Stitch - Experiment 626) */
|
||
|
|
|
||
|
|
VGMSTREAM * init_vgmstream_ps2_vbk(STREAMFILE *streamFile)
|
||
|
|
{
|
||
|
|
VGMSTREAM * vgmstream = NULL;
|
||
|
|
char filename[PATH_LIMIT];
|
||
|
|
off_t start_offset;
|
||
|
|
uint8_t testBuffer[0x10];
|
||
|
|
off_t loopStart = 0;
|
||
|
|
off_t loopEnd = 0;
|
||
|
|
off_t readOffset = 0;
|
||
|
|
size_t fileLength;
|
||
|
|
int loop_flag;
|
||
|
|
int channel_count;
|
||
|
|
|
||
|
|
//_TCHAR szBuffer[100];
|
||
|
|
|
||
|
|
/* check extension, case insensitive */
|
||
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
||
|
|
if (strcasecmp("vbk",filename_extension(filename))) goto fail;
|
||
|
|
|
||
|
|
/* check header */
|
||
|
|
if (read_32bitBE(0x00,streamFile) != 0x2E56424B) /* .VBK */
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
loop_flag = 1;
|
||
|
|
channel_count = read_32bitLE(0x28,streamFile) + 1;
|
||
|
|
|
||
|
|
//_stprintf(szBuffer, _T("%x"), channel_count);
|
||
|
|
//MessageBox(NULL, szBuffer, _T("Foo"), MB_OK);
|
||
|
|
|
||
|
|
/* build the VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
/* fill in the vital statistics */
|
||
|
|
fileLength = get_streamfile_size(streamFile);
|
||
|
|
start_offset = read_32bitLE(0x0C, streamFile);
|
||
|
|
vgmstream->channels = channel_count;
|
||
|
|
vgmstream->sample_rate = read_32bitLE(0x20,streamFile);
|
||
|
|
vgmstream->coding_type = coding_PSX;
|
||
|
|
vgmstream->num_samples = (fileLength - start_offset)*28/16/channel_count;
|
||
|
|
|
||
|
|
// get loop start
|
||
|
|
do {
|
||
|
|
|
||
|
|
readOffset+=(off_t)read_streamfile(testBuffer,readOffset,0x10,streamFile);
|
||
|
|
|
||
|
|
if(testBuffer[0x01]==0x06)
|
||
|
|
{
|
||
|
|
loopStart = readOffset-0x10;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
} while (streamFile->get_offset(streamFile)<(int32_t)fileLength);
|
||
|
|
|
||
|
|
|
||
|
|
// get loop end
|
||
|
|
readOffset = fileLength - 0x10;
|
||
|
|
|
||
|
|
do {
|
||
|
|
readOffset-=(off_t)read_streamfile(testBuffer,readOffset,0x10,streamFile);
|
||
|
|
|
||
|
|
/* Loop End */
|
||
|
|
if(testBuffer[0x01]==0x03)
|
||
|
|
{
|
||
|
|
loopEnd = readOffset-0x10;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} while (readOffset > 0);
|
||
|
|
|
||
|
|
loop_flag = 1;
|
||
|
|
vgmstream->loop_start_sample = (loopStart-start_offset)*28/16/channel_count;
|
||
|
|
vgmstream->loop_end_sample = (loopEnd-start_offset)*28/16/channel_count;
|
||
|
|
|
||
|
|
vgmstream->layout_type = layout_interleave;
|
||
|
|
vgmstream->interleave_block_size = read_32bitLE(0x24,streamFile);
|
||
|
|
vgmstream->meta_type = meta_PS2_VBK;
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
}
|
||
|
|
|