mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 15:42:52 +01:00
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
#include "meta.h"
|
|
#include "../util.h"
|
|
|
|
/* NPFS - found in Namco PS2/PSP games:
|
|
* Tekken 5, Ace Combat 5, Yumeria, Venus & Braves (.nps), Ridge Racer PSP, etc
|
|
*/
|
|
VGMSTREAM * init_vgmstream_ps2_npsf(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
char filename[PATH_LIMIT];
|
|
|
|
int loop_flag=0;
|
|
int channel_count;
|
|
off_t start_offset;
|
|
int i;
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
if (strcasecmp("npsf",filename_extension(filename)) &&
|
|
strcasecmp("nps",filename_extension(filename)))
|
|
goto fail;
|
|
|
|
/* check NPSF Header */
|
|
if (read_32bitBE(0x00,streamFile) != 0x4E505346)
|
|
goto fail;
|
|
|
|
/* check loop */
|
|
loop_flag = (read_32bitLE(0x14,streamFile)!=0xFFFFFFFF);
|
|
channel_count=read_32bitLE(0x0C,streamFile);
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
/* fill in the vital statistics */
|
|
vgmstream->channels = read_32bitLE(0x0C,streamFile);
|
|
vgmstream->sample_rate = read_32bitLE(0x18,streamFile);
|
|
|
|
/* Check for Compression Scheme */
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->num_samples = read_32bitLE(0x08,streamFile)*28/16;
|
|
|
|
/* Get loop point values */
|
|
if(vgmstream->loop_flag) {
|
|
vgmstream->loop_start_sample = read_32bitLE(0x14,streamFile);
|
|
vgmstream->loop_end_sample = read_32bitLE(0x08,streamFile)*28/16;
|
|
}
|
|
|
|
vgmstream->interleave_block_size = read_32bitLE(0x04,streamFile)/2;
|
|
vgmstream->meta_type = meta_PS2_NPSF;
|
|
start_offset = (off_t)read_32bitLE(0x10,streamFile);
|
|
|
|
if (vgmstream->channels == 1) {
|
|
vgmstream->layout_type = layout_none;
|
|
} else {
|
|
vgmstream->layout_type = layout_interleave;
|
|
}
|
|
|
|
/* open the file for reading by each channel */
|
|
{
|
|
for (i=0;i<channel_count;i++) {
|
|
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,0x8000);
|
|
|
|
if (!vgmstream->ch[i].streamfile) goto fail;
|
|
|
|
vgmstream->ch[i].channel_start_offset=
|
|
vgmstream->ch[i].offset=
|
|
(off_t)(start_offset+vgmstream->interleave_block_size*i);
|
|
}
|
|
}
|
|
|
|
return vgmstream;
|
|
|
|
/* clean up anything we may have opened */
|
|
fail:
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|