mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-13 15:21:04 +01:00
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
static STREAMFILE* setup_sps_streamfile(STREAMFILE *streamfile, off_t subfile_offset, size_t subfile_size, char* extension);
|
|
|
|
/* .SPS - Nippon Ichi's RIFF AT3 wrapper [ClaDun (PSP)] */
|
|
VGMSTREAM * init_vgmstream_sps_n1(STREAMFILE *streamFile) {
|
|
VGMSTREAM *vgmstream = NULL;
|
|
STREAMFILE *temp_streamFile = NULL;
|
|
int type, sample_rate;
|
|
off_t subfile_offset;
|
|
size_t subfile_size;
|
|
|
|
/* check extensions */
|
|
if ( !check_extensions(streamFile,"sps"))
|
|
goto fail;
|
|
|
|
/* mini header */
|
|
type = read_32bitLE(0x00,streamFile); //todo channels? all known VAG are mono and AT3 stereo
|
|
subfile_size = read_32bitLE(0x04,streamFile);
|
|
sample_rate = (uint16_t)read_16bitLE(0x08,streamFile);
|
|
/* 0x0a/0b: stereo+loop flags? */
|
|
//num_samples = read_32bitLE(0x0c,streamFile);
|
|
subfile_offset = 0x10;
|
|
|
|
/* init the VGMSTREAM */
|
|
switch(type) {
|
|
case 1: /* .vag */
|
|
temp_streamFile = setup_sps_streamfile(streamFile, subfile_offset, subfile_size, "vag");
|
|
if (!temp_streamFile) goto fail;
|
|
|
|
vgmstream = init_vgmstream_vag(temp_streamFile);
|
|
if (!vgmstream) goto fail;
|
|
break;
|
|
|
|
case 2: /* .at3 */
|
|
temp_streamFile = setup_sps_streamfile(streamFile, subfile_offset, subfile_size, "at3");
|
|
if (!temp_streamFile) goto fail;
|
|
|
|
vgmstream = init_vgmstream_riff(temp_streamFile);
|
|
if (!vgmstream) goto fail;
|
|
break;
|
|
default:
|
|
goto fail;
|
|
}
|
|
|
|
vgmstream->sample_rate = sample_rate; /* .vag header doesn't match */
|
|
|
|
close_streamfile(temp_streamFile);
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_streamfile(temp_streamFile);
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|
|
|
|
static STREAMFILE* setup_sps_streamfile(STREAMFILE *streamFile, off_t subfile_offset, size_t subfile_size, char* extension) {
|
|
STREAMFILE *temp_streamFile = NULL, *new_streamFile = NULL;
|
|
|
|
/* setup subfile */
|
|
new_streamFile = open_wrap_streamfile(streamFile);
|
|
if (!new_streamFile) goto fail;
|
|
temp_streamFile = new_streamFile;
|
|
|
|
new_streamFile = open_clamp_streamfile(temp_streamFile, subfile_offset,subfile_size);
|
|
if (!new_streamFile) goto fail;
|
|
temp_streamFile = new_streamFile;
|
|
|
|
new_streamFile = open_fakename_streamfile(temp_streamFile, NULL,extension);
|
|
if (!new_streamFile) goto fail;
|
|
temp_streamFile = new_streamFile;
|
|
|
|
return temp_streamFile;
|
|
|
|
fail:
|
|
close_streamfile(temp_streamFile);
|
|
return NULL;
|
|
}
|