mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 09:55:53 +01:00
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../util.h"
|
||
|
|
|
||
|
|
/* .RXW - presumably fake header for split files with joint XWH+XWB (has incorrect chunk sizes) */
|
||
|
|
VGMSTREAM * init_vgmstream_ps2_rxw(STREAMFILE *streamFile) {
|
||
|
|
VGMSTREAM * vgmstream = NULL;
|
||
|
|
int loop_flag=0, channel_count;
|
||
|
|
off_t start_offset;
|
||
|
|
|
||
|
|
/* check extension, case insensitive */
|
||
|
|
if (!check_extensions(streamFile,"rxw")) goto fail;
|
||
|
|
|
||
|
|
/* check RXWS/FORM Header */
|
||
|
|
if (!((read_32bitBE(0x00,streamFile) == 0x52585753) &&
|
||
|
|
(read_32bitBE(0x10,streamFile) == 0x464F524D)))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
loop_flag = (read_32bitLE(0x3C,streamFile)!=0xFFFFFFFF);
|
||
|
|
channel_count=2; /* Always stereo files */
|
||
|
|
|
||
|
|
/* build the VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
vgmstream->sample_rate = read_32bitLE(0x2E,streamFile);
|
||
|
|
vgmstream->num_samples = (read_32bitLE(0x38,streamFile)*28/16)/2;
|
||
|
|
|
||
|
|
/* Get loop point values */
|
||
|
|
if(vgmstream->loop_flag) {
|
||
|
|
vgmstream->loop_start_sample = read_32bitLE(0x3C,streamFile)/16*14;
|
||
|
|
vgmstream->loop_end_sample = read_32bitLE(0x38,streamFile)/16*14;
|
||
|
|
}
|
||
|
|
|
||
|
|
vgmstream->interleave_block_size = read_32bitLE(0x1c,streamFile)+0x10;
|
||
|
|
vgmstream->coding_type = coding_PSX;
|
||
|
|
vgmstream->layout_type = layout_interleave;
|
||
|
|
vgmstream->meta_type = meta_PS2_RXWS;
|
||
|
|
start_offset = 0x40;
|
||
|
|
|
||
|
|
/* open the file for reading */
|
||
|
|
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
return vgmstream;
|
||
|
|
|
||
|
|
fail:
|
||
|
|
close_vgmstream(vgmstream);
|
||
|
|
return NULL;
|
||
|
|
}
|