mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-24 04:14:50 +01:00
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* NXAP - Nex Entertainment header [Time Crisis 4 (PS3), Time Crisis Razing Storm (PS3)] */
|
|
VGMSTREAM * init_vgmstream_nxap(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channel_count;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(streamFile, "adp"))
|
|
goto fail;
|
|
if (read_32bitBE(0x00,streamFile) != 0x4E584150) /* "NXAP" */
|
|
goto fail;
|
|
if (read_32bitLE(0x14,streamFile) != 0x40 || /* expected frame size? */
|
|
read_32bitLE(0x18,streamFile) != 0x40) /* expected interleave? */
|
|
goto fail;
|
|
|
|
start_offset = read_32bitLE(0x04,streamFile);
|
|
channel_count = read_32bitLE(0x0c,streamFile);
|
|
loop_flag = (read_32bitLE(0x24,streamFile) > 0);
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->sample_rate = read_32bitLE(0x10, streamFile);
|
|
vgmstream->num_samples = read_32bitLE(0x1c,streamFile) * (0x40-0x04)*2 / channel_count; /* number of frames */
|
|
|
|
/* in channel blocks, also 0x28/2c values seem related */
|
|
vgmstream->loop_start_sample = read_32bitLE(0x20,streamFile) * (0x40-0x04)*2;
|
|
vgmstream->loop_end_sample = read_32bitLE(0x24,streamFile) * (0x40-0x04)*2;
|
|
|
|
vgmstream->meta_type = meta_NXAP;
|
|
vgmstream->coding_type = coding_NXAP;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = 0x40;
|
|
|
|
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|