mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 09:55:53 +01:00
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* .DSF - from Ocean game(s?) [Last Rites (PC)] */
|
|
VGMSTREAM * init_vgmstream_dsf(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channel_count, sample_rate;
|
|
size_t data_size;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(streamFile, "dsf"))
|
|
goto fail;
|
|
|
|
if (read_32bitBE(0x00,streamFile) != 0x4F434541 && /* "OCEA" */
|
|
read_32bitBE(0x00,streamFile) != 0x4E204453 && /* "N DS" */
|
|
read_32bitBE(0x00,streamFile) != 0x41000000) /* "A\0\0\0" */
|
|
goto fail;
|
|
|
|
/* 0x10(2): always 1? */
|
|
/* 0x12(4): total nibbles / 0x10? */
|
|
/* 0x16(4): always 0? */
|
|
start_offset = read_32bitLE(0x1a,streamFile);
|
|
sample_rate = read_32bitLE(0x1e,streamFile);
|
|
channel_count = read_32bitLE(0x22,streamFile) + 1;
|
|
data_size = get_streamfile_size(streamFile) - start_offset;
|
|
loop_flag = 0;
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_DSF;
|
|
vgmstream->sample_rate = sample_rate;
|
|
vgmstream->num_samples = ((data_size / 0x08 / channel_count) * 14); /* bytes-to-samples */
|
|
vgmstream->coding_type = coding_DSA;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = 0x08;
|
|
|
|
read_string(vgmstream->stream_name,0x20+1, 0x26,streamFile);
|
|
|
|
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|