mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-24 04:14:50 +01:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* DIVA - Hatsune Miku: Project DIVA Arcade */
|
|
VGMSTREAM * init_vgmstream_diva(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset;
|
|
int channel_count;
|
|
int loop_end;
|
|
int loop_flag;
|
|
|
|
/* checks */
|
|
if (!check_extensions(streamFile, "diva"))
|
|
goto fail;
|
|
|
|
if (read_32bitBE(0x00, streamFile) != 0x44495641) /* "DIVA" */
|
|
goto fail;
|
|
|
|
start_offset = 0x40;
|
|
channel_count = read_8bit(0x1C, streamFile);
|
|
loop_end = read_32bitLE(0x18, streamFile);
|
|
|
|
loop_flag = (loop_end != 0);
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->sample_rate = read_32bitLE(0x0C, streamFile);
|
|
vgmstream->num_samples = read_32bitLE(0x10, streamFile);
|
|
vgmstream->loop_start_sample = read_32bitLE(0x14, streamFile);
|
|
vgmstream->loop_end_sample = loop_end;
|
|
vgmstream->meta_type = meta_DIVA;
|
|
vgmstream->layout_type = layout_none;
|
|
vgmstream->coding_type = coding_DVI_IMA;
|
|
|
|
if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
|
|
goto fail;
|
|
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
} |