vgmstream/src/meta/diva.c

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#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, loop_flag = 0;
/* 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);
/* 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->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;
}