vgmstream/src/meta/ezw.c
2017-11-21 21:30:48 -05:00

42 lines
1.1 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* EZWAVE - EZ2DJ (Arcade) */
VGMSTREAM * init_vgmstream_ezw(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, data_size;
int loop_flag, channel_count;
/* check extension, case insensitive */
if ( !check_extensions(streamFile,"ezw"))
goto fail;
loop_flag = 0;
channel_count = read_8bit(0x0, streamFile);
data_size = read_32bitLE(0xE,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
start_offset = 0x12;
vgmstream->sample_rate = read_32bitLE(0x2,streamFile);
vgmstream->coding_type = coding_PCM16LE;
vgmstream->num_samples = data_size/(channel_count*2);
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x2;
vgmstream->meta_type = meta_EZW;
/* open the file for reading */
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}