vgmstream/src/meta/208.c

49 lines
1.6 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* .208 - from Ocean game(s?) [Last Rites (PC)] */
VGMSTREAM * init_vgmstream_208(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, "208"))
goto fail;
/* possible validation: (0x04 == 0 and 0xcc == 0x1F7D984D) or 0x04 == 0xf0 and 0xcc == 0) */
if (!((read_32bitLE(0x04,streamFile) == 0x00 && read_32bitBE(0xcc,streamFile) == 0x1F7D984D) ||
(read_32bitLE(0x04,streamFile) == 0xF0 && read_32bitBE(0xcc,streamFile) == 0x00000000)))
goto fail;
start_offset = read_32bitLE(0x00,streamFile);
data_size = read_32bitLE(0x0c,streamFile);
sample_rate = read_32bitLE(0x34,streamFile);
channel_count = read_32bitLE(0x3C,streamFile); /* assumed */
loop_flag = 0;
if (start_offset + data_size != get_streamfile_size(streamFile))
goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_208;
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = pcm_bytes_to_samples(data_size, channel_count, 8);
vgmstream->coding_type = coding_PCM8_U;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x1;
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}