vgmstream/src/meta/cps.c
2023-01-21 20:36:19 +01:00

51 lines
1.6 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* CPS - tri-Crescendo games [Eternal Sonata (PS3)] */
VGMSTREAM* init_vgmstream_cps(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
off_t start_offset;
int loop_flag, channels;
/* checks */
if (!is_id32be(0x00,sf, "CPS "))
goto fail;
if (!check_extensions(sf,"cps"))
goto fail;
start_offset = read_32bitBE(0x04,sf);
channels = read_32bitBE(0x08,sf);
loop_flag = read_32bitBE(0x18,sf);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channels,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_CPS;
vgmstream->channels = channels;
vgmstream->sample_rate = read_32bitBE(0x10,sf);
if (read_32bitBE(0x20,sf) == 0) {
vgmstream->coding_type = coding_PCM16BE;
vgmstream->layout_type = layout_interleave;
vgmstream->num_samples = pcm16_bytes_to_samples(read_32bitBE(0x0c,sf), channels);
vgmstream->interleave_block_size = 2;
}
else {
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
vgmstream->num_samples = ps_bytes_to_samples(read_32bitBE(0x0c,sf), channels);
vgmstream->interleave_block_size = 0x10;
vgmstream->loop_start_sample = ps_bytes_to_samples(read_32bitBE(0x14,sf), channels);
vgmstream->loop_end_sample = ps_bytes_to_samples(read_32bitBE(0x18,sf), channels);
}
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}