vgmstream/src/meta/xss.c
bnnm fc7848bfd3 cleanup: hgc1, filp, wii_mus, sl3, wb, xss
- Remove fake extension .hgc1 (use .str)
- Remove fake extension .filp (use .fil)
- Remove fake extension .sl3 (use .ms)
2023-07-08 10:52:28 +02:00

62 lines
1.9 KiB
C

#include "meta.h"
#include "../coding/coding.h"
/* .XSS - found in Dino Crisis 3 (Xbox) */
VGMSTREAM* init_vgmstream_xss(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
uint32_t start_offset;
int channels, loop_flag, sample_rate;
/* checks */
/* 00: name + garbage data up to ?
* (due to garbage it's hard which values are from this header, but these seem consistent) */
if (read_u32le(0x0c,sf) != 0x3a)
return NULL;
if (read_u32le(0x10,sf) != 0x00)
return NULL;
if (!check_extensions(sf,"xss"))
return NULL;
/* some floats and stuff up to 0x100, then some sizes, then RIFF fmt-like header */
uint32_t head_offset = 0x140;
if (read_u32le(head_offset+0x00, sf) != 0x40)
return NULL;
loop_flag = (read_u32le(head_offset + 0x04,sf) != 0);
if (read_u16le(head_offset + 0x0c,sf) != 0x01)
return NULL;
channels = read_u16le(head_offset + 0x0E,sf);
sample_rate = read_u32le(head_offset + 0x10,sf);
/* 14: bitrate */
/* 18: block size */
if (read_u16le(head_offset + 0x1A,sf) != 0x10)
return NULL;
start_offset = 0x800;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channels,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_XSS;
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = pcm16_bytes_to_samples(get_streamfile_size(sf) - start_offset, channels);
vgmstream->loop_start_sample = pcm16_bytes_to_samples(read_u32le(head_offset + 0x04,sf), channels);
vgmstream->loop_end_sample = pcm16_bytes_to_samples(read_u32le(head_offset + 0x08,sf), channels);
vgmstream->coding_type = coding_PCM16LE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x2;
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}