mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-24 04:14:50 +01:00
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
#include "ps2_enth_streamfile.h"
|
|
|
|
/* LP/AP/LEP - from Konami (KCES)'s Enthusia: Professional Racing (PS2) */
|
|
VGMSTREAM* init_vgmstream_ps2_enth(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
STREAMFILE* temp_sf = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channels, sample_rate, interleave;
|
|
int32_t data_size, loop_start;
|
|
uint32_t id;
|
|
|
|
|
|
/* checks */
|
|
/* .bin/lbin: internal (no names in bigfiles but exes mention "bgm%05d.bin" and "LEP data")
|
|
* .lp/lep/ap: header ID */
|
|
if (!check_extensions(sf, "bin,lbin,lp,lep,ap"))
|
|
goto fail;
|
|
|
|
id = read_u32be(0x00,sf);
|
|
switch (id) {
|
|
case 0x41502020: /* "AP " */
|
|
case 0x4C502020: /* "LP " */
|
|
sample_rate = read_u32le(0x08,sf);
|
|
interleave = read_u32le(0x0c,sf);
|
|
loop_start = read_u32le(0x14,sf);
|
|
data_size = read_u32le(0x18,sf);
|
|
start_offset = read_u32le(0x1C,sf);
|
|
break;
|
|
|
|
case 0x4C455020: /* "LEP " */
|
|
data_size = read_u32le(0x08,sf);
|
|
sample_rate = read_u16le(0x12,sf);
|
|
loop_start = read_u32le(0x58,sf);
|
|
interleave = 0x10;
|
|
start_offset = 0x800;
|
|
break;
|
|
|
|
default:
|
|
goto fail;
|
|
}
|
|
|
|
loop_flag = loop_start != 0;
|
|
channels = 2;
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channels, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_PS2_ENTH;
|
|
vgmstream->sample_rate = sample_rate;
|
|
|
|
switch (id) {
|
|
case 0x4C502020: /* "LP " */
|
|
vgmstream->coding_type = coding_PCM16LE;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = interleave;
|
|
|
|
vgmstream->num_samples = pcm_bytes_to_samples(data_size, channels, 16);
|
|
vgmstream->loop_start_sample = pcm_bytes_to_samples(loop_start, channels, 16);
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
|
|
|
temp_sf = setup_lp_streamfile(sf, start_offset); /* encrypted/obfuscated PCM */
|
|
if (!temp_sf) goto fail;
|
|
break;
|
|
|
|
case 0x41502020: /* "AP " */
|
|
case 0x4C455020: /* "LEP " */
|
|
vgmstream->coding_type = coding_PSX;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = interleave;
|
|
|
|
vgmstream->num_samples = ps_bytes_to_samples(data_size, channels);
|
|
vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, channels);
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
|
break;
|
|
|
|
default:
|
|
goto fail;
|
|
}
|
|
|
|
if (!vgmstream_open_stream(vgmstream, temp_sf ? temp_sf : sf, start_offset))
|
|
goto fail;
|
|
close_streamfile(temp_sf);
|
|
return vgmstream;
|
|
fail:
|
|
close_streamfile(temp_sf);
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|