mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-12 14:51:05 +01:00
116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
|
#include "meta.h"
|
||
|
#include "../coding/coding.h"
|
||
|
|
||
|
/* HD3+BD3 - Sony PS3 bank format [Elevator Action Deluxe (PS3), R-Type Dimensions (PS3)] */
|
||
|
VGMSTREAM * init_vgmstream_hd3_bd3(STREAMFILE *streamFile) {
|
||
|
VGMSTREAM * vgmstream = NULL;
|
||
|
STREAMFILE * streamHeader = NULL;
|
||
|
off_t start_offset;
|
||
|
int channel_count, loop_flag, sample_rate;
|
||
|
size_t interleave, stream_size;
|
||
|
int total_subsongs, target_subsong = streamFile->stream_index;
|
||
|
|
||
|
|
||
|
/* checks */
|
||
|
if (!check_extensions(streamFile, "bd3"))
|
||
|
goto fail;
|
||
|
|
||
|
streamHeader = open_streamfile_by_ext(streamFile,"hd3");
|
||
|
if (!streamHeader) goto fail;
|
||
|
|
||
|
if (read_32bitBE(0x00,streamHeader) != 0x50334844) /* "P3HD" */
|
||
|
goto fail;
|
||
|
|
||
|
/* 0x04: section size (not including first 0x08) */
|
||
|
/* 0x08: version? 0x00020000 */
|
||
|
/* 0x10: "P3PG" offset (seems mostly empty and contains number of subsongs towards the end) */
|
||
|
/* 0x14: "P3TN" offset (some kind of config?) */
|
||
|
/* 0x18: "P3VA" offset (VAG headers) */
|
||
|
{
|
||
|
off_t section_offset = read_32bitBE(0x18,streamHeader);
|
||
|
off_t header_offset;
|
||
|
size_t section_size;
|
||
|
int i, entries, is_bgm = 0;
|
||
|
|
||
|
if (read_32bitBE(section_offset+0x00,streamHeader) != 0x50335641) /* "P3VA" */
|
||
|
goto fail;
|
||
|
section_size = read_32bitBE(section_offset+0x04,streamHeader); /* (not including first 0x08) */
|
||
|
/* 0x08 always 0x10? */
|
||
|
entries = read_32bitBE(section_offset+0x14,streamHeader) + 1;
|
||
|
if (entries != (section_size-0x18) / 0x10)
|
||
|
goto fail;
|
||
|
|
||
|
/* autodetect use of N bank entries as channels [Elevator Action Deluxe (PS3)] */
|
||
|
if (entries > 1) {
|
||
|
size_t channel_size = read_32bitBE(section_offset+0x20+0x08,streamHeader);
|
||
|
is_bgm = 1;
|
||
|
|
||
|
for (i = 1; i < entries; i++) {
|
||
|
size_t next_size = read_32bitBE(section_offset+0x20+(i*0x10)+0x08,streamHeader);
|
||
|
if (channel_size != next_size) {
|
||
|
is_bgm = 0;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (is_bgm) {
|
||
|
total_subsongs = 1;
|
||
|
if (target_subsong == 0) target_subsong = 1;
|
||
|
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
|
||
|
|
||
|
header_offset = section_offset+0x20+(0)*0x10;
|
||
|
start_offset = read_32bitBE(header_offset+0x00,streamHeader); /* 0x00 */
|
||
|
sample_rate = read_32bitBE(header_offset+0x04,streamHeader);
|
||
|
stream_size = get_streamfile_size(streamFile);
|
||
|
if (read_32bitBE(header_offset+0x0c,streamHeader) != -1)
|
||
|
goto fail;
|
||
|
|
||
|
channel_count = entries;
|
||
|
interleave = stream_size / channel_count;
|
||
|
}
|
||
|
else {
|
||
|
total_subsongs = entries;
|
||
|
if (target_subsong == 0) target_subsong = 1;
|
||
|
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
|
||
|
|
||
|
header_offset = section_offset+0x20+(target_subsong-1)*0x10;
|
||
|
start_offset = read_32bitBE(header_offset+0x00,streamHeader);
|
||
|
sample_rate = read_32bitBE(header_offset+0x04,streamHeader);
|
||
|
stream_size = read_32bitBE(header_offset+0x08,streamHeader);
|
||
|
if (read_32bitBE(header_offset+0x0c,streamHeader) != -1)
|
||
|
goto fail;
|
||
|
|
||
|
channel_count = 1;
|
||
|
interleave = 0;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
loop_flag = 0;
|
||
|
|
||
|
|
||
|
/* build the VGMSTREAM */
|
||
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
||
|
if (!vgmstream) goto fail;
|
||
|
|
||
|
vgmstream->sample_rate = sample_rate;
|
||
|
vgmstream->num_samples = ps_bytes_to_samples(stream_size, channel_count);
|
||
|
vgmstream->num_streams = total_subsongs;
|
||
|
vgmstream->stream_size = stream_size;
|
||
|
|
||
|
vgmstream->meta_type = meta_HD3_BD3;
|
||
|
vgmstream->coding_type = coding_PSX;
|
||
|
vgmstream->layout_type = (channel_count == 1) ? layout_none : layout_interleave;
|
||
|
vgmstream->interleave_block_size = interleave;
|
||
|
|
||
|
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
||
|
goto fail;
|
||
|
|
||
|
close_streamfile(streamHeader);
|
||
|
return vgmstream;
|
||
|
fail:
|
||
|
close_streamfile(streamHeader);
|
||
|
close_vgmstream(vgmstream);
|
||
|
return NULL;
|
||
|
}
|