118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* FEV+FSB5 container [Just Cause 3 (PC), Shantae: Half-Genie Hero (Switch)] */
|
|
VGMSTREAM* init_vgmstream_fsb5_fev_bank(STREAMFILE* sf) {
|
|
VGMSTREAM* vgmstream = NULL;
|
|
STREAMFILE* temp_sf = NULL;
|
|
off_t subfile_offset, chunk_offset, bank_offset, offset;
|
|
size_t subfile_size, bank_size;
|
|
int is_old = 0;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(sf, "bank"))
|
|
goto fail;
|
|
|
|
if (read_u32be(0x00,sf) != 0x52494646) /* "RIFF" */
|
|
goto fail;
|
|
if (read_u32be(0x08,sf) != 0x46455620) /* "FEV " */
|
|
goto fail;
|
|
|
|
/* .fev is an event format referencing various external .fsb, but FMOD can bake .fev and .fsb to
|
|
* form a .bank, which is the format we support here (regular .fev is complex and not very interesting).
|
|
* Format is RIFF with FMT (main), LIST (config) and SND (FSB5 data), we want the FSB5 offset inside LIST */
|
|
|
|
if (!find_chunk_le(sf, 0x4C495354, 0x0c, 0, &chunk_offset,NULL)) /* "LIST" */
|
|
goto fail;
|
|
if (read_u32be(chunk_offset+0x00,sf) != 0x50524F4A || /* "PROJ" */
|
|
read_u32be(chunk_offset+0x04,sf) != 0x424E4B49) /* "BNKI" */
|
|
goto fail; /* event .fev has "OBCT" instead of "BNKI" (which can also be empty) */
|
|
|
|
|
|
/* inside BNKI is a bunch of LIST each with event subchunks and somewhere the FSB5 offset */
|
|
bank_offset = 0;
|
|
offset = chunk_offset + 0x04;
|
|
while (bank_offset == 0 && offset < get_streamfile_size(sf)) {
|
|
uint32_t chunk_type = read_u32be(offset + 0x00,sf);
|
|
uint32_t chunk_size = read_u32le(offset + 0x04,sf);
|
|
offset += 0x08;
|
|
|
|
if (chunk_type == 0xFFFFFFFF || chunk_size == 0xFFFFFFFF)
|
|
goto fail;
|
|
|
|
switch(chunk_type) {
|
|
case 0x4C495354: /* "LIST" with "SNDH" (older) */
|
|
if (read_u32be(offset + 0x04, sf) == 0x534E4448) {
|
|
bank_offset = offset + 0x0c;
|
|
bank_size = read_s32le(offset + 0x08,sf);
|
|
is_old = 1;
|
|
}
|
|
break;
|
|
|
|
case 0x534E4448: /* "SNDH" (newer) */
|
|
bank_offset = offset;
|
|
bank_size = chunk_size;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
offset += chunk_size;
|
|
}
|
|
|
|
if (bank_offset == 0)
|
|
goto fail;
|
|
|
|
/* 0x00: unknown (version? ex LE: 0x00080003, 0x00080005) */
|
|
{
|
|
int banks;
|
|
size_t entry_size = is_old ? 0x04 : 0x08;
|
|
|
|
/* multiple banks is possible but rare (only seen an extra "Silence" FSB5 in Guacamelee 2 (Switch),
|
|
* which on PC is a regular subsong in the only FSB5) */
|
|
banks = (bank_size - 0x04) / entry_size;
|
|
VGM_ASSERT(banks > 1, "FSB5FEV: multiple banks found\n");
|
|
|
|
/* Could try to set stream index based on FSB subsong ranges, also fixing num_streams and stream_index
|
|
* kinda involved and hard to test so for now just ignore it and use first offset */
|
|
|
|
if (banks > 2)
|
|
goto fail;
|
|
if (banks == 2) {
|
|
off_t temp_offset = read_u32le(bank_offset + 0x04 + entry_size*1 + 0x00,sf);
|
|
//size_t temp_size = read_u32le(bank_offset + 0x04 + entry_size*1 + 0x04,sf);
|
|
|
|
int bank_subsongs = read_s32le(temp_offset + 0x08,sf);
|
|
if (bank_subsongs != 1) goto fail;
|
|
}
|
|
|
|
if (is_old) {
|
|
subfile_offset = read_u32le(bank_offset+0x04,sf);
|
|
subfile_size = /* meh */
|
|
read_u32le(subfile_offset + 0x0C,sf) +
|
|
read_u32le(subfile_offset + 0x10,sf) +
|
|
read_u32le(subfile_offset + 0x14,sf) +
|
|
0x3C;
|
|
}
|
|
else {
|
|
subfile_offset = read_u32le(bank_offset+0x04,sf);
|
|
subfile_size = read_u32le(bank_offset+0x08,sf);
|
|
}
|
|
}
|
|
|
|
temp_sf = setup_subfile_streamfile(sf, subfile_offset,subfile_size, "fsb");
|
|
if (!temp_sf) goto fail;
|
|
|
|
vgmstream = init_vgmstream_fsb5(temp_sf);
|
|
close_streamfile(temp_sf);
|
|
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_streamfile(temp_sf);
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|