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vgmstream/src/meta/bnk_sony.c

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#include "meta.h"
#include "../coding/coding.h"
/* BNK - Sony's Scream Tool bank format [Puyo Puyo Tetris (PS4), NekoBuro: Cats Block (Vita)] */
VGMSTREAM * init_vgmstream_bnk_sony(STREAMFILE *streamFile) {
#if 1
VGMSTREAM * vgmstream = NULL;
off_t start_offset, stream_offset, name_offset = 0;
size_t stream_size;
off_t sblk_offset, data_offset;
int channel_count, loop_flag, sample_rate, codec;
int version;
uint32_t atrac9_info = 0;
int loop_start = 0, loop_length = 0;
int total_subsongs, target_subsong = streamFile->stream_index;
/* checks */
if (!check_extensions(streamFile, "bnk"))
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x03000000)
goto fail;
if (read_32bitBE(0x04,streamFile) != 0x02000000)
goto fail;
sblk_offset = read_32bitLE(0x08,streamFile);
/* 0x0c: sblk size */
data_offset = read_32bitLE(0x10,streamFile);
/* 0x14: data size */
/* SE banks, also used for music. Most table fields seems reserved/defaults and
* don't change much between subsongs or files, so they aren't described in detail */
/* SBlk part: parse header */
if (read_32bitBE(sblk_offset+0x00,streamFile) != 0x53426C6B) /* "SBlk" */
goto fail;
version = read_32bitLE(sblk_offset+0x04,streamFile);
/* 0x08: possibly when version=0x0d, 0x03=Vita, 0x06=PS4 */
//;VGM_LOG("BNK: sblk_offset=%lx, data_offset=%lx, version %x\n", sblk_offset, data_offset, version);
{
int i;
off_t table1_offset, table2_offset, table3_offset, table4_offset;
size_t section_entries, material_entries, stream_entries;
size_t table1_entry_size;
off_t table1_suboffset, table2_suboffset, table3_suboffset;
off_t table2_entry_offset = 0, table3_entry_offset = 0;
int table4_entry_id = -1;
off_t table4_entries_offset, table4_names_offset;
switch(version) {
case 0x09: /* Puyo Puyo Tetris (PS4) */
section_entries = (uint16_t)read_16bitLE(sblk_offset+0x16,streamFile); /* entry size: ~0x0c */
material_entries = (uint16_t)read_16bitLE(sblk_offset+0x18,streamFile); /* entry size: ~0x08 */
stream_entries = (uint16_t)read_16bitLE(sblk_offset+0x1a,streamFile); /* entry size: ~0x60 */
table1_offset = sblk_offset + read_32bitLE(sblk_offset+0x1c,streamFile);
table2_offset = sblk_offset + read_32bitLE(sblk_offset+0x20,streamFile);
/* 0x24: null? */
/* 0x28: offset to end? */
/* 0x2c: offset to table3? */
/* 0x30: null? */
table3_offset = sblk_offset + read_32bitLE(sblk_offset+0x34,streamFile);
table4_offset = sblk_offset + read_32bitLE(sblk_offset+0x38,streamFile);
table1_entry_size = 0x0c;
table1_suboffset = 0x08;
table2_suboffset = 0x00;
table3_suboffset = 0x10;
break;
case 0x0d: /* Polara (Vita), Crypt of the Necrodancer (Vita) */
table1_offset = sblk_offset + read_32bitLE(sblk_offset+0x18,streamFile);
table2_offset = sblk_offset + read_32bitLE(sblk_offset+0x1c,streamFile);
/* 0x20: null? */
/* 0x24: offset to end? */
/* 0x28: offset to table4? */
table3_offset = sblk_offset + read_32bitLE(sblk_offset+0x2c,streamFile);
table4_offset = sblk_offset + read_32bitLE(sblk_offset+0x30,streamFile);
/* 0x34: null? */
section_entries = (uint16_t)read_16bitLE(sblk_offset+0x38,streamFile); /* entry size: ~0x24 */
material_entries = (uint16_t)read_16bitLE(sblk_offset+0x3a,streamFile); /* entry size: ~0x08 */
stream_entries = (uint16_t)read_16bitLE(sblk_offset+0x3c,streamFile); /* entry size: ~0x90 + variable (sometimes) */
table1_entry_size = 0x24;
table1_suboffset = 0x0c;
table2_suboffset = 0x00;
table3_suboffset = 0x44;
break;
default:
VGM_LOG("BNK: unknown version %x\n", version);
goto fail;
}
//;VGM_LOG("BNK: table offsets=t1=%lx, %lx, %lx, %lx\n", table1_offset,table2_offset,table3_offset,table4_offset);
//;VGM_LOG("BNK: table entries=%i, %i, %i\n", section_entries,material_entries,stream_entries);
/* table defs:
* - table1: sections, point to some materials (may be less than streams/materials)
* - table2: materials, point to all sounds or others subtypes (may be more than sounds)
* - table3: sounds, point to streams (multiple sounds can repeat stream)
* - table4: names define section names (not all sounds may have a name)
*
* approximate table parsing
* - check materials and skip non-sounds to get table3 offsets (since table3 entry size isn't always constant)
* - get stream offsets
* - find if one section points to the selected material, and get section name = stream name */
/* parse materials */
total_subsongs = 0;
if (target_subsong == 0) target_subsong = 1;
for (i = 0; i < material_entries; i++) {
uint16_t table2_subtype = (uint16_t)read_16bitLE(table2_offset+(i*0x08)+table2_suboffset+0x02,streamFile);
if (table2_subtype != 0x100)
continue; /* not sounds */
total_subsongs++;
if (total_subsongs == target_subsong) {
table2_entry_offset = (i*0x08);
table3_entry_offset = (uint16_t)read_16bitLE(table2_offset+(i*0x08)+table2_suboffset+0x00,streamFile);
/* continue to count all subsongs*/
}
}
//;VGM_LOG("BNK: subsongs %i, table2_entry=%lx, table3_entry=%lx\n", total_subsongs,table2_entry_offset,table3_entry_offset);
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
/* this means some subsongs repeat streams, that can happen in some sfx banks, whatevs */
if (total_subsongs != stream_entries) {
//;VGM_LOG("BNK: subsongs %i vs table3 %i don't match\n", total_subsongs, stream_entries);
/* find_dupes...? */
}
/* parse sounds */
stream_offset = read_32bitLE(table3_offset+table3_entry_offset+table3_suboffset+0x00,streamFile);
stream_size = read_32bitLE(table3_offset+table3_entry_offset+table3_suboffset+0x04,streamFile);
/* find if this sound has an assigned name in table1 */
for (i = 0; i < section_entries; i++) {
off_t entry_offset = (uint16_t)read_16bitLE(table1_offset+(i*table1_entry_size)+table1_suboffset+0x00,streamFile);
/* rarely (ex. Polara sfx) one name applies to multiple materials,
* from current entry_offset to next entry_offset (section offsets should be in order) */
if (entry_offset <= table2_entry_offset ) {
table4_entry_id = i;
//break;
}
}
/* table4: */
/* 0x00: bank name (optional) */
/* 0x08: header size */
/* 0x0c: table4 size */
/* variable: entries */
/* variable: names (null terminated) */
table4_entries_offset = table4_offset + read_32bitLE(table4_offset+0x08, streamFile);
table4_names_offset = table4_entries_offset + (0x10*section_entries);
//;VGM_LOG("BNK: t4_entries=%lx, t4_names=%lx\n", table4_entries_offset, table4_names_offset);
/* get assigned name from table4 names */
for (i = 0; i < section_entries; i++) {
int entry_id = read_32bitLE(table4_entries_offset+(i*0x10)+0x0c, streamFile);
if (entry_id == table4_entry_id) {
name_offset = table4_names_offset + read_32bitLE(table4_entries_offset+(i*0x10)+0x00, streamFile);
break;
}
}
//;VGM_LOG("BNK: stream_offset=%lx, stream_size=%x, name_offset=%lx\n", stream_offset, stream_size, name_offset);
}
/* data part: parse extradata before the codec, very annoying */
{
size_t extradata_size = 0;
start_offset = data_offset + stream_offset;
switch(version) {
case 0x09:
codec = read_16bitLE(start_offset+0x00,streamFile);
extradata_size = 0x08 + read_32bitLE(start_offset+0x04,streamFile); /* 0x14 for AT9 */
switch(codec) {
#ifdef VGM_USE_ATRAC9
case 0x02:
case 0x05:
if (read_32bitLE(start_offset+0x08,streamFile) + 0x08 != extradata_size) /* repeat? */
goto fail;
atrac9_info = (uint32_t)read_32bitBE(start_offset+0x0c,streamFile);
/* 0x10: null? */
loop_length = read_32bitLE(start_offset+0x14,streamFile);
loop_start = read_32bitLE(start_offset+0x18,streamFile);
/* get from AT9 config just in case, but probably: sr=48000 / codec 0x02=1ch, 0x05=2ch */
atrac9_parse_config(atrac9_info, &sample_rate, &channel_count, NULL);
break;
#endif
}
break;
case 0x0d:
codec = read_16bitLE(start_offset+0x00,streamFile);
if (read_32bitLE(start_offset+0x04,streamFile) != 0x01) /* type? */
goto fail;
extradata_size = 0x10 + read_32bitLE(start_offset+0x08,streamFile); /* 0x80 for AT9, 0x10 for PCM */
/* 0x0c: null? */
switch(codec) {
#ifdef VGM_USE_ATRAC9
case 0x02:
case 0x05:
if (read_32bitLE(start_offset+0x10,streamFile) + 0x10 != extradata_size) /* repeat? */
goto fail;
atrac9_info = (uint32_t)read_32bitBE(start_offset+0x14,streamFile);
/* 0x18: null? */
/* 0x1c: channels? */
/* 0x20: null? */
loop_length = read_32bitLE(start_offset+0x24,streamFile);
loop_start = read_32bitLE(start_offset+0x28,streamFile);
/* get from AT9 config just in case, but probably: sr=48000 / codec 0x02=1ch, 0x05=2ch */
atrac9_parse_config(atrac9_info, &sample_rate, &channel_count, NULL);
break;
#endif
case 0x01:
case 0x04:
sample_rate = 48000; /* seems ok */
/* 0x10: null? */
channel_count = read_32bitLE(start_offset+0x14,streamFile);
loop_start = read_32bitLE(start_offset+0x18,streamFile);
loop_length = read_32bitLE(start_offset+0x1c,streamFile);
break;
}
break;
default:
goto fail;
}
start_offset += extradata_size;
stream_size -= extradata_size;
}
loop_flag = (loop_start >= 0) && (loop_length > 0); /* loop_start is -1 if not set */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = sample_rate;
vgmstream->num_streams = total_subsongs;
vgmstream->stream_size = stream_size;
vgmstream->meta_type = meta_BNK_SONY;
switch(codec) {
#ifdef VGM_USE_ATRAC9
case 0x02: /* ATRAC9 mono? */
case 0x05: { /* ATRAC9 stereo? */
atrac9_config cfg = {0};
cfg.channels = vgmstream->channels;
cfg.config_data = atrac9_info;
//cfg.encoder_delay = 0x00; //todo
vgmstream->codec_data = init_atrac9(&cfg);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_ATRAC9;
vgmstream->layout_type = layout_none;
vgmstream->num_samples = atrac9_bytes_to_samples(stream_size, vgmstream->codec_data);
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_start + loop_length;
break;
}
#endif
case 0x01: /* PCM16LE mono? (NekoBuro/Polara sfx) */
case 0x04: /* PCM16LE stereo? (NekoBuro/Polara sfx) */
vgmstream->coding_type = coding_PCM16LE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x02;
vgmstream->num_samples = pcm_bytes_to_samples(stream_size, vgmstream->channels, 16);
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_start + loop_length;
break;
default:
VGM_LOG("BNK: unknown codec %x\n", codec);
goto fail;
}
if (name_offset)
read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamFile);
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
#endif
return NULL;
}
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