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vgmstream/src/meta/ktsr.c

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#include "meta.h"
#include "../coding/coding.h"
#include "../layout/layout.h"
typedef enum { NONE, MSADPCM, DSP, GCADPCM, ATRAC9, RIFF_ATRAC9, KOVS, KTSS, } ktsr_codec;
#define MAX_CHANNELS 8
typedef struct {
int total_subsongs;
int target_subsong;
ktsr_codec codec;
int platform;
int format;
int channels;
int sample_rate;
int32_t num_samples;
int32_t loop_start;
int loop_flag;
uint32_t extra_offset;
uint32_t channel_layout;
int is_external;
uint32_t stream_offsets[MAX_CHANNELS];
uint32_t stream_sizes[MAX_CHANNELS];
uint32_t sound_name_offset;
uint32_t config_name_offset;
char name[255+1];
} ktsr_header;
static int parse_ktsr(ktsr_header* ktsr, STREAMFILE* sf);
static layered_layout_data* build_layered_atrac9(ktsr_header* ktsr, STREAMFILE *sf, uint32_t config_data);
static VGMSTREAM* init_vgmstream_ktsr_sub(STREAMFILE* sf_b, ktsr_header* ktsr, VGMSTREAM* (*init_vgmstream)(STREAMFILE* sf), const char* ext);
/* KTSR - Koei Tecmo sound resource container */
VGMSTREAM* init_vgmstream_ktsr(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
STREAMFILE* sf_b = NULL;
ktsr_header ktsr = {0};
int target_subsong = sf->stream_index;
int separate_offsets = 0;
/* checks */
if (!is_id32be(0x00, sf, "KTSR"))
goto fail;
if (read_u32be(0x04, sf) != 0x777B481A) /* hash(?) id: 0x777B481A=as, 0x0294DDFC=st, 0xC638E69E=gc */
goto fail;
/* .ktsl2asbin: common [Atelier Ryza (PC/Switch), Nioh (PC)]
* .asbin: Warriors Orochi 4 (PC) */
if (!check_extensions(sf, "ktsl2asbin,asbin"))
goto fail;
/* KTSR can be a memory file (ktsl2asbin), streams (ktsl2stbin) and global config (ktsl2gcbin)
* This accepts .ktsl2asbin with internal data or external streams as subsongs.
* Some info from KTSR.bt */
if (target_subsong == 0) target_subsong = 1;
ktsr.target_subsong = target_subsong;
if (!parse_ktsr(&ktsr, sf))
goto fail;
/* open companion body */
if (ktsr.is_external) {
const char* companion_ext = check_extensions(sf, "asbin") ? "stbin" : "ktsl2stbin";
sf_b = open_streamfile_by_ext(sf, companion_ext);
if (!sf_b) {
vgm_logi("KTSR: companion file '*.%s' not found\n", companion_ext);
goto fail;
}
}
else {
sf_b = sf;
}
/* subfiles */
{
VGMSTREAM* (*init_vgmstream)(STREAMFILE* sf) = NULL;
const char* ext;
switch(ktsr.codec) {
case RIFF_ATRAC9: init_vgmstream = init_vgmstream_riff; ext = "at9"; break;
case KOVS: init_vgmstream = init_vgmstream_ogg_vorbis; ext = "kvs"; break;
case KTSS: init_vgmstream = init_vgmstream_ktss; ext = "ktss"; break;
default: break;
}
if (init_vgmstream) {
vgmstream = init_vgmstream_ktsr_sub(sf_b, &ktsr, init_vgmstream, ext);
if (!vgmstream) goto fail;
if (sf_b != sf) close_streamfile(sf_b);
return vgmstream;
}
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(ktsr.channels, ktsr.loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_KTSR;
vgmstream->sample_rate = ktsr.sample_rate;
vgmstream->num_samples = ktsr.num_samples;
vgmstream->loop_start_sample = ktsr.loop_start;
vgmstream->loop_end_sample = ktsr.num_samples;
vgmstream->stream_size = ktsr.stream_sizes[0];
vgmstream->num_streams = ktsr.total_subsongs;
vgmstream->channel_layout = ktsr.channel_layout;
strcpy(vgmstream->stream_name, ktsr.name);
switch(ktsr.codec) {
case MSADPCM:
vgmstream->coding_type = coding_MSADPCM_int;
vgmstream->layout_type = layout_none;
separate_offsets = 1;
/* 0x00: samples per frame */
vgmstream->frame_size = read_u16le(ktsr.extra_offset + 0x02, sf_b);
break;
case DSP:
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
separate_offsets = 1;
dsp_read_coefs_le(vgmstream, sf, ktsr.extra_offset + 0x1c, 0x60);
dsp_read_hist_le (vgmstream, sf, ktsr.extra_offset + 0x40, 0x60);
break;
#ifdef VGM_USE_ATRAC9
case ATRAC9: {
/* 0x00: samples per frame */
/* 0x02: frame size */
uint32_t config_data = read_u32be(ktsr.extra_offset + 0x04, sf);
if ((config_data & 0xFF) == 0xFE) /* later versions(?) in LE */
config_data = read_u32le(ktsr.extra_offset + 0x04, sf);
vgmstream->layout_data = build_layered_atrac9(&ktsr, sf_b, config_data);
if (!vgmstream->layout_data) goto fail;
vgmstream->layout_type = layout_layered;
vgmstream->coding_type = coding_ATRAC9;
break;
}
#endif
default:
goto fail;
}
if (!vgmstream_open_stream_bf(vgmstream, sf_b, ktsr.stream_offsets[0], 1))
goto fail;
/* data offset per channel is absolute (not actual interleave since there is padding) in some cases */
if (separate_offsets) {
int i;
for (i = 0; i < ktsr.channels; i++) {
vgmstream->ch[i].offset = ktsr.stream_offsets[i];
}
}
if (sf_b != sf) close_streamfile(sf_b);
return vgmstream;
fail:
if (sf_b != sf) close_streamfile(sf_b);
close_vgmstream(vgmstream);
return NULL;
}
// TODO improve, unity with other metas that do similar stuff
static VGMSTREAM* init_vgmstream_ktsr_sub(STREAMFILE* sf_b, ktsr_header* ktsr, VGMSTREAM* (*init_vgmstream)(STREAMFILE* sf), const char* ext) {
VGMSTREAM* sub_vgmstream = NULL;
STREAMFILE* temp_sf = setup_subfile_streamfile(sf_b, ktsr->stream_offsets[0], ktsr->stream_sizes[0], ext);
if (!temp_sf) return NULL;
sub_vgmstream = init_vgmstream(temp_sf);
close_streamfile(temp_sf);
if (!sub_vgmstream) return NULL;
sub_vgmstream->stream_size = ktsr->stream_sizes[0];
sub_vgmstream->num_streams = ktsr->total_subsongs;
sub_vgmstream->channel_layout = ktsr->channel_layout;
strcpy(sub_vgmstream->stream_name, ktsr->name);
return sub_vgmstream;
}
static layered_layout_data* build_layered_atrac9(ktsr_header* ktsr, STREAMFILE* sf, uint32_t config_data) {
STREAMFILE* temp_sf = NULL;
layered_layout_data* data = NULL;
int layers = ktsr->channels;
int i;
/* init layout */
data = init_layout_layered(layers);
if (!data) goto fail;
for (i = 0; i < layers; i++) {
data->layers[i] = allocate_vgmstream(1, 0);
if (!data->layers[i]) goto fail;
data->layers[i]->sample_rate = ktsr->sample_rate;
data->layers[i]->num_samples = ktsr->num_samples;
#ifdef VGM_USE_ATRAC9
{
atrac9_config cfg = {0};
cfg.config_data = config_data;
cfg.channels = 1;
cfg.encoder_delay = 256; /* observed default (ex. Attack on Titan PC vs Vita) */
data->layers[i]->codec_data = init_atrac9(&cfg);
if (!data->layers[i]->codec_data) goto fail;
data->layers[i]->coding_type = coding_ATRAC9;
data->layers[i]->layout_type = layout_none;
}
#else
goto fail;
#endif
temp_sf = setup_subfile_streamfile(sf, ktsr->stream_offsets[i], ktsr->stream_sizes[i], NULL);
if (!temp_sf) goto fail;
if (!vgmstream_open_stream(data->layers[i], temp_sf, 0x00))
goto fail;
close_streamfile(temp_sf);
temp_sf = NULL;
}
/* setup layered VGMSTREAMs */
if (!setup_layout_layered(data))
goto fail;
return data;
fail:
close_streamfile(temp_sf);
free_layout_layered(data);
return NULL;
}
static int parse_codec(ktsr_header* ktsr) {
/* platform + format to codec, simplified until more codec combos are found */
switch(ktsr->platform) {
case 0x01: /* PC */
if (ktsr->is_external) {
if (ktsr->format == 0x0005)
ktsr->codec = KOVS; // Atelier Ryza (PC)
else
goto fail;
}
else if (ktsr->format == 0x0000) {
ktsr->codec = MSADPCM; // Warrior Orochi 4 (PC)
}
else {
goto fail;
}
break;
case 0x03: /* PS4/VITA */
if (ktsr->is_external) {
if (ktsr->format == 0x1001)
ktsr->codec = RIFF_ATRAC9; // Nioh (PS4)
else
goto fail;
}
else if (ktsr->format == 0x0001)
ktsr->codec = ATRAC9; // Attack on Titan: Wings of Freedom (Vita)
else
goto fail;
break;
case 0x04: /* Switch */
if (ktsr->is_external) {
if (ktsr->format == 0x0005)
ktsr->codec = KTSS; // [Ultra Kaiju Monster Rancher (Switch)]
else
goto fail;
}
else if (ktsr->format == 0x0000)
ktsr->codec = DSP; // Fire Emblem: Three Houses (Switch)
else
goto fail;
break;
default:
goto fail;
}
return 1;
fail:
VGM_LOG("ktsr: unknown codec combo: external=%x, format=%x, platform=%x\n", ktsr->is_external, ktsr->format, ktsr->platform);
return 0;
}
static int parse_ktsr_subfile(ktsr_header* ktsr, STREAMFILE* sf, uint32_t offset) {
uint32_t suboffset, starts_offset, sizes_offset;
int i;
uint32_t type;
type = read_u32be(offset + 0x00, sf); /* hash-id? */
//size = read_u32le(offset + 0x04, sf);
/* probably could check the flag in sound header, but the format is kinda messy */
switch(type) {
case 0x38D0437D: /* external [Nioh (PC/PS4), Atelier Ryza (PC)] */
case 0x3DEA478D: /* external [Nioh (PC)] (smaller) */
case 0xDF92529F: /* external [Atelier Ryza (PC)] */
case 0x6422007C: /* external [Atelier Ryza (PC)] */
/* 08 subtype? (ex. 0x522B86B9)
* 0c channels
* 10 ? (always 0x002706B8)
* 14 external codec
* 18 sample rate
* 1c num samples
* 20 null?
* 24 loop start or -1 (loop end is num samples)
* 28 channel layout (or null?)
* 2c null
* 30 null
* 34 data offset (absolute to external stream, points to actual format and not to mini-header)
* 38 data size
* 3c always 0x0200
*/
ktsr->channels = read_u32le(offset + 0x0c, sf);
ktsr->format = read_u32le(offset + 0x14, sf);
/* other fields will be read in the external stream */
ktsr->channel_layout = read_u32le(offset + 0x28, sf);
if (type == 0x3DEA478D) { /* Nioh (PC) has one less field, some files only [ABS.ktsl2asbin] */
ktsr->stream_offsets[0] = read_u32le(offset + 0x30, sf);
ktsr->stream_sizes[0] = read_u32le(offset + 0x34, sf);
}
else {
ktsr->stream_offsets[0] = read_u32le(offset + 0x34, sf);
ktsr->stream_sizes[0] = read_u32le(offset + 0x38, sf);
}
ktsr->is_external = 1;
break;
case 0x41FDBD4E: /* internal [Attack on Titan: Wings of Freedom (Vita)] */
case 0x6FF273F9: /* internal [Attack on Titan: Wings of Freedom (PC/Vita)] */
case 0x6FCAB62E: /* internal [Marvel Ultimate Alliance 3: The Black Order (Switch)] */
case 0x6AD86FE9: /* internal [Atelier Ryza (PC/Switch), Persona5 Scramble (Switch)] */
case 0x10250527: /* internal [Fire Emblem: Three Houses DLC (Switch)] */
/* 08 subtype? (0x6029DBD2, 0xD20A92F90, 0xDC6FF709)
* 0c channels
* 10 format? (00=platform's ADPCM? 01=ATRAC9?)
* 11 bps? (always 16)
* 12 null
* 14 sample rate
* 18 num samples
* 1c null or 0x100?
* 20 loop start or -1 (loop end is num samples)
* 24 channel layout or null
* 28 header offset (within subfile)
* 2c header size [B, C]
* 30 offset to data start offset [A, C] or to data start+size [B]
* 34 offset to data size [A, C] or same per channel
* 38 always 0x0200
* -- header
* -- data start offset
* -- data size
*/
ktsr->channels = read_u32le(offset + 0x0c, sf);
ktsr->format = read_u8 (offset + 0x10, sf);
ktsr->sample_rate = read_s32le(offset + 0x14, sf);
ktsr->num_samples = read_s32le(offset + 0x18, sf);
ktsr->loop_start = read_s32le(offset + 0x20, sf);
ktsr->channel_layout= read_u32le(offset + 0x24, sf);
ktsr->extra_offset = read_u32le(offset + 0x28, sf) + offset;
if (type == 0x41FDBD4E || type == 0x6FF273F9) /* v1 */
suboffset = offset + 0x2c;
else
suboffset = offset + 0x30;
if (ktsr->channels > MAX_CHANNELS) {
VGM_LOG("ktsr: max channels found\n");
goto fail;
}
starts_offset = read_u32le(suboffset + 0x00, sf) + offset;
sizes_offset = read_u32le(suboffset + 0x04, sf) + offset;
for (i = 0; i < ktsr->channels; i++) {
ktsr->stream_offsets[i] = read_u32le(starts_offset + 0x04*i, sf) + offset;
ktsr->stream_sizes[i] = read_u32le(sizes_offset + 0x04*i, sf);
}
ktsr->loop_flag = (ktsr->loop_start >= 0);
break;
default:
/* streams also have their own chunks like 0x09D4F415, not needed here */
VGM_LOG("ktsr: unknown subheader at %x\n", offset);
goto fail;
}
if (!parse_codec(ktsr))
goto fail;
return 1;
fail:
VGM_LOG("ktsr: error parsing subheader\n");
return 0;
}
static void build_name(ktsr_header* ktsr, STREAMFILE* sf) {
char sound_name[255] = {0};
char config_name[255] = {0};
/* names can be different or same but usually config is better */
if (ktsr->sound_name_offset) {
read_string(sound_name, sizeof(sound_name), ktsr->sound_name_offset, sf);
}
if (ktsr->config_name_offset) {
read_string(config_name, sizeof(config_name), ktsr->config_name_offset, sf);
}
//if (longname[0] && shortname[0]) {
// snprintf(ktsr->name, sizeof(ktsr->name), "%s; %s", longname, shortname);
//}
if (config_name[0]) {
snprintf(ktsr->name, sizeof(ktsr->name), "%s", config_name);
}
else if (sound_name[0]) {
snprintf(ktsr->name, sizeof(ktsr->name), "%s", sound_name);
}
}
static void parse_longname(ktsr_header* ktsr, STREAMFILE* sf, uint32_t target_id) {
/* more configs than sounds is possible so we need target_id first */
uint32_t offset, end, name_offset;
uint32_t stream_id;
offset = 0x40;
end = get_streamfile_size(sf);
while (offset < end) {
uint32_t type = read_u32be(offset + 0x00, sf); /* hash-id? */
uint32_t size = read_u32le(offset + 0x04, sf);
switch(type) {
case 0xBD888C36: /* config */
stream_id = read_u32be(offset + 0x08, sf);
if (stream_id != target_id)
break;
name_offset = read_u32le(offset + 0x28, sf);
if (name_offset > 0)
ktsr->config_name_offset = offset + name_offset;
return; /* id found */
default:
break;
}
offset += size;
}
}
static int parse_ktsr(ktsr_header* ktsr, STREAMFILE* sf) {
uint32_t offset, end, header_offset, name_offset;
uint32_t stream_id = 0, stream_count;
/* 00: KTSR
* 04: type
* 08: version?
* 0a: unknown (usually 00, 02/03 seen in Vita)
* 0b: platform (01=PC, 03=Vita, 04=Switch)
* 0c: game id?
* 10: null
* 14: null
* 18: file size
* 1c: file size
* up to 40: reserved
* until end: entries (totals not defined) */
ktsr->platform = read_u8(0x0b,sf);
if (read_u32le(0x18, sf) != read_u32le(0x1c, sf))
goto fail;
if (read_u32le(0x1c, sf) != get_streamfile_size(sf))
goto fail;
offset = 0x40;
end = get_streamfile_size(sf);
while (offset < end) {
uint32_t type = read_u32be(offset + 0x00, sf); /* hash-id? */
uint32_t size = read_u32le(offset + 0x04, sf);
/* parse chunk-like subfiles, usually N configs then N songs */
switch(type) {
case 0x6172DBA8: /* padding (empty) */
case 0xBD888C36: /* config (floats, stream id, etc, may have extended name) */
case 0xC9C48EC1: /* unknown (has some string inside like "boss") */
case 0xA9D23BF1: /* "state container", some kind of config/floats, witgh names like 'State_bgm01'..N */
case 0x836FBECA: /* unknown (~0x300, encrypted? table + data) */
break;
case 0xC5CCCB70: /* sound (internal data or external stream) */
ktsr->total_subsongs++;
/* sound table:
* 08: stream id (used in several places)
* 0c: unknown (low number but not version?)
* 0e: external flag
* 10: sub-streams?
* 14: offset to header offset
* 18: offset to name
* --: name
* --: header offset
* --: header
* --: subheader (varies) */
if (ktsr->total_subsongs == ktsr->target_subsong) {
stream_id = read_u32be(offset + 0x08,sf);
//ktsr->is_external = read_u16le(offset + 0x0e,sf);
stream_count = read_u32le(offset + 0x10,sf);
if (stream_count != 1) {
VGM_LOG("ktsr: unknown stream count\n");
goto fail;
}
header_offset = read_u32le(offset + 0x14, sf);
name_offset = read_u32le(offset + 0x18, sf);
if (name_offset > 0)
ktsr->sound_name_offset = offset + name_offset;
header_offset = read_u32le(offset + header_offset, sf) + offset;
if (!parse_ktsr_subfile(ktsr, sf, header_offset))
goto fail;
}
break;
default:
/* streams also have their own chunks like 0x09D4F415, not needed here */
VGM_LOG("ktsr: unknown chunk at %x\n", offset);
goto fail;
}
offset += size;
}
if (ktsr->target_subsong > ktsr->total_subsongs)
goto fail;
parse_longname(ktsr, sf, stream_id);
build_name(ktsr, sf);
return 1;
fail:
vgm_logi("KTSR: unknown variation (report)\n");
return 0;
}
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