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Add some ogg and cleanup [Yuppie Psycho (PC), Blaster Master Zero (PC)]

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This commit is contained in:
bnnm 2019-06-23 22:25:06 +02:00
parent e003e2c2bf
commit 88ebf49b34
5 changed files with 206 additions and 176 deletions
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4
src/libvgmstream.vcproj
View File

@ -272,6 +272,10 @@
RelativePath=".\meta\mta2_streamfile.h"
>
</File>
<File
RelativePath=".\meta\ogg_vorbis_streamfile.h"
>
</File>
<File
RelativePath=".\meta\opus_interleave_streamfile.h"
>

1
src/libvgmstream.vcxproj
View File

@ -113,6 +113,7 @@
<ClInclude Include="meta\ppst_streamfile.h" />
<ClInclude Include="meta\vsv_streamfile.h" />
<ClInclude Include="meta\mta2_streamfile.h" />
<ClInclude Include="meta\ogg_vorbis_streamfile.h" />
<ClInclude Include="meta\opus_interleave_streamfile.h" />
<ClInclude Include="meta\sfh_streamfile.h" />
<ClInclude Include="meta\sqex_scd_streamfile.h" />

3
src/libvgmstream.vcxproj.filters
View File

@ -101,6 +101,9 @@
<ClInclude Include="meta\mta2_streamfile.h">
<Filter>meta\Header Files</Filter>
</ClInclude>
<ClInclude Include="meta\ogg_vorbis_streamfile.h">
<Filter>meta\Header Files</Filter>
</ClInclude>
<ClInclude Include="meta\opus_interleave_streamfile.h">
<Filter>meta\Header Files</Filter>
</ClInclude>

298
src/meta/ogg_vorbis.c
View File

@ -3,8 +3,9 @@
#ifdef VGM_USE_VORBIS
#include <stdio.h>
#include <string.h>
#include "meta.h"
#include <vorbis/vorbisfile.h>
#include "meta.h"
#include "ogg_vorbis_streamfile.h"
#define OGG_DEFAULT_BITSTREAM 0
@ -110,64 +111,12 @@ static void psychic_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb
size_t bytes_read = size*nmemb;
int i;
/* bytes add 0x23 ('#') */
/* bytes add 0x23 ('#') */ //todo incorrect, add changes every 0x64 bytes
for (i = 0; i < bytes_read; i++) {
((uint8_t*)ptr)[i] += 0x23;
}
}
static void sngw_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
char *header_id = "OggS";
uint8_t key[4];
put_32bitBE(key, ov_streamfile->xor_value);
/* first "OggS" is changed and bytes are xor'd and nibble-swapped */
for (i = 0; i < bytes_read; i++) {
if (ov_streamfile->offset+i < 0x04) {
((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
}
else {
uint8_t val = ((uint8_t*)ptr)[i] ^ key[(ov_streamfile->offset + i) % 4];
((uint8_t*)ptr)[i] = ((val << 4) & 0xf0) | ((val >> 4) & 0x0f);
}
}
}
static void isd_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
static const uint8_t key[16] = {
0xe0,0x00,0xe0,0x00,0xa0,0x00,0x00,0x00,0xe0,0x00,0xe0,0x80,0x40,0x40,0x40,0x00
};
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
/* bytes are xor'd */
for (i = 0; i < bytes_read; i++) {
((uint8_t*)ptr)[i] ^= key[(ov_streamfile->offset + i) % 16];
}
}
static void l2sd_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
char *header_id = "OggS";
/* first "OggS" is changed */
for (i = 0; i < bytes_read; i++) {
if (ov_streamfile->offset+i < 0x04) {
((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
}
else {
break;
}
}
}
static void rpgmvo_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
static const uint8_t header[16] = { /* OggS, packet type, granule, stream id(empty) */
0x4F,0x67,0x67,0x53,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
@ -191,89 +140,6 @@ static void rpgmvo_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb,
}
}
static void eno_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
/* bytes are xor'd */
for (i = 0; i < bytes_read; i++) {
((uint8_t*)ptr)[i] ^= (uint8_t)ov_streamfile->xor_value;
}
}
static void ys8_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
/* bytes are xor'd and nibble-swapped */
for (i = 0; i < bytes_read; i++) {
uint8_t val = ((uint8_t*)ptr)[i] ^ ov_streamfile->xor_value;
((uint8_t*)ptr)[i] = ((val << 4) & 0xf0) | ((val >> 4) & 0x0f);
}
}
static void gwm_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
/* bytes are xor'd */
for (i = 0; i < bytes_read; i++) {
((uint8_t*)ptr)[i] ^= (uint8_t)ov_streamfile->xor_value;
}
}
static void mus_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
static const uint8_t key[16] = {
0x21,0x4D,0x6F,0x01,0x20,0x4C,0x6E,0x02,0x1F,0x4B,0x6D,0x03,0x20,0x4C,0x6E,0x02
};
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
char *header_id = "OggS";
/* first "OggS" is changed and bytes are xor'd */
for (i = 0; i < bytes_read; i++) {
if (ov_streamfile->offset+i < 0x04) { /* if decrypted gives "Mus " */
((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
}
else {
((uint8_t*)ptr)[i] ^= key[(ov_streamfile->offset + i) % sizeof(key)];
}
}
}
static void lse_add_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
/* bytes are xor'd */
for (i = 0; i < bytes_read; i++) {
int key = (uint8_t)ov_streamfile->xor_value + ((ov_streamfile->offset + i) % 256);
((uint8_t*)ptr)[i] ^= key;
}
}
static void lse_ff_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
char *header_id = "OggS";
/* first "OggS" is changed and bytes are xor'd */
for (i = 0; i < bytes_read; i++) {
if (ov_streamfile->offset+i < 0x04) {
((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
}
else {
((uint8_t*)ptr)[i] ^= 0xFF;
}
}
}
static const uint32_t xiph_mappings[] = {
0,
@ -290,6 +156,9 @@ static const uint32_t xiph_mappings[] = {
/* Ogg Vorbis, by way of libvorbisfile; may contain loop comments */
VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE *temp_streamFile = NULL;
ogg_vorbis_io_config_data cfg = {0};
ogg_vorbis_meta_info_t ovmi = {0};
off_t start_offset = 0;
@ -320,7 +189,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
is_kovs = 1;
} else if (check_extensions(streamFile,"sngw")) { /* .sngw: Capcom [Devil May Cry 4 SE (PC), Biohazard 6 (PC)] */
is_sngw = 1;
} else if (check_extensions(streamFile,"isd")) { /* .isd: Azure Striker Gunvolt (PC) */
} else if (check_extensions(streamFile,"isd")) { /* .isd: Inti Creates PC games */
is_isd = 1;
} else if (check_extensions(streamFile,"rpgmvo")) { /* .rpgmvo: RPG Maker MV games (PC) */
is_rpgmvo = 1;
@ -341,14 +210,21 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
ovmi.decryption_callback = psychic_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
}
else if (read_32bitBE(0x00,streamFile) == 0x4C325344) { /* "L2SD" [Lineage II Chronicle 4 (PC)] */
ovmi.decryption_callback = l2sd_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
else if (read_32bitBE(0x00,streamFile) == 0x4C325344) { /* "L2SD" instead of "OggS" [Lineage II Chronicle 4 (PC)] */
cfg.is_header_swap = 1;
cfg.is_encrypted = 1;
}
else if (read_32bitBE(0x00,streamFile) == 0x048686C5) { /* "OggS" XOR'ed + bitswapped [Ys VIII (PC)] */
ovmi.xor_value = 0xF0;
ovmi.decryption_callback = ys8_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
cfg.key[0] = 0xF0;
cfg.key_len = 1;
cfg.is_nibble_swap = 1;
cfg.is_encrypted = 1;
}
else if (read_32bitBE(0x00,streamFile) == 0x00000000 && /* null instead of "OggS" [Yuppie Psycho (PC)] */
read_32bitBE(0x3a,streamFile) == 0x4F676753) {
cfg.is_header_swap = 1;
cfg.is_encrypted = 1;
}
else if (read_32bitBE(0x00,streamFile) == 0x4f676753) { /* "OggS" (standard) */
ovmi.meta_type = meta_OGG_VORBIS;
@ -365,7 +241,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
ovmi.meta_type = meta_OGG_encrypted;
}
if (is_kovs) { /* Koei Tecmo PC games] */
if (is_kovs) { /* Koei Tecmo PC games */
if (read_32bitBE(0x00,streamFile) != 0x4b4f5653) { /* "KOVS" */
goto fail;
}
@ -379,24 +255,72 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
if (is_sngw) { /* [Capcom's MT Framework PC games] */
if (read_32bitBE(0x00,streamFile) != 0x4f676753) { /* "OggS" (optionally encrypted) */
ovmi.xor_value = read_32bitBE(0x00,streamFile);
ovmi.decryption_callback = sngw_ogg_decryption_callback;
cfg.key_len = read_streamfile(cfg.key, 0x00, 0x04, streamFile);
cfg.is_header_swap = 1;
cfg.is_nibble_swap = 1;
cfg.is_encrypted = 1;
}
ovmi.disable_reordering = 1; /* must be an MT Framework thing */
ovmi.meta_type = meta_OGG_encrypted;
}
if (is_isd) { /* [Gunvolt (PC)] */
ovmi.decryption_callback = isd_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
if (is_isd) { /* Inti Creates PC games */
//const char *isl_name = NULL;
//todo looping unknown, not in Ogg comments
// game has sound/GV_steam.* files with info about sound/stream/*.isd
//- .ish: constant id/names
//- .isl: unknown table, maybe looping?
//- .isf: format table, ordered like file numbers, 0x18 header with:
// 0x00(2): ?, 0x02(2): channels, 0x04: sample rate, 0x08: skip samples (in PCM bytes), always 32000
// 0x0c(2): PCM block size, 0x0e(2): PCM bps, 0x10: null, 0x18: samples (in PCM bytes)
/* check various encrypted "OggS" values */
if (read_32bitBE(0x00,streamFile) == 0xAF678753) { /* Azure Striker Gunvolt (PC) */
static const uint8_t isd_gv_key[16] = {
0xe0,0x00,0xe0,0x00,0xa0,0x00,0x00,0x00,0xe0,0x00,0xe0,0x80,0x40,0x40,0x40,0x00
};
cfg.key_len = sizeof(isd_gv_key);
memcpy(cfg.key, isd_gv_key, cfg.key_len);
//isl_name = "GV_steam.isl";
}
else if (read_32bitBE(0x00,streamFile) == 0x0FE787D3) { /* Mighty Gunvolt (PC) */
static const uint8_t isd_mgv_key[120] = {
0x40,0x80,0xE0,0x80,0x40,0x40,0xA0,0x00,0xA0,0x40,0x00,0x80,0x00,0x40,0xA0,0x00,
0xC0,0x40,0xE0,0x00,0x60,0x40,0x80,0x00,0xA0,0x00,0xE0,0x00,0x60,0x40,0xC0,0x00,
0xA0,0x40,0xC0,0x80,0xE0,0x00,0x60,0x00,0x00,0x40,0x00,0x80,0xE0,0x80,0x40,0x00,
0xA0,0x80,0xA0,0x80,0x80,0xC0,0x60,0x00,0xA0,0x00,0xA0,0x80,0x40,0x80,0x60,0x00,
0x40,0xC0,0x20,0x00,0x20,0xC0,0x00,0x00,0x00,0xC0,0x20,0x00,0xC0,0xC0,0x60,0x00,
0xE0,0xC0,0x80,0x80,0x20,0x00,0x60,0x00,0xE0,0xC0,0xC0,0x00,0x20,0xC0,0xC0,0x00,
0x60,0x00,0xE0,0x80,0x00,0xC0,0x00,0x00,0x60,0x80,0x40,0x80,0x20,0x80,0x20,0x00,
0x80,0x40,0xE0,0x00,0x20,0x00,0x20,0x00,
};
cfg.key_len = sizeof(isd_mgv_key);
memcpy(cfg.key, isd_mgv_key, cfg.key_len);
//isl_name = "MGV_steam.isl";
}
else if (read_32bitBE(0x00,streamFile) == 0x0FA74753) { /* Blaster Master Zero (PC) */
static const uint8_t isd_bmz_key[120] = {
0x40,0xC0,0x20,0x00,0x40,0xC0,0xC0,0x00,0x00,0x80,0xE0,0x80,0x80,0x40,0x20,0x00,
0x60,0xC0,0xC0,0x00,0xA0,0x80,0x60,0x00,0x40,0x40,0x20,0x00,0x60,0x40,0xC0,0x00,
0x60,0x80,0xC0,0x80,0x40,0xC0,0x00,0x00,0xA0,0xC0,0x80,0x80,0x60,0x80,0xA0,0x00,
0x40,0x80,0x60,0x00,0x20,0x00,0xC0,0x00,0x60,0x00,0xA0,0x80,0x40,0x40,0xA0,0x00,
0x40,0x40,0xC0,0x80,0x00,0x80,0x60,0x00,0x80,0xC0,0xA0,0x00,0xE0,0x40,0xC0,0x00,
0x20,0x80,0xE0,0x00,0x40,0xC0,0xA0,0x00,0xE0,0xC0,0xC0,0x80,0xE0,0x80,0xC0,0x00,
0x40,0x40,0x00,0x00,0x20,0x40,0x80,0x00,0xE0,0x80,0x20,0x80,0x40,0x80,0xE0,0x00,
0xA0,0x00,0xC0,0x80,0xE0,0x00,0x20,0x00
};
cfg.key_len = sizeof(isd_bmz_key);
memcpy(cfg.key, isd_bmz_key, cfg.key_len);
//isl_name = "output.isl";
}
else {
goto fail;
}
cfg.is_encrypted = 1;
/* .isd have companion files in the prev folder:
* - .ish: constant id/names (not always)
* - .isf: format table, ordered like file id/numbers, 0x18 header with:
* 0x00(2): ?, 0x02(2): channels, 0x04: sample rate, 0x08: skip samples (in PCM bytes), always 32000
* 0x0c(2): PCM block size, 0x0e(2): PCM bps, 0x10: null, 0x18: samples (in PCM bytes)
* - .isl: looping table (encrypted like the files) */
//if (isl_name) {
// ...
//}
}
if (is_rpgmvo) { /* [RPG Maker MV (PC)] */
@ -411,42 +335,63 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
}
if (is_eno) { /* [Metronomicon (PC)] */
/* first byte probably derives into xor key, but this works too */
ovmi.xor_value = read_8bit(0x05,streamFile); /* always zero = easy key */
ovmi.decryption_callback = eno_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
start_offset = 0x01;
/* first byte probably derives into key, but this works too */
cfg.key[0] = (uint8_t)read_8bit(0x05,streamFile); /* regular ogg have a zero at this offset = easy key */;
cfg.key_len = 1;
cfg.is_encrypted = 1;
start_offset = 0x01; /* "OggS" starts after key-thing */
}
if (is_gwm) { /* [Adagio: Cloudburst (PC)] */
ovmi.xor_value = 0x5D;
ovmi.decryption_callback = gwm_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
cfg.key[0] = 0x5D;
cfg.key_len = 1;
cfg.is_encrypted = 1;
}
if (is_mus) { /* [Redux - Dark Matters (PC)] */
ovmi.decryption_callback = mus_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
static const uint8_t mus_key[16] = {
0x21,0x4D,0x6F,0x01,0x20,0x4C,0x6E,0x02,0x1F,0x4B,0x6D,0x03,0x20,0x4C,0x6E,0x02
};
cfg.key_len = sizeof(mus_key);
memcpy(cfg.key, mus_key, cfg.key_len);
cfg.is_header_swap = 1; /* decrypted header gives "Mus " */
cfg.is_encrypted = 1;
}
if (is_lse) { /* [Nippon Ichi PC games] */
if (read_32bitBE(0x00,streamFile) == 0xFFFFFFFF) { /* [Operation Abyss: New Tokyo Legacy (PC)] */
ovmi.decryption_callback = lse_ff_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_encrypted;
cfg.key[0] = 0xFF;
cfg.key_len = 1;
cfg.is_header_swap = 1;
cfg.is_encrypted = 1;
}
else { /* [Operation Babel: New Tokyo Legacy (PC), Labyrinth of Refrain: Coven of Dusk (PC)] */
ovmi.decryption_callback = lse_add_ogg_decryption_callback;
ovmi.xor_value = (uint8_t)read_8bit(0x04,streamFile) - 0x04;
int i;
/* found at file_size-1 but this works too (same key for most files but can vary) */
uint8_t base_key = (uint8_t)read_8bit(0x04,streamFile) - 0x04;
cfg.key_len = 256;
for (i = 0; i < cfg.key_len; i++) {
cfg.key[i] = (uint8_t)(base_key + i);
}
cfg.is_encrypted = 1;
}
}
if (cfg.is_encrypted) {
ovmi.meta_type = meta_OGG_encrypted;
/* key is found at file_size-1 but this works too (same key for most files but can vary) */
}
temp_streamFile = setup_ogg_vorbis_streamfile(streamFile, cfg);
if (!temp_streamFile) goto fail;
}
vgmstream = init_vgmstream_ogg_vorbis_callbacks(temp_streamFile != NULL ? temp_streamFile : streamFile, NULL, start_offset, &ovmi);
return init_vgmstream_ogg_vorbis_callbacks(streamFile, NULL, start_offset, &ovmi);
close_streamfile(temp_streamFile);
return vgmstream;
fail:
close_streamfile(temp_streamFile);
return NULL;
}
@ -528,6 +473,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis_callbacks(STREAMFILE *streamFile, ov_callb
ovf = &data->ogg_vorbis_file;
}
//todo could set bitstreams as subsongs?
/* get info from bitstream 0 */
data->bitstream = OGG_DEFAULT_BITSTREAM;
vi = ov_info(ovf,OGG_DEFAULT_BITSTREAM);

76
src/meta/ogg_vorbis_streamfile.h Normal file
View File

@ -0,0 +1,76 @@
#ifndef _OGG_VORBIS_STREAMFILE_H_
#define _OGG_VORBIS_STREAMFILE_H_
#include "../streamfile.h"
typedef struct {
int is_encrypted;
uint8_t key[0x100];
size_t key_len;
int is_nibble_swap;
int is_header_swap;
} ogg_vorbis_io_config_data;
typedef struct {
/* config */
ogg_vorbis_io_config_data cfg;
} ogg_vorbis_io_data;
static size_t ogg_vorbis_io_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, ogg_vorbis_io_data* data) {
size_t bytes_read;
int i;
static const uint8_t header_swap[4] = { 0x4F,0x67,0x67,0x53 }; /* "OggS" */
static const size_t header_size = 0x04;
bytes_read = streamfile->read(streamfile, dest, offset, length);
if (data->cfg.is_encrypted) {
for (i = 0; i < bytes_read; i++) {
if (data->cfg.is_header_swap && (offset + i) < header_size) {
dest[i] = header_swap[(offset + i) % header_size];
}
else {
if (!data->cfg.key_len && !data->cfg.is_nibble_swap)
break;
if (data->cfg.key_len)
dest[i] ^= data->cfg.key[(offset + i) % data->cfg.key_len];
if (data->cfg.is_nibble_swap)
dest[i] = ((dest[i] << 4) & 0xf0) | ((dest[i] >> 4) & 0x0f);
}
}
}
return bytes_read;
}
//todo maybe use generic decryption streamfile
static STREAMFILE* setup_ogg_vorbis_streamfile(STREAMFILE *streamFile, ogg_vorbis_io_config_data cfg) {
STREAMFILE *temp_streamFile = NULL, *new_streamFile = NULL;
ogg_vorbis_io_data io_data = {0};
size_t io_data_size = sizeof(ogg_vorbis_io_data);
/* setup decryption */
io_data.cfg = cfg; /* memcpy */
/* setup custom streamfile */
new_streamFile = open_wrap_streamfile(streamFile);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
//todo extension .ogg?
new_streamFile = open_io_streamfile(temp_streamFile, &io_data,io_data_size, ogg_vorbis_io_read,NULL);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
return temp_streamFile;
fail:
close_streamfile(temp_streamFile);
return NULL;
}
#endif /* _OGG_VORBIS_STREAMFILE_H_ */