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vgmstream/src/meta/ea_eaac.c

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Tweak EAAC Opus init
2019-11-04 23:32:27 +01:00
#include <math.h>
#include "meta.h"
#include "../layout/layout.h"
#include "../coding/coding.h"
#include "ea_eaac_streamfile.h"
/* EAAudioCore formats, EA's current audio middleware */
#define EAAC_VERSION_V0 0x00 /* SNR/SNS */
#define EAAC_VERSION_V1 0x01 /* SPS */
#define EAAC_CODEC_NONE 0x00 /* XAS v0? */
#define EAAC_CODEC_RESERVED 0x01 /* EALAYER3 V1a? MP30/P6L0/P2B0/P2L0/P8S0/P8U0/PFN0? */
#define EAAC_CODEC_PCM16BE 0x02
#define EAAC_CODEC_EAXMA 0x03
#define EAAC_CODEC_XAS1 0x04
#define EAAC_CODEC_EALAYER3_V1 0x05
#define EAAC_CODEC_EALAYER3_V2_PCM 0x06
#define EAAC_CODEC_EALAYER3_V2_SPIKE 0x07
#define EAAC_CODEC_GCADPCM 0x08
#define EAAC_CODEC_EASPEEX 0x09
#define EAAC_CODEC_EATRAX 0x0a
#define EAAC_CODEC_EAMP3 0x0b
#define EAAC_CODEC_EAOPUS 0x0c
#define EAAC_TYPE_RAM 0x00
#define EAAC_TYPE_STREAM 0x01
#define EAAC_LOOP_SET 0x01
#define EAAC_BLOCKID0_DATA 0x00
#define EAAC_BLOCKID0_END 0x80 /* maybe meant to be a bitflag? */
#define EAAC_BLOCKID1_HEADER 0x48 /* 'H' */
#define EAAC_BLOCKID1_DATA 0x44 /* 'D' */
#define EAAC_BLOCKID1_END 0x45 /* 'E' */
static VGMSTREAM * init_vgmstream_eaaudiocore_header(STREAMFILE * streamHead, STREAMFILE * streamData, off_t header_offset, off_t start_offset, meta_t meta_type);
static size_t get_snr_size(STREAMFILE *streamFile, off_t offset);
static VGMSTREAM *parse_s10a_header(STREAMFILE *streamFile, off_t offset, uint16_t target_index, off_t ast_offset);
VGMSTREAM * init_vgmstream_gin_header(STREAMFILE *streamFile, off_t offset);
/* .SNR+SNS - from EA latest games (~2008-2013), v0 header */
VGMSTREAM * init_vgmstream_ea_snr_sns(STREAMFILE * streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE * streamData = NULL;
/* check extension, case insensitive */
if (!check_extensions(streamFile,"snr"))
goto fail;
/* SNR headers normally need an external SNS file, but some have data [Burnout Paradise, NFL2013 (iOS)] */
if (get_streamfile_size(streamFile) > 0x10) {
off_t start_offset = get_snr_size(streamFile, 0x00);
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, streamFile, 0x00, start_offset, meta_EA_SNR_SNS);
if (!vgmstream) goto fail;
}
else {
streamData = open_streamfile_by_ext(streamFile,"sns");
if (!streamData) goto fail;
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, streamData, 0x00, 0x00, meta_EA_SNR_SNS);
if (!vgmstream) goto fail;
}
close_streamfile(streamData);
return vgmstream;
fail:
close_streamfile(streamData);
return NULL;
}
/* .SPS - from EA latest games (~2014), v1 header */
VGMSTREAM * init_vgmstream_ea_sps(STREAMFILE * streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset;
/* check extension, case insensitive */
if (!check_extensions(streamFile,"sps"))
goto fail;
/* SPS block start: 0x00(1): block flag (header=0x48); 0x01(3): block size (usually 0x0c-0x14) */
if (read_8bit(0x00, streamFile) != EAAC_BLOCKID1_HEADER)
goto fail;
start_offset = read_32bitBE(0x00, streamFile) & 0x00FFFFFF;
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, streamFile, 0x04, start_offset, meta_EA_SPS);
if (!vgmstream) goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}
/* .SNU - from EA Redwood Shores/Visceral games (Dead Space, Dante's Inferno, The Godfather 2), v0 header */
VGMSTREAM * init_vgmstream_ea_snu(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, header_offset;
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
/* check extension, case insensitive */
if (!check_extensions(streamFile,"snu"))
goto fail;
/* EA SNU header (BE/LE depending on platform) */
/* 0x00(1): related to sample rate? (03=48000)
* 0x01(1): flags/count? (when set has extra block data before start_offset)
* 0x02(1): always 0?
* 0x03(1): channels? (usually matches but rarely may be 0)
* 0x04(4): some size, maybe >>2 ~= number of frames
* 0x08(4): start offset
* 0x0c(4): some sub-offset? (0x20, found when @0x01 is set) */
/* use start_offset as endianness flag */
if (guess_endianness32bit(0x08,streamFile)) {
read_32bit = read_32bitBE;
} else {
read_32bit = read_32bitLE;
}
header_offset = 0x10; /* SNR header */
start_offset = read_32bit(0x08,streamFile); /* SNS blocks */
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, streamFile, header_offset, start_offset, meta_EA_SNU);
if (!vgmstream) goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}
/* EA ABK - ABK header seems to be same as in the old games but the sound table is different and it contains SNR/SNS sounds instead */
VGMSTREAM * init_vgmstream_ea_abk_eaac(STREAMFILE *streamFile) {
int is_dupe, total_sounds = 0, target_stream = streamFile->stream_index;
off_t bnk_offset, header_table_offset, base_offset, unk_struct_offset, table_offset, snd_entry_offset, ast_offset;
off_t num_entries_off, base_offset_off, entries_off, sound_table_offset_off;
uint32_t i, j, k, num_sounds, total_sound_tables;
uint16_t num_tables, bnk_index, bnk_target_index;
uint8_t num_entries, extra_entries;
off_t sound_table_offsets[0x2000];
VGMSTREAM *vgmstream;
int32_t(*read_32bit)(off_t, STREAMFILE*);
int16_t(*read_16bit)(off_t, STREAMFILE*);
/* check extension */
if (!check_extensions(streamFile, "abk"))
goto fail;
if (read_32bitBE(0x00, streamFile) != 0x41424B43) /* "ABKC" */
goto fail;
/* use table offset to check endianness */
if (guess_endianness32bit(0x1C, streamFile)) {
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
} else {
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
}
if (target_stream == 0) target_stream = 1;
if (target_stream < 0)
goto fail;
num_tables = read_16bit(0x0A, streamFile);
header_table_offset = read_32bit(0x1C, streamFile);
bnk_offset = read_32bit(0x20, streamFile);
total_sound_tables = 0;
bnk_target_index = 0xFFFF;
ast_offset = 0;
if (!bnk_offset || read_32bitBE(bnk_offset, streamFile) != 0x53313041) /* "S10A" */
goto fail;
/* set up some common values */
if (header_table_offset == 0x5C) {
/* the usual variant */
num_entries_off = 0x24;
base_offset_off = 0x2C;
entries_off = 0x3C;
sound_table_offset_off = 0x04;
} else if (header_table_offset == 0x78) {
/* FIFA 08 has a bunch of extra zeroes all over the place, don't know what's up with that */
num_entries_off = 0x40;
base_offset_off = 0x54;
entries_off = 0x68;
sound_table_offset_off = 0x0C;
} else {
goto fail;
}
for (i = 0; i < num_tables; i++) {
num_entries = read_8bit(header_table_offset + num_entries_off, streamFile);
extra_entries = read_8bit(header_table_offset + num_entries_off + 0x03, streamFile);
base_offset = read_32bit(header_table_offset + base_offset_off, streamFile);
if (num_entries == 0xff) goto fail; /* EOF read */
for (j = 0; j < num_entries; j++) {
unk_struct_offset = read_32bit(header_table_offset + entries_off + 0x04 * j, streamFile);
table_offset = read_32bit(base_offset + unk_struct_offset + sound_table_offset_off, streamFile);
/* For some reason, there are duplicate entries pointing at the same sound tables */
is_dupe = 0;
for (k = 0; k < total_sound_tables; k++) {
if (table_offset == sound_table_offsets[k]) {
is_dupe = 1;
break;
}
}
if (is_dupe)
continue;
sound_table_offsets[total_sound_tables++] = table_offset;
num_sounds = read_32bit(table_offset, streamFile);
if (num_sounds == 0xffffffff) goto fail; /* EOF read */
for (k = 0; k < num_sounds; k++) {
/* 0x00: sound index */
/* 0x02: ??? */
/* 0x04: ??? */
/* 0x08: streamed data offset */
snd_entry_offset = table_offset + 0x04 + 0x0C * k;
bnk_index = read_16bit(snd_entry_offset + 0x00, streamFile);
/* some of these are dummies */
if (bnk_index == 0xFFFF)
continue;
total_sounds++;
if (target_stream == total_sounds) {
bnk_target_index = bnk_index;
ast_offset = read_32bit(snd_entry_offset + 0x08, streamFile);
}
}
}
header_table_offset += entries_off + num_entries * 0x04 + extra_entries * 0x04;
}
if (bnk_target_index == 0xFFFF || ast_offset == 0)
goto fail;
vgmstream = parse_s10a_header(streamFile, bnk_offset, bnk_target_index, ast_offset);
if (!vgmstream)
goto fail;
vgmstream->num_streams = total_sounds;
return vgmstream;
fail:
return NULL;
}
/* EA S10A header - seen inside new ABK files. Putting it here in case it's encountered stand-alone. */
static VGMSTREAM * parse_s10a_header(STREAMFILE *streamFile, off_t offset, uint16_t target_index, off_t ast_offset) {
uint32_t num_sounds;
off_t snr_offset, sns_offset;
STREAMFILE *astFile = NULL;
VGMSTREAM *vgmstream;
/* header is always big endian */
/* 0x00: header magic */
/* 0x04: zero */
/* 0x08: number of files */
/* 0x0C: offsets table */
if (read_32bitBE(offset + 0x00, streamFile) != 0x53313041) /* "S10A" */
goto fail;
num_sounds = read_32bitBE(offset + 0x08, streamFile);
if (num_sounds == 0 || target_index >= num_sounds)
goto fail;
snr_offset = offset + read_32bitBE(offset + 0x0C + 0x04 * target_index, streamFile);
if (ast_offset == 0xFFFFFFFF) {
/* RAM asset */
sns_offset = snr_offset + get_snr_size(streamFile, snr_offset);
//;VGM_LOG("EA S10A: RAM at sns=%lx, sns=%lx\n", snr_offset, sns_offset);
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, streamFile, snr_offset, sns_offset, meta_EA_SNR_SNS);
if (!vgmstream)
goto fail;
} else {
/* streamed asset */
astFile = open_streamfile_by_ext(streamFile, "ast");
if (!astFile)
goto fail;
if (read_32bitBE(0x00, astFile) != 0x53313053) /* "S10S" */
goto fail;
sns_offset = ast_offset;
//;VGM_LOG("EA S10A: stream at sns=%lx, sns=%lx\n", snr_offset, sns_offset);
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, astFile, snr_offset, sns_offset, meta_EA_SNR_SNS);
if (!vgmstream)
goto fail;
close_streamfile(astFile);
}
return vgmstream;
fail:
close_streamfile(astFile);
return NULL;
}
/* EA SBR/SBS - used in older 7th gen games for storing SFX */
VGMSTREAM * init_vgmstream_ea_sbr(STREAMFILE *streamFile) {
uint32_t i, num_sounds, type_desc;
uint16_t num_metas, meta_type;
off_t table_offset, types_offset, entry_offset, metas_offset, data_offset, snr_offset, sns_offset;
STREAMFILE *sbsFile = NULL;
VGMSTREAM *vgmstream = NULL;
int target_stream = streamFile->stream_index;
if (!check_extensions(streamFile, "sbr"))
goto fail;
if (read_32bitBE(0x00, streamFile) != 0x53424B52) /* "SBKR" */
goto fail;
/* SBR files are always big endian */
num_sounds = read_32bitBE(0x1c, streamFile);
table_offset = read_32bitBE(0x24, streamFile);
types_offset = read_32bitBE(0x28, streamFile);
if (target_stream == 0) target_stream = 1;
if (target_stream < 0 || num_sounds == 0 || target_stream > num_sounds)
goto fail;
entry_offset = table_offset + 0x0a * (target_stream - 1);
num_metas = read_16bitBE(entry_offset + 0x04, streamFile);
metas_offset = read_32bitBE(entry_offset + 0x06, streamFile);
snr_offset = 0;
sns_offset = 0;
for (i = 0; i < num_metas; i++) {
entry_offset = metas_offset + 0x06 * i;
meta_type = read_16bitBE(entry_offset + 0x00, streamFile);
data_offset = read_32bitBE(entry_offset + 0x02, streamFile);
type_desc = read_32bitBE(types_offset + 0x06 * meta_type, streamFile);
switch (type_desc) {
case 0x534E5231: /* "SNR1" */
snr_offset = data_offset;
break;
case 0x534E5331: /* "SNS1" */
sns_offset = read_32bitBE(data_offset, streamFile);
break;
default:
break;
}
}
if (snr_offset == 0 && sns_offset == 0)
goto fail;
if (snr_offset == 0) {
/* SPS file */
sbsFile = open_streamfile_by_ext(streamFile, "sbs");
if (!sbsFile)
goto fail;
if (read_32bitBE(0x00, sbsFile) != 0x53424B53) /* "SBKS" */
goto fail;
snr_offset = sns_offset;
sns_offset = snr_offset + (read_32bitBE(snr_offset, sbsFile) & 0x00FFFFFF);
snr_offset += 0x04;
vgmstream = init_vgmstream_eaaudiocore_header(sbsFile, sbsFile, snr_offset, sns_offset, meta_EA_SPS);
if (!vgmstream)
goto fail;
} else if (sns_offset == 0) {
/* RAM asset */
sns_offset = snr_offset + get_snr_size(streamFile, snr_offset);
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, streamFile, snr_offset, sns_offset, meta_EA_SNR_SNS);
if (!vgmstream)
goto fail;
} else {
/* streamed asset */
sbsFile = open_streamfile_by_ext(streamFile, "sbs");
if (!sbsFile)
goto fail;
if (read_32bitBE(0x00, sbsFile) != 0x53424B53) /* "SBKS" */
goto fail;
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, sbsFile, snr_offset, sns_offset, meta_EA_SNR_SNS);
if (!vgmstream)
goto fail;
}
vgmstream->num_streams = num_sounds;
close_streamfile(sbsFile);
return vgmstream;
fail:
close_streamfile(sbsFile);
return NULL;
}
/* EA HDR/STH/DAT - seen in older 7th gen games, used for storing speech */
VGMSTREAM * init_vgmstream_ea_hdr_sth_dat(STREAMFILE *streamFile) {
int target_stream = streamFile->stream_index;
uint8_t userdata_size, total_sounds, block_id;
off_t snr_offset, sns_offset, sth_offset, sth_offset2;
size_t dat_size, block_size;
STREAMFILE *datFile = NULL, *sthFile = NULL;
VGMSTREAM *vgmstream;
int32_t(*read_32bit)(off_t, STREAMFILE*);
/* 0x00: ID */
/* 0x02: userdata size */
/* 0x03: number of files */
/* 0x04: sub-ID (used for different police voices in NFS games) */
/* 0x08: alt number of files? */
/* 0x09: zero */
/* 0x0A: related to size? */
/* 0x0C: zero */
/* 0x10: table start */
if (read_8bit(0x09, streamFile) != 0)
goto fail;
if (read_32bitBE(0x0c, streamFile) != 0)
goto fail;
/* first offset is always zero */
if (read_16bitBE(0x10, streamFile) != 0)
goto fail;
sthFile = open_streamfile_by_ext(streamFile, "sth");
if (!sthFile)
goto fail;
datFile = open_streamfile_by_ext(streamFile, "dat");
if (!datFile)
goto fail;
/* STH always starts with the first offset of zero */
sns_offset = read_32bitBE(0x00, sthFile);
if (sns_offset != 0)
goto fail;
/* check if DAT starts with a correct SNS block */
block_id = read_8bit(0x00, datFile);
if (block_id != EAAC_BLOCKID0_DATA && block_id != EAAC_BLOCKID0_END)
goto fail;
userdata_size = read_8bit(0x02, streamFile);
total_sounds = read_8bit(0x03, streamFile);
if (read_8bit(0x08, streamFile) > total_sounds)
goto fail;
if (target_stream == 0) target_stream = 1;
if (target_stream < 0 || total_sounds == 0 || target_stream > total_sounds)
goto fail;
/* offsets in HDR are always big endian */
sth_offset = (uint16_t)read_16bitBE(0x10 + (0x02 + userdata_size) * (target_stream - 1), streamFile);
#if 0
snr_offset = sth_offset + 0x04;
sns_offset = read_32bit(sth_offset + 0x00, sthFile);
#else
/* we can't reliably detect byte endianness so we're going to find the sound the hacky way */
dat_size = get_streamfile_size(datFile);
snr_offset = 0;
sns_offset = 0;
if (total_sounds == 1) {
/* always 0 */
snr_offset = sth_offset + 0x04;
sns_offset = 0x00;
} else {
/* find the first sound size and match it up with the second sound offset to detect endianness */
while (1) {
if (sns_offset >= dat_size)
goto fail;
block_id = read_8bit(sns_offset, datFile);
block_size = read_32bitBE(sns_offset, datFile) & 0x00FFFFFF;
if (block_size == 0)
goto fail;
if (block_id != EAAC_BLOCKID0_DATA && block_id != EAAC_BLOCKID0_END)
goto fail;
sns_offset += block_size;
if (block_id == EAAC_BLOCKID0_END)
break;
}
sth_offset2 = (uint16_t)read_16bitBE(0x10 + (0x02 + userdata_size) * 1, streamFile);
if (sns_offset == read_32bitBE(sth_offset2, sthFile)) {
read_32bit = read_32bitBE;
} else if (sns_offset == read_32bitLE(sth_offset2, sthFile)) {
read_32bit = read_32bitLE;
} else {
goto fail;
}
snr_offset = sth_offset + 0x04;
sns_offset = read_32bit(sth_offset + 0x00, sthFile);
}
#endif
block_id = read_8bit(sns_offset, datFile);
if (block_id != EAAC_BLOCKID0_DATA && block_id != EAAC_BLOCKID0_END)
goto fail;
vgmstream = init_vgmstream_eaaudiocore_header(sthFile, datFile, snr_offset, sns_offset, meta_EA_SNR_SNS);
if (!vgmstream)
goto fail;
vgmstream->num_streams = total_sounds;
close_streamfile(sthFile);
close_streamfile(datFile);
return vgmstream;
fail:
close_streamfile(sthFile);
close_streamfile(datFile);
return NULL;
}
/* EA MPF/MUS combo - used in older 7th gen games for storing music */
VGMSTREAM * init_vgmstream_ea_mpf_mus_eaac(STREAMFILE *streamFile) {
uint32_t num_sounds;
uint8_t version, sub_version, block_id;
off_t table_offset, entry_offset, snr_offset, sns_offset;
/* size_t snr_size sns_size; */
int32_t(*read_32bit)(off_t, STREAMFILE*);
STREAMFILE *musFile = NULL;
VGMSTREAM *vgmstream = NULL;
int target_stream = streamFile->stream_index;
/* check extension */
if (!check_extensions(streamFile, "mpf"))
goto fail;
/* detect endianness */
if (read_32bitBE(0x00, streamFile) == 0x50464478) { /* "PFDx" */
read_32bit = read_32bitBE;
} else if (read_32bitBE(0x00, streamFile) == 0x78444650) { /* "xDFP" */
read_32bit = read_32bitLE;
} else {
goto fail;
}
musFile = open_streamfile_by_ext(streamFile, "mus");
if (!musFile) goto fail;
/* MPF format is unchanged but we don't really care about its contents since
* MUS conveniently contains sound offset table */
version = read_8bit(0x04, streamFile);
sub_version = read_8bit(0x05, streamFile);
if (version != 0x05 || sub_version != 0x03) goto fail;
/* number of files is always little endian */
num_sounds = read_32bitLE(0x04, musFile);
table_offset = 0x28;
if (target_stream == 0) target_stream = 1;
if (target_stream < 0 || num_sounds == 0 || target_stream > num_sounds)
goto fail;
/*
* 0x00: hash?
* 0x04: index
* 0x06: zero
* 0x08: SNR offset
* 0x0c: SNS offset
* 0x10: SNR size
* 0x14: SNS size
* 0x18: zero
*/
entry_offset = table_offset + (target_stream - 1) * 0x1c;
snr_offset = read_32bit(entry_offset + 0x08, musFile) * 0x10;
sns_offset = read_32bit(entry_offset + 0x0c, musFile) * 0x80;
/*
snr_size = read_32bit(entry_offset + 0x10, musFile);
sns_size = read_32bit(entry_offset + 0x14, musFile);
*/
block_id = read_8bit(sns_offset, musFile);
if (block_id != EAAC_BLOCKID0_DATA && block_id != EAAC_BLOCKID0_END)
goto fail;
vgmstream = init_vgmstream_eaaudiocore_header(musFile, musFile, snr_offset, sns_offset, meta_EA_SNR_SNS);
if (!vgmstream)
goto fail;
vgmstream->num_streams = num_sounds;
close_streamfile(musFile);
return vgmstream;
fail:
close_streamfile(musFile);
return NULL;
}
/* EA TMX - used for engine sounds in NFS games (2007-present) */
VGMSTREAM * init_vgmstream_ea_tmx(STREAMFILE *streamFile) {
uint32_t num_sounds, sound_type;
off_t table_offset, data_offset, entry_offset, sound_offset, sns_offset;
VGMSTREAM *vgmstream = NULL;
int target_stream = streamFile->stream_index;
if (!check_extensions(streamFile, "tmx"))
goto fail;
/* always little endian */
if (read_32bitLE(0x0c, streamFile) != 0x30303031) /* "0001" */
goto fail;
num_sounds = read_32bitLE(0x20, streamFile);
table_offset = read_32bitLE(0x58, streamFile);
data_offset = read_32bitLE(0x5c, streamFile);
if (target_stream == 0) target_stream = 1;
if (target_stream < 0 || num_sounds == 0 || target_stream > num_sounds)
goto fail;
entry_offset = table_offset + (target_stream - 1) * 0x24;
sound_type = read_32bitLE(entry_offset + 0x00, streamFile);
sound_offset = read_32bitLE(entry_offset + 0x08, streamFile) + data_offset;
switch (sound_type) {
case 0x47494E20: /* "GIN " */
/* FIXME: need to get GIN size somehow */
vgmstream = init_vgmstream_gin_header(streamFile, sound_offset);
if (!vgmstream) goto fail;
break;
case 0x534E5220: /* "SNR " */
sns_offset = sound_offset + get_snr_size(streamFile, sound_offset);
vgmstream = init_vgmstream_eaaudiocore_header(streamFile, streamFile, sound_offset, sns_offset, meta_EA_SNR_SNS);
if (!vgmstream) goto fail;
break;
default:
goto fail;
}
vgmstream->num_streams = num_sounds;
return vgmstream;
fail:
return NULL;
}
/* EA Harmony Sample Bank - used in 8th gen EA Sports games */
VGMSTREAM * init_vgmstream_ea_sbr_harmony(STREAMFILE *streamFile) {
uint32_t num_dsets, set_sounds, chunk_id;
uint32_t i;
uint8_t set_type, flag, offset_size;
off_t data_offset, table_offset, dset_offset, base_offset, sound_table_offset, sound_offset, header_offset, start_offset;
STREAMFILE *sbsFile = NULL, *streamData = NULL;
VGMSTREAM *vgmstream = NULL;
int target_stream = streamFile->stream_index, total_sounds, local_target, is_streamed = 0;
int32_t(*read_32bit)(off_t, STREAMFILE*);
int16_t(*read_16bit)(off_t, STREAMFILE*);
if (!check_extensions(streamFile, "sbr"))
goto fail;
if (read_32bitBE(0x00, streamFile) == 0x53426C65) { /* "SBle" */
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
/* Logically, big endian version starts with SBbe. However, this format is
* only used on 8th gen systems so far so big endian version probably doesn't exist. */
#if 0
} else if (read_32bitBE(0x00, streamFile) == 0x53426265) { /* "SBbe" */
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
#endif
} else {
goto fail;
}
num_dsets = read_16bit(0x0a, streamFile);
data_offset = read_32bit(0x20, streamFile);
table_offset = read_32bit(0x24, streamFile);
if (target_stream == 0) target_stream = 1;
if (target_stream < 0)
goto fail;
total_sounds = 0;
sound_offset = 0;
/* The bank is split into DSET sections each of which references one or multiple sounds. */
/* Each set can contain RAM sounds (stored in SBR in data section) or streamed sounds (stored separately in SBS file). */
for (i = 0; i < num_dsets; i++) {
dset_offset = read_32bit(table_offset + 0x08 * i, streamFile);
if (read_32bit(dset_offset, streamFile) != 0x44534554) /* "DSET" */
goto fail;
set_sounds = read_32bit(dset_offset + 0x38, streamFile);
local_target = target_stream - total_sounds - 1;
dset_offset += 0x48;
/* Find RAM or OFF chunk */
while(1) {
chunk_id = read_32bit(dset_offset, streamFile);
if (chunk_id == 0x2E52414D) { /* ".RAM" */
break;
} else if (chunk_id == 0x2E4F4646) { /* ".OFF" */
break;
} else if (chunk_id == 0x2E4C4452 || /* ".LDR" */
chunk_id == 0x2E4F424A || /* ".OBJ" */
(chunk_id & 0xFF00FFFF) == 0x2E00534C) { /* ".?SL */
dset_offset += 0x18;
} else {
goto fail;
}
}
/* Different set types store offsets differently */
set_type = read_8bit(dset_offset + 0x05, streamFile);
if (set_type == 0x00) {
total_sounds++;
if (local_target < 0 || local_target > 0)
continue;
sound_offset = read_32bit(dset_offset + 0x08, streamFile);
} else if (set_type == 0x01) {
total_sounds += 2;
if (local_target < 0 || local_target > 1)
continue;
base_offset = read_32bit(dset_offset + 0x08, streamFile);
if (local_target == 0) {
sound_offset = base_offset;
} else {
sound_offset = base_offset + (uint16_t)read_16bit(dset_offset + 0x06, streamFile);
}
} else if (set_type == 0x02 || set_type == 0x03) {
flag = read_8bit(dset_offset + 0x06, streamFile);
offset_size = read_8bit(dset_offset + 0x07, streamFile);
base_offset = read_32bit(dset_offset + 0x08, streamFile);
sound_table_offset = read_32bit(dset_offset + 0x10, streamFile);
if (offset_size == 0x04 && flag != 0x00) {
set_sounds = base_offset;
}
total_sounds += set_sounds;
if (local_target < 0 || local_target >= set_sounds)
continue;
if (offset_size == 0x02) {
sound_offset = (uint16_t)read_16bit(sound_table_offset + 0x02 * local_target, streamFile);
if (flag != 0x00) sound_offset *= (off_t)pow(2, flag);
sound_offset += base_offset;
} else if (offset_size == 0x04) {
sound_offset = read_32bit(sound_table_offset + 0x04 * local_target, streamFile);
if (flag == 0x00) sound_offset += base_offset;
}
} else if (set_type == 0x04) {
total_sounds += set_sounds;
if (local_target < 0 || local_target >= set_sounds)
continue;
sound_table_offset = read_32bit(dset_offset + 0x10, streamFile);
sound_offset = read_32bit(sound_table_offset + 0x08 * local_target, streamFile);
} else {
goto fail;
}
if (chunk_id == 0x2E52414D) { /* ".RAM" */
is_streamed = 0;
} else if (chunk_id == 0x2E4F4646) { /* ".OFF" */
is_streamed = 1;
}
}
if (sound_offset == 0)
goto fail;
if (!is_streamed) {
/* RAM asset */
if (read_32bitBE(data_offset, streamFile) != 0x64617461) /* "data" */
goto fail;
streamData = streamFile;
sound_offset += data_offset;
} else {
/* streamed asset */
sbsFile = open_streamfile_by_ext(streamFile, "sbs");
if (!sbsFile)
goto fail;
if (read_32bitBE(0x00, sbsFile) != 0x64617461) /* "data" */
goto fail;
streamData = sbsFile;
if (read_32bitBE(sound_offset, streamData) == 0x736C6F74) {
/* skip "slot" section */
sound_offset += 0x30;
}
}
if (read_8bit(sound_offset, streamData) != EAAC_BLOCKID1_HEADER)
goto fail;
header_offset = sound_offset + 0x04;
start_offset = sound_offset + (read_32bitBE(sound_offset, streamData) & 0x00FFFFFF);
vgmstream = init_vgmstream_eaaudiocore_header(streamData, streamData, header_offset, start_offset, meta_EA_SNR_SNS);
if (!vgmstream)
goto fail;
vgmstream->num_streams = total_sounds;
close_streamfile(sbsFile);
return vgmstream;
fail:
close_streamfile(sbsFile);
return NULL;
}
/* ************************************************************************* */
typedef struct {
int version;
int codec;
int channel_config;
int sample_rate;
int type;
int loop;
int streamed;
int channels;
int num_samples;
int loop_start;
int loop_end;
int loop_flag;
off_t stream_offset;
off_t loop_offset;
} eaac_header;
static segmented_layout_data* build_segmented_eaaudiocore_looping(STREAMFILE *sf_data, eaac_header *eaac);
static layered_layout_data* build_layered_eaaudiocore(STREAMFILE *streamFile, eaac_header *eaac);
static size_t calculate_eaac_size(VGMSTREAM *vgmstream, STREAMFILE *streamFile, eaac_header *eaac, off_t start_offset);
/* EA newest header from RwAudioCore (RenderWare?) / EAAudioCore library (still generated by sx.exe).
* Audio "assets" come in separate RAM headers (.SNR/SPH) and raw blocked streams (.SNS/SPS),
* or together in pseudoformats (.SNU, .SBR+.SBS banks, .AEMS, .MUS, etc).
* Some .SNR include stream data, while .SPS have headers so .SPH is optional. */
static VGMSTREAM * init_vgmstream_eaaudiocore_header(STREAMFILE * streamHead, STREAMFILE * streamData, off_t header_offset, off_t start_offset, meta_t meta_type) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE* temp_streamFile = NULL;
uint32_t header1, header2;
eaac_header eaac = {0};
/* EA SNR/SPH header */
header1 = (uint32_t)read_32bitBE(header_offset + 0x00, streamHead);
header2 = (uint32_t)read_32bitBE(header_offset + 0x04, streamHead);
eaac.version = (header1 >> 28) & 0x0F; /* 4 bits */
eaac.codec = (header1 >> 24) & 0x0F; /* 4 bits */
eaac.channel_config = (header1 >> 18) & 0x3F; /* 6 bits */
eaac.sample_rate = (header1 >> 0) & 0x03FFFF; /* 18 bits */
eaac.type = (header2 >> 30) & 0x03; /* 2 bits */
eaac.loop = (header2 >> 29) & 0x01; /* 1 bits */
eaac.num_samples = (header2 >> 0) & 0x1FFFFFFF; /* 29 bits */
/* rest is optional, depends on used flags and codec (handled below) */
eaac.stream_offset = start_offset;
/* common channel configs are mono/stereo/quad/5.1/7.1 (from debug strings), while others are quite rare
* [Battlefield 4 (X360)-EAXMA: 3/5/7ch, Army of Two: The Devil's Cartel (PS3)-EALayer3v2P: 11ch] */
eaac.channels = eaac.channel_config + 1;
/* V0: SNR+SNS, V1: SPR+SPS (no apparent differences, other than block flags) */
if (eaac.version != EAAC_VERSION_V0 && eaac.version != EAAC_VERSION_V1) {
VGM_LOG("EA EAAC: unknown version\n");
goto fail;
}
/* accepted max (some Dead Space 2 (PC) do use 96000) */
if (eaac.sample_rate > 200000) {
VGM_LOG("EA EAAC: unknown sample rate\n");
goto fail;
}
/* catch unknown values (0x02: "gigasample"? some kind of memory+stream thing?) */
if (eaac.type != EAAC_TYPE_RAM && eaac.type != EAAC_TYPE_STREAM) {
VGM_LOG("EA EAAC: unknown type 0x%02x\n", eaac.type);
goto fail;
}
/* Non-streamed sounds are stored as a single block (may not set block end flags) */
eaac.streamed = (eaac.type == EAAC_TYPE_STREAM);
/* get loops (fairly involved due to the multiple layouts and mutant streamfiles)
* full loops aren't too uncommon [Dead Space (PC) stream sfx/ambiance, FIFA 98 (PS3) RAM sfx],
* while actual looping is very rare [Need for Speed: World (PC)-EAL3, The Simpsons Game (X360)-EAXMA] */
if (eaac.loop == EAAC_LOOP_SET) {
eaac.loop_flag = 1;
eaac.loop_start = read_32bitBE(header_offset+0x08, streamHead);
eaac.loop_end = eaac.num_samples;
if (eaac.streamed) {
eaac.loop_offset = read_32bitBE(header_offset+0x0c, streamHead);
if (eaac.version == EAAC_VERSION_V0) {
/* SNR+SNS are separate so offsets are relative to the data start
* (first .SNS block, or extra data before the .SNS block in case of .SNU) */
eaac.loop_offset = eaac.stream_offset + eaac.loop_offset;
} else {
/* SPS have headers+data together so offsets are relative to the file start [ex. FIFA 18 (PC)] */
eaac.loop_offset = header_offset - 0x04 + eaac.loop_offset;
}
}
else if (eaac.loop_start > 0) {
/* RAM assets have two blocks in case of actual loops */
/* find the second block by getting the first block size */
eaac.loop_offset = read_32bitBE(eaac.stream_offset, streamData) & 0x00FFFFF;
eaac.loop_offset = eaac.stream_offset + eaac.loop_offset;
}
else {
/* RAM assets have only one block in case of full loops */
eaac.loop_offset = eaac.stream_offset; /* implicit */
}
//todo EATrax has extra values in header, which would coexist with loop values
if (eaac.codec == EAAC_CODEC_EATRAX) {
VGM_LOG("EA EAAC: unknown loop header for EATrax\n");
goto fail;
}
//todo need more cases to test how layout/streamfiles react
if (eaac.loop_start > 0 && !(
eaac.codec == EAAC_CODEC_EALAYER3_V1 ||
eaac.codec == EAAC_CODEC_EALAYER3_V2_PCM ||
eaac.codec == EAAC_CODEC_EALAYER3_V2_SPIKE ||
eaac.codec == EAAC_CODEC_EAXMA ||
eaac.codec == EAAC_CODEC_XAS1)) {
VGM_LOG("EA EAAC: unknown actual looping for codec %x\n", eaac.codec);
goto fail;
}
}
/* if type is gigasample there seems to be a field with number of "gigasamples in ram",
* that goes after loop_start but before streamed/gigasamples' eaac.loop_offset) */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(eaac.channels,eaac.loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = eaac.sample_rate;
vgmstream->num_samples = eaac.num_samples;
vgmstream->loop_start_sample = eaac.loop_start;
vgmstream->loop_end_sample = eaac.loop_end;
vgmstream->meta_type = meta_type;
/* EA decoder list and known internal FourCCs */
switch(eaac.codec) {
case EAAC_CODEC_PCM16BE: /* "P6B0": PCM16BE [NBA Jam (Wii)] */
vgmstream->coding_type = coding_PCM16_int;
vgmstream->codec_endian = 1;
vgmstream->layout_type = layout_blocked_ea_sns;
break;
#ifdef VGM_USE_FFMPEG
case EAAC_CODEC_EAXMA: { /* "EXm0": EA-XMA [Dante's Inferno (X360)] */
/* special (if hacky) loop handling, see comments */
if (eaac.loop_start > 0) {
segmented_layout_data *data = build_segmented_eaaudiocore_looping(streamData, &eaac);
if (!data) goto fail;
vgmstream->layout_data = data;
vgmstream->coding_type = data->segments[0]->coding_type;
vgmstream->layout_type = layout_segmented;
}
else {
vgmstream->layout_data = build_layered_eaaudiocore(streamData, &eaac);
if (!vgmstream->layout_data) goto fail;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_layered;
}
break;
}
#endif
case EAAC_CODEC_XAS1: /* "Xas1": EA-XAS v1 [Dead Space (PC/PS3)] */
/* special (if hacky) loop handling, see comments */
if (eaac.loop_start > 0) {
segmented_layout_data *data = build_segmented_eaaudiocore_looping(streamData, &eaac);
if (!data) goto fail;
vgmstream->layout_data = data;
vgmstream->coding_type = data->segments[0]->coding_type;
vgmstream->layout_type = layout_segmented;
} else {
vgmstream->coding_type = coding_EA_XAS_V1;
vgmstream->layout_type = layout_blocked_ea_sns;
}
break;
#ifdef VGM_USE_MPEG
case EAAC_CODEC_EALAYER3_V1: /* "EL31": EALayer3 v1 [Need for Speed: Hot Pursuit (PS3)] */
case EAAC_CODEC_EALAYER3_V2_PCM: /* "L32P": EALayer3 v2 "PCM" [Battlefield 1943 (PS3)] */
case EAAC_CODEC_EALAYER3_V2_SPIKE: { /* "L32S": EALayer3 v2 "Spike" [Dante's Inferno (PS3)] */
mpeg_custom_config cfg = {0};
mpeg_custom_t type = (eaac.codec == 0x05 ? MPEG_EAL31b : (eaac.codec == 0x06) ? MPEG_EAL32P : MPEG_EAL32S);
/* EALayer3 needs custom IO that removes blocks on reads to fix some edge cases in L32P
* and to properly apply discard modes (see ealayer3 decoder)
* (otherwise, and after removing discard code, it'd work with layout_blocked_ea_sns) */
start_offset = 0x00; /* must point to the custom streamfile's beginning */
/* special (if hacky) loop handling, see comments */
if (eaac.loop_start > 0) {
segmented_layout_data *data = build_segmented_eaaudiocore_looping(streamData, &eaac);
if (!data) goto fail;
vgmstream->layout_data = data;
vgmstream->coding_type = data->segments[0]->coding_type;
vgmstream->layout_type = layout_segmented;
}
else {
temp_streamFile = setup_eaac_streamfile(streamData, eaac.version, eaac.codec, eaac.streamed,0,0, eaac.stream_offset);
if (!temp_streamFile) goto fail;
vgmstream->codec_data = init_mpeg_custom(temp_streamFile, start_offset, &vgmstream->coding_type, vgmstream->channels, type, &cfg);
if (!vgmstream->codec_data) goto fail;
vgmstream->layout_type = layout_none;
}
break;
}
#endif
case EAAC_CODEC_GCADPCM: /* "Gca0": DSP [Need for Speed: Nitro (Wii) sfx] */
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_blocked_ea_sns;
/* DSP coefs are read in the blocks */
break;
#ifdef VGM_USE_ATRAC9
case EAAC_CODEC_EATRAX: { /* EATrax (unknown FourCC) [Need for Speed: Most Wanted (Vita)] */
atrac9_config cfg = {0};
/* EATrax is "buffered" ATRAC9, uses custom IO since it's kind of complex to add to the decoder */
start_offset = 0x00; /* must point to the custom streamfile's beginning */
cfg.channels = eaac.channels;
cfg.config_data = read_32bitBE(header_offset + 0x08,streamHead);
/* 0x10: frame size? (same as config data?) */
/* actual data size without blocks, LE b/c why make sense (but don't use it in case of truncated files) */
//total_size = read_32bitLE(header_offset + 0x0c,streamHead);
vgmstream->codec_data = init_atrac9(&cfg);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_ATRAC9;
vgmstream->layout_type = layout_none;
temp_streamFile = setup_eaac_streamfile(streamData, eaac.version, eaac.codec, eaac.streamed,0,0, eaac.stream_offset);
if (!temp_streamFile) goto fail;
break;
}
#endif
#ifdef VGM_USE_MPEG
case EAAC_CODEC_EAMP3: { /* "EM30"?: EAMP3 [Need for Speed 2015 (PS4)] */
mpeg_custom_config cfg = {0};
start_offset = 0x00; /* must point to the custom streamfile's beginning */
temp_streamFile = setup_eaac_streamfile(streamData, eaac.version, eaac.codec, eaac.streamed,0,0, eaac.stream_offset);
if (!temp_streamFile) goto fail;
vgmstream->codec_data = init_mpeg_custom(temp_streamFile, start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_EAMP3, &cfg);
if (!vgmstream->codec_data) goto fail;
vgmstream->layout_type = layout_none;
break;
}
#endif
#ifdef VGM_USE_FFMPEG
case EAAC_CODEC_EAOPUS: { /* EAOpus (unknown FourCC) [FIFA 17 (PC), FIFA 19 (Switch)]*/
vgmstream->layout_data = build_layered_eaaudiocore(streamData, &eaac);
if (!vgmstream->layout_data) goto fail;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_layered;
break;
}
#endif
case EAAC_CODEC_EASPEEX: /* "Esp0"?: EASpeex (libspeex variant, base versions vary: 1.0.5, 1.2beta3) */ //todo
default:
VGM_LOG("EA EAAC: unknown codec 0x%02x\n", eaac.codec);
goto fail;
}
if (!vgmstream_open_stream(vgmstream, temp_streamFile ? temp_streamFile : streamData, start_offset))
goto fail;
if (eaac.loop_start == 0) {
vgmstream->stream_size = calculate_eaac_size(vgmstream, temp_streamFile ? temp_streamFile : streamData, &eaac, start_offset);
}
close_streamfile(temp_streamFile);
return vgmstream;
fail:
close_streamfile(temp_streamFile);
close_vgmstream(vgmstream);
return NULL;
}
static size_t get_snr_size(STREAMFILE *streamFile, off_t offset) {
//const int EAAC_FLAG_LOOPED = 0x02;
//const int EAAC_FLAG_STREAMED = 0x04;
switch (read_8bit(offset + 0x04, streamFile) >> 4 & 0x0F) { /* flags */ //todo improve
case 0x02 | 0x04: return 0x10;
case 0x02: return 0x0C;
default: return 0x08;
}
}
static size_t calculate_eaac_size(VGMSTREAM *vgmstream, STREAMFILE *streamFile, eaac_header *eaac, off_t start_offset) {
uint32_t total_samples;
size_t stream_size, file_size;
if (streamFile == NULL)
return 0;
switch (eaac->codec) {
case EAAC_CODEC_EAXMA:
case EAAC_CODEC_EALAYER3_V1:
case EAAC_CODEC_EALAYER3_V2_PCM:
case EAAC_CODEC_EALAYER3_V2_SPIKE:
case EAAC_CODEC_EATRAX:
case EAAC_CODEC_EAMP3:
case EAAC_CODEC_EAOPUS:
stream_size = get_streamfile_size(streamFile);
break;
default:
stream_size = 0;
total_samples = 0;
file_size = get_streamfile_size(streamFile);
vgmstream->next_block_offset = start_offset;
while (vgmstream->next_block_offset < file_size && total_samples != vgmstream->num_samples) {
block_update_ea_sns(vgmstream->next_block_offset, vgmstream);
if (vgmstream->current_block_samples == 0)
continue;
/* stream size is almost never provided in bank files so we have to calc it manually */
stream_size += vgmstream->next_block_offset - vgmstream->ch[0].offset;
total_samples += vgmstream->current_block_samples;
}
/* reset once we're done */
block_update(start_offset, vgmstream);
break;
}
return stream_size;
}
/* Actual looping uses 2 block sections, separated by a block end flag *and* padded.
*
* We use the segmented layout, since the eaac_streamfile doesn't handle padding,
* and the segments seem fully separate (so even skipping would probably decode wrong). */
// todo reorganize code for more standard init
static segmented_layout_data* build_segmented_eaaudiocore_looping(STREAMFILE *sf_data, eaac_header *eaac) {
segmented_layout_data *data = NULL;
STREAMFILE* temp_sf = NULL;
off_t offsets[2] = { eaac->stream_offset, eaac->loop_offset };
off_t start_offset;
int num_samples[2] = { eaac->loop_start, eaac->num_samples - eaac->loop_start};
int segment_count = 2; /* intro/loop */
int i;
/* init layout */
data = init_layout_segmented(segment_count);
if (!data) goto fail;
for (i = 0; i < segment_count; i++) {
data->segments[i] = allocate_vgmstream(eaac->channels, 0);
if (!data->segments[i]) goto fail;
data->segments[i]->sample_rate = eaac->sample_rate;
data->segments[i]->num_samples = num_samples[i];
//data->segments[i]->meta_type = eaac->meta_type; /* bleh */
switch(eaac->codec) {
#ifdef VGM_USE_FFMPEG
case EAAC_CODEC_EAXMA: {
eaac_header temp_eaac = *eaac; /* equivalent to memcpy... I think */
temp_eaac.loop_flag = 0;
temp_eaac.num_samples = num_samples[i];
temp_eaac.stream_offset = offsets[i];
start_offset = 0x00; /* must point to the custom streamfile's beginning */
/* layers inside segments, how trippy */
data->segments[i]->layout_data = build_layered_eaaudiocore(sf_data, &temp_eaac);
if (!data->segments[i]->layout_data) goto fail;
data->segments[i]->coding_type = coding_FFmpeg;
data->segments[i]->layout_type = layout_layered;
break;
}
#endif
case EAAC_CODEC_XAS1: {
start_offset = offsets[i];
data->segments[i]->coding_type = coding_EA_XAS_V1;
data->segments[i]->layout_type = layout_blocked_ea_sns;
break;
}
#ifdef VGM_USE_MPEG
case EAAC_CODEC_EALAYER3_V1:
case EAAC_CODEC_EALAYER3_V2_PCM:
case EAAC_CODEC_EALAYER3_V2_SPIKE: {
mpeg_custom_config cfg = {0};
mpeg_custom_t type = (eaac->codec == 0x05 ? MPEG_EAL31b : (eaac->codec == 0x06) ? MPEG_EAL32P : MPEG_EAL32S);
start_offset = 0x00; /* must point to the custom streamfile's beginning */
temp_sf = setup_eaac_streamfile(sf_data, eaac->version,eaac->codec,eaac->streamed,0,0, offsets[i]);
if (!temp_sf) goto fail;
data->segments[i]->codec_data = init_mpeg_custom(temp_sf, 0x00, &data->segments[i]->coding_type, eaac->channels, type, &cfg);
if (!data->segments[i]->codec_data) goto fail;
data->segments[i]->layout_type = layout_none;
break;
}
#endif
default:
goto fail;
}
if (!vgmstream_open_stream(data->segments[i],temp_sf == NULL ? sf_data : temp_sf, start_offset))
goto fail;
close_streamfile(temp_sf);
temp_sf = NULL;
//todo temp_streamFile doesn't contain EAXMA's streamfile
data->segments[i]->stream_size = calculate_eaac_size(data->segments[i], temp_sf, eaac, start_offset);
}
if (!setup_layout_segmented(data))
goto fail;
return data;
fail:
close_streamfile(temp_sf);
free_layout_segmented(data);
return NULL;
}
static layered_layout_data* build_layered_eaaudiocore(STREAMFILE *sf_data, eaac_header *eaac) {
layered_layout_data* data = NULL;
STREAMFILE* temp_sf = NULL;
int i, layers = (eaac->channels+1) / 2;
/* init layout */
data = init_layout_layered(layers);
if (!data) goto fail;
/* open each layer subfile (1/2ch streams: 2ch+2ch..+1ch or 2ch+2ch..+2ch). */
for (i = 0; i < layers; i++) {
int layer_channels = (i+1 == layers && eaac->channels % 2 == 1) ? 1 : 2; /* last layer can be 1/2ch */
/* build the layer VGMSTREAM */
data->layers[i] = allocate_vgmstream(layer_channels, eaac->loop_flag);
if (!data->layers[i]) goto fail;
data->layers[i]->sample_rate = eaac->sample_rate;
data->layers[i]->num_samples = eaac->num_samples;
data->layers[i]->loop_start_sample = eaac->loop_start;
data->layers[i]->loop_end_sample = eaac->loop_end;
#ifdef VGM_USE_FFMPEG
switch(eaac->codec) {
/* EA-XMA uses completely separate 1/2ch streams, unlike standard XMA that interleaves 1/2ch
* streams with a skip counter to reinterleave (so EA-XMA streams don't have skips set) */
case EAAC_CODEC_EAXMA: {
uint8_t buf[0x100];
int bytes, block_size, block_count;
size_t stream_size;
temp_sf = setup_eaac_streamfile(sf_data, eaac->version, eaac->codec, eaac->streamed,i,layers, eaac->stream_offset);
if (!temp_sf) goto fail;
stream_size = get_streamfile_size(temp_sf);
block_size = 0x10000; /* unused */
block_count = stream_size / block_size + (stream_size % block_size ? 1 : 0);
bytes = ffmpeg_make_riff_xma2(buf, 0x100, data->layers[i]->num_samples, stream_size, data->layers[i]->channels, data->layers[i]->sample_rate, block_count, block_size);
data->layers[i]->codec_data = init_ffmpeg_header_offset(temp_sf, buf,bytes, 0x00, stream_size);
if (!data->layers[i]->codec_data) goto fail;
data->layers[i]->coding_type = coding_FFmpeg;
data->layers[i]->layout_type = layout_none;
data->layers[i]->stream_size = get_streamfile_size(temp_sf);
xma_fix_raw_samples(data->layers[i], temp_sf, 0x00,stream_size, 0, 0,0); /* samples are ok? */
break;
}
/* Opus can do multichannel just fine, but that wasn't weird enough for EA */
case EAAC_CODEC_EAOPUS: {
int skip;
size_t data_size;
/* We'll remove EA blocks and pass raw data to FFmpeg Opus decoder */
temp_sf = setup_eaac_streamfile(sf_data, eaac->version, eaac->codec, eaac->streamed,0,0, eaac->stream_offset);
if (!temp_sf) goto fail;
//TODO: setup opus frame deinterleave (1 frame per 2ch stream, only seen 4ch and 6ch tho)
skip = ea_opus_get_encoder_delay(0x00, temp_sf);
data_size = get_streamfile_size(temp_sf);
data->layers[i]->codec_data = init_ffmpeg_ea_opus(temp_sf, 0x00,data_size, eaac->channels, skip, eaac->sample_rate);
if (!data->layers[i]->codec_data) goto fail;
data->layers[i]->coding_type = coding_FFmpeg;
data->layers[i]->layout_type = layout_none;
break;
}
}
#else
goto fail;
#endif
if ( !vgmstream_open_stream(data->layers[i], temp_sf, 0x00) ) {
goto fail;
}
}
if (!setup_layout_layered(data))
goto fail;
close_streamfile(temp_sf);
return data;
fail:
close_streamfile(temp_sf);
free_layout_layered(data);
return NULL;
}
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