/* SXD - Sony/SCE's SNDX lib format (cousin of SGXD) [Gravity Rush, Freedom Wars, Soul Sacrifice PSV] */
VGMSTREAM * init_vgmstream_sxd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE * streamHeader = NULL, *streamData = NULL;
off_t start_offset, chunk_offset, first_offset = 0x60, name_offset = 0;
size_t chunk_size, stream_size = 0;
int is_dual = 0, is_external = 0;
int loop_flag, channels, codec, flags;
int sample_rate, num_samples, loop_start_sample, loop_end_sample;
uint32_t at9_config_data = 0;
int total_subsongs, target_subsong = streamFile->stream_index;
/* check extension, case insensitive */
/* .sxd: header+data (SXDF), .sxd1: header (SXDF) + .sxd2 = data (SXDS) */
if (!check_extensions(streamFile,"sxd,sxd2")) goto fail;
is_dual = !check_extensions(streamFile,"sxd");
/* sxd1+sxd2: use sxd1 as header; otherwise use the current file as header */
if (is_dual) {
if (read_32bitBE(0x00,streamFile) != 0x53584453) /* "SXDS" */
goto fail;
streamHeader = open_streamfile_by_ext(streamFile, "sxd1");
if (!streamHeader) goto fail;
} else {
streamHeader = streamFile;
}
if (read_32bitBE(0x00,streamHeader) != 0x53584446) /* "SXDF" */
goto fail;
/* typical chunks: NAME, WAVE and many control chunks (SXDs don't need to contain any sound data) */
if (!find_chunk_le(streamHeader, 0x57415645,first_offset,0, &chunk_offset,&chunk_size)) /* "WAVE" */
goto fail;
/* check multi-streams (usually only in SFX containers) */
total_subsongs = read_32bitLE(chunk_offset+0x04,streamHeader);
if (target_subsong == 0) target_subsong = 1;
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
// todo rarely a WAVE subsong may point to a repeated data offset, with different tags only
/* read stream header */
{
off_t table_offset, header_offset, stream_offset;
/* get target offset using table of relative offsets within WAVE */
table_offset = chunk_offset + 0x08 + 4*(target_subsong-1);
header_offset = table_offset + read_32bitLE(table_offset,streamHeader);
flags = read_32bitLE(header_offset+0x00,streamHeader);
codec = read_8bit (header_offset+0x04,streamHeader);
channels = read_8bit (header_offset+0x05,streamHeader);
/* 0x06(2): unknown, rarely 0xFF */
sample_rate = read_32bitLE(header_offset+0x08,streamHeader);
/* 0x0c(4): unknown size? (0x4000/0x3999/0x3333/etc, not related to extra data) */
/* 0x10(4): ? + volume? + pan? (can be 0 for music) */
num_samples = read_32bitLE(header_offset+0x14,streamHeader);
loop_start_sample = read_32bitLE(header_offset+0x18,streamHeader);
loop_end_sample = read_32bitLE(header_offset+0x1c,streamHeader);
stream_size = read_32bitLE(header_offset+0x20,streamHeader);
stream_offset = read_32bitLE(header_offset+0x24,streamHeader);
loop_flag = loop_start_sample != -1 && loop_end_sample != -1;
/* known flag combos:
* 0x00: Chaos Rings 2 sfx (RAM + no tags)
* 0x01: common (RAM + tags)
* 0x02: Chaos Rings 3 sfx (stream + no tags)
* 0x03: common (stream + tags)
* 0x05: Gravity Rush 2 sfx (RAM + tags) */
//has_tags = flags & 1;
is_external = flags & 2;
//unknown = flags & 4; /* no apparent differences with/without it? */
/* flag 1 signals TLV-like extra data. Format appears to be 0x00(1)=tag?, 0x01(1)=extra size*32b?, 0x02(2)=config?
* but not always (ex. size=0x07 but actually=0), perhaps only some bits are used or varies with tag, or are subflags.
* A tag may appear with or without extra data (even 0x0a), 0x01/03/04/06 are common at the beginnig (imply number of tags?),
* 0x64/7F are common at the end (but not always), 0x0A=ATRAC9 config, 0x0B/0C appear with RAM preloading data
* (most variable in Soul Sacrifice; total TLVs size isn't plainly found in the SXD header AFAIK). */
/* manually try to find ATRAC9 tag */
if (codec == 0x42) {
off_t extra_offset = header_offset+0x28;
off_t max_offset = chunk_offset + chunk_size;
if (!(flags & 1))
goto fail;
while (extra_offset < max_offset) {
uint32_t tag = read_32bitBE(extra_offset, streamHeader);
if (tag == 0x0A010000 || tag == 0x0A010600) {
at9_config_data = read_32bitLE(extra_offset+0x04,streamHeader); /* yes, LE */
break;
}
extra_offset += 0x04;
}
if (!at9_config_data)
goto fail;
}
/* usually .sxd=header+data and .sxd1=header + .sxd2=data, but rarely sxd1 may contain data [The Last Guardian (PS4)] */
if (is_external) {
start_offset = stream_offset; /* absolute if external */
} else {
start_offset = header_offset+0x24 + stream_offset; /* from current entry offset if internal */
}
}
/* get stream name (NAME is tied to REQD/cues, and SFX cues repeat WAVEs, but should work ok for streams) */
if (is_dual && find_chunk_le(streamHeader, 0x4E414D45,first_offset,0, &chunk_offset,NULL)) { /* "NAME" */
/* table: relative offset (32b) + hash? (32b) + cue index (32b) */
int i;
int num_entries = read_16bitLE(chunk_offset+0x04,streamHeader); /* can be bigger than streams */
for (i = 0; i < num_entries; i++) {
uint32_t index = (uint32_t)read_32bitLE(chunk_offset+0x08 + 0x08 + i*0x0c,streamHeader);
if (index+1 == target_subsong) {
name_offset = chunk_offset+0x08 + 0x00 + i*0x0c + read_32bitLE(chunk_offset+0x08 + 0x00 + i*0x0c,streamHeader);
break;
}
}
}
if (is_external && !is_dual) {
VGM_LOG("SXD: found single sxd with external data\n");
goto fail;
}
if (is_external) {
streamData = streamFile;
} else {
streamData = streamHeader;
}
if (start_offset > get_streamfile_size(streamData)) {
VGM_LOG("SXD: wrong location?\n");
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channels,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = num_samples;
vgmstream->loop_start_sample = loop_start_sample;
vgmstream->loop_end_sample = loop_end_sample;
vgmstream->num_streams = total_subsongs;
vgmstream->stream_size = stream_size;
vgmstream->meta_type = meta_SXD;
if (name_offset)
read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamHeader);
switch (codec) {
case 0x20: /* PS-ADPCM [Hot Shots Golf: World Invitational (Vita) sfx] */
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x10;
break;
case 0x21: /* HEVAG [Gravity Rush (Vita) sfx] */
vgmstream->coding_type = coding_HEVAG;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x10;
break;
#ifdef VGM_USE_ATRAC9
case 0x42: { /* ATRAC9 [Soul Sacrifice (Vita), Freedom Wars (Vita), Gravity Rush 2 (PS4)] */
atrac9_config cfg = {0};
cfg.channels = vgmstream->channels;
cfg.config_data = at9_config_data;
vgmstream->codec_data = init_atrac9(&cfg);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_ATRAC9;
vgmstream->layout_type = layout_none;
break;
}
#endif
//case 0x28: /* dummy codec? (found with 0 samples) [Hot Shots Golf: World Invitational (Vita) sfx] */
default:
VGM_LOG("SXD: unknown codec 0x%x\n", codec);
goto fail;
}
/* open the file for reading */
if (!vgmstream_open_stream(vgmstream,streamData,start_offset))
goto fail;
if (is_dual) close_streamfile(streamHeader);
return vgmstream;
fail:
if (is_dual) close_streamfile(streamHeader);
close_vgmstream(vgmstream);
return NULL;
}
/* SGXD - Sony/SCEI's format (SGB+SGH / SGD / SGX) */
VGMSTREAM * init_vgmstream_sgxd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE * streamHeader = NULL;
off_t start_offset, data_offset, chunk_offset, name_offset = 0;
size_t stream_size;
int is_sgx, is_sgb = 0;
int loop_flag, channels, type;
int sample_rate, num_samples, loop_start_sample, loop_end_sample;
int total_subsongs, target_subsong = streamFile->stream_index;
/* check extension, case insensitive */
/* .sgx: header+data (Genji), .sgd: header+data, .sgh/sgd: header/data */
if (!check_extensions(streamFile,"sgx,sgd,sgb"))
goto fail;
is_sgx = check_extensions(streamFile,"sgx");
is_sgb = check_extensions(streamFile,"sgb");
/* SGB+SGH: use SGH as header; otherwise use the current file as header */
if (is_sgb) {
streamHeader = open_stream_ext(streamFile, "sgh");
if (!streamHeader) goto fail;
} else {
streamHeader = streamFile;
}
/* SGXD base (size 0x10) */
if (read_32bitBE(0x00,streamHeader) != 0x53475844) /* "SGXD" */
goto fail;
/* 0x04 SGX: full header_size; SGD/SGH: unknown header_size (counting from 0x0/0x8/0x10, varies) */
/* 0x08 SGX: first chunk offset? (0x10); SGD/SGH: full header_size */
/* 0x0c SGX/SGH: full data size with padding; SGD: full data size + 0x80000000 with padding */
if (is_sgb) {
data_offset = 0x00;
} else if ( is_sgx ) {
data_offset = read_32bitLE(0x04,streamHeader);
} else {
data_offset = read_32bitLE(0x08,streamHeader);
}
/* typical chunks: WAVE, RGND, NAME (strings for WAVE or RGND), SEQD (related to SFX), WSUR, WMKR, BUSS */
/* WAVE chunk (size 0x10 + files * 0x38 + optional padding) */
if (is_sgx) { /* position after chunk+size */
if (read_32bitBE(0x10,streamHeader) != 0x57415645) goto fail; /* "WAVE" */
chunk_offset = 0x18;
} else {
if (!find_chunk_le(streamHeader, 0x57415645,0x10,0, &chunk_offset,NULL)) goto fail; /* "WAVE" */
}
/* 0x04 SGX: unknown; SGD/SGH: chunk length, 0x08 null */
/* check multi-streams (usually only SE containers; Puppeteer) */
total_subsongs = read_32bitLE(chunk_offset+0x04,streamHeader);
if (target_subsong == 0) target_subsong = 1;
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
/* read stream header */
{
off_t stream_offset;
chunk_offset += 0x08 + 0x38 * (target_subsong-1); /* position in target header*/
/* 0x00 ? (00/01/02) */
if (!is_sgx) /* meaning unknown in .sgx; offset 0 = not a stream (a RGND sample) */
name_offset = read_32bitLE(chunk_offset+0x04,streamHeader);
type = read_8bit(chunk_offset+0x08,streamHeader);
channels = read_8bit(chunk_offset+0x09,streamHeader);
/* 0x0a null */
sample_rate = read_32bitLE(chunk_offset+0x0c,streamHeader);
/* 0x10 info_type: meaning of the next value
* (00=null, 30/40=data size without padding (ADPCM, ATRAC3plus), 80/A0=block size (AC3) */
/* 0x14 info_value (see above) */
/* 0x18 unknown (ex. 0x0008/0010/3307/CC02/etc)x2 */
/* 0x1c null */
num_samples = read_32bitLE(chunk_offset+0x20,streamHeader);
loop_start_sample = read_32bitLE(chunk_offset+0x24,streamHeader);
loop_end_sample = read_32bitLE(chunk_offset+0x28,streamHeader);
stream_size = read_32bitLE(chunk_offset+0x2c,streamHeader); /* stream size (without padding) / interleave (for type3) */
if (is_sgx) {
stream_offset = 0x0;
} else{
stream_offset = read_32bitLE(chunk_offset+0x30,streamHeader);
}
/* 0x34 SGX: unknown; SGD/SGH: stream size (with padding) / interleave */
loop_flag = loop_start_sample!=0xffffffff && loop_end_sample!=0xffffffff;
start_offset = data_offset + stream_offset;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channels,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = num_samples;
vgmstream->loop_start_sample = loop_start_sample;
vgmstream->loop_end_sample = loop_end_sample;
vgmstream->num_streams = total_subsongs;
vgmstream->stream_size = stream_size;
vgmstream->meta_type = meta_SGXD;
if (name_offset)
read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamHeader);
/* needs -1 to match RIFF AT3's loop chunk
* (maybe SGXD = "loop before this sample" rather than "loop after this sample" as expected by vgmstream) */
if (vgmstream->loop_end_sample > 0)
vgmstream->loop_end_sample -= 1;
switch (type) {
case 0x03: /* PS-ADPCM [Genji (PS3), Ape Escape Move (PS3)]*/
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
if (is_sgx || is_sgb) {
vgmstream->interleave_block_size = 0x10;
} else { /* this only seems to happen with SFX */
vgmstream->interleave_block_size = stream_size;
}
break;
#ifdef VGM_USE_FFMPEG
case 0x04: { /* ATRAC3plus [Kurohyo 1/2 (PSP), BraveStory (PSP)] */
ffmpeg_codec_data *ffmpeg_data;
/* internally has a RIFF header; but the SGXD header / sample rate has priority over it (may not match) */
ffmpeg_data = init_ffmpeg_offset(streamFile, start_offset, stream_size);
if ( !ffmpeg_data ) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
/* manually read skip_samples if FFmpeg didn't do it */
if (ffmpeg_data->skipSamples <= 0) {
off_t chunk_offset;
size_t chunk_size, fact_skip_samples = 0;
if (!find_chunk_le(streamFile, 0x66616374,start_offset+0xc,0, &chunk_offset,&chunk_size)) /* find "fact" */
goto fail;
if (chunk_size == 0x8) {
fact_skip_samples = read_32bitLE(chunk_offset+0x4, streamFile);
} else if (chunk_size == 0xc) {
fact_skip_samples = read_32bitLE(chunk_offset+0x8, streamFile);
}
ffmpeg_set_skip_samples(ffmpeg_data, fact_skip_samples);
}
/* SGXD loop/sample values are relative (without skip samples) vs RIFF (with skip samples), no need to adjust */
break;
}
#endif
case 0x05: /* Short PS-ADPCM [Afrika (PS3)] */
vgmstream->coding_type = coding_PSX_cfg;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x4;
break;
#ifdef VGM_USE_FFMPEG
case 0x06: { /* AC3 [Tokyo Jungle (PS3), Afrika (PS3)] */
ffmpeg_codec_data *ffmpeg_data;
ffmpeg_data = init_ffmpeg_offset(streamFile, start_offset, stream_size);
if ( !ffmpeg_data ) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
/* manually set skip_samples if FFmpeg didn't do it */
if (ffmpeg_data->skipSamples <= 0) {
/* PS3 AC3 consistently has 256 encoder delay samples, and there are ~1000-2000 samples after num_samples.
* Skipping them marginally improves full loops in some Tokyo Jungle tracks (ex. a_1.sgd). */
ffmpeg_set_skip_samples(ffmpeg_data, 256);
}
/* SGXD loop/sample values are relative (without skip samples), no need to adjust */
break;
}
#endif
default:
goto fail;
}
/* open the file for reading */
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
if (is_sgb && streamHeader) close_streamfile(streamHeader);
return vgmstream;
fail:
if (is_sgb && streamHeader) close_streamfile(streamHeader);
close_vgmstream(vgmstream);
return NULL;
}
