void decode_pcm16_int(VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int big_endian) {
int i, sample_count;
int16_t (*read_16bit)(off_t,STREAMFILE*) = big_endian ? read_16bitBE : read_16bitLE;
for (i=first_sample,sample_count=0; i<first_sample+samples_to_do; i++,sample_count+=channelspacing) {
outbuf[sample_count]=read_16bit(stream->offset+i*2*channelspacing,stream->streamfile);
}
}
/* RWSD is quite similar to BRSTM, but can contain several streams.
* Still, some games use it for single streams. We only support the
* single stream form here */
VGMSTREAM * init_vgmstream_rwsd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
coding_t coding_type;
size_t wave_length;
int codec_number;
int channel_count;
int loop_flag;
int rwar = 0;
int rwav = 0;
struct rwav_data rwav_data;
size_t stream_size;
int big_endian = 1;
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
const char *ext;
rwav_data.version = -1;
rwav_data.start_offset = 0;
rwav_data.info_chunk = -1;
rwav_data.wave_offset = -1;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
ext = filename_extension(filename);
if (strcasecmp("rwsd",ext))
{
if (strcasecmp("rwar",ext))
{
if (strcasecmp("rwav",ext))
{
if (strcasecmp("bcwav",ext) && strcasecmp("bms",ext))
{
goto fail;
}
else
{
// cwav, similar to little endian rwav
rwav = 1;
big_endian = 0;
}
}
else
{
// matched rwav
rwav = 1;
}
}
else
{
// matched rwar
rwar = 1;
}
}
else
{
// match rwsd
}
if (big_endian)
{
read_16bit = read_16bitBE;
read_32bit = read_32bitBE;
}
else
{
read_16bit = read_16bitLE;
read_32bit = read_32bitLE;
}
/* check header */
if (rwar || rwav)
{
rwav_data.offset = 0;
rwav_data.streamFile = streamFile;
rwav_data.big_endian = big_endian;
rwav_data.read_32bit = read_32bit;
if (rwar) read_rwar(&rwav_data);
if (rwav) read_rwav(&rwav_data);
if (rwav_data.wave_offset < 0) goto fail;
}
else
{
if ((uint32_t)read_32bitBE(0,streamFile)!=0x52575344) /* "RWSD" */
goto fail;
switch (read_32bitBE(4,streamFile))
{
case 0xFEFF0102:
/* ideally we would look through the chunk list for a WAVE chunk,
* but it's always in the same order */
/* get WAVE offset, check */
rwav_data.wave_offset = read_32bit(0x18,streamFile);
if ((uint32_t)read_32bitBE(rwav_data.wave_offset,streamFile)!=0x57415645) /* "WAVE" */
goto fail;
/* get WAVE size, check */
wave_length = read_32bit(0x1c,streamFile);
if (read_32bit(rwav_data.wave_offset+4,streamFile)!=wave_length)
goto fail;
/* check wave count */
if (read_32bit(rwav_data.wave_offset+8,streamFile) != 1)
goto fail; /* only support 1 */
rwav_data.version = 2;
break;
case 0xFEFF0103:
rwav_data.offset = 0xe0;
rwav_data.streamFile = streamFile;
rwav_data.big_endian = big_endian;
rwav_data.read_32bit = read_32bit;
read_rwar(&rwav_data);
if (rwav_data.wave_offset < 0) goto fail;
rwar = 1;
break;
default:
goto fail;
}
}
/* get type details */
codec_number = read_8bit(rwav_data.wave_offset+0x10,streamFile);
loop_flag = read_8bit(rwav_data.wave_offset+0x11,streamFile);
if (big_endian)
channel_count = read_8bit(rwav_data.wave_offset+0x12,streamFile);
else
channel_count = read_32bit(rwav_data.wave_offset+0x24,streamFile);
switch (codec_number) {
case 0:
coding_type = coding_PCM8;
break;
case 1:
if (big_endian)
coding_type = coding_PCM16BE;
else
coding_type = coding_PCM16LE;
break;
case 2:
coding_type = coding_NGC_DSP;
break;
case 3:
coding_type = coding_IMA;
break;
default:
goto fail;
}
if (channel_count < 1) goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
if (big_endian)
{
vgmstream->num_samples = dsp_nibbles_to_samples(read_32bit(rwav_data.wave_offset+0x1c,streamFile));
vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bit(rwav_data.wave_offset+0x18,streamFile));
}
else
{
vgmstream->num_samples = read_32bit(rwav_data.wave_offset+0x1c,streamFile);
vgmstream->loop_start_sample = read_32bit(rwav_data.wave_offset+0x18,streamFile);
}
vgmstream->sample_rate = (uint16_t)read_16bit(rwav_data.wave_offset+0x14,streamFile);
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_type;
vgmstream->layout_type = layout_none;
if (rwar)
vgmstream->meta_type = meta_RWAR;
else if (rwav)
{
if (big_endian)
vgmstream->meta_type = meta_RWAV;
else
vgmstream->meta_type = meta_CWAV;
}
else
vgmstream->meta_type = meta_RWSD;
{
off_t data_start_offset;
off_t codec_info_offset;
int i,j;
for (j=0;j<vgmstream->channels;j++) {
if (rwar || rwav)
{
if (big_endian)
{
/* This is pretty nasty, so an explaination is in order.
* At 0x10 in the info_chunk is the offset of a table with
* one entry per channel. Each entry in this table is itself
* an offset to a set of information for the channel. The
* first element in the set is the offset into DATA of the
* channel.
* The second element is the
* offset of the codec-specific setup for the channel. */
off_t channel_info_offset;
channel_info_offset = rwav_data.info_chunk +
read_32bit(rwav_data.info_chunk+
read_32bit(rwav_data.info_chunk+0x10,streamFile)+j*4,
streamFile);
data_start_offset = rwav_data.start_offset +
read_32bit(channel_info_offset+0, streamFile);
codec_info_offset = rwav_data.info_chunk +
read_32bit(channel_info_offset+4, streamFile);
}
else
{
// CWAV uses some relative offsets
off_t cur_pos = rwav_data.info_chunk + 0x14; // channel count
cur_pos = cur_pos + read_32bit(cur_pos + 4 + j*8 + 4,streamFile);
// size is at cur_pos + 4
data_start_offset = rwav_data.start_offset + read_32bit(cur_pos + 4, streamFile);
// codec-specific info is at cur_pos + 0xC
codec_info_offset = cur_pos + read_32bit(cur_pos + 0xC,streamFile);
}
vgmstream->ch[j].channel_start_offset=
vgmstream->ch[j].offset=data_start_offset;
} else {
// dummy for RWSD, must be a proper way to work this out
codec_info_offset=rwav_data.wave_offset+0x6c+j*0x30;
}
if (vgmstream->coding_type == coding_NGC_DSP) {
for (i=0;i<16;i++) {
vgmstream->ch[j].adpcm_coef[i]=read_16bit(codec_info_offset+i*2,streamFile);
}
}
if (vgmstream->coding_type == coding_IMA) {
vgmstream->ch[j].adpcm_history1_16 = read_16bit(codec_info_offset,streamFile);
vgmstream->ch[j].adpcm_step_index = read_16bit(codec_info_offset+2,streamFile);
}
}
}
if (rwar || rwav)
{
/* */
}
else
{
if (rwav_data.version == 2)
rwav_data.start_offset = read_32bit(8,streamFile);
}
stream_size = read_32bit(rwav_data.wave_offset+0x50,streamFile);
/* open the file for reading by each channel */
{
int i;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,
0x1000);
if (!vgmstream->ch[i].streamfile) goto fail;
if (!(rwar || rwav))
{
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=
rwav_data.start_offset + i*stream_size;
}
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset, meta_offset_offset, meta_offset, post_meta_offset;
int32_t loop_start, loop_end;
int loop_flag = 0;
int channel_count;
int codec_id;
int aux_chunk_count;
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("scd",filename_extension(filename))) goto fail;
/* SEDB */
if (read_32bitBE(0,streamFile) != 0x53454442) goto fail;
/* SSCF */
if (read_32bitBE(4,streamFile) != 0x53534346) goto fail;
if (read_32bitBE(8,streamFile) == 2 ||
read_32bitBE(8,streamFile) == 3) {
/* version 2 BE, as seen in FFXIII demo for PS3 */
/* version 3 BE, as seen in FFXIII for PS3 */
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
//size_offset = 0x14;
meta_offset_offset = 0x40 + read_16bit(0xe,streamFile);
} else if (read_32bitLE(8,streamFile) == 3 ||
read_32bitLE(8,streamFile) == 2) {
/* version 2/3 LE, as seen in FFXIV for ?? */
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
//size_offset = 0x10;
meta_offset_offset = 0x40 + read_16bit(0xe,streamFile);
} else goto fail;
/* never mind, FFXIII music_68tak.ps3.scd is 0x80 shorter */
#if 0
/* check file size with header value */
if (read_32bit(size_offset,streamFile) != get_streamfile_size(streamFile))
goto fail;
#endif
meta_offset = read_32bit(meta_offset_offset,streamFile);
/* check that chunk size equals stream size (?) */
loop_start = read_32bit(meta_offset+0x10,streamFile);
loop_end = read_32bit(meta_offset+0x14,streamFile);
loop_flag = (loop_end > 0);
channel_count = read_32bit(meta_offset+4,streamFile);
codec_id = read_32bit(meta_offset+0xc,streamFile);
post_meta_offset = meta_offset + 0x20;
/* data at meta_offset is only 0x20 bytes, but there may be auxiliary chunks
before anything else */
aux_chunk_count = read_32bit(meta_offset+0x1c,streamFile);
for (; aux_chunk_count > 0; aux_chunk_count --)
{
/* skip aux chunks */
/*printf("skipping %08x\n", read_32bitBE(post_meta_offset, streamFile));*/
post_meta_offset += read_32bit(post_meta_offset+4,streamFile);
}
start_offset = post_meta_offset + read_32bit(meta_offset+0x18,streamFile);
#ifdef VGM_USE_VORBIS
if (codec_id == 0x6)
{
vgm_vorbis_info_t inf;
uint32_t seek_table_size = read_32bit(post_meta_offset+0x10, streamFile);
uint32_t vorb_header_size = read_32bit(post_meta_offset+0x14, streamFile);
VGMSTREAM * result = NULL;
memset(&inf, 0, sizeof(inf));
inf.loop_start = loop_start;
inf.loop_end = loop_end;
inf.loop_flag = loop_flag;
inf.loop_end_found = loop_flag;
inf.loop_length_found = 0;
inf.layout_type = layout_ogg_vorbis;
inf.meta_type = meta_SQEX_SCD;
result = init_vgmstream_ogg_vorbis_callbacks(streamFile, filename, NULL, start_offset, &inf);
if (result != NULL) {
return result;
}
// try skipping seek table
{
if ((post_meta_offset-meta_offset) + seek_table_size + vorb_header_size != read_32bit(meta_offset+0x18, streamFile)) {
return NULL;
}
start_offset = post_meta_offset + 0x20 + seek_table_size;
result = init_vgmstream_ogg_vorbis_callbacks(streamFile, filename, NULL, start_offset, &inf);
if (result != NULL) {
return result;
}
}
// failed with Ogg, try deobfuscating header
{
// skip chunks before xor_byte
unsigned char xor_byte;
xor_byte = read_8bit(post_meta_offset+2, streamFile);
if (xor_byte == 0) {
return NULL;
}
inf.scd_xor = xor_byte;
inf.scd_xor_len = vorb_header_size;
result = init_vgmstream_ogg_vorbis_callbacks(streamFile, filename, NULL, start_offset, &inf);
return result;
}
}
#endif
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bit(meta_offset+8,streamFile);
switch (codec_id) {
case 0x1:
/* PCM */
vgmstream->coding_type = coding_PCM16LE_int;
vgmstream->layout_type = layout_none;
vgmstream->num_samples = read_32bit(meta_offset+0,streamFile) / 2 / channel_count;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start / 2 / channel_count;
vgmstream->loop_end_sample = loop_end / 2 / channel_count;
}
break;
#ifdef VGM_USE_MPEG
case 0x7:
/* MPEG */
{
mpeg_codec_data *mpeg_data = NULL;
struct mpg123_frameinfo mi;
coding_t ct;
if (vgmstream->sample_rate == 47999)
vgmstream->sample_rate = 48000;
if (vgmstream->sample_rate == 44099)
vgmstream->sample_rate = 44100;
mpeg_data = init_mpeg_codec_data(streamFile, start_offset, vgmstream->sample_rate, vgmstream->channels, &ct, NULL, NULL);
if (!mpeg_data) goto fail;
vgmstream->codec_data = mpeg_data;
if (MPG123_OK != mpg123_info(mpeg_data->m, &mi)) goto fail;
vgmstream->coding_type = ct;
vgmstream->layout_type = layout_mpeg;
if (mi.vbr != MPG123_CBR) goto fail;
vgmstream->num_samples = mpeg_bytes_to_samples(read_32bit(meta_offset+0,streamFile), &mi);
vgmstream->num_samples -= vgmstream->num_samples%576;
if (loop_flag) {
vgmstream->loop_start_sample = mpeg_bytes_to_samples(loop_start, &mi);
vgmstream->loop_start_sample -= vgmstream->loop_start_sample%576;
vgmstream->loop_end_sample = mpeg_bytes_to_samples(loop_end, &mi);
vgmstream->loop_end_sample -= vgmstream->loop_end_sample%576;
}
vgmstream->interleave_block_size = 0;
}
break;
#endif
case 0xC:
/* MS ADPCM */
vgmstream->coding_type = coding_MSADPCM;
vgmstream->layout_type = layout_none;
vgmstream->interleave_block_size = read_16bit(post_meta_offset+0xc,streamFile);
vgmstream->num_samples = msadpcm_bytes_to_samples(read_32bit(meta_offset+0,streamFile), vgmstream->interleave_block_size, vgmstream->channels);
if (loop_flag) {
vgmstream->loop_start_sample = msadpcm_bytes_to_samples(loop_start, vgmstream->interleave_block_size, vgmstream->channels);
vgmstream->loop_end_sample = msadpcm_bytes_to_samples(loop_end, vgmstream->interleave_block_size, vgmstream->channels);
}
break;
case 0xA:
/* GC/Wii DSP ADPCM */
{
STREAMFILE * file;
int i;
const off_t interleave_size = 0x800;
const off_t stride_size = interleave_size * channel_count;
size_t total_size;
scd_int_codec_data * data = NULL;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_scd_int;
/* a normal DSP header... */
vgmstream->num_samples = read_32bitBE(start_offset+0,streamFile);
total_size = (read_32bitBE(start_offset+4,streamFile)+1)/2;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end+1;
}
/* verify other channel headers */
for (i = 1; i < channel_count; i++) {
if (read_32bitBE(start_offset+interleave_size*i+0,streamFile) != vgmstream->num_samples ||
(read_32bitBE(start_offset+4,streamFile)+1)/2 != total_size) {
goto fail;
}
}
/* the primary streamfile we'll be using */
file = streamFile->open(streamFile,filename,stride_size);
if (!file)
goto fail;
vgmstream->ch[0].streamfile = file;
data = malloc(sizeof(scd_int_codec_data));
data->substream_count = channel_count;
data->substreams = calloc(channel_count, sizeof(VGMSTREAM *));
data->intfiles = calloc(channel_count, sizeof(STREAMFILE *));
vgmstream->codec_data = data;
for (i=0;i<channel_count;i++) {
STREAMFILE * intfile =
open_scdint_with_STREAMFILE(file, "ARBITRARY.DSP", start_offset+interleave_size*i, interleave_size, stride_size, total_size);
data->substreams[i] = init_vgmstream_ngc_dsp_std(intfile);
data->intfiles[i] = intfile;
if (!data->substreams[i])
goto fail;
/* TODO: only handles mono substreams, though that's all we have with DSP */
/* save start things so we can restart for seeking/looping */
/* copy the channels */
memcpy(data->substreams[i]->start_ch,data->substreams[i]->ch,sizeof(VGMSTREAMCHANNEL)*1);
/* copy the whole VGMSTREAM */
memcpy(data->substreams[i]->start_vgmstream,data->substreams[i],sizeof(VGMSTREAM));
}
}
break;
#ifdef VGM_USE_FFMPEG
case 0xB:
/* XMA1/XMA2 */
{
uint16_t codec_id = read_16bit(post_meta_offset, streamFile);
if (codec_id == 0x165 || codec_id == 0x166)
{
ffmpeg_codec_data *ffmpeg_data = init_ffmpeg_faux_riff(streamFile, post_meta_offset, start_offset, streamFile->get_size(streamFile) - start_offset, read_32bit == read_32bitBE);
if (!ffmpeg_data) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
vgmstream->num_samples = ffmpeg_data->totalSamples;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end;
}
}
else goto fail;
}
break;
#endif
default:
goto fail;
}
vgmstream->meta_type = meta_SQEX_SCD;
/* open the file for reading */
if (vgmstream->layout_type != layout_scd_int
#ifdef VGM_USE_FFMPEG
&& vgmstream->coding_type != coding_FFmpeg
#endif
)
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* SCD - Square-Enix games (FF XIII, XIV) */
VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, tables_offset, meta_offset, extradata_offset, name_offset = 0;
int32_t stream_size, extradata_size, loop_start, loop_end;
int loop_flag = 0, channel_count, codec, sample_rate;
int version, target_entry, aux_chunk_count;
int total_subsongs, target_subsong = streamFile->stream_index;
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
/* check extension, case insensitive */
if ( !check_extensions(streamFile, "scd") )
goto fail;
/** main header **/
if (read_32bitBE(0x00,streamFile) != 0x53454442 && /* "SEDB" */
read_32bitBE(0x04,streamFile) != 0x53534346) /* "SSCF" */
goto fail;
if (read_8bit(0x0c,streamFile) == 0x01) { /* big endian flag */
//size_offset = 0x14;
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
} else {
//size_offset = 0x10;
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
}
/* SSCF version? (older SSCFs from Crisis Core/FFXI X360 seem to be V3/2) */
if (read_8bit(0x0d,streamFile) != 0x04)
goto fail;
/* v2: FFXIII demo (PS3), FFT0 test files (PC); v3: common; v4: Kingdom Hearts 2.8 (PS4) */
version = read_32bit(0x08,streamFile);
if (version != 2 && version != 3 && version != 4)
goto fail;
tables_offset = read_16bit(0x0e,streamFile); /* usually 0x30 or 0x20 */
#if 0
/* never mind, FFXIII music_68tak.ps3.scd is 0x80 shorter */
/* check file size with header value */
if (read_32bit(size_offset,streamFile) != get_streamfile_size(streamFile))
goto fail;
#endif
/** offset tables **/
/* 0x00(2): table1/4 (unknown) entries */
/* 0x02(2): table2 (unknown) entries */
/* 0x04(2): table3 (headers) entries */
/* 0x06(2): unknown, varies even for clone files */
/* (implicit: table1 starts at 0x20) */
/* 0x08: table2 (unknown) start offset */
/* 0x0c: table3 (headers) start offset */
/* 0x10: table4 (unknown) start offset */
/* 0x14: always null? */
/* 0x18: table5? (unknown) start offset? */
/* 0x1c: unknown, often null */
/* each table entry is an uint32_t offset; after entries there is padding */
/* if a table isn't present entries is 0 and offset points to next table */
/* find meta_offset in table3 (headers) and total subsongs */
{
int i;
int headers_entries = read_16bit(tables_offset+0x04,streamFile);
off_t headers_offset = read_32bit(tables_offset+0x0c,streamFile);
if (target_subsong == 0) target_subsong = 1;
total_subsongs = 0;
meta_offset = 0;
/* manually find subsongs as entries can be dummy (ex. sfx banks in FF XIV or FF Type-0) */
for (i = 0; i < headers_entries; i++) {
off_t entry_offset = read_32bit(headers_offset + i*0x04,streamFile);
if (read_32bit(entry_offset+0x0c,streamFile) == -1)
continue; /* codec -1 when dummy */
total_subsongs++;
if (!meta_offset && total_subsongs == target_subsong) {
meta_offset = entry_offset;
target_entry = i;
}
}
if (meta_offset == 0) goto fail;
/* SCD can contain 0 entries too */
}
/** stream header **/
stream_size = read_32bit(meta_offset+0x00,streamFile);
channel_count = read_32bit(meta_offset+0x04,streamFile);
sample_rate = read_32bit(meta_offset+0x08,streamFile);
codec = read_32bit(meta_offset+0x0c,streamFile);
loop_start = read_32bit(meta_offset+0x10,streamFile);
loop_end = read_32bit(meta_offset+0x14,streamFile);
extradata_size = read_32bit(meta_offset+0x18,streamFile);
aux_chunk_count = read_32bit(meta_offset+0x1c,streamFile);
/* 0x01e(2): unknown, seen in some FF XIV sfx (MSADPCM) */
loop_flag = (loop_end > 0);
extradata_offset = meta_offset + 0x20;
start_offset = extradata_offset + extradata_size;
/* only "MARK" chunk is known (some FF XIV PS3 have "STBL" but it's not counted) */
if (aux_chunk_count > 1 && aux_chunk_count < 0xFFFF) { /* some FF XIV Heavensward IMA sfx have 0x01000000 */
VGM_LOG("SCD: unknown aux chunk count %i\n", aux_chunk_count);
goto fail;
}
/* skips aux chunks, sometimes needed (Lightning Returns X360, FF XIV PC) */
if (aux_chunk_count && read_32bitBE(extradata_offset, streamFile) == 0x4D41524B) { /* "MARK" */
extradata_offset += read_32bit(extradata_offset+0x04, streamFile);
}
/* find name if possible */
if (version == 4) {
int info_entries = read_16bit(tables_offset+0x00,streamFile);
int headers_entries = read_16bit(tables_offset+0x04,streamFile);
off_t info_offset = tables_offset+0x20;
/* not very exact as table1 and table3 entries may differ in V3, not sure about V4 */
if (info_entries == headers_entries) {
off_t entry_offset = read_16bit(info_offset + 0x04*target_entry,streamFile);
name_offset = entry_offset+0x30;
}
}
#ifdef VGM_USE_VORBIS
/* special case using init_vgmstream_ogg_vorbis */
if (codec == 0x06) {
VGMSTREAM *ogg_vgmstream;
uint8_t ogg_version, ogg_byte;
ogg_vorbis_meta_info_t ovmi = {0};
ovmi.meta_type = meta_SQEX_SCD;
ovmi.total_subsongs = total_subsongs;
/* loop values are in bytes, let init_vgmstream_ogg_vorbis find loop comments instead */
ogg_version = read_8bit(extradata_offset + 0x00, streamFile);
/* 0x01(1): 0x20 in v2/3, this ogg miniheader size? */
ogg_byte = read_8bit(extradata_offset + 0x02, streamFile);
/* 0x03(1): ? in v3 */
if (ogg_version == 0) { /* 0x10? header, then custom Vorbis header before regular Ogg (FF XIV PC v1) */
ovmi.stream_size = stream_size;
}
else { /* 0x20 header, then seek table */
size_t seek_table_size = read_32bit(extradata_offset+0x10, streamFile);
size_t vorb_header_size = read_32bit(extradata_offset+0x14, streamFile);
/* 0x18(4): ? (can be 0) */
if ((extradata_offset-meta_offset) + seek_table_size + vorb_header_size != extradata_size)
goto fail;
ovmi.stream_size = vorb_header_size + stream_size;
start_offset = extradata_offset + 0x20 + seek_table_size; /* extradata_size skips vorb_header */
if (ogg_version == 2) { /* header is XOR'ed using byte (FF XIV PC) */
ovmi.decryption_callback = scd_ogg_v2_decryption_callback;
ovmi.scd_xor = ogg_byte;
ovmi.scd_xor_length = vorb_header_size;
}
else if (ogg_version == 3) { /* file is XOR'ed using table (FF XIV Heavensward PC) */
ovmi.decryption_callback = scd_ogg_v3_decryption_callback;
ovmi.scd_xor = stream_size & 0xFF; /* ogg_byte not used? */
ovmi.scd_xor_length = vorb_header_size + stream_size;
}
else {
VGM_LOG("SCD: unknown ogg_version 0x%x\n", ogg_version);
}
}
/* actual Ogg init */
ogg_vgmstream = init_vgmstream_ogg_vorbis_callbacks(streamFile, NULL, start_offset, &ovmi);
if (ogg_vgmstream && name_offset)
read_string(ogg_vgmstream->stream_name, PATH_LIMIT, name_offset, streamFile);
return ogg_vgmstream;
}
#endif
/* 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_SQEX_SCD;
if (name_offset)
read_string(vgmstream->stream_name, PATH_LIMIT, name_offset, streamFile);
switch (codec) {
case 0x01: /* PCM */
vgmstream->coding_type = coding_PCM16LE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x02;
vgmstream->num_samples = pcm_bytes_to_samples(stream_size, channel_count, 16);
if (loop_flag) {
vgmstream->loop_start_sample = pcm_bytes_to_samples(loop_start, channel_count, 16);
vgmstream->loop_end_sample = pcm_bytes_to_samples(loop_end, channel_count, 16);
}
break;
case 0x03: /* PS-ADPCM [Final Fantasy Type-0] */
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x10;
vgmstream->num_samples = ps_bytes_to_samples(stream_size, channel_count);
if (loop_flag) {
vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, channel_count);
vgmstream->loop_end_sample = ps_bytes_to_samples(loop_end, channel_count);
}
break;
case 0x06: /* OGG [Final Fantasy XIII-2 (PC), Final Fantasy XIV (PC)] */
goto fail; /* handled above */
#ifdef VGM_USE_MPEG
case 0x07: { /* MPEG [Final Fantasy XIII (PS3)] */
mpeg_codec_data *mpeg_data = NULL;
mpeg_custom_config cfg = {0};
cfg.interleave = 0x800; /* for multistream [Final Fantasy XIII-2 (PS3)], otherwise ignored */
cfg.data_size = stream_size;
mpeg_data = init_mpeg_custom(streamFile, start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_SCD, &cfg);
if (!mpeg_data) goto fail;
vgmstream->codec_data = mpeg_data;
vgmstream->layout_type = layout_none;
/* some Drakengard 3, Kingdom Hearts HD have adjusted sample rate (47999, 44099), for looping? */
vgmstream->num_samples = mpeg_bytes_to_samples(stream_size, mpeg_data);
vgmstream->loop_start_sample = mpeg_bytes_to_samples(loop_start, mpeg_data);
vgmstream->loop_end_sample = mpeg_bytes_to_samples(loop_end, mpeg_data);
/* somehow loops offsets aren't always frame-aligned, and the code below supposedly helped,
* but there isn't much difference since MPEG loops are rough (1152-aligned). Seems it
* would help more loop_start - ~1000, loop_end + ~1000 (ex. FFXIII-2 music_SunMizu.ps3.scd) */
//vgmstream->num_samples -= vgmstream->num_samples % 576;
//vgmstream->loop_start_sample -= vgmstream->loop_start_sample % 576;
//vgmstream->loop_end_sample -= vgmstream->loop_end_sample % 576;
break;
}
#endif
case 0x0C: /* MS ADPCM [Final Fantasy XIV (PC) sfx] */
vgmstream->coding_type = coding_MSADPCM;
vgmstream->layout_type = layout_none;
vgmstream->interleave_block_size = read_16bit(extradata_offset+0x0c,streamFile);
/* in extradata_offset is a WAVEFORMATEX (including coefs and all) */
vgmstream->num_samples = msadpcm_bytes_to_samples(stream_size, vgmstream->interleave_block_size, vgmstream->channels);
if (loop_flag) {
vgmstream->loop_start_sample = msadpcm_bytes_to_samples(loop_start, vgmstream->interleave_block_size, vgmstream->channels);
vgmstream->loop_end_sample = msadpcm_bytes_to_samples(loop_end, vgmstream->interleave_block_size, vgmstream->channels);
}
break;
case 0x0A: /* DSP ADPCM [Dragon Quest X (Wii)] */
case 0x15: { /* DSP ADPCM [Dragon Quest X (Wii U)] (no apparent differences except higher sample rate) */
const off_t interleave_size = 0x800;
const off_t stride_size = interleave_size * channel_count;
int i;
size_t total_size;
layered_layout_data * data = NULL;
/* interleaved DSPs including the header (so the first 0x800 is 0x60 header + 0x740 data)
* so interleave layout can't used; we'll setup de-interleaving streamfiles as layers/channels instead */
//todo this could be simplified using a block layout or adding interleave_first_block
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_layered;
/* read from the first DSP header and verify other channel headers */
{
total_size = (read_32bitBE(start_offset+0x04,streamFile)+1)/2; /* rounded nibbles / 2 */
vgmstream->num_samples = read_32bitBE(start_offset+0x00,streamFile);
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end+1;
}
for (i = 1; i < channel_count; i++) {
if ((read_32bitBE(start_offset+4,streamFile)+1)/2 != total_size ||
read_32bitBE(start_offset+interleave_size*i+0x00,streamFile) != vgmstream->num_samples) {
goto fail;
}
}
}
/* init layout */
data = init_layout_layered(channel_count);
if (!data) goto fail;
vgmstream->layout_data = data;
/* open each layer subfile */
for (i = 0; i < channel_count; i++) {
STREAMFILE* temp_streamFile = setup_scd_dsp_streamfile(streamFile, start_offset+interleave_size*i, interleave_size, stride_size, total_size);
if (!temp_streamFile) goto fail;
data->layers[i] = init_vgmstream_ngc_dsp_std(temp_streamFile);
close_streamfile(temp_streamFile);
if (!data->layers[i]) goto fail;
}
/* setup layered VGMSTREAMs */
if (!setup_layout_layered(data))
goto fail;
break;
}
#ifdef VGM_USE_FFMPEG
case 0x0B: { /* XMA2 [Final Fantasy (X360), Lightning Returns (X360) sfx, Kingdom Hearts 2.8 (X1)] */
ffmpeg_codec_data *ffmpeg_data = NULL;
uint8_t buf[200];
int32_t bytes;
/* extradata_offset+0x00: fmt0x166 header (BE), extradata_offset+0x34: seek table */
bytes = ffmpeg_make_riff_xma_from_fmt_chunk(buf,200, extradata_offset,0x34, stream_size, streamFile, 1);
ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,stream_size);
if (!ffmpeg_data) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
vgmstream->num_samples = ffmpeg_data->totalSamples;
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end;
xma_fix_raw_samples(vgmstream, streamFile, start_offset,stream_size, 0, 0,0); /* samples are ok, loops? */
break;
}
case 0x0E: { /* ATRAC3/ATRAC3plus [Lord of Arcana (PSP), Final Fantasy Type-0] */
ffmpeg_codec_data *ffmpeg_data = NULL;
/* full RIFF header at start_offset/extradata_offset (same) */
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;
vgmstream->num_samples = ffmpeg_data->totalSamples; /* fact samples */
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end;
if (ffmpeg_data->skipSamples <= 0) /* in case FFmpeg didn't get them */
ffmpeg_set_skip_samples(ffmpeg_data, riff_get_fact_skip_samples(streamFile, start_offset));
/* SCD loop/sample values are relative (without skip samples) vs RIFF (with skip samples), no need to adjust */
break;
}
#endif
#ifdef VGM_USE_ATRAC9
case 0x16: { /* ATRAC9 [Kingdom Hearts 2.8 (PS4)] */
atrac9_config cfg = {0};
/* post header has various typical ATRAC9 values */
cfg.channels = vgmstream->channels;
cfg.config_data = read_32bit(extradata_offset+0x0c,streamFile);
cfg.encoder_delay = read_32bit(extradata_offset+0x18,streamFile);
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 = read_32bit(extradata_offset+0x10,streamFile); /* loop values above are also weird and ignored */
vgmstream->loop_start_sample = read_32bit(extradata_offset+0x20, streamFile) - (loop_flag ? cfg.encoder_delay : 0); //loop_start
vgmstream->loop_end_sample = read_32bit(extradata_offset+0x24, streamFile) - (loop_flag ? cfg.encoder_delay : 0); //loop_end
break;
}
#endif
case -1: /* used for dummy entries */
default:
VGM_LOG("SCD: unknown codec 0x%x\n", codec);
goto fail;
}
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}
int read_fmt(int big_endian,
STREAMFILE * streamFile,
off_t current_chunk,
struct riff_fmt_chunk * fmt,
int sns,
int mwv) {
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
if (big_endian) {
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
} else {
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
}
fmt->sample_rate = read_32bit(current_chunk+0x0c,streamFile);
fmt->channel_count = read_16bit(current_chunk+0x0a,streamFile);
fmt->block_size = read_16bit(current_chunk+0x14,streamFile);
switch ((uint16_t)read_16bit(current_chunk+0x8,streamFile)) {
case 1: /* PCM */
switch (read_16bit(current_chunk+0x16,streamFile)) {
case 16:
if (big_endian) {
fmt->coding_type = coding_PCM16BE;
} else {
fmt->coding_type = coding_PCM16LE;
}
fmt->interleave = 2;
break;
case 8:
fmt->coding_type = coding_PCM8_U_int;
fmt->interleave = 1;
break;
default:
goto fail;
}
break;
case 2: /* MS ADPCM */
/* ensure 4bps */
if (read_16bit(current_chunk+0x16,streamFile)!=4)
goto fail;
fmt->coding_type = coding_MSADPCM;
fmt->interleave = 0;
break;
case 0x11: /* MS IMA ADCM */
/* ensure 4bps */
if (read_16bit(current_chunk+0x16,streamFile)!=4)
goto fail;
fmt->coding_type = coding_MS_IMA;
fmt->interleave = 0;
break;
case 0x69: /* MS IMA ADCM - Rayman Raving Rabbids 2 (PC) */
/* ensure 4bps */
if (read_16bit(current_chunk+0x16,streamFile)!=4)
goto fail;
fmt->coding_type = coding_MS_IMA;
fmt->interleave = 0;
break;
case 0x555: /* Level-5 0x555 ADPCM */
if (!mwv) goto fail;
fmt->coding_type = coding_L5_555;
fmt->interleave = 0x12;
break;
case 0x5050: /* Ubisoft .sns uses this for DSP */
if (!sns) goto fail;
fmt->coding_type = coding_NGC_DSP;
fmt->interleave = 8;
break;
case 0xFFF0: /* */
fmt->coding_type = coding_NGC_DSP;
fmt->interleave = 8;
break;
default:
goto fail;
}
return 0;
fail:
return -1;
}
