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Fix SQEX .scd XMA total samples + cleanup

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This commit is contained in:
bnnm 2021-06-20 10:32:32 +02:00
parent 68b9164d72
commit 9a5c116f1c
5 changed files with 89 additions and 219 deletions
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4
src/libvgmstream.vcproj
View File

@ -384,10 +384,6 @@
RelativePath=".\meta\sfh_streamfile.h"
>
</File>
<File
RelativePath=".\meta\sqex_scd_streamfile.h"
>
</File>
<File
RelativePath=".\meta\sqex_sead_streamfile.h"
>

1
src/libvgmstream.vcxproj
View File

@ -138,7 +138,6 @@
<ClInclude Include="meta\sab_streamfile.h" />
<ClInclude Include="meta\riff_ogg_streamfile.h" />
<ClInclude Include="meta\sfh_streamfile.h" />
<ClInclude Include="meta\sqex_scd_streamfile.h" />
<ClInclude Include="meta\sqex_sead_streamfile.h" />
<ClInclude Include="meta\txth_streamfile.h" />
<ClInclude Include="meta\ubi_bao_streamfile.h" />

3
src/libvgmstream.vcxproj.filters
View File

@ -179,9 +179,6 @@
<ClInclude Include="meta\sfh_streamfile.h">
<Filter>meta\Header Files</Filter>
</ClInclude>
<ClInclude Include="meta\sqex_scd_streamfile.h">
<Filter>meta\Header Files</Filter>
</ClInclude>
<ClInclude Include="meta\sqex_sead_streamfile.h">
<Filter>meta\Header Files</Filter>
</ClInclude>

208
src/meta/sqex_scd.c
View File

@ -1,38 +1,39 @@
#include "meta.h"
#include "../coding/coding.h"
#include "../layout/layout.h"
#include "sqex_scd_streamfile.h"
#ifdef VGM_USE_VORBIS
static void scd_ogg_v2_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource);
static void scd_ogg_v3_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource);
static void scd_ogg_v2_decryption_callback(void* ptr, size_t size, size_t nmemb, void* datasource);
static void scd_ogg_v3_decryption_callback(void* ptr, size_t size, size_t nmemb, void* datasource);
#endif
/* SCD - Square-Enix games (FF XIII, XIV) */
VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
VGMSTREAM* init_vgmstream_sqex_scd(STREAMFILE* sf) {
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 loop_flag = 0, channels, codec, sample_rate;
int version, target_entry, aux_chunk_count;
int total_subsongs, target_subsong = streamFile->stream_index;
int total_subsongs, target_subsong = sf->stream_index;
int big_endian;
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") )
/* checks */
if (!check_extensions(sf, "scd"))
goto fail;
/** main header **/
if (read_32bitBE(0x00,streamFile) != 0x53454442 && /* "SEDB" */
read_32bitBE(0x04,streamFile) != 0x53534346) /* "SSCF" */
if (!is_id32be(0x00,sf, "SEDB") &&
!is_id32be(0x04,sf, "SSCF"))
goto fail;
if (read_8bit(0x0c,streamFile) == 0x01) { /* big endian flag */
big_endian = read_u8(0x0c,sf) == 0x01;
if (big_endian) { /* big endian flag */
//size_offset = 0x14;
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
@ -42,21 +43,20 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
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);
version = read_32bit(0x08,sf);
if (version != 2 && version != 3 && version != 4)
goto fail;
tables_offset = read_16bit(0x0e,streamFile); /* usually 0x30 or 0x20 */
/* SSCF version? (older SSCFs from Crisis Core/FFXI X360 seem to be V3/2) */
if (read_u8(0x0d,sf) != 0x04)
goto fail;
tables_offset = read_16bit(0x0e,sf); /* 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))
/* FFXIII music_68tak.ps3.scd is 0x80 shorter? */
if (read_32bit(size_offset,sf) != get_streamfile_size(sf))
goto fail;
#endif
@ -80,8 +80,8 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
/* 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);
int headers_entries = read_16bit(tables_offset+0x04,sf);
off_t headers_offset = read_32bit(tables_offset+0x0c,sf);
if (target_subsong == 0) target_subsong = 1;
total_subsongs = 0;
@ -89,9 +89,9 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
/* 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);
off_t entry_offset = read_32bit(headers_offset + i*0x04,sf);
if (read_32bit(entry_offset+0x0c,streamFile) == -1)
if (read_32bit(entry_offset+0x0c,sf) == -1)
continue; /* codec -1 when dummy */
total_subsongs++;
@ -105,15 +105,15 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
}
/** 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);
stream_size = read_32bit(meta_offset+0x00,sf);
channels = read_32bit(meta_offset+0x04,sf);
sample_rate = read_32bit(meta_offset+0x08,sf);
codec = read_32bit(meta_offset+0x0c,sf);
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);
loop_start = read_32bit(meta_offset+0x10,sf);
loop_end = read_32bit(meta_offset+0x14,sf);
extradata_size = read_32bit(meta_offset+0x18,sf);
aux_chunk_count = read_32bit(meta_offset+0x1c,sf);
/* 0x01e(2): unknown, seen in some FF XIV sfx (MSADPCM) */
loop_flag = (loop_end > 0);
@ -127,19 +127,19 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
}
/* 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);
if (aux_chunk_count && is_id32be(extradata_offset, sf, "MARK")) {
extradata_offset += read_32bit(extradata_offset+0x04, sf);
}
/* 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);
int info_entries = read_16bit(tables_offset+0x00,sf);
int headers_entries = read_16bit(tables_offset+0x04,sf);
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);
off_t entry_offset = read_16bit(info_offset + 0x04*target_entry,sf);
name_offset = entry_offset+0x30;
}
}
@ -157,17 +157,17 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
ovmi.disable_reordering = 1; /* already ordered */
/* loop values are in bytes, let init_vgmstream_ogg_vorbis find loop comments instead */
ogg_version = read_8bit(extradata_offset + 0x00, streamFile);
ogg_version = read_u8(extradata_offset + 0x00, sf);
/* 0x01(1): 0x20 in v2/3, this ogg miniheader size? */
ogg_byte = read_8bit(extradata_offset + 0x02, streamFile);
ogg_byte = read_u8(extradata_offset + 0x02, sf);
/* 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);
size_t seek_table_size = read_32bit(extradata_offset+0x10, sf);
size_t vorb_header_size = read_32bit(extradata_offset+0x14, sf);
/* 0x18(4): ? (can be 0) */
if ((extradata_offset-meta_offset) + seek_table_size + vorb_header_size != extradata_size)
@ -192,16 +192,16 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
}
/* actual Ogg init */
ogg_vgmstream = init_vgmstream_ogg_vorbis_callbacks(streamFile, NULL, start_offset, &ovmi);
ogg_vgmstream = init_vgmstream_ogg_vorbis_callbacks(sf, NULL, start_offset, &ovmi);
if (ogg_vgmstream && name_offset)
read_string(ogg_vgmstream->stream_name, PATH_LIMIT, name_offset, streamFile);
read_string(ogg_vgmstream->stream_name, PATH_LIMIT, name_offset, sf);
return ogg_vgmstream;
}
#endif
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
vgmstream = allocate_vgmstream(channels, loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = sample_rate;
@ -209,7 +209,7 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
vgmstream->stream_size = stream_size;
vgmstream->meta_type = meta_SQEX_SCD;
if (name_offset)
read_string(vgmstream->stream_name, PATH_LIMIT, name_offset, streamFile);
read_string(vgmstream->stream_name, STREAM_NAME_SIZE, name_offset, sf);
switch (codec) {
case 0x01: /* PCM */
@ -217,10 +217,10 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x02;
vgmstream->num_samples = pcm_bytes_to_samples(stream_size, channel_count, 16);
vgmstream->num_samples = pcm_bytes_to_samples(stream_size, channels, 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);
vgmstream->loop_start_sample = pcm_bytes_to_samples(loop_start, channels, 16);
vgmstream->loop_end_sample = pcm_bytes_to_samples(loop_end, channels, 16);
}
break;
@ -229,10 +229,10 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x10;
vgmstream->num_samples = ps_bytes_to_samples(stream_size, channel_count);
vgmstream->num_samples = ps_bytes_to_samples(stream_size, channels);
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);
vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, channels);
vgmstream->loop_end_sample = ps_bytes_to_samples(loop_end, channels);
}
break;
@ -246,7 +246,7 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
cfg.interleave = 0x800; /* for multistream [Final Fantasy XIII-2 (PS3)], otherwise ignored */
cfg.data_size = stream_size;
vgmstream->codec_data = init_mpeg_custom(streamFile, start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_SCD, &cfg);
vgmstream->codec_data = init_mpeg_custom(sf, start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_SCD, &cfg);
if (!vgmstream->codec_data) goto fail;
vgmstream->layout_type = layout_none;
@ -268,9 +268,9 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
case 0x0C: /* MS ADPCM [Final Fantasy XIV (PC) sfx] */
vgmstream->coding_type = coding_MSADPCM;
vgmstream->layout_type = layout_none;
vgmstream->frame_size = read_16bit(extradata_offset + 0x0c, streamFile);
vgmstream->frame_size = read_16bit(extradata_offset + 0x0c, sf);
/* WAVEFORMATEX in extradata_offset */
if (!msadpcm_check_coefs(streamFile, extradata_offset + 0x14))
if (!msadpcm_check_coefs(sf, extradata_offset + 0x14))
goto fail;
vgmstream->num_samples = msadpcm_bytes_to_samples(stream_size, vgmstream->frame_size, vgmstream->channels);
@ -282,83 +282,53 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
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;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x800;
vgmstream->interleave_first_skip = 0x60;
vgmstream->interleave_first_block_size = vgmstream->interleave_block_size - vgmstream->interleave_first_skip;
/* 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;
}
/* standard dsp header at start_offset */
dsp_read_coefs_be(vgmstream, sf, start_offset+0x1c, vgmstream->interleave_block_size);
dsp_read_hist_be(vgmstream, sf, start_offset+0x40, vgmstream->interleave_block_size);
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;
}
}
vgmstream->num_samples = read_32bit(start_offset+0x00,sf);
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end + 1;
}
/* 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;
start_offset += vgmstream->interleave_first_skip;
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];
uint8_t buf[0x100];
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;
/* extradata:
* 0x00: fmt0x166 header (BE X360, LE XBone)
* 0x34: seek table */
bytes = ffmpeg_make_riff_xma_from_fmt_chunk(buf,0x100, extradata_offset,0x34, stream_size, sf, big_endian);
vgmstream->codec_data = init_ffmpeg_header_offset(sf, buf, bytes, start_offset, stream_size);
if (!vgmstream->codec_data) goto fail;
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; //todo +1?
xma2_parse_fmt_chunk_extra(sf, extradata_offset, NULL, &vgmstream->num_samples, NULL, NULL, big_endian);
vgmstream->loop_start_sample = loop_start; /* same loops in chunk */
vgmstream->loop_end_sample = loop_end;
xma_fix_raw_samples(vgmstream, streamFile, start_offset,stream_size, 0, 0,0); /* samples are ok, loops? */
xma_fix_raw_samples(vgmstream, sf, start_offset, stream_size, extradata_offset, 1,1);
break;
}
case 0x0E: { /* ATRAC3/ATRAC3plus [Lord of Arcana (PSP), Final Fantasy Type-0] */
int fact_samples = 0;
vgmstream->codec_data = init_ffmpeg_atrac3_riff(streamFile, start_offset, &fact_samples);
vgmstream->codec_data = init_ffmpeg_atrac3_riff(sf, start_offset, &fact_samples);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
@ -377,17 +347,17 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
/* 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);
cfg.config_data = read_32bit(extradata_offset+0x0c,sf);
cfg.encoder_delay = read_32bit(extradata_offset+0x18,sf);
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);
vgmstream->loop_end_sample = read_32bit(extradata_offset+0x24, streamFile) + 1;
vgmstream->num_samples = read_32bit(extradata_offset+0x10,sf); /* loop values above are also weird and ignored */
vgmstream->loop_start_sample = read_32bit(extradata_offset+0x20, sf);
vgmstream->loop_end_sample = read_32bit(extradata_offset+0x24, sf) + 1;
if (loop_flag) {
vgmstream->loop_start_sample -= cfg.encoder_delay;
vgmstream->loop_end_sample -= cfg.encoder_delay;
@ -403,7 +373,7 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
}
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
goto fail;
return vgmstream;
@ -415,7 +385,7 @@ fail:
#ifdef VGM_USE_VORBIS
static void scd_ogg_v2_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
static void scd_ogg_v2_decryption_callback(void* ptr, size_t size, size_t nmemb, void* datasource) {
uint8_t *ptr8 = ptr;
size_t bytes_read = size * nmemb;
ogg_vorbis_io *io = datasource;
@ -438,7 +408,7 @@ static void scd_ogg_v2_decryption_callback(void *ptr, size_t size, size_t nmemb,
}
}
static void scd_ogg_v3_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
static void scd_ogg_v3_decryption_callback(void* ptr, size_t size, size_t nmemb, void* datasource) {
/* V3 decryption table found in the .exe of FF XIV Heavensward */
static const uint8_t scd_ogg_v3_lookuptable[256] = {
0x3A, 0x32, 0x32, 0x32, 0x03, 0x7E, 0x12, 0xF7, 0xB2, 0xE2, 0xA2, 0x67, 0x32, 0x32, 0x22, 0x32, // 00-0F

92
src/meta/sqex_scd_streamfile.h
View File

@ -1,92 +0,0 @@
#ifndef _SQEX_SCD_STREAMFILE_H_
#define _SQEX_SCD_STREAMFILE_H_
#include "../streamfile.h"
typedef struct {
off_t start_physical_offset; /* interleaved data start, for this substream */
size_t interleave_block_size; /* max size that can be read before encountering other substreams */
size_t stride_size; /* step size between interleave blocks (interleave*channels) */
size_t total_size; /* final size of the deinterleaved substream */
} scd_dsp_io_data;
/* Handles deinterleaving of complete files, skipping portions or other substreams. */
static size_t scd_dsp_io_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, scd_dsp_io_data* data) {
size_t total_read = 0;
while (length > 0) {
size_t to_read;
size_t length_available;
off_t block_num;
off_t intrablock_offset;
off_t physical_offset;
block_num = offset / data->interleave_block_size;
intrablock_offset = offset % data->interleave_block_size;
physical_offset = data->start_physical_offset + block_num*data->stride_size + intrablock_offset;
length_available = data->interleave_block_size - intrablock_offset;
if (length < length_available) {
to_read = length;
}
else {
to_read = length_available;
}
if (to_read > 0) {
size_t bytes_read;
bytes_read = read_streamfile(dest, physical_offset, to_read, streamfile);
total_read += bytes_read;
if (bytes_read != to_read) {
return total_read;
}
dest += bytes_read;
offset += bytes_read;
length -= bytes_read;
}
}
return total_read;
}
static size_t scd_dsp_io_size(STREAMFILE *streamfile, scd_dsp_io_data* data) {
return data->total_size;
}
static STREAMFILE* setup_scd_dsp_streamfile(STREAMFILE *streamFile, off_t start_offset, size_t interleave_block_size, size_t stride_size, size_t total_size) {
STREAMFILE *temp_streamFile = NULL, *new_streamFile = NULL;
scd_dsp_io_data io_data = {0};
size_t io_data_size = sizeof(scd_dsp_io_data);
io_data.start_physical_offset = start_offset;
io_data.interleave_block_size = interleave_block_size;
io_data.stride_size = stride_size;
io_data.total_size = total_size;
/* setup subfile */
new_streamFile = open_wrap_streamfile(streamFile);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
new_streamFile = open_io_streamfile(temp_streamFile, &io_data,io_data_size, scd_dsp_io_read,scd_dsp_io_size);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
new_streamFile = open_fakename_streamfile(temp_streamFile, NULL,"dsp");
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
return temp_streamFile;
fail:
close_streamfile(temp_streamFile);
return NULL;
}
#endif /* _SCD_STREAMFILE_H_ */