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https://github.com/vgmstream/vgmstream.git
synced 2025-01-19 00:04:04 +01:00
Add basic multistream FSB support
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bnnm
parent
45bd8a37cb
commit
7e106d6a33
122
src/meta/fsb.c
122
src/meta/fsb.c
@ -113,9 +113,10 @@ VGMSTREAM * init_vgmstream_fsb4_wav(STREAMFILE *streamFile) {
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VGMSTREAM * init_vgmstream_fsb_offset(STREAMFILE *streamFile, off_t offset) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset, h_off, s_off;
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off_t start_offset;
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size_t custom_data_offset;
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int loop_flag = 0;
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int target_stream = 0;
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FSB_HEADER fsbh;
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@ -123,8 +124,6 @@ VGMSTREAM * init_vgmstream_fsb_offset(STREAMFILE *streamFile, off_t offset) {
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if ( !check_extensions(streamFile, "fsb,wii") )
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goto fail;
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h_off = offset;
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/* check header */
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fsbh.id = read_32bitBE(offset+0x00,streamFile);
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if (fsbh.id == 0x46534231) { /* "FSB1" (somewhat different from other fsbs) */
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@ -133,26 +132,34 @@ VGMSTREAM * init_vgmstream_fsb_offset(STREAMFILE *streamFile, off_t offset) {
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fsbh.shdrsize_min = 0x40;
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/* main header */
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fsbh.numsamples = read_32bitLE(h_off+0x04,streamFile);
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fsbh.datasize = read_32bitLE(h_off+0x08,streamFile);
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fsbh.numsamples = read_32bitLE(offset+0x04,streamFile);
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fsbh.datasize = read_32bitLE(offset+0x08,streamFile);
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fsbh.shdrsize = 0x40;
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fsbh.version = 0;
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fsbh.flags = 0;
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s_off = offset+fsbh.hdrsize;
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/* sample header */
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/* 0x00:name(len=0x20) */
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fsbh.lengthsamples = read_32bitLE(s_off+0x20,streamFile);
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fsbh.lengthcompressedbytes = read_32bitLE(s_off+0x24,streamFile);
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fsbh.deffreq = read_32bitLE(s_off+0x28,streamFile);
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/* 0x2c:? 0x2e:? 0x30:? 0x32:? */
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fsbh.mode = read_32bitLE(s_off+0x34,streamFile);
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fsbh.loopstart = read_32bitLE(s_off+0x38,streamFile);
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fsbh.loopend = read_32bitLE(s_off+0x3c,streamFile);
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if (fsbh.numsamples > 1) goto fail;
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fsbh.numchannels = (fsbh.mode & FSOUND_STEREO) ? 2 : 1;
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if (fsbh.loopend > fsbh.lengthsamples) /* this seems common... */
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fsbh.lengthsamples = fsbh.loopend;
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/* sample header (first stream only, not sure if there are multi-FSB1) */
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{
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off_t s_off = offset+fsbh.hdrsize;
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/* 0x00:name(len=0x20) */
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fsbh.lengthsamples = read_32bitLE(s_off+0x20,streamFile);
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fsbh.lengthcompressedbytes = read_32bitLE(s_off+0x24,streamFile);
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fsbh.deffreq = read_32bitLE(s_off+0x28,streamFile);
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/* 0x2c:? 0x2e:? 0x30:? 0x32:? */
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fsbh.mode = read_32bitLE(s_off+0x34,streamFile);
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fsbh.loopstart = read_32bitLE(s_off+0x38,streamFile);
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fsbh.loopend = read_32bitLE(s_off+0x3c,streamFile);
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fsbh.numchannels = (fsbh.mode & FSOUND_STEREO) ? 2 : 1;
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if (fsbh.loopend > fsbh.lengthsamples) /* this seems common... */
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fsbh.lengthsamples = fsbh.loopend;
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start_offset = offset + fsbh.hdrsize + fsbh.shdrsize;
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custom_data_offset = offset + fsbh.hdrsize + fsbh.shdrsize_min; /* DSP coefs, seek tables, etc */
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}
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}
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else { /* other FSBs (common/extended format) */
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if (fsbh.id == 0x46534232) { /* "FSB2" */
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@ -172,12 +179,12 @@ VGMSTREAM * init_vgmstream_fsb_offset(STREAMFILE *streamFile, off_t offset) {
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}
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/* main header */
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fsbh.numsamples = read_32bitLE(h_off+0x04,streamFile);
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fsbh.shdrsize = read_32bitLE(h_off+0x08,streamFile);
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fsbh.datasize = read_32bitLE(h_off+0x0c,streamFile);
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fsbh.numsamples = read_32bitLE(offset+0x04,streamFile);
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fsbh.shdrsize = read_32bitLE(offset+0x08,streamFile);
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fsbh.datasize = read_32bitLE(offset+0x0c,streamFile);
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if (fsbh.hdrsize > 0x10) {
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fsbh.version = read_32bitLE(h_off+0x10,streamFile);
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fsbh.flags = read_32bitLE(h_off+0x14,streamFile);
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fsbh.version = read_32bitLE(offset+0x10,streamFile);
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fsbh.flags = read_32bitLE(offset+0x14,streamFile);
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/* FSB4: 0x18:hash 0x20:guid */
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} else {
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fsbh.version = 0;
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@ -193,43 +200,64 @@ VGMSTREAM * init_vgmstream_fsb_offset(STREAMFILE *streamFile, off_t offset) {
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}
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if (fsbh.shdrsize < fsbh.shdrsize_min) goto fail;
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if (target_stream > fsbh.numsamples || target_stream < 0) goto fail;
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if (target_stream == 0) target_stream = 1;
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s_off = offset+fsbh.hdrsize;
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/* sample header */
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/* 0x00:size 0x02:name(len=size) */
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fsbh.lengthsamples = read_32bitLE(s_off+0x20,streamFile);
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fsbh.lengthcompressedbytes = read_32bitLE(s_off+0x24,streamFile);
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fsbh.loopstart = read_32bitLE(s_off+0x28,streamFile);
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fsbh.loopend = read_32bitLE(s_off+0x2c,streamFile);
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fsbh.mode = read_32bitLE(s_off+0x30,streamFile);
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fsbh.deffreq = read_32bitLE(s_off+0x34,streamFile);
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/* 0x38:defvol 0x3a:defpan 0x3c:defpri */
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fsbh.numchannels = read_16bitLE(s_off+0x3e,streamFile);
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/* FSB3.1/4: 0x40:mindistance 0x44:maxdistance 0x48:varfreq/size_32bits 0x4c:varvol 0x4e:fsbh.varpan */
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/* 0x50:extended_data (of size_32bits, when fsbh.shdrsize > 0x50) */
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/* sample header (N-stream) */
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{
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int i;
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off_t s_off = offset + fsbh.hdrsize;
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off_t d_off = offset + fsbh.hdrsize + fsbh.shdrsize;
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/* find target_stream data offset, reading each header */
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for(i=1; i <= fsbh.numsamples; i++) {
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/* 0x00:size 0x02:name(len=size) */
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fsbh.lengthsamples = read_32bitLE(s_off+0x20,streamFile);
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fsbh.lengthcompressedbytes = read_32bitLE(s_off+0x24,streamFile);
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fsbh.loopstart = read_32bitLE(s_off+0x28,streamFile);
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fsbh.loopend = read_32bitLE(s_off+0x2c,streamFile);
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fsbh.mode = read_32bitLE(s_off+0x30,streamFile);
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fsbh.deffreq = read_32bitLE(s_off+0x34,streamFile);
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/* 0x38:defvol 0x3a:defpan 0x3c:defpri */
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fsbh.numchannels = read_16bitLE(s_off+0x3e,streamFile);
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/* FSB3.1/4: 0x40:mindistance 0x44:maxdistance 0x48:varfreq/size_32bits 0x4c:varvol 0x4e:fsbh.varpan */
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if (target_stream == i) /* d_off found */
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break;
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s_off += fsbh.shdrsize_min; /* default size */
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if (fsbh.version == FMOD_FSB_VERSION_4_0) {
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uint32_t extended_data = read_32bitLE(s_off+0x48,streamFile); /* +0x50:extended_data of size_32bits */
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if (extended_data > fsbh.shdrsize_min)
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s_off += extended_data;
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}
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d_off += fsbh.lengthcompressedbytes; /* there is no offset so manually count */
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//d_off += d_off % 0x30; /*todo some formats need padding, not sure when/how */
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}
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if (i > fsbh.numsamples) goto fail; /* not found */
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start_offset = d_off;
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custom_data_offset = s_off + fsbh.shdrsize_min; /* DSP coefs, seek tables, etc */
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}
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}
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/* FSB header ok, check other stuff */
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if (fsbh.numsamples != 1) { /* multistream */
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VGM_LOG("FSB numsamples > 1 found\n");
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goto fail;
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}
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VGM_ASSERT(fsbh.numsamples > 1, "FSB: multiple streams found (%i entries)\n", fsbh.numsamples);
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/* XOR encryption for some FSB4 */
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if (fsbh.flags & FMOD_FSB_SOURCE_ENCRYPTED) {
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VGM_LOG("FSB ENCRYPTED found\n");
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goto fail;
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}
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#if 0
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/* sometimes there is garbage at the end or missing bytes? (Guitar Hero Wii) */
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/* sometimes there is garbage at the end or missing bytes due to improper demuxing */
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if (fsbh.hdrsize + fsbh.shdrsize + fsbh.datasize != streamFile->get_size(streamFile) - offset) {
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VGM_LOG("FSB wrong head/datasize found\n");
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goto fail;
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}
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#endif
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start_offset = offset + fsbh.hdrsize + fsbh.shdrsize;
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custom_data_offset = offset + fsbh.hdrsize + fsbh.shdrsize_min; /* DSP coefs, seek tables, etc */
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/* Loops by default unless disabled (sometimes may add FSOUND_LOOP_NORMAL). Often streams
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* repeat over and over (some tracks that shouldn't do this based on the flags, no real way to identify them). */
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loop_flag = !(fsbh.mode & FSOUND_LOOP_OFF); /* (fsbh.mode & FSOUND_LOOP_NORMAL) */
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@ -289,7 +317,7 @@ VGMSTREAM * init_vgmstream_fsb_offset(STREAMFILE *streamFile, off_t offset) {
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else if (fsbh.mode & FSOUND_IMAADPCM) { /* (codec 0x69, Voxware Byte Aligned) */
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if (fsbh.mode & FSOUND_IMAADPCMSTEREO) { /* noninterleaved, true stereo IMA */
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/* FSB4: Shatter, Blade Kitten (PC), Hard Corps: Uprising (PS3) */
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vgmstream->coding_type = coding_MS_IMA; /* todo not always working in Hard Corps, interleave problem? */
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vgmstream->coding_type = coding_MS_IMA;
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vgmstream->layout_type = layout_none;
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vgmstream->interleave_block_size = 0x24*vgmstream->channels;
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//VGM_LOG("FSB FSOUND_IMAADPCMSTEREO found\n");
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@ -300,7 +328,7 @@ VGMSTREAM * init_vgmstream_fsb_offset(STREAMFILE *streamFile, off_t offset) {
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vgmstream->interleave_block_size = 0x24*vgmstream->channels;
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//VGM_LOG("FSB FSOUND_IMAADPCM found\n");
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#if 0
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if (fsbh.numchannels > 2) { /* Blade Kitten 5.1 */
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if (fsbh.numchannels > 2) { /* Blade Kitten 5.1 (interleaved header?) */
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vgmstream->coding_type = coding_XBOX;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x12 * vgmstream->channels;
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