2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2018 by Christian Schoenebeck * |
* Copyright (C) 2003-2019 by Christian Schoenebeck * |
6 |
* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
7 |
* * |
* * |
8 |
* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
5702 |
int iSampleIndex = 0; |
int iSampleIndex = 0; |
5703 |
int iTotalSamples = WavePoolCount; |
int iTotalSamples = WavePoolCount; |
5704 |
|
|
5705 |
// check if samples should be loaded from extension files |
// just for assembling path of optional extension files to be read |
5706 |
// (only for old gig files < 2 GB) |
const std::string folder = parentPath(pRIFF->GetFileName()); |
5707 |
int lastFileNo = 0; |
const std::string baseName = pathWithoutExtension(pRIFF->GetFileName()); |
5708 |
if (!file->IsNew() && !(file->GetCurrentFileSize() >> 31)) { |
|
5709 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
// the main gig file and the extension files (.gx01, ... , .gx98) may |
5710 |
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
// contain wave data (wave pool) |
5711 |
} |
std::vector<RIFF::File*> poolFiles; |
5712 |
} |
poolFiles.push_back(pRIFF); |
5713 |
String name(pRIFF->GetFileName()); |
|
5714 |
int nameLen = (int) name.length(); |
// get info about all extension files |
5715 |
char suffix[6]; |
RIFF::Chunk* ckXfil = pRIFF->GetSubChunk(CHUNK_ID_XFIL); |
5716 |
if (nameLen > 4 && name.substr(nameLen - 4) == ".gig") nameLen -= 4; |
if (ckXfil) { // there are extension files (.gx01, ... , .gx98) ... |
5717 |
|
const uint32_t n = ckXfil->ReadInt32(); |
5718 |
for (int fileNo = 0 ; ; ) { |
for (int i = 0; i < n; i++) { |
5719 |
|
// read the filename and load the extension file |
5720 |
|
std::string name; |
5721 |
|
ckXfil->ReadString(name, 128); |
5722 |
|
std::string path = concatPath(folder, name); |
5723 |
|
RIFF::File* pExtFile = new RIFF::File(path); |
5724 |
|
// check that the dlsids match |
5725 |
|
RIFF::Chunk* ckDLSID = pExtFile->GetSubChunk(CHUNK_ID_DLID); |
5726 |
|
if (ckDLSID) { |
5727 |
|
::DLS::dlsid_t idExpected; |
5728 |
|
idExpected.ulData1 = ckXfil->ReadInt32(); |
5729 |
|
idExpected.usData2 = ckXfil->ReadInt16(); |
5730 |
|
idExpected.usData3 = ckXfil->ReadInt16(); |
5731 |
|
ckXfil->Read(idExpected.abData, 8, 1); |
5732 |
|
::DLS::dlsid_t idFound; |
5733 |
|
ckDLSID->Read(&idFound.ulData1, 1, 4); |
5734 |
|
ckDLSID->Read(&idFound.usData2, 1, 2); |
5735 |
|
ckDLSID->Read(&idFound.usData3, 1, 2); |
5736 |
|
ckDLSID->Read(idFound.abData, 8, 1); |
5737 |
|
if (memcmp(&idExpected, &idFound, 16) != 0) |
5738 |
|
throw gig::Exception("dlsid mismatch for extension file: %s", path.c_str()); |
5739 |
|
} |
5740 |
|
poolFiles.push_back(pExtFile); |
5741 |
|
ExtensionFiles.push_back(pExtFile); |
5742 |
|
} |
5743 |
|
} |
5744 |
|
|
5745 |
|
// check if a .gx99 (GigaPulse) file exists |
5746 |
|
RIFF::Chunk* ckDoxf = pRIFF->GetSubChunk(CHUNK_ID_DOXF); |
5747 |
|
if (ckDoxf) { // there is a .gx99 (GigaPulse) file ... |
5748 |
|
std::string path = baseName + ".gx99"; |
5749 |
|
RIFF::File* pExtFile = new RIFF::File(path); |
5750 |
|
|
5751 |
|
// skip unused int and filename |
5752 |
|
ckDoxf->SetPos(132, RIFF::stream_whence_t::stream_curpos); |
5753 |
|
|
5754 |
|
// check that the dlsids match |
5755 |
|
RIFF::Chunk* ckDLSID = pExtFile->GetSubChunk(CHUNK_ID_DLID); |
5756 |
|
if (ckDLSID) { |
5757 |
|
::DLS::dlsid_t idExpected; |
5758 |
|
idExpected.ulData1 = ckDoxf->ReadInt32(); |
5759 |
|
idExpected.usData2 = ckDoxf->ReadInt16(); |
5760 |
|
idExpected.usData3 = ckDoxf->ReadInt16(); |
5761 |
|
ckDoxf->Read(idExpected.abData, 8, 1); |
5762 |
|
::DLS::dlsid_t idFound; |
5763 |
|
ckDLSID->Read(&idFound.ulData1, 1, 4); |
5764 |
|
ckDLSID->Read(&idFound.usData2, 1, 2); |
5765 |
|
ckDLSID->Read(&idFound.usData3, 1, 2); |
5766 |
|
ckDLSID->Read(idFound.abData, 8, 1); |
5767 |
|
if (memcmp(&idExpected, &idFound, 16) != 0) |
5768 |
|
throw gig::Exception("dlsid mismatch for GigaPulse file: %s", path.c_str()); |
5769 |
|
} |
5770 |
|
poolFiles.push_back(pExtFile); |
5771 |
|
ExtensionFiles.push_back(pExtFile); |
5772 |
|
} |
5773 |
|
|
5774 |
|
// load samples from extension files (if required) |
5775 |
|
for (int i = 0; i < poolFiles.size(); i++) { |
5776 |
|
RIFF::File* file = poolFiles[i]; |
5777 |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
5778 |
if (wvpl) { |
if (wvpl) { |
5779 |
file_offset_t wvplFileOffset = wvpl->GetFilePos(); |
file_offset_t wvplFileOffset = wvpl->GetFilePos(); |
5785 |
__notify_progress(pProgress, subprogress); |
__notify_progress(pProgress, subprogress); |
5786 |
|
|
5787 |
file_offset_t waveFileOffset = wave->GetFilePos(); |
file_offset_t waveFileOffset = wave->GetFilePos(); |
5788 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo, iSampleIndex)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, i, iSampleIndex)); |
5789 |
|
|
5790 |
iSampleIndex++; |
iSampleIndex++; |
5791 |
} |
} |
5792 |
wave = wvpl->GetNextSubList(); |
wave = wvpl->GetNextSubList(); |
5793 |
} |
} |
5794 |
|
} |
|
if (fileNo == lastFileNo) break; |
|
|
|
|
|
// open extension file (*.gx01, *.gx02, ...) |
|
|
fileNo++; |
|
|
sprintf(suffix, ".gx%02d", fileNo); |
|
|
name.replace(nameLen, 5, suffix); |
|
|
file = new RIFF::File(name); |
|
|
ExtensionFiles.push_back(file); |
|
|
} else break; |
|
5795 |
} |
} |
5796 |
|
|
5797 |
__notify_progress(pProgress, 1.0); // notify done |
__notify_progress(pProgress, 1.0); // notify done |