2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2017 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 * |
468 |
TruncatedBits = 0; |
TruncatedBits = 0; |
469 |
if (Compressed) { |
if (Compressed) { |
470 |
uint32_t version = ewav->ReadInt32(); |
uint32_t version = ewav->ReadInt32(); |
471 |
if (version == 3 && BitDepth == 24) { |
if (version > 2 && BitDepth == 24) { |
472 |
Dithered = ewav->ReadInt32(); |
Dithered = ewav->ReadInt32(); |
473 |
ewav->SetPos(Channels == 2 ? 84 : 64); |
ewav->SetPos(Channels == 2 ? 84 : 64); |
474 |
TruncatedBits = ewav->ReadInt32(); |
TruncatedBits = ewav->ReadInt32(); |
1732 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1733 |
memset(DimensionUpperLimits, 127, 8); |
memset(DimensionUpperLimits, 127, 8); |
1734 |
} |
} |
1735 |
// format extension for EG behavior options, these will *NOT* work with |
// chunk for own format extensions, these will *NOT* work with Gigasampler/GigaStudio ! |
|
// Gigasampler/GigaStudio ! |
|
1736 |
RIFF::Chunk* lsde = _3ewl->GetSubChunk(CHUNK_ID_LSDE); |
RIFF::Chunk* lsde = _3ewl->GetSubChunk(CHUNK_ID_LSDE); |
1737 |
if (lsde) { |
if (lsde) { // format extension for EG behavior options |
1738 |
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
1739 |
for (int i = 0; i < 2; ++i) { |
for (int i = 0; i < 2; ++i) { // NOTE: we reserved a 3rd byte for a potential future EG3 option |
1740 |
unsigned char byte = lsde->ReadUint8(); |
unsigned char byte = lsde->ReadUint8(); |
1741 |
pEGOpts[i]->AttackCancel = byte & 1; |
pEGOpts[i]->AttackCancel = byte & 1; |
1742 |
pEGOpts[i]->AttackHoldCancel = byte & (1 << 1); |
pEGOpts[i]->AttackHoldCancel = byte & (1 << 1); |
1745 |
pEGOpts[i]->ReleaseCancel = byte & (1 << 4); |
pEGOpts[i]->ReleaseCancel = byte & (1 << 4); |
1746 |
} |
} |
1747 |
} |
} |
1748 |
|
// format extension for sustain pedal up effect on release trigger samples |
1749 |
|
if (lsde && lsde->GetSize() > 3) { // NOTE: we reserved the 3rd byte for a potential future EG3 option |
1750 |
|
lsde->SetPos(3); |
1751 |
|
uint8_t byte = lsde->ReadUint8(); |
1752 |
|
SustainReleaseTrigger = static_cast<sust_rel_trg_t>(byte & 0x03); |
1753 |
|
NoNoteOffReleaseTrigger = byte >> 7; |
1754 |
|
} else { |
1755 |
|
SustainReleaseTrigger = sust_rel_trg_none; |
1756 |
|
NoNoteOffReleaseTrigger = false; |
1757 |
|
} |
1758 |
|
|
1759 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1760 |
VelocityResponseDepth, |
VelocityResponseDepth, |
1945 |
SRLZ(SampleAttenuation); |
SRLZ(SampleAttenuation); |
1946 |
SRLZ(EG1Options); |
SRLZ(EG1Options); |
1947 |
SRLZ(EG2Options); |
SRLZ(EG2Options); |
1948 |
|
SRLZ(SustainReleaseTrigger); |
1949 |
|
SRLZ(NoNoteOffReleaseTrigger); |
1950 |
|
|
1951 |
// derived attributes from DLS::Sampler |
// derived attributes from DLS::Sampler |
1952 |
SRLZ(FineTune); |
SRLZ(FineTune); |
1986 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1987 |
if (!_3ewa) { |
if (!_3ewa) { |
1988 |
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
1989 |
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
bool versiongt2 = pFile->pVersion && pFile->pVersion->major > 2; |
1990 |
_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, versiongt2 ? 148 : 140); |
1991 |
} |
} |
1992 |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
1993 |
|
|
2254 |
memcpy(&pData[140], DimensionUpperLimits, 8); |
memcpy(&pData[140], DimensionUpperLimits, 8); |
2255 |
} |
} |
2256 |
|
|
2257 |
// format extension for EG behavior options, these will *NOT* work with |
// chunk for own format extensions, these will *NOT* work with |
2258 |
// Gigasampler/GigaStudio ! |
// Gigasampler/GigaStudio ! |
2259 |
RIFF::Chunk* lsde = pParentList->GetSubChunk(CHUNK_ID_LSDE); |
RIFF::Chunk* lsde = pParentList->GetSubChunk(CHUNK_ID_LSDE); |
2260 |
|
const int lsdeSize = 4; // NOTE: we reserved the 3rd byte for a potential future EG3 option |
2261 |
if (!lsde) { |
if (!lsde) { |
2262 |
// only add this "LSDE" chunk if the EG options do not match the |
// only add this "LSDE" chunk if either EG options or release |
2263 |
// default EG behavior |
// trigger options deviate from their default behaviour |
2264 |
eg_opt_t defaultOpt; |
eg_opt_t defaultOpt; |
2265 |
if (memcmp(&EG1Options, &defaultOpt, sizeof(eg_opt_t)) || |
if (memcmp(&EG1Options, &defaultOpt, sizeof(eg_opt_t)) || |
2266 |
memcmp(&EG2Options, &defaultOpt, sizeof(eg_opt_t))) |
memcmp(&EG2Options, &defaultOpt, sizeof(eg_opt_t)) || |
2267 |
|
SustainReleaseTrigger || NoNoteOffReleaseTrigger) |
2268 |
{ |
{ |
2269 |
lsde = pParentList->AddSubChunk(CHUNK_ID_LSDE, 2); |
lsde = pParentList->AddSubChunk(CHUNK_ID_LSDE, lsdeSize); |
2270 |
// move LSDE chunk to the end of parent list |
// move LSDE chunk to the end of parent list |
2271 |
pParentList->MoveSubChunk(lsde, (RIFF::Chunk*)NULL); |
pParentList->MoveSubChunk(lsde, (RIFF::Chunk*)NULL); |
2272 |
} |
} |
2273 |
} |
} |
2274 |
if (lsde) { |
if (lsde) { |
2275 |
|
if (lsde->GetNewSize() < lsdeSize) |
2276 |
|
lsde->Resize(lsdeSize); |
2277 |
|
// format extension for EG behavior options |
2278 |
unsigned char* pData = (unsigned char*) lsde->LoadChunkData(); |
unsigned char* pData = (unsigned char*) lsde->LoadChunkData(); |
2279 |
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
eg_opt_t* pEGOpts[2] = { &EG1Options, &EG2Options }; |
2280 |
for (int i = 0; i < 2; ++i) { |
for (int i = 0; i < 2; ++i) { // NOTE: we reserved the 3rd byte for a potential future EG3 option |
2281 |
pData[i] = |
pData[i] = |
2282 |
(pEGOpts[i]->AttackCancel ? 1 : 0) | |
(pEGOpts[i]->AttackCancel ? 1 : 0) | |
2283 |
(pEGOpts[i]->AttackHoldCancel ? (1<<1) : 0) | |
(pEGOpts[i]->AttackHoldCancel ? (1<<1) : 0) | |
2285 |
(pEGOpts[i]->Decay2Cancel ? (1<<3) : 0) | |
(pEGOpts[i]->Decay2Cancel ? (1<<3) : 0) | |
2286 |
(pEGOpts[i]->ReleaseCancel ? (1<<4) : 0); |
(pEGOpts[i]->ReleaseCancel ? (1<<4) : 0); |
2287 |
} |
} |
2288 |
|
// format extension for release trigger options |
2289 |
|
pData[3] = static_cast<uint8_t>(SustainReleaseTrigger) | (NoNoteOffReleaseTrigger ? (1<<7) : 0); |
2290 |
} |
} |
2291 |
} |
} |
2292 |
|
|
3226 |
} |
} |
3227 |
Layers = 1; |
Layers = 1; |
3228 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
3229 |
int dimensionBits = (file->pVersion && file->pVersion->major == 3) ? 8 : 5; |
int dimensionBits = (file->pVersion && file->pVersion->major > 2) ? 8 : 5; |
3230 |
|
|
3231 |
// Actual Loading |
// Actual Loading |
3232 |
|
|
3270 |
UpdateVelocityTable(); |
UpdateVelocityTable(); |
3271 |
|
|
3272 |
// jump to start of the wave pool indices (if not already there) |
// jump to start of the wave pool indices (if not already there) |
3273 |
if (file->pVersion && file->pVersion->major == 3) |
if (file->pVersion && file->pVersion->major > 2) |
3274 |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
3275 |
else |
else |
3276 |
_3lnk->SetPos(44); |
_3lnk->SetPos(44); |
3329 |
} |
} |
3330 |
|
|
3331 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
3332 |
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
bool versiongt2 = pFile->pVersion && pFile->pVersion->major > 2; |
3333 |
const int iMaxDimensions = version3 ? 8 : 5; |
const int iMaxDimensions = versiongt2 ? 8 : 5; |
3334 |
const int iMaxDimensionRegions = version3 ? 256 : 32; |
const int iMaxDimensionRegions = versiongt2 ? 256 : 32; |
3335 |
|
|
3336 |
// make sure '3lnk' chunk exists |
// make sure '3lnk' chunk exists |
3337 |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
3338 |
if (!_3lnk) { |
if (!_3lnk) { |
3339 |
const int _3lnkChunkSize = version3 ? 1092 : 172; |
const int _3lnkChunkSize = versiongt2 ? 1092 : 172; |
3340 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
3341 |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
3342 |
|
|
3360 |
} |
} |
3361 |
|
|
3362 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
3363 |
const int iWavePoolOffset = version3 ? 68 : 44; |
const int iWavePoolOffset = versiongt2 ? 68 : 44; |
3364 |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
3365 |
int iWaveIndex = -1; |
int iWaveIndex = -1; |
3366 |
if (i < DimensionRegions) { |
if (i < DimensionRegions) { |
3503 |
|
|
3504 |
// check if max. amount of dimensions reached |
// check if max. amount of dimensions reached |
3505 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
3506 |
const int iMaxDimensions = (file->pVersion && file->pVersion->major == 3) ? 8 : 5; |
const int iMaxDimensions = (file->pVersion && file->pVersion->major > 2) ? 8 : 5; |
3507 |
if (Dimensions >= iMaxDimensions) |
if (Dimensions >= iMaxDimensions) |
3508 |
throw gig::Exception("Could not add new dimension, max. amount of " + ToString(iMaxDimensions) + " dimensions already reached"); |
throw gig::Exception("Could not add new dimension, max. amount of " + ToString(iMaxDimensions) + " dimensions already reached"); |
3509 |
// check if max. amount of dimension bits reached |
// check if max. amount of dimension bits reached |
4835 |
File* pFile = (File*) GetParent(); |
File* pFile = (File*) GetParent(); |
4836 |
|
|
4837 |
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
4838 |
int size = (pFile->pVersion && pFile->pVersion->major == 3) ? 16416 : 12; |
int size = (pFile->pVersion && pFile->pVersion->major > 2) ? 16416 : 12; |
4839 |
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
4840 |
memset(_3ewg->LoadChunkData(), 0, size); |
memset(_3ewg->LoadChunkData(), 0, size); |
4841 |
} |
} |
5417 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
5418 |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
5419 |
|
|
5420 |
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major == 3) { |
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major > 2) { |
5421 |
// v3 has a fixed list of 128 strings, find a free one |
// v3 has a fixed list of 128 strings, find a free one |
5422 |
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
5423 |
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
5512 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
5513 |
}; |
}; |
5514 |
|
|
5515 |
|
/// Reflects Gigasampler file format version 4.0 (2007-10-12). |
5516 |
|
const DLS::version_t File::VERSION_4 = { |
5517 |
|
0, 4, 20071012 & 0xffff, 20071012 >> 16 |
5518 |
|
}; |
5519 |
|
|
5520 |
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
5521 |
{ CHUNK_ID_IARL, 256 }, |
{ CHUNK_ID_IARL, 256 }, |
5522 |
{ CHUNK_ID_IART, 128 }, |
{ CHUNK_ID_IART, 128 }, |
5613 |
return static_cast<gig::Sample*>( *it ); |
return static_cast<gig::Sample*>( *it ); |
5614 |
} |
} |
5615 |
|
|
5616 |
|
/** |
5617 |
|
* Returns the total amount of samples of this gig file. |
5618 |
|
* |
5619 |
|
* Note that this method might block for a long time in case it is required |
5620 |
|
* to load the sample info for the first time. |
5621 |
|
* |
5622 |
|
* @returns total amount of samples |
5623 |
|
*/ |
5624 |
|
size_t File::CountSamples() { |
5625 |
|
if (!pSamples) LoadSamples(); |
5626 |
|
if (!pSamples) return 0; |
5627 |
|
return pSamples->size(); |
5628 |
|
} |
5629 |
|
|
5630 |
/** @brief Add a new sample. |
/** @brief Add a new sample. |
5631 |
* |
* |
5632 |
* This will create a new Sample object for the gig file. You have to |
* This will create a new Sample object for the gig file. You have to |
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 |
5811 |
} |
} |
5812 |
|
|
5813 |
/** |
/** |
5814 |
|
* Returns the total amount of instruments of this gig file. |
5815 |
|
* |
5816 |
|
* Note that this method might block for a long time in case it is required |
5817 |
|
* to load the instruments info for the first time. |
5818 |
|
* |
5819 |
|
* @returns total amount of instruments |
5820 |
|
*/ |
5821 |
|
size_t File::CountInstruments() { |
5822 |
|
if (!pInstruments) LoadInstruments(); |
5823 |
|
if (!pInstruments) return 0; |
5824 |
|
return pInstruments->size(); |
5825 |
|
} |
5826 |
|
|
5827 |
|
/** |
5828 |
* Returns the instrument with the given index. |
* Returns the instrument with the given index. |
5829 |
* |
* |
5830 |
* @param index - number of the sought instrument (0..n) |
* @param index - number of the sought instrument (0..n) |
6143 |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
6144 |
// the order of einf and 3crc is not the same in v2 and v3 |
// the order of einf and 3crc is not the same in v2 and v3 |
6145 |
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
6146 |
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
if (einf && pVersion && pVersion->major > 2) pRIFF->MoveSubChunk(_3crc, einf); |
6147 |
bRequiresSave = true; |
bRequiresSave = true; |
6148 |
} else if (_3crc->GetNewSize() != pSamples->size() * 8) { |
} else if (_3crc->GetNewSize() != pSamples->size() * 8) { |
6149 |
_3crc->Resize(pSamples->size() * 8); |
_3crc->Resize(pSamples->size() * 8); |
6292 |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
6293 |
while (ck) { |
while (ck) { |
6294 |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
6295 |
if (pVersion && pVersion->major == 3 && |
if (pVersion && pVersion->major > 2 && |
6296 |
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
6297 |
|
|
6298 |
pGroups->push_back(new Group(this, ck)); |
pGroups->push_back(new Group(this, ck)); |
6468 |
|
|
6469 |
// v3: make sure the file has 128 3gnm chunks |
// v3: make sure the file has 128 3gnm chunks |
6470 |
// (before updating the Group chunks) |
// (before updating the Group chunks) |
6471 |
if (pVersion && pVersion->major == 3) { |
if (pVersion && pVersion->major > 2) { |
6472 |
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
6473 |
for (int i = 0 ; i < 128 ; i++) { |
for (int i = 0 ; i < 128 ; i++) { |
6474 |
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
6614 |
} else /*if (newFile)*/ { |
} else /*if (newFile)*/ { |
6615 |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
6616 |
// the order of einf and 3crc is not the same in v2 and v3 |
// the order of einf and 3crc is not the same in v2 and v3 |
6617 |
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
if (einf && pVersion && pVersion->major > 2) pRIFF->MoveSubChunk(_3crc, einf); |
6618 |
} |
} |
6619 |
{ // must be performed in RAM here ... |
{ // must be performed in RAM here ... |
6620 |
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |
uint32_t* pData = (uint32_t*) _3crc->LoadChunkData(); |