2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2020 by Christian Schoenebeck * |
* Copyright (C) 2003-2021 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 * |
209 |
if (lart) { |
if (lart) { |
210 |
uint32_t artCkType = (lart->GetListType() == LIST_TYPE_LAR2) ? CHUNK_ID_ART2 |
uint32_t artCkType = (lart->GetListType() == LIST_TYPE_LAR2) ? CHUNK_ID_ART2 |
211 |
: CHUNK_ID_ARTL; |
: CHUNK_ID_ARTL; |
212 |
RIFF::Chunk* art = lart->GetFirstSubChunk(); |
size_t i = 0; |
213 |
while (art) { |
for (RIFF::Chunk* art = lart->GetSubChunkAt(i); art; |
214 |
|
art = lart->GetSubChunkAt(++i)) |
215 |
|
{ |
216 |
if (art->GetChunkID() == artCkType) { |
if (art->GetChunkID() == artCkType) { |
217 |
if (!pArticulations) pArticulations = new ArticulationList; |
if (!pArticulations) pArticulations = new ArticulationList; |
218 |
pArticulations->push_back(new Articulation(art)); |
pArticulations->push_back(new Articulation(art)); |
219 |
} |
} |
|
art = lart->GetNextSubChunk(); |
|
220 |
} |
} |
221 |
} |
} |
222 |
} |
} |
1164 |
if (pSample) return pSample; |
if (pSample) return pSample; |
1165 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
1166 |
uint64_t soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
uint64_t soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
1167 |
Sample* sample = file->GetFirstSample(); |
size_t i = 0; |
1168 |
while (sample) { |
for (Sample* sample = file->GetSample(i); sample; |
1169 |
|
sample = file->GetSample(++i)) |
1170 |
|
{ |
1171 |
if (sample->ullWavePoolOffset == soughtoffset) return (pSample = sample); |
if (sample->ullWavePoolOffset == soughtoffset) return (pSample = sample); |
|
sample = file->GetNextSample(); |
|
1172 |
} |
} |
1173 |
return NULL; |
return NULL; |
1174 |
} |
} |
1359 |
pRegions = NULL; |
pRegions = NULL; |
1360 |
} |
} |
1361 |
|
|
1362 |
|
/** |
1363 |
|
* Returns Region at supplied @a pos position within the region list of |
1364 |
|
* this instrument. If supplied @a pos is out of bounds then @c NULL is |
1365 |
|
* returned. |
1366 |
|
* |
1367 |
|
* @param pos - position of sought Region in region list |
1368 |
|
* @returns pointer address to requested region or @c NULL if @a pos is |
1369 |
|
* out of bounds |
1370 |
|
*/ |
1371 |
|
Region* Instrument::GetRegionAt(size_t pos) { |
1372 |
|
if (!pRegions) LoadRegions(); |
1373 |
|
if (!pRegions) return NULL; |
1374 |
|
if (pos >= pRegions->size()) return NULL; |
1375 |
|
return (*pRegions)[pos]; |
1376 |
|
} |
1377 |
|
|
1378 |
|
/** |
1379 |
|
* Returns the first Region of the instrument. You have to call this |
1380 |
|
* method once before you use GetNextRegion(). |
1381 |
|
* |
1382 |
|
* @returns pointer address to first region or NULL if there is none |
1383 |
|
* @see GetNextRegion() |
1384 |
|
* @deprecated This method is not reentrant-safe, use GetRegionAt() |
1385 |
|
* instead. |
1386 |
|
*/ |
1387 |
Region* Instrument::GetFirstRegion() { |
Region* Instrument::GetFirstRegion() { |
1388 |
if (!pRegions) LoadRegions(); |
if (!pRegions) LoadRegions(); |
1389 |
if (!pRegions) return NULL; |
if (!pRegions) return NULL; |
1391 |
return (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL; |
return (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL; |
1392 |
} |
} |
1393 |
|
|
1394 |
|
/** |
1395 |
|
* Returns the next Region of the instrument. You have to call |
1396 |
|
* GetFirstRegion() once before you can use this method. By calling this |
1397 |
|
* method multiple times it iterates through the available Regions. |
1398 |
|
* |
1399 |
|
* @returns pointer address to the next region or NULL if end reached |
1400 |
|
* @see GetFirstRegion() |
1401 |
|
* @deprecated This method is not reentrant-safe, use GetRegionAt() |
1402 |
|
* instead. |
1403 |
|
*/ |
1404 |
Region* Instrument::GetNextRegion() { |
Region* Instrument::GetNextRegion() { |
1405 |
if (!pRegions) return NULL; |
if (!pRegions) return NULL; |
1406 |
RegionsIterator++; |
RegionsIterator++; |
1412 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1413 |
if (lrgn) { |
if (lrgn) { |
1414 |
uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2 |
uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2 |
1415 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
size_t i = 0; |
1416 |
while (rgn) { |
for (RIFF::List* rgn = lrgn->GetSubListAt(i); rgn; |
1417 |
|
rgn = lrgn->GetSubListAt(++i)) |
1418 |
|
{ |
1419 |
if (rgn->GetListType() == regionCkType) { |
if (rgn->GetListType() == regionCkType) { |
1420 |
pRegions->push_back(new Region(this, rgn)); |
pRegions->push_back(new Region(this, rgn)); |
1421 |
} |
} |
|
rgn = lrgn->GetNextSubList(); |
|
1422 |
} |
} |
1423 |
} |
} |
1424 |
} |
} |
1437 |
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
1438 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1439 |
lrgn->MoveSubChunk(pSrc->pCkRegion, (RIFF::Chunk*) (pDst ? pDst->pCkRegion : 0)); |
lrgn->MoveSubChunk(pSrc->pCkRegion, (RIFF::Chunk*) (pDst ? pDst->pCkRegion : 0)); |
1440 |
|
for (size_t i = 0; i < pRegions->size(); ++i) { |
1441 |
pRegions->remove(pSrc); |
if ((*pRegions)[i] == pSrc) { |
1442 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
pRegions->erase(pRegions->begin() + i); |
1443 |
pRegions->insert(iter, pSrc); |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
1444 |
|
pRegions->insert(iter, pSrc); |
1445 |
|
} |
1446 |
|
} |
1447 |
} |
} |
1448 |
|
|
1449 |
void Instrument::DeleteRegion(Region* pRegion) { |
void Instrument::DeleteRegion(Region* pRegion) { |
1565 |
void Instrument::CopyAssign(const Instrument* orig) { |
void Instrument::CopyAssign(const Instrument* orig) { |
1566 |
CopyAssignCore(orig); |
CopyAssignCore(orig); |
1567 |
// delete all regions first |
// delete all regions first |
1568 |
while (Regions) DeleteRegion(GetFirstRegion()); |
while (Regions) DeleteRegion(GetRegionAt(0)); |
1569 |
// now recreate and copy regions |
// now recreate and copy regions |
1570 |
{ |
{ |
1571 |
RegionList::const_iterator it = orig->pRegions->begin(); |
RegionList::const_iterator it = orig->pRegions->begin(); |
1701 |
delete pRIFF; |
delete pRIFF; |
1702 |
} |
} |
1703 |
|
|
1704 |
|
/** |
1705 |
|
* Returns Sample object of @a index. |
1706 |
|
* |
1707 |
|
* @param index - position of sample in sample list (0..n) |
1708 |
|
* @returns sample object or NULL if index is out of bounds |
1709 |
|
*/ |
1710 |
|
Sample* File::GetSample(size_t index) { |
1711 |
|
if (!pSamples) LoadSamples(); |
1712 |
|
if (!pSamples) return NULL; |
1713 |
|
if (index >= pSamples->size()) return NULL; |
1714 |
|
return (*pSamples)[index]; |
1715 |
|
} |
1716 |
|
|
1717 |
|
/** |
1718 |
|
* Returns a pointer to the first <i>Sample</i> object of the file, |
1719 |
|
* <i>NULL</i> otherwise. |
1720 |
|
* |
1721 |
|
* @deprecated This method is not reentrant-safe, use GetSample() |
1722 |
|
* instead. |
1723 |
|
*/ |
1724 |
Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample() { |
1725 |
if (!pSamples) LoadSamples(); |
if (!pSamples) LoadSamples(); |
1726 |
if (!pSamples) return NULL; |
if (!pSamples) return NULL; |
1728 |
return (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL; |
return (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL; |
1729 |
} |
} |
1730 |
|
|
1731 |
|
/** |
1732 |
|
* Returns a pointer to the next <i>Sample</i> object of the file, |
1733 |
|
* <i>NULL</i> otherwise. |
1734 |
|
* |
1735 |
|
* @deprecated This method is not reentrant-safe, use GetSample() |
1736 |
|
* instead. |
1737 |
|
*/ |
1738 |
Sample* File::GetNextSample() { |
Sample* File::GetNextSample() { |
1739 |
if (!pSamples) return NULL; |
if (!pSamples) return NULL; |
1740 |
SamplesIterator++; |
SamplesIterator++; |
1747 |
if (wvpl) { |
if (wvpl) { |
1748 |
file_offset_t wvplFileOffset = wvpl->GetFilePos() - |
file_offset_t wvplFileOffset = wvpl->GetFilePos() - |
1749 |
wvpl->GetPos(); // should be zero, but just to be sure |
wvpl->GetPos(); // should be zero, but just to be sure |
1750 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
size_t i = 0; |
1751 |
while (wave) { |
for (RIFF::List* wave = wvpl->GetSubListAt(i); wave; |
1752 |
|
wave = wvpl->GetSubListAt(++i)) |
1753 |
|
{ |
1754 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
1755 |
file_offset_t waveFileOffset = wave->GetFilePos() - |
file_offset_t waveFileOffset = wave->GetFilePos() - |
1756 |
wave->GetPos(); // should be zero, but just to be sure |
wave->GetPos(); // should be zero, but just to be sure |
1757 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1758 |
} |
} |
|
wave = wvpl->GetNextSubList(); |
|
1759 |
} |
} |
1760 |
} |
} |
1761 |
else { // Seen a dwpl list chunk instead of a wvpl list chunk in some file (officially not DLS compliant) |
else { // Seen a dwpl list chunk instead of a wvpl list chunk in some file (officially not DLS compliant) |
1763 |
if (dwpl) { |
if (dwpl) { |
1764 |
file_offset_t dwplFileOffset = dwpl->GetFilePos() - |
file_offset_t dwplFileOffset = dwpl->GetFilePos() - |
1765 |
dwpl->GetPos(); // should be zero, but just to be sure |
dwpl->GetPos(); // should be zero, but just to be sure |
1766 |
RIFF::List* wave = dwpl->GetFirstSubList(); |
size_t i = 0; |
1767 |
while (wave) { |
for (RIFF::List* wave = dwpl->GetSubListAt(i); wave; |
1768 |
|
wave = dwpl->GetSubListAt(++i)) |
1769 |
|
{ |
1770 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
1771 |
file_offset_t waveFileOffset = wave->GetFilePos() - |
file_offset_t waveFileOffset = wave->GetFilePos() - |
1772 |
wave->GetPos(); // should be zero, but just to be sure |
wave->GetPos(); // should be zero, but just to be sure |
1773 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
1774 |
} |
} |
|
wave = dwpl->GetNextSubList(); |
|
1775 |
} |
} |
1776 |
} |
} |
1777 |
} |
} |
1828 |
if (!pInstruments) pInstruments = new InstrumentList; |
if (!pInstruments) pInstruments = new InstrumentList; |
1829 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1830 |
if (lstInstruments) { |
if (lstInstruments) { |
1831 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
size_t i = 0; |
1832 |
while (lstInstr) { |
for (RIFF::List* lstInstr = lstInstruments->GetSubListAt(i); |
1833 |
|
lstInstr; lstInstr = lstInstruments->GetSubListAt(++i)) |
1834 |
|
{ |
1835 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
1836 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
pInstruments->push_back(new Instrument(this, lstInstr)); |
1837 |
} |
} |
|
lstInstr = lstInstruments->GetNextSubList(); |
|
1838 |
} |
} |
1839 |
} |
} |
1840 |
} |
} |