2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2007 by Christian Schoenebeck * |
* Copyright (C) 2003-2013 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 * |
25 |
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|
26 |
#include "helper.h" |
#include "helper.h" |
27 |
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|
28 |
|
#include <algorithm> |
29 |
#include <math.h> |
#include <math.h> |
30 |
#include <iostream> |
#include <iostream> |
31 |
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256 |
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257 |
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258 |
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259 |
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// *************** Internal CRC-32 (Cyclic Redundancy Check) functions *************** |
260 |
|
// * |
261 |
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|
262 |
|
static uint32_t* __initCRCTable() { |
263 |
|
static uint32_t res[256]; |
264 |
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|
265 |
|
for (int i = 0 ; i < 256 ; i++) { |
266 |
|
uint32_t c = i; |
267 |
|
for (int j = 0 ; j < 8 ; j++) { |
268 |
|
c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
269 |
|
} |
270 |
|
res[i] = c; |
271 |
|
} |
272 |
|
return res; |
273 |
|
} |
274 |
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|
275 |
|
static const uint32_t* __CRCTable = __initCRCTable(); |
276 |
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|
277 |
|
/** |
278 |
|
* Initialize a CRC variable. |
279 |
|
* |
280 |
|
* @param crc - variable to be initialized |
281 |
|
*/ |
282 |
|
inline static void __resetCRC(uint32_t& crc) { |
283 |
|
crc = 0xffffffff; |
284 |
|
} |
285 |
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|
286 |
|
/** |
287 |
|
* Used to calculate checksums of the sample data in a gig file. The |
288 |
|
* checksums are stored in the 3crc chunk of the gig file and |
289 |
|
* automatically updated when a sample is written with Sample::Write(). |
290 |
|
* |
291 |
|
* One should call __resetCRC() to initialize the CRC variable to be |
292 |
|
* used before calling this function the first time. |
293 |
|
* |
294 |
|
* After initializing the CRC variable one can call this function |
295 |
|
* arbitrary times, i.e. to split the overall CRC calculation into |
296 |
|
* steps. |
297 |
|
* |
298 |
|
* Once the whole data was processed by __calculateCRC(), one should |
299 |
|
* call __encodeCRC() to get the final CRC result. |
300 |
|
* |
301 |
|
* @param buf - pointer to data the CRC shall be calculated of |
302 |
|
* @param bufSize - size of the data to be processed |
303 |
|
* @param crc - variable the CRC sum shall be stored to |
304 |
|
*/ |
305 |
|
static void __calculateCRC(unsigned char* buf, int bufSize, uint32_t& crc) { |
306 |
|
for (int i = 0 ; i < bufSize ; i++) { |
307 |
|
crc = __CRCTable[(crc ^ buf[i]) & 0xff] ^ (crc >> 8); |
308 |
|
} |
309 |
|
} |
310 |
|
|
311 |
|
/** |
312 |
|
* Returns the final CRC result. |
313 |
|
* |
314 |
|
* @param crc - variable previously passed to __calculateCRC() |
315 |
|
*/ |
316 |
|
inline static uint32_t __encodeCRC(const uint32_t& crc) { |
317 |
|
return crc ^ 0xffffffff; |
318 |
|
} |
319 |
|
|
320 |
|
|
321 |
|
|
322 |
// *************** Other Internal functions *************** |
// *************** Other Internal functions *************** |
323 |
// * |
// * |
324 |
|
|
342 |
|
|
343 |
|
|
344 |
|
|
|
// *************** CRC *************** |
|
|
// * |
|
|
|
|
|
const uint32_t* CRC::table(initTable()); |
|
|
|
|
|
uint32_t* CRC::initTable() { |
|
|
uint32_t* res = new uint32_t[256]; |
|
|
|
|
|
for (int i = 0 ; i < 256 ; i++) { |
|
|
uint32_t c = i; |
|
|
for (int j = 0 ; j < 8 ; j++) { |
|
|
c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
|
|
} |
|
|
res[i] = c; |
|
|
} |
|
|
return res; |
|
|
} |
|
|
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|
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|
345 |
// *************** Sample *************** |
// *************** Sample *************** |
346 |
// * |
// * |
347 |
|
|
367 |
* is located, 0 otherwise |
* is located, 0 otherwise |
368 |
*/ |
*/ |
369 |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
370 |
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
371 |
{ CHUNK_ID_INAM, 64 }, |
{ CHUNK_ID_INAM, 64 }, |
372 |
{ 0, 0 } |
{ 0, 0 } |
373 |
}; |
}; |
374 |
pInfo->FixedStringLengths = fixedStringLengths; |
pInfo->SetFixedStringLengths(fixedStringLengths); |
375 |
Instances++; |
Instances++; |
376 |
FileNo = fileNo; |
FileNo = fileNo; |
377 |
|
|
378 |
|
__resetCRC(crc); |
379 |
|
|
380 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
381 |
if (pCk3gix) { |
if (pCk3gix) { |
382 |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
454 |
} |
} |
455 |
|
|
456 |
/** |
/** |
457 |
|
* Make a (semi) deep copy of the Sample object given by @a orig (without |
458 |
|
* the actual waveform data) and assign it to this object. |
459 |
|
* |
460 |
|
* Discussion: copying .gig samples is a bit tricky. It requires three |
461 |
|
* steps: |
462 |
|
* 1. Copy sample's meta informations (done by CopyAssignMeta()) including |
463 |
|
* its new sample waveform data size. |
464 |
|
* 2. Saving the file (done by File::Save()) so that it gains correct size |
465 |
|
* and layout for writing the actual wave form data directly to disc |
466 |
|
* in next step. |
467 |
|
* 3. Copy the waveform data with disk streaming (done by CopyAssignWave()). |
468 |
|
* |
469 |
|
* @param orig - original Sample object to be copied from |
470 |
|
*/ |
471 |
|
void Sample::CopyAssignMeta(const Sample* orig) { |
472 |
|
// handle base classes |
473 |
|
DLS::Sample::CopyAssignCore(orig); |
474 |
|
|
475 |
|
// handle actual own attributes of this class |
476 |
|
Manufacturer = orig->Manufacturer; |
477 |
|
Product = orig->Product; |
478 |
|
SamplePeriod = orig->SamplePeriod; |
479 |
|
MIDIUnityNote = orig->MIDIUnityNote; |
480 |
|
FineTune = orig->FineTune; |
481 |
|
SMPTEFormat = orig->SMPTEFormat; |
482 |
|
SMPTEOffset = orig->SMPTEOffset; |
483 |
|
Loops = orig->Loops; |
484 |
|
LoopID = orig->LoopID; |
485 |
|
LoopType = orig->LoopType; |
486 |
|
LoopStart = orig->LoopStart; |
487 |
|
LoopEnd = orig->LoopEnd; |
488 |
|
LoopSize = orig->LoopSize; |
489 |
|
LoopFraction = orig->LoopFraction; |
490 |
|
LoopPlayCount = orig->LoopPlayCount; |
491 |
|
|
492 |
|
// schedule resizing this sample to the given sample's size |
493 |
|
Resize(orig->GetSize()); |
494 |
|
} |
495 |
|
|
496 |
|
/** |
497 |
|
* Should be called after CopyAssignMeta() and File::Save() sequence. |
498 |
|
* Read more about it in the discussion of CopyAssignMeta(). This method |
499 |
|
* copies the actual waveform data by disk streaming. |
500 |
|
* |
501 |
|
* @e CAUTION: this method is currently not thread safe! During this |
502 |
|
* operation the sample must not be used for other purposes by other |
503 |
|
* threads! |
504 |
|
* |
505 |
|
* @param orig - original Sample object to be copied from |
506 |
|
*/ |
507 |
|
void Sample::CopyAssignWave(const Sample* orig) { |
508 |
|
const int iReadAtOnce = 32*1024; |
509 |
|
char* buf = new char[iReadAtOnce * orig->FrameSize]; |
510 |
|
Sample* pOrig = (Sample*) orig; //HACK: remove constness for now |
511 |
|
unsigned long restorePos = pOrig->GetPos(); |
512 |
|
pOrig->SetPos(0); |
513 |
|
SetPos(0); |
514 |
|
for (unsigned long n = pOrig->Read(buf, iReadAtOnce); n; |
515 |
|
n = pOrig->Read(buf, iReadAtOnce)) |
516 |
|
{ |
517 |
|
Write(buf, n); |
518 |
|
} |
519 |
|
pOrig->SetPos(restorePos); |
520 |
|
delete [] buf; |
521 |
|
} |
522 |
|
|
523 |
|
/** |
524 |
* Apply sample and its settings to the respective RIFF chunks. You have |
* Apply sample and its settings to the respective RIFF chunks. You have |
525 |
* to call File::Save() to make changes persistent. |
* to call File::Save() to make changes persistent. |
526 |
* |
* |
744 |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
745 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
746 |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
747 |
|
SetPos(0); // reset read position to begin of sample |
748 |
RAMCache.pStart = new int8_t[allocationsize]; |
RAMCache.pStart = new int8_t[allocationsize]; |
749 |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
750 |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
782 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
783 |
RAMCache.pStart = NULL; |
RAMCache.pStart = NULL; |
784 |
RAMCache.Size = 0; |
RAMCache.Size = 0; |
785 |
|
RAMCache.NullExtensionSize = 0; |
786 |
} |
} |
787 |
|
|
788 |
/** @brief Resize sample. |
/** @brief Resize sample. |
875 |
/** |
/** |
876 |
* Returns the current position in the sample (in sample points). |
* Returns the current position in the sample (in sample points). |
877 |
*/ |
*/ |
878 |
unsigned long Sample::GetPos() { |
unsigned long Sample::GetPos() const { |
879 |
if (Compressed) return SamplePos; |
if (Compressed) return SamplePos; |
880 |
else return pCkData->GetPos() / FrameSize; |
else return pCkData->GetPos() / FrameSize; |
881 |
} |
} |
977 |
} |
} |
978 |
|
|
979 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
980 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
if (totalreadsamples > swapareastart) //FIXME: this if() is just a crash workaround for now (#102), but totalreadsamples <= swapareastart should never be the case, so there's probably still a bug above! |
981 |
|
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
982 |
} |
} |
983 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
984 |
break; |
break; |
1284 |
// if this is the first write in this sample, reset the |
// if this is the first write in this sample, reset the |
1285 |
// checksum calculator |
// checksum calculator |
1286 |
if (pCkData->GetPos() == 0) { |
if (pCkData->GetPos() == 0) { |
1287 |
crc.reset(); |
__resetCRC(crc); |
1288 |
} |
} |
1289 |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1290 |
unsigned long res; |
unsigned long res; |
1294 |
res = Channels == 2 ? pCkData->Write(pBuffer, SampleCount << 1, 2) >> 1 |
res = Channels == 2 ? pCkData->Write(pBuffer, SampleCount << 1, 2) >> 1 |
1295 |
: pCkData->Write(pBuffer, SampleCount, 2); |
: pCkData->Write(pBuffer, SampleCount, 2); |
1296 |
} |
} |
1297 |
crc.update((unsigned char *)pBuffer, SampleCount * FrameSize); |
__calculateCRC((unsigned char *)pBuffer, SampleCount * FrameSize, crc); |
1298 |
|
|
1299 |
// if this is the last write, update the checksum chunk in the |
// if this is the last write, update the checksum chunk in the |
1300 |
// file |
// file |
1301 |
if (pCkData->GetPos() == pCkData->GetSize()) { |
if (pCkData->GetPos() == pCkData->GetSize()) { |
1302 |
File* pFile = static_cast<File*>(GetParent()); |
File* pFile = static_cast<File*>(GetParent()); |
1303 |
pFile->SetSampleChecksum(this, crc.getValue()); |
pFile->SetSampleChecksum(this, __encodeCRC(crc)); |
1304 |
} |
} |
1305 |
return res; |
return res; |
1306 |
} |
} |
1378 |
uint DimensionRegion::Instances = 0; |
uint DimensionRegion::Instances = 0; |
1379 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1380 |
|
|
1381 |
DimensionRegion::DimensionRegion(RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1382 |
Instances++; |
Instances++; |
1383 |
|
|
1384 |
pSample = NULL; |
pSample = NULL; |
1385 |
|
pRegion = pParent; |
1386 |
|
|
1387 |
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
1388 |
else memset(&Crossfade, 0, 4); |
else memset(&Crossfade, 0, 4); |
1500 |
: vcf_res_ctrl_none; |
: vcf_res_ctrl_none; |
1501 |
uint16_t eg3depth = _3ewa->ReadUint16(); |
uint16_t eg3depth = _3ewa->ReadUint16(); |
1502 |
EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */ |
EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */ |
1503 |
: (-1) * (int16_t) ((eg3depth ^ 0xffff) + 1); /* binary complementary for negatives */ |
: (-1) * (int16_t) ((eg3depth ^ 0xfff) + 1); /* binary complementary for negatives */ |
1504 |
_3ewa->ReadInt16(); // unknown |
_3ewa->ReadInt16(); // unknown |
1505 |
ChannelOffset = _3ewa->ReadUint8() / 4; |
ChannelOffset = _3ewa->ReadUint8() / 4; |
1506 |
uint8_t regoptions = _3ewa->ReadUint8(); |
uint8_t regoptions = _3ewa->ReadUint8(); |
1628 |
VelocityResponseDepth, |
VelocityResponseDepth, |
1629 |
VelocityResponseCurveScaling); |
VelocityResponseCurveScaling); |
1630 |
|
|
1631 |
curve_type_t curveType = ReleaseVelocityResponseCurve; |
pVelocityReleaseTable = GetReleaseVelocityTable( |
1632 |
uint8_t depth = ReleaseVelocityResponseDepth; |
ReleaseVelocityResponseCurve, |
1633 |
|
ReleaseVelocityResponseDepth |
1634 |
|
); |
1635 |
|
|
1636 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, |
1637 |
|
VCFVelocityDynamicRange, |
1638 |
|
VCFVelocityScale, |
1639 |
|
VCFCutoffController); |
1640 |
|
|
1641 |
// this models a strange behaviour or bug in GSt: two of the |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1642 |
// velocity response curves for release time are not used even |
VelocityTable = 0; |
1643 |
// if specified, instead another curve is chosen. |
} |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
|
|
(curveType == curve_type_special && depth == 4)) { |
|
|
curveType = curve_type_nonlinear; |
|
|
depth = 3; |
|
|
} |
|
|
pVelocityReleaseTable = GetVelocityTable(curveType, depth, 0); |
|
1644 |
|
|
1645 |
curveType = VCFVelocityCurve; |
/* |
1646 |
depth = VCFVelocityDynamicRange; |
* Constructs a DimensionRegion by copying all parameters from |
1647 |
|
* another DimensionRegion |
1648 |
|
*/ |
1649 |
|
DimensionRegion::DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src) : DLS::Sampler(_3ewl) { |
1650 |
|
Instances++; |
1651 |
|
//NOTE: I think we cannot call CopyAssign() here (in a constructor) as long as its a virtual method |
1652 |
|
*this = src; // default memberwise shallow copy of all parameters |
1653 |
|
pParentList = _3ewl; // restore the chunk pointer |
1654 |
|
|
1655 |
|
// deep copy of owned structures |
1656 |
|
if (src.VelocityTable) { |
1657 |
|
VelocityTable = new uint8_t[128]; |
1658 |
|
for (int k = 0 ; k < 128 ; k++) |
1659 |
|
VelocityTable[k] = src.VelocityTable[k]; |
1660 |
|
} |
1661 |
|
if (src.pSampleLoops) { |
1662 |
|
pSampleLoops = new DLS::sample_loop_t[src.SampleLoops]; |
1663 |
|
for (int k = 0 ; k < src.SampleLoops ; k++) |
1664 |
|
pSampleLoops[k] = src.pSampleLoops[k]; |
1665 |
|
} |
1666 |
|
} |
1667 |
|
|
1668 |
|
/** |
1669 |
|
* Make a (semi) deep copy of the DimensionRegion object given by @a orig |
1670 |
|
* and assign it to this object. |
1671 |
|
* |
1672 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
1673 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
1674 |
|
* |
1675 |
|
* @param orig - original DimensionRegion object to be copied from |
1676 |
|
*/ |
1677 |
|
void DimensionRegion::CopyAssign(const DimensionRegion* orig) { |
1678 |
|
CopyAssign(orig, NULL); |
1679 |
|
} |
1680 |
|
|
1681 |
// even stranger GSt: two of the velocity response curves for |
/** |
1682 |
// filter cutoff are not used, instead another special curve |
* Make a (semi) deep copy of the DimensionRegion object given by @a orig |
1683 |
// is chosen. This curve is not used anywhere else. |
* and assign it to this object. |
1684 |
if ((curveType == curve_type_nonlinear && depth == 0) || |
* |
1685 |
(curveType == curve_type_special && depth == 4)) { |
* @param orig - original DimensionRegion object to be copied from |
1686 |
curveType = curve_type_special; |
* @param mSamples - crosslink map between the foreign file's samples and |
1687 |
depth = 5; |
* this file's samples |
1688 |
|
*/ |
1689 |
|
void DimensionRegion::CopyAssign(const DimensionRegion* orig, const std::map<Sample*,Sample*>* mSamples) { |
1690 |
|
// delete all allocated data first |
1691 |
|
if (VelocityTable) delete [] VelocityTable; |
1692 |
|
if (pSampleLoops) delete [] pSampleLoops; |
1693 |
|
|
1694 |
|
// backup parent list pointer |
1695 |
|
RIFF::List* p = pParentList; |
1696 |
|
|
1697 |
|
gig::Sample* pOriginalSample = pSample; |
1698 |
|
gig::Region* pOriginalRegion = pRegion; |
1699 |
|
|
1700 |
|
//NOTE: copy code copied from assignment constructor above, see comment there as well |
1701 |
|
|
1702 |
|
*this = *orig; // default memberwise shallow copy of all parameters |
1703 |
|
pParentList = p; // restore the chunk pointer |
1704 |
|
|
1705 |
|
// only take the raw sample reference & parent region reference if the |
1706 |
|
// two DimensionRegion objects are part of the same file |
1707 |
|
if (pOriginalRegion->GetParent()->GetParent() != orig->pRegion->GetParent()->GetParent()) { |
1708 |
|
pRegion = pOriginalRegion; |
1709 |
|
pSample = pOriginalSample; |
1710 |
|
} |
1711 |
|
|
1712 |
|
if (mSamples && mSamples->count(orig->pSample)) { |
1713 |
|
pSample = mSamples->find(orig->pSample)->second; |
1714 |
|
} |
1715 |
|
|
1716 |
|
// deep copy of owned structures |
1717 |
|
if (orig->VelocityTable) { |
1718 |
|
VelocityTable = new uint8_t[128]; |
1719 |
|
for (int k = 0 ; k < 128 ; k++) |
1720 |
|
VelocityTable[k] = orig->VelocityTable[k]; |
1721 |
|
} |
1722 |
|
if (orig->pSampleLoops) { |
1723 |
|
pSampleLoops = new DLS::sample_loop_t[orig->SampleLoops]; |
1724 |
|
for (int k = 0 ; k < orig->SampleLoops ; k++) |
1725 |
|
pSampleLoops[k] = orig->pSampleLoops[k]; |
1726 |
} |
} |
1727 |
pVelocityCutoffTable = GetVelocityTable(curveType, depth, |
} |
|
VCFCutoffController <= vcf_cutoff_ctrl_none2 ? VCFVelocityScale : 0); |
|
1728 |
|
|
1729 |
|
/** |
1730 |
|
* Updates the respective member variable and updates @c SampleAttenuation |
1731 |
|
* which depends on this value. |
1732 |
|
*/ |
1733 |
|
void DimensionRegion::SetGain(int32_t gain) { |
1734 |
|
DLS::Sampler::SetGain(gain); |
1735 |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
|
VelocityTable = 0; |
|
1736 |
} |
} |
1737 |
|
|
1738 |
/** |
/** |
1743 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
1744 |
*/ |
*/ |
1745 |
void DimensionRegion::UpdateChunks() { |
void DimensionRegion::UpdateChunks() { |
|
// check if wsmp is going to be created by |
|
|
// DLS::Sampler::UpdateChunks |
|
|
bool wsmp_created = !pParentList->GetSubChunk(CHUNK_ID_WSMP); |
|
|
|
|
1746 |
// first update base class's chunk |
// first update base class's chunk |
1747 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(); |
1748 |
|
|
1755 |
|
|
1756 |
// make sure '3ewa' chunk exists |
// make sure '3ewa' chunk exists |
1757 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1758 |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
if (!_3ewa) { |
1759 |
else if (wsmp_created) { |
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
1760 |
// make sure the chunk order is: wsmp, 3ewa |
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
1761 |
pParentList->MoveSubChunk(_3ewa, 0); |
_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
1762 |
} |
} |
1763 |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
1764 |
|
|
1806 |
pData[44] = eg1ctl; |
pData[44] = eg1ctl; |
1807 |
|
|
1808 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1809 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert ? 0x01 : 0x00) | |
1810 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1811 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1812 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1816 |
pData[46] = eg2ctl; |
pData[46] = eg2ctl; |
1817 |
|
|
1818 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1819 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert ? 0x01 : 0x00) | |
1820 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1821 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1822 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1966 |
} |
} |
1967 |
|
|
1968 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1969 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xfff); /* binary complementary for negatives */ |
1970 |
pData[116] = eg3depth; |
store16(&pData[116], eg3depth); |
1971 |
|
|
1972 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1973 |
|
|
1994 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1995 |
pData[131] = eg1hold; |
pData[131] = eg1hold; |
1996 |
|
|
1997 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled ? 0x80 : 0x00) | /* bit 7 */ |
1998 |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1999 |
pData[132] = vcfcutoff; |
pData[132] = vcfcutoff; |
2000 |
|
|
2001 |
pData[133] = VCFCutoffController; |
pData[133] = VCFCutoffController; |
2002 |
|
|
2003 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert ? 0x80 : 0x00) | /* bit 7 */ |
2004 |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
2005 |
pData[134] = vcfvelscale; |
pData[134] = vcfvelscale; |
2006 |
|
|
2007 |
// next byte unknown |
// next byte unknown |
2008 |
|
|
2009 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic ? 0x00 : 0x80) | /* bit 7 */ |
2010 |
(VCFResonance & 0x7f); /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
2011 |
pData[136] = vcfresonance; |
pData[136] = vcfresonance; |
2012 |
|
|
2013 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking ? 0x80 : 0x00) | /* bit 7 */ |
2014 |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
2015 |
pData[137] = vcfbreakpoint; |
pData[137] = vcfbreakpoint; |
2016 |
|
|
2017 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 + |
2018 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
2019 |
pData[138] = vcfvelocity; |
pData[138] = vcfvelocity; |
2020 |
|
|
2026 |
} |
} |
2027 |
} |
} |
2028 |
|
|
2029 |
|
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
2030 |
|
curve_type_t curveType = releaseVelocityResponseCurve; |
2031 |
|
uint8_t depth = releaseVelocityResponseDepth; |
2032 |
|
// this models a strange behaviour or bug in GSt: two of the |
2033 |
|
// velocity response curves for release time are not used even |
2034 |
|
// if specified, instead another curve is chosen. |
2035 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
2036 |
|
(curveType == curve_type_special && depth == 4)) { |
2037 |
|
curveType = curve_type_nonlinear; |
2038 |
|
depth = 3; |
2039 |
|
} |
2040 |
|
return GetVelocityTable(curveType, depth, 0); |
2041 |
|
} |
2042 |
|
|
2043 |
|
double* DimensionRegion::GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, |
2044 |
|
uint8_t vcfVelocityDynamicRange, |
2045 |
|
uint8_t vcfVelocityScale, |
2046 |
|
vcf_cutoff_ctrl_t vcfCutoffController) |
2047 |
|
{ |
2048 |
|
curve_type_t curveType = vcfVelocityCurve; |
2049 |
|
uint8_t depth = vcfVelocityDynamicRange; |
2050 |
|
// even stranger GSt: two of the velocity response curves for |
2051 |
|
// filter cutoff are not used, instead another special curve |
2052 |
|
// is chosen. This curve is not used anywhere else. |
2053 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
2054 |
|
(curveType == curve_type_special && depth == 4)) { |
2055 |
|
curveType = curve_type_special; |
2056 |
|
depth = 5; |
2057 |
|
} |
2058 |
|
return GetVelocityTable(curveType, depth, |
2059 |
|
(vcfCutoffController <= vcf_cutoff_ctrl_none2) |
2060 |
|
? vcfVelocityScale : 0); |
2061 |
|
} |
2062 |
|
|
2063 |
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
2064 |
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
2065 |
{ |
{ |
2075 |
return table; |
return table; |
2076 |
} |
} |
2077 |
|
|
2078 |
|
Region* DimensionRegion::GetParent() const { |
2079 |
|
return pRegion; |
2080 |
|
} |
2081 |
|
|
2082 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
2083 |
leverage_ctrl_t decodedcontroller; |
leverage_ctrl_t decodedcontroller; |
2084 |
switch (EncodedController) { |
switch (EncodedController) { |
2332 |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
2333 |
} |
} |
2334 |
|
|
2335 |
|
/** |
2336 |
|
* Updates the respective member variable and the lookup table / cache |
2337 |
|
* that depends on this value. |
2338 |
|
*/ |
2339 |
|
void DimensionRegion::SetVelocityResponseCurve(curve_type_t curve) { |
2340 |
|
pVelocityAttenuationTable = |
2341 |
|
GetVelocityTable( |
2342 |
|
curve, VelocityResponseDepth, VelocityResponseCurveScaling |
2343 |
|
); |
2344 |
|
VelocityResponseCurve = curve; |
2345 |
|
} |
2346 |
|
|
2347 |
|
/** |
2348 |
|
* Updates the respective member variable and the lookup table / cache |
2349 |
|
* that depends on this value. |
2350 |
|
*/ |
2351 |
|
void DimensionRegion::SetVelocityResponseDepth(uint8_t depth) { |
2352 |
|
pVelocityAttenuationTable = |
2353 |
|
GetVelocityTable( |
2354 |
|
VelocityResponseCurve, depth, VelocityResponseCurveScaling |
2355 |
|
); |
2356 |
|
VelocityResponseDepth = depth; |
2357 |
|
} |
2358 |
|
|
2359 |
|
/** |
2360 |
|
* Updates the respective member variable and the lookup table / cache |
2361 |
|
* that depends on this value. |
2362 |
|
*/ |
2363 |
|
void DimensionRegion::SetVelocityResponseCurveScaling(uint8_t scaling) { |
2364 |
|
pVelocityAttenuationTable = |
2365 |
|
GetVelocityTable( |
2366 |
|
VelocityResponseCurve, VelocityResponseDepth, scaling |
2367 |
|
); |
2368 |
|
VelocityResponseCurveScaling = scaling; |
2369 |
|
} |
2370 |
|
|
2371 |
|
/** |
2372 |
|
* Updates the respective member variable and the lookup table / cache |
2373 |
|
* that depends on this value. |
2374 |
|
*/ |
2375 |
|
void DimensionRegion::SetReleaseVelocityResponseCurve(curve_type_t curve) { |
2376 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(curve, ReleaseVelocityResponseDepth); |
2377 |
|
ReleaseVelocityResponseCurve = curve; |
2378 |
|
} |
2379 |
|
|
2380 |
|
/** |
2381 |
|
* Updates the respective member variable and the lookup table / cache |
2382 |
|
* that depends on this value. |
2383 |
|
*/ |
2384 |
|
void DimensionRegion::SetReleaseVelocityResponseDepth(uint8_t depth) { |
2385 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(ReleaseVelocityResponseCurve, depth); |
2386 |
|
ReleaseVelocityResponseDepth = depth; |
2387 |
|
} |
2388 |
|
|
2389 |
|
/** |
2390 |
|
* Updates the respective member variable and the lookup table / cache |
2391 |
|
* that depends on this value. |
2392 |
|
*/ |
2393 |
|
void DimensionRegion::SetVCFCutoffController(vcf_cutoff_ctrl_t controller) { |
2394 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, VCFVelocityScale, controller); |
2395 |
|
VCFCutoffController = controller; |
2396 |
|
} |
2397 |
|
|
2398 |
|
/** |
2399 |
|
* Updates the respective member variable and the lookup table / cache |
2400 |
|
* that depends on this value. |
2401 |
|
*/ |
2402 |
|
void DimensionRegion::SetVCFVelocityCurve(curve_type_t curve) { |
2403 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(curve, VCFVelocityDynamicRange, VCFVelocityScale, VCFCutoffController); |
2404 |
|
VCFVelocityCurve = curve; |
2405 |
|
} |
2406 |
|
|
2407 |
|
/** |
2408 |
|
* Updates the respective member variable and the lookup table / cache |
2409 |
|
* that depends on this value. |
2410 |
|
*/ |
2411 |
|
void DimensionRegion::SetVCFVelocityDynamicRange(uint8_t range) { |
2412 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, range, VCFVelocityScale, VCFCutoffController); |
2413 |
|
VCFVelocityDynamicRange = range; |
2414 |
|
} |
2415 |
|
|
2416 |
|
/** |
2417 |
|
* Updates the respective member variable and the lookup table / cache |
2418 |
|
* that depends on this value. |
2419 |
|
*/ |
2420 |
|
void DimensionRegion::SetVCFVelocityScale(uint8_t scaling) { |
2421 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, scaling, VCFCutoffController); |
2422 |
|
VCFVelocityScale = scaling; |
2423 |
|
} |
2424 |
|
|
2425 |
double* DimensionRegion::CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) { |
double* DimensionRegion::CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) { |
2426 |
|
|
2427 |
// line-segment approximations of the 15 velocity curves |
// line-segment approximations of the 15 velocity curves |
2505 |
|
|
2506 |
// Actual Loading |
// Actual Loading |
2507 |
|
|
2508 |
|
if (!file->GetAutoLoad()) return; |
2509 |
|
|
2510 |
LoadDimensionRegions(rgnList); |
LoadDimensionRegions(rgnList); |
2511 |
|
|
2512 |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
2550 |
else |
else |
2551 |
_3lnk->SetPos(44); |
_3lnk->SetPos(44); |
2552 |
|
|
2553 |
// load sample references |
// load sample references (if auto loading is enabled) |
2554 |
for (uint i = 0; i < DimensionRegions; i++) { |
if (file->GetAutoLoad()) { |
2555 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
for (uint i = 0; i < DimensionRegions; i++) { |
2556 |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2557 |
|
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2558 |
|
} |
2559 |
|
GetSample(); // load global region sample reference |
2560 |
} |
} |
|
GetSample(); // load global region sample reference |
|
2561 |
} else { |
} else { |
2562 |
DimensionRegions = 0; |
DimensionRegions = 0; |
2563 |
for (int i = 0 ; i < 8 ; i++) { |
for (int i = 0 ; i < 8 ; i++) { |
2572 |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
2573 |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
2574 |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
2575 |
pDimensionRegions[0] = new DimensionRegion(_3ewl); |
pDimensionRegions[0] = new DimensionRegion(this, _3ewl); |
2576 |
DimensionRegions = 1; |
DimensionRegions = 1; |
2577 |
} |
} |
2578 |
} |
} |
2596 |
// first update base class's chunks |
// first update base class's chunks |
2597 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2598 |
|
|
|
File* pFile = (File*) GetParent()->GetParent(); |
|
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
|
|
|
|
2599 |
// update dimension region's chunks |
// update dimension region's chunks |
2600 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
2601 |
DimensionRegion* d = pDimensionRegions[i]; |
pDimensionRegions[i]->UpdateChunks(); |
|
|
|
|
// make sure '3ewa' chunk exists (we need to this before |
|
|
// calling DimensionRegion::UpdateChunks, as |
|
|
// DimensionRegion doesn't know which file version it is) |
|
|
RIFF::Chunk* _3ewa = d->pParentList->GetSubChunk(CHUNK_ID_3EWA); |
|
|
if (!_3ewa) d->pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
|
|
|
|
|
d->UpdateChunks(); |
|
2602 |
} |
} |
2603 |
|
|
2604 |
|
File* pFile = (File*) GetParent()->GetParent(); |
2605 |
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
2606 |
const int iMaxDimensions = version3 ? 8 : 5; |
const int iMaxDimensions = version3 ? 8 : 5; |
2607 |
const int iMaxDimensionRegions = version3 ? 256 : 32; |
const int iMaxDimensionRegions = version3 ? 256 : 32; |
2608 |
|
|
2624 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2625 |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2626 |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2627 |
pData[6 + i * 8] = shift; |
pData[6 + i * 8] = pDimensionDefinitions[i].dimension == dimension_none ? 0 : shift; |
2628 |
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2629 |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2630 |
// next 3 bytes unknown, always zero? |
// next 3 bytes unknown, always zero? |
2646 |
break; |
break; |
2647 |
} |
} |
2648 |
} |
} |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
|
2649 |
} |
} |
2650 |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2651 |
} |
} |
2658 |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
2659 |
while (_3ewl) { |
while (_3ewl) { |
2660 |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
2661 |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(_3ewl); |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(this, _3ewl); |
2662 |
dimensionRegionNr++; |
dimensionRegionNr++; |
2663 |
} |
} |
2664 |
_3ewl = _3prg->GetNextSubList(); |
_3ewl = _3prg->GetNextSubList(); |
2667 |
} |
} |
2668 |
} |
} |
2669 |
|
|
2670 |
|
void Region::SetKeyRange(uint16_t Low, uint16_t High) { |
2671 |
|
// update KeyRange struct and make sure regions are in correct order |
2672 |
|
DLS::Region::SetKeyRange(Low, High); |
2673 |
|
// update Region key table for fast lookup |
2674 |
|
((gig::Instrument*)GetParent())->UpdateRegionKeyTable(); |
2675 |
|
} |
2676 |
|
|
2677 |
void Region::UpdateVelocityTable() { |
void Region::UpdateVelocityTable() { |
2678 |
// get velocity dimension's index |
// get velocity dimension's index |
2679 |
int veldim = -1; |
int veldim = -1; |
2779 |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
2780 |
throw gig::Exception("Could not add new dimension, there is already a dimension of the same type"); |
throw gig::Exception("Could not add new dimension, there is already a dimension of the same type"); |
2781 |
|
|
2782 |
|
// pos is where the new dimension should be placed, normally |
2783 |
|
// last in list, except for the samplechannel dimension which |
2784 |
|
// has to be first in list |
2785 |
|
int pos = pDimDef->dimension == dimension_samplechannel ? 0 : Dimensions; |
2786 |
|
int bitpos = 0; |
2787 |
|
for (int i = 0 ; i < pos ; i++) |
2788 |
|
bitpos += pDimensionDefinitions[i].bits; |
2789 |
|
|
2790 |
|
// make room for the new dimension |
2791 |
|
for (int i = Dimensions ; i > pos ; i--) pDimensionDefinitions[i] = pDimensionDefinitions[i - 1]; |
2792 |
|
for (int i = 0 ; i < (1 << iCurrentBits) ; i++) { |
2793 |
|
for (int j = Dimensions ; j > pos ; j--) { |
2794 |
|
pDimensionRegions[i]->DimensionUpperLimits[j] = |
2795 |
|
pDimensionRegions[i]->DimensionUpperLimits[j - 1]; |
2796 |
|
} |
2797 |
|
} |
2798 |
|
|
2799 |
// assign definition of new dimension |
// assign definition of new dimension |
2800 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[pos] = *pDimDef; |
2801 |
|
|
2802 |
// auto correct certain dimension definition fields (where possible) |
// auto correct certain dimension definition fields (where possible) |
2803 |
pDimensionDefinitions[Dimensions].split_type = |
pDimensionDefinitions[pos].split_type = |
2804 |
__resolveSplitType(pDimensionDefinitions[Dimensions].dimension); |
__resolveSplitType(pDimensionDefinitions[pos].dimension); |
2805 |
pDimensionDefinitions[Dimensions].zone_size = |
pDimensionDefinitions[pos].zone_size = |
2806 |
__resolveZoneSize(pDimensionDefinitions[Dimensions]); |
__resolveZoneSize(pDimensionDefinitions[pos]); |
2807 |
|
|
2808 |
// create new dimension region(s) for this new dimension |
// create new dimension region(s) for this new dimension, and make |
2809 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
// sure that the dimension regions are placed correctly in both the |
2810 |
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
// RIFF list and the pDimensionRegions array |
2811 |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
RIFF::Chunk* moveTo = NULL; |
2812 |
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2813 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
for (int i = (1 << iCurrentBits) - (1 << bitpos) ; i >= 0 ; i -= (1 << bitpos)) { |
2814 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2815 |
// copy the upper limits for the other dimensions |
pDimensionRegions[(i << pDimDef->bits) + k] = pDimensionRegions[i + k]; |
2816 |
memcpy(pDimensionRegions[i]->DimensionUpperLimits, |
} |
2817 |
pDimensionRegions[i & ((1 << iCurrentBits) - 1)]->DimensionUpperLimits, 8); |
for (int j = 1 ; j < (1 << pDimDef->bits) ; j++) { |
2818 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2819 |
|
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2820 |
|
if (moveTo) _3prg->MoveSubChunk(pNewDimRgnListChunk, moveTo); |
2821 |
|
// create a new dimension region and copy all parameter values from |
2822 |
|
// an existing dimension region |
2823 |
|
pDimensionRegions[(i << pDimDef->bits) + (j << bitpos) + k] = |
2824 |
|
new DimensionRegion(pNewDimRgnListChunk, *pDimensionRegions[i + k]); |
2825 |
|
|
2826 |
DimensionRegions++; |
DimensionRegions++; |
2827 |
|
} |
2828 |
|
} |
2829 |
|
moveTo = pDimensionRegions[i]->pParentList; |
2830 |
} |
} |
2831 |
|
|
2832 |
// initialize the upper limits for this dimension |
// initialize the upper limits for this dimension |
2833 |
for (int z = 0, j = 0 ; z < pDimDef->zones ; z++, j += 1 << iCurrentBits) { |
int mask = (1 << bitpos) - 1; |
2834 |
|
for (int z = 0 ; z < pDimDef->zones ; z++) { |
2835 |
uint8_t upperLimit = uint8_t((z + 1) * 128.0 / pDimDef->zones - 1); |
uint8_t upperLimit = uint8_t((z + 1) * 128.0 / pDimDef->zones - 1); |
2836 |
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
2837 |
pDimensionRegions[j + i]->DimensionUpperLimits[Dimensions] = upperLimit; |
pDimensionRegions[((i & ~mask) << pDimDef->bits) | |
2838 |
|
(z << bitpos) | |
2839 |
|
(i & mask)]->DimensionUpperLimits[pos] = upperLimit; |
2840 |
} |
} |
2841 |
} |
} |
2842 |
|
|
3054 |
} |
} |
3055 |
return NULL; |
return NULL; |
3056 |
} |
} |
3057 |
|
|
3058 |
|
/** |
3059 |
|
* Make a (semi) deep copy of the Region object given by @a orig |
3060 |
|
* and assign it to this object. |
3061 |
|
* |
3062 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
3063 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
3064 |
|
* |
3065 |
|
* @param orig - original Region object to be copied from |
3066 |
|
*/ |
3067 |
|
void Region::CopyAssign(const Region* orig) { |
3068 |
|
CopyAssign(orig, NULL); |
3069 |
|
} |
3070 |
|
|
3071 |
|
/** |
3072 |
|
* Make a (semi) deep copy of the Region object given by @a orig and |
3073 |
|
* assign it to this object |
3074 |
|
* |
3075 |
|
* @param mSamples - crosslink map between the foreign file's samples and |
3076 |
|
* this file's samples |
3077 |
|
*/ |
3078 |
|
void Region::CopyAssign(const Region* orig, const std::map<Sample*,Sample*>* mSamples) { |
3079 |
|
// handle base classes |
3080 |
|
DLS::Region::CopyAssign(orig); |
3081 |
|
|
3082 |
|
if (mSamples && mSamples->count((gig::Sample*)orig->pSample)) { |
3083 |
|
pSample = mSamples->find((gig::Sample*)orig->pSample)->second; |
3084 |
|
} |
3085 |
|
|
3086 |
|
// handle own member variables |
3087 |
|
for (int i = Dimensions - 1; i >= 0; --i) { |
3088 |
|
DeleteDimension(&pDimensionDefinitions[i]); |
3089 |
|
} |
3090 |
|
Layers = 0; // just to be sure |
3091 |
|
for (int i = 0; i < orig->Dimensions; i++) { |
3092 |
|
// we need to copy the dim definition here, to avoid the compiler |
3093 |
|
// complaining about const-ness issue |
3094 |
|
dimension_def_t def = orig->pDimensionDefinitions[i]; |
3095 |
|
AddDimension(&def); |
3096 |
|
} |
3097 |
|
for (int i = 0; i < 256; i++) { |
3098 |
|
if (pDimensionRegions[i] && orig->pDimensionRegions[i]) { |
3099 |
|
pDimensionRegions[i]->CopyAssign( |
3100 |
|
orig->pDimensionRegions[i], |
3101 |
|
mSamples |
3102 |
|
); |
3103 |
|
} |
3104 |
|
} |
3105 |
|
Layers = orig->Layers; |
3106 |
|
} |
3107 |
|
|
3108 |
|
|
3109 |
|
// *************** MidiRule *************** |
3110 |
|
// * |
3111 |
|
|
3112 |
|
MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) { |
3113 |
|
_3ewg->SetPos(36); |
3114 |
|
Triggers = _3ewg->ReadUint8(); |
3115 |
|
_3ewg->SetPos(40); |
3116 |
|
ControllerNumber = _3ewg->ReadUint8(); |
3117 |
|
_3ewg->SetPos(46); |
3118 |
|
for (int i = 0 ; i < Triggers ; i++) { |
3119 |
|
pTriggers[i].TriggerPoint = _3ewg->ReadUint8(); |
3120 |
|
pTriggers[i].Descending = _3ewg->ReadUint8(); |
3121 |
|
pTriggers[i].VelSensitivity = _3ewg->ReadUint8(); |
3122 |
|
pTriggers[i].Key = _3ewg->ReadUint8(); |
3123 |
|
pTriggers[i].NoteOff = _3ewg->ReadUint8(); |
3124 |
|
pTriggers[i].Velocity = _3ewg->ReadUint8(); |
3125 |
|
pTriggers[i].OverridePedal = _3ewg->ReadUint8(); |
3126 |
|
_3ewg->ReadUint8(); |
3127 |
|
} |
3128 |
|
} |
3129 |
|
|
3130 |
|
MidiRuleCtrlTrigger::MidiRuleCtrlTrigger() : |
3131 |
|
ControllerNumber(0), |
3132 |
|
Triggers(0) { |
3133 |
|
} |
3134 |
|
|
3135 |
|
void MidiRuleCtrlTrigger::UpdateChunks(uint8_t* pData) const { |
3136 |
|
pData[32] = 4; |
3137 |
|
pData[33] = 16; |
3138 |
|
pData[36] = Triggers; |
3139 |
|
pData[40] = ControllerNumber; |
3140 |
|
for (int i = 0 ; i < Triggers ; i++) { |
3141 |
|
pData[46 + i * 8] = pTriggers[i].TriggerPoint; |
3142 |
|
pData[47 + i * 8] = pTriggers[i].Descending; |
3143 |
|
pData[48 + i * 8] = pTriggers[i].VelSensitivity; |
3144 |
|
pData[49 + i * 8] = pTriggers[i].Key; |
3145 |
|
pData[50 + i * 8] = pTriggers[i].NoteOff; |
3146 |
|
pData[51 + i * 8] = pTriggers[i].Velocity; |
3147 |
|
pData[52 + i * 8] = pTriggers[i].OverridePedal; |
3148 |
|
} |
3149 |
|
} |
3150 |
|
|
3151 |
|
MidiRuleLegato::MidiRuleLegato(RIFF::Chunk* _3ewg) { |
3152 |
|
_3ewg->SetPos(36); |
3153 |
|
LegatoSamples = _3ewg->ReadUint8(); // always 12 |
3154 |
|
_3ewg->SetPos(40); |
3155 |
|
BypassUseController = _3ewg->ReadUint8(); |
3156 |
|
BypassKey = _3ewg->ReadUint8(); |
3157 |
|
BypassController = _3ewg->ReadUint8(); |
3158 |
|
ThresholdTime = _3ewg->ReadUint16(); |
3159 |
|
_3ewg->ReadInt16(); |
3160 |
|
ReleaseTime = _3ewg->ReadUint16(); |
3161 |
|
_3ewg->ReadInt16(); |
3162 |
|
KeyRange.low = _3ewg->ReadUint8(); |
3163 |
|
KeyRange.high = _3ewg->ReadUint8(); |
3164 |
|
_3ewg->SetPos(64); |
3165 |
|
ReleaseTriggerKey = _3ewg->ReadUint8(); |
3166 |
|
AltSustain1Key = _3ewg->ReadUint8(); |
3167 |
|
AltSustain2Key = _3ewg->ReadUint8(); |
3168 |
|
} |
3169 |
|
|
3170 |
|
MidiRuleLegato::MidiRuleLegato() : |
3171 |
|
LegatoSamples(12), |
3172 |
|
BypassUseController(false), |
3173 |
|
BypassKey(0), |
3174 |
|
BypassController(1), |
3175 |
|
ThresholdTime(20), |
3176 |
|
ReleaseTime(20), |
3177 |
|
ReleaseTriggerKey(0), |
3178 |
|
AltSustain1Key(0), |
3179 |
|
AltSustain2Key(0) |
3180 |
|
{ |
3181 |
|
KeyRange.low = KeyRange.high = 0; |
3182 |
|
} |
3183 |
|
|
3184 |
|
void MidiRuleLegato::UpdateChunks(uint8_t* pData) const { |
3185 |
|
pData[32] = 0; |
3186 |
|
pData[33] = 16; |
3187 |
|
pData[36] = LegatoSamples; |
3188 |
|
pData[40] = BypassUseController; |
3189 |
|
pData[41] = BypassKey; |
3190 |
|
pData[42] = BypassController; |
3191 |
|
store16(&pData[43], ThresholdTime); |
3192 |
|
store16(&pData[47], ReleaseTime); |
3193 |
|
pData[51] = KeyRange.low; |
3194 |
|
pData[52] = KeyRange.high; |
3195 |
|
pData[64] = ReleaseTriggerKey; |
3196 |
|
pData[65] = AltSustain1Key; |
3197 |
|
pData[66] = AltSustain2Key; |
3198 |
|
} |
3199 |
|
|
3200 |
|
MidiRuleAlternator::MidiRuleAlternator(RIFF::Chunk* _3ewg) { |
3201 |
|
_3ewg->SetPos(36); |
3202 |
|
Articulations = _3ewg->ReadUint8(); |
3203 |
|
int flags = _3ewg->ReadUint8(); |
3204 |
|
Polyphonic = flags & 8; |
3205 |
|
Chained = flags & 4; |
3206 |
|
Selector = (flags & 2) ? selector_controller : |
3207 |
|
(flags & 1) ? selector_key_switch : selector_none; |
3208 |
|
Patterns = _3ewg->ReadUint8(); |
3209 |
|
_3ewg->ReadUint8(); // chosen row |
3210 |
|
_3ewg->ReadUint8(); // unknown |
3211 |
|
_3ewg->ReadUint8(); // unknown |
3212 |
|
_3ewg->ReadUint8(); // unknown |
3213 |
|
KeySwitchRange.low = _3ewg->ReadUint8(); |
3214 |
|
KeySwitchRange.high = _3ewg->ReadUint8(); |
3215 |
|
Controller = _3ewg->ReadUint8(); |
3216 |
|
PlayRange.low = _3ewg->ReadUint8(); |
3217 |
|
PlayRange.high = _3ewg->ReadUint8(); |
3218 |
|
|
3219 |
|
int n = std::min(int(Articulations), 32); |
3220 |
|
for (int i = 0 ; i < n ; i++) { |
3221 |
|
_3ewg->ReadString(pArticulations[i], 32); |
3222 |
|
} |
3223 |
|
_3ewg->SetPos(1072); |
3224 |
|
n = std::min(int(Patterns), 32); |
3225 |
|
for (int i = 0 ; i < n ; i++) { |
3226 |
|
_3ewg->ReadString(pPatterns[i].Name, 16); |
3227 |
|
pPatterns[i].Size = _3ewg->ReadUint8(); |
3228 |
|
_3ewg->Read(&pPatterns[i][0], 1, 32); |
3229 |
|
} |
3230 |
|
} |
3231 |
|
|
3232 |
|
MidiRuleAlternator::MidiRuleAlternator() : |
3233 |
|
Articulations(0), |
3234 |
|
Patterns(0), |
3235 |
|
Selector(selector_none), |
3236 |
|
Controller(0), |
3237 |
|
Polyphonic(false), |
3238 |
|
Chained(false) |
3239 |
|
{ |
3240 |
|
PlayRange.low = PlayRange.high = 0; |
3241 |
|
KeySwitchRange.low = KeySwitchRange.high = 0; |
3242 |
|
} |
3243 |
|
|
3244 |
|
void MidiRuleAlternator::UpdateChunks(uint8_t* pData) const { |
3245 |
|
pData[32] = 3; |
3246 |
|
pData[33] = 16; |
3247 |
|
pData[36] = Articulations; |
3248 |
|
pData[37] = (Polyphonic ? 8 : 0) | (Chained ? 4 : 0) | |
3249 |
|
(Selector == selector_controller ? 2 : |
3250 |
|
(Selector == selector_key_switch ? 1 : 0)); |
3251 |
|
pData[38] = Patterns; |
3252 |
|
|
3253 |
|
pData[43] = KeySwitchRange.low; |
3254 |
|
pData[44] = KeySwitchRange.high; |
3255 |
|
pData[45] = Controller; |
3256 |
|
pData[46] = PlayRange.low; |
3257 |
|
pData[47] = PlayRange.high; |
3258 |
|
|
3259 |
|
char* str = reinterpret_cast<char*>(pData); |
3260 |
|
int pos = 48; |
3261 |
|
int n = std::min(int(Articulations), 32); |
3262 |
|
for (int i = 0 ; i < n ; i++, pos += 32) { |
3263 |
|
strncpy(&str[pos], pArticulations[i].c_str(), 32); |
3264 |
|
} |
3265 |
|
|
3266 |
|
pos = 1072; |
3267 |
|
n = std::min(int(Patterns), 32); |
3268 |
|
for (int i = 0 ; i < n ; i++, pos += 49) { |
3269 |
|
strncpy(&str[pos], pPatterns[i].Name.c_str(), 16); |
3270 |
|
pData[pos + 16] = pPatterns[i].Size; |
3271 |
|
memcpy(&pData[pos + 16], &(pPatterns[i][0]), 32); |
3272 |
|
} |
3273 |
|
} |
3274 |
|
|
3275 |
// *************** Instrument *************** |
// *************** Instrument *************** |
3276 |
// * |
// * |
3277 |
|
|
3278 |
Instrument::Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress) : DLS::Instrument((DLS::File*)pFile, insList) { |
Instrument::Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress) : DLS::Instrument((DLS::File*)pFile, insList) { |
3279 |
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
3280 |
{ CHUNK_ID_INAM, 64 }, |
{ CHUNK_ID_INAM, 64 }, |
3281 |
{ CHUNK_ID_ISFT, 12 }, |
{ CHUNK_ID_ISFT, 12 }, |
3282 |
{ 0, 0 } |
{ 0, 0 } |
3283 |
}; |
}; |
3284 |
pInfo->FixedStringLengths = fixedStringLengths; |
pInfo->SetFixedStringLengths(fixedStringLengths); |
3285 |
|
|
3286 |
// Initialization |
// Initialization |
3287 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
3292 |
PianoReleaseMode = false; |
PianoReleaseMode = false; |
3293 |
DimensionKeyRange.low = 0; |
DimensionKeyRange.low = 0; |
3294 |
DimensionKeyRange.high = 0; |
DimensionKeyRange.high = 0; |
3295 |
|
pMidiRules = new MidiRule*[3]; |
3296 |
|
pMidiRules[0] = NULL; |
3297 |
|
|
3298 |
// Loading |
// Loading |
3299 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
3308 |
PianoReleaseMode = dimkeystart & 0x01; |
PianoReleaseMode = dimkeystart & 0x01; |
3309 |
DimensionKeyRange.low = dimkeystart >> 1; |
DimensionKeyRange.low = dimkeystart >> 1; |
3310 |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
3311 |
|
|
3312 |
|
if (_3ewg->GetSize() > 32) { |
3313 |
|
// read MIDI rules |
3314 |
|
int i = 0; |
3315 |
|
_3ewg->SetPos(32); |
3316 |
|
uint8_t id1 = _3ewg->ReadUint8(); |
3317 |
|
uint8_t id2 = _3ewg->ReadUint8(); |
3318 |
|
|
3319 |
|
if (id2 == 16) { |
3320 |
|
if (id1 == 4) { |
3321 |
|
pMidiRules[i++] = new MidiRuleCtrlTrigger(_3ewg); |
3322 |
|
} else if (id1 == 0) { |
3323 |
|
pMidiRules[i++] = new MidiRuleLegato(_3ewg); |
3324 |
|
} else if (id1 == 3) { |
3325 |
|
pMidiRules[i++] = new MidiRuleAlternator(_3ewg); |
3326 |
|
} else { |
3327 |
|
pMidiRules[i++] = new MidiRuleUnknown; |
3328 |
|
} |
3329 |
|
} |
3330 |
|
else if (id1 != 0 || id2 != 0) { |
3331 |
|
pMidiRules[i++] = new MidiRuleUnknown; |
3332 |
|
} |
3333 |
|
//TODO: all the other types of rules |
3334 |
|
|
3335 |
|
pMidiRules[i] = NULL; |
3336 |
|
} |
3337 |
} |
} |
3338 |
} |
} |
3339 |
|
|
3340 |
if (!pRegions) pRegions = new RegionList; |
if (pFile->GetAutoLoad()) { |
3341 |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
if (!pRegions) pRegions = new RegionList; |
3342 |
if (lrgn) { |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
3343 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
if (lrgn) { |
3344 |
while (rgn) { |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
3345 |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
while (rgn) { |
3346 |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
3347 |
pRegions->push_back(new Region(this, rgn)); |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
3348 |
|
pRegions->push_back(new Region(this, rgn)); |
3349 |
|
} |
3350 |
|
rgn = lrgn->GetNextSubList(); |
3351 |
} |
} |
3352 |
rgn = lrgn->GetNextSubList(); |
// Creating Region Key Table for fast lookup |
3353 |
|
UpdateRegionKeyTable(); |
3354 |
} |
} |
|
// Creating Region Key Table for fast lookup |
|
|
UpdateRegionKeyTable(); |
|
3355 |
} |
} |
3356 |
|
|
3357 |
__notify_progress(pProgress, 1.0f); // notify done |
__notify_progress(pProgress, 1.0f); // notify done |
3358 |
} |
} |
3359 |
|
|
3360 |
void Instrument::UpdateRegionKeyTable() { |
void Instrument::UpdateRegionKeyTable() { |
3361 |
|
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
3362 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
3363 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
3364 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
3370 |
} |
} |
3371 |
|
|
3372 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
3373 |
|
for (int i = 0 ; pMidiRules[i] ; i++) { |
3374 |
|
delete pMidiRules[i]; |
3375 |
|
} |
3376 |
|
delete[] pMidiRules; |
3377 |
} |
} |
3378 |
|
|
3379 |
/** |
/** |
3416 |
store32(&pData[2], Attenuation); |
store32(&pData[2], Attenuation); |
3417 |
store16(&pData[6], FineTune); |
store16(&pData[6], FineTune); |
3418 |
store16(&pData[8], PitchbendRange); |
store16(&pData[8], PitchbendRange); |
3419 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode ? 0x01 : 0x00) | |
3420 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
3421 |
pData[10] = dimkeystart; |
pData[10] = dimkeystart; |
3422 |
pData[11] = DimensionKeyRange.high; |
pData[11] = DimensionKeyRange.high; |
3423 |
|
|
3424 |
|
if (pMidiRules[0] == 0 && _3ewg->GetSize() >= 34) { |
3425 |
|
pData[32] = 0; |
3426 |
|
pData[33] = 0; |
3427 |
|
} else { |
3428 |
|
for (int i = 0 ; pMidiRules[i] ; i++) { |
3429 |
|
pMidiRules[i]->UpdateChunks(pData); |
3430 |
|
} |
3431 |
|
} |
3432 |
} |
} |
3433 |
|
|
3434 |
/** |
/** |
3439 |
* there is no Region defined for the given \a Key |
* there is no Region defined for the given \a Key |
3440 |
*/ |
*/ |
3441 |
Region* Instrument::GetRegion(unsigned int Key) { |
Region* Instrument::GetRegion(unsigned int Key) { |
3442 |
if (!pRegions || !pRegions->size() || Key > 127) return NULL; |
if (!pRegions || pRegions->empty() || Key > 127) return NULL; |
3443 |
return RegionKeyTable[Key]; |
return RegionKeyTable[Key]; |
3444 |
|
|
3445 |
/*for (int i = 0; i < Regions; i++) { |
/*for (int i = 0; i < Regions; i++) { |
3497 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
3498 |
} |
} |
3499 |
|
|
3500 |
|
/** |
3501 |
|
* Returns a MIDI rule of the instrument. |
3502 |
|
* |
3503 |
|
* The list of MIDI rules, at least in gig v3, always contains at |
3504 |
|
* most two rules. The second rule can only be the DEF filter |
3505 |
|
* (which currently isn't supported by libgig). |
3506 |
|
* |
3507 |
|
* @param i - MIDI rule number |
3508 |
|
* @returns pointer address to MIDI rule number i or NULL if there is none |
3509 |
|
*/ |
3510 |
|
MidiRule* Instrument::GetMidiRule(int i) { |
3511 |
|
return pMidiRules[i]; |
3512 |
|
} |
3513 |
|
|
3514 |
|
/** |
3515 |
|
* Adds the "controller trigger" MIDI rule to the instrument. |
3516 |
|
* |
3517 |
|
* @returns the new MIDI rule |
3518 |
|
*/ |
3519 |
|
MidiRuleCtrlTrigger* Instrument::AddMidiRuleCtrlTrigger() { |
3520 |
|
delete pMidiRules[0]; |
3521 |
|
MidiRuleCtrlTrigger* r = new MidiRuleCtrlTrigger; |
3522 |
|
pMidiRules[0] = r; |
3523 |
|
pMidiRules[1] = 0; |
3524 |
|
return r; |
3525 |
|
} |
3526 |
|
|
3527 |
|
/** |
3528 |
|
* Adds the legato MIDI rule to the instrument. |
3529 |
|
* |
3530 |
|
* @returns the new MIDI rule |
3531 |
|
*/ |
3532 |
|
MidiRuleLegato* Instrument::AddMidiRuleLegato() { |
3533 |
|
delete pMidiRules[0]; |
3534 |
|
MidiRuleLegato* r = new MidiRuleLegato; |
3535 |
|
pMidiRules[0] = r; |
3536 |
|
pMidiRules[1] = 0; |
3537 |
|
return r; |
3538 |
|
} |
3539 |
|
|
3540 |
|
/** |
3541 |
|
* Adds the alternator MIDI rule to the instrument. |
3542 |
|
* |
3543 |
|
* @returns the new MIDI rule |
3544 |
|
*/ |
3545 |
|
MidiRuleAlternator* Instrument::AddMidiRuleAlternator() { |
3546 |
|
delete pMidiRules[0]; |
3547 |
|
MidiRuleAlternator* r = new MidiRuleAlternator; |
3548 |
|
pMidiRules[0] = r; |
3549 |
|
pMidiRules[1] = 0; |
3550 |
|
return r; |
3551 |
|
} |
3552 |
|
|
3553 |
|
/** |
3554 |
|
* Deletes a MIDI rule from the instrument. |
3555 |
|
* |
3556 |
|
* @param i - MIDI rule number |
3557 |
|
*/ |
3558 |
|
void Instrument::DeleteMidiRule(int i) { |
3559 |
|
delete pMidiRules[i]; |
3560 |
|
pMidiRules[i] = 0; |
3561 |
|
} |
3562 |
|
|
3563 |
|
/** |
3564 |
|
* Make a (semi) deep copy of the Instrument object given by @a orig |
3565 |
|
* and assign it to this object. |
3566 |
|
* |
3567 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
3568 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
3569 |
|
* |
3570 |
|
* @param orig - original Instrument object to be copied from |
3571 |
|
*/ |
3572 |
|
void Instrument::CopyAssign(const Instrument* orig) { |
3573 |
|
CopyAssign(orig, NULL); |
3574 |
|
} |
3575 |
|
|
3576 |
|
/** |
3577 |
|
* Make a (semi) deep copy of the Instrument object given by @a orig |
3578 |
|
* and assign it to this object. |
3579 |
|
* |
3580 |
|
* @param orig - original Instrument object to be copied from |
3581 |
|
* @param mSamples - crosslink map between the foreign file's samples and |
3582 |
|
* this file's samples |
3583 |
|
*/ |
3584 |
|
void Instrument::CopyAssign(const Instrument* orig, const std::map<Sample*,Sample*>* mSamples) { |
3585 |
|
// handle base class |
3586 |
|
// (without copying DLS region stuff) |
3587 |
|
DLS::Instrument::CopyAssignCore(orig); |
3588 |
|
|
3589 |
|
// handle own member variables |
3590 |
|
Attenuation = orig->Attenuation; |
3591 |
|
EffectSend = orig->EffectSend; |
3592 |
|
FineTune = orig->FineTune; |
3593 |
|
PitchbendRange = orig->PitchbendRange; |
3594 |
|
PianoReleaseMode = orig->PianoReleaseMode; |
3595 |
|
DimensionKeyRange = orig->DimensionKeyRange; |
3596 |
|
|
3597 |
|
// free old midi rules |
3598 |
|
for (int i = 0 ; pMidiRules[i] ; i++) { |
3599 |
|
delete pMidiRules[i]; |
3600 |
|
} |
3601 |
|
//TODO: MIDI rule copying |
3602 |
|
pMidiRules[0] = NULL; |
3603 |
|
|
3604 |
|
// delete all old regions |
3605 |
|
while (Regions) DeleteRegion(GetFirstRegion()); |
3606 |
|
// create new regions and copy them from original |
3607 |
|
{ |
3608 |
|
RegionList::const_iterator it = orig->pRegions->begin(); |
3609 |
|
for (int i = 0; i < orig->Regions; ++i, ++it) { |
3610 |
|
Region* dstRgn = AddRegion(); |
3611 |
|
//NOTE: Region does semi-deep copy ! |
3612 |
|
dstRgn->CopyAssign( |
3613 |
|
static_cast<gig::Region*>(*it), |
3614 |
|
mSamples |
3615 |
|
); |
3616 |
|
} |
3617 |
|
} |
3618 |
|
|
3619 |
|
UpdateRegionKeyTable(); |
3620 |
|
} |
3621 |
|
|
3622 |
|
|
3623 |
// *************** Group *************** |
// *************** Group *************** |
3657 |
} |
} |
3658 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
3659 |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
3660 |
|
|
3661 |
|
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major == 3) { |
3662 |
|
// v3 has a fixed list of 128 strings, find a free one |
3663 |
|
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
3664 |
|
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
3665 |
|
pNameChunk = ck; |
3666 |
|
break; |
3667 |
|
} |
3668 |
|
} |
3669 |
|
} |
3670 |
|
|
3671 |
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
3672 |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
3673 |
} |
} |
3743 |
// *************** File *************** |
// *************** File *************** |
3744 |
// * |
// * |
3745 |
|
|
3746 |
// File version 2.0, 1998-06-28 |
/// Reflects Gigasampler file format version 2.0 (1998-06-28). |
3747 |
const DLS::version_t File::VERSION_2 = { |
const DLS::version_t File::VERSION_2 = { |
3748 |
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
3749 |
}; |
}; |
3750 |
|
|
3751 |
// File version 3.0, 2003-03-31 |
/// Reflects Gigasampler file format version 3.0 (2003-03-31). |
3752 |
const DLS::version_t File::VERSION_3 = { |
const DLS::version_t File::VERSION_3 = { |
3753 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
3754 |
}; |
}; |
3755 |
|
|
3756 |
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
3757 |
{ CHUNK_ID_IARL, 256 }, |
{ CHUNK_ID_IARL, 256 }, |
3758 |
{ CHUNK_ID_IART, 128 }, |
{ CHUNK_ID_IART, 128 }, |
3759 |
{ CHUNK_ID_ICMS, 128 }, |
{ CHUNK_ID_ICMS, 128 }, |
3775 |
}; |
}; |
3776 |
|
|
3777 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3778 |
|
bAutoLoad = true; |
3779 |
*pVersion = VERSION_3; |
*pVersion = VERSION_3; |
3780 |
pGroups = NULL; |
pGroups = NULL; |
3781 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3782 |
pInfo->ArchivalLocation = String(256, ' '); |
pInfo->ArchivalLocation = String(256, ' '); |
3783 |
|
|
3784 |
// add some mandatory chunks to get the file chunks in right |
// add some mandatory chunks to get the file chunks in right |
3791 |
} |
} |
3792 |
|
|
3793 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
3794 |
|
bAutoLoad = true; |
3795 |
pGroups = NULL; |
pGroups = NULL; |
3796 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3797 |
} |
} |
3798 |
|
|
3799 |
File::~File() { |
File::~File() { |
3820 |
SamplesIterator++; |
SamplesIterator++; |
3821 |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
3822 |
} |
} |
3823 |
|
|
3824 |
|
/** |
3825 |
|
* Returns Sample object of @a index. |
3826 |
|
* |
3827 |
|
* @returns sample object or NULL if index is out of bounds |
3828 |
|
*/ |
3829 |
|
Sample* File::GetSample(uint index) { |
3830 |
|
if (!pSamples) LoadSamples(); |
3831 |
|
if (!pSamples) return NULL; |
3832 |
|
DLS::File::SampleList::iterator it = pSamples->begin(); |
3833 |
|
for (int i = 0; i < index; ++i) { |
3834 |
|
++it; |
3835 |
|
if (it == pSamples->end()) return NULL; |
3836 |
|
} |
3837 |
|
if (it == pSamples->end()) return NULL; |
3838 |
|
return static_cast<gig::Sample*>( *it ); |
3839 |
|
} |
3840 |
|
|
3841 |
/** @brief Add a new sample. |
/** @brief Add a new sample. |
3842 |
* |
* |
3863 |
|
|
3864 |
/** @brief Delete a sample. |
/** @brief Delete a sample. |
3865 |
* |
* |
3866 |
* This will delete the given Sample object from the gig file. You have |
* This will delete the given Sample object from the gig file. Any |
3867 |
* to call Save() to make this persistent to the file. |
* references to this sample from Regions and DimensionRegions will be |
3868 |
|
* removed. You have to call Save() to make this persistent to the file. |
3869 |
* |
* |
3870 |
* @param pSample - sample to delete |
* @param pSample - sample to delete |
3871 |
* @throws gig::Exception if given sample could not be found |
* @throws gig::Exception if given sample could not be found |
3877 |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
3878 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3879 |
delete pSample; |
delete pSample; |
3880 |
|
|
3881 |
|
SampleList::iterator tmp = SamplesIterator; |
3882 |
|
// remove all references to the sample |
3883 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3884 |
|
instrument = GetNextInstrument()) { |
3885 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3886 |
|
region = instrument->GetNextRegion()) { |
3887 |
|
|
3888 |
|
if (region->GetSample() == pSample) region->SetSample(NULL); |
3889 |
|
|
3890 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3891 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3892 |
|
if (d->pSample == pSample) d->pSample = NULL; |
3893 |
|
} |
3894 |
|
} |
3895 |
|
} |
3896 |
|
SamplesIterator = tmp; // restore iterator |
3897 |
} |
} |
3898 |
|
|
3899 |
void File::LoadSamples() { |
void File::LoadSamples() { |
3984 |
progress_t subprogress; |
progress_t subprogress; |
3985 |
__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
3986 |
__notify_progress(&subprogress, 0.0f); |
__notify_progress(&subprogress, 0.0f); |
3987 |
GetFirstSample(&subprogress); // now force all samples to be loaded |
if (GetAutoLoad()) |
3988 |
|
GetFirstSample(&subprogress); // now force all samples to be loaded |
3989 |
__notify_progress(&subprogress, 1.0f); |
__notify_progress(&subprogress, 1.0f); |
3990 |
|
|
3991 |
// instrument loading subtask |
// instrument loading subtask |
4034 |
pInstruments->push_back(pInstrument); |
pInstruments->push_back(pInstrument); |
4035 |
return pInstrument; |
return pInstrument; |
4036 |
} |
} |
4037 |
|
|
4038 |
|
/** @brief Add a duplicate of an existing instrument. |
4039 |
|
* |
4040 |
|
* Duplicates the instrument definition given by @a orig and adds it |
4041 |
|
* to this file. This allows in an instrument editor application to |
4042 |
|
* easily create variations of an instrument, which will be stored in |
4043 |
|
* the same .gig file, sharing i.e. the same samples. |
4044 |
|
* |
4045 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
4046 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
4047 |
|
* |
4048 |
|
* You have to call Save() to make this persistent to the file. |
4049 |
|
* |
4050 |
|
* @param orig - original instrument to be copied |
4051 |
|
* @returns duplicated copy of the given instrument |
4052 |
|
*/ |
4053 |
|
Instrument* File::AddDuplicateInstrument(const Instrument* orig) { |
4054 |
|
Instrument* instr = AddInstrument(); |
4055 |
|
instr->CopyAssign(orig); |
4056 |
|
return instr; |
4057 |
|
} |
4058 |
|
|
4059 |
|
/** @brief Add content of another existing file. |
4060 |
|
* |
4061 |
|
* Duplicates the samples, groups and instruments of the original file |
4062 |
|
* given by @a pFile and adds them to @c this File. In case @c this File is |
4063 |
|
* a new one that you haven't saved before, then you have to call |
4064 |
|
* SetFileName() before calling AddContentOf(), because this method will |
4065 |
|
* automatically save this file during operation, which is required for |
4066 |
|
* writing the sample waveform data by disk streaming. |
4067 |
|
* |
4068 |
|
* @param pFile - original file whose's content shall be copied from |
4069 |
|
*/ |
4070 |
|
void File::AddContentOf(File* pFile) { |
4071 |
|
static int iCallCount = -1; |
4072 |
|
iCallCount++; |
4073 |
|
std::map<Group*,Group*> mGroups; |
4074 |
|
std::map<Sample*,Sample*> mSamples; |
4075 |
|
|
4076 |
|
// clone sample groups |
4077 |
|
for (int i = 0; pFile->GetGroup(i); ++i) { |
4078 |
|
Group* g = AddGroup(); |
4079 |
|
g->Name = |
4080 |
|
"COPY" + ToString(iCallCount) + "_" + pFile->GetGroup(i)->Name; |
4081 |
|
mGroups[pFile->GetGroup(i)] = g; |
4082 |
|
} |
4083 |
|
|
4084 |
|
// clone samples (not waveform data here yet) |
4085 |
|
for (int i = 0; pFile->GetSample(i); ++i) { |
4086 |
|
Sample* s = AddSample(); |
4087 |
|
s->CopyAssignMeta(pFile->GetSample(i)); |
4088 |
|
mGroups[pFile->GetSample(i)->GetGroup()]->AddSample(s); |
4089 |
|
mSamples[pFile->GetSample(i)] = s; |
4090 |
|
} |
4091 |
|
|
4092 |
|
//BUG: For some reason this method only works with this additional |
4093 |
|
// Save() call in between here. |
4094 |
|
// |
4095 |
|
// Important: The correct one of the 2 Save() methods has to be called |
4096 |
|
// here, depending on whether the file is completely new or has been |
4097 |
|
// saved to disk already, otherwise it will result in data corruption. |
4098 |
|
if (pRIFF->IsNew()) |
4099 |
|
Save(GetFileName()); |
4100 |
|
else |
4101 |
|
Save(); |
4102 |
|
|
4103 |
|
// clone instruments |
4104 |
|
// (passing the crosslink table here for the cloned samples) |
4105 |
|
for (int i = 0; pFile->GetInstrument(i); ++i) { |
4106 |
|
Instrument* instr = AddInstrument(); |
4107 |
|
instr->CopyAssign(pFile->GetInstrument(i), &mSamples); |
4108 |
|
} |
4109 |
|
|
4110 |
|
// Mandatory: file needs to be saved to disk at this point, so this |
4111 |
|
// file has the correct size and data layout for writing the samples' |
4112 |
|
// waveform data to disk. |
4113 |
|
Save(); |
4114 |
|
|
4115 |
|
// clone samples' waveform data |
4116 |
|
// (using direct read & write disk streaming) |
4117 |
|
for (int i = 0; pFile->GetSample(i); ++i) { |
4118 |
|
mSamples[pFile->GetSample(i)]->CopyAssignWave(pFile->GetSample(i)); |
4119 |
|
} |
4120 |
|
} |
4121 |
|
|
4122 |
/** @brief Delete an instrument. |
/** @brief Delete an instrument. |
4123 |
* |
* |
4283 |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
4284 |
while (ck) { |
while (ck) { |
4285 |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
4286 |
|
if (pVersion && pVersion->major == 3 && |
4287 |
|
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
4288 |
|
|
4289 |
pGroups->push_back(new Group(this, ck)); |
pGroups->push_back(new Group(this, ck)); |
4290 |
} |
} |
4291 |
ck = lst3gnl->GetNextSubChunk(); |
ck = lst3gnl->GetNextSubChunk(); |
4330 |
|
|
4331 |
// update group's chunks |
// update group's chunks |
4332 |
if (pGroups) { |
if (pGroups) { |
4333 |
|
// make sure '3gri' and '3gnl' list chunks exist |
4334 |
|
// (before updating the Group chunks) |
4335 |
|
RIFF::List* _3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
4336 |
|
if (!_3gri) { |
4337 |
|
_3gri = pRIFF->AddSubList(LIST_TYPE_3GRI); |
4338 |
|
pRIFF->MoveSubChunk(_3gri, pRIFF->GetSubChunk(CHUNK_ID_PTBL)); |
4339 |
|
} |
4340 |
|
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
4341 |
|
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
4342 |
|
|
4343 |
|
// v3: make sure the file has 128 3gnm chunks |
4344 |
|
// (before updating the Group chunks) |
4345 |
|
if (pVersion && pVersion->major == 3) { |
4346 |
|
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
4347 |
|
for (int i = 0 ; i < 128 ; i++) { |
4348 |
|
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
4349 |
|
if (_3gnm) _3gnm = _3gnl->GetNextSubChunk(); |
4350 |
|
} |
4351 |
|
} |
4352 |
|
|
4353 |
std::list<Group*>::iterator iter = pGroups->begin(); |
std::list<Group*>::iterator iter = pGroups->begin(); |
4354 |
std::list<Group*>::iterator end = pGroups->end(); |
std::list<Group*>::iterator end = pGroups->end(); |
4355 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
4486 |
} |
} |
4487 |
} |
} |
4488 |
|
|
4489 |
|
/** |
4490 |
|
* Enable / disable automatic loading. By default this properyt is |
4491 |
|
* enabled and all informations are loaded automatically. However |
4492 |
|
* loading all Regions, DimensionRegions and especially samples might |
4493 |
|
* take a long time for large .gig files, and sometimes one might only |
4494 |
|
* be interested in retrieving very superficial informations like the |
4495 |
|
* amount of instruments and their names. In this case one might disable |
4496 |
|
* automatic loading to avoid very slow response times. |
4497 |
|
* |
4498 |
|
* @e CAUTION: by disabling this property many pointers (i.e. sample |
4499 |
|
* references) and informations will have invalid or even undefined |
4500 |
|
* data! This feature is currently only intended for retrieving very |
4501 |
|
* superficial informations in a very fast way. Don't use it to retrieve |
4502 |
|
* details like synthesis informations or even to modify .gig files! |
4503 |
|
*/ |
4504 |
|
void File::SetAutoLoad(bool b) { |
4505 |
|
bAutoLoad = b; |
4506 |
|
} |
4507 |
|
|
4508 |
|
/** |
4509 |
|
* Returns whether automatic loading is enabled. |
4510 |
|
* @see SetAutoLoad() |
4511 |
|
*/ |
4512 |
|
bool File::GetAutoLoad() { |
4513 |
|
return bAutoLoad; |
4514 |
|
} |
4515 |
|
|
4516 |
|
|
4517 |
|
|
4518 |
// *************** Exception *************** |
// *************** Exception *************** |