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 |
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#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 |
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// * |
261 |
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262 |
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static uint32_t* __initCRCTable() { |
263 |
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static uint32_t res[256]; |
264 |
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265 |
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for (int i = 0 ; i < 256 ; i++) { |
266 |
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uint32_t c = i; |
267 |
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for (int j = 0 ; j < 8 ; j++) { |
268 |
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c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
269 |
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} |
270 |
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res[i] = c; |
271 |
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} |
272 |
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return res; |
273 |
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} |
274 |
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|
275 |
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static const uint32_t* __CRCTable = __initCRCTable(); |
276 |
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|
277 |
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/** |
278 |
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* Initialize a CRC variable. |
279 |
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* |
280 |
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* @param crc - variable to be initialized |
281 |
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*/ |
282 |
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inline static void __resetCRC(uint32_t& crc) { |
283 |
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crc = 0xffffffff; |
284 |
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} |
285 |
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|
286 |
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/** |
287 |
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* Used to calculate checksums of the sample data in a gig file. The |
288 |
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* checksums are stored in the 3crc chunk of the gig file and |
289 |
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* automatically updated when a sample is written with Sample::Write(). |
290 |
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* |
291 |
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* One should call __resetCRC() to initialize the CRC variable to be |
292 |
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* used before calling this function the first time. |
293 |
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* |
294 |
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* 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 |
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* |
298 |
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* Once the whole data was processed by __calculateCRC(), one should |
299 |
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* call __encodeCRC() to get the final CRC result. |
300 |
|
* |
301 |
|
* @param buf - pointer to data the CRC shall be calculated of |
302 |
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* @param bufSize - size of the data to be processed |
303 |
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* @param crc - variable the CRC sum shall be stored to |
304 |
|
*/ |
305 |
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static void __calculateCRC(unsigned char* buf, int bufSize, uint32_t& crc) { |
306 |
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for (int i = 0 ; i < bufSize ; i++) { |
307 |
|
crc = __CRCTable[(crc ^ buf[i]) & 0xff] ^ (crc >> 8); |
308 |
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} |
309 |
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} |
310 |
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311 |
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/** |
312 |
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* Returns the final CRC result. |
313 |
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* |
314 |
|
* @param crc - variable previously passed to __calculateCRC() |
315 |
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*/ |
316 |
|
inline static uint32_t __encodeCRC(const uint32_t& crc) { |
317 |
|
return crc ^ 0xffffffff; |
318 |
|
} |
319 |
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|
320 |
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|
321 |
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|
322 |
// *************** Other Internal functions *************** |
// *************** Other Internal functions *************** |
323 |
// * |
// * |
324 |
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|
342 |
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|
343 |
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344 |
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// *************** CRC *************** |
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// * |
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const uint32_t* CRC::table(initTable()); |
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uint32_t* CRC::initTable() { |
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uint32_t* res = new uint32_t[256]; |
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for (int i = 0 ; i < 256 ; i++) { |
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uint32_t c = i; |
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for (int j = 0 ; j < 8 ; j++) { |
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c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
|
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} |
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res[i] = c; |
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} |
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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 |
* |
* |
581 |
// update '3gix' chunk |
// update '3gix' chunk |
582 |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
583 |
store16(&pData[0], iSampleGroup); |
store16(&pData[0], iSampleGroup); |
584 |
|
|
585 |
|
// if the library user toggled the "Compressed" attribute from true to |
586 |
|
// false, then the EWAV chunk associated with compressed samples needs |
587 |
|
// to be deleted |
588 |
|
RIFF::Chunk* ewav = pWaveList->GetSubChunk(CHUNK_ID_EWAV); |
589 |
|
if (ewav && !Compressed) { |
590 |
|
pWaveList->DeleteSubChunk(ewav); |
591 |
|
} |
592 |
} |
} |
593 |
|
|
594 |
/// Scans compressed samples for mandatory informations (e.g. actual number of total sample points). |
/// Scans compressed samples for mandatory informations (e.g. actual number of total sample points). |
752 |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
753 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
754 |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
755 |
|
SetPos(0); // reset read position to begin of sample |
756 |
RAMCache.pStart = new int8_t[allocationsize]; |
RAMCache.pStart = new int8_t[allocationsize]; |
757 |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
758 |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
790 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
791 |
RAMCache.pStart = NULL; |
RAMCache.pStart = NULL; |
792 |
RAMCache.Size = 0; |
RAMCache.Size = 0; |
793 |
|
RAMCache.NullExtensionSize = 0; |
794 |
} |
} |
795 |
|
|
796 |
/** @brief Resize sample. |
/** @brief Resize sample. |
883 |
/** |
/** |
884 |
* Returns the current position in the sample (in sample points). |
* Returns the current position in the sample (in sample points). |
885 |
*/ |
*/ |
886 |
unsigned long Sample::GetPos() { |
unsigned long Sample::GetPos() const { |
887 |
if (Compressed) return SamplePos; |
if (Compressed) return SamplePos; |
888 |
else return pCkData->GetPos() / FrameSize; |
else return pCkData->GetPos() / FrameSize; |
889 |
} |
} |
985 |
} |
} |
986 |
|
|
987 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
988 |
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! |
989 |
|
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
990 |
} |
} |
991 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
992 |
break; |
break; |
1276 |
* |
* |
1277 |
* Note: there is currently no support for writing compressed samples. |
* Note: there is currently no support for writing compressed samples. |
1278 |
* |
* |
1279 |
|
* For 16 bit samples, the data in the source buffer should be |
1280 |
|
* int16_t (using native endianness). For 24 bit, the buffer |
1281 |
|
* should contain three bytes per sample, little-endian. |
1282 |
|
* |
1283 |
* @param pBuffer - source buffer |
* @param pBuffer - source buffer |
1284 |
* @param SampleCount - number of sample points to write |
* @param SampleCount - number of sample points to write |
1285 |
* @throws DLS::Exception if current sample size is too small |
* @throws DLS::Exception if current sample size is too small |
1292 |
// if this is the first write in this sample, reset the |
// if this is the first write in this sample, reset the |
1293 |
// checksum calculator |
// checksum calculator |
1294 |
if (pCkData->GetPos() == 0) { |
if (pCkData->GetPos() == 0) { |
1295 |
crc.reset(); |
__resetCRC(crc); |
1296 |
} |
} |
1297 |
unsigned long res = DLS::Sample::Write(pBuffer, SampleCount); |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1298 |
crc.update((unsigned char *)pBuffer, SampleCount * FrameSize); |
unsigned long res; |
1299 |
|
if (BitDepth == 24) { |
1300 |
|
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
1301 |
|
} else { // 16 bit |
1302 |
|
res = Channels == 2 ? pCkData->Write(pBuffer, SampleCount << 1, 2) >> 1 |
1303 |
|
: pCkData->Write(pBuffer, SampleCount, 2); |
1304 |
|
} |
1305 |
|
__calculateCRC((unsigned char *)pBuffer, SampleCount * FrameSize, crc); |
1306 |
|
|
1307 |
// if this is the last write, update the checksum chunk in the |
// if this is the last write, update the checksum chunk in the |
1308 |
// file |
// file |
1309 |
if (pCkData->GetPos() == pCkData->GetSize()) { |
if (pCkData->GetPos() == pCkData->GetSize()) { |
1310 |
File* pFile = static_cast<File*>(GetParent()); |
File* pFile = static_cast<File*>(GetParent()); |
1311 |
pFile->SetSampleChecksum(this, crc.getValue()); |
pFile->SetSampleChecksum(this, __encodeCRC(crc)); |
1312 |
} |
} |
1313 |
return res; |
return res; |
1314 |
} |
} |
1386 |
uint DimensionRegion::Instances = 0; |
uint DimensionRegion::Instances = 0; |
1387 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1388 |
|
|
1389 |
DimensionRegion::DimensionRegion(RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1390 |
Instances++; |
Instances++; |
1391 |
|
|
1392 |
pSample = NULL; |
pSample = NULL; |
1393 |
|
pRegion = pParent; |
1394 |
|
|
1395 |
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
1396 |
else memset(&Crossfade, 0, 4); |
else memset(&Crossfade, 0, 4); |
1508 |
: vcf_res_ctrl_none; |
: vcf_res_ctrl_none; |
1509 |
uint16_t eg3depth = _3ewa->ReadUint16(); |
uint16_t eg3depth = _3ewa->ReadUint16(); |
1510 |
EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */ |
EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */ |
1511 |
: (-1) * (int16_t) ((eg3depth ^ 0xffff) + 1); /* binary complementary for negatives */ |
: (-1) * (int16_t) ((eg3depth ^ 0xfff) + 1); /* binary complementary for negatives */ |
1512 |
_3ewa->ReadInt16(); // unknown |
_3ewa->ReadInt16(); // unknown |
1513 |
ChannelOffset = _3ewa->ReadUint8() / 4; |
ChannelOffset = _3ewa->ReadUint8() / 4; |
1514 |
uint8_t regoptions = _3ewa->ReadUint8(); |
uint8_t regoptions = _3ewa->ReadUint8(); |
1636 |
VelocityResponseDepth, |
VelocityResponseDepth, |
1637 |
VelocityResponseCurveScaling); |
VelocityResponseCurveScaling); |
1638 |
|
|
1639 |
curve_type_t curveType = ReleaseVelocityResponseCurve; |
pVelocityReleaseTable = GetReleaseVelocityTable( |
1640 |
uint8_t depth = ReleaseVelocityResponseDepth; |
ReleaseVelocityResponseCurve, |
1641 |
|
ReleaseVelocityResponseDepth |
1642 |
|
); |
1643 |
|
|
1644 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, |
1645 |
|
VCFVelocityDynamicRange, |
1646 |
|
VCFVelocityScale, |
1647 |
|
VCFCutoffController); |
1648 |
|
|
1649 |
// this models a strange behaviour or bug in GSt: two of the |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1650 |
// velocity response curves for release time are not used even |
VelocityTable = 0; |
1651 |
// 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); |
|
1652 |
|
|
1653 |
curveType = VCFVelocityCurve; |
/* |
1654 |
depth = VCFVelocityDynamicRange; |
* Constructs a DimensionRegion by copying all parameters from |
1655 |
|
* another DimensionRegion |
1656 |
|
*/ |
1657 |
|
DimensionRegion::DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src) : DLS::Sampler(_3ewl) { |
1658 |
|
Instances++; |
1659 |
|
//NOTE: I think we cannot call CopyAssign() here (in a constructor) as long as its a virtual method |
1660 |
|
*this = src; // default memberwise shallow copy of all parameters |
1661 |
|
pParentList = _3ewl; // restore the chunk pointer |
1662 |
|
|
1663 |
|
// deep copy of owned structures |
1664 |
|
if (src.VelocityTable) { |
1665 |
|
VelocityTable = new uint8_t[128]; |
1666 |
|
for (int k = 0 ; k < 128 ; k++) |
1667 |
|
VelocityTable[k] = src.VelocityTable[k]; |
1668 |
|
} |
1669 |
|
if (src.pSampleLoops) { |
1670 |
|
pSampleLoops = new DLS::sample_loop_t[src.SampleLoops]; |
1671 |
|
for (int k = 0 ; k < src.SampleLoops ; k++) |
1672 |
|
pSampleLoops[k] = src.pSampleLoops[k]; |
1673 |
|
} |
1674 |
|
} |
1675 |
|
|
1676 |
|
/** |
1677 |
|
* Make a (semi) deep copy of the DimensionRegion object given by @a orig |
1678 |
|
* and assign it to this object. |
1679 |
|
* |
1680 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
1681 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
1682 |
|
* |
1683 |
|
* @param orig - original DimensionRegion object to be copied from |
1684 |
|
*/ |
1685 |
|
void DimensionRegion::CopyAssign(const DimensionRegion* orig) { |
1686 |
|
CopyAssign(orig, NULL); |
1687 |
|
} |
1688 |
|
|
1689 |
// even stranger GSt: two of the velocity response curves for |
/** |
1690 |
// filter cutoff are not used, instead another special curve |
* Make a (semi) deep copy of the DimensionRegion object given by @a orig |
1691 |
// is chosen. This curve is not used anywhere else. |
* and assign it to this object. |
1692 |
if ((curveType == curve_type_nonlinear && depth == 0) || |
* |
1693 |
(curveType == curve_type_special && depth == 4)) { |
* @param orig - original DimensionRegion object to be copied from |
1694 |
curveType = curve_type_special; |
* @param mSamples - crosslink map between the foreign file's samples and |
1695 |
depth = 5; |
* this file's samples |
1696 |
|
*/ |
1697 |
|
void DimensionRegion::CopyAssign(const DimensionRegion* orig, const std::map<Sample*,Sample*>* mSamples) { |
1698 |
|
// delete all allocated data first |
1699 |
|
if (VelocityTable) delete [] VelocityTable; |
1700 |
|
if (pSampleLoops) delete [] pSampleLoops; |
1701 |
|
|
1702 |
|
// backup parent list pointer |
1703 |
|
RIFF::List* p = pParentList; |
1704 |
|
|
1705 |
|
gig::Sample* pOriginalSample = pSample; |
1706 |
|
gig::Region* pOriginalRegion = pRegion; |
1707 |
|
|
1708 |
|
//NOTE: copy code copied from assignment constructor above, see comment there as well |
1709 |
|
|
1710 |
|
*this = *orig; // default memberwise shallow copy of all parameters |
1711 |
|
pParentList = p; // restore the chunk pointer |
1712 |
|
|
1713 |
|
// only take the raw sample reference & parent region reference if the |
1714 |
|
// two DimensionRegion objects are part of the same file |
1715 |
|
if (pOriginalRegion->GetParent()->GetParent() != orig->pRegion->GetParent()->GetParent()) { |
1716 |
|
pRegion = pOriginalRegion; |
1717 |
|
pSample = pOriginalSample; |
1718 |
|
} |
1719 |
|
|
1720 |
|
if (mSamples && mSamples->count(orig->pSample)) { |
1721 |
|
pSample = mSamples->find(orig->pSample)->second; |
1722 |
|
} |
1723 |
|
|
1724 |
|
// deep copy of owned structures |
1725 |
|
if (orig->VelocityTable) { |
1726 |
|
VelocityTable = new uint8_t[128]; |
1727 |
|
for (int k = 0 ; k < 128 ; k++) |
1728 |
|
VelocityTable[k] = orig->VelocityTable[k]; |
1729 |
|
} |
1730 |
|
if (orig->pSampleLoops) { |
1731 |
|
pSampleLoops = new DLS::sample_loop_t[orig->SampleLoops]; |
1732 |
|
for (int k = 0 ; k < orig->SampleLoops ; k++) |
1733 |
|
pSampleLoops[k] = orig->pSampleLoops[k]; |
1734 |
} |
} |
1735 |
pVelocityCutoffTable = GetVelocityTable(curveType, depth, |
} |
|
VCFCutoffController <= vcf_cutoff_ctrl_none2 ? VCFVelocityScale : 0); |
|
1736 |
|
|
1737 |
|
/** |
1738 |
|
* Updates the respective member variable and updates @c SampleAttenuation |
1739 |
|
* which depends on this value. |
1740 |
|
*/ |
1741 |
|
void DimensionRegion::SetGain(int32_t gain) { |
1742 |
|
DLS::Sampler::SetGain(gain); |
1743 |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
|
VelocityTable = 0; |
|
1744 |
} |
} |
1745 |
|
|
1746 |
/** |
/** |
1763 |
|
|
1764 |
// make sure '3ewa' chunk exists |
// make sure '3ewa' chunk exists |
1765 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1766 |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
if (!_3ewa) { |
1767 |
|
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
1768 |
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
1769 |
|
_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
1770 |
|
} |
1771 |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
1772 |
|
|
1773 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1814 |
pData[44] = eg1ctl; |
pData[44] = eg1ctl; |
1815 |
|
|
1816 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1817 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert ? 0x01 : 0x00) | |
1818 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1819 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1820 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1824 |
pData[46] = eg2ctl; |
pData[46] = eg2ctl; |
1825 |
|
|
1826 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1827 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert ? 0x01 : 0x00) | |
1828 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1829 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1830 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1974 |
} |
} |
1975 |
|
|
1976 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1977 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xfff); /* binary complementary for negatives */ |
1978 |
pData[116] = eg3depth; |
store16(&pData[116], eg3depth); |
1979 |
|
|
1980 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1981 |
|
|
2002 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
2003 |
pData[131] = eg1hold; |
pData[131] = eg1hold; |
2004 |
|
|
2005 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled ? 0x80 : 0x00) | /* bit 7 */ |
2006 |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
2007 |
pData[132] = vcfcutoff; |
pData[132] = vcfcutoff; |
2008 |
|
|
2009 |
pData[133] = VCFCutoffController; |
pData[133] = VCFCutoffController; |
2010 |
|
|
2011 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert ? 0x80 : 0x00) | /* bit 7 */ |
2012 |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
2013 |
pData[134] = vcfvelscale; |
pData[134] = vcfvelscale; |
2014 |
|
|
2015 |
// next byte unknown |
// next byte unknown |
2016 |
|
|
2017 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic ? 0x00 : 0x80) | /* bit 7 */ |
2018 |
(VCFResonance & 0x7f); /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
2019 |
pData[136] = vcfresonance; |
pData[136] = vcfresonance; |
2020 |
|
|
2021 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking ? 0x80 : 0x00) | /* bit 7 */ |
2022 |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
2023 |
pData[137] = vcfbreakpoint; |
pData[137] = vcfbreakpoint; |
2024 |
|
|
2025 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 + |
2026 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
2027 |
pData[138] = vcfvelocity; |
pData[138] = vcfvelocity; |
2028 |
|
|
2034 |
} |
} |
2035 |
} |
} |
2036 |
|
|
2037 |
|
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
2038 |
|
curve_type_t curveType = releaseVelocityResponseCurve; |
2039 |
|
uint8_t depth = releaseVelocityResponseDepth; |
2040 |
|
// this models a strange behaviour or bug in GSt: two of the |
2041 |
|
// velocity response curves for release time are not used even |
2042 |
|
// if specified, instead another curve is chosen. |
2043 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
2044 |
|
(curveType == curve_type_special && depth == 4)) { |
2045 |
|
curveType = curve_type_nonlinear; |
2046 |
|
depth = 3; |
2047 |
|
} |
2048 |
|
return GetVelocityTable(curveType, depth, 0); |
2049 |
|
} |
2050 |
|
|
2051 |
|
double* DimensionRegion::GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, |
2052 |
|
uint8_t vcfVelocityDynamicRange, |
2053 |
|
uint8_t vcfVelocityScale, |
2054 |
|
vcf_cutoff_ctrl_t vcfCutoffController) |
2055 |
|
{ |
2056 |
|
curve_type_t curveType = vcfVelocityCurve; |
2057 |
|
uint8_t depth = vcfVelocityDynamicRange; |
2058 |
|
// even stranger GSt: two of the velocity response curves for |
2059 |
|
// filter cutoff are not used, instead another special curve |
2060 |
|
// is chosen. This curve is not used anywhere else. |
2061 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
2062 |
|
(curveType == curve_type_special && depth == 4)) { |
2063 |
|
curveType = curve_type_special; |
2064 |
|
depth = 5; |
2065 |
|
} |
2066 |
|
return GetVelocityTable(curveType, depth, |
2067 |
|
(vcfCutoffController <= vcf_cutoff_ctrl_none2) |
2068 |
|
? vcfVelocityScale : 0); |
2069 |
|
} |
2070 |
|
|
2071 |
// 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 |
2072 |
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) |
2073 |
{ |
{ |
2083 |
return table; |
return table; |
2084 |
} |
} |
2085 |
|
|
2086 |
|
Region* DimensionRegion::GetParent() const { |
2087 |
|
return pRegion; |
2088 |
|
} |
2089 |
|
|
2090 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
2091 |
leverage_ctrl_t decodedcontroller; |
leverage_ctrl_t decodedcontroller; |
2092 |
switch (EncodedController) { |
switch (EncodedController) { |
2340 |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
2341 |
} |
} |
2342 |
|
|
2343 |
|
/** |
2344 |
|
* Updates the respective member variable and the lookup table / cache |
2345 |
|
* that depends on this value. |
2346 |
|
*/ |
2347 |
|
void DimensionRegion::SetVelocityResponseCurve(curve_type_t curve) { |
2348 |
|
pVelocityAttenuationTable = |
2349 |
|
GetVelocityTable( |
2350 |
|
curve, VelocityResponseDepth, VelocityResponseCurveScaling |
2351 |
|
); |
2352 |
|
VelocityResponseCurve = curve; |
2353 |
|
} |
2354 |
|
|
2355 |
|
/** |
2356 |
|
* Updates the respective member variable and the lookup table / cache |
2357 |
|
* that depends on this value. |
2358 |
|
*/ |
2359 |
|
void DimensionRegion::SetVelocityResponseDepth(uint8_t depth) { |
2360 |
|
pVelocityAttenuationTable = |
2361 |
|
GetVelocityTable( |
2362 |
|
VelocityResponseCurve, depth, VelocityResponseCurveScaling |
2363 |
|
); |
2364 |
|
VelocityResponseDepth = depth; |
2365 |
|
} |
2366 |
|
|
2367 |
|
/** |
2368 |
|
* Updates the respective member variable and the lookup table / cache |
2369 |
|
* that depends on this value. |
2370 |
|
*/ |
2371 |
|
void DimensionRegion::SetVelocityResponseCurveScaling(uint8_t scaling) { |
2372 |
|
pVelocityAttenuationTable = |
2373 |
|
GetVelocityTable( |
2374 |
|
VelocityResponseCurve, VelocityResponseDepth, scaling |
2375 |
|
); |
2376 |
|
VelocityResponseCurveScaling = scaling; |
2377 |
|
} |
2378 |
|
|
2379 |
|
/** |
2380 |
|
* Updates the respective member variable and the lookup table / cache |
2381 |
|
* that depends on this value. |
2382 |
|
*/ |
2383 |
|
void DimensionRegion::SetReleaseVelocityResponseCurve(curve_type_t curve) { |
2384 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(curve, ReleaseVelocityResponseDepth); |
2385 |
|
ReleaseVelocityResponseCurve = curve; |
2386 |
|
} |
2387 |
|
|
2388 |
|
/** |
2389 |
|
* Updates the respective member variable and the lookup table / cache |
2390 |
|
* that depends on this value. |
2391 |
|
*/ |
2392 |
|
void DimensionRegion::SetReleaseVelocityResponseDepth(uint8_t depth) { |
2393 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(ReleaseVelocityResponseCurve, depth); |
2394 |
|
ReleaseVelocityResponseDepth = depth; |
2395 |
|
} |
2396 |
|
|
2397 |
|
/** |
2398 |
|
* Updates the respective member variable and the lookup table / cache |
2399 |
|
* that depends on this value. |
2400 |
|
*/ |
2401 |
|
void DimensionRegion::SetVCFCutoffController(vcf_cutoff_ctrl_t controller) { |
2402 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, VCFVelocityScale, controller); |
2403 |
|
VCFCutoffController = controller; |
2404 |
|
} |
2405 |
|
|
2406 |
|
/** |
2407 |
|
* Updates the respective member variable and the lookup table / cache |
2408 |
|
* that depends on this value. |
2409 |
|
*/ |
2410 |
|
void DimensionRegion::SetVCFVelocityCurve(curve_type_t curve) { |
2411 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(curve, VCFVelocityDynamicRange, VCFVelocityScale, VCFCutoffController); |
2412 |
|
VCFVelocityCurve = curve; |
2413 |
|
} |
2414 |
|
|
2415 |
|
/** |
2416 |
|
* Updates the respective member variable and the lookup table / cache |
2417 |
|
* that depends on this value. |
2418 |
|
*/ |
2419 |
|
void DimensionRegion::SetVCFVelocityDynamicRange(uint8_t range) { |
2420 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, range, VCFVelocityScale, VCFCutoffController); |
2421 |
|
VCFVelocityDynamicRange = range; |
2422 |
|
} |
2423 |
|
|
2424 |
|
/** |
2425 |
|
* Updates the respective member variable and the lookup table / cache |
2426 |
|
* that depends on this value. |
2427 |
|
*/ |
2428 |
|
void DimensionRegion::SetVCFVelocityScale(uint8_t scaling) { |
2429 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, scaling, VCFCutoffController); |
2430 |
|
VCFVelocityScale = scaling; |
2431 |
|
} |
2432 |
|
|
2433 |
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) { |
2434 |
|
|
2435 |
// line-segment approximations of the 15 velocity curves |
// line-segment approximations of the 15 velocity curves |
2513 |
|
|
2514 |
// Actual Loading |
// Actual Loading |
2515 |
|
|
2516 |
|
if (!file->GetAutoLoad()) return; |
2517 |
|
|
2518 |
LoadDimensionRegions(rgnList); |
LoadDimensionRegions(rgnList); |
2519 |
|
|
2520 |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
2558 |
else |
else |
2559 |
_3lnk->SetPos(44); |
_3lnk->SetPos(44); |
2560 |
|
|
2561 |
// load sample references |
// load sample references (if auto loading is enabled) |
2562 |
for (uint i = 0; i < DimensionRegions; i++) { |
if (file->GetAutoLoad()) { |
2563 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
for (uint i = 0; i < DimensionRegions; i++) { |
2564 |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2565 |
|
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2566 |
|
} |
2567 |
|
GetSample(); // load global region sample reference |
2568 |
} |
} |
|
GetSample(); // load global region sample reference |
|
2569 |
} else { |
} else { |
2570 |
DimensionRegions = 0; |
DimensionRegions = 0; |
2571 |
for (int i = 0 ; i < 8 ; i++) { |
for (int i = 0 ; i < 8 ; i++) { |
2580 |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
2581 |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
2582 |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
2583 |
pDimensionRegions[0] = new DimensionRegion(_3ewl); |
pDimensionRegions[0] = new DimensionRegion(this, _3ewl); |
2584 |
DimensionRegions = 1; |
DimensionRegions = 1; |
2585 |
} |
} |
2586 |
} |
} |
2604 |
// first update base class's chunks |
// first update base class's chunks |
2605 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2606 |
|
|
|
File* pFile = (File*) GetParent()->GetParent(); |
|
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
|
|
|
|
2607 |
// update dimension region's chunks |
// update dimension region's chunks |
2608 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
2609 |
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(); |
|
2610 |
} |
} |
2611 |
|
|
2612 |
|
File* pFile = (File*) GetParent()->GetParent(); |
2613 |
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
2614 |
const int iMaxDimensions = version3 ? 8 : 5; |
const int iMaxDimensions = version3 ? 8 : 5; |
2615 |
const int iMaxDimensionRegions = version3 ? 256 : 32; |
const int iMaxDimensionRegions = version3 ? 256 : 32; |
2616 |
|
|
2632 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2633 |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2634 |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2635 |
pData[6 + i * 8] = shift; |
pData[6 + i * 8] = pDimensionDefinitions[i].dimension == dimension_none ? 0 : shift; |
2636 |
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2637 |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2638 |
// next 3 bytes unknown, always zero? |
// next 3 bytes unknown, always zero? |
2654 |
break; |
break; |
2655 |
} |
} |
2656 |
} |
} |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
|
2657 |
} |
} |
2658 |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2659 |
} |
} |
2666 |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
2667 |
while (_3ewl) { |
while (_3ewl) { |
2668 |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
2669 |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(_3ewl); |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(this, _3ewl); |
2670 |
dimensionRegionNr++; |
dimensionRegionNr++; |
2671 |
} |
} |
2672 |
_3ewl = _3prg->GetNextSubList(); |
_3ewl = _3prg->GetNextSubList(); |
2675 |
} |
} |
2676 |
} |
} |
2677 |
|
|
2678 |
|
void Region::SetKeyRange(uint16_t Low, uint16_t High) { |
2679 |
|
// update KeyRange struct and make sure regions are in correct order |
2680 |
|
DLS::Region::SetKeyRange(Low, High); |
2681 |
|
// update Region key table for fast lookup |
2682 |
|
((gig::Instrument*)GetParent())->UpdateRegionKeyTable(); |
2683 |
|
} |
2684 |
|
|
2685 |
void Region::UpdateVelocityTable() { |
void Region::UpdateVelocityTable() { |
2686 |
// get velocity dimension's index |
// get velocity dimension's index |
2687 |
int veldim = -1; |
int veldim = -1; |
2787 |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
2788 |
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"); |
2789 |
|
|
2790 |
|
// pos is where the new dimension should be placed, normally |
2791 |
|
// last in list, except for the samplechannel dimension which |
2792 |
|
// has to be first in list |
2793 |
|
int pos = pDimDef->dimension == dimension_samplechannel ? 0 : Dimensions; |
2794 |
|
int bitpos = 0; |
2795 |
|
for (int i = 0 ; i < pos ; i++) |
2796 |
|
bitpos += pDimensionDefinitions[i].bits; |
2797 |
|
|
2798 |
|
// make room for the new dimension |
2799 |
|
for (int i = Dimensions ; i > pos ; i--) pDimensionDefinitions[i] = pDimensionDefinitions[i - 1]; |
2800 |
|
for (int i = 0 ; i < (1 << iCurrentBits) ; i++) { |
2801 |
|
for (int j = Dimensions ; j > pos ; j--) { |
2802 |
|
pDimensionRegions[i]->DimensionUpperLimits[j] = |
2803 |
|
pDimensionRegions[i]->DimensionUpperLimits[j - 1]; |
2804 |
|
} |
2805 |
|
} |
2806 |
|
|
2807 |
// assign definition of new dimension |
// assign definition of new dimension |
2808 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[pos] = *pDimDef; |
2809 |
|
|
2810 |
// auto correct certain dimension definition fields (where possible) |
// auto correct certain dimension definition fields (where possible) |
2811 |
pDimensionDefinitions[Dimensions].split_type = |
pDimensionDefinitions[pos].split_type = |
2812 |
__resolveSplitType(pDimensionDefinitions[Dimensions].dimension); |
__resolveSplitType(pDimensionDefinitions[pos].dimension); |
2813 |
pDimensionDefinitions[Dimensions].zone_size = |
pDimensionDefinitions[pos].zone_size = |
2814 |
__resolveZoneSize(pDimensionDefinitions[Dimensions]); |
__resolveZoneSize(pDimensionDefinitions[pos]); |
2815 |
|
|
2816 |
// create new dimension region(s) for this new dimension |
// create new dimension region(s) for this new dimension, and make |
2817 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
// sure that the dimension regions are placed correctly in both the |
2818 |
//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 |
2819 |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
RIFF::Chunk* moveTo = NULL; |
2820 |
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2821 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
for (int i = (1 << iCurrentBits) - (1 << bitpos) ; i >= 0 ; i -= (1 << bitpos)) { |
2822 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2823 |
// copy the upper limits for the other dimensions |
pDimensionRegions[(i << pDimDef->bits) + k] = pDimensionRegions[i + k]; |
2824 |
memcpy(pDimensionRegions[i]->DimensionUpperLimits, |
} |
2825 |
pDimensionRegions[i & ((1 << iCurrentBits) - 1)]->DimensionUpperLimits, 8); |
for (int j = 1 ; j < (1 << pDimDef->bits) ; j++) { |
2826 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2827 |
|
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2828 |
|
if (moveTo) _3prg->MoveSubChunk(pNewDimRgnListChunk, moveTo); |
2829 |
|
// create a new dimension region and copy all parameter values from |
2830 |
|
// an existing dimension region |
2831 |
|
pDimensionRegions[(i << pDimDef->bits) + (j << bitpos) + k] = |
2832 |
|
new DimensionRegion(pNewDimRgnListChunk, *pDimensionRegions[i + k]); |
2833 |
|
|
2834 |
DimensionRegions++; |
DimensionRegions++; |
2835 |
|
} |
2836 |
|
} |
2837 |
|
moveTo = pDimensionRegions[i]->pParentList; |
2838 |
} |
} |
2839 |
|
|
2840 |
// initialize the upper limits for this dimension |
// initialize the upper limits for this dimension |
2841 |
for (int z = 0, j = 0 ; z < pDimDef->zones ; z++, j += 1 << iCurrentBits) { |
int mask = (1 << bitpos) - 1; |
2842 |
uint8_t upperLimit = (z + 1) * 128.0 / pDimDef->zones - 1; |
for (int z = 0 ; z < pDimDef->zones ; z++) { |
2843 |
|
uint8_t upperLimit = uint8_t((z + 1) * 128.0 / pDimDef->zones - 1); |
2844 |
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
2845 |
pDimensionRegions[j + i]->DimensionUpperLimits[Dimensions] = upperLimit; |
pDimensionRegions[((i & ~mask) << pDimDef->bits) | |
2846 |
|
(z << bitpos) | |
2847 |
|
(i & mask)]->DimensionUpperLimits[pos] = upperLimit; |
2848 |
} |
} |
2849 |
} |
} |
2850 |
|
|
3062 |
} |
} |
3063 |
return NULL; |
return NULL; |
3064 |
} |
} |
3065 |
|
|
3066 |
|
/** |
3067 |
|
* Make a (semi) deep copy of the Region object given by @a orig |
3068 |
|
* and assign it to this object. |
3069 |
|
* |
3070 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
3071 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
3072 |
|
* |
3073 |
|
* @param orig - original Region object to be copied from |
3074 |
|
*/ |
3075 |
|
void Region::CopyAssign(const Region* orig) { |
3076 |
|
CopyAssign(orig, NULL); |
3077 |
|
} |
3078 |
|
|
3079 |
|
/** |
3080 |
|
* Make a (semi) deep copy of the Region object given by @a orig and |
3081 |
|
* assign it to this object |
3082 |
|
* |
3083 |
|
* @param mSamples - crosslink map between the foreign file's samples and |
3084 |
|
* this file's samples |
3085 |
|
*/ |
3086 |
|
void Region::CopyAssign(const Region* orig, const std::map<Sample*,Sample*>* mSamples) { |
3087 |
|
// handle base classes |
3088 |
|
DLS::Region::CopyAssign(orig); |
3089 |
|
|
3090 |
|
if (mSamples && mSamples->count((gig::Sample*)orig->pSample)) { |
3091 |
|
pSample = mSamples->find((gig::Sample*)orig->pSample)->second; |
3092 |
|
} |
3093 |
|
|
3094 |
|
// handle own member variables |
3095 |
|
for (int i = Dimensions - 1; i >= 0; --i) { |
3096 |
|
DeleteDimension(&pDimensionDefinitions[i]); |
3097 |
|
} |
3098 |
|
Layers = 0; // just to be sure |
3099 |
|
for (int i = 0; i < orig->Dimensions; i++) { |
3100 |
|
// we need to copy the dim definition here, to avoid the compiler |
3101 |
|
// complaining about const-ness issue |
3102 |
|
dimension_def_t def = orig->pDimensionDefinitions[i]; |
3103 |
|
AddDimension(&def); |
3104 |
|
} |
3105 |
|
for (int i = 0; i < 256; i++) { |
3106 |
|
if (pDimensionRegions[i] && orig->pDimensionRegions[i]) { |
3107 |
|
pDimensionRegions[i]->CopyAssign( |
3108 |
|
orig->pDimensionRegions[i], |
3109 |
|
mSamples |
3110 |
|
); |
3111 |
|
} |
3112 |
|
} |
3113 |
|
Layers = orig->Layers; |
3114 |
|
} |
3115 |
|
|
3116 |
|
|
3117 |
|
// *************** MidiRule *************** |
3118 |
|
// * |
3119 |
|
|
3120 |
|
MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) { |
3121 |
|
_3ewg->SetPos(36); |
3122 |
|
Triggers = _3ewg->ReadUint8(); |
3123 |
|
_3ewg->SetPos(40); |
3124 |
|
ControllerNumber = _3ewg->ReadUint8(); |
3125 |
|
_3ewg->SetPos(46); |
3126 |
|
for (int i = 0 ; i < Triggers ; i++) { |
3127 |
|
pTriggers[i].TriggerPoint = _3ewg->ReadUint8(); |
3128 |
|
pTriggers[i].Descending = _3ewg->ReadUint8(); |
3129 |
|
pTriggers[i].VelSensitivity = _3ewg->ReadUint8(); |
3130 |
|
pTriggers[i].Key = _3ewg->ReadUint8(); |
3131 |
|
pTriggers[i].NoteOff = _3ewg->ReadUint8(); |
3132 |
|
pTriggers[i].Velocity = _3ewg->ReadUint8(); |
3133 |
|
pTriggers[i].OverridePedal = _3ewg->ReadUint8(); |
3134 |
|
_3ewg->ReadUint8(); |
3135 |
|
} |
3136 |
|
} |
3137 |
|
|
3138 |
|
MidiRuleCtrlTrigger::MidiRuleCtrlTrigger() : |
3139 |
|
ControllerNumber(0), |
3140 |
|
Triggers(0) { |
3141 |
|
} |
3142 |
|
|
3143 |
|
void MidiRuleCtrlTrigger::UpdateChunks(uint8_t* pData) const { |
3144 |
|
pData[32] = 4; |
3145 |
|
pData[33] = 16; |
3146 |
|
pData[36] = Triggers; |
3147 |
|
pData[40] = ControllerNumber; |
3148 |
|
for (int i = 0 ; i < Triggers ; i++) { |
3149 |
|
pData[46 + i * 8] = pTriggers[i].TriggerPoint; |
3150 |
|
pData[47 + i * 8] = pTriggers[i].Descending; |
3151 |
|
pData[48 + i * 8] = pTriggers[i].VelSensitivity; |
3152 |
|
pData[49 + i * 8] = pTriggers[i].Key; |
3153 |
|
pData[50 + i * 8] = pTriggers[i].NoteOff; |
3154 |
|
pData[51 + i * 8] = pTriggers[i].Velocity; |
3155 |
|
pData[52 + i * 8] = pTriggers[i].OverridePedal; |
3156 |
|
} |
3157 |
|
} |
3158 |
|
|
3159 |
|
MidiRuleLegato::MidiRuleLegato(RIFF::Chunk* _3ewg) { |
3160 |
|
_3ewg->SetPos(36); |
3161 |
|
LegatoSamples = _3ewg->ReadUint8(); // always 12 |
3162 |
|
_3ewg->SetPos(40); |
3163 |
|
BypassUseController = _3ewg->ReadUint8(); |
3164 |
|
BypassKey = _3ewg->ReadUint8(); |
3165 |
|
BypassController = _3ewg->ReadUint8(); |
3166 |
|
ThresholdTime = _3ewg->ReadUint16(); |
3167 |
|
_3ewg->ReadInt16(); |
3168 |
|
ReleaseTime = _3ewg->ReadUint16(); |
3169 |
|
_3ewg->ReadInt16(); |
3170 |
|
KeyRange.low = _3ewg->ReadUint8(); |
3171 |
|
KeyRange.high = _3ewg->ReadUint8(); |
3172 |
|
_3ewg->SetPos(64); |
3173 |
|
ReleaseTriggerKey = _3ewg->ReadUint8(); |
3174 |
|
AltSustain1Key = _3ewg->ReadUint8(); |
3175 |
|
AltSustain2Key = _3ewg->ReadUint8(); |
3176 |
|
} |
3177 |
|
|
3178 |
|
MidiRuleLegato::MidiRuleLegato() : |
3179 |
|
LegatoSamples(12), |
3180 |
|
BypassUseController(false), |
3181 |
|
BypassKey(0), |
3182 |
|
BypassController(1), |
3183 |
|
ThresholdTime(20), |
3184 |
|
ReleaseTime(20), |
3185 |
|
ReleaseTriggerKey(0), |
3186 |
|
AltSustain1Key(0), |
3187 |
|
AltSustain2Key(0) |
3188 |
|
{ |
3189 |
|
KeyRange.low = KeyRange.high = 0; |
3190 |
|
} |
3191 |
|
|
3192 |
|
void MidiRuleLegato::UpdateChunks(uint8_t* pData) const { |
3193 |
|
pData[32] = 0; |
3194 |
|
pData[33] = 16; |
3195 |
|
pData[36] = LegatoSamples; |
3196 |
|
pData[40] = BypassUseController; |
3197 |
|
pData[41] = BypassKey; |
3198 |
|
pData[42] = BypassController; |
3199 |
|
store16(&pData[43], ThresholdTime); |
3200 |
|
store16(&pData[47], ReleaseTime); |
3201 |
|
pData[51] = KeyRange.low; |
3202 |
|
pData[52] = KeyRange.high; |
3203 |
|
pData[64] = ReleaseTriggerKey; |
3204 |
|
pData[65] = AltSustain1Key; |
3205 |
|
pData[66] = AltSustain2Key; |
3206 |
|
} |
3207 |
|
|
3208 |
|
MidiRuleAlternator::MidiRuleAlternator(RIFF::Chunk* _3ewg) { |
3209 |
|
_3ewg->SetPos(36); |
3210 |
|
Articulations = _3ewg->ReadUint8(); |
3211 |
|
int flags = _3ewg->ReadUint8(); |
3212 |
|
Polyphonic = flags & 8; |
3213 |
|
Chained = flags & 4; |
3214 |
|
Selector = (flags & 2) ? selector_controller : |
3215 |
|
(flags & 1) ? selector_key_switch : selector_none; |
3216 |
|
Patterns = _3ewg->ReadUint8(); |
3217 |
|
_3ewg->ReadUint8(); // chosen row |
3218 |
|
_3ewg->ReadUint8(); // unknown |
3219 |
|
_3ewg->ReadUint8(); // unknown |
3220 |
|
_3ewg->ReadUint8(); // unknown |
3221 |
|
KeySwitchRange.low = _3ewg->ReadUint8(); |
3222 |
|
KeySwitchRange.high = _3ewg->ReadUint8(); |
3223 |
|
Controller = _3ewg->ReadUint8(); |
3224 |
|
PlayRange.low = _3ewg->ReadUint8(); |
3225 |
|
PlayRange.high = _3ewg->ReadUint8(); |
3226 |
|
|
3227 |
|
int n = std::min(int(Articulations), 32); |
3228 |
|
for (int i = 0 ; i < n ; i++) { |
3229 |
|
_3ewg->ReadString(pArticulations[i], 32); |
3230 |
|
} |
3231 |
|
_3ewg->SetPos(1072); |
3232 |
|
n = std::min(int(Patterns), 32); |
3233 |
|
for (int i = 0 ; i < n ; i++) { |
3234 |
|
_3ewg->ReadString(pPatterns[i].Name, 16); |
3235 |
|
pPatterns[i].Size = _3ewg->ReadUint8(); |
3236 |
|
_3ewg->Read(&pPatterns[i][0], 1, 32); |
3237 |
|
} |
3238 |
|
} |
3239 |
|
|
3240 |
|
MidiRuleAlternator::MidiRuleAlternator() : |
3241 |
|
Articulations(0), |
3242 |
|
Patterns(0), |
3243 |
|
Selector(selector_none), |
3244 |
|
Controller(0), |
3245 |
|
Polyphonic(false), |
3246 |
|
Chained(false) |
3247 |
|
{ |
3248 |
|
PlayRange.low = PlayRange.high = 0; |
3249 |
|
KeySwitchRange.low = KeySwitchRange.high = 0; |
3250 |
|
} |
3251 |
|
|
3252 |
|
void MidiRuleAlternator::UpdateChunks(uint8_t* pData) const { |
3253 |
|
pData[32] = 3; |
3254 |
|
pData[33] = 16; |
3255 |
|
pData[36] = Articulations; |
3256 |
|
pData[37] = (Polyphonic ? 8 : 0) | (Chained ? 4 : 0) | |
3257 |
|
(Selector == selector_controller ? 2 : |
3258 |
|
(Selector == selector_key_switch ? 1 : 0)); |
3259 |
|
pData[38] = Patterns; |
3260 |
|
|
3261 |
|
pData[43] = KeySwitchRange.low; |
3262 |
|
pData[44] = KeySwitchRange.high; |
3263 |
|
pData[45] = Controller; |
3264 |
|
pData[46] = PlayRange.low; |
3265 |
|
pData[47] = PlayRange.high; |
3266 |
|
|
3267 |
|
char* str = reinterpret_cast<char*>(pData); |
3268 |
|
int pos = 48; |
3269 |
|
int n = std::min(int(Articulations), 32); |
3270 |
|
for (int i = 0 ; i < n ; i++, pos += 32) { |
3271 |
|
strncpy(&str[pos], pArticulations[i].c_str(), 32); |
3272 |
|
} |
3273 |
|
|
3274 |
|
pos = 1072; |
3275 |
|
n = std::min(int(Patterns), 32); |
3276 |
|
for (int i = 0 ; i < n ; i++, pos += 49) { |
3277 |
|
strncpy(&str[pos], pPatterns[i].Name.c_str(), 16); |
3278 |
|
pData[pos + 16] = pPatterns[i].Size; |
3279 |
|
memcpy(&pData[pos + 16], &(pPatterns[i][0]), 32); |
3280 |
|
} |
3281 |
|
} |
3282 |
|
|
3283 |
// *************** Instrument *************** |
// *************** Instrument *************** |
3284 |
// * |
// * |
3285 |
|
|
3286 |
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) { |
3287 |
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
3288 |
{ CHUNK_ID_INAM, 64 }, |
{ CHUNK_ID_INAM, 64 }, |
3289 |
{ CHUNK_ID_ISFT, 12 }, |
{ CHUNK_ID_ISFT, 12 }, |
3290 |
{ 0, 0 } |
{ 0, 0 } |
3291 |
}; |
}; |
3292 |
pInfo->FixedStringLengths = fixedStringLengths; |
pInfo->SetFixedStringLengths(fixedStringLengths); |
3293 |
|
|
3294 |
// Initialization |
// Initialization |
3295 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
3300 |
PianoReleaseMode = false; |
PianoReleaseMode = false; |
3301 |
DimensionKeyRange.low = 0; |
DimensionKeyRange.low = 0; |
3302 |
DimensionKeyRange.high = 0; |
DimensionKeyRange.high = 0; |
3303 |
|
pMidiRules = new MidiRule*[3]; |
3304 |
|
pMidiRules[0] = NULL; |
3305 |
|
|
3306 |
// Loading |
// Loading |
3307 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
3316 |
PianoReleaseMode = dimkeystart & 0x01; |
PianoReleaseMode = dimkeystart & 0x01; |
3317 |
DimensionKeyRange.low = dimkeystart >> 1; |
DimensionKeyRange.low = dimkeystart >> 1; |
3318 |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
3319 |
|
|
3320 |
|
if (_3ewg->GetSize() > 32) { |
3321 |
|
// read MIDI rules |
3322 |
|
int i = 0; |
3323 |
|
_3ewg->SetPos(32); |
3324 |
|
uint8_t id1 = _3ewg->ReadUint8(); |
3325 |
|
uint8_t id2 = _3ewg->ReadUint8(); |
3326 |
|
|
3327 |
|
if (id2 == 16) { |
3328 |
|
if (id1 == 4) { |
3329 |
|
pMidiRules[i++] = new MidiRuleCtrlTrigger(_3ewg); |
3330 |
|
} else if (id1 == 0) { |
3331 |
|
pMidiRules[i++] = new MidiRuleLegato(_3ewg); |
3332 |
|
} else if (id1 == 3) { |
3333 |
|
pMidiRules[i++] = new MidiRuleAlternator(_3ewg); |
3334 |
|
} else { |
3335 |
|
pMidiRules[i++] = new MidiRuleUnknown; |
3336 |
|
} |
3337 |
|
} |
3338 |
|
else if (id1 != 0 || id2 != 0) { |
3339 |
|
pMidiRules[i++] = new MidiRuleUnknown; |
3340 |
|
} |
3341 |
|
//TODO: all the other types of rules |
3342 |
|
|
3343 |
|
pMidiRules[i] = NULL; |
3344 |
|
} |
3345 |
} |
} |
3346 |
} |
} |
3347 |
|
|
3348 |
if (!pRegions) pRegions = new RegionList; |
if (pFile->GetAutoLoad()) { |
3349 |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
if (!pRegions) pRegions = new RegionList; |
3350 |
if (lrgn) { |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
3351 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
if (lrgn) { |
3352 |
while (rgn) { |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
3353 |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
while (rgn) { |
3354 |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
3355 |
pRegions->push_back(new Region(this, rgn)); |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
3356 |
|
pRegions->push_back(new Region(this, rgn)); |
3357 |
|
} |
3358 |
|
rgn = lrgn->GetNextSubList(); |
3359 |
} |
} |
3360 |
rgn = lrgn->GetNextSubList(); |
// Creating Region Key Table for fast lookup |
3361 |
|
UpdateRegionKeyTable(); |
3362 |
} |
} |
|
// Creating Region Key Table for fast lookup |
|
|
UpdateRegionKeyTable(); |
|
3363 |
} |
} |
3364 |
|
|
3365 |
__notify_progress(pProgress, 1.0f); // notify done |
__notify_progress(pProgress, 1.0f); // notify done |
3366 |
} |
} |
3367 |
|
|
3368 |
void Instrument::UpdateRegionKeyTable() { |
void Instrument::UpdateRegionKeyTable() { |
3369 |
|
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
3370 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
3371 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
3372 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
3378 |
} |
} |
3379 |
|
|
3380 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
3381 |
|
for (int i = 0 ; pMidiRules[i] ; i++) { |
3382 |
|
delete pMidiRules[i]; |
3383 |
|
} |
3384 |
|
delete[] pMidiRules; |
3385 |
} |
} |
3386 |
|
|
3387 |
/** |
/** |
3410 |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
3411 |
// make sure '3ewg' RIFF chunk exists |
// make sure '3ewg' RIFF chunk exists |
3412 |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
3413 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) { |
3414 |
|
File* pFile = (File*) GetParent(); |
3415 |
|
|
3416 |
|
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
3417 |
|
int size = (pFile->pVersion && pFile->pVersion->major == 3) ? 16416 : 12; |
3418 |
|
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
3419 |
|
memset(_3ewg->LoadChunkData(), 0, size); |
3420 |
|
} |
3421 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
3422 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
3423 |
store16(&pData[0], EffectSend); |
store16(&pData[0], EffectSend); |
3424 |
store32(&pData[2], Attenuation); |
store32(&pData[2], Attenuation); |
3425 |
store16(&pData[6], FineTune); |
store16(&pData[6], FineTune); |
3426 |
store16(&pData[8], PitchbendRange); |
store16(&pData[8], PitchbendRange); |
3427 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode ? 0x01 : 0x00) | |
3428 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
3429 |
pData[10] = dimkeystart; |
pData[10] = dimkeystart; |
3430 |
pData[11] = DimensionKeyRange.high; |
pData[11] = DimensionKeyRange.high; |
3431 |
|
|
3432 |
|
if (pMidiRules[0] == 0 && _3ewg->GetSize() >= 34) { |
3433 |
|
pData[32] = 0; |
3434 |
|
pData[33] = 0; |
3435 |
|
} else { |
3436 |
|
for (int i = 0 ; pMidiRules[i] ; i++) { |
3437 |
|
pMidiRules[i]->UpdateChunks(pData); |
3438 |
|
} |
3439 |
|
} |
3440 |
} |
} |
3441 |
|
|
3442 |
/** |
/** |
3447 |
* there is no Region defined for the given \a Key |
* there is no Region defined for the given \a Key |
3448 |
*/ |
*/ |
3449 |
Region* Instrument::GetRegion(unsigned int Key) { |
Region* Instrument::GetRegion(unsigned int Key) { |
3450 |
if (!pRegions || !pRegions->size() || Key > 127) return NULL; |
if (!pRegions || pRegions->empty() || Key > 127) return NULL; |
3451 |
return RegionKeyTable[Key]; |
return RegionKeyTable[Key]; |
3452 |
|
|
3453 |
/*for (int i = 0; i < Regions; i++) { |
/*for (int i = 0; i < Regions; i++) { |
3505 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
3506 |
} |
} |
3507 |
|
|
3508 |
|
/** |
3509 |
|
* Returns a MIDI rule of the instrument. |
3510 |
|
* |
3511 |
|
* The list of MIDI rules, at least in gig v3, always contains at |
3512 |
|
* most two rules. The second rule can only be the DEF filter |
3513 |
|
* (which currently isn't supported by libgig). |
3514 |
|
* |
3515 |
|
* @param i - MIDI rule number |
3516 |
|
* @returns pointer address to MIDI rule number i or NULL if there is none |
3517 |
|
*/ |
3518 |
|
MidiRule* Instrument::GetMidiRule(int i) { |
3519 |
|
return pMidiRules[i]; |
3520 |
|
} |
3521 |
|
|
3522 |
|
/** |
3523 |
|
* Adds the "controller trigger" MIDI rule to the instrument. |
3524 |
|
* |
3525 |
|
* @returns the new MIDI rule |
3526 |
|
*/ |
3527 |
|
MidiRuleCtrlTrigger* Instrument::AddMidiRuleCtrlTrigger() { |
3528 |
|
delete pMidiRules[0]; |
3529 |
|
MidiRuleCtrlTrigger* r = new MidiRuleCtrlTrigger; |
3530 |
|
pMidiRules[0] = r; |
3531 |
|
pMidiRules[1] = 0; |
3532 |
|
return r; |
3533 |
|
} |
3534 |
|
|
3535 |
|
/** |
3536 |
|
* Adds the legato MIDI rule to the instrument. |
3537 |
|
* |
3538 |
|
* @returns the new MIDI rule |
3539 |
|
*/ |
3540 |
|
MidiRuleLegato* Instrument::AddMidiRuleLegato() { |
3541 |
|
delete pMidiRules[0]; |
3542 |
|
MidiRuleLegato* r = new MidiRuleLegato; |
3543 |
|
pMidiRules[0] = r; |
3544 |
|
pMidiRules[1] = 0; |
3545 |
|
return r; |
3546 |
|
} |
3547 |
|
|
3548 |
|
/** |
3549 |
|
* Adds the alternator MIDI rule to the instrument. |
3550 |
|
* |
3551 |
|
* @returns the new MIDI rule |
3552 |
|
*/ |
3553 |
|
MidiRuleAlternator* Instrument::AddMidiRuleAlternator() { |
3554 |
|
delete pMidiRules[0]; |
3555 |
|
MidiRuleAlternator* r = new MidiRuleAlternator; |
3556 |
|
pMidiRules[0] = r; |
3557 |
|
pMidiRules[1] = 0; |
3558 |
|
return r; |
3559 |
|
} |
3560 |
|
|
3561 |
|
/** |
3562 |
|
* Deletes a MIDI rule from the instrument. |
3563 |
|
* |
3564 |
|
* @param i - MIDI rule number |
3565 |
|
*/ |
3566 |
|
void Instrument::DeleteMidiRule(int i) { |
3567 |
|
delete pMidiRules[i]; |
3568 |
|
pMidiRules[i] = 0; |
3569 |
|
} |
3570 |
|
|
3571 |
|
/** |
3572 |
|
* Make a (semi) deep copy of the Instrument object given by @a orig |
3573 |
|
* and assign it to this object. |
3574 |
|
* |
3575 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
3576 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
3577 |
|
* |
3578 |
|
* @param orig - original Instrument object to be copied from |
3579 |
|
*/ |
3580 |
|
void Instrument::CopyAssign(const Instrument* orig) { |
3581 |
|
CopyAssign(orig, NULL); |
3582 |
|
} |
3583 |
|
|
3584 |
|
/** |
3585 |
|
* Make a (semi) deep copy of the Instrument object given by @a orig |
3586 |
|
* and assign it to this object. |
3587 |
|
* |
3588 |
|
* @param orig - original Instrument object to be copied from |
3589 |
|
* @param mSamples - crosslink map between the foreign file's samples and |
3590 |
|
* this file's samples |
3591 |
|
*/ |
3592 |
|
void Instrument::CopyAssign(const Instrument* orig, const std::map<Sample*,Sample*>* mSamples) { |
3593 |
|
// handle base class |
3594 |
|
// (without copying DLS region stuff) |
3595 |
|
DLS::Instrument::CopyAssignCore(orig); |
3596 |
|
|
3597 |
|
// handle own member variables |
3598 |
|
Attenuation = orig->Attenuation; |
3599 |
|
EffectSend = orig->EffectSend; |
3600 |
|
FineTune = orig->FineTune; |
3601 |
|
PitchbendRange = orig->PitchbendRange; |
3602 |
|
PianoReleaseMode = orig->PianoReleaseMode; |
3603 |
|
DimensionKeyRange = orig->DimensionKeyRange; |
3604 |
|
|
3605 |
|
// free old midi rules |
3606 |
|
for (int i = 0 ; pMidiRules[i] ; i++) { |
3607 |
|
delete pMidiRules[i]; |
3608 |
|
} |
3609 |
|
//TODO: MIDI rule copying |
3610 |
|
pMidiRules[0] = NULL; |
3611 |
|
|
3612 |
|
// delete all old regions |
3613 |
|
while (Regions) DeleteRegion(GetFirstRegion()); |
3614 |
|
// create new regions and copy them from original |
3615 |
|
{ |
3616 |
|
RegionList::const_iterator it = orig->pRegions->begin(); |
3617 |
|
for (int i = 0; i < orig->Regions; ++i, ++it) { |
3618 |
|
Region* dstRgn = AddRegion(); |
3619 |
|
//NOTE: Region does semi-deep copy ! |
3620 |
|
dstRgn->CopyAssign( |
3621 |
|
static_cast<gig::Region*>(*it), |
3622 |
|
mSamples |
3623 |
|
); |
3624 |
|
} |
3625 |
|
} |
3626 |
|
|
3627 |
|
UpdateRegionKeyTable(); |
3628 |
|
} |
3629 |
|
|
3630 |
|
|
3631 |
// *************** Group *************** |
// *************** Group *************** |
3665 |
} |
} |
3666 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
3667 |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
3668 |
|
|
3669 |
|
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major == 3) { |
3670 |
|
// v3 has a fixed list of 128 strings, find a free one |
3671 |
|
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
3672 |
|
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
3673 |
|
pNameChunk = ck; |
3674 |
|
break; |
3675 |
|
} |
3676 |
|
} |
3677 |
|
} |
3678 |
|
|
3679 |
// 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 |
3680 |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
3681 |
} |
} |
3751 |
// *************** File *************** |
// *************** File *************** |
3752 |
// * |
// * |
3753 |
|
|
3754 |
// File version 2.0, 1998-06-28 |
/// Reflects Gigasampler file format version 2.0 (1998-06-28). |
3755 |
const DLS::version_t File::VERSION_2 = { |
const DLS::version_t File::VERSION_2 = { |
3756 |
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
3757 |
}; |
}; |
3758 |
|
|
3759 |
// File version 3.0, 2003-03-31 |
/// Reflects Gigasampler file format version 3.0 (2003-03-31). |
3760 |
const DLS::version_t File::VERSION_3 = { |
const DLS::version_t File::VERSION_3 = { |
3761 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
3762 |
}; |
}; |
3763 |
|
|
3764 |
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
3765 |
{ CHUNK_ID_IARL, 256 }, |
{ CHUNK_ID_IARL, 256 }, |
3766 |
{ CHUNK_ID_IART, 128 }, |
{ CHUNK_ID_IART, 128 }, |
3767 |
{ CHUNK_ID_ICMS, 128 }, |
{ CHUNK_ID_ICMS, 128 }, |
3783 |
}; |
}; |
3784 |
|
|
3785 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3786 |
|
bAutoLoad = true; |
3787 |
|
*pVersion = VERSION_3; |
3788 |
pGroups = NULL; |
pGroups = NULL; |
3789 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3790 |
pInfo->ArchivalLocation = String(256, ' '); |
pInfo->ArchivalLocation = String(256, ' '); |
3791 |
|
|
3792 |
// add some mandatory chunks to get the file chunks in right |
// add some mandatory chunks to get the file chunks in right |
3799 |
} |
} |
3800 |
|
|
3801 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
3802 |
|
bAutoLoad = true; |
3803 |
pGroups = NULL; |
pGroups = NULL; |
3804 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3805 |
} |
} |
3806 |
|
|
3807 |
File::~File() { |
File::~File() { |
3828 |
SamplesIterator++; |
SamplesIterator++; |
3829 |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
3830 |
} |
} |
3831 |
|
|
3832 |
|
/** |
3833 |
|
* Returns Sample object of @a index. |
3834 |
|
* |
3835 |
|
* @returns sample object or NULL if index is out of bounds |
3836 |
|
*/ |
3837 |
|
Sample* File::GetSample(uint index) { |
3838 |
|
if (!pSamples) LoadSamples(); |
3839 |
|
if (!pSamples) return NULL; |
3840 |
|
DLS::File::SampleList::iterator it = pSamples->begin(); |
3841 |
|
for (int i = 0; i < index; ++i) { |
3842 |
|
++it; |
3843 |
|
if (it == pSamples->end()) return NULL; |
3844 |
|
} |
3845 |
|
if (it == pSamples->end()) return NULL; |
3846 |
|
return static_cast<gig::Sample*>( *it ); |
3847 |
|
} |
3848 |
|
|
3849 |
/** @brief Add a new sample. |
/** @brief Add a new sample. |
3850 |
* |
* |
3871 |
|
|
3872 |
/** @brief Delete a sample. |
/** @brief Delete a sample. |
3873 |
* |
* |
3874 |
* 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 |
3875 |
* to call Save() to make this persistent to the file. |
* references to this sample from Regions and DimensionRegions will be |
3876 |
|
* removed. You have to call Save() to make this persistent to the file. |
3877 |
* |
* |
3878 |
* @param pSample - sample to delete |
* @param pSample - sample to delete |
3879 |
* @throws gig::Exception if given sample could not be found |
* @throws gig::Exception if given sample could not be found |
3885 |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
3886 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3887 |
delete pSample; |
delete pSample; |
3888 |
|
|
3889 |
|
SampleList::iterator tmp = SamplesIterator; |
3890 |
|
// remove all references to the sample |
3891 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3892 |
|
instrument = GetNextInstrument()) { |
3893 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3894 |
|
region = instrument->GetNextRegion()) { |
3895 |
|
|
3896 |
|
if (region->GetSample() == pSample) region->SetSample(NULL); |
3897 |
|
|
3898 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3899 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3900 |
|
if (d->pSample == pSample) d->pSample = NULL; |
3901 |
|
} |
3902 |
|
} |
3903 |
|
} |
3904 |
|
SamplesIterator = tmp; // restore iterator |
3905 |
} |
} |
3906 |
|
|
3907 |
void File::LoadSamples() { |
void File::LoadSamples() { |
3992 |
progress_t subprogress; |
progress_t subprogress; |
3993 |
__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 |
3994 |
__notify_progress(&subprogress, 0.0f); |
__notify_progress(&subprogress, 0.0f); |
3995 |
GetFirstSample(&subprogress); // now force all samples to be loaded |
if (GetAutoLoad()) |
3996 |
|
GetFirstSample(&subprogress); // now force all samples to be loaded |
3997 |
__notify_progress(&subprogress, 1.0f); |
__notify_progress(&subprogress, 1.0f); |
3998 |
|
|
3999 |
// instrument loading subtask |
// instrument loading subtask |
4042 |
pInstruments->push_back(pInstrument); |
pInstruments->push_back(pInstrument); |
4043 |
return pInstrument; |
return pInstrument; |
4044 |
} |
} |
4045 |
|
|
4046 |
|
/** @brief Add a duplicate of an existing instrument. |
4047 |
|
* |
4048 |
|
* Duplicates the instrument definition given by @a orig and adds it |
4049 |
|
* to this file. This allows in an instrument editor application to |
4050 |
|
* easily create variations of an instrument, which will be stored in |
4051 |
|
* the same .gig file, sharing i.e. the same samples. |
4052 |
|
* |
4053 |
|
* Note that all sample pointers referenced by @a orig are simply copied as |
4054 |
|
* memory address. Thus the respective samples are shared, not duplicated! |
4055 |
|
* |
4056 |
|
* You have to call Save() to make this persistent to the file. |
4057 |
|
* |
4058 |
|
* @param orig - original instrument to be copied |
4059 |
|
* @returns duplicated copy of the given instrument |
4060 |
|
*/ |
4061 |
|
Instrument* File::AddDuplicateInstrument(const Instrument* orig) { |
4062 |
|
Instrument* instr = AddInstrument(); |
4063 |
|
instr->CopyAssign(orig); |
4064 |
|
return instr; |
4065 |
|
} |
4066 |
|
|
4067 |
|
/** @brief Add content of another existing file. |
4068 |
|
* |
4069 |
|
* Duplicates the samples, groups and instruments of the original file |
4070 |
|
* given by @a pFile and adds them to @c this File. In case @c this File is |
4071 |
|
* a new one that you haven't saved before, then you have to call |
4072 |
|
* SetFileName() before calling AddContentOf(), because this method will |
4073 |
|
* automatically save this file during operation, which is required for |
4074 |
|
* writing the sample waveform data by disk streaming. |
4075 |
|
* |
4076 |
|
* @param pFile - original file whose's content shall be copied from |
4077 |
|
*/ |
4078 |
|
void File::AddContentOf(File* pFile) { |
4079 |
|
static int iCallCount = -1; |
4080 |
|
iCallCount++; |
4081 |
|
std::map<Group*,Group*> mGroups; |
4082 |
|
std::map<Sample*,Sample*> mSamples; |
4083 |
|
|
4084 |
|
// clone sample groups |
4085 |
|
for (int i = 0; pFile->GetGroup(i); ++i) { |
4086 |
|
Group* g = AddGroup(); |
4087 |
|
g->Name = |
4088 |
|
"COPY" + ToString(iCallCount) + "_" + pFile->GetGroup(i)->Name; |
4089 |
|
mGroups[pFile->GetGroup(i)] = g; |
4090 |
|
} |
4091 |
|
|
4092 |
|
// clone samples (not waveform data here yet) |
4093 |
|
for (int i = 0; pFile->GetSample(i); ++i) { |
4094 |
|
Sample* s = AddSample(); |
4095 |
|
s->CopyAssignMeta(pFile->GetSample(i)); |
4096 |
|
mGroups[pFile->GetSample(i)->GetGroup()]->AddSample(s); |
4097 |
|
mSamples[pFile->GetSample(i)] = s; |
4098 |
|
} |
4099 |
|
|
4100 |
|
//BUG: For some reason this method only works with this additional |
4101 |
|
// Save() call in between here. |
4102 |
|
// |
4103 |
|
// Important: The correct one of the 2 Save() methods has to be called |
4104 |
|
// here, depending on whether the file is completely new or has been |
4105 |
|
// saved to disk already, otherwise it will result in data corruption. |
4106 |
|
if (pRIFF->IsNew()) |
4107 |
|
Save(GetFileName()); |
4108 |
|
else |
4109 |
|
Save(); |
4110 |
|
|
4111 |
|
// clone instruments |
4112 |
|
// (passing the crosslink table here for the cloned samples) |
4113 |
|
for (int i = 0; pFile->GetInstrument(i); ++i) { |
4114 |
|
Instrument* instr = AddInstrument(); |
4115 |
|
instr->CopyAssign(pFile->GetInstrument(i), &mSamples); |
4116 |
|
} |
4117 |
|
|
4118 |
|
// Mandatory: file needs to be saved to disk at this point, so this |
4119 |
|
// file has the correct size and data layout for writing the samples' |
4120 |
|
// waveform data to disk. |
4121 |
|
Save(); |
4122 |
|
|
4123 |
|
// clone samples' waveform data |
4124 |
|
// (using direct read & write disk streaming) |
4125 |
|
for (int i = 0; pFile->GetSample(i); ++i) { |
4126 |
|
mSamples[pFile->GetSample(i)]->CopyAssignWave(pFile->GetSample(i)); |
4127 |
|
} |
4128 |
|
} |
4129 |
|
|
4130 |
/** @brief Delete an instrument. |
/** @brief Delete an instrument. |
4131 |
* |
* |
4291 |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
4292 |
while (ck) { |
while (ck) { |
4293 |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
4294 |
|
if (pVersion && pVersion->major == 3 && |
4295 |
|
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
4296 |
|
|
4297 |
pGroups->push_back(new Group(this, ck)); |
pGroups->push_back(new Group(this, ck)); |
4298 |
} |
} |
4299 |
ck = lst3gnl->GetNextSubChunk(); |
ck = lst3gnl->GetNextSubChunk(); |
4338 |
|
|
4339 |
// update group's chunks |
// update group's chunks |
4340 |
if (pGroups) { |
if (pGroups) { |
4341 |
|
// make sure '3gri' and '3gnl' list chunks exist |
4342 |
|
// (before updating the Group chunks) |
4343 |
|
RIFF::List* _3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
4344 |
|
if (!_3gri) { |
4345 |
|
_3gri = pRIFF->AddSubList(LIST_TYPE_3GRI); |
4346 |
|
pRIFF->MoveSubChunk(_3gri, pRIFF->GetSubChunk(CHUNK_ID_PTBL)); |
4347 |
|
} |
4348 |
|
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
4349 |
|
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
4350 |
|
|
4351 |
|
// v3: make sure the file has 128 3gnm chunks |
4352 |
|
// (before updating the Group chunks) |
4353 |
|
if (pVersion && pVersion->major == 3) { |
4354 |
|
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
4355 |
|
for (int i = 0 ; i < 128 ; i++) { |
4356 |
|
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
4357 |
|
if (_3gnm) _3gnm = _3gnl->GetNextSubChunk(); |
4358 |
|
} |
4359 |
|
} |
4360 |
|
|
4361 |
std::list<Group*>::iterator iter = pGroups->begin(); |
std::list<Group*>::iterator iter = pGroups->begin(); |
4362 |
std::list<Group*>::iterator end = pGroups->end(); |
std::list<Group*>::iterator end = pGroups->end(); |
4363 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
4406 |
int totnbusedchannels = 0; |
int totnbusedchannels = 0; |
4407 |
int totnbregions = 0; |
int totnbregions = 0; |
4408 |
int totnbdimregions = 0; |
int totnbdimregions = 0; |
4409 |
|
int totnbloops = 0; |
4410 |
int instrumentIdx = 0; |
int instrumentIdx = 0; |
4411 |
|
|
4412 |
memset(&pData[48], 0, sublen - 48); |
memset(&pData[48], 0, sublen - 48); |
4416 |
int nbusedsamples = 0; |
int nbusedsamples = 0; |
4417 |
int nbusedchannels = 0; |
int nbusedchannels = 0; |
4418 |
int nbdimregions = 0; |
int nbdimregions = 0; |
4419 |
|
int nbloops = 0; |
4420 |
|
|
4421 |
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
4422 |
|
|
4440 |
} |
} |
4441 |
} |
} |
4442 |
} |
} |
4443 |
|
if (d->SampleLoops) nbloops++; |
4444 |
} |
} |
4445 |
nbdimregions += region->DimensionRegions; |
nbdimregions += region->DimensionRegions; |
4446 |
} |
} |
4451 |
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
4452 |
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
4453 |
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
4454 |
// next 12 bytes unknown |
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
4455 |
|
// next 8 bytes unknown |
4456 |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
4457 |
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
4458 |
// next 4 bytes unknown |
// next 4 bytes unknown |
4459 |
|
|
4460 |
totnbregions += instrument->Regions; |
totnbregions += instrument->Regions; |
4461 |
totnbdimregions += nbdimregions; |
totnbdimregions += nbdimregions; |
4462 |
|
totnbloops += nbloops; |
4463 |
instrumentIdx++; |
instrumentIdx++; |
4464 |
} |
} |
4465 |
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
4469 |
store32(&pData[12], Instruments); |
store32(&pData[12], Instruments); |
4470 |
store32(&pData[16], totnbregions); |
store32(&pData[16], totnbregions); |
4471 |
store32(&pData[20], totnbdimregions); |
store32(&pData[20], totnbdimregions); |
4472 |
// next 12 bytes unknown |
store32(&pData[24], totnbloops); |
4473 |
// next 4 bytes unknown, always 0? |
// next 8 bytes unknown |
4474 |
|
// next 4 bytes unknown, not always 0 |
4475 |
store32(&pData[40], pSamples->size()); |
store32(&pData[40], pSamples->size()); |
4476 |
// next 4 bytes unknown |
// next 4 bytes unknown |
4477 |
} |
} |
4488 |
} else if (newFile) { |
} else if (newFile) { |
4489 |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
4490 |
_3crc->LoadChunkData(); |
_3crc->LoadChunkData(); |
4491 |
|
|
4492 |
|
// the order of einf and 3crc is not the same in v2 and v3 |
4493 |
|
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
4494 |
} |
} |
4495 |
} |
} |
4496 |
|
|
4497 |
|
/** |
4498 |
|
* Enable / disable automatic loading. By default this properyt is |
4499 |
|
* enabled and all informations are loaded automatically. However |
4500 |
|
* loading all Regions, DimensionRegions and especially samples might |
4501 |
|
* take a long time for large .gig files, and sometimes one might only |
4502 |
|
* be interested in retrieving very superficial informations like the |
4503 |
|
* amount of instruments and their names. In this case one might disable |
4504 |
|
* automatic loading to avoid very slow response times. |
4505 |
|
* |
4506 |
|
* @e CAUTION: by disabling this property many pointers (i.e. sample |
4507 |
|
* references) and informations will have invalid or even undefined |
4508 |
|
* data! This feature is currently only intended for retrieving very |
4509 |
|
* superficial informations in a very fast way. Don't use it to retrieve |
4510 |
|
* details like synthesis informations or even to modify .gig files! |
4511 |
|
*/ |
4512 |
|
void File::SetAutoLoad(bool b) { |
4513 |
|
bAutoLoad = b; |
4514 |
|
} |
4515 |
|
|
4516 |
|
/** |
4517 |
|
* Returns whether automatic loading is enabled. |
4518 |
|
* @see SetAutoLoad() |
4519 |
|
*/ |
4520 |
|
bool File::GetAutoLoad() { |
4521 |
|
return bAutoLoad; |
4522 |
|
} |
4523 |
|
|
4524 |
|
|
4525 |
|
|
4526 |
// *************** Exception *************** |
// *************** Exception *************** |