1 |
/*************************************************************************** |
/*************************************************************************** |
2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2005 by Christian Schoenebeck * |
* Copyright (C) 2003-2007 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 * |
254 |
} |
} |
255 |
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256 |
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257 |
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258 |
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// *************** Other Internal functions *************** |
259 |
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// * |
260 |
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261 |
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static split_type_t __resolveSplitType(dimension_t dimension) { |
262 |
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return ( |
263 |
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dimension == dimension_layer || |
264 |
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dimension == dimension_samplechannel || |
265 |
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dimension == dimension_releasetrigger || |
266 |
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dimension == dimension_keyboard || |
267 |
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dimension == dimension_roundrobin || |
268 |
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dimension == dimension_random || |
269 |
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dimension == dimension_smartmidi || |
270 |
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dimension == dimension_roundrobinkeyboard |
271 |
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) ? split_type_bit : split_type_normal; |
272 |
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} |
273 |
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274 |
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static int __resolveZoneSize(dimension_def_t& dimension_definition) { |
275 |
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return (dimension_definition.split_type == split_type_normal) |
276 |
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? int(128.0 / dimension_definition.zones) : 0; |
277 |
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} |
278 |
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279 |
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280 |
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281 |
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// *************** CRC *************** |
282 |
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// * |
283 |
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284 |
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const uint32_t* CRC::table(initTable()); |
285 |
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286 |
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uint32_t* CRC::initTable() { |
287 |
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uint32_t* res = new uint32_t[256]; |
288 |
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289 |
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for (int i = 0 ; i < 256 ; i++) { |
290 |
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uint32_t c = i; |
291 |
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for (int j = 0 ; j < 8 ; j++) { |
292 |
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c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
293 |
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} |
294 |
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res[i] = c; |
295 |
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} |
296 |
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return res; |
297 |
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} |
298 |
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299 |
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300 |
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301 |
// *************** Sample *************** |
// *************** Sample *************** |
302 |
// * |
// * |
303 |
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323 |
* is located, 0 otherwise |
* is located, 0 otherwise |
324 |
*/ |
*/ |
325 |
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) { |
326 |
pInfo->UseFixedLengthStrings = true; |
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
327 |
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{ CHUNK_ID_INAM, 64 }, |
328 |
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{ 0, 0 } |
329 |
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}; |
330 |
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pInfo->FixedStringLengths = fixedStringLengths; |
331 |
Instances++; |
Instances++; |
332 |
FileNo = fileNo; |
FileNo = fileNo; |
333 |
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334 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
335 |
if (pCk3gix) { |
if (pCk3gix) { |
336 |
SampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
337 |
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pGroup = pFile->GetGroup(iSampleGroup); |
338 |
} else { // '3gix' chunk missing |
} else { // '3gix' chunk missing |
339 |
// use default value(s) |
// by default assigned to that mandatory "Default Group" |
340 |
SampleGroup = 0; |
pGroup = pFile->GetGroup(0); |
341 |
} |
} |
342 |
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|
343 |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
361 |
// use default values |
// use default values |
362 |
Manufacturer = 0; |
Manufacturer = 0; |
363 |
Product = 0; |
Product = 0; |
364 |
SamplePeriod = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
365 |
MIDIUnityNote = 64; |
MIDIUnityNote = 60; |
366 |
FineTune = 0; |
FineTune = 0; |
367 |
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SMPTEFormat = smpte_format_no_offset; |
368 |
SMPTEOffset = 0; |
SMPTEOffset = 0; |
369 |
Loops = 0; |
Loops = 0; |
370 |
LoopID = 0; |
LoopID = 0; |
371 |
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LoopType = loop_type_normal; |
372 |
LoopStart = 0; |
LoopStart = 0; |
373 |
LoopEnd = 0; |
LoopEnd = 0; |
374 |
LoopFraction = 0; |
LoopFraction = 0; |
414 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
415 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
416 |
* |
* |
417 |
* @throws DLS::Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws DLS::Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
418 |
* was provided yet |
* was provided yet |
419 |
* @throws gig::Exception if there is any invalid sample setting |
* @throws gig::Exception if there is any invalid sample setting |
420 |
*/ |
*/ |
424 |
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425 |
// make sure 'smpl' chunk exists |
// make sure 'smpl' chunk exists |
426 |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
427 |
if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
if (!pCkSmpl) { |
428 |
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pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
429 |
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memset(pCkSmpl->LoadChunkData(), 0, 60); |
430 |
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} |
431 |
// update 'smpl' chunk |
// update 'smpl' chunk |
432 |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
433 |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
434 |
memcpy(&pData[0], &Manufacturer, 4); |
store32(&pData[0], Manufacturer); |
435 |
memcpy(&pData[4], &Product, 4); |
store32(&pData[4], Product); |
436 |
memcpy(&pData[8], &SamplePeriod, 4); |
store32(&pData[8], SamplePeriod); |
437 |
memcpy(&pData[12], &MIDIUnityNote, 4); |
store32(&pData[12], MIDIUnityNote); |
438 |
memcpy(&pData[16], &FineTune, 4); |
store32(&pData[16], FineTune); |
439 |
memcpy(&pData[20], &SMPTEFormat, 4); |
store32(&pData[20], SMPTEFormat); |
440 |
memcpy(&pData[24], &SMPTEOffset, 4); |
store32(&pData[24], SMPTEOffset); |
441 |
memcpy(&pData[28], &Loops, 4); |
store32(&pData[28], Loops); |
442 |
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443 |
// we skip 'manufByt' for now (4 bytes) |
// we skip 'manufByt' for now (4 bytes) |
444 |
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445 |
memcpy(&pData[36], &LoopID, 4); |
store32(&pData[36], LoopID); |
446 |
memcpy(&pData[40], &LoopType, 4); |
store32(&pData[40], LoopType); |
447 |
memcpy(&pData[44], &LoopStart, 4); |
store32(&pData[44], LoopStart); |
448 |
memcpy(&pData[48], &LoopEnd, 4); |
store32(&pData[48], LoopEnd); |
449 |
memcpy(&pData[52], &LoopFraction, 4); |
store32(&pData[52], LoopFraction); |
450 |
memcpy(&pData[56], &LoopPlayCount, 4); |
store32(&pData[56], LoopPlayCount); |
451 |
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|
452 |
// make sure '3gix' chunk exists |
// make sure '3gix' chunk exists |
453 |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
454 |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
455 |
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// determine appropriate sample group index (to be stored in chunk) |
456 |
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uint16_t iSampleGroup = 0; // 0 refers to default sample group |
457 |
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File* pFile = static_cast<File*>(pParent); |
458 |
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if (pFile->pGroups) { |
459 |
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std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
460 |
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std::list<Group*>::iterator end = pFile->pGroups->end(); |
461 |
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for (int i = 0; iter != end; i++, iter++) { |
462 |
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if (*iter == pGroup) { |
463 |
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iSampleGroup = i; |
464 |
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break; // found |
465 |
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} |
466 |
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} |
467 |
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} |
468 |
// update '3gix' chunk |
// update '3gix' chunk |
469 |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
470 |
memcpy(&pData[0], &SampleGroup, 2); |
store16(&pData[0], iSampleGroup); |
471 |
} |
} |
472 |
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473 |
/// 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). |
688 |
* enlarged samples before calling File::Save() as this might exceed the |
* enlarged samples before calling File::Save() as this might exceed the |
689 |
* current sample's boundary! |
* current sample's boundary! |
690 |
* |
* |
691 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
692 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
693 |
* other formats will fail! |
* other formats will fail! |
694 |
* |
* |
695 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
696 |
* greater than zero) |
* greater than zero) |
697 |
* @throws DLS::Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
698 |
* or if \a iNewSize is less than 1 |
* or if \a iNewSize is less than 1 |
699 |
* @throws gig::Exception if existing sample is compressed |
* @throws gig::Exception if existing sample is compressed |
700 |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
1160 |
*/ |
*/ |
1161 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
1162 |
if (Compressed) throw gig::Exception("There is no support for writing compressed gig samples (yet)"); |
if (Compressed) throw gig::Exception("There is no support for writing compressed gig samples (yet)"); |
1163 |
return DLS::Sample::Write(pBuffer, SampleCount); |
|
1164 |
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// if this is the first write in this sample, reset the |
1165 |
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// checksum calculator |
1166 |
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if (pCkData->GetPos() == 0) { |
1167 |
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crc.reset(); |
1168 |
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} |
1169 |
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unsigned long res = DLS::Sample::Write(pBuffer, SampleCount); |
1170 |
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crc.update((unsigned char *)pBuffer, SampleCount * FrameSize); |
1171 |
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1172 |
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// if this is the last write, update the checksum chunk in the |
1173 |
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// file |
1174 |
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if (pCkData->GetPos() == pCkData->GetSize()) { |
1175 |
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File* pFile = static_cast<File*>(GetParent()); |
1176 |
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pFile->SetSampleChecksum(this, crc.getValue()); |
1177 |
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} |
1178 |
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return res; |
1179 |
} |
} |
1180 |
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1181 |
/** |
/** |
1220 |
} |
} |
1221 |
} |
} |
1222 |
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1223 |
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/** |
1224 |
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* Returns pointer to the Group this Sample belongs to. In the .gig |
1225 |
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* format a sample always belongs to one group. If it wasn't explicitly |
1226 |
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* assigned to a certain group, it will be automatically assigned to a |
1227 |
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* default group. |
1228 |
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* |
1229 |
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* @returns Sample's Group (never NULL) |
1230 |
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*/ |
1231 |
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Group* Sample::GetGroup() const { |
1232 |
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return pGroup; |
1233 |
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} |
1234 |
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1235 |
Sample::~Sample() { |
Sample::~Sample() { |
1236 |
Instances--; |
Instances--; |
1237 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
1406 |
if (lfo3ctrl & 0x40) // bit 6 |
if (lfo3ctrl & 0x40) // bit 6 |
1407 |
VCFType = vcf_type_lowpassturbo; |
VCFType = vcf_type_lowpassturbo; |
1408 |
} |
} |
1409 |
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if (_3ewa->RemainingBytes() >= 8) { |
1410 |
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_3ewa->Read(DimensionUpperLimits, 1, 8); |
1411 |
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} else { |
1412 |
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memset(DimensionUpperLimits, 0, 8); |
1413 |
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} |
1414 |
} else { // '3ewa' chunk does not exist yet |
} else { // '3ewa' chunk does not exist yet |
1415 |
// use default values |
// use default values |
1416 |
LFO3Frequency = 1.0; |
LFO3Frequency = 1.0; |
1420 |
LFO1ControlDepth = 0; |
LFO1ControlDepth = 0; |
1421 |
LFO3ControlDepth = 0; |
LFO3ControlDepth = 0; |
1422 |
EG1Attack = 0.0; |
EG1Attack = 0.0; |
1423 |
EG1Decay1 = 0.0; |
EG1Decay1 = 0.005; |
1424 |
EG1Sustain = 0; |
EG1Sustain = 1000; |
1425 |
EG1Release = 0.0; |
EG1Release = 0.3; |
1426 |
EG1Controller.type = eg1_ctrl_t::type_none; |
EG1Controller.type = eg1_ctrl_t::type_none; |
1427 |
EG1Controller.controller_number = 0; |
EG1Controller.controller_number = 0; |
1428 |
EG1ControllerInvert = false; |
EG1ControllerInvert = false; |
1437 |
EG2ControllerReleaseInfluence = 0; |
EG2ControllerReleaseInfluence = 0; |
1438 |
LFO1Frequency = 1.0; |
LFO1Frequency = 1.0; |
1439 |
EG2Attack = 0.0; |
EG2Attack = 0.0; |
1440 |
EG2Decay1 = 0.0; |
EG2Decay1 = 0.005; |
1441 |
EG2Sustain = 0; |
EG2Sustain = 1000; |
1442 |
EG2Release = 0.0; |
EG2Release = 0.3; |
1443 |
LFO2ControlDepth = 0; |
LFO2ControlDepth = 0; |
1444 |
LFO2Frequency = 1.0; |
LFO2Frequency = 1.0; |
1445 |
LFO2InternalDepth = 0; |
LFO2InternalDepth = 0; |
1446 |
EG1Decay2 = 0.0; |
EG1Decay2 = 0.0; |
1447 |
EG1InfiniteSustain = false; |
EG1InfiniteSustain = true; |
1448 |
EG1PreAttack = 1000; |
EG1PreAttack = 0; |
1449 |
EG2Decay2 = 0.0; |
EG2Decay2 = 0.0; |
1450 |
EG2InfiniteSustain = false; |
EG2InfiniteSustain = true; |
1451 |
EG2PreAttack = 1000; |
EG2PreAttack = 0; |
1452 |
VelocityResponseCurve = curve_type_nonlinear; |
VelocityResponseCurve = curve_type_nonlinear; |
1453 |
VelocityResponseDepth = 3; |
VelocityResponseDepth = 3; |
1454 |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
1491 |
VCFVelocityDynamicRange = 0x04; |
VCFVelocityDynamicRange = 0x04; |
1492 |
VCFVelocityCurve = curve_type_linear; |
VCFVelocityCurve = curve_type_linear; |
1493 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1494 |
|
memset(DimensionUpperLimits, 0, 8); |
1495 |
} |
} |
1496 |
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|
1497 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1547 |
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|
1548 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1549 |
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|
1550 |
const uint32_t unknown = _3ewa->GetSize(); // unknown, always chunk size ? |
const uint32_t chunksize = _3ewa->GetNewSize(); |
1551 |
memcpy(&pData[0], &unknown, 4); |
store32(&pData[0], chunksize); // unknown, always chunk size? |
1552 |
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|
1553 |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
1554 |
memcpy(&pData[4], &lfo3freq, 4); |
store32(&pData[4], lfo3freq); |
1555 |
|
|
1556 |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
1557 |
memcpy(&pData[8], &eg3attack, 4); |
store32(&pData[8], eg3attack); |
1558 |
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|
1559 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1560 |
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|
1561 |
memcpy(&pData[14], &LFO1InternalDepth, 2); |
store16(&pData[14], LFO1InternalDepth); |
1562 |
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|
1563 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1564 |
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|
1565 |
memcpy(&pData[18], &LFO3InternalDepth, 2); |
store16(&pData[18], LFO3InternalDepth); |
1566 |
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|
1567 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1568 |
|
|
1569 |
memcpy(&pData[22], &LFO1ControlDepth, 2); |
store16(&pData[22], LFO1ControlDepth); |
1570 |
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|
1571 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1572 |
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|
1573 |
memcpy(&pData[26], &LFO3ControlDepth, 2); |
store16(&pData[26], LFO3ControlDepth); |
1574 |
|
|
1575 |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
1576 |
memcpy(&pData[28], &eg1attack, 4); |
store32(&pData[28], eg1attack); |
1577 |
|
|
1578 |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
1579 |
memcpy(&pData[32], &eg1decay1, 4); |
store32(&pData[32], eg1decay1); |
1580 |
|
|
1581 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1582 |
|
|
1583 |
memcpy(&pData[38], &EG1Sustain, 2); |
store16(&pData[38], EG1Sustain); |
1584 |
|
|
1585 |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
1586 |
memcpy(&pData[40], &eg1release, 4); |
store32(&pData[40], eg1release); |
1587 |
|
|
1588 |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
1589 |
memcpy(&pData[44], &eg1ctl, 1); |
pData[44] = eg1ctl; |
1590 |
|
|
1591 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1592 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
1593 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1594 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1595 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1596 |
memcpy(&pData[45], &eg1ctrloptions, 1); |
pData[45] = eg1ctrloptions; |
1597 |
|
|
1598 |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
1599 |
memcpy(&pData[46], &eg2ctl, 1); |
pData[46] = eg2ctl; |
1600 |
|
|
1601 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1602 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
1603 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1604 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1605 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1606 |
memcpy(&pData[47], &eg2ctrloptions, 1); |
pData[47] = eg2ctrloptions; |
1607 |
|
|
1608 |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
1609 |
memcpy(&pData[48], &lfo1freq, 4); |
store32(&pData[48], lfo1freq); |
1610 |
|
|
1611 |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
1612 |
memcpy(&pData[52], &eg2attack, 4); |
store32(&pData[52], eg2attack); |
1613 |
|
|
1614 |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
1615 |
memcpy(&pData[56], &eg2decay1, 4); |
store32(&pData[56], eg2decay1); |
1616 |
|
|
1617 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1618 |
|
|
1619 |
memcpy(&pData[62], &EG2Sustain, 2); |
store16(&pData[62], EG2Sustain); |
1620 |
|
|
1621 |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
1622 |
memcpy(&pData[64], &eg2release, 4); |
store32(&pData[64], eg2release); |
1623 |
|
|
1624 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1625 |
|
|
1626 |
memcpy(&pData[70], &LFO2ControlDepth, 2); |
store16(&pData[70], LFO2ControlDepth); |
1627 |
|
|
1628 |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
1629 |
memcpy(&pData[72], &lfo2freq, 4); |
store32(&pData[72], lfo2freq); |
1630 |
|
|
1631 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1632 |
|
|
1633 |
memcpy(&pData[78], &LFO2InternalDepth, 2); |
store16(&pData[78], LFO2InternalDepth); |
1634 |
|
|
1635 |
const int32_t eg1decay2 = (int32_t) (EG1InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG1Decay2); |
const int32_t eg1decay2 = (int32_t) (EG1InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG1Decay2); |
1636 |
memcpy(&pData[80], &eg1decay2, 4); |
store32(&pData[80], eg1decay2); |
1637 |
|
|
1638 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1639 |
|
|
1640 |
memcpy(&pData[86], &EG1PreAttack, 2); |
store16(&pData[86], EG1PreAttack); |
1641 |
|
|
1642 |
const int32_t eg2decay2 = (int32_t) (EG2InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG2Decay2); |
const int32_t eg2decay2 = (int32_t) (EG2InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG2Decay2); |
1643 |
memcpy(&pData[88], &eg2decay2, 4); |
store32(&pData[88], eg2decay2); |
1644 |
|
|
1645 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1646 |
|
|
1647 |
memcpy(&pData[94], &EG2PreAttack, 2); |
store16(&pData[94], EG2PreAttack); |
1648 |
|
|
1649 |
{ |
{ |
1650 |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
1662 |
default: |
default: |
1663 |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
1664 |
} |
} |
1665 |
memcpy(&pData[96], &velocityresponse, 1); |
pData[96] = velocityresponse; |
1666 |
} |
} |
1667 |
|
|
1668 |
{ |
{ |
1681 |
default: |
default: |
1682 |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
1683 |
} |
} |
1684 |
memcpy(&pData[97], &releasevelocityresponse, 1); |
pData[97] = releasevelocityresponse; |
1685 |
} |
} |
1686 |
|
|
1687 |
memcpy(&pData[98], &VelocityResponseCurveScaling, 1); |
pData[98] = VelocityResponseCurveScaling; |
1688 |
|
|
1689 |
memcpy(&pData[99], &AttenuationControllerThreshold, 1); |
pData[99] = AttenuationControllerThreshold; |
1690 |
|
|
1691 |
// next 4 bytes unknown |
// next 4 bytes unknown |
1692 |
|
|
1693 |
memcpy(&pData[104], &SampleStartOffset, 2); |
store16(&pData[104], SampleStartOffset); |
1694 |
|
|
1695 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1696 |
|
|
1709 |
default: |
default: |
1710 |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
1711 |
} |
} |
1712 |
memcpy(&pData[108], &pitchTrackDimensionBypass, 1); |
pData[108] = pitchTrackDimensionBypass; |
1713 |
} |
} |
1714 |
|
|
1715 |
const uint8_t pan = (Pan >= 0) ? Pan : ((-Pan) + 63); // signed 8 bit -> signed 7 bit |
const uint8_t pan = (Pan >= 0) ? Pan : ((-Pan) + 63); // signed 8 bit -> signed 7 bit |
1716 |
memcpy(&pData[109], &pan, 1); |
pData[109] = pan; |
1717 |
|
|
1718 |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
1719 |
memcpy(&pData[110], &selfmask, 1); |
pData[110] = selfmask; |
1720 |
|
|
1721 |
// next byte unknown |
// next byte unknown |
1722 |
|
|
1725 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
1726 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
1727 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
1728 |
memcpy(&pData[112], &lfo3ctrl, 1); |
pData[112] = lfo3ctrl; |
1729 |
} |
} |
1730 |
|
|
1731 |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
1732 |
memcpy(&pData[113], &attenctl, 1); |
pData[113] = attenctl; |
1733 |
|
|
1734 |
{ |
{ |
1735 |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
1736 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
1737 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
1738 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
1739 |
memcpy(&pData[114], &lfo2ctrl, 1); |
pData[114] = lfo2ctrl; |
1740 |
} |
} |
1741 |
|
|
1742 |
{ |
{ |
1745 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
1746 |
if (VCFResonanceController != vcf_res_ctrl_none) |
if (VCFResonanceController != vcf_res_ctrl_none) |
1747 |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
1748 |
memcpy(&pData[115], &lfo1ctrl, 1); |
pData[115] = lfo1ctrl; |
1749 |
} |
} |
1750 |
|
|
1751 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1752 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1753 |
memcpy(&pData[116], &eg3depth, 1); |
pData[116] = eg3depth; |
1754 |
|
|
1755 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1756 |
|
|
1757 |
const uint8_t channeloffset = ChannelOffset * 4; |
const uint8_t channeloffset = ChannelOffset * 4; |
1758 |
memcpy(&pData[120], &channeloffset, 1); |
pData[120] = channeloffset; |
1759 |
|
|
1760 |
{ |
{ |
1761 |
uint8_t regoptions = 0; |
uint8_t regoptions = 0; |
1762 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
1763 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
1764 |
memcpy(&pData[121], ®options, 1); |
pData[121] = regoptions; |
1765 |
} |
} |
1766 |
|
|
1767 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1768 |
|
|
1769 |
memcpy(&pData[124], &VelocityUpperLimit, 1); |
pData[124] = VelocityUpperLimit; |
1770 |
|
|
1771 |
// next 3 bytes unknown |
// next 3 bytes unknown |
1772 |
|
|
1773 |
memcpy(&pData[128], &ReleaseTriggerDecay, 1); |
pData[128] = ReleaseTriggerDecay; |
1774 |
|
|
1775 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1776 |
|
|
1777 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1778 |
memcpy(&pData[131], &eg1hold, 1); |
pData[131] = eg1hold; |
1779 |
|
|
1780 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
1781 |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1782 |
memcpy(&pData[132], &vcfcutoff, 1); |
pData[132] = vcfcutoff; |
1783 |
|
|
1784 |
memcpy(&pData[133], &VCFCutoffController, 1); |
pData[133] = VCFCutoffController; |
1785 |
|
|
1786 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
1787 |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1788 |
memcpy(&pData[134], &vcfvelscale, 1); |
pData[134] = vcfvelscale; |
1789 |
|
|
1790 |
// next byte unknown |
// next byte unknown |
1791 |
|
|
1792 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
1793 |
(VCFResonance & 0x7f); /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
1794 |
memcpy(&pData[136], &vcfresonance, 1); |
pData[136] = vcfresonance; |
1795 |
|
|
1796 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
1797 |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1798 |
memcpy(&pData[137], &vcfbreakpoint, 1); |
pData[137] = vcfbreakpoint; |
1799 |
|
|
1800 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
1801 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
1802 |
memcpy(&pData[138], &vcfvelocity, 1); |
pData[138] = vcfvelocity; |
1803 |
|
|
1804 |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
1805 |
memcpy(&pData[139], &vcftype, 1); |
pData[139] = vcftype; |
1806 |
|
|
1807 |
|
if (chunksize >= 148) { |
1808 |
|
memcpy(&pData[140], DimensionUpperLimits, 8); |
1809 |
|
} |
1810 |
} |
} |
1811 |
|
|
1812 |
// 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 |
2031 |
default: |
default: |
2032 |
throw gig::Exception("leverage controller number is not supported by the gig format"); |
throw gig::Exception("leverage controller number is not supported by the gig format"); |
2033 |
} |
} |
2034 |
|
break; |
2035 |
default: |
default: |
2036 |
throw gig::Exception("Unknown leverage controller type."); |
throw gig::Exception("Unknown leverage controller type."); |
2037 |
} |
} |
2149 |
// * |
// * |
2150 |
|
|
2151 |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : DLS::Region((DLS::Instrument*) pInstrument, rgnList) { |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : DLS::Region((DLS::Instrument*) pInstrument, rgnList) { |
|
pInfo->UseFixedLengthStrings = true; |
|
|
|
|
2152 |
// Initialization |
// Initialization |
2153 |
Dimensions = 0; |
Dimensions = 0; |
2154 |
for (int i = 0; i < 256; i++) { |
for (int i = 0; i < 256; i++) { |
2168 |
for (int i = 0; i < dimensionBits; i++) { |
for (int i = 0; i < dimensionBits; i++) { |
2169 |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
2170 |
uint8_t bits = _3lnk->ReadUint8(); |
uint8_t bits = _3lnk->ReadUint8(); |
2171 |
_3lnk->ReadUint8(); // probably the position of the dimension |
_3lnk->ReadUint8(); // bit position of the dimension (bits[0] + bits[1] + ... + bits[i-1]) |
2172 |
_3lnk->ReadUint8(); // unknown |
_3lnk->ReadUint8(); // (1 << bit position of next dimension) - (1 << bit position of this dimension) |
2173 |
uint8_t zones = _3lnk->ReadUint8(); // new for v3: number of zones doesn't have to be == pow(2,bits) |
uint8_t zones = _3lnk->ReadUint8(); // new for v3: number of zones doesn't have to be == pow(2,bits) |
2174 |
if (dimension == dimension_none) { // inactive dimension |
if (dimension == dimension_none) { // inactive dimension |
2175 |
pDimensionDefinitions[i].dimension = dimension_none; |
pDimensionDefinitions[i].dimension = dimension_none; |
2182 |
pDimensionDefinitions[i].dimension = dimension; |
pDimensionDefinitions[i].dimension = dimension; |
2183 |
pDimensionDefinitions[i].bits = bits; |
pDimensionDefinitions[i].bits = bits; |
2184 |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
2185 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = __resolveSplitType(dimension); |
2186 |
dimension == dimension_samplechannel || |
pDimensionDefinitions[i].zone_size = __resolveZoneSize(pDimensionDefinitions[i]); |
|
dimension == dimension_releasetrigger || |
|
|
dimension == dimension_keyboard || |
|
|
dimension == dimension_roundrobin || |
|
|
dimension == dimension_random) ? split_type_bit |
|
|
: split_type_normal; |
|
|
pDimensionDefinitions[i].zone_size = |
|
|
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128.0 / pDimensionDefinitions[i].zones |
|
|
: 0; |
|
2187 |
Dimensions++; |
Dimensions++; |
2188 |
|
|
2189 |
// if this is a layer dimension, remember the amount of layers |
// if this is a layer dimension, remember the amount of layers |
2209 |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2210 |
} |
} |
2211 |
GetSample(); // load global region sample reference |
GetSample(); // load global region sample reference |
2212 |
|
} else { |
2213 |
|
DimensionRegions = 0; |
2214 |
|
for (int i = 0 ; i < 8 ; i++) { |
2215 |
|
pDimensionDefinitions[i].dimension = dimension_none; |
2216 |
|
pDimensionDefinitions[i].bits = 0; |
2217 |
|
pDimensionDefinitions[i].zones = 0; |
2218 |
|
} |
2219 |
} |
} |
2220 |
|
|
2221 |
// make sure there is at least one dimension region |
// make sure there is at least one dimension region |
2238 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
2239 |
*/ |
*/ |
2240 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
2241 |
|
// in the gig format we don't care about the Region's sample reference |
2242 |
|
// but we still have to provide some existing one to not corrupt the |
2243 |
|
// file, so to avoid the latter we simply always assign the sample of |
2244 |
|
// the first dimension region of this region |
2245 |
|
pSample = pDimensionRegions[0]->pSample; |
2246 |
|
|
2247 |
// first update base class's chunks |
// first update base class's chunks |
2248 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2249 |
|
|
2261 |
if (!_3lnk) { |
if (!_3lnk) { |
2262 |
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
2263 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
2264 |
|
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
2265 |
|
|
2266 |
|
// move 3prg to last position |
2267 |
|
pCkRegion->MoveSubChunk(pCkRegion->GetSubList(LIST_TYPE_3PRG), 0); |
2268 |
} |
} |
2269 |
|
|
2270 |
// update dimension definitions in '3lnk' chunk |
// update dimension definitions in '3lnk' chunk |
2271 |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2272 |
memcpy(&pData[0], &DimensionRegions, 4); |
store32(&pData[0], DimensionRegions); |
2273 |
|
int shift = 0; |
2274 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2275 |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2276 |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2277 |
// next 2 bytes unknown |
pData[6 + i * 8] = shift; |
2278 |
|
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2279 |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2280 |
// next 3 bytes unknown |
// next 3 bytes unknown, always zero? |
2281 |
|
|
2282 |
|
shift += pDimensionDefinitions[i].bits; |
2283 |
} |
} |
2284 |
|
|
2285 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
2298 |
} |
} |
2299 |
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
2300 |
} |
} |
2301 |
memcpy(&pData[iWavePoolOffset + i * 4], &iWaveIndex, 4); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2302 |
} |
} |
2303 |
} |
} |
2304 |
|
|
2338 |
int dim[8] = { 0 }; |
int dim[8] = { 0 }; |
2339 |
for (int i = 0 ; i < DimensionRegions ; i++) { |
for (int i = 0 ; i < DimensionRegions ; i++) { |
2340 |
|
|
2341 |
if (pDimensionRegions[i]->VelocityUpperLimit) { |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
2342 |
|
pDimensionRegions[i]->VelocityUpperLimit) { |
2343 |
// create the velocity table |
// create the velocity table |
2344 |
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
2345 |
if (!table) { |
if (!table) { |
2348 |
} |
} |
2349 |
int tableidx = 0; |
int tableidx = 0; |
2350 |
int velocityZone = 0; |
int velocityZone = 0; |
2351 |
for (int k = i ; k < end ; k += step) { |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim]) { // gig3 |
2352 |
DimensionRegion *d = pDimensionRegions[k]; |
for (int k = i ; k < end ; k += step) { |
2353 |
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
DimensionRegion *d = pDimensionRegions[k]; |
2354 |
velocityZone++; |
for (; tableidx <= d->DimensionUpperLimits[veldim] ; tableidx++) table[tableidx] = velocityZone; |
2355 |
|
velocityZone++; |
2356 |
|
} |
2357 |
|
} else { // gig2 |
2358 |
|
for (int k = i ; k < end ; k += step) { |
2359 |
|
DimensionRegion *d = pDimensionRegions[k]; |
2360 |
|
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
2361 |
|
velocityZone++; |
2362 |
|
} |
2363 |
} |
} |
2364 |
} else { |
} else { |
2365 |
if (pDimensionRegions[i]->VelocityTable) { |
if (pDimensionRegions[i]->VelocityTable) { |
2426 |
// assign definition of new dimension |
// assign definition of new dimension |
2427 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[Dimensions] = *pDimDef; |
2428 |
|
|
2429 |
|
// auto correct certain dimension definition fields (where possible) |
2430 |
|
pDimensionDefinitions[Dimensions].split_type = |
2431 |
|
__resolveSplitType(pDimensionDefinitions[Dimensions].dimension); |
2432 |
|
pDimensionDefinitions[Dimensions].zone_size = |
2433 |
|
__resolveZoneSize(pDimensionDefinitions[Dimensions]); |
2434 |
|
|
2435 |
// create new dimension region(s) for this new dimension |
// create new dimension region(s) for this new dimension |
2436 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
2437 |
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
2438 |
RIFF::List* pNewDimRgnListChunk = pCkRegion->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2439 |
|
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2440 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
2441 |
DimensionRegions++; |
DimensionRegions++; |
2442 |
} |
} |
2561 |
} else { |
} else { |
2562 |
switch (pDimensionDefinitions[i].split_type) { |
switch (pDimensionDefinitions[i].split_type) { |
2563 |
case split_type_normal: |
case split_type_normal: |
2564 |
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
if (pDimensionRegions[0]->DimensionUpperLimits[i]) { |
2565 |
|
// gig3: all normal dimensions (not just the velocity dimension) have custom zone ranges |
2566 |
|
for (bits = 0 ; bits < pDimensionDefinitions[i].zones ; bits++) { |
2567 |
|
if (DimValues[i] <= pDimensionRegions[bits << bitpos]->DimensionUpperLimits[i]) break; |
2568 |
|
} |
2569 |
|
} else { |
2570 |
|
// gig2: evenly sized zones |
2571 |
|
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
2572 |
|
} |
2573 |
break; |
break; |
2574 |
case split_type_bit: // the value is already the sought dimension bit number |
case split_type_bit: // the value is already the sought dimension bit number |
2575 |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
2583 |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
2584 |
if (veldim != -1) { |
if (veldim != -1) { |
2585 |
// (dimreg is now the dimension region for the lowest velocity) |
// (dimreg is now the dimension region for the lowest velocity) |
2586 |
if (dimreg->VelocityUpperLimit) // custom defined zone ranges |
if (dimreg->VelocityTable) // custom defined zone ranges |
2587 |
bits = dimreg->VelocityTable[DimValues[veldim]]; |
bits = dimreg->VelocityTable[DimValues[veldim]]; |
2588 |
else // normal split type |
else // normal split type |
2589 |
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
2649 |
// * |
// * |
2650 |
|
|
2651 |
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) { |
2652 |
pInfo->UseFixedLengthStrings = true; |
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
2653 |
|
{ CHUNK_ID_INAM, 64 }, |
2654 |
|
{ CHUNK_ID_ISFT, 12 }, |
2655 |
|
{ 0, 0 } |
2656 |
|
}; |
2657 |
|
pInfo->FixedStringLengths = fixedStringLengths; |
2658 |
|
|
2659 |
// Initialization |
// Initialization |
2660 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
2661 |
|
EffectSend = 0; |
2662 |
|
Attenuation = 0; |
2663 |
|
FineTune = 0; |
2664 |
|
PitchbendRange = 0; |
2665 |
|
PianoReleaseMode = false; |
2666 |
|
DimensionKeyRange.low = 0; |
2667 |
|
DimensionKeyRange.high = 0; |
2668 |
|
|
2669 |
// Loading |
// Loading |
2670 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
2743 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
2744 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
2745 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
2746 |
memcpy(&pData[0], &EffectSend, 2); |
store16(&pData[0], EffectSend); |
2747 |
memcpy(&pData[2], &Attenuation, 4); |
store32(&pData[2], Attenuation); |
2748 |
memcpy(&pData[6], &FineTune, 2); |
store16(&pData[6], FineTune); |
2749 |
memcpy(&pData[8], &PitchbendRange, 2); |
store16(&pData[8], PitchbendRange); |
2750 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
2751 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
2752 |
memcpy(&pData[10], &dimkeystart, 1); |
pData[10] = dimkeystart; |
2753 |
memcpy(&pData[11], &DimensionKeyRange.high, 1); |
pData[11] = DimensionKeyRange.high; |
2754 |
} |
} |
2755 |
|
|
2756 |
/** |
/** |
2821 |
|
|
2822 |
|
|
2823 |
|
|
2824 |
|
// *************** Group *************** |
2825 |
|
// * |
2826 |
|
|
2827 |
|
/** @brief Constructor. |
2828 |
|
* |
2829 |
|
* @param file - pointer to the gig::File object |
2830 |
|
* @param ck3gnm - pointer to 3gnm chunk associated with this group or |
2831 |
|
* NULL if this is a new Group |
2832 |
|
*/ |
2833 |
|
Group::Group(File* file, RIFF::Chunk* ck3gnm) { |
2834 |
|
pFile = file; |
2835 |
|
pNameChunk = ck3gnm; |
2836 |
|
::LoadString(pNameChunk, Name); |
2837 |
|
} |
2838 |
|
|
2839 |
|
Group::~Group() { |
2840 |
|
// remove the chunk associated with this group (if any) |
2841 |
|
if (pNameChunk) pNameChunk->GetParent()->DeleteSubChunk(pNameChunk); |
2842 |
|
} |
2843 |
|
|
2844 |
|
/** @brief Update chunks with current group settings. |
2845 |
|
* |
2846 |
|
* Apply current Group field values to the respective chunks. You have |
2847 |
|
* to call File::Save() to make changes persistent. |
2848 |
|
* |
2849 |
|
* Usually there is absolutely no need to call this method explicitly. |
2850 |
|
* It will be called automatically when File::Save() was called. |
2851 |
|
*/ |
2852 |
|
void Group::UpdateChunks() { |
2853 |
|
// make sure <3gri> and <3gnl> list chunks exist |
2854 |
|
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
2855 |
|
if (!_3gri) { |
2856 |
|
_3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
2857 |
|
pFile->pRIFF->MoveSubChunk(_3gri, pFile->pRIFF->GetSubChunk(CHUNK_ID_PTBL)); |
2858 |
|
} |
2859 |
|
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
2860 |
|
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
2861 |
|
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
2862 |
|
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
2863 |
|
} |
2864 |
|
|
2865 |
|
/** |
2866 |
|
* Returns the first Sample of this Group. You have to call this method |
2867 |
|
* once before you use GetNextSample(). |
2868 |
|
* |
2869 |
|
* <b>Notice:</b> this method might block for a long time, in case the |
2870 |
|
* samples of this .gig file were not scanned yet |
2871 |
|
* |
2872 |
|
* @returns pointer address to first Sample or NULL if there is none |
2873 |
|
* applied to this Group |
2874 |
|
* @see GetNextSample() |
2875 |
|
*/ |
2876 |
|
Sample* Group::GetFirstSample() { |
2877 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2878 |
|
for (Sample* pSample = pFile->GetFirstSample(); pSample; pSample = pFile->GetNextSample()) { |
2879 |
|
if (pSample->GetGroup() == this) return pSample; |
2880 |
|
} |
2881 |
|
return NULL; |
2882 |
|
} |
2883 |
|
|
2884 |
|
/** |
2885 |
|
* Returns the next Sample of the Group. You have to call |
2886 |
|
* GetFirstSample() once before you can use this method. By calling this |
2887 |
|
* method multiple times it iterates through the Samples assigned to |
2888 |
|
* this Group. |
2889 |
|
* |
2890 |
|
* @returns pointer address to the next Sample of this Group or NULL if |
2891 |
|
* end reached |
2892 |
|
* @see GetFirstSample() |
2893 |
|
*/ |
2894 |
|
Sample* Group::GetNextSample() { |
2895 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2896 |
|
for (Sample* pSample = pFile->GetNextSample(); pSample; pSample = pFile->GetNextSample()) { |
2897 |
|
if (pSample->GetGroup() == this) return pSample; |
2898 |
|
} |
2899 |
|
return NULL; |
2900 |
|
} |
2901 |
|
|
2902 |
|
/** |
2903 |
|
* Move Sample given by \a pSample from another Group to this Group. |
2904 |
|
*/ |
2905 |
|
void Group::AddSample(Sample* pSample) { |
2906 |
|
pSample->pGroup = this; |
2907 |
|
} |
2908 |
|
|
2909 |
|
/** |
2910 |
|
* Move all members of this group to another group (preferably the 1st |
2911 |
|
* one except this). This method is called explicitly by |
2912 |
|
* File::DeleteGroup() thus when a Group was deleted. This code was |
2913 |
|
* intentionally not placed in the destructor! |
2914 |
|
*/ |
2915 |
|
void Group::MoveAll() { |
2916 |
|
// get "that" other group first |
2917 |
|
Group* pOtherGroup = NULL; |
2918 |
|
for (pOtherGroup = pFile->GetFirstGroup(); pOtherGroup; pOtherGroup = pFile->GetNextGroup()) { |
2919 |
|
if (pOtherGroup != this) break; |
2920 |
|
} |
2921 |
|
if (!pOtherGroup) throw Exception( |
2922 |
|
"Could not move samples to another group, since there is no " |
2923 |
|
"other Group. This is a bug, report it!" |
2924 |
|
); |
2925 |
|
// now move all samples of this group to the other group |
2926 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
2927 |
|
pOtherGroup->AddSample(pSample); |
2928 |
|
} |
2929 |
|
} |
2930 |
|
|
2931 |
|
|
2932 |
|
|
2933 |
// *************** File *************** |
// *************** File *************** |
2934 |
// * |
// * |
2935 |
|
|
2936 |
|
// File version 2.0, 1998-06-28 |
2937 |
|
const DLS::version_t File::VERSION_2 = { |
2938 |
|
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
2939 |
|
}; |
2940 |
|
|
2941 |
|
// File version 3.0, 2003-03-31 |
2942 |
|
const DLS::version_t File::VERSION_3 = { |
2943 |
|
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
2944 |
|
}; |
2945 |
|
|
2946 |
|
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
2947 |
|
{ CHUNK_ID_IARL, 256 }, |
2948 |
|
{ CHUNK_ID_IART, 128 }, |
2949 |
|
{ CHUNK_ID_ICMS, 128 }, |
2950 |
|
{ CHUNK_ID_ICMT, 1024 }, |
2951 |
|
{ CHUNK_ID_ICOP, 128 }, |
2952 |
|
{ CHUNK_ID_ICRD, 128 }, |
2953 |
|
{ CHUNK_ID_IENG, 128 }, |
2954 |
|
{ CHUNK_ID_IGNR, 128 }, |
2955 |
|
{ CHUNK_ID_IKEY, 128 }, |
2956 |
|
{ CHUNK_ID_IMED, 128 }, |
2957 |
|
{ CHUNK_ID_INAM, 128 }, |
2958 |
|
{ CHUNK_ID_IPRD, 128 }, |
2959 |
|
{ CHUNK_ID_ISBJ, 128 }, |
2960 |
|
{ CHUNK_ID_ISFT, 128 }, |
2961 |
|
{ CHUNK_ID_ISRC, 128 }, |
2962 |
|
{ CHUNK_ID_ISRF, 128 }, |
2963 |
|
{ CHUNK_ID_ITCH, 128 }, |
2964 |
|
{ 0, 0 } |
2965 |
|
}; |
2966 |
|
|
2967 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
2968 |
pInfo->UseFixedLengthStrings = true; |
pGroups = NULL; |
2969 |
|
pInfo->FixedStringLengths = FixedStringLengths; |
2970 |
|
pInfo->ArchivalLocation = String(256, ' '); |
2971 |
|
|
2972 |
|
// add some mandatory chunks to get the file chunks in right |
2973 |
|
// order (INFO chunk will be moved to first position later) |
2974 |
|
pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
2975 |
|
pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
2976 |
|
pRIFF->AddSubChunk(CHUNK_ID_DLID, 16); |
2977 |
|
|
2978 |
|
GenerateDLSID(); |
2979 |
} |
} |
2980 |
|
|
2981 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
2982 |
pInfo->UseFixedLengthStrings = true; |
pGroups = NULL; |
2983 |
|
pInfo->FixedStringLengths = FixedStringLengths; |
2984 |
|
} |
2985 |
|
|
2986 |
|
File::~File() { |
2987 |
|
if (pGroups) { |
2988 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
2989 |
|
std::list<Group*>::iterator end = pGroups->end(); |
2990 |
|
while (iter != end) { |
2991 |
|
delete *iter; |
2992 |
|
++iter; |
2993 |
|
} |
2994 |
|
delete pGroups; |
2995 |
|
} |
2996 |
} |
} |
2997 |
|
|
2998 |
Sample* File::GetFirstSample(progress_t* pProgress) { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
3022 |
// create new Sample object and its respective 'wave' list chunk |
// create new Sample object and its respective 'wave' list chunk |
3023 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
3024 |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
3025 |
|
|
3026 |
|
// add mandatory chunks to get the chunks in right order |
3027 |
|
wave->AddSubChunk(CHUNK_ID_FMT, 16); |
3028 |
|
wave->AddSubList(LIST_TYPE_INFO); |
3029 |
|
|
3030 |
pSamples->push_back(pSample); |
pSamples->push_back(pSample); |
3031 |
return pSample; |
return pSample; |
3032 |
} |
} |
3043 |
if (!pSamples || !pSamples->size()) throw gig::Exception("Could not delete sample as there are no samples"); |
if (!pSamples || !pSamples->size()) throw gig::Exception("Could not delete sample as there are no samples"); |
3044 |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
3045 |
if (iter == pSamples->end()) throw gig::Exception("Could not delete sample, could not find given sample"); |
if (iter == pSamples->end()) throw gig::Exception("Could not delete sample, could not find given sample"); |
3046 |
|
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
3047 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3048 |
delete pSample; |
delete pSample; |
3049 |
} |
} |
3053 |
} |
} |
3054 |
|
|
3055 |
void File::LoadSamples(progress_t* pProgress) { |
void File::LoadSamples(progress_t* pProgress) { |
3056 |
|
// Groups must be loaded before samples, because samples will try |
3057 |
|
// to resolve the group they belong to |
3058 |
|
if (!pGroups) LoadGroups(); |
3059 |
|
|
3060 |
if (!pSamples) pSamples = new SampleList; |
if (!pSamples) pSamples = new SampleList; |
3061 |
|
|
3062 |
RIFF::File* file = pRIFF; |
RIFF::File* file = pRIFF; |
3169 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
3170 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
3171 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
3172 |
|
|
3173 |
|
// add mandatory chunks to get the chunks in right order |
3174 |
|
lstInstr->AddSubList(LIST_TYPE_INFO); |
3175 |
|
lstInstr->AddSubChunk(CHUNK_ID_DLID, 16); |
3176 |
|
|
3177 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
3178 |
|
pInstrument->GenerateDLSID(); |
3179 |
|
|
3180 |
|
lstInstr->AddSubChunk(CHUNK_ID_INSH, 12); |
3181 |
|
|
3182 |
|
// this string is needed for the gig to be loadable in GSt: |
3183 |
|
pInstrument->pInfo->Software = "Endless Wave"; |
3184 |
|
|
3185 |
pInstruments->push_back(pInstrument); |
pInstruments->push_back(pInstrument); |
3186 |
return pInstrument; |
return pInstrument; |
3187 |
} |
} |
3192 |
* have to call Save() to make this persistent to the file. |
* have to call Save() to make this persistent to the file. |
3193 |
* |
* |
3194 |
* @param pInstrument - instrument to delete |
* @param pInstrument - instrument to delete |
3195 |
* @throws gig::Excption if given instrument could not be found |
* @throws gig::Exception if given instrument could not be found |
3196 |
*/ |
*/ |
3197 |
void File::DeleteInstrument(Instrument* pInstrument) { |
void File::DeleteInstrument(Instrument* pInstrument) { |
3198 |
if (!pInstruments) throw gig::Exception("Could not delete instrument as there are no instruments"); |
if (!pInstruments) throw gig::Exception("Could not delete instrument as there are no instruments"); |
3232 |
} |
} |
3233 |
} |
} |
3234 |
|
|
3235 |
|
/// Updates the 3crc chunk with the checksum of a sample. The |
3236 |
|
/// update is done directly to disk, as this method is called |
3237 |
|
/// after File::Save() |
3238 |
|
void File::SetSampleChecksum(Sample* pSample, uint32_t crc) { |
3239 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3240 |
|
if (!_3crc) return; |
3241 |
|
|
3242 |
|
// get the index of the sample |
3243 |
|
int iWaveIndex = -1; |
3244 |
|
File::SampleList::iterator iter = pSamples->begin(); |
3245 |
|
File::SampleList::iterator end = pSamples->end(); |
3246 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
3247 |
|
if (*iter == pSample) { |
3248 |
|
iWaveIndex = index; |
3249 |
|
break; |
3250 |
|
} |
3251 |
|
} |
3252 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update crc, could not find sample"); |
3253 |
|
|
3254 |
|
// write the CRC-32 checksum to disk |
3255 |
|
_3crc->SetPos(iWaveIndex * 8); |
3256 |
|
uint32_t tmp = 1; |
3257 |
|
_3crc->WriteUint32(&tmp); // unknown, always 1? |
3258 |
|
_3crc->WriteUint32(&crc); |
3259 |
|
} |
3260 |
|
|
3261 |
|
Group* File::GetFirstGroup() { |
3262 |
|
if (!pGroups) LoadGroups(); |
3263 |
|
// there must always be at least one group |
3264 |
|
GroupsIterator = pGroups->begin(); |
3265 |
|
return *GroupsIterator; |
3266 |
|
} |
3267 |
|
|
3268 |
|
Group* File::GetNextGroup() { |
3269 |
|
if (!pGroups) return NULL; |
3270 |
|
++GroupsIterator; |
3271 |
|
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
3272 |
|
} |
3273 |
|
|
3274 |
|
/** |
3275 |
|
* Returns the group with the given index. |
3276 |
|
* |
3277 |
|
* @param index - number of the sought group (0..n) |
3278 |
|
* @returns sought group or NULL if there's no such group |
3279 |
|
*/ |
3280 |
|
Group* File::GetGroup(uint index) { |
3281 |
|
if (!pGroups) LoadGroups(); |
3282 |
|
GroupsIterator = pGroups->begin(); |
3283 |
|
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
3284 |
|
if (i == index) return *GroupsIterator; |
3285 |
|
++GroupsIterator; |
3286 |
|
} |
3287 |
|
return NULL; |
3288 |
|
} |
3289 |
|
|
3290 |
|
Group* File::AddGroup() { |
3291 |
|
if (!pGroups) LoadGroups(); |
3292 |
|
// there must always be at least one group |
3293 |
|
__ensureMandatoryChunksExist(); |
3294 |
|
Group* pGroup = new Group(this, NULL); |
3295 |
|
pGroups->push_back(pGroup); |
3296 |
|
return pGroup; |
3297 |
|
} |
3298 |
|
|
3299 |
|
/** @brief Delete a group and its samples. |
3300 |
|
* |
3301 |
|
* This will delete the given Group object and all the samples that |
3302 |
|
* belong to this group from the gig file. You have to call Save() to |
3303 |
|
* make this persistent to the file. |
3304 |
|
* |
3305 |
|
* @param pGroup - group to delete |
3306 |
|
* @throws gig::Exception if given group could not be found |
3307 |
|
*/ |
3308 |
|
void File::DeleteGroup(Group* pGroup) { |
3309 |
|
if (!pGroups) LoadGroups(); |
3310 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3311 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3312 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3313 |
|
// delete all members of this group |
3314 |
|
for (Sample* pSample = pGroup->GetFirstSample(); pSample; pSample = pGroup->GetNextSample()) { |
3315 |
|
DeleteSample(pSample); |
3316 |
|
} |
3317 |
|
// now delete this group object |
3318 |
|
pGroups->erase(iter); |
3319 |
|
delete pGroup; |
3320 |
|
} |
3321 |
|
|
3322 |
|
/** @brief Delete a group. |
3323 |
|
* |
3324 |
|
* This will delete the given Group object from the gig file. All the |
3325 |
|
* samples that belong to this group will not be deleted, but instead |
3326 |
|
* be moved to another group. You have to call Save() to make this |
3327 |
|
* persistent to the file. |
3328 |
|
* |
3329 |
|
* @param pGroup - group to delete |
3330 |
|
* @throws gig::Exception if given group could not be found |
3331 |
|
*/ |
3332 |
|
void File::DeleteGroupOnly(Group* pGroup) { |
3333 |
|
if (!pGroups) LoadGroups(); |
3334 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3335 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3336 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3337 |
|
// move all members of this group to another group |
3338 |
|
pGroup->MoveAll(); |
3339 |
|
pGroups->erase(iter); |
3340 |
|
delete pGroup; |
3341 |
|
} |
3342 |
|
|
3343 |
|
void File::LoadGroups() { |
3344 |
|
if (!pGroups) pGroups = new std::list<Group*>; |
3345 |
|
// try to read defined groups from file |
3346 |
|
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
3347 |
|
if (lst3gri) { |
3348 |
|
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
3349 |
|
if (lst3gnl) { |
3350 |
|
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3351 |
|
while (ck) { |
3352 |
|
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3353 |
|
pGroups->push_back(new Group(this, ck)); |
3354 |
|
} |
3355 |
|
ck = lst3gnl->GetNextSubChunk(); |
3356 |
|
} |
3357 |
|
} |
3358 |
|
} |
3359 |
|
// if there were no group(s), create at least the mandatory default group |
3360 |
|
if (!pGroups->size()) { |
3361 |
|
Group* pGroup = new Group(this, NULL); |
3362 |
|
pGroup->Name = "Default Group"; |
3363 |
|
pGroups->push_back(pGroup); |
3364 |
|
} |
3365 |
|
} |
3366 |
|
|
3367 |
|
/** |
3368 |
|
* Apply all the gig file's current instruments, samples, groups and settings |
3369 |
|
* to the respective RIFF chunks. You have to call Save() to make changes |
3370 |
|
* persistent. |
3371 |
|
* |
3372 |
|
* Usually there is absolutely no need to call this method explicitly. |
3373 |
|
* It will be called automatically when File::Save() was called. |
3374 |
|
* |
3375 |
|
* @throws Exception - on errors |
3376 |
|
*/ |
3377 |
|
void File::UpdateChunks() { |
3378 |
|
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
3379 |
|
|
3380 |
|
// first update base class's chunks |
3381 |
|
DLS::File::UpdateChunks(); |
3382 |
|
|
3383 |
|
if (newFile) { |
3384 |
|
// INFO was added by Resource::UpdateChunks - make sure it |
3385 |
|
// is placed first in file |
3386 |
|
RIFF::Chunk* info = pRIFF->GetSubList(LIST_TYPE_INFO); |
3387 |
|
RIFF::Chunk* first = pRIFF->GetFirstSubChunk(); |
3388 |
|
if (first != info) { |
3389 |
|
pRIFF->MoveSubChunk(info, first); |
3390 |
|
} |
3391 |
|
} |
3392 |
|
|
3393 |
|
// update group's chunks |
3394 |
|
if (pGroups) { |
3395 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
3396 |
|
std::list<Group*>::iterator end = pGroups->end(); |
3397 |
|
for (; iter != end; ++iter) { |
3398 |
|
(*iter)->UpdateChunks(); |
3399 |
|
} |
3400 |
|
} |
3401 |
|
|
3402 |
|
// update einf chunk |
3403 |
|
|
3404 |
|
// The einf chunk contains statistics about the gig file, such |
3405 |
|
// as the number of regions and samples used by each |
3406 |
|
// instrument. It is divided in equally sized parts, where the |
3407 |
|
// first part contains information about the whole gig file, |
3408 |
|
// and the rest of the parts map to each instrument in the |
3409 |
|
// file. |
3410 |
|
// |
3411 |
|
// At the end of each part there is a bit map of each sample |
3412 |
|
// in the file, where a set bit means that the sample is used |
3413 |
|
// by the file/instrument. |
3414 |
|
// |
3415 |
|
// Note that there are several fields with unknown use. These |
3416 |
|
// are set to zero. |
3417 |
|
|
3418 |
|
int sublen = pSamples->size() / 8 + 49; |
3419 |
|
int einfSize = (Instruments + 1) * sublen; |
3420 |
|
|
3421 |
|
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
3422 |
|
if (einf) { |
3423 |
|
if (einf->GetSize() != einfSize) { |
3424 |
|
einf->Resize(einfSize); |
3425 |
|
memset(einf->LoadChunkData(), 0, einfSize); |
3426 |
|
} |
3427 |
|
} else if (newFile) { |
3428 |
|
einf = pRIFF->AddSubChunk(CHUNK_ID_EINF, einfSize); |
3429 |
|
} |
3430 |
|
if (einf) { |
3431 |
|
uint8_t* pData = (uint8_t*) einf->LoadChunkData(); |
3432 |
|
|
3433 |
|
std::map<gig::Sample*,int> sampleMap; |
3434 |
|
int sampleIdx = 0; |
3435 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
3436 |
|
sampleMap[pSample] = sampleIdx++; |
3437 |
|
} |
3438 |
|
|
3439 |
|
int totnbusedsamples = 0; |
3440 |
|
int totnbusedchannels = 0; |
3441 |
|
int totnbregions = 0; |
3442 |
|
int totnbdimregions = 0; |
3443 |
|
int instrumentIdx = 0; |
3444 |
|
|
3445 |
|
memset(&pData[48], 0, sublen - 48); |
3446 |
|
|
3447 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3448 |
|
instrument = GetNextInstrument()) { |
3449 |
|
int nbusedsamples = 0; |
3450 |
|
int nbusedchannels = 0; |
3451 |
|
int nbdimregions = 0; |
3452 |
|
|
3453 |
|
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
3454 |
|
|
3455 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3456 |
|
region = instrument->GetNextRegion()) { |
3457 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3458 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3459 |
|
if (d->pSample) { |
3460 |
|
int sampleIdx = sampleMap[d->pSample]; |
3461 |
|
int byte = 48 + sampleIdx / 8; |
3462 |
|
int bit = 1 << (sampleIdx & 7); |
3463 |
|
if ((pData[(instrumentIdx + 1) * sublen + byte] & bit) == 0) { |
3464 |
|
pData[(instrumentIdx + 1) * sublen + byte] |= bit; |
3465 |
|
nbusedsamples++; |
3466 |
|
nbusedchannels += d->pSample->Channels; |
3467 |
|
|
3468 |
|
if ((pData[byte] & bit) == 0) { |
3469 |
|
pData[byte] |= bit; |
3470 |
|
totnbusedsamples++; |
3471 |
|
totnbusedchannels += d->pSample->Channels; |
3472 |
|
} |
3473 |
|
} |
3474 |
|
} |
3475 |
|
} |
3476 |
|
nbdimregions += region->DimensionRegions; |
3477 |
|
} |
3478 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3479 |
|
// store32(&pData[(instrumentIdx + 1) * sublen], sublen); |
3480 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 4], nbusedchannels); |
3481 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 8], nbusedsamples); |
3482 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
3483 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
3484 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
3485 |
|
// next 12 bytes unknown |
3486 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
3487 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
3488 |
|
// next 4 bytes unknown |
3489 |
|
|
3490 |
|
totnbregions += instrument->Regions; |
3491 |
|
totnbdimregions += nbdimregions; |
3492 |
|
instrumentIdx++; |
3493 |
|
} |
3494 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3495 |
|
// store32(&pData[0], sublen); |
3496 |
|
store32(&pData[4], totnbusedchannels); |
3497 |
|
store32(&pData[8], totnbusedsamples); |
3498 |
|
store32(&pData[12], Instruments); |
3499 |
|
store32(&pData[16], totnbregions); |
3500 |
|
store32(&pData[20], totnbdimregions); |
3501 |
|
// next 12 bytes unknown |
3502 |
|
// next 4 bytes unknown, always 0? |
3503 |
|
store32(&pData[40], pSamples->size()); |
3504 |
|
// next 4 bytes unknown |
3505 |
|
} |
3506 |
|
|
3507 |
|
// update 3crc chunk |
3508 |
|
|
3509 |
|
// The 3crc chunk contains CRC-32 checksums for the |
3510 |
|
// samples. The actual checksum values will be filled in |
3511 |
|
// later, by Sample::Write. |
3512 |
|
|
3513 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3514 |
|
if (_3crc) { |
3515 |
|
_3crc->Resize(pSamples->size() * 8); |
3516 |
|
} else if (newFile) { |
3517 |
|
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
3518 |
|
_3crc->LoadChunkData(); |
3519 |
|
} |
3520 |
|
} |
3521 |
|
|
3522 |
|
|
3523 |
|
|
3524 |
// *************** Exception *************** |
// *************** Exception *************** |