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 * |
111 |
return x & 0x800000 ? x - 0x1000000 : x; |
return x & 0x800000 ? x - 0x1000000 : x; |
112 |
} |
} |
113 |
|
|
114 |
|
inline void store24(unsigned char* pDst, int x) |
115 |
|
{ |
116 |
|
pDst[0] = x; |
117 |
|
pDst[1] = x >> 8; |
118 |
|
pDst[2] = x >> 16; |
119 |
|
} |
120 |
|
|
121 |
void Decompress16(int compressionmode, const unsigned char* params, |
void Decompress16(int compressionmode, const unsigned char* params, |
122 |
int srcStep, int dstStep, |
int srcStep, int dstStep, |
123 |
const unsigned char* pSrc, int16_t* pDst, |
const unsigned char* pSrc, int16_t* pDst, |
157 |
} |
} |
158 |
|
|
159 |
void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
160 |
int dstStep, const unsigned char* pSrc, int16_t* pDst, |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
161 |
unsigned long currentframeoffset, |
unsigned long currentframeoffset, |
162 |
unsigned long copysamples, int truncatedBits) |
unsigned long copysamples, int truncatedBits) |
163 |
{ |
{ |
|
// Note: The 24 bits are truncated to 16 bits for now. |
|
|
|
|
164 |
int y, dy, ddy, dddy; |
int y, dy, ddy, dddy; |
|
const int shift = 8 - truncatedBits; |
|
165 |
|
|
166 |
#define GET_PARAMS(params) \ |
#define GET_PARAMS(params) \ |
167 |
y = get24(params); \ |
y = get24(params); \ |
177 |
|
|
178 |
#define COPY_ONE(x) \ |
#define COPY_ONE(x) \ |
179 |
SKIP_ONE(x); \ |
SKIP_ONE(x); \ |
180 |
*pDst = y >> shift; \ |
store24(pDst, y << truncatedBits); \ |
181 |
pDst += dstStep |
pDst += dstStep |
182 |
|
|
183 |
switch (compressionmode) { |
switch (compressionmode) { |
184 |
case 2: // 24 bit uncompressed |
case 2: // 24 bit uncompressed |
185 |
pSrc += currentframeoffset * 3; |
pSrc += currentframeoffset * 3; |
186 |
while (copysamples) { |
while (copysamples) { |
187 |
*pDst = get24(pSrc) >> shift; |
store24(pDst, get24(pSrc) << truncatedBits); |
188 |
pDst += dstStep; |
pDst += dstStep; |
189 |
pSrc += 3; |
pSrc += 3; |
190 |
copysamples--; |
copysamples--; |
254 |
} |
} |
255 |
|
|
256 |
|
|
257 |
|
|
258 |
|
// *************** Other Internal functions *************** |
259 |
|
// * |
260 |
|
|
261 |
|
static split_type_t __resolveSplitType(dimension_t dimension) { |
262 |
|
return ( |
263 |
|
dimension == dimension_layer || |
264 |
|
dimension == dimension_samplechannel || |
265 |
|
dimension == dimension_releasetrigger || |
266 |
|
dimension == dimension_keyboard || |
267 |
|
dimension == dimension_roundrobin || |
268 |
|
dimension == dimension_random || |
269 |
|
dimension == dimension_smartmidi || |
270 |
|
dimension == dimension_roundrobinkeyboard |
271 |
|
) ? split_type_bit : split_type_normal; |
272 |
|
} |
273 |
|
|
274 |
|
static int __resolveZoneSize(dimension_def_t& dimension_definition) { |
275 |
|
return (dimension_definition.split_type == split_type_normal) |
276 |
|
? int(128.0 / dimension_definition.zones) : 0; |
277 |
|
} |
278 |
|
|
279 |
|
|
280 |
|
|
281 |
// *************** Sample *************** |
// *************** Sample *************** |
282 |
// * |
// * |
283 |
|
|
303 |
* is located, 0 otherwise |
* is located, 0 otherwise |
304 |
*/ |
*/ |
305 |
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) { |
306 |
|
pInfo->UseFixedLengthStrings = true; |
307 |
Instances++; |
Instances++; |
308 |
FileNo = fileNo; |
FileNo = fileNo; |
309 |
|
|
310 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
311 |
if (pCk3gix) { |
if (pCk3gix) { |
312 |
SampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
313 |
|
pGroup = pFile->GetGroup(iSampleGroup); |
314 |
} else { // '3gix' chunk missing |
} else { // '3gix' chunk missing |
315 |
// use default value(s) |
// by default assigned to that mandatory "Default Group" |
316 |
SampleGroup = 0; |
pGroup = pFile->GetGroup(0); |
317 |
} |
} |
318 |
|
|
319 |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
337 |
// use default values |
// use default values |
338 |
Manufacturer = 0; |
Manufacturer = 0; |
339 |
Product = 0; |
Product = 0; |
340 |
SamplePeriod = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
341 |
MIDIUnityNote = 64; |
MIDIUnityNote = 64; |
342 |
FineTune = 0; |
FineTune = 0; |
343 |
SMPTEOffset = 0; |
SMPTEOffset = 0; |
378 |
} |
} |
379 |
FrameOffset = 0; // just for streaming compressed samples |
FrameOffset = 0; // just for streaming compressed samples |
380 |
|
|
381 |
LoopSize = LoopEnd - LoopStart; |
LoopSize = LoopEnd - LoopStart + 1; |
382 |
} |
} |
383 |
|
|
384 |
/** |
/** |
388 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
389 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
390 |
* |
* |
391 |
* @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 |
392 |
* was provided yet |
* was provided yet |
393 |
* @throws gig::Exception if there is any invalid sample setting |
* @throws gig::Exception if there is any invalid sample setting |
394 |
*/ |
*/ |
401 |
if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
402 |
// update 'smpl' chunk |
// update 'smpl' chunk |
403 |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
404 |
SamplePeriod = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
405 |
memcpy(&pData[0], &Manufacturer, 4); |
store32(&pData[0], Manufacturer); |
406 |
memcpy(&pData[4], &Product, 4); |
store32(&pData[4], Product); |
407 |
memcpy(&pData[8], &SamplePeriod, 4); |
store32(&pData[8], SamplePeriod); |
408 |
memcpy(&pData[12], &MIDIUnityNote, 4); |
store32(&pData[12], MIDIUnityNote); |
409 |
memcpy(&pData[16], &FineTune, 4); |
store32(&pData[16], FineTune); |
410 |
memcpy(&pData[20], &SMPTEFormat, 4); |
store32(&pData[20], SMPTEFormat); |
411 |
memcpy(&pData[24], &SMPTEOffset, 4); |
store32(&pData[24], SMPTEOffset); |
412 |
memcpy(&pData[28], &Loops, 4); |
store32(&pData[28], Loops); |
413 |
|
|
414 |
// we skip 'manufByt' for now (4 bytes) |
// we skip 'manufByt' for now (4 bytes) |
415 |
|
|
416 |
memcpy(&pData[36], &LoopID, 4); |
store32(&pData[36], LoopID); |
417 |
memcpy(&pData[40], &LoopType, 4); |
store32(&pData[40], LoopType); |
418 |
memcpy(&pData[44], &LoopStart, 4); |
store32(&pData[44], LoopStart); |
419 |
memcpy(&pData[48], &LoopEnd, 4); |
store32(&pData[48], LoopEnd); |
420 |
memcpy(&pData[52], &LoopFraction, 4); |
store32(&pData[52], LoopFraction); |
421 |
memcpy(&pData[56], &LoopPlayCount, 4); |
store32(&pData[56], LoopPlayCount); |
422 |
|
|
423 |
// make sure '3gix' chunk exists |
// make sure '3gix' chunk exists |
424 |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
425 |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
426 |
|
// determine appropriate sample group index (to be stored in chunk) |
427 |
|
uint16_t iSampleGroup = 0; // 0 refers to default sample group |
428 |
|
File* pFile = static_cast<File*>(pParent); |
429 |
|
if (pFile->pGroups) { |
430 |
|
std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
431 |
|
std::list<Group*>::iterator end = pFile->pGroups->end(); |
432 |
|
for (int i = 0; iter != end; i++, iter++) { |
433 |
|
if (*iter == pGroup) { |
434 |
|
iSampleGroup = i; |
435 |
|
break; // found |
436 |
|
} |
437 |
|
} |
438 |
|
} |
439 |
// update '3gix' chunk |
// update '3gix' chunk |
440 |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
441 |
memcpy(&pData[0], &SampleGroup, 2); |
store16(&pData[0], iSampleGroup); |
442 |
} |
} |
443 |
|
|
444 |
/// 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). |
659 |
* enlarged samples before calling File::Save() as this might exceed the |
* enlarged samples before calling File::Save() as this might exceed the |
660 |
* current sample's boundary! |
* current sample's boundary! |
661 |
* |
* |
662 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
663 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
664 |
* other formats will fail! |
* other formats will fail! |
665 |
* |
* |
666 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
667 |
* greater than zero) |
* greater than zero) |
668 |
* @throws DLS::Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
669 |
* or if \a iNewSize is less than 1 |
* or if \a iNewSize is less than 1 |
670 |
* @throws gig::Exception if existing sample is compressed |
* @throws gig::Exception if existing sample is compressed |
671 |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
765 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
766 |
* @param pPlaybackState will be used to store and reload the playback |
* @param pPlaybackState will be used to store and reload the playback |
767 |
* state for the next ReadAndLoop() call |
* state for the next ReadAndLoop() call |
768 |
|
* @param pDimRgn dimension region with looping information |
769 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
770 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
771 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
772 |
*/ |
*/ |
773 |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, buffer_t* pExternalDecompressionBuffer) { |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, |
774 |
|
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
775 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
776 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
777 |
|
|
778 |
SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
779 |
|
|
780 |
if (this->Loops && GetPos() <= this->LoopEnd) { // honor looping if there are loop points defined |
if (pDimRgn->SampleLoops) { // honor looping if there are loop points defined |
781 |
|
|
782 |
switch (this->LoopType) { |
const DLS::sample_loop_t& loop = pDimRgn->pSampleLoops[0]; |
783 |
|
const uint32_t loopEnd = loop.LoopStart + loop.LoopLength; |
784 |
|
|
785 |
case loop_type_bidirectional: { //TODO: not tested yet! |
if (GetPos() <= loopEnd) { |
786 |
do { |
switch (loop.LoopType) { |
|
// if not endless loop check if max. number of loop cycles have been passed |
|
|
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
|
|
|
|
|
if (!pPlaybackState->reverse) { // forward playback |
|
|
do { |
|
|
samplestoloopend = this->LoopEnd - GetPos(); |
|
|
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
|
|
samplestoread -= readsamples; |
|
|
totalreadsamples += readsamples; |
|
|
if (readsamples == samplestoloopend) { |
|
|
pPlaybackState->reverse = true; |
|
|
break; |
|
|
} |
|
|
} while (samplestoread && readsamples); |
|
|
} |
|
|
else { // backward playback |
|
787 |
|
|
788 |
// as we can only read forward from disk, we have to |
case loop_type_bidirectional: { //TODO: not tested yet! |
789 |
// determine the end position within the loop first, |
do { |
790 |
// read forward from that 'end' and finally after |
// if not endless loop check if max. number of loop cycles have been passed |
791 |
// reading, swap all sample frames so it reflects |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
792 |
// backward playback |
|
793 |
|
if (!pPlaybackState->reverse) { // forward playback |
794 |
unsigned long swapareastart = totalreadsamples; |
do { |
795 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
samplestoloopend = loopEnd - GetPos(); |
796 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
797 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
samplestoread -= readsamples; |
798 |
|
totalreadsamples += readsamples; |
799 |
SetPos(reverseplaybackend); |
if (readsamples == samplestoloopend) { |
800 |
|
pPlaybackState->reverse = true; |
801 |
// read samples for backward playback |
break; |
802 |
do { |
} |
803 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
804 |
samplestoreadinloop -= readsamples; |
} |
805 |
samplestoread -= readsamples; |
else { // backward playback |
|
totalreadsamples += readsamples; |
|
|
} while (samplestoreadinloop && readsamples); |
|
806 |
|
|
807 |
SetPos(reverseplaybackend); // pretend we really read backwards |
// as we can only read forward from disk, we have to |
808 |
|
// determine the end position within the loop first, |
809 |
|
// read forward from that 'end' and finally after |
810 |
|
// reading, swap all sample frames so it reflects |
811 |
|
// backward playback |
812 |
|
|
813 |
|
unsigned long swapareastart = totalreadsamples; |
814 |
|
unsigned long loopoffset = GetPos() - loop.LoopStart; |
815 |
|
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
816 |
|
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
817 |
|
|
818 |
|
SetPos(reverseplaybackend); |
819 |
|
|
820 |
|
// read samples for backward playback |
821 |
|
do { |
822 |
|
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
823 |
|
samplestoreadinloop -= readsamples; |
824 |
|
samplestoread -= readsamples; |
825 |
|
totalreadsamples += readsamples; |
826 |
|
} while (samplestoreadinloop && readsamples); |
827 |
|
|
828 |
|
SetPos(reverseplaybackend); // pretend we really read backwards |
829 |
|
|
830 |
|
if (reverseplaybackend == loop.LoopStart) { |
831 |
|
pPlaybackState->loop_cycles_left--; |
832 |
|
pPlaybackState->reverse = false; |
833 |
|
} |
834 |
|
|
835 |
if (reverseplaybackend == this->LoopStart) { |
// reverse the sample frames for backward playback |
836 |
pPlaybackState->loop_cycles_left--; |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
|
pPlaybackState->reverse = false; |
|
837 |
} |
} |
838 |
|
} while (samplestoread && readsamples); |
839 |
|
break; |
840 |
|
} |
841 |
|
|
842 |
// reverse the sample frames for backward playback |
case loop_type_backward: { // TODO: not tested yet! |
843 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
// forward playback (not entered the loop yet) |
844 |
} |
if (!pPlaybackState->reverse) do { |
845 |
} while (samplestoread && readsamples); |
samplestoloopend = loopEnd - GetPos(); |
846 |
break; |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
847 |
} |
samplestoread -= readsamples; |
848 |
|
totalreadsamples += readsamples; |
849 |
case loop_type_backward: { // TODO: not tested yet! |
if (readsamples == samplestoloopend) { |
850 |
// forward playback (not entered the loop yet) |
pPlaybackState->reverse = true; |
851 |
if (!pPlaybackState->reverse) do { |
break; |
852 |
samplestoloopend = this->LoopEnd - GetPos(); |
} |
853 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
|
samplestoread -= readsamples; |
|
|
totalreadsamples += readsamples; |
|
|
if (readsamples == samplestoloopend) { |
|
|
pPlaybackState->reverse = true; |
|
|
break; |
|
|
} |
|
|
} while (samplestoread && readsamples); |
|
854 |
|
|
855 |
if (!samplestoread) break; |
if (!samplestoread) break; |
856 |
|
|
857 |
// as we can only read forward from disk, we have to |
// as we can only read forward from disk, we have to |
858 |
// determine the end position within the loop first, |
// determine the end position within the loop first, |
859 |
// read forward from that 'end' and finally after |
// read forward from that 'end' and finally after |
860 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
861 |
// backward playback |
// backward playback |
862 |
|
|
863 |
unsigned long swapareastart = totalreadsamples; |
unsigned long swapareastart = totalreadsamples; |
864 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
865 |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * LoopSize - loopoffset) |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * loop.LoopLength - loopoffset) |
866 |
: samplestoread; |
: samplestoread; |
867 |
unsigned long reverseplaybackend = this->LoopStart + Abs((loopoffset - samplestoreadinloop) % this->LoopSize); |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
868 |
|
|
869 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
870 |
|
|
871 |
// read samples for backward playback |
// read samples for backward playback |
872 |
do { |
do { |
873 |
// if not endless loop check if max. number of loop cycles have been passed |
// if not endless loop check if max. number of loop cycles have been passed |
874 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
875 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
876 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
877 |
samplestoreadinloop -= readsamples; |
samplestoreadinloop -= readsamples; |
878 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
879 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
880 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
881 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
882 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
883 |
} |
} |
884 |
} while (samplestoreadinloop && readsamples); |
} while (samplestoreadinloop && readsamples); |
885 |
|
|
886 |
SetPos(reverseplaybackend); // pretend we really read backwards |
SetPos(reverseplaybackend); // pretend we really read backwards |
887 |
|
|
888 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
889 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
890 |
break; |
break; |
891 |
} |
} |
892 |
|
|
893 |
default: case loop_type_normal: { |
default: case loop_type_normal: { |
894 |
do { |
do { |
895 |
// if not endless loop check if max. number of loop cycles have been passed |
// if not endless loop check if max. number of loop cycles have been passed |
896 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
897 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
898 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
899 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
900 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
901 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
902 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
903 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
904 |
} |
} |
905 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
906 |
break; |
break; |
907 |
|
} |
908 |
} |
} |
909 |
} |
} |
910 |
} |
} |
934 |
* have to use an external decompression buffer for <b>EACH</b> |
* have to use an external decompression buffer for <b>EACH</b> |
935 |
* streaming thread to avoid race conditions and crashes! |
* streaming thread to avoid race conditions and crashes! |
936 |
* |
* |
937 |
|
* For 16 bit samples, the data in the buffer will be int16_t |
938 |
|
* (using native endianness). For 24 bit, the buffer will |
939 |
|
* contain three bytes per sample, little-endian. |
940 |
|
* |
941 |
* @param pBuffer destination buffer |
* @param pBuffer destination buffer |
942 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
943 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
948 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
949 |
if (!Compressed) { |
if (!Compressed) { |
950 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
951 |
// 24 bit sample. For now just truncate to 16 bit. |
return pCkData->Read(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
|
unsigned char* pSrc = (unsigned char*) ((pExternalDecompressionBuffer) ? pExternalDecompressionBuffer->pStart : this->InternalDecompressionBuffer.pStart); |
|
|
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
|
|
if (Channels == 2) { // Stereo |
|
|
unsigned long readBytes = pCkData->Read(pSrc, SampleCount * 6, 1); |
|
|
pSrc++; |
|
|
for (unsigned long i = readBytes ; i > 0 ; i -= 3) { |
|
|
*pDst++ = get16(pSrc); |
|
|
pSrc += 3; |
|
|
} |
|
|
return (pDst - static_cast<int16_t*>(pBuffer)) >> 1; |
|
|
} |
|
|
else { // Mono |
|
|
unsigned long readBytes = pCkData->Read(pSrc, SampleCount * 3, 1); |
|
|
pSrc++; |
|
|
for (unsigned long i = readBytes ; i > 0 ; i -= 3) { |
|
|
*pDst++ = get16(pSrc); |
|
|
pSrc += 3; |
|
|
} |
|
|
return pDst - static_cast<int16_t*>(pBuffer); |
|
|
} |
|
952 |
} |
} |
953 |
else { // 16 bit |
else { // 16 bit |
954 |
// (pCkData->Read does endian correction) |
// (pCkData->Read does endian correction) |
978 |
|
|
979 |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
980 |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
981 |
|
uint8_t* pDst24 = static_cast<uint8_t*>(pBuffer); |
982 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
983 |
|
|
984 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1060 |
const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
1061 |
if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
1062 |
|
|
1063 |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
Decompress24(mode_l, param_l, 6, pSrc, pDst24, |
1064 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1065 |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 6, pSrc + rightChannelOffset, pDst24 + 3, |
1066 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1067 |
pDst += copysamples << 1; |
pDst24 += copysamples * 6; |
1068 |
} |
} |
1069 |
else { // Mono |
else { // Mono |
1070 |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
Decompress24(mode_l, param_l, 3, pSrc, pDst24, |
1071 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1072 |
pDst += copysamples; |
pDst24 += copysamples * 3; |
1073 |
} |
} |
1074 |
} |
} |
1075 |
else { // 16 bit |
else { // 16 bit |
1176 |
} |
} |
1177 |
} |
} |
1178 |
|
|
1179 |
|
/** |
1180 |
|
* Returns pointer to the Group this Sample belongs to. In the .gig |
1181 |
|
* format a sample always belongs to one group. If it wasn't explicitly |
1182 |
|
* assigned to a certain group, it will be automatically assigned to a |
1183 |
|
* default group. |
1184 |
|
* |
1185 |
|
* @returns Sample's Group (never NULL) |
1186 |
|
*/ |
1187 |
|
Group* Sample::GetGroup() const { |
1188 |
|
return pGroup; |
1189 |
|
} |
1190 |
|
|
1191 |
Sample::~Sample() { |
Sample::~Sample() { |
1192 |
Instances--; |
Instances--; |
1193 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
1217 |
|
|
1218 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1219 |
if (_3ewa) { // if '3ewa' chunk exists |
if (_3ewa) { // if '3ewa' chunk exists |
1220 |
_3ewa->ReadInt32(); // unknown, always 0x0000008C ? |
_3ewa->ReadInt32(); // unknown, always == chunk size ? |
1221 |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1222 |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1223 |
_3ewa->ReadInt16(); // unknown |
_3ewa->ReadInt16(); // unknown |
1362 |
if (lfo3ctrl & 0x40) // bit 6 |
if (lfo3ctrl & 0x40) // bit 6 |
1363 |
VCFType = vcf_type_lowpassturbo; |
VCFType = vcf_type_lowpassturbo; |
1364 |
} |
} |
1365 |
|
if (_3ewa->RemainingBytes() >= 8) { |
1366 |
|
_3ewa->Read(DimensionUpperLimits, 1, 8); |
1367 |
|
} else { |
1368 |
|
memset(DimensionUpperLimits, 0, 8); |
1369 |
|
} |
1370 |
} else { // '3ewa' chunk does not exist yet |
} else { // '3ewa' chunk does not exist yet |
1371 |
// use default values |
// use default values |
1372 |
LFO3Frequency = 1.0; |
LFO3Frequency = 1.0; |
1447 |
VCFVelocityDynamicRange = 0x04; |
VCFVelocityDynamicRange = 0x04; |
1448 |
VCFVelocityCurve = curve_type_linear; |
VCFVelocityCurve = curve_type_linear; |
1449 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1450 |
|
memset(DimensionUpperLimits, 0, 8); |
1451 |
} |
} |
1452 |
|
|
1453 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1503 |
|
|
1504 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1505 |
|
|
1506 |
const uint32_t unknown = 0x0000008C; // unknown, always 0x0000008C ? |
const uint32_t chunksize = _3ewa->GetSize(); |
1507 |
memcpy(&pData[0], &unknown, 4); |
store32(&pData[0], chunksize); // unknown, always chunk size? |
1508 |
|
|
1509 |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
1510 |
memcpy(&pData[4], &lfo3freq, 4); |
store32(&pData[4], lfo3freq); |
1511 |
|
|
1512 |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
1513 |
memcpy(&pData[4], &eg3attack, 4); |
store32(&pData[8], eg3attack); |
1514 |
|
|
1515 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1516 |
|
|
1517 |
memcpy(&pData[10], &LFO1InternalDepth, 2); |
store16(&pData[14], LFO1InternalDepth); |
1518 |
|
|
1519 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1520 |
|
|
1521 |
memcpy(&pData[14], &LFO3InternalDepth, 2); |
store16(&pData[18], LFO3InternalDepth); |
1522 |
|
|
1523 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1524 |
|
|
1525 |
memcpy(&pData[18], &LFO1ControlDepth, 2); |
store16(&pData[22], LFO1ControlDepth); |
1526 |
|
|
1527 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1528 |
|
|
1529 |
memcpy(&pData[22], &LFO3ControlDepth, 2); |
store16(&pData[26], LFO3ControlDepth); |
1530 |
|
|
1531 |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
1532 |
memcpy(&pData[24], &eg1attack, 4); |
store32(&pData[28], eg1attack); |
1533 |
|
|
1534 |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
1535 |
memcpy(&pData[28], &eg1decay1, 4); |
store32(&pData[32], eg1decay1); |
1536 |
|
|
1537 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1538 |
|
|
1539 |
memcpy(&pData[34], &EG1Sustain, 2); |
store16(&pData[38], EG1Sustain); |
1540 |
|
|
1541 |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
1542 |
memcpy(&pData[36], &eg1release, 4); |
store32(&pData[40], eg1release); |
1543 |
|
|
1544 |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
1545 |
memcpy(&pData[40], &eg1ctl, 1); |
pData[44] = eg1ctl; |
1546 |
|
|
1547 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1548 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
1549 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1550 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1551 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1552 |
memcpy(&pData[41], &eg1ctrloptions, 1); |
pData[45] = eg1ctrloptions; |
1553 |
|
|
1554 |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
1555 |
memcpy(&pData[42], &eg2ctl, 1); |
pData[46] = eg2ctl; |
1556 |
|
|
1557 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1558 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
1559 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1560 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1561 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1562 |
memcpy(&pData[43], &eg2ctrloptions, 1); |
pData[47] = eg2ctrloptions; |
1563 |
|
|
1564 |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
1565 |
memcpy(&pData[44], &lfo1freq, 4); |
store32(&pData[48], lfo1freq); |
1566 |
|
|
1567 |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
1568 |
memcpy(&pData[48], &eg2attack, 4); |
store32(&pData[52], eg2attack); |
1569 |
|
|
1570 |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
1571 |
memcpy(&pData[52], &eg2decay1, 4); |
store32(&pData[56], eg2decay1); |
1572 |
|
|
1573 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1574 |
|
|
1575 |
memcpy(&pData[58], &EG2Sustain, 2); |
store16(&pData[62], EG2Sustain); |
1576 |
|
|
1577 |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
1578 |
memcpy(&pData[60], &eg2release, 4); |
store32(&pData[64], eg2release); |
1579 |
|
|
1580 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1581 |
|
|
1582 |
memcpy(&pData[66], &LFO2ControlDepth, 2); |
store16(&pData[70], LFO2ControlDepth); |
1583 |
|
|
1584 |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
1585 |
memcpy(&pData[68], &lfo2freq, 4); |
store32(&pData[72], lfo2freq); |
1586 |
|
|
1587 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1588 |
|
|
1589 |
memcpy(&pData[72], &LFO2InternalDepth, 2); |
store16(&pData[78], LFO2InternalDepth); |
1590 |
|
|
1591 |
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); |
1592 |
memcpy(&pData[74], &eg1decay2, 4); |
store32(&pData[80], eg1decay2); |
1593 |
|
|
1594 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1595 |
|
|
1596 |
memcpy(&pData[80], &EG1PreAttack, 2); |
store16(&pData[86], EG1PreAttack); |
1597 |
|
|
1598 |
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); |
1599 |
memcpy(&pData[82], &eg2decay2, 4); |
store32(&pData[88], eg2decay2); |
1600 |
|
|
1601 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1602 |
|
|
1603 |
memcpy(&pData[88], &EG2PreAttack, 2); |
store16(&pData[94], EG2PreAttack); |
1604 |
|
|
1605 |
{ |
{ |
1606 |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
1618 |
default: |
default: |
1619 |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
1620 |
} |
} |
1621 |
memcpy(&pData[90], &velocityresponse, 1); |
pData[96] = velocityresponse; |
1622 |
} |
} |
1623 |
|
|
1624 |
{ |
{ |
1637 |
default: |
default: |
1638 |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
1639 |
} |
} |
1640 |
memcpy(&pData[91], &releasevelocityresponse, 1); |
pData[97] = releasevelocityresponse; |
1641 |
} |
} |
1642 |
|
|
1643 |
memcpy(&pData[92], &VelocityResponseCurveScaling, 1); |
pData[98] = VelocityResponseCurveScaling; |
1644 |
|
|
1645 |
memcpy(&pData[93], &AttenuationControllerThreshold, 1); |
pData[99] = AttenuationControllerThreshold; |
1646 |
|
|
1647 |
// next 4 bytes unknown |
// next 4 bytes unknown |
1648 |
|
|
1649 |
memcpy(&pData[98], &SampleStartOffset, 2); |
store16(&pData[104], SampleStartOffset); |
1650 |
|
|
1651 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1652 |
|
|
1665 |
default: |
default: |
1666 |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
1667 |
} |
} |
1668 |
memcpy(&pData[102], &pitchTrackDimensionBypass, 1); |
pData[108] = pitchTrackDimensionBypass; |
1669 |
} |
} |
1670 |
|
|
1671 |
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 |
1672 |
memcpy(&pData[103], &pan, 1); |
pData[109] = pan; |
1673 |
|
|
1674 |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
1675 |
memcpy(&pData[104], &selfmask, 1); |
pData[110] = selfmask; |
1676 |
|
|
1677 |
// next byte unknown |
// next byte unknown |
1678 |
|
|
1681 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
1682 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
1683 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
1684 |
memcpy(&pData[106], &lfo3ctrl, 1); |
pData[112] = lfo3ctrl; |
1685 |
} |
} |
1686 |
|
|
1687 |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
1688 |
memcpy(&pData[107], &attenctl, 1); |
pData[113] = attenctl; |
1689 |
|
|
1690 |
{ |
{ |
1691 |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
1692 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
1693 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
1694 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
1695 |
memcpy(&pData[108], &lfo2ctrl, 1); |
pData[114] = lfo2ctrl; |
1696 |
} |
} |
1697 |
|
|
1698 |
{ |
{ |
1701 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
1702 |
if (VCFResonanceController != vcf_res_ctrl_none) |
if (VCFResonanceController != vcf_res_ctrl_none) |
1703 |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
1704 |
memcpy(&pData[109], &lfo1ctrl, 1); |
pData[115] = lfo1ctrl; |
1705 |
} |
} |
1706 |
|
|
1707 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1708 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1709 |
memcpy(&pData[110], &eg3depth, 1); |
pData[116] = eg3depth; |
1710 |
|
|
1711 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1712 |
|
|
1713 |
const uint8_t channeloffset = ChannelOffset * 4; |
const uint8_t channeloffset = ChannelOffset * 4; |
1714 |
memcpy(&pData[113], &channeloffset, 1); |
pData[120] = channeloffset; |
1715 |
|
|
1716 |
{ |
{ |
1717 |
uint8_t regoptions = 0; |
uint8_t regoptions = 0; |
1718 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
1719 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
1720 |
memcpy(&pData[114], ®options, 1); |
pData[121] = regoptions; |
1721 |
} |
} |
1722 |
|
|
1723 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1724 |
|
|
1725 |
memcpy(&pData[117], &VelocityUpperLimit, 1); |
pData[124] = VelocityUpperLimit; |
1726 |
|
|
1727 |
// next 3 bytes unknown |
// next 3 bytes unknown |
1728 |
|
|
1729 |
memcpy(&pData[121], &ReleaseTriggerDecay, 1); |
pData[128] = ReleaseTriggerDecay; |
1730 |
|
|
1731 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1732 |
|
|
1733 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1734 |
memcpy(&pData[124], &eg1hold, 1); |
pData[131] = eg1hold; |
1735 |
|
|
1736 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
1737 |
(VCFCutoff) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1738 |
memcpy(&pData[125], &vcfcutoff, 1); |
pData[132] = vcfcutoff; |
1739 |
|
|
1740 |
memcpy(&pData[126], &VCFCutoffController, 1); |
pData[133] = VCFCutoffController; |
1741 |
|
|
1742 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
1743 |
(VCFVelocityScale) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1744 |
memcpy(&pData[127], &vcfvelscale, 1); |
pData[134] = vcfvelscale; |
1745 |
|
|
1746 |
// next byte unknown |
// next byte unknown |
1747 |
|
|
1748 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
1749 |
(VCFResonance) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
1750 |
memcpy(&pData[129], &vcfresonance, 1); |
pData[136] = vcfresonance; |
1751 |
|
|
1752 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
1753 |
(VCFKeyboardTrackingBreakpoint) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1754 |
memcpy(&pData[130], &vcfbreakpoint, 1); |
pData[137] = vcfbreakpoint; |
1755 |
|
|
1756 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
1757 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
1758 |
memcpy(&pData[131], &vcfvelocity, 1); |
pData[138] = vcfvelocity; |
1759 |
|
|
1760 |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
1761 |
memcpy(&pData[132], &vcftype, 1); |
pData[139] = vcftype; |
1762 |
|
|
1763 |
|
if (chunksize >= 148) { |
1764 |
|
memcpy(&pData[140], DimensionUpperLimits, 8); |
1765 |
|
} |
1766 |
} |
} |
1767 |
|
|
1768 |
// 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 |
2104 |
// * |
// * |
2105 |
|
|
2106 |
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) { |
2107 |
|
pInfo->UseFixedLengthStrings = true; |
2108 |
|
|
2109 |
// Initialization |
// Initialization |
2110 |
Dimensions = 0; |
Dimensions = 0; |
2111 |
for (int i = 0; i < 256; i++) { |
for (int i = 0; i < 256; i++) { |
2139 |
pDimensionDefinitions[i].dimension = dimension; |
pDimensionDefinitions[i].dimension = dimension; |
2140 |
pDimensionDefinitions[i].bits = bits; |
pDimensionDefinitions[i].bits = bits; |
2141 |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
2142 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = __resolveSplitType(dimension); |
2143 |
dimension == dimension_samplechannel || |
pDimensionDefinitions[i].zone_size = __resolveZoneSize(pDimensionDefinitions[i]); |
|
dimension == dimension_releasetrigger || |
|
|
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; |
|
2144 |
Dimensions++; |
Dimensions++; |
2145 |
|
|
2146 |
// if this is a layer dimension, remember the amount of layers |
// if this is a layer dimension, remember the amount of layers |
2163 |
// load sample references |
// load sample references |
2164 |
for (uint i = 0; i < DimensionRegions; i++) { |
for (uint i = 0; i < DimensionRegions; i++) { |
2165 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2166 |
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2167 |
} |
} |
2168 |
|
GetSample(); // load global region sample reference |
2169 |
|
} else { |
2170 |
|
DimensionRegions = 0; |
2171 |
} |
} |
2172 |
|
|
2173 |
// make sure there is at least one dimension region |
// make sure there is at least one dimension region |
2190 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
2191 |
*/ |
*/ |
2192 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
2193 |
|
// in the gig format we don't care about the Region's sample reference |
2194 |
|
// but we still have to provide some existing one to not corrupt the |
2195 |
|
// file, so to avoid the latter we simply always assign the sample of |
2196 |
|
// the first dimension region of this region |
2197 |
|
pSample = pDimensionRegions[0]->pSample; |
2198 |
|
|
2199 |
// first update base class's chunks |
// first update base class's chunks |
2200 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2201 |
|
|
2217 |
|
|
2218 |
// update dimension definitions in '3lnk' chunk |
// update dimension definitions in '3lnk' chunk |
2219 |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2220 |
|
store32(&pData[0], DimensionRegions); |
2221 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2222 |
pData[i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2223 |
pData[i * 8 + 1] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2224 |
// next 2 bytes unknown |
// next 2 bytes unknown |
2225 |
pData[i * 8 + 4] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2226 |
// next 3 bytes unknown |
// next 3 bytes unknown |
2227 |
} |
} |
2228 |
|
|
2242 |
} |
} |
2243 |
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"); |
2244 |
} |
} |
2245 |
memcpy(&pData[iWavePoolOffset + i * 4], &iWaveIndex, 4); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2246 |
} |
} |
2247 |
} |
} |
2248 |
|
|
2282 |
int dim[8] = { 0 }; |
int dim[8] = { 0 }; |
2283 |
for (int i = 0 ; i < DimensionRegions ; i++) { |
for (int i = 0 ; i < DimensionRegions ; i++) { |
2284 |
|
|
2285 |
if (pDimensionRegions[i]->VelocityUpperLimit) { |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
2286 |
|
pDimensionRegions[i]->VelocityUpperLimit) { |
2287 |
// create the velocity table |
// create the velocity table |
2288 |
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
2289 |
if (!table) { |
if (!table) { |
2292 |
} |
} |
2293 |
int tableidx = 0; |
int tableidx = 0; |
2294 |
int velocityZone = 0; |
int velocityZone = 0; |
2295 |
for (int k = i ; k < end ; k += step) { |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim]) { // gig3 |
2296 |
DimensionRegion *d = pDimensionRegions[k]; |
for (int k = i ; k < end ; k += step) { |
2297 |
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
DimensionRegion *d = pDimensionRegions[k]; |
2298 |
velocityZone++; |
for (; tableidx <= d->DimensionUpperLimits[veldim] ; tableidx++) table[tableidx] = velocityZone; |
2299 |
|
velocityZone++; |
2300 |
|
} |
2301 |
|
} else { // gig2 |
2302 |
|
for (int k = i ; k < end ; k += step) { |
2303 |
|
DimensionRegion *d = pDimensionRegions[k]; |
2304 |
|
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
2305 |
|
velocityZone++; |
2306 |
|
} |
2307 |
} |
} |
2308 |
} else { |
} else { |
2309 |
if (pDimensionRegions[i]->VelocityTable) { |
if (pDimensionRegions[i]->VelocityTable) { |
2370 |
// assign definition of new dimension |
// assign definition of new dimension |
2371 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[Dimensions] = *pDimDef; |
2372 |
|
|
2373 |
|
// auto correct certain dimension definition fields (where possible) |
2374 |
|
pDimensionDefinitions[Dimensions].split_type = |
2375 |
|
__resolveSplitType(pDimensionDefinitions[Dimensions].dimension); |
2376 |
|
pDimensionDefinitions[Dimensions].zone_size = |
2377 |
|
__resolveZoneSize(pDimensionDefinitions[Dimensions]); |
2378 |
|
|
2379 |
// create new dimension region(s) for this new dimension |
// create new dimension region(s) for this new dimension |
2380 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
2381 |
//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 |
2504 |
} else { |
} else { |
2505 |
switch (pDimensionDefinitions[i].split_type) { |
switch (pDimensionDefinitions[i].split_type) { |
2506 |
case split_type_normal: |
case split_type_normal: |
2507 |
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
if (pDimensionRegions[0]->DimensionUpperLimits[i]) { |
2508 |
|
// gig3: all normal dimensions (not just the velocity dimension) have custom zone ranges |
2509 |
|
for (bits = 0 ; bits < pDimensionDefinitions[i].zones ; bits++) { |
2510 |
|
if (DimValues[i] <= pDimensionRegions[bits << bitpos]->DimensionUpperLimits[i]) break; |
2511 |
|
} |
2512 |
|
} else { |
2513 |
|
// gig2: evenly sized zones |
2514 |
|
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
2515 |
|
} |
2516 |
break; |
break; |
2517 |
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 |
2518 |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
2526 |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
2527 |
if (veldim != -1) { |
if (veldim != -1) { |
2528 |
// (dimreg is now the dimension region for the lowest velocity) |
// (dimreg is now the dimension region for the lowest velocity) |
2529 |
if (dimreg->VelocityUpperLimit) // custom defined zone ranges |
if (dimreg->VelocityTable) // custom defined zone ranges |
2530 |
bits = dimreg->VelocityTable[DimValues[veldim]]; |
bits = dimreg->VelocityTable[DimValues[veldim]]; |
2531 |
else // normal split type |
else // normal split type |
2532 |
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
2574 |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
2575 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
2576 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
2577 |
|
if (!file->pWavePoolTable) return NULL; |
2578 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
2579 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
2580 |
Sample* sample = file->GetFirstSample(pProgress); |
Sample* sample = file->GetFirstSample(pProgress); |
2581 |
while (sample) { |
while (sample) { |
2582 |
if (sample->ulWavePoolOffset == soughtoffset && |
if (sample->ulWavePoolOffset == soughtoffset && |
2583 |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(pSample = sample); |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
2584 |
sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
2585 |
} |
} |
2586 |
return NULL; |
return NULL; |
2592 |
// * |
// * |
2593 |
|
|
2594 |
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) { |
2595 |
|
pInfo->UseFixedLengthStrings = true; |
2596 |
|
|
2597 |
// Initialization |
// Initialization |
2598 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
2599 |
|
|
2674 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
2675 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
2676 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
2677 |
memcpy(&pData[0], &EffectSend, 2); |
store16(&pData[0], EffectSend); |
2678 |
memcpy(&pData[2], &Attenuation, 4); |
store32(&pData[2], Attenuation); |
2679 |
memcpy(&pData[6], &FineTune, 2); |
store16(&pData[6], FineTune); |
2680 |
memcpy(&pData[8], &PitchbendRange, 2); |
store16(&pData[8], PitchbendRange); |
2681 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
2682 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
2683 |
memcpy(&pData[10], &dimkeystart, 1); |
pData[10] = dimkeystart; |
2684 |
memcpy(&pData[11], &DimensionKeyRange.high, 1); |
pData[11] = DimensionKeyRange.high; |
2685 |
} |
} |
2686 |
|
|
2687 |
/** |
/** |
2752 |
|
|
2753 |
|
|
2754 |
|
|
2755 |
|
// *************** Group *************** |
2756 |
|
// * |
2757 |
|
|
2758 |
|
/** @brief Constructor. |
2759 |
|
* |
2760 |
|
* @param file - pointer to the gig::File object |
2761 |
|
* @param ck3gnm - pointer to 3gnm chunk associated with this group or |
2762 |
|
* NULL if this is a new Group |
2763 |
|
*/ |
2764 |
|
Group::Group(File* file, RIFF::Chunk* ck3gnm) { |
2765 |
|
pFile = file; |
2766 |
|
pNameChunk = ck3gnm; |
2767 |
|
::LoadString(pNameChunk, Name); |
2768 |
|
} |
2769 |
|
|
2770 |
|
Group::~Group() { |
2771 |
|
// remove the chunk associated with this group (if any) |
2772 |
|
if (pNameChunk) pNameChunk->GetParent()->DeleteSubChunk(pNameChunk); |
2773 |
|
} |
2774 |
|
|
2775 |
|
/** @brief Update chunks with current group settings. |
2776 |
|
* |
2777 |
|
* Apply current Group field values to the respective chunks. You have |
2778 |
|
* to call File::Save() to make changes persistent. |
2779 |
|
* |
2780 |
|
* Usually there is absolutely no need to call this method explicitly. |
2781 |
|
* It will be called automatically when File::Save() was called. |
2782 |
|
*/ |
2783 |
|
void Group::UpdateChunks() { |
2784 |
|
// make sure <3gri> and <3gnl> list chunks exist |
2785 |
|
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
2786 |
|
if (!_3gri) _3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
2787 |
|
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
2788 |
|
if (!_3gnl) _3gnl = pFile->pRIFF->AddSubList(LIST_TYPE_3GNL); |
2789 |
|
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
2790 |
|
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
2791 |
|
} |
2792 |
|
|
2793 |
|
/** |
2794 |
|
* Returns the first Sample of this Group. You have to call this method |
2795 |
|
* once before you use GetNextSample(). |
2796 |
|
* |
2797 |
|
* <b>Notice:</b> this method might block for a long time, in case the |
2798 |
|
* samples of this .gig file were not scanned yet |
2799 |
|
* |
2800 |
|
* @returns pointer address to first Sample or NULL if there is none |
2801 |
|
* applied to this Group |
2802 |
|
* @see GetNextSample() |
2803 |
|
*/ |
2804 |
|
Sample* Group::GetFirstSample() { |
2805 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2806 |
|
for (Sample* pSample = pFile->GetFirstSample(); pSample; pSample = pFile->GetNextSample()) { |
2807 |
|
if (pSample->GetGroup() == this) return pSample; |
2808 |
|
} |
2809 |
|
return NULL; |
2810 |
|
} |
2811 |
|
|
2812 |
|
/** |
2813 |
|
* Returns the next Sample of the Group. You have to call |
2814 |
|
* GetFirstSample() once before you can use this method. By calling this |
2815 |
|
* method multiple times it iterates through the Samples assigned to |
2816 |
|
* this Group. |
2817 |
|
* |
2818 |
|
* @returns pointer address to the next Sample of this Group or NULL if |
2819 |
|
* end reached |
2820 |
|
* @see GetFirstSample() |
2821 |
|
*/ |
2822 |
|
Sample* Group::GetNextSample() { |
2823 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2824 |
|
for (Sample* pSample = pFile->GetNextSample(); pSample; pSample = pFile->GetNextSample()) { |
2825 |
|
if (pSample->GetGroup() == this) return pSample; |
2826 |
|
} |
2827 |
|
return NULL; |
2828 |
|
} |
2829 |
|
|
2830 |
|
/** |
2831 |
|
* Move Sample given by \a pSample from another Group to this Group. |
2832 |
|
*/ |
2833 |
|
void Group::AddSample(Sample* pSample) { |
2834 |
|
pSample->pGroup = this; |
2835 |
|
} |
2836 |
|
|
2837 |
|
/** |
2838 |
|
* Move all members of this group to another group (preferably the 1st |
2839 |
|
* one except this). This method is called explicitly by |
2840 |
|
* File::DeleteGroup() thus when a Group was deleted. This code was |
2841 |
|
* intentionally not placed in the destructor! |
2842 |
|
*/ |
2843 |
|
void Group::MoveAll() { |
2844 |
|
// get "that" other group first |
2845 |
|
Group* pOtherGroup = NULL; |
2846 |
|
for (pOtherGroup = pFile->GetFirstGroup(); pOtherGroup; pOtherGroup = pFile->GetNextGroup()) { |
2847 |
|
if (pOtherGroup != this) break; |
2848 |
|
} |
2849 |
|
if (!pOtherGroup) throw Exception( |
2850 |
|
"Could not move samples to another group, since there is no " |
2851 |
|
"other Group. This is a bug, report it!" |
2852 |
|
); |
2853 |
|
// now move all samples of this group to the other group |
2854 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
2855 |
|
pOtherGroup->AddSample(pSample); |
2856 |
|
} |
2857 |
|
} |
2858 |
|
|
2859 |
|
|
2860 |
|
|
2861 |
// *************** File *************** |
// *************** File *************** |
2862 |
// * |
// * |
2863 |
|
|
2864 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
2865 |
|
pGroups = NULL; |
2866 |
|
pInfo->UseFixedLengthStrings = true; |
2867 |
} |
} |
2868 |
|
|
2869 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
2870 |
|
pGroups = NULL; |
2871 |
|
pInfo->UseFixedLengthStrings = true; |
2872 |
|
} |
2873 |
|
|
2874 |
|
File::~File() { |
2875 |
|
if (pGroups) { |
2876 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
2877 |
|
std::list<Group*>::iterator end = pGroups->end(); |
2878 |
|
while (iter != end) { |
2879 |
|
delete *iter; |
2880 |
|
++iter; |
2881 |
|
} |
2882 |
|
delete pGroups; |
2883 |
|
} |
2884 |
} |
} |
2885 |
|
|
2886 |
Sample* File::GetFirstSample(progress_t* pProgress) { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
2926 |
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"); |
2927 |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
2928 |
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"); |
2929 |
|
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
2930 |
pSamples->erase(iter); |
pSamples->erase(iter); |
2931 |
delete pSample; |
delete pSample; |
2932 |
} |
} |
2936 |
} |
} |
2937 |
|
|
2938 |
void File::LoadSamples(progress_t* pProgress) { |
void File::LoadSamples(progress_t* pProgress) { |
2939 |
|
// Groups must be loaded before samples, because samples will try |
2940 |
|
// to resolve the group they belong to |
2941 |
|
if (!pGroups) LoadGroups(); |
2942 |
|
|
2943 |
if (!pSamples) pSamples = new SampleList; |
if (!pSamples) pSamples = new SampleList; |
2944 |
|
|
2945 |
RIFF::File* file = pRIFF; |
RIFF::File* file = pRIFF; |
3063 |
* have to call Save() to make this persistent to the file. |
* have to call Save() to make this persistent to the file. |
3064 |
* |
* |
3065 |
* @param pInstrument - instrument to delete |
* @param pInstrument - instrument to delete |
3066 |
* @throws gig::Excption if given instrument could not be found |
* @throws gig::Exception if given instrument could not be found |
3067 |
*/ |
*/ |
3068 |
void File::DeleteInstrument(Instrument* pInstrument) { |
void File::DeleteInstrument(Instrument* pInstrument) { |
3069 |
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"); |
3103 |
} |
} |
3104 |
} |
} |
3105 |
|
|
3106 |
|
Group* File::GetFirstGroup() { |
3107 |
|
if (!pGroups) LoadGroups(); |
3108 |
|
// there must always be at least one group |
3109 |
|
GroupsIterator = pGroups->begin(); |
3110 |
|
return *GroupsIterator; |
3111 |
|
} |
3112 |
|
|
3113 |
|
Group* File::GetNextGroup() { |
3114 |
|
if (!pGroups) return NULL; |
3115 |
|
++GroupsIterator; |
3116 |
|
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
3117 |
|
} |
3118 |
|
|
3119 |
|
/** |
3120 |
|
* Returns the group with the given index. |
3121 |
|
* |
3122 |
|
* @param index - number of the sought group (0..n) |
3123 |
|
* @returns sought group or NULL if there's no such group |
3124 |
|
*/ |
3125 |
|
Group* File::GetGroup(uint index) { |
3126 |
|
if (!pGroups) LoadGroups(); |
3127 |
|
GroupsIterator = pGroups->begin(); |
3128 |
|
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
3129 |
|
if (i == index) return *GroupsIterator; |
3130 |
|
++GroupsIterator; |
3131 |
|
} |
3132 |
|
return NULL; |
3133 |
|
} |
3134 |
|
|
3135 |
|
Group* File::AddGroup() { |
3136 |
|
if (!pGroups) LoadGroups(); |
3137 |
|
// there must always be at least one group |
3138 |
|
__ensureMandatoryChunksExist(); |
3139 |
|
Group* pGroup = new Group(this, NULL); |
3140 |
|
pGroups->push_back(pGroup); |
3141 |
|
return pGroup; |
3142 |
|
} |
3143 |
|
|
3144 |
|
/** @brief Delete a group and its samples. |
3145 |
|
* |
3146 |
|
* This will delete the given Group object and all the samples that |
3147 |
|
* belong to this group from the gig file. You have to call Save() to |
3148 |
|
* make this persistent to the file. |
3149 |
|
* |
3150 |
|
* @param pGroup - group to delete |
3151 |
|
* @throws gig::Exception if given group could not be found |
3152 |
|
*/ |
3153 |
|
void File::DeleteGroup(Group* pGroup) { |
3154 |
|
if (!pGroups) LoadGroups(); |
3155 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3156 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3157 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3158 |
|
// delete all members of this group |
3159 |
|
for (Sample* pSample = pGroup->GetFirstSample(); pSample; pSample = pGroup->GetNextSample()) { |
3160 |
|
DeleteSample(pSample); |
3161 |
|
} |
3162 |
|
// now delete this group object |
3163 |
|
pGroups->erase(iter); |
3164 |
|
delete pGroup; |
3165 |
|
} |
3166 |
|
|
3167 |
|
/** @brief Delete a group. |
3168 |
|
* |
3169 |
|
* This will delete the given Group object from the gig file. All the |
3170 |
|
* samples that belong to this group will not be deleted, but instead |
3171 |
|
* be moved to another group. You have to call Save() to make this |
3172 |
|
* persistent to the file. |
3173 |
|
* |
3174 |
|
* @param pGroup - group to delete |
3175 |
|
* @throws gig::Exception if given group could not be found |
3176 |
|
*/ |
3177 |
|
void File::DeleteGroupOnly(Group* pGroup) { |
3178 |
|
if (!pGroups) LoadGroups(); |
3179 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3180 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3181 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3182 |
|
// move all members of this group to another group |
3183 |
|
pGroup->MoveAll(); |
3184 |
|
pGroups->erase(iter); |
3185 |
|
delete pGroup; |
3186 |
|
} |
3187 |
|
|
3188 |
|
void File::LoadGroups() { |
3189 |
|
if (!pGroups) pGroups = new std::list<Group*>; |
3190 |
|
// try to read defined groups from file |
3191 |
|
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
3192 |
|
if (lst3gri) { |
3193 |
|
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
3194 |
|
if (lst3gnl) { |
3195 |
|
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3196 |
|
while (ck) { |
3197 |
|
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3198 |
|
pGroups->push_back(new Group(this, ck)); |
3199 |
|
} |
3200 |
|
ck = lst3gnl->GetNextSubChunk(); |
3201 |
|
} |
3202 |
|
} |
3203 |
|
} |
3204 |
|
// if there were no group(s), create at least the mandatory default group |
3205 |
|
if (!pGroups->size()) { |
3206 |
|
Group* pGroup = new Group(this, NULL); |
3207 |
|
pGroup->Name = "Default Group"; |
3208 |
|
pGroups->push_back(pGroup); |
3209 |
|
} |
3210 |
|
} |
3211 |
|
|
3212 |
|
/** |
3213 |
|
* Apply all the gig file's current instruments, samples, groups and settings |
3214 |
|
* to the respective RIFF chunks. You have to call Save() to make changes |
3215 |
|
* persistent. |
3216 |
|
* |
3217 |
|
* Usually there is absolutely no need to call this method explicitly. |
3218 |
|
* It will be called automatically when File::Save() was called. |
3219 |
|
* |
3220 |
|
* @throws Exception - on errors |
3221 |
|
*/ |
3222 |
|
void File::UpdateChunks() { |
3223 |
|
// first update base class's chunks |
3224 |
|
DLS::File::UpdateChunks(); |
3225 |
|
|
3226 |
|
// update group's chunks |
3227 |
|
if (pGroups) { |
3228 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
3229 |
|
std::list<Group*>::iterator end = pGroups->end(); |
3230 |
|
for (; iter != end; ++iter) { |
3231 |
|
(*iter)->UpdateChunks(); |
3232 |
|
} |
3233 |
|
} |
3234 |
|
} |
3235 |
|
|
3236 |
|
|
3237 |
|
|
3238 |
// *************** Exception *************** |
// *************** Exception *************** |