2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file loader library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2005 by Christian Schoenebeck * |
* Copyright (C) 2003-2006 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--; |
279 |
* is located, 0 otherwise |
* is located, 0 otherwise |
280 |
*/ |
*/ |
281 |
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) { |
282 |
|
pInfo->UseFixedLengthStrings = true; |
283 |
Instances++; |
Instances++; |
284 |
FileNo = fileNo; |
FileNo = fileNo; |
285 |
|
|
286 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
287 |
if (pCk3gix) { |
if (pCk3gix) { |
288 |
SampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
289 |
|
// caution: sample groups in .gig files are indexed (1..n) whereas Groups in libgig (0..n-1) |
290 |
|
pGroup = pFile->GetGroup(iSampleGroup - 1); |
291 |
} else { // '3gix' chunk missing |
} else { // '3gix' chunk missing |
292 |
// use default value(s) |
// not assigned to a group by default |
293 |
SampleGroup = 0; |
pGroup = NULL; |
294 |
} |
} |
295 |
|
|
296 |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
314 |
// use default values |
// use default values |
315 |
Manufacturer = 0; |
Manufacturer = 0; |
316 |
Product = 0; |
Product = 0; |
317 |
SamplePeriod = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
318 |
MIDIUnityNote = 64; |
MIDIUnityNote = 64; |
319 |
FineTune = 0; |
FineTune = 0; |
320 |
SMPTEOffset = 0; |
SMPTEOffset = 0; |
355 |
} |
} |
356 |
FrameOffset = 0; // just for streaming compressed samples |
FrameOffset = 0; // just for streaming compressed samples |
357 |
|
|
358 |
LoopSize = LoopEnd - LoopStart; |
LoopSize = LoopEnd - LoopStart + 1; |
359 |
} |
} |
360 |
|
|
361 |
/** |
/** |
378 |
if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
379 |
// update 'smpl' chunk |
// update 'smpl' chunk |
380 |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
381 |
SamplePeriod = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
382 |
memcpy(&pData[0], &Manufacturer, 4); |
memcpy(&pData[0], &Manufacturer, 4); |
383 |
memcpy(&pData[4], &Product, 4); |
memcpy(&pData[4], &Product, 4); |
384 |
memcpy(&pData[8], &SamplePeriod, 4); |
memcpy(&pData[8], &SamplePeriod, 4); |
400 |
// make sure '3gix' chunk exists |
// make sure '3gix' chunk exists |
401 |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
402 |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
403 |
|
// determine appropriate sample group index (to be stored in chunk) |
404 |
|
uint16_t iSampleGroup = 0; // no sample group by default |
405 |
|
File* pFile = static_cast<File*>(pParent); |
406 |
|
if (pFile->pGroups) { |
407 |
|
std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
408 |
|
std::list<Group*>::iterator end = pFile->pGroups->end(); |
409 |
|
// caution: sample groups in .gig files are indexed (1..n) whereas Groups in libgig (0..n-1) |
410 |
|
for (int i = 1; iter != end; i++, iter++) { |
411 |
|
if (*iter == pGroup) { |
412 |
|
iSampleGroup = i; |
413 |
|
break; // found |
414 |
|
} |
415 |
|
} |
416 |
|
} |
417 |
// update '3gix' chunk |
// update '3gix' chunk |
418 |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
419 |
memcpy(&pData[0], &SampleGroup, 2); |
memcpy(&pData[0], &iSampleGroup, 2); |
420 |
} |
} |
421 |
|
|
422 |
/// 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). |
743 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
744 |
* @param pPlaybackState will be used to store and reload the playback |
* @param pPlaybackState will be used to store and reload the playback |
745 |
* state for the next ReadAndLoop() call |
* state for the next ReadAndLoop() call |
746 |
|
* @param pDimRgn dimension region with looping information |
747 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
748 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
749 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
750 |
*/ |
*/ |
751 |
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, |
752 |
|
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
753 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
754 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
755 |
|
|
756 |
SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
757 |
|
|
758 |
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 |
759 |
|
|
760 |
switch (this->LoopType) { |
const DLS::sample_loop_t& loop = pDimRgn->pSampleLoops[0]; |
761 |
|
const uint32_t loopEnd = loop.LoopStart + loop.LoopLength; |
762 |
|
|
763 |
case loop_type_bidirectional: { //TODO: not tested yet! |
if (GetPos() <= loopEnd) { |
764 |
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 |
|
765 |
|
|
766 |
// as we can only read forward from disk, we have to |
case loop_type_bidirectional: { //TODO: not tested yet! |
767 |
// determine the end position within the loop first, |
do { |
768 |
// read forward from that 'end' and finally after |
// if not endless loop check if max. number of loop cycles have been passed |
769 |
// reading, swap all sample frames so it reflects |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
770 |
// backward playback |
|
771 |
|
if (!pPlaybackState->reverse) { // forward playback |
772 |
unsigned long swapareastart = totalreadsamples; |
do { |
773 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
samplestoloopend = loopEnd - GetPos(); |
774 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
775 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
samplestoread -= readsamples; |
776 |
|
totalreadsamples += readsamples; |
777 |
SetPos(reverseplaybackend); |
if (readsamples == samplestoloopend) { |
778 |
|
pPlaybackState->reverse = true; |
779 |
// read samples for backward playback |
break; |
780 |
do { |
} |
781 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
782 |
samplestoreadinloop -= readsamples; |
} |
783 |
samplestoread -= readsamples; |
else { // backward playback |
|
totalreadsamples += readsamples; |
|
|
} while (samplestoreadinloop && readsamples); |
|
784 |
|
|
785 |
SetPos(reverseplaybackend); // pretend we really read backwards |
// as we can only read forward from disk, we have to |
786 |
|
// determine the end position within the loop first, |
787 |
|
// read forward from that 'end' and finally after |
788 |
|
// reading, swap all sample frames so it reflects |
789 |
|
// backward playback |
790 |
|
|
791 |
|
unsigned long swapareastart = totalreadsamples; |
792 |
|
unsigned long loopoffset = GetPos() - loop.LoopStart; |
793 |
|
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
794 |
|
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
795 |
|
|
796 |
|
SetPos(reverseplaybackend); |
797 |
|
|
798 |
|
// read samples for backward playback |
799 |
|
do { |
800 |
|
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
801 |
|
samplestoreadinloop -= readsamples; |
802 |
|
samplestoread -= readsamples; |
803 |
|
totalreadsamples += readsamples; |
804 |
|
} while (samplestoreadinloop && readsamples); |
805 |
|
|
806 |
|
SetPos(reverseplaybackend); // pretend we really read backwards |
807 |
|
|
808 |
|
if (reverseplaybackend == loop.LoopStart) { |
809 |
|
pPlaybackState->loop_cycles_left--; |
810 |
|
pPlaybackState->reverse = false; |
811 |
|
} |
812 |
|
|
813 |
if (reverseplaybackend == this->LoopStart) { |
// reverse the sample frames for backward playback |
814 |
pPlaybackState->loop_cycles_left--; |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
|
pPlaybackState->reverse = false; |
|
815 |
} |
} |
816 |
|
} while (samplestoread && readsamples); |
817 |
|
break; |
818 |
|
} |
819 |
|
|
820 |
// reverse the sample frames for backward playback |
case loop_type_backward: { // TODO: not tested yet! |
821 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
// forward playback (not entered the loop yet) |
822 |
} |
if (!pPlaybackState->reverse) do { |
823 |
} while (samplestoread && readsamples); |
samplestoloopend = loopEnd - GetPos(); |
824 |
break; |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
825 |
} |
samplestoread -= readsamples; |
826 |
|
totalreadsamples += readsamples; |
827 |
case loop_type_backward: { // TODO: not tested yet! |
if (readsamples == samplestoloopend) { |
828 |
// forward playback (not entered the loop yet) |
pPlaybackState->reverse = true; |
829 |
if (!pPlaybackState->reverse) do { |
break; |
830 |
samplestoloopend = this->LoopEnd - GetPos(); |
} |
831 |
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); |
|
832 |
|
|
833 |
if (!samplestoread) break; |
if (!samplestoread) break; |
834 |
|
|
835 |
// as we can only read forward from disk, we have to |
// as we can only read forward from disk, we have to |
836 |
// determine the end position within the loop first, |
// determine the end position within the loop first, |
837 |
// read forward from that 'end' and finally after |
// read forward from that 'end' and finally after |
838 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
839 |
// backward playback |
// backward playback |
840 |
|
|
841 |
unsigned long swapareastart = totalreadsamples; |
unsigned long swapareastart = totalreadsamples; |
842 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
843 |
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) |
844 |
: samplestoread; |
: samplestoread; |
845 |
unsigned long reverseplaybackend = this->LoopStart + Abs((loopoffset - samplestoreadinloop) % this->LoopSize); |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
846 |
|
|
847 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
848 |
|
|
849 |
// read samples for backward playback |
// read samples for backward playback |
850 |
do { |
do { |
851 |
// 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 |
852 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
853 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
854 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
855 |
samplestoreadinloop -= readsamples; |
samplestoreadinloop -= readsamples; |
856 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
857 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
858 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
859 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
860 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
861 |
} |
} |
862 |
} while (samplestoreadinloop && readsamples); |
} while (samplestoreadinloop && readsamples); |
863 |
|
|
864 |
SetPos(reverseplaybackend); // pretend we really read backwards |
SetPos(reverseplaybackend); // pretend we really read backwards |
865 |
|
|
866 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
867 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
868 |
break; |
break; |
869 |
} |
} |
870 |
|
|
871 |
default: case loop_type_normal: { |
default: case loop_type_normal: { |
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(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
877 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
878 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
879 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
880 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
881 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
882 |
} |
} |
883 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
884 |
break; |
break; |
885 |
|
} |
886 |
} |
} |
887 |
} |
} |
888 |
} |
} |
912 |
* have to use an external decompression buffer for <b>EACH</b> |
* have to use an external decompression buffer for <b>EACH</b> |
913 |
* streaming thread to avoid race conditions and crashes! |
* streaming thread to avoid race conditions and crashes! |
914 |
* |
* |
915 |
|
* For 16 bit samples, the data in the buffer will be int16_t |
916 |
|
* (using native endianness). For 24 bit, the buffer will |
917 |
|
* contain three bytes per sample, little-endian. |
918 |
|
* |
919 |
* @param pBuffer destination buffer |
* @param pBuffer destination buffer |
920 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
921 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
926 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
927 |
if (!Compressed) { |
if (!Compressed) { |
928 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
929 |
// 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); |
|
|
} |
|
930 |
} |
} |
931 |
else { // 16 bit |
else { // 16 bit |
932 |
// (pCkData->Read does endian correction) |
// (pCkData->Read does endian correction) |
956 |
|
|
957 |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
958 |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
959 |
|
uint8_t* pDst24 = static_cast<uint8_t*>(pBuffer); |
960 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
961 |
|
|
962 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1038 |
const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
1039 |
if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
1040 |
|
|
1041 |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
Decompress24(mode_l, param_l, 6, pSrc, pDst24, |
1042 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1043 |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 6, pSrc + rightChannelOffset, pDst24 + 3, |
1044 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1045 |
pDst += copysamples << 1; |
pDst24 += copysamples * 6; |
1046 |
} |
} |
1047 |
else { // Mono |
else { // Mono |
1048 |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
Decompress24(mode_l, param_l, 3, pSrc, pDst24, |
1049 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1050 |
pDst += copysamples; |
pDst24 += copysamples * 3; |
1051 |
} |
} |
1052 |
} |
} |
1053 |
else { // 16 bit |
else { // 16 bit |
1183 |
|
|
1184 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1185 |
if (_3ewa) { // if '3ewa' chunk exists |
if (_3ewa) { // if '3ewa' chunk exists |
1186 |
_3ewa->ReadInt32(); // unknown, always 0x0000008C ? |
_3ewa->ReadInt32(); // unknown, always == chunk size ? |
1187 |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1188 |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1189 |
_3ewa->ReadInt16(); // unknown |
_3ewa->ReadInt16(); // unknown |
1463 |
|
|
1464 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1465 |
|
|
1466 |
const uint32_t unknown = 0x0000008C; // unknown, always 0x0000008C ? |
const uint32_t unknown = _3ewa->GetSize(); // unknown, always chunk size ? |
1467 |
memcpy(&pData[0], &unknown, 4); |
memcpy(&pData[0], &unknown, 4); |
1468 |
|
|
1469 |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
1470 |
memcpy(&pData[4], &lfo3freq, 4); |
memcpy(&pData[4], &lfo3freq, 4); |
1471 |
|
|
1472 |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
1473 |
memcpy(&pData[4], &eg3attack, 4); |
memcpy(&pData[8], &eg3attack, 4); |
1474 |
|
|
1475 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1476 |
|
|
1477 |
memcpy(&pData[10], &LFO1InternalDepth, 2); |
memcpy(&pData[14], &LFO1InternalDepth, 2); |
1478 |
|
|
1479 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1480 |
|
|
1481 |
memcpy(&pData[14], &LFO3InternalDepth, 2); |
memcpy(&pData[18], &LFO3InternalDepth, 2); |
1482 |
|
|
1483 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1484 |
|
|
1485 |
memcpy(&pData[18], &LFO1ControlDepth, 2); |
memcpy(&pData[22], &LFO1ControlDepth, 2); |
1486 |
|
|
1487 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1488 |
|
|
1489 |
memcpy(&pData[22], &LFO3ControlDepth, 2); |
memcpy(&pData[26], &LFO3ControlDepth, 2); |
1490 |
|
|
1491 |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
1492 |
memcpy(&pData[24], &eg1attack, 4); |
memcpy(&pData[28], &eg1attack, 4); |
1493 |
|
|
1494 |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
1495 |
memcpy(&pData[28], &eg1decay1, 4); |
memcpy(&pData[32], &eg1decay1, 4); |
1496 |
|
|
1497 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1498 |
|
|
1499 |
memcpy(&pData[34], &EG1Sustain, 2); |
memcpy(&pData[38], &EG1Sustain, 2); |
1500 |
|
|
1501 |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
1502 |
memcpy(&pData[36], &eg1release, 4); |
memcpy(&pData[40], &eg1release, 4); |
1503 |
|
|
1504 |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
1505 |
memcpy(&pData[40], &eg1ctl, 1); |
memcpy(&pData[44], &eg1ctl, 1); |
1506 |
|
|
1507 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1508 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
1509 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1510 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1511 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1512 |
memcpy(&pData[41], &eg1ctrloptions, 1); |
memcpy(&pData[45], &eg1ctrloptions, 1); |
1513 |
|
|
1514 |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
1515 |
memcpy(&pData[42], &eg2ctl, 1); |
memcpy(&pData[46], &eg2ctl, 1); |
1516 |
|
|
1517 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1518 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
1519 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1520 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1521 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1522 |
memcpy(&pData[43], &eg2ctrloptions, 1); |
memcpy(&pData[47], &eg2ctrloptions, 1); |
1523 |
|
|
1524 |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
1525 |
memcpy(&pData[44], &lfo1freq, 4); |
memcpy(&pData[48], &lfo1freq, 4); |
1526 |
|
|
1527 |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
1528 |
memcpy(&pData[48], &eg2attack, 4); |
memcpy(&pData[52], &eg2attack, 4); |
1529 |
|
|
1530 |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
1531 |
memcpy(&pData[52], &eg2decay1, 4); |
memcpy(&pData[56], &eg2decay1, 4); |
1532 |
|
|
1533 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1534 |
|
|
1535 |
memcpy(&pData[58], &EG2Sustain, 2); |
memcpy(&pData[62], &EG2Sustain, 2); |
1536 |
|
|
1537 |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
1538 |
memcpy(&pData[60], &eg2release, 4); |
memcpy(&pData[64], &eg2release, 4); |
1539 |
|
|
1540 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1541 |
|
|
1542 |
memcpy(&pData[66], &LFO2ControlDepth, 2); |
memcpy(&pData[70], &LFO2ControlDepth, 2); |
1543 |
|
|
1544 |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
1545 |
memcpy(&pData[68], &lfo2freq, 4); |
memcpy(&pData[72], &lfo2freq, 4); |
1546 |
|
|
1547 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1548 |
|
|
1549 |
memcpy(&pData[72], &LFO2InternalDepth, 2); |
memcpy(&pData[78], &LFO2InternalDepth, 2); |
1550 |
|
|
1551 |
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); |
1552 |
memcpy(&pData[74], &eg1decay2, 4); |
memcpy(&pData[80], &eg1decay2, 4); |
1553 |
|
|
1554 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1555 |
|
|
1556 |
memcpy(&pData[80], &EG1PreAttack, 2); |
memcpy(&pData[86], &EG1PreAttack, 2); |
1557 |
|
|
1558 |
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); |
1559 |
memcpy(&pData[82], &eg2decay2, 4); |
memcpy(&pData[88], &eg2decay2, 4); |
1560 |
|
|
1561 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1562 |
|
|
1563 |
memcpy(&pData[88], &EG2PreAttack, 2); |
memcpy(&pData[94], &EG2PreAttack, 2); |
1564 |
|
|
1565 |
{ |
{ |
1566 |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
1578 |
default: |
default: |
1579 |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
1580 |
} |
} |
1581 |
memcpy(&pData[90], &velocityresponse, 1); |
memcpy(&pData[96], &velocityresponse, 1); |
1582 |
} |
} |
1583 |
|
|
1584 |
{ |
{ |
1597 |
default: |
default: |
1598 |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
1599 |
} |
} |
1600 |
memcpy(&pData[91], &releasevelocityresponse, 1); |
memcpy(&pData[97], &releasevelocityresponse, 1); |
1601 |
} |
} |
1602 |
|
|
1603 |
memcpy(&pData[92], &VelocityResponseCurveScaling, 1); |
memcpy(&pData[98], &VelocityResponseCurveScaling, 1); |
1604 |
|
|
1605 |
memcpy(&pData[93], &AttenuationControllerThreshold, 1); |
memcpy(&pData[99], &AttenuationControllerThreshold, 1); |
1606 |
|
|
1607 |
// next 4 bytes unknown |
// next 4 bytes unknown |
1608 |
|
|
1609 |
memcpy(&pData[98], &SampleStartOffset, 2); |
memcpy(&pData[104], &SampleStartOffset, 2); |
1610 |
|
|
1611 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1612 |
|
|
1625 |
default: |
default: |
1626 |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
1627 |
} |
} |
1628 |
memcpy(&pData[102], &pitchTrackDimensionBypass, 1); |
memcpy(&pData[108], &pitchTrackDimensionBypass, 1); |
1629 |
} |
} |
1630 |
|
|
1631 |
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 |
1632 |
memcpy(&pData[103], &pan, 1); |
memcpy(&pData[109], &pan, 1); |
1633 |
|
|
1634 |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
1635 |
memcpy(&pData[104], &selfmask, 1); |
memcpy(&pData[110], &selfmask, 1); |
1636 |
|
|
1637 |
// next byte unknown |
// next byte unknown |
1638 |
|
|
1641 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
1642 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
1643 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
1644 |
memcpy(&pData[106], &lfo3ctrl, 1); |
memcpy(&pData[112], &lfo3ctrl, 1); |
1645 |
} |
} |
1646 |
|
|
1647 |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
1648 |
memcpy(&pData[107], &attenctl, 1); |
memcpy(&pData[113], &attenctl, 1); |
1649 |
|
|
1650 |
{ |
{ |
1651 |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
1652 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
1653 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
1654 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
1655 |
memcpy(&pData[108], &lfo2ctrl, 1); |
memcpy(&pData[114], &lfo2ctrl, 1); |
1656 |
} |
} |
1657 |
|
|
1658 |
{ |
{ |
1661 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
1662 |
if (VCFResonanceController != vcf_res_ctrl_none) |
if (VCFResonanceController != vcf_res_ctrl_none) |
1663 |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
1664 |
memcpy(&pData[109], &lfo1ctrl, 1); |
memcpy(&pData[115], &lfo1ctrl, 1); |
1665 |
} |
} |
1666 |
|
|
1667 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1668 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1669 |
memcpy(&pData[110], &eg3depth, 1); |
memcpy(&pData[116], &eg3depth, 1); |
1670 |
|
|
1671 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1672 |
|
|
1673 |
const uint8_t channeloffset = ChannelOffset * 4; |
const uint8_t channeloffset = ChannelOffset * 4; |
1674 |
memcpy(&pData[113], &channeloffset, 1); |
memcpy(&pData[120], &channeloffset, 1); |
1675 |
|
|
1676 |
{ |
{ |
1677 |
uint8_t regoptions = 0; |
uint8_t regoptions = 0; |
1678 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
1679 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
1680 |
memcpy(&pData[114], ®options, 1); |
memcpy(&pData[121], ®options, 1); |
1681 |
} |
} |
1682 |
|
|
1683 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1684 |
|
|
1685 |
memcpy(&pData[117], &VelocityUpperLimit, 1); |
memcpy(&pData[124], &VelocityUpperLimit, 1); |
1686 |
|
|
1687 |
// next 3 bytes unknown |
// next 3 bytes unknown |
1688 |
|
|
1689 |
memcpy(&pData[121], &ReleaseTriggerDecay, 1); |
memcpy(&pData[128], &ReleaseTriggerDecay, 1); |
1690 |
|
|
1691 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1692 |
|
|
1693 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1694 |
memcpy(&pData[124], &eg1hold, 1); |
memcpy(&pData[131], &eg1hold, 1); |
1695 |
|
|
1696 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
1697 |
(VCFCutoff) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1698 |
memcpy(&pData[125], &vcfcutoff, 1); |
memcpy(&pData[132], &vcfcutoff, 1); |
1699 |
|
|
1700 |
memcpy(&pData[126], &VCFCutoffController, 1); |
memcpy(&pData[133], &VCFCutoffController, 1); |
1701 |
|
|
1702 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
1703 |
(VCFVelocityScale) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1704 |
memcpy(&pData[127], &vcfvelscale, 1); |
memcpy(&pData[134], &vcfvelscale, 1); |
1705 |
|
|
1706 |
// next byte unknown |
// next byte unknown |
1707 |
|
|
1708 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
1709 |
(VCFResonance) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
1710 |
memcpy(&pData[129], &vcfresonance, 1); |
memcpy(&pData[136], &vcfresonance, 1); |
1711 |
|
|
1712 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
1713 |
(VCFKeyboardTrackingBreakpoint) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1714 |
memcpy(&pData[130], &vcfbreakpoint, 1); |
memcpy(&pData[137], &vcfbreakpoint, 1); |
1715 |
|
|
1716 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
1717 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
1718 |
memcpy(&pData[131], &vcfvelocity, 1); |
memcpy(&pData[138], &vcfvelocity, 1); |
1719 |
|
|
1720 |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
1721 |
memcpy(&pData[132], &vcftype, 1); |
memcpy(&pData[139], &vcftype, 1); |
1722 |
} |
} |
1723 |
|
|
1724 |
// 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 |
2060 |
// * |
// * |
2061 |
|
|
2062 |
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) { |
2063 |
|
pInfo->UseFixedLengthStrings = true; |
2064 |
|
|
2065 |
// Initialization |
// Initialization |
2066 |
Dimensions = 0; |
Dimensions = 0; |
2067 |
for (int i = 0; i < 256; i++) { |
for (int i = 0; i < 256; i++) { |
2098 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
2099 |
dimension == dimension_samplechannel || |
dimension == dimension_samplechannel || |
2100 |
dimension == dimension_releasetrigger || |
dimension == dimension_releasetrigger || |
2101 |
|
dimension == dimension_keyboard || |
2102 |
dimension == dimension_roundrobin || |
dimension == dimension_roundrobin || |
2103 |
dimension == dimension_random) ? split_type_bit |
dimension == dimension_random) ? split_type_bit |
2104 |
: split_type_normal; |
: split_type_normal; |
2127 |
// load sample references |
// load sample references |
2128 |
for (uint i = 0; i < DimensionRegions; i++) { |
for (uint i = 0; i < DimensionRegions; i++) { |
2129 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2130 |
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2131 |
} |
} |
2132 |
|
GetSample(); // load global region sample reference |
2133 |
} |
} |
2134 |
|
|
2135 |
// make sure there is at least one dimension region |
// make sure there is at least one dimension region |
2173 |
|
|
2174 |
// update dimension definitions in '3lnk' chunk |
// update dimension definitions in '3lnk' chunk |
2175 |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2176 |
|
memcpy(&pData[0], &DimensionRegions, 4); |
2177 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2178 |
pData[i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2179 |
pData[i * 8 + 1] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2180 |
// next 2 bytes unknown |
// next 2 bytes unknown |
2181 |
pData[i * 8 + 4] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2182 |
// next 3 bytes unknown |
// next 3 bytes unknown |
2183 |
} |
} |
2184 |
|
|
2507 |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
2508 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
2509 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
2510 |
|
if (!file->pWavePoolTable) return NULL; |
2511 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
2512 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
2513 |
Sample* sample = file->GetFirstSample(pProgress); |
Sample* sample = file->GetFirstSample(pProgress); |
2514 |
while (sample) { |
while (sample) { |
2515 |
if (sample->ulWavePoolOffset == soughtoffset && |
if (sample->ulWavePoolOffset == soughtoffset && |
2516 |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(pSample = sample); |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
2517 |
sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
2518 |
} |
} |
2519 |
return NULL; |
return NULL; |
2525 |
// * |
// * |
2526 |
|
|
2527 |
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) { |
2528 |
|
pInfo->UseFixedLengthStrings = true; |
2529 |
|
|
2530 |
// Initialization |
// Initialization |
2531 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
2532 |
|
|
2685 |
|
|
2686 |
|
|
2687 |
|
|
2688 |
|
// *************** Group *************** |
2689 |
|
// * |
2690 |
|
|
2691 |
|
/** @brief Constructor. |
2692 |
|
* |
2693 |
|
* @param file - pointer to the RIFF::File object of this .gig file |
2694 |
|
* @param ck3gnm - pointer to 3gnm chunk associated with this group |
2695 |
|
*/ |
2696 |
|
Group::Group(RIFF::File* file, RIFF::Chunk* ck3gnm) { |
2697 |
|
pFile = file; |
2698 |
|
pNameChunk = ck3gnm; |
2699 |
|
::LoadString(pNameChunk, Name); |
2700 |
|
} |
2701 |
|
|
2702 |
|
Group::~Group() { |
2703 |
|
} |
2704 |
|
|
2705 |
|
/** @brief Update chunks with current group settings. |
2706 |
|
* |
2707 |
|
* Apply current Group field values to the respective. You have to call |
2708 |
|
* File::Save() to make changes persistent. |
2709 |
|
*/ |
2710 |
|
void Group::UpdateChunks() { |
2711 |
|
// make sure <3gri> and <3gnl> list chunks exist |
2712 |
|
RIFF::List* _3gri = pFile->GetSubList(LIST_TYPE_3GRI); |
2713 |
|
if (!_3gri) _3gri = pFile->AddSubList(LIST_TYPE_3GRI); |
2714 |
|
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
2715 |
|
if (!_3gnl) _3gnl = pFile->AddSubList(LIST_TYPE_3GNL); |
2716 |
|
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
2717 |
|
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
2718 |
|
} |
2719 |
|
|
2720 |
|
|
2721 |
|
|
2722 |
// *************** File *************** |
// *************** File *************** |
2723 |
// * |
// * |
2724 |
|
|
2725 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
2726 |
|
pGroups = NULL; |
2727 |
|
pInfo->UseFixedLengthStrings = true; |
2728 |
} |
} |
2729 |
|
|
2730 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
2731 |
|
pGroups = NULL; |
2732 |
|
pInfo->UseFixedLengthStrings = true; |
2733 |
|
} |
2734 |
|
|
2735 |
|
File::~File() { |
2736 |
|
if (pGroups) { |
2737 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
2738 |
|
std::list<Group*>::iterator end = pGroups->end(); |
2739 |
|
while (iter != end) { |
2740 |
|
delete *iter; |
2741 |
|
++iter; |
2742 |
|
} |
2743 |
|
delete pGroups; |
2744 |
|
} |
2745 |
} |
} |
2746 |
|
|
2747 |
Sample* File::GetFirstSample(progress_t* pProgress) { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
2959 |
} |
} |
2960 |
} |
} |
2961 |
|
|
2962 |
|
Group* File::GetFirstGroup() { |
2963 |
|
if (!pGroups) LoadGroups(); |
2964 |
|
if (!pGroups) return NULL; |
2965 |
|
GroupsIterator = pGroups->begin(); |
2966 |
|
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
2967 |
|
} |
2968 |
|
|
2969 |
|
Group* File::GetNextGroup() { |
2970 |
|
if (!pGroups) return NULL; |
2971 |
|
++GroupsIterator; |
2972 |
|
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
2973 |
|
} |
2974 |
|
|
2975 |
|
/** |
2976 |
|
* Returns the group with the given index. |
2977 |
|
* |
2978 |
|
* @param index - number of the sought group (0..n) |
2979 |
|
* @returns sought group or NULL if there's no such group |
2980 |
|
*/ |
2981 |
|
Group* File::GetGroup(uint index) { |
2982 |
|
if (!pGroups) LoadGroups(); |
2983 |
|
if (!pGroups) return NULL; |
2984 |
|
GroupsIterator = pGroups->begin(); |
2985 |
|
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
2986 |
|
if (i == index) return *GroupsIterator; |
2987 |
|
++GroupsIterator; |
2988 |
|
} |
2989 |
|
return NULL; |
2990 |
|
} |
2991 |
|
|
2992 |
|
Group* File::AddGroup() { |
2993 |
|
if (!pGroups) LoadGroups(); |
2994 |
|
if (!pGroups) pGroups = new std::list<Group*>; |
2995 |
|
__ensureMandatoryChunksExist(); |
2996 |
|
Group* pGroup = new Group(pRIFF, NULL); |
2997 |
|
pGroups->push_back(pGroup); |
2998 |
|
return pGroup; |
2999 |
|
} |
3000 |
|
|
3001 |
|
void File::DeleteGroup(Group* pGroup) { |
3002 |
|
if (!pGroups) throw gig::Exception("Could not delete group as there are no groups"); |
3003 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3004 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3005 |
|
pGroups->erase(iter); |
3006 |
|
delete pGroup; |
3007 |
|
} |
3008 |
|
|
3009 |
|
void File::LoadGroups() { |
3010 |
|
if (!pGroups) pGroups = new std::list<Group*>; |
3011 |
|
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
3012 |
|
if (!lst3gri) return; |
3013 |
|
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
3014 |
|
if (!lst3gnl) return; |
3015 |
|
{ |
3016 |
|
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3017 |
|
while (ck) { |
3018 |
|
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3019 |
|
pGroups->push_back(new Group(pRIFF, ck)); |
3020 |
|
} |
3021 |
|
ck = lst3gnl->GetNextSubChunk(); |
3022 |
|
} |
3023 |
|
} |
3024 |
|
} |
3025 |
|
|
3026 |
|
|
3027 |
|
|
3028 |
// *************** Exception *************** |
// *************** Exception *************** |