51 |
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52 |
namespace gig { |
namespace gig { |
53 |
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// *************** dimension_def_t *************** |
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// * |
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dimension_def_t& dimension_def_t::operator=(const dimension_def_t& arg) { |
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dimension = arg.dimension; |
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bits = arg.bits; |
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zones = arg.zones; |
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split_type = arg.split_type; |
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ranges = arg.ranges; |
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zone_size = arg.zone_size; |
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if (ranges) { |
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ranges = new range_t[zones]; |
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for (int i = 0; i < zones; i++) |
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ranges[i] = arg.ranges[i]; |
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} |
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return *this; |
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} |
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54 |
// *************** progress_t *************** |
// *************** progress_t *************** |
55 |
// * |
// * |
56 |
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111 |
return x & 0x800000 ? x - 0x1000000 : x; |
return x & 0x800000 ? x - 0x1000000 : x; |
112 |
} |
} |
113 |
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114 |
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inline void store24(unsigned char* pDst, int x) |
115 |
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{ |
116 |
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pDst[0] = x; |
117 |
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pDst[1] = x >> 8; |
118 |
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pDst[2] = x >> 16; |
119 |
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} |
120 |
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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 |
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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 |
{ |
{ |
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// Note: The 24 bits are truncated to 16 bits for now. |
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164 |
int y, dy, ddy, dddy; |
int y, dy, ddy, dddy; |
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const int shift = 8 - truncatedBits; |
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165 |
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166 |
#define GET_PARAMS(params) \ |
#define GET_PARAMS(params) \ |
167 |
y = get24(params); \ |
y = get24(params); \ |
177 |
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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 |
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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--; |
352 |
} |
} |
353 |
FrameOffset = 0; // just for streaming compressed samples |
FrameOffset = 0; // just for streaming compressed samples |
354 |
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355 |
LoopSize = LoopEnd - LoopStart; |
LoopSize = LoopEnd - LoopStart + 1; |
356 |
} |
} |
357 |
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358 |
/** |
/** |
726 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
727 |
* @param pPlaybackState will be used to store and reload the playback |
* @param pPlaybackState will be used to store and reload the playback |
728 |
* state for the next ReadAndLoop() call |
* state for the next ReadAndLoop() call |
729 |
|
* @param pDimRgn dimension region with looping information |
730 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
731 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
732 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
733 |
*/ |
*/ |
734 |
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, |
735 |
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DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
736 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
737 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
738 |
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739 |
SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
740 |
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741 |
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 |
742 |
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743 |
switch (this->LoopType) { |
const DLS::sample_loop_t& loop = pDimRgn->pSampleLoops[0]; |
744 |
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const uint32_t loopEnd = loop.LoopStart + loop.LoopLength; |
745 |
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746 |
case loop_type_bidirectional: { //TODO: not tested yet! |
if (GetPos() <= loopEnd) { |
747 |
do { |
switch (loop.LoopType) { |
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// if not endless loop check if max. number of loop cycles have been passed |
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if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
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if (!pPlaybackState->reverse) { // forward playback |
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do { |
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samplestoloopend = this->LoopEnd - GetPos(); |
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readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
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samplestoread -= readsamples; |
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totalreadsamples += readsamples; |
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if (readsamples == samplestoloopend) { |
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pPlaybackState->reverse = true; |
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break; |
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} |
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} while (samplestoread && readsamples); |
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} |
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else { // backward playback |
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748 |
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749 |
// as we can only read forward from disk, we have to |
case loop_type_bidirectional: { //TODO: not tested yet! |
750 |
// determine the end position within the loop first, |
do { |
751 |
// read forward from that 'end' and finally after |
// if not endless loop check if max. number of loop cycles have been passed |
752 |
// reading, swap all sample frames so it reflects |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
753 |
// backward playback |
|
754 |
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if (!pPlaybackState->reverse) { // forward playback |
755 |
unsigned long swapareastart = totalreadsamples; |
do { |
756 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
samplestoloopend = loopEnd - GetPos(); |
757 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
758 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
samplestoread -= readsamples; |
759 |
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totalreadsamples += readsamples; |
760 |
SetPos(reverseplaybackend); |
if (readsamples == samplestoloopend) { |
761 |
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pPlaybackState->reverse = true; |
762 |
// read samples for backward playback |
break; |
763 |
do { |
} |
764 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
765 |
samplestoreadinloop -= readsamples; |
} |
766 |
samplestoread -= readsamples; |
else { // backward playback |
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totalreadsamples += readsamples; |
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} while (samplestoreadinloop && readsamples); |
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767 |
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768 |
SetPos(reverseplaybackend); // pretend we really read backwards |
// as we can only read forward from disk, we have to |
769 |
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// determine the end position within the loop first, |
770 |
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// read forward from that 'end' and finally after |
771 |
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// reading, swap all sample frames so it reflects |
772 |
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// backward playback |
773 |
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774 |
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unsigned long swapareastart = totalreadsamples; |
775 |
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unsigned long loopoffset = GetPos() - loop.LoopStart; |
776 |
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unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
777 |
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unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
778 |
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779 |
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SetPos(reverseplaybackend); |
780 |
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781 |
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// read samples for backward playback |
782 |
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do { |
783 |
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readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
784 |
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samplestoreadinloop -= readsamples; |
785 |
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samplestoread -= readsamples; |
786 |
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totalreadsamples += readsamples; |
787 |
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} while (samplestoreadinloop && readsamples); |
788 |
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789 |
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SetPos(reverseplaybackend); // pretend we really read backwards |
790 |
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791 |
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if (reverseplaybackend == loop.LoopStart) { |
792 |
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pPlaybackState->loop_cycles_left--; |
793 |
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pPlaybackState->reverse = false; |
794 |
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} |
795 |
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796 |
if (reverseplaybackend == this->LoopStart) { |
// reverse the sample frames for backward playback |
797 |
pPlaybackState->loop_cycles_left--; |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
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pPlaybackState->reverse = false; |
|
798 |
} |
} |
799 |
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} while (samplestoread && readsamples); |
800 |
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break; |
801 |
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} |
802 |
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803 |
// reverse the sample frames for backward playback |
case loop_type_backward: { // TODO: not tested yet! |
804 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
// forward playback (not entered the loop yet) |
805 |
} |
if (!pPlaybackState->reverse) do { |
806 |
} while (samplestoread && readsamples); |
samplestoloopend = loopEnd - GetPos(); |
807 |
break; |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
808 |
} |
samplestoread -= readsamples; |
809 |
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totalreadsamples += readsamples; |
810 |
case loop_type_backward: { // TODO: not tested yet! |
if (readsamples == samplestoloopend) { |
811 |
// forward playback (not entered the loop yet) |
pPlaybackState->reverse = true; |
812 |
if (!pPlaybackState->reverse) do { |
break; |
813 |
samplestoloopend = this->LoopEnd - GetPos(); |
} |
814 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
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samplestoread -= readsamples; |
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totalreadsamples += readsamples; |
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if (readsamples == samplestoloopend) { |
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pPlaybackState->reverse = true; |
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break; |
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} |
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} while (samplestoread && readsamples); |
|
815 |
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816 |
if (!samplestoread) break; |
if (!samplestoread) break; |
817 |
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818 |
// as we can only read forward from disk, we have to |
// as we can only read forward from disk, we have to |
819 |
// determine the end position within the loop first, |
// determine the end position within the loop first, |
820 |
// read forward from that 'end' and finally after |
// read forward from that 'end' and finally after |
821 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
822 |
// backward playback |
// backward playback |
823 |
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824 |
unsigned long swapareastart = totalreadsamples; |
unsigned long swapareastart = totalreadsamples; |
825 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
826 |
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) |
827 |
: samplestoread; |
: samplestoread; |
828 |
unsigned long reverseplaybackend = this->LoopStart + Abs((loopoffset - samplestoreadinloop) % this->LoopSize); |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
829 |
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|
830 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
831 |
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832 |
// read samples for backward playback |
// read samples for backward playback |
833 |
do { |
do { |
834 |
// 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 |
835 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
836 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
837 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
838 |
samplestoreadinloop -= readsamples; |
samplestoreadinloop -= readsamples; |
839 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
840 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
841 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
842 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
843 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
844 |
} |
} |
845 |
} while (samplestoreadinloop && readsamples); |
} while (samplestoreadinloop && readsamples); |
846 |
|
|
847 |
SetPos(reverseplaybackend); // pretend we really read backwards |
SetPos(reverseplaybackend); // pretend we really read backwards |
848 |
|
|
849 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
850 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
851 |
break; |
break; |
852 |
} |
} |
853 |
|
|
854 |
default: case loop_type_normal: { |
default: case loop_type_normal: { |
855 |
do { |
do { |
856 |
// 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 |
857 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
858 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
859 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
860 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
861 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
862 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
863 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
864 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
865 |
} |
} |
866 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
867 |
break; |
break; |
868 |
|
} |
869 |
} |
} |
870 |
} |
} |
871 |
} |
} |
895 |
* have to use an external decompression buffer for <b>EACH</b> |
* have to use an external decompression buffer for <b>EACH</b> |
896 |
* streaming thread to avoid race conditions and crashes! |
* streaming thread to avoid race conditions and crashes! |
897 |
* |
* |
898 |
|
* For 16 bit samples, the data in the buffer will be int16_t |
899 |
|
* (using native endianness). For 24 bit, the buffer will |
900 |
|
* contain three bytes per sample, little-endian. |
901 |
|
* |
902 |
* @param pBuffer destination buffer |
* @param pBuffer destination buffer |
903 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
904 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
909 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
910 |
if (!Compressed) { |
if (!Compressed) { |
911 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
912 |
// 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); |
|
|
} |
|
913 |
} |
} |
914 |
else { // 16 bit |
else { // 16 bit |
915 |
// (pCkData->Read does endian correction) |
// (pCkData->Read does endian correction) |
939 |
|
|
940 |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
941 |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
942 |
|
uint8_t* pDst24 = static_cast<uint8_t*>(pBuffer); |
943 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
944 |
|
|
945 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1021 |
const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
1022 |
if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
1023 |
|
|
1024 |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
Decompress24(mode_l, param_l, 6, pSrc, pDst24, |
1025 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1026 |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 6, pSrc + rightChannelOffset, pDst24 + 3, |
1027 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1028 |
pDst += copysamples << 1; |
pDst24 += copysamples * 6; |
1029 |
} |
} |
1030 |
else { // Mono |
else { // Mono |
1031 |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
Decompress24(mode_l, param_l, 3, pSrc, pDst24, |
1032 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1033 |
pDst += copysamples; |
pDst24 += copysamples * 3; |
1034 |
} |
} |
1035 |
} |
} |
1036 |
else { // 16 bit |
else { // 16 bit |
1425 |
VCFCutoffController <= vcf_cutoff_ctrl_none2 ? VCFVelocityScale : 0); |
VCFCutoffController <= vcf_cutoff_ctrl_none2 ? VCFVelocityScale : 0); |
1426 |
|
|
1427 |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1428 |
|
VelocityTable = 0; |
1429 |
} |
} |
1430 |
|
|
1431 |
/** |
/** |
1945 |
delete pVelocityTables; |
delete pVelocityTables; |
1946 |
pVelocityTables = NULL; |
pVelocityTables = NULL; |
1947 |
} |
} |
1948 |
|
if (VelocityTable) delete[] VelocityTable; |
1949 |
} |
} |
1950 |
|
|
1951 |
/** |
/** |
2070 |
pDimensionDefinitions[i].bits = 0; |
pDimensionDefinitions[i].bits = 0; |
2071 |
pDimensionDefinitions[i].zones = 0; |
pDimensionDefinitions[i].zones = 0; |
2072 |
pDimensionDefinitions[i].split_type = split_type_bit; |
pDimensionDefinitions[i].split_type = split_type_bit; |
|
pDimensionDefinitions[i].ranges = NULL; |
|
2073 |
pDimensionDefinitions[i].zone_size = 0; |
pDimensionDefinitions[i].zone_size = 0; |
2074 |
} |
} |
2075 |
else { // active dimension |
else { // active dimension |
2079 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
2080 |
dimension == dimension_samplechannel || |
dimension == dimension_samplechannel || |
2081 |
dimension == dimension_releasetrigger || |
dimension == dimension_releasetrigger || |
2082 |
|
dimension == dimension_keyboard || |
2083 |
dimension == dimension_roundrobin || |
dimension == dimension_roundrobin || |
2084 |
dimension == dimension_random) ? split_type_bit |
dimension == dimension_random) ? split_type_bit |
2085 |
: split_type_normal; |
: split_type_normal; |
|
pDimensionDefinitions[i].ranges = NULL; // it's not possible to check velocity dimensions for custom defined ranges at this point |
|
2086 |
pDimensionDefinitions[i].zone_size = |
pDimensionDefinitions[i].zone_size = |
2087 |
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128.0 / pDimensionDefinitions[i].zones |
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128.0 / pDimensionDefinitions[i].zones |
2088 |
: 0; |
: 0; |
2093 |
} |
} |
2094 |
_3lnk->SetPos(3, RIFF::stream_curpos); // jump forward to next dimension definition |
_3lnk->SetPos(3, RIFF::stream_curpos); // jump forward to next dimension definition |
2095 |
} |
} |
2096 |
|
for (int i = dimensionBits ; i < 8 ; i++) pDimensionDefinitions[i].bits = 0; |
2097 |
|
|
2098 |
// check velocity dimension (if there is one) for custom defined zone ranges |
// if there's a velocity dimension and custom velocity zone splits are used, |
2099 |
for (uint i = 0; i < Dimensions; i++) { |
// update the VelocityTables in the dimension regions |
2100 |
dimension_def_t* pDimDef = pDimensionDefinitions + i; |
UpdateVelocityTable(); |
|
if (pDimDef->dimension == dimension_velocity) { |
|
|
if (pDimensionRegions[0]->VelocityUpperLimit == 0) { |
|
|
// no custom defined ranges |
|
|
pDimDef->split_type = split_type_normal; |
|
|
pDimDef->ranges = NULL; |
|
|
} |
|
|
else { // custom defined ranges |
|
|
pDimDef->split_type = split_type_customvelocity; |
|
|
pDimDef->ranges = new range_t[pDimDef->zones]; |
|
|
UpdateVelocityTable(pDimDef); |
|
|
} |
|
|
} |
|
|
} |
|
2101 |
|
|
2102 |
// jump to start of the wave pool indices (if not already there) |
// jump to start of the wave pool indices (if not already there) |
|
File* file = (File*) GetParent()->GetParent(); |
|
2103 |
if (file->pVersion && file->pVersion->major == 3) |
if (file->pVersion && file->pVersion->major == 3) |
2104 |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
2105 |
else |
else |
2108 |
// load sample references |
// load sample references |
2109 |
for (uint i = 0; i < DimensionRegions; i++) { |
for (uint i = 0; i < DimensionRegions; i++) { |
2110 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2111 |
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2112 |
} |
} |
2113 |
} |
} |
2114 |
|
|
2197 |
} |
} |
2198 |
} |
} |
2199 |
|
|
2200 |
void Region::UpdateVelocityTable(dimension_def_t* pDimDef) { |
void Region::UpdateVelocityTable() { |
2201 |
// get dimension's index |
// get velocity dimension's index |
2202 |
int iDimensionNr = -1; |
int veldim = -1; |
2203 |
for (int i = 0; i < Dimensions; i++) { |
for (int i = 0 ; i < Dimensions ; i++) { |
2204 |
if (&pDimensionDefinitions[i] == pDimDef) { |
if (pDimensionDefinitions[i].dimension == gig::dimension_velocity) { |
2205 |
iDimensionNr = i; |
veldim = i; |
2206 |
break; |
break; |
2207 |
} |
} |
2208 |
} |
} |
2209 |
if (iDimensionNr < 0) throw gig::Exception("Invalid dimension_def_t pointer"); |
if (veldim == -1) return; |
2210 |
|
|
2211 |
|
int step = 1; |
2212 |
|
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
2213 |
|
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
2214 |
|
int end = step * pDimensionDefinitions[veldim].zones; |
2215 |
|
|
2216 |
|
// loop through all dimension regions for all dimensions except the velocity dimension |
2217 |
|
int dim[8] = { 0 }; |
2218 |
|
for (int i = 0 ; i < DimensionRegions ; i++) { |
2219 |
|
|
2220 |
|
if (pDimensionRegions[i]->VelocityUpperLimit) { |
2221 |
|
// create the velocity table |
2222 |
|
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
2223 |
|
if (!table) { |
2224 |
|
table = new uint8_t[128]; |
2225 |
|
pDimensionRegions[i]->VelocityTable = table; |
2226 |
|
} |
2227 |
|
int tableidx = 0; |
2228 |
|
int velocityZone = 0; |
2229 |
|
for (int k = i ; k < end ; k += step) { |
2230 |
|
DimensionRegion *d = pDimensionRegions[k]; |
2231 |
|
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
2232 |
|
velocityZone++; |
2233 |
|
} |
2234 |
|
} else { |
2235 |
|
if (pDimensionRegions[i]->VelocityTable) { |
2236 |
|
delete[] pDimensionRegions[i]->VelocityTable; |
2237 |
|
pDimensionRegions[i]->VelocityTable = 0; |
2238 |
|
} |
2239 |
|
} |
2240 |
|
|
2241 |
uint8_t bits[8] = { 0 }; |
int j; |
2242 |
int previousUpperLimit = -1; |
int shift = 0; |
2243 |
for (int velocityZone = 0; velocityZone < pDimDef->zones; velocityZone++) { |
for (j = 0 ; j < Dimensions ; j++) { |
2244 |
bits[iDimensionNr] = velocityZone; |
if (j == veldim) i += skipveldim; // skip velocity dimension |
2245 |
DimensionRegion* pDimRegion = GetDimensionRegionByBit(bits); |
else { |
2246 |
|
dim[j]++; |
2247 |
pDimDef->ranges[velocityZone].low = previousUpperLimit + 1; |
if (dim[j] < pDimensionDefinitions[j].zones) break; |
2248 |
pDimDef->ranges[velocityZone].high = pDimRegion->VelocityUpperLimit; |
else { |
2249 |
previousUpperLimit = pDimDef->ranges[velocityZone].high; |
// skip unused dimension regions |
2250 |
// fill velocity table |
dim[j] = 0; |
2251 |
for (int i = pDimDef->ranges[velocityZone].low; i <= pDimDef->ranges[velocityZone].high; i++) { |
i += ((1 << pDimensionDefinitions[j].bits) - |
2252 |
VelocityTable[i] = velocityZone; |
pDimensionDefinitions[j].zones) << shift; |
2253 |
|
} |
2254 |
|
} |
2255 |
|
shift += pDimensionDefinitions[j].bits; |
2256 |
} |
} |
2257 |
|
if (j == Dimensions) break; |
2258 |
} |
} |
2259 |
} |
} |
2260 |
|
|
2309 |
// if this is a layer dimension, update 'Layers' attribute |
// if this is a layer dimension, update 'Layers' attribute |
2310 |
if (pDimDef->dimension == dimension_layer) Layers = pDimDef->zones; |
if (pDimDef->dimension == dimension_layer) Layers = pDimDef->zones; |
2311 |
|
|
2312 |
// if this is velocity dimension and got custom defined ranges, update velocity table |
UpdateVelocityTable(); |
|
if (pDimDef->dimension == dimension_velocity && |
|
|
pDimDef->split_type == split_type_customvelocity) { |
|
|
UpdateVelocityTable(pDimDef); |
|
|
} |
|
2313 |
} |
} |
2314 |
|
|
2315 |
/** @brief Delete an existing dimension. |
/** @brief Delete an existing dimension. |
2379 |
pDimensionDefinitions[Dimensions - 1].dimension = dimension_none; |
pDimensionDefinitions[Dimensions - 1].dimension = dimension_none; |
2380 |
pDimensionDefinitions[Dimensions - 1].bits = 0; |
pDimensionDefinitions[Dimensions - 1].bits = 0; |
2381 |
pDimensionDefinitions[Dimensions - 1].zones = 0; |
pDimensionDefinitions[Dimensions - 1].zones = 0; |
|
if (pDimensionDefinitions[Dimensions - 1].ranges) { |
|
|
delete[] pDimensionDefinitions[Dimensions - 1].ranges; |
|
|
pDimensionDefinitions[Dimensions - 1].ranges = NULL; |
|
|
} |
|
2382 |
|
|
2383 |
Dimensions--; |
Dimensions--; |
2384 |
|
|
2387 |
} |
} |
2388 |
|
|
2389 |
Region::~Region() { |
Region::~Region() { |
|
for (uint i = 0; i < Dimensions; i++) { |
|
|
if (pDimensionDefinitions[i].ranges) delete[] pDimensionDefinitions[i].ranges; |
|
|
} |
|
2390 |
for (int i = 0; i < 256; i++) { |
for (int i = 0; i < 256; i++) { |
2391 |
if (pDimensionRegions[i]) delete pDimensionRegions[i]; |
if (pDimensionRegions[i]) delete pDimensionRegions[i]; |
2392 |
} |
} |
2411 |
* @see Dimensions |
* @see Dimensions |
2412 |
*/ |
*/ |
2413 |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
2414 |
uint8_t bits[8] = { 0 }; |
uint8_t bits; |
2415 |
|
int veldim = -1; |
2416 |
|
int velbitpos; |
2417 |
|
int bitpos = 0; |
2418 |
|
int dimregidx = 0; |
2419 |
for (uint i = 0; i < Dimensions; i++) { |
for (uint i = 0; i < Dimensions; i++) { |
2420 |
bits[i] = DimValues[i]; |
if (pDimensionDefinitions[i].dimension == dimension_velocity) { |
2421 |
switch (pDimensionDefinitions[i].split_type) { |
// the velocity dimension must be handled after the other dimensions |
2422 |
case split_type_normal: |
veldim = i; |
2423 |
bits[i] = uint8_t(bits[i] / pDimensionDefinitions[i].zone_size); |
velbitpos = bitpos; |
2424 |
break; |
} else { |
2425 |
case split_type_customvelocity: |
switch (pDimensionDefinitions[i].split_type) { |
2426 |
bits[i] = VelocityTable[bits[i]]; |
case split_type_normal: |
2427 |
break; |
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
2428 |
case split_type_bit: // the value is already the sought dimension bit number |
break; |
2429 |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
case split_type_bit: // the value is already the sought dimension bit number |
2430 |
bits[i] = bits[i] & limiter_mask; // just make sure the value don't uses more bits than allowed |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
2431 |
break; |
bits = DimValues[i] & limiter_mask; // just make sure the value doesn't use more bits than allowed |
2432 |
|
break; |
2433 |
|
} |
2434 |
|
dimregidx |= bits << bitpos; |
2435 |
} |
} |
2436 |
|
bitpos += pDimensionDefinitions[i].bits; |
2437 |
} |
} |
2438 |
return GetDimensionRegionByBit(bits); |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
2439 |
|
if (veldim != -1) { |
2440 |
|
// (dimreg is now the dimension region for the lowest velocity) |
2441 |
|
if (dimreg->VelocityUpperLimit) // custom defined zone ranges |
2442 |
|
bits = dimreg->VelocityTable[DimValues[veldim]]; |
2443 |
|
else // normal split type |
2444 |
|
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
2445 |
|
|
2446 |
|
dimregidx |= bits << velbitpos; |
2447 |
|
dimreg = pDimensionRegions[dimregidx]; |
2448 |
|
} |
2449 |
|
return dimreg; |
2450 |
} |
} |
2451 |
|
|
2452 |
/** |
/** |
2486 |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
2487 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
2488 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
2489 |
|
if (!file->pWavePoolTable) return NULL; |
2490 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
2491 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
2492 |
Sample* sample = file->GetFirstSample(pProgress); |
Sample* sample = file->GetFirstSample(pProgress); |
2671 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
2672 |
} |
} |
2673 |
|
|
|
File::~File() { |
|
|
// free extension files |
|
|
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
|
|
delete *i; |
|
|
} |
|
|
|
|
2674 |
Sample* File::GetFirstSample(progress_t* pProgress) { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
2675 |
if (!pSamples) LoadSamples(pProgress); |
if (!pSamples) LoadSamples(pProgress); |
2676 |
if (!pSamples) return NULL; |
if (!pSamples) return NULL; |