2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2014 by Christian Schoenebeck * |
* Copyright (C) 2003-2016 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 * |
30 |
#include <iostream> |
#include <iostream> |
31 |
#include <assert.h> |
#include <assert.h> |
32 |
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33 |
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/// libgig's current file format version (for extending the original Giga file |
34 |
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/// format with libgig's own custom data / custom features). |
35 |
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#define GIG_FILE_EXT_VERSION 2 |
36 |
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37 |
/// Initial size of the sample buffer which is used for decompression of |
/// Initial size of the sample buffer which is used for decompression of |
38 |
/// compressed sample wave streams - this value should always be bigger than |
/// compressed sample wave streams - this value should always be bigger than |
39 |
/// the biggest sample piece expected to be read by the sampler engine, |
/// the biggest sample piece expected to be read by the sampler engine, |
57 |
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58 |
namespace gig { |
namespace gig { |
59 |
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// *************** progress_t *************** |
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// * |
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progress_t::progress_t() { |
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callback = NULL; |
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custom = NULL; |
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__range_min = 0.0f; |
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__range_max = 1.0f; |
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} |
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// private helper function to convert progress of a subprocess into the global progress |
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static void __notify_progress(progress_t* pProgress, float subprogress) { |
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if (pProgress && pProgress->callback) { |
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const float totalrange = pProgress->__range_max - pProgress->__range_min; |
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const float totalprogress = pProgress->__range_min + subprogress * totalrange; |
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pProgress->factor = totalprogress; |
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pProgress->callback(pProgress); // now actually notify about the progress |
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} |
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} |
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// private helper function to divide a progress into subprogresses |
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static void __divide_progress(progress_t* pParentProgress, progress_t* pSubProgress, float totalTasks, float currentTask) { |
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if (pParentProgress && pParentProgress->callback) { |
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const float totalrange = pParentProgress->__range_max - pParentProgress->__range_min; |
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pSubProgress->callback = pParentProgress->callback; |
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pSubProgress->custom = pParentProgress->custom; |
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pSubProgress->__range_min = pParentProgress->__range_min + totalrange * currentTask / totalTasks; |
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pSubProgress->__range_max = pSubProgress->__range_min + totalrange / totalTasks; |
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} |
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} |
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60 |
// *************** Internal functions for sample decompression *************** |
// *************** Internal functions for sample decompression *************** |
61 |
// * |
// * |
62 |
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95 |
void Decompress16(int compressionmode, const unsigned char* params, |
void Decompress16(int compressionmode, const unsigned char* params, |
96 |
int srcStep, int dstStep, |
int srcStep, int dstStep, |
97 |
const unsigned char* pSrc, int16_t* pDst, |
const unsigned char* pSrc, int16_t* pDst, |
98 |
unsigned long currentframeoffset, |
file_offset_t currentframeoffset, |
99 |
unsigned long copysamples) |
file_offset_t copysamples) |
100 |
{ |
{ |
101 |
switch (compressionmode) { |
switch (compressionmode) { |
102 |
case 0: // 16 bit uncompressed |
case 0: // 16 bit uncompressed |
132 |
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133 |
void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
134 |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
135 |
unsigned long currentframeoffset, |
file_offset_t currentframeoffset, |
136 |
unsigned long copysamples, int truncatedBits) |
file_offset_t copysamples, int truncatedBits) |
137 |
{ |
{ |
138 |
int y, dy, ddy, dddy; |
int y, dy, ddy, dddy; |
139 |
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318 |
// *************** Sample *************** |
// *************** Sample *************** |
319 |
// * |
// * |
320 |
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321 |
unsigned int Sample::Instances = 0; |
size_t Sample::Instances = 0; |
322 |
buffer_t Sample::InternalDecompressionBuffer; |
buffer_t Sample::InternalDecompressionBuffer; |
323 |
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324 |
/** @brief Constructor. |
/** @brief Constructor. |
339 |
* @param fileNo - number of an extension file where this sample |
* @param fileNo - number of an extension file where this sample |
340 |
* is located, 0 otherwise |
* is located, 0 otherwise |
341 |
*/ |
*/ |
342 |
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, file_offset_t WavePoolOffset, unsigned long fileNo) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
343 |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
344 |
{ CHUNK_ID_INAM, 64 }, |
{ CHUNK_ID_INAM, 64 }, |
345 |
{ 0, 0 } |
{ 0, 0 } |
481 |
const int iReadAtOnce = 32*1024; |
const int iReadAtOnce = 32*1024; |
482 |
char* buf = new char[iReadAtOnce * orig->FrameSize]; |
char* buf = new char[iReadAtOnce * orig->FrameSize]; |
483 |
Sample* pOrig = (Sample*) orig; //HACK: remove constness for now |
Sample* pOrig = (Sample*) orig; //HACK: remove constness for now |
484 |
unsigned long restorePos = pOrig->GetPos(); |
file_offset_t restorePos = pOrig->GetPos(); |
485 |
pOrig->SetPos(0); |
pOrig->SetPos(0); |
486 |
SetPos(0); |
SetPos(0); |
487 |
for (unsigned long n = pOrig->Read(buf, iReadAtOnce); n; |
for (file_offset_t n = pOrig->Read(buf, iReadAtOnce); n; |
488 |
n = pOrig->Read(buf, iReadAtOnce)) |
n = pOrig->Read(buf, iReadAtOnce)) |
489 |
{ |
{ |
490 |
Write(buf, n); |
Write(buf, n); |
500 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
501 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
502 |
* |
* |
503 |
|
* @param pProgress - callback function for progress notification |
504 |
* @throws DLS::Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
* @throws DLS::Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
505 |
* was provided yet |
* was provided yet |
506 |
* @throws gig::Exception if there is any invalid sample setting |
* @throws gig::Exception if there is any invalid sample setting |
507 |
*/ |
*/ |
508 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks(progress_t* pProgress) { |
509 |
// first update base class's chunks |
// first update base class's chunks |
510 |
DLS::Sample::UpdateChunks(); |
DLS::Sample::UpdateChunks(pProgress); |
511 |
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|
512 |
// make sure 'smpl' chunk exists |
// make sure 'smpl' chunk exists |
513 |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
569 |
void Sample::ScanCompressedSample() { |
void Sample::ScanCompressedSample() { |
570 |
//TODO: we have to add some more scans here (e.g. determine compression rate) |
//TODO: we have to add some more scans here (e.g. determine compression rate) |
571 |
this->SamplesTotal = 0; |
this->SamplesTotal = 0; |
572 |
std::list<unsigned long> frameOffsets; |
std::list<file_offset_t> frameOffsets; |
573 |
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|
574 |
SamplesPerFrame = BitDepth == 24 ? 256 : 2048; |
SamplesPerFrame = BitDepth == 24 ? 256 : 2048; |
575 |
WorstCaseFrameSize = SamplesPerFrame * FrameSize + Channels; // +Channels for compression flag |
WorstCaseFrameSize = SamplesPerFrame * FrameSize + Channels; // +Channels for compression flag |
585 |
const int mode_l = pCkData->ReadUint8(); |
const int mode_l = pCkData->ReadUint8(); |
586 |
const int mode_r = pCkData->ReadUint8(); |
const int mode_r = pCkData->ReadUint8(); |
587 |
if (mode_l > 5 || mode_r > 5) throw gig::Exception("Unknown compression mode"); |
if (mode_l > 5 || mode_r > 5) throw gig::Exception("Unknown compression mode"); |
588 |
const unsigned long frameSize = bytesPerFrame[mode_l] + bytesPerFrame[mode_r]; |
const file_offset_t frameSize = bytesPerFrame[mode_l] + bytesPerFrame[mode_r]; |
589 |
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|
590 |
if (pCkData->RemainingBytes() <= frameSize) { |
if (pCkData->RemainingBytes() <= frameSize) { |
591 |
SamplesInLastFrame = |
SamplesInLastFrame = |
604 |
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|
605 |
const int mode = pCkData->ReadUint8(); |
const int mode = pCkData->ReadUint8(); |
606 |
if (mode > 5) throw gig::Exception("Unknown compression mode"); |
if (mode > 5) throw gig::Exception("Unknown compression mode"); |
607 |
const unsigned long frameSize = bytesPerFrame[mode]; |
const file_offset_t frameSize = bytesPerFrame[mode]; |
608 |
|
|
609 |
if (pCkData->RemainingBytes() <= frameSize) { |
if (pCkData->RemainingBytes() <= frameSize) { |
610 |
SamplesInLastFrame = |
SamplesInLastFrame = |
620 |
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|
621 |
// Build the frames table (which is used for fast resolving of a frame's chunk offset) |
// Build the frames table (which is used for fast resolving of a frame's chunk offset) |
622 |
if (FrameTable) delete[] FrameTable; |
if (FrameTable) delete[] FrameTable; |
623 |
FrameTable = new unsigned long[frameOffsets.size()]; |
FrameTable = new file_offset_t[frameOffsets.size()]; |
624 |
std::list<unsigned long>::iterator end = frameOffsets.end(); |
std::list<file_offset_t>::iterator end = frameOffsets.end(); |
625 |
std::list<unsigned long>::iterator iter = frameOffsets.begin(); |
std::list<file_offset_t>::iterator iter = frameOffsets.begin(); |
626 |
for (int i = 0; iter != end; i++, iter++) { |
for (int i = 0; iter != end; i++, iter++) { |
627 |
FrameTable[i] = *iter; |
FrameTable[i] = *iter; |
628 |
} |
} |
663 |
* the cached sample data in bytes |
* the cached sample data in bytes |
664 |
* @see ReleaseSampleData(), Read(), SetPos() |
* @see ReleaseSampleData(), Read(), SetPos() |
665 |
*/ |
*/ |
666 |
buffer_t Sample::LoadSampleData(unsigned long SampleCount) { |
buffer_t Sample::LoadSampleData(file_offset_t SampleCount) { |
667 |
return LoadSampleDataWithNullSamplesExtension(SampleCount, 0); // 0 amount of NullSamples |
return LoadSampleDataWithNullSamplesExtension(SampleCount, 0); // 0 amount of NullSamples |
668 |
} |
} |
669 |
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|
722 |
* size of the cached sample data in bytes |
* size of the cached sample data in bytes |
723 |
* @see ReleaseSampleData(), Read(), SetPos() |
* @see ReleaseSampleData(), Read(), SetPos() |
724 |
*/ |
*/ |
725 |
buffer_t Sample::LoadSampleDataWithNullSamplesExtension(unsigned long SampleCount, uint NullSamplesCount) { |
buffer_t Sample::LoadSampleDataWithNullSamplesExtension(file_offset_t SampleCount, uint NullSamplesCount) { |
726 |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
727 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
728 |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
file_offset_t allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
729 |
SetPos(0); // reset read position to begin of sample |
SetPos(0); // reset read position to begin of sample |
730 |
RAMCache.pStart = new int8_t[allocationsize]; |
RAMCache.pStart = new int8_t[allocationsize]; |
731 |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
789 |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
790 |
* other formats will fail! |
* other formats will fail! |
791 |
* |
* |
792 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param NewSize - new sample wave data size in sample points (must be |
793 |
* greater than zero) |
* greater than zero) |
794 |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
795 |
* or if \a iNewSize is less than 1 |
* @throws DLS::Exception if \a NewSize is less than 1 or unrealistic large |
796 |
* @throws gig::Exception if existing sample is compressed |
* @throws gig::Exception if existing sample is compressed |
797 |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
798 |
* DLS::Sample::FormatTag, File::Save() |
* DLS::Sample::FormatTag, File::Save() |
799 |
*/ |
*/ |
800 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(file_offset_t NewSize) { |
801 |
if (Compressed) throw gig::Exception("There is no support for modifying compressed samples (yet)"); |
if (Compressed) throw gig::Exception("There is no support for modifying compressed samples (yet)"); |
802 |
DLS::Sample::Resize(iNewSize); |
DLS::Sample::Resize(NewSize); |
803 |
} |
} |
804 |
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|
805 |
/** |
/** |
823 |
* @returns the new sample position |
* @returns the new sample position |
824 |
* @see Read() |
* @see Read() |
825 |
*/ |
*/ |
826 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
file_offset_t Sample::SetPos(file_offset_t SampleCount, RIFF::stream_whence_t Whence) { |
827 |
if (Compressed) { |
if (Compressed) { |
828 |
switch (Whence) { |
switch (Whence) { |
829 |
case RIFF::stream_curpos: |
case RIFF::stream_curpos: |
841 |
} |
} |
842 |
if (this->SamplePos > this->SamplesTotal) this->SamplePos = this->SamplesTotal; |
if (this->SamplePos > this->SamplesTotal) this->SamplePos = this->SamplesTotal; |
843 |
|
|
844 |
unsigned long frame = this->SamplePos / 2048; // to which frame to jump |
file_offset_t frame = this->SamplePos / 2048; // to which frame to jump |
845 |
this->FrameOffset = this->SamplePos % 2048; // offset (in sample points) within that frame |
this->FrameOffset = this->SamplePos % 2048; // offset (in sample points) within that frame |
846 |
pCkData->SetPos(FrameTable[frame]); // set chunk pointer to the start of sought frame |
pCkData->SetPos(FrameTable[frame]); // set chunk pointer to the start of sought frame |
847 |
return this->SamplePos; |
return this->SamplePos; |
848 |
} |
} |
849 |
else { // not compressed |
else { // not compressed |
850 |
unsigned long orderedBytes = SampleCount * this->FrameSize; |
file_offset_t orderedBytes = SampleCount * this->FrameSize; |
851 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
file_offset_t result = pCkData->SetPos(orderedBytes, Whence); |
852 |
return (result == orderedBytes) ? SampleCount |
return (result == orderedBytes) ? SampleCount |
853 |
: result / this->FrameSize; |
: result / this->FrameSize; |
854 |
} |
} |
857 |
/** |
/** |
858 |
* Returns the current position in the sample (in sample points). |
* Returns the current position in the sample (in sample points). |
859 |
*/ |
*/ |
860 |
unsigned long Sample::GetPos() const { |
file_offset_t Sample::GetPos() const { |
861 |
if (Compressed) return SamplePos; |
if (Compressed) return SamplePos; |
862 |
else return pCkData->GetPos() / FrameSize; |
else return pCkData->GetPos() / FrameSize; |
863 |
} |
} |
896 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
897 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
898 |
*/ |
*/ |
899 |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, |
file_offset_t Sample::ReadAndLoop(void* pBuffer, file_offset_t SampleCount, playback_state_t* pPlaybackState, |
900 |
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
901 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
file_offset_t samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
902 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
903 |
|
|
904 |
SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
936 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
937 |
// backward playback |
// backward playback |
938 |
|
|
939 |
unsigned long swapareastart = totalreadsamples; |
file_offset_t swapareastart = totalreadsamples; |
940 |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
file_offset_t loopoffset = GetPos() - loop.LoopStart; |
941 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
file_offset_t samplestoreadinloop = Min(samplestoread, loopoffset); |
942 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
file_offset_t reverseplaybackend = GetPos() - samplestoreadinloop; |
943 |
|
|
944 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
945 |
|
|
987 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
988 |
// backward playback |
// backward playback |
989 |
|
|
990 |
unsigned long swapareastart = totalreadsamples; |
file_offset_t swapareastart = totalreadsamples; |
991 |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
file_offset_t loopoffset = GetPos() - loop.LoopStart; |
992 |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * loop.LoopLength - loopoffset) |
file_offset_t samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * loop.LoopLength - loopoffset) |
993 |
: samplestoread; |
: samplestoread; |
994 |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
file_offset_t reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
995 |
|
|
996 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
997 |
|
|
1071 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
1072 |
* @see SetPos(), CreateDecompressionBuffer() |
* @see SetPos(), CreateDecompressionBuffer() |
1073 |
*/ |
*/ |
1074 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount, buffer_t* pExternalDecompressionBuffer) { |
file_offset_t Sample::Read(void* pBuffer, file_offset_t SampleCount, buffer_t* pExternalDecompressionBuffer) { |
1075 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
1076 |
if (!Compressed) { |
if (!Compressed) { |
1077 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
1086 |
else { |
else { |
1087 |
if (this->SamplePos >= this->SamplesTotal) return 0; |
if (this->SamplePos >= this->SamplesTotal) return 0; |
1088 |
//TODO: efficiency: maybe we should test for an average compression rate |
//TODO: efficiency: maybe we should test for an average compression rate |
1089 |
unsigned long assumedsize = GuessSize(SampleCount), |
file_offset_t assumedsize = GuessSize(SampleCount), |
1090 |
remainingbytes = 0, // remaining bytes in the local buffer |
remainingbytes = 0, // remaining bytes in the local buffer |
1091 |
remainingsamples = SampleCount, |
remainingsamples = SampleCount, |
1092 |
copysamples, skipsamples, |
copysamples, skipsamples, |
1109 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
1110 |
|
|
1111 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1112 |
unsigned long framesamples = SamplesPerFrame; |
file_offset_t framesamples = SamplesPerFrame; |
1113 |
unsigned long framebytes, rightChannelOffset = 0, nextFrameOffset; |
file_offset_t framebytes, rightChannelOffset = 0, nextFrameOffset; |
1114 |
|
|
1115 |
int mode_l = *pSrc++, mode_r = 0; |
int mode_l = *pSrc++, mode_r = 0; |
1116 |
|
|
1260 |
* @throws gig::Exception if sample is compressed |
* @throws gig::Exception if sample is compressed |
1261 |
* @see DLS::LoadSampleData() |
* @see DLS::LoadSampleData() |
1262 |
*/ |
*/ |
1263 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
file_offset_t Sample::Write(void* pBuffer, file_offset_t SampleCount) { |
1264 |
if (Compressed) throw gig::Exception("There is no support for writing compressed gig samples (yet)"); |
if (Compressed) throw gig::Exception("There is no support for writing compressed gig samples (yet)"); |
1265 |
|
|
1266 |
// if this is the first write in this sample, reset the |
// if this is the first write in this sample, reset the |
1269 |
__resetCRC(crc); |
__resetCRC(crc); |
1270 |
} |
} |
1271 |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1272 |
unsigned long res; |
file_offset_t res; |
1273 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
1274 |
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
1275 |
} else { // 16 bit |
} else { // 16 bit |
1303 |
* @returns allocated decompression buffer |
* @returns allocated decompression buffer |
1304 |
* @see DestroyDecompressionBuffer() |
* @see DestroyDecompressionBuffer() |
1305 |
*/ |
*/ |
1306 |
buffer_t Sample::CreateDecompressionBuffer(unsigned long MaxReadSize) { |
buffer_t Sample::CreateDecompressionBuffer(file_offset_t MaxReadSize) { |
1307 |
buffer_t result; |
buffer_t result; |
1308 |
const double worstCaseHeaderOverhead = |
const double worstCaseHeaderOverhead = |
1309 |
(256.0 /*frame size*/ + 12.0 /*header*/ + 2.0 /*compression type flag (stereo)*/) / 256.0; |
(256.0 /*frame size*/ + 12.0 /*header*/ + 2.0 /*compression type flag (stereo)*/) / 256.0; |
1310 |
result.Size = (unsigned long) (double(MaxReadSize) * 3.0 /*(24 Bit)*/ * 2.0 /*stereo*/ * worstCaseHeaderOverhead); |
result.Size = (file_offset_t) (double(MaxReadSize) * 3.0 /*(24 Bit)*/ * 2.0 /*stereo*/ * worstCaseHeaderOverhead); |
1311 |
result.pStart = new int8_t[result.Size]; |
result.pStart = new int8_t[result.Size]; |
1312 |
result.NullExtensionSize = 0; |
result.NullExtensionSize = 0; |
1313 |
return result; |
return result; |
1357 |
// *************** DimensionRegion *************** |
// *************** DimensionRegion *************** |
1358 |
// * |
// * |
1359 |
|
|
1360 |
uint DimensionRegion::Instances = 0; |
size_t DimensionRegion::Instances = 0; |
1361 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1362 |
|
|
1363 |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1725 |
* |
* |
1726 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
1727 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
1728 |
|
* |
1729 |
|
* @param pProgress - callback function for progress notification |
1730 |
*/ |
*/ |
1731 |
void DimensionRegion::UpdateChunks() { |
void DimensionRegion::UpdateChunks(progress_t* pProgress) { |
1732 |
// first update base class's chunk |
// first update base class's chunk |
1733 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(pProgress); |
1734 |
|
|
1735 |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1736 |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
3001 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
3002 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
3003 |
* |
* |
3004 |
|
* @param pProgress - callback function for progress notification |
3005 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
3006 |
*/ |
*/ |
3007 |
void Region::UpdateChunks() { |
void Region::UpdateChunks(progress_t* pProgress) { |
3008 |
// in the gig format we don't care about the Region's sample reference |
// in the gig format we don't care about the Region's sample reference |
3009 |
// but we still have to provide some existing one to not corrupt the |
// but we still have to provide some existing one to not corrupt the |
3010 |
// file, so to avoid the latter we simply always assign the sample of |
// file, so to avoid the latter we simply always assign the sample of |
3012 |
pSample = pDimensionRegions[0]->pSample; |
pSample = pDimensionRegions[0]->pSample; |
3013 |
|
|
3014 |
// first update base class's chunks |
// first update base class's chunks |
3015 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(pProgress); |
3016 |
|
|
3017 |
// update dimension region's chunks |
// update dimension region's chunks |
3018 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
3019 |
pDimensionRegions[i]->UpdateChunks(); |
pDimensionRegions[i]->UpdateChunks(pProgress); |
3020 |
} |
} |
3021 |
|
|
3022 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
3106 |
int step = 1; |
int step = 1; |
3107 |
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
3108 |
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
|
int end = step * pDimensionDefinitions[veldim].zones; |
|
3109 |
|
|
3110 |
// loop through all dimension regions for all dimensions except the velocity dimension |
// loop through all dimension regions for all dimensions except the velocity dimension |
3111 |
int dim[8] = { 0 }; |
int dim[8] = { 0 }; |
3112 |
for (int i = 0 ; i < DimensionRegions ; i++) { |
for (int i = 0 ; i < DimensionRegions ; i++) { |
3113 |
|
const int end = i + step * pDimensionDefinitions[veldim].zones; |
3114 |
|
|
3115 |
|
// create a velocity table for all cases where the velocity zone is zero |
3116 |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
3117 |
pDimensionRegions[i]->VelocityUpperLimit) { |
pDimensionRegions[i]->VelocityUpperLimit) { |
3118 |
// create the velocity table |
// create the velocity table |
3143 |
} |
} |
3144 |
} |
} |
3145 |
|
|
3146 |
|
// jump to the next case where the velocity zone is zero |
3147 |
int j; |
int j; |
3148 |
int shift = 0; |
int shift = 0; |
3149 |
for (j = 0 ; j < Dimensions ; j++) { |
for (j = 0 ; j < Dimensions ; j++) { |
3630 |
UpdateVelocityTable(); |
UpdateVelocityTable(); |
3631 |
} |
} |
3632 |
|
|
3633 |
|
/** @brief Change type of an existing dimension. |
3634 |
|
* |
3635 |
|
* Alters the dimension type of a dimension already existing on this |
3636 |
|
* region. If there is currently no dimension on this Region with type |
3637 |
|
* @a oldType, then this call with throw an Exception. Likewise there are |
3638 |
|
* cases where the requested dimension type cannot be performed. For example |
3639 |
|
* if the new dimension type shall be gig::dimension_samplechannel, and the |
3640 |
|
* current dimension has more than 2 zones. In such cases an Exception is |
3641 |
|
* thrown as well. |
3642 |
|
* |
3643 |
|
* @param oldType - identifies the existing dimension to be changed |
3644 |
|
* @param newType - to which dimension type it should be changed to |
3645 |
|
* @throws gig::Exception if requested change cannot be performed |
3646 |
|
*/ |
3647 |
|
void Region::SetDimensionType(dimension_t oldType, dimension_t newType) { |
3648 |
|
if (oldType == newType) return; |
3649 |
|
dimension_def_t* def = GetDimensionDefinition(oldType); |
3650 |
|
if (!def) |
3651 |
|
throw gig::Exception("No dimension with provided old dimension type exists on this region"); |
3652 |
|
if (newType == dimension_samplechannel && def->zones != 2) |
3653 |
|
throw gig::Exception("Cannot change to dimension type 'sample channel', because existing dimension does not have 2 zones"); |
3654 |
|
if (GetDimensionDefinition(newType)) |
3655 |
|
throw gig::Exception("There is already a dimension with requested new dimension type on this region"); |
3656 |
|
def->dimension = newType; |
3657 |
|
def->split_type = __resolveSplitType(newType); |
3658 |
|
} |
3659 |
|
|
3660 |
DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) { |
DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) { |
3661 |
uint8_t bits[8] = {}; |
uint8_t bits[8] = {}; |
3662 |
for (std::map<dimension_t,int>::const_iterator it = DimCase.begin(); |
for (std::map<dimension_t,int>::const_iterator it = DimCase.begin(); |
3852 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
3853 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
3854 |
if (!file->pWavePoolTable) return NULL; |
if (!file->pWavePoolTable) return NULL; |
3855 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
// for new files or files >= 2 GB use 64 bit wave pool offsets |
3856 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
if (file->pRIFF->IsNew() || (file->pRIFF->GetCurrentFileSize() >> 31)) { |
3857 |
Sample* sample = file->GetFirstSample(pProgress); |
// use 64 bit wave pool offsets (treating this as large file) |
3858 |
while (sample) { |
uint64_t soughtoffset = |
3859 |
if (sample->ulWavePoolOffset == soughtoffset && |
uint64_t(file->pWavePoolTable[WavePoolTableIndex]) | |
3860 |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
uint64_t(file->pWavePoolTableHi[WavePoolTableIndex]) << 32; |
3861 |
sample = file->GetNextSample(); |
Sample* sample = file->GetFirstSample(pProgress); |
3862 |
|
while (sample) { |
3863 |
|
if (sample->ullWavePoolOffset == soughtoffset) |
3864 |
|
return static_cast<gig::Sample*>(sample); |
3865 |
|
sample = file->GetNextSample(); |
3866 |
|
} |
3867 |
|
} else { |
3868 |
|
// use extension files and 32 bit wave pool offsets |
3869 |
|
file_offset_t soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
3870 |
|
file_offset_t soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
3871 |
|
Sample* sample = file->GetFirstSample(pProgress); |
3872 |
|
while (sample) { |
3873 |
|
if (sample->ullWavePoolOffset == soughtoffset && |
3874 |
|
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
3875 |
|
sample = file->GetNextSample(); |
3876 |
|
} |
3877 |
} |
} |
3878 |
return NULL; |
return NULL; |
3879 |
} |
} |
4114 |
for (int i = 0; i < nameSize; ++i) |
for (int i = 0; i < nameSize; ++i) |
4115 |
Name[i] = ckScri->ReadUint8(); |
Name[i] = ckScri->ReadUint8(); |
4116 |
// to handle potential future extensions of the header |
// to handle potential future extensions of the header |
4117 |
ckScri->SetPos(headerSize - 6*sizeof(int32_t) + nameSize, RIFF::stream_curpos); |
ckScri->SetPos(sizeof(int32_t) + headerSize); |
4118 |
// read actual script data |
// read actual script data |
4119 |
uint32_t scriptSize = ckScri->GetSize() - ckScri->GetPos(); |
uint32_t scriptSize = ckScri->GetSize() - ckScri->GetPos(); |
4120 |
data.resize(scriptSize); |
data.resize(scriptSize); |
4154 |
memcpy(&data[0], &text[0], text.size()); |
memcpy(&data[0], &text[0], text.size()); |
4155 |
} |
} |
4156 |
|
|
4157 |
void Script::UpdateChunks() { |
/** |
4158 |
|
* Apply this script to the respective RIFF chunks. You have to call |
4159 |
|
* File::Save() to make changes persistent. |
4160 |
|
* |
4161 |
|
* Usually there is absolutely no need to call this method explicitly. |
4162 |
|
* It will be called automatically when File::Save() was called. |
4163 |
|
* |
4164 |
|
* @param pProgress - callback function for progress notification |
4165 |
|
*/ |
4166 |
|
void Script::UpdateChunks(progress_t* pProgress) { |
4167 |
// recalculate CRC32 check sum |
// recalculate CRC32 check sum |
4168 |
__resetCRC(crc); |
__resetCRC(crc); |
4169 |
__calculateCRC(&data[0], data.size(), crc); |
__calculateCRC(&data[0], data.size(), crc); |
4202 |
* @param pGroup - script's new group |
* @param pGroup - script's new group |
4203 |
*/ |
*/ |
4204 |
void Script::SetGroup(ScriptGroup* pGroup) { |
void Script::SetGroup(ScriptGroup* pGroup) { |
4205 |
if (this->pGroup = pGroup) return; |
if (this->pGroup == pGroup) return; |
4206 |
if (pChunk) |
if (pChunk) |
4207 |
pChunk->GetParent()->MoveSubChunk(pChunk, pGroup->pList); |
pChunk->GetParent()->MoveSubChunk(pChunk, pGroup->pList); |
4208 |
this->pGroup = pGroup; |
this->pGroup = pGroup; |
4209 |
} |
} |
4210 |
|
|
4211 |
|
/** |
4212 |
|
* Returns the script group this script currently belongs to. Each script |
4213 |
|
* is a member of exactly one ScriptGroup. |
4214 |
|
* |
4215 |
|
* @returns current script group |
4216 |
|
*/ |
4217 |
|
ScriptGroup* Script::GetGroup() const { |
4218 |
|
return pGroup; |
4219 |
|
} |
4220 |
|
|
4221 |
void Script::RemoveAllScriptReferences() { |
void Script::RemoveAllScriptReferences() { |
4222 |
File* pFile = pGroup->pFile; |
File* pFile = pGroup->pFile; |
4223 |
for (int i = 0; pFile->GetInstrument(i); ++i) { |
for (int i = 0; pFile->GetInstrument(i); ++i) { |
4253 |
} |
} |
4254 |
} |
} |
4255 |
|
|
4256 |
void ScriptGroup::UpdateChunks() { |
/** |
4257 |
|
* Apply this script group to the respective RIFF chunks. You have to call |
4258 |
|
* File::Save() to make changes persistent. |
4259 |
|
* |
4260 |
|
* Usually there is absolutely no need to call this method explicitly. |
4261 |
|
* It will be called automatically when File::Save() was called. |
4262 |
|
* |
4263 |
|
* @param pProgress - callback function for progress notification |
4264 |
|
*/ |
4265 |
|
void ScriptGroup::UpdateChunks(progress_t* pProgress) { |
4266 |
if (pScripts) { |
if (pScripts) { |
4267 |
if (!pList) |
if (!pList) |
4268 |
pList = pFile->pRIFF->GetSubList(LIST_TYPE_3LS)->AddSubList(LIST_TYPE_RTIS); |
pList = pFile->pRIFF->GetSubList(LIST_TYPE_3LS)->AddSubList(LIST_TYPE_RTIS); |
4273 |
for (std::list<Script*>::iterator it = pScripts->begin(); |
for (std::list<Script*>::iterator it = pScripts->begin(); |
4274 |
it != pScripts->end(); ++it) |
it != pScripts->end(); ++it) |
4275 |
{ |
{ |
4276 |
(*it)->UpdateChunks(); |
(*it)->UpdateChunks(pProgress); |
4277 |
} |
} |
4278 |
} |
} |
4279 |
} |
} |
4436 |
if (lst3LS) { |
if (lst3LS) { |
4437 |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4438 |
if (ckSCSL) { |
if (ckSCSL) { |
4439 |
int slotCount = ckSCSL->ReadUint32(); |
int headerSize = ckSCSL->ReadUint32(); |
4440 |
int slotSize = ckSCSL->ReadUint32(); |
int slotCount = ckSCSL->ReadUint32(); |
4441 |
int unknownSpace = slotSize - 2*sizeof(uint32_t); // in case of future extensions |
if (slotCount) { |
4442 |
for (int i = 0; i < slotCount; ++i) { |
int slotSize = ckSCSL->ReadUint32(); |
4443 |
_ScriptPooolEntry e; |
ckSCSL->SetPos(headerSize); // in case of future header extensions |
4444 |
e.fileOffset = ckSCSL->ReadUint32(); |
int unknownSpace = slotSize - 2*sizeof(uint32_t); // in case of future slot extensions |
4445 |
e.bypass = ckSCSL->ReadUint32() & 1; |
for (int i = 0; i < slotCount; ++i) { |
4446 |
if (unknownSpace) ckSCSL->SetPos(unknownSpace, RIFF::stream_curpos); // in case of future extensions |
_ScriptPooolEntry e; |
4447 |
scriptPoolFileOffsets.push_back(e); |
e.fileOffset = ckSCSL->ReadUint32(); |
4448 |
|
e.bypass = ckSCSL->ReadUint32() & 1; |
4449 |
|
if (unknownSpace) ckSCSL->SetPos(unknownSpace, RIFF::stream_curpos); // in case of future extensions |
4450 |
|
scriptPoolFileOffsets.push_back(e); |
4451 |
|
} |
4452 |
} |
} |
4453 |
} |
} |
4454 |
} |
} |
4483 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
4484 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
4485 |
* |
* |
4486 |
|
* @param pProgress - callback function for progress notification |
4487 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
4488 |
*/ |
*/ |
4489 |
void Instrument::UpdateChunks() { |
void Instrument::UpdateChunks(progress_t* pProgress) { |
4490 |
// first update base classes' chunks |
// first update base classes' chunks |
4491 |
DLS::Instrument::UpdateChunks(); |
DLS::Instrument::UpdateChunks(pProgress); |
4492 |
|
|
4493 |
// update Regions' chunks |
// update Regions' chunks |
4494 |
{ |
{ |
4495 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
4496 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
4497 |
for (; iter != end; ++iter) |
for (; iter != end; ++iter) |
4498 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(pProgress); |
4499 |
} |
} |
4500 |
|
|
4501 |
// make sure 'lart' RIFF list chunk exists |
// make sure 'lart' RIFF list chunk exists |
4532 |
} |
} |
4533 |
|
|
4534 |
// own gig format extensions |
// own gig format extensions |
4535 |
if (pScriptRefs) { |
if (ScriptSlotCount()) { |
4536 |
|
// make sure we have converted the original loaded script file |
4537 |
|
// offsets into valid Script object pointers |
4538 |
|
LoadScripts(); |
4539 |
|
|
4540 |
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4541 |
if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS); |
if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS); |
4542 |
const int totalSize = pScriptRefs->size() * 2*sizeof(uint32_t); |
const int slotCount = pScriptRefs->size(); |
4543 |
|
const int headerSize = 3 * sizeof(uint32_t); |
4544 |
|
const int slotSize = 2 * sizeof(uint32_t); |
4545 |
|
const int totalChunkSize = headerSize + slotCount * slotSize; |
4546 |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4547 |
if (!ckSCSL) ckSCSL = lst3LS->AddSubChunk(CHUNK_ID_SCSL, totalSize); |
if (!ckSCSL) ckSCSL = lst3LS->AddSubChunk(CHUNK_ID_SCSL, totalChunkSize); |
4548 |
else ckSCSL->Resize(totalSize); |
else ckSCSL->Resize(totalChunkSize); |
4549 |
uint8_t* pData = (uint8_t*) ckSCSL->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckSCSL->LoadChunkData(); |
4550 |
for (int i = 0, pos = 0; i < pScriptRefs->size(); ++i) { |
int pos = 0; |
4551 |
int fileOffset = |
store32(&pData[pos], headerSize); |
4552 |
(*pScriptRefs)[i].script->pChunk->GetFilePos() - |
pos += sizeof(uint32_t); |
4553 |
(*pScriptRefs)[i].script->pChunk->GetPos() - |
store32(&pData[pos], slotCount); |
4554 |
CHUNK_HEADER_SIZE; |
pos += sizeof(uint32_t); |
4555 |
store32(&pData[pos], fileOffset); |
store32(&pData[pos], slotSize); |
4556 |
|
pos += sizeof(uint32_t); |
4557 |
|
for (int i = 0; i < slotCount; ++i) { |
4558 |
|
// arbitrary value, the actual file offset will be updated in |
4559 |
|
// UpdateScriptFileOffsets() after the file has been resized |
4560 |
|
int bogusFileOffset = 0; |
4561 |
|
store32(&pData[pos], bogusFileOffset); |
4562 |
pos += sizeof(uint32_t); |
pos += sizeof(uint32_t); |
4563 |
store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0); |
store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0); |
4564 |
pos += sizeof(uint32_t); |
pos += sizeof(uint32_t); |
4565 |
} |
} |
4566 |
|
} else { |
4567 |
|
// no script slots, so get rid of any LS custom RIFF chunks (if any) |
4568 |
|
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4569 |
|
if (lst3LS) pCkInstrument->DeleteSubChunk(lst3LS); |
4570 |
} |
} |
4571 |
} |
} |
4572 |
|
|
4573 |
|
void Instrument::UpdateScriptFileOffsets() { |
4574 |
|
// own gig format extensions |
4575 |
|
if (pScriptRefs && pScriptRefs->size() > 0) { |
4576 |
|
RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS); |
4577 |
|
RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL); |
4578 |
|
const int slotCount = pScriptRefs->size(); |
4579 |
|
const int headerSize = 3 * sizeof(uint32_t); |
4580 |
|
ckSCSL->SetPos(headerSize); |
4581 |
|
for (int i = 0; i < slotCount; ++i) { |
4582 |
|
uint32_t fileOffset = |
4583 |
|
(*pScriptRefs)[i].script->pChunk->GetFilePos() - |
4584 |
|
(*pScriptRefs)[i].script->pChunk->GetPos() - |
4585 |
|
CHUNK_HEADER_SIZE(ckSCSL->GetFile()->GetFileOffsetSize()); |
4586 |
|
ckSCSL->WriteUint32(&fileOffset); |
4587 |
|
// jump over flags entry (containing the bypass flag) |
4588 |
|
ckSCSL->SetPos(sizeof(uint32_t), RIFF::stream_curpos); |
4589 |
|
} |
4590 |
|
} |
4591 |
|
} |
4592 |
|
|
4593 |
/** |
/** |
4594 |
* Returns the appropriate Region for a triggered note. |
* Returns the appropriate Region for a triggered note. |
4595 |
* |
* |
4657 |
} |
} |
4658 |
|
|
4659 |
/** |
/** |
4660 |
|
* Move this instrument at the position before @arg dst. |
4661 |
|
* |
4662 |
|
* This method can be used to reorder the sequence of instruments in a |
4663 |
|
* .gig file. This might be helpful especially on large .gig files which |
4664 |
|
* contain a large number of instruments within the same .gig file. So |
4665 |
|
* grouping such instruments to similar ones, can help to keep track of them |
4666 |
|
* when working with such complex .gig files. |
4667 |
|
* |
4668 |
|
* When calling this method, this instrument will be removed from in its |
4669 |
|
* current position in the instruments list and moved to the requested |
4670 |
|
* target position provided by @param dst. You may also pass NULL as |
4671 |
|
* argument to this method, in that case this intrument will be moved to the |
4672 |
|
* very end of the .gig file's instrument list. |
4673 |
|
* |
4674 |
|
* You have to call Save() to make the order change persistent to the .gig |
4675 |
|
* file. |
4676 |
|
* |
4677 |
|
* Currently this method is limited to moving the instrument within the same |
4678 |
|
* .gig file. Trying to move it to another .gig file by calling this method |
4679 |
|
* will throw an exception. |
4680 |
|
* |
4681 |
|
* @param dst - destination instrument at which this instrument will be |
4682 |
|
* moved to, or pass NULL for moving to end of list |
4683 |
|
* @throw gig::Exception if this instrument and target instrument are not |
4684 |
|
* part of the same file |
4685 |
|
*/ |
4686 |
|
void Instrument::MoveTo(Instrument* dst) { |
4687 |
|
if (dst && GetParent() != dst->GetParent()) |
4688 |
|
throw Exception( |
4689 |
|
"gig::Instrument::MoveTo() can only be used for moving within " |
4690 |
|
"the same gig file." |
4691 |
|
); |
4692 |
|
|
4693 |
|
File* pFile = (File*) GetParent(); |
4694 |
|
|
4695 |
|
// move this instrument within the instrument list |
4696 |
|
{ |
4697 |
|
File::InstrumentList& list = *pFile->pInstruments; |
4698 |
|
|
4699 |
|
File::InstrumentList::iterator itFrom = |
4700 |
|
std::find(list.begin(), list.end(), static_cast<DLS::Instrument*>(this)); |
4701 |
|
|
4702 |
|
File::InstrumentList::iterator itTo = |
4703 |
|
std::find(list.begin(), list.end(), static_cast<DLS::Instrument*>(dst)); |
4704 |
|
|
4705 |
|
list.splice(itTo, list, itFrom); |
4706 |
|
} |
4707 |
|
|
4708 |
|
// move the instrument's actual list RIFF chunk appropriately |
4709 |
|
RIFF::List* lstCkInstruments = pFile->pRIFF->GetSubList(LIST_TYPE_LINS); |
4710 |
|
lstCkInstruments->MoveSubChunk( |
4711 |
|
this->pCkInstrument, |
4712 |
|
(RIFF::Chunk*) ((dst) ? dst->pCkInstrument : NULL) |
4713 |
|
); |
4714 |
|
} |
4715 |
|
|
4716 |
|
/** |
4717 |
* Returns a MIDI rule of the instrument. |
* Returns a MIDI rule of the instrument. |
4718 |
* |
* |
4719 |
* The list of MIDI rules, at least in gig v3, always contains at |
* The list of MIDI rules, at least in gig v3, always contains at |
4782 |
if (scriptPoolFileOffsets.empty()) return; |
if (scriptPoolFileOffsets.empty()) return; |
4783 |
File* pFile = (File*) GetParent(); |
File* pFile = (File*) GetParent(); |
4784 |
for (uint k = 0; k < scriptPoolFileOffsets.size(); ++k) { |
for (uint k = 0; k < scriptPoolFileOffsets.size(); ++k) { |
4785 |
uint32_t offset = scriptPoolFileOffsets[k].fileOffset; |
uint32_t soughtOffset = scriptPoolFileOffsets[k].fileOffset; |
4786 |
for (uint i = 0; pFile->GetScriptGroup(i); ++i) { |
for (uint i = 0; pFile->GetScriptGroup(i); ++i) { |
4787 |
ScriptGroup* group = pFile->GetScriptGroup(i); |
ScriptGroup* group = pFile->GetScriptGroup(i); |
4788 |
for (uint s = 0; group->GetScript(s); ++s) { |
for (uint s = 0; group->GetScript(s); ++s) { |
4789 |
Script* script = group->GetScript(s); |
Script* script = group->GetScript(s); |
4790 |
if (script->pChunk) { |
if (script->pChunk) { |
4791 |
script->pChunk->SetPos(0); |
uint32_t offset = script->pChunk->GetFilePos() - |
4792 |
if (script->pChunk->GetFilePos() - |
script->pChunk->GetPos() - |
4793 |
script->pChunk->GetPos() - |
CHUNK_HEADER_SIZE(script->pChunk->GetFile()->GetFileOffsetSize()); |
4794 |
CHUNK_HEADER_SIZE == offset) |
if (offset == soughtOffset) |
4795 |
{ |
{ |
4796 |
_ScriptPooolRef ref; |
_ScriptPooolRef ref; |
4797 |
ref.script = script; |
ref.script = script; |
5073 |
* |
* |
5074 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
5075 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
5076 |
|
* |
5077 |
|
* @param pProgress - callback function for progress notification |
5078 |
*/ |
*/ |
5079 |
void Group::UpdateChunks() { |
void Group::UpdateChunks(progress_t* pProgress) { |
5080 |
// make sure <3gri> and <3gnl> list chunks exist |
// make sure <3gri> and <3gnl> list chunks exist |
5081 |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
5082 |
if (!_3gri) { |
if (!_3gri) { |
5353 |
int iTotalSamples = WavePoolCount; |
int iTotalSamples = WavePoolCount; |
5354 |
|
|
5355 |
// check if samples should be loaded from extension files |
// check if samples should be loaded from extension files |
5356 |
|
// (only for old gig files < 2 GB) |
5357 |
int lastFileNo = 0; |
int lastFileNo = 0; |
5358 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
if (!file->IsNew() && !(file->GetCurrentFileSize() >> 31)) { |
5359 |
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
for (int i = 0 ; i < WavePoolCount ; i++) { |
5360 |
|
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
5361 |
|
} |
5362 |
} |
} |
5363 |
String name(pRIFF->GetFileName()); |
String name(pRIFF->GetFileName()); |
5364 |
int nameLen = name.length(); |
int nameLen = name.length(); |
5368 |
for (int fileNo = 0 ; ; ) { |
for (int fileNo = 0 ; ; ) { |
5369 |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
5370 |
if (wvpl) { |
if (wvpl) { |
5371 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
file_offset_t wvplFileOffset = wvpl->GetFilePos(); |
5372 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
5373 |
while (wave) { |
while (wave) { |
5374 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
5376 |
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
5377 |
__notify_progress(pProgress, subprogress); |
__notify_progress(pProgress, subprogress); |
5378 |
|
|
5379 |
unsigned long waveFileOffset = wave->GetFilePos(); |
file_offset_t waveFileOffset = wave->GetFilePos(); |
5380 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo)); |
5381 |
|
|
5382 |
iSampleIndex++; |
iSampleIndex++; |
5855 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
5856 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
5857 |
* |
* |
5858 |
|
* @param pProgress - callback function for progress notification |
5859 |
* @throws Exception - on errors |
* @throws Exception - on errors |
5860 |
*/ |
*/ |
5861 |
void File::UpdateChunks() { |
void File::UpdateChunks(progress_t* pProgress) { |
5862 |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
5863 |
|
|
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
|
|
|
|
5864 |
// update own gig format extension chunks |
// update own gig format extension chunks |
5865 |
// (not part of the GigaStudio 4 format) |
// (not part of the GigaStudio 4 format) |
5866 |
// |
RIFF::List* lst3LS = pRIFF->GetSubList(LIST_TYPE_3LS); |
5867 |
|
if (!lst3LS) { |
5868 |
|
lst3LS = pRIFF->AddSubList(LIST_TYPE_3LS); |
5869 |
|
} |
5870 |
|
// Make sure <3LS > chunk is placed before <ptbl> chunk. The precise |
5871 |
|
// location of <3LS > is irrelevant, however it should be located |
5872 |
|
// before the actual wave data |
5873 |
|
RIFF::Chunk* ckPTBL = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
5874 |
|
pRIFF->MoveSubChunk(lst3LS, ckPTBL); |
5875 |
|
|
5876 |
// This must be performed before writing the chunks for instruments, |
// This must be performed before writing the chunks for instruments, |
5877 |
// because the instruments' script slots will write the file offsets |
// because the instruments' script slots will write the file offsets |
5878 |
// of the respective instrument script chunk as reference. |
// of the respective instrument script chunk as reference. |
5879 |
if (pScriptGroups) { |
if (pScriptGroups) { |
5880 |
RIFF::List* lst3LS = pRIFF->GetSubList(LIST_TYPE_3LS); |
// Update instrument script (group) chunks. |
5881 |
if (pScriptGroups->empty()) { |
for (std::list<ScriptGroup*>::iterator it = pScriptGroups->begin(); |
5882 |
if (lst3LS) pRIFF->DeleteSubChunk(lst3LS); |
it != pScriptGroups->end(); ++it) |
5883 |
} else { |
{ |
5884 |
if (!lst3LS) lst3LS = pRIFF->AddSubList(LIST_TYPE_3LS); |
(*it)->UpdateChunks(pProgress); |
|
|
|
|
// Update instrument script (group) chunks. |
|
|
|
|
|
for (std::list<ScriptGroup*>::iterator it = pScriptGroups->begin(); |
|
|
it != pScriptGroups->end(); ++it) |
|
|
{ |
|
|
(*it)->UpdateChunks(); |
|
|
} |
|
5885 |
} |
} |
5886 |
} |
} |
5887 |
|
|
5888 |
|
// in case no libgig custom format data was added, then remove the |
5889 |
|
// custom "3LS " chunk again |
5890 |
|
if (!lst3LS->CountSubChunks()) { |
5891 |
|
pRIFF->DeleteSubChunk(lst3LS); |
5892 |
|
lst3LS = NULL; |
5893 |
|
} |
5894 |
|
|
5895 |
// first update base class's chunks |
// first update base class's chunks |
5896 |
DLS::File::UpdateChunks(); |
DLS::File::UpdateChunks(pProgress); |
5897 |
|
|
5898 |
if (newFile) { |
if (newFile) { |
5899 |
// INFO was added by Resource::UpdateChunks - make sure it |
// INFO was added by Resource::UpdateChunks - make sure it |
5930 |
std::list<Group*>::iterator iter = pGroups->begin(); |
std::list<Group*>::iterator iter = pGroups->begin(); |
5931 |
std::list<Group*>::iterator end = pGroups->end(); |
std::list<Group*>::iterator end = pGroups->end(); |
5932 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
5933 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(pProgress); |
5934 |
} |
} |
5935 |
} |
} |
5936 |
|
|
6062 |
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
6063 |
} |
} |
6064 |
} |
} |
6065 |
|
|
6066 |
|
void File::UpdateFileOffsets() { |
6067 |
|
DLS::File::UpdateFileOffsets(); |
6068 |
|
|
6069 |
|
for (Instrument* instrument = GetFirstInstrument(); instrument; |
6070 |
|
instrument = GetNextInstrument()) |
6071 |
|
{ |
6072 |
|
instrument->UpdateScriptFileOffsets(); |
6073 |
|
} |
6074 |
|
} |
6075 |
|
|
6076 |
/** |
/** |
6077 |
* Enable / disable automatic loading. By default this properyt is |
* Enable / disable automatic loading. By default this properyt is |