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#include <iostream> |
#include <iostream> |
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namespace gig { namespace { |
namespace gig { |
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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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// *************** Internal functions for sample decopmression *************** |
// *************** Internal functions for sample decopmression *************** |
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// * |
// * |
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namespace { |
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inline int get12lo(const unsigned char* pSrc) |
inline int get12lo(const unsigned char* pSrc) |
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{ |
{ |
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const int x = pSrc[0] | (pSrc[1] & 0x0f) << 8; |
const int x = pSrc[0] | (pSrc[1] & 0x0f) << 8; |
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void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
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int dstStep, const unsigned char* pSrc, int16_t* pDst, |
int dstStep, const unsigned char* pSrc, int16_t* pDst, |
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unsigned long currentframeoffset, |
unsigned long currentframeoffset, |
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unsigned long copysamples) |
unsigned long copysamples, int truncatedBits) |
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{ |
{ |
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// Note: The 24 bits are truncated to 16 bits for now. |
// Note: The 24 bits are truncated to 16 bits for now. |
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// |
// |
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// Strange thing #2: The formula in SKIP_ONE gives values for |
// Strange thing #2: The formula in SKIP_ONE gives values for |
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// y that are twice as high as they should be. That's why |
// y that are twice as high as they should be. That's why |
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// COPY_ONE shifts 9 steps instead of 8, and also why y is |
// COPY_ONE shifts an extra step, and also why y is |
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// initialized with a sum instead of a mean value. |
// initialized with a sum instead of a mean value. |
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int y, dy, ddy; |
int y, dy, ddy; |
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const int shift = 8 - truncatedBits; |
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const int shift1 = shift + 1; |
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#define GET_PARAMS(params) \ |
#define GET_PARAMS(params) \ |
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y = (get24(params) + get24((params) + 3)); \ |
y = (get24(params) + get24((params) + 3)); \ |
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dy = get24((params) + 6); \ |
dy = get24((params) + 6); \ |
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#define COPY_ONE(x) \ |
#define COPY_ONE(x) \ |
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SKIP_ONE(x); \ |
SKIP_ONE(x); \ |
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*pDst = y >> 9; \ |
*pDst = y >> shift1; \ |
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pDst += dstStep |
pDst += dstStep |
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switch (compressionmode) { |
switch (compressionmode) { |
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case 2: // 24 bit uncompressed |
case 2: // 24 bit uncompressed |
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pSrc += currentframeoffset * 3; |
pSrc += currentframeoffset * 3; |
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while (copysamples) { |
while (copysamples) { |
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*pDst = get24(pSrc) >> 8; |
*pDst = get24(pSrc) >> shift; |
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pDst += dstStep; |
pDst += dstStep; |
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pSrc += 3; |
pSrc += 3; |
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copysamples--; |
copysamples--; |
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if (BitDepth > 24) throw gig::Exception("Only samples up to 24 bit supported"); |
if (BitDepth > 24) throw gig::Exception("Only samples up to 24 bit supported"); |
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Compressed = (waveList->GetSubChunk(CHUNK_ID_EWAV)); |
RIFF::Chunk* ewav = waveList->GetSubChunk(CHUNK_ID_EWAV); |
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Compressed = ewav; |
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Dithered = false; |
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TruncatedBits = 0; |
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if (Compressed) { |
if (Compressed) { |
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uint32_t version = ewav->ReadInt32(); |
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if (version == 3 && BitDepth == 24) { |
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Dithered = ewav->ReadInt32(); |
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ewav->SetPos(Channels == 2 ? 84 : 64); |
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TruncatedBits = ewav->ReadInt32(); |
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} |
290 |
ScanCompressedSample(); |
ScanCompressedSample(); |
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} |
} |
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InternalDecompressionBuffer.pStart = new unsigned char[INITIAL_SAMPLE_BUFFER_SIZE]; |
InternalDecompressionBuffer.pStart = new unsigned char[INITIAL_SAMPLE_BUFFER_SIZE]; |
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InternalDecompressionBuffer.Size = INITIAL_SAMPLE_BUFFER_SIZE; |
InternalDecompressionBuffer.Size = INITIAL_SAMPLE_BUFFER_SIZE; |
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} |
} |
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FrameOffset = 0; // just for streaming compressed samples |
FrameOffset = 0; // just for streaming compressed samples |
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LoopSize = LoopEnd - LoopStart; |
LoopSize = LoopEnd - LoopStart; |
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} |
} |
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const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
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if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
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Decompress24(mode_l, param_l, 2, pSrc, pDst, skipsamples, copysamples); |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
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skipsamples, copysamples, TruncatedBits); |
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Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
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skipsamples, copysamples); |
skipsamples, copysamples, TruncatedBits); |
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pDst += copysamples << 1; |
pDst += copysamples << 1; |
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} |
} |
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else { // Mono |
else { // Mono |
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Decompress24(mode_l, param_l, 1, pSrc, pDst, skipsamples, copysamples); |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
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skipsamples, copysamples, TruncatedBits); |
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pDst += copysamples; |
pDst += copysamples; |
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} |
} |
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} |
} |
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VelocityResponseCurveScaling); |
VelocityResponseCurveScaling); |
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(*pVelocityTables)[tableKey] = pVelocityAttenuationTable; // put the new table into the tables map |
(*pVelocityTables)[tableKey] = pVelocityAttenuationTable; // put the new table into the tables map |
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} |
} |
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SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
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} |
} |
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leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
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pDimensionDefinitions[i].zones = 0x01 << bits; // = pow(2,bits) |
pDimensionDefinitions[i].zones = 0x01 << bits; // = pow(2,bits) |
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pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
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dimension == dimension_samplechannel || |
dimension == dimension_samplechannel || |
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dimension == dimension_releasetrigger) ? split_type_bit |
dimension == dimension_releasetrigger || |
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: split_type_normal; |
dimension == dimension_roundrobin || |
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dimension == dimension_random) ? split_type_bit |
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: split_type_normal; |
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pDimensionDefinitions[i].ranges = NULL; // it's not possible to check velocity dimensions for custom defined ranges at this point |
pDimensionDefinitions[i].ranges = NULL; // it's not possible to check velocity dimensions for custom defined ranges at this point |
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pDimensionDefinitions[i].zone_size = |
pDimensionDefinitions[i].zone_size = |
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(pDimensionDefinitions[i].split_type == split_type_normal) ? 128 / pDimensionDefinitions[i].zones |
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128 / pDimensionDefinitions[i].zones |
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else return static_cast<gig::Sample*>(pSample = GetSampleFromWavePool(WavePoolTableIndex)); |
else return static_cast<gig::Sample*>(pSample = GetSampleFromWavePool(WavePoolTableIndex)); |
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} |
} |
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Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
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if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
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File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
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unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
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Sample* sample = file->GetFirstSample(); |
Sample* sample = file->GetFirstSample(pProgress); |
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while (sample) { |
while (sample) { |
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if (sample->ulWavePoolOffset == soughtoffset) return static_cast<gig::Sample*>(pSample = sample); |
if (sample->ulWavePoolOffset == soughtoffset) return static_cast<gig::Sample*>(pSample = sample); |
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sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
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// *************** Instrument *************** |
// *************** Instrument *************** |
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// * |
// * |
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Instrument::Instrument(File* pFile, RIFF::List* insList) : DLS::Instrument((DLS::File*)pFile, insList) { |
Instrument::Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress) : DLS::Instrument((DLS::File*)pFile, insList) { |
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// Initialization |
// Initialization |
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for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
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RegionIndex = -1; |
RegionIndex = -1; |
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unsigned int iRegion = 0; |
unsigned int iRegion = 0; |
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while (rgn) { |
while (rgn) { |
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if (rgn->GetListType() == LIST_TYPE_RGN) { |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
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__notify_progress(pProgress, (float) iRegion / (float) Regions); |
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pRegions[iRegion] = new Region(this, rgn); |
pRegions[iRegion] = new Region(this, rgn); |
1638 |
iRegion++; |
iRegion++; |
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} |
} |
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RegionKeyTable[iKey] = pRegions[iReg]; |
RegionKeyTable[iKey] = pRegions[iReg]; |
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} |
} |
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} |
} |
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__notify_progress(pProgress, 1.0f); // notify done |
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} |
} |
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Instrument::~Instrument() { |
Instrument::~Instrument() { |
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} |
} |
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} |
} |
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Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
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if (!pSamples) LoadSamples(); |
if (!pSamples) LoadSamples(pProgress); |
1741 |
if (!pSamples) return NULL; |
if (!pSamples) return NULL; |
1742 |
SamplesIterator = pSamples->begin(); |
SamplesIterator = pSamples->begin(); |
1743 |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
1749 |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
1750 |
} |
} |
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1752 |
void File::LoadSamples() { |
void File::LoadSamples(progress_t* pProgress) { |
1753 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1754 |
if (wvpl) { |
if (wvpl) { |
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// just for progress calculation |
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int iSampleIndex = 0; |
1757 |
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int iTotalSamples = wvpl->CountSubLists(LIST_TYPE_WAVE); |
1758 |
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1759 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
1760 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
1761 |
while (wave) { |
while (wave) { |
1762 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
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// notify current progress |
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const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
1765 |
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__notify_progress(pProgress, subprogress); |
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1767 |
if (!pSamples) pSamples = new SampleList; |
if (!pSamples) pSamples = new SampleList; |
1768 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1769 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1770 |
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iSampleIndex++; |
1772 |
} |
} |
1773 |
wave = wvpl->GetNextSubList(); |
wave = wvpl->GetNextSubList(); |
1774 |
} |
} |
1775 |
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__notify_progress(pProgress, 1.0); // notify done |
1776 |
} |
} |
1777 |
else throw gig::Exception("Mandatory <wvpl> chunk not found."); |
else throw gig::Exception("Mandatory <wvpl> chunk not found."); |
1778 |
} |
} |
1793 |
/** |
/** |
1794 |
* Returns the instrument with the given index. |
* Returns the instrument with the given index. |
1795 |
* |
* |
1796 |
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* @param index - number of the sought instrument (0..n) |
1797 |
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* @param pProgress - optional: callback function for progress notification |
1798 |
* @returns sought instrument or NULL if there's no such instrument |
* @returns sought instrument or NULL if there's no such instrument |
1799 |
*/ |
*/ |
1800 |
Instrument* File::GetInstrument(uint index) { |
Instrument* File::GetInstrument(uint index, progress_t* pProgress) { |
1801 |
if (!pInstruments) LoadInstruments(); |
if (!pInstruments) { |
1802 |
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// TODO: hack - we simply load ALL samples here, it would have been done in the Region constructor anyway (ATM) |
1803 |
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1804 |
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// sample loading subtask |
1805 |
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progress_t subprogress; |
1806 |
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__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
1807 |
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__notify_progress(&subprogress, 0.0f); |
1808 |
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GetFirstSample(&subprogress); // now force all samples to be loaded |
1809 |
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__notify_progress(&subprogress, 1.0f); |
1810 |
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// instrument loading subtask |
1812 |
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if (pProgress && pProgress->callback) { |
1813 |
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subprogress.__range_min = subprogress.__range_max; |
1814 |
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subprogress.__range_max = pProgress->__range_max; // schedule remaining percentage for this subtask |
1815 |
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} |
1816 |
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__notify_progress(&subprogress, 0.0f); |
1817 |
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LoadInstruments(&subprogress); |
1818 |
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__notify_progress(&subprogress, 1.0f); |
1819 |
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} |
1820 |
if (!pInstruments) return NULL; |
if (!pInstruments) return NULL; |
1821 |
InstrumentsIterator = pInstruments->begin(); |
InstrumentsIterator = pInstruments->begin(); |
1822 |
for (uint i = 0; InstrumentsIterator != pInstruments->end(); i++) { |
for (uint i = 0; InstrumentsIterator != pInstruments->end(); i++) { |
1826 |
return NULL; |
return NULL; |
1827 |
} |
} |
1828 |
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|
1829 |
void File::LoadInstruments() { |
void File::LoadInstruments(progress_t* pProgress) { |
1830 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1831 |
if (lstInstruments) { |
if (lstInstruments) { |
1832 |
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int iInstrumentIndex = 0; |
1833 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
1834 |
while (lstInstr) { |
while (lstInstr) { |
1835 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
1836 |
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// notify current progress |
1837 |
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const float localProgress = (float) iInstrumentIndex / (float) Instruments; |
1838 |
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__notify_progress(pProgress, localProgress); |
1839 |
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|
1840 |
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// divide local progress into subprogress for loading current Instrument |
1841 |
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progress_t subprogress; |
1842 |
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__divide_progress(pProgress, &subprogress, Instruments, iInstrumentIndex); |
1843 |
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1844 |
if (!pInstruments) pInstruments = new InstrumentList; |
if (!pInstruments) pInstruments = new InstrumentList; |
1845 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
pInstruments->push_back(new Instrument(this, lstInstr, &subprogress)); |
1846 |
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|
1847 |
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iInstrumentIndex++; |
1848 |
} |
} |
1849 |
lstInstr = lstInstruments->GetNextSubList(); |
lstInstr = lstInstruments->GetNextSubList(); |
1850 |
} |
} |
1851 |
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__notify_progress(pProgress, 1.0); // notify done |
1852 |
} |
} |
1853 |
else throw gig::Exception("Mandatory <lins> list chunk not found."); |
else throw gig::Exception("Mandatory <lins> list chunk not found."); |
1854 |
} |
} |