25 |
|
|
26 |
#include <iostream> |
#include <iostream> |
27 |
|
|
28 |
namespace gig { namespace { |
namespace gig { |
29 |
|
|
30 |
|
// *************** progress_t *************** |
31 |
|
// * |
32 |
|
|
33 |
|
progress_t::progress_t() { |
34 |
|
callback = NULL; |
35 |
|
__range_min = 0.0f; |
36 |
|
__range_max = 1.0f; |
37 |
|
} |
38 |
|
|
39 |
|
// private helper function to convert progress of a subprocess into the global progress |
40 |
|
static void __notify_progress(progress_t* pProgress, float subprogress) { |
41 |
|
if (pProgress && pProgress->callback) { |
42 |
|
const float totalrange = pProgress->__range_max - pProgress->__range_min; |
43 |
|
const float totalprogress = pProgress->__range_min + subprogress * totalrange; |
44 |
|
pProgress->callback(totalprogress); // now actually notify about the progress |
45 |
|
} |
46 |
|
} |
47 |
|
|
48 |
|
// private helper function to divide a progress into subprogresses |
49 |
|
static void __divide_progress(progress_t* pParentProgress, progress_t* pSubProgress, float totalTasks, float currentTask) { |
50 |
|
if (pParentProgress && pParentProgress->callback) { |
51 |
|
const float totalrange = pParentProgress->__range_max - pParentProgress->__range_min; |
52 |
|
pSubProgress->callback = pParentProgress->callback; |
53 |
|
pSubProgress->__range_min = pParentProgress->__range_min + totalrange * currentTask / totalTasks; |
54 |
|
pSubProgress->__range_max = pSubProgress->__range_min + totalrange / totalTasks; |
55 |
|
} |
56 |
|
} |
57 |
|
|
58 |
|
|
59 |
// *************** Internal functions for sample decopmression *************** |
// *************** Internal functions for sample decopmression *************** |
60 |
// * |
// * |
61 |
|
|
62 |
|
namespace { |
63 |
|
|
64 |
inline int get12lo(const unsigned char* pSrc) |
inline int get12lo(const unsigned char* pSrc) |
65 |
{ |
{ |
66 |
const int x = pSrc[0] | (pSrc[1] & 0x0f) << 8; |
const int x = pSrc[0] | (pSrc[1] & 0x0f) << 8; |
125 |
void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
126 |
int dstStep, const unsigned char* pSrc, int16_t* pDst, |
int dstStep, const unsigned char* pSrc, int16_t* pDst, |
127 |
unsigned long currentframeoffset, |
unsigned long currentframeoffset, |
128 |
unsigned long copysamples) |
unsigned long copysamples, int truncatedBits) |
129 |
{ |
{ |
130 |
// Note: The 24 bits are truncated to 16 bits for now. |
// Note: The 24 bits are truncated to 16 bits for now. |
131 |
|
|
137 |
// |
// |
138 |
// Strange thing #2: The formula in SKIP_ONE gives values for |
// Strange thing #2: The formula in SKIP_ONE gives values for |
139 |
// 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 |
140 |
// COPY_ONE shifts 9 steps instead of 8, and also why y is |
// COPY_ONE shifts an extra step, and also why y is |
141 |
// initialized with a sum instead of a mean value. |
// initialized with a sum instead of a mean value. |
142 |
|
|
143 |
int y, dy, ddy; |
int y, dy, ddy; |
144 |
|
|
145 |
|
const int shift = 8 - truncatedBits; |
146 |
|
const int shift1 = shift + 1; |
147 |
|
|
148 |
#define GET_PARAMS(params) \ |
#define GET_PARAMS(params) \ |
149 |
y = (get24(params) + get24((params) + 3)); \ |
y = (get24(params) + get24((params) + 3)); \ |
150 |
dy = get24((params) + 6); \ |
dy = get24((params) + 6); \ |
157 |
|
|
158 |
#define COPY_ONE(x) \ |
#define COPY_ONE(x) \ |
159 |
SKIP_ONE(x); \ |
SKIP_ONE(x); \ |
160 |
*pDst = y >> 9; \ |
*pDst = y >> shift1; \ |
161 |
pDst += dstStep |
pDst += dstStep |
162 |
|
|
163 |
switch (compressionmode) { |
switch (compressionmode) { |
164 |
case 2: // 24 bit uncompressed |
case 2: // 24 bit uncompressed |
165 |
pSrc += currentframeoffset * 3; |
pSrc += currentframeoffset * 3; |
166 |
while (copysamples) { |
while (copysamples) { |
167 |
*pDst = get24(pSrc) >> 8; |
*pDst = get24(pSrc) >> shift; |
168 |
pDst += dstStep; |
pDst += dstStep; |
169 |
pSrc += 3; |
pSrc += 3; |
170 |
copysamples--; |
copysamples--; |
273 |
|
|
274 |
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"); |
275 |
|
|
276 |
Compressed = (waveList->GetSubChunk(CHUNK_ID_EWAV)); |
RIFF::Chunk* ewav = waveList->GetSubChunk(CHUNK_ID_EWAV); |
277 |
|
Compressed = ewav; |
278 |
|
Dithered = false; |
279 |
|
TruncatedBits = 0; |
280 |
if (Compressed) { |
if (Compressed) { |
281 |
|
uint32_t version = ewav->ReadInt32(); |
282 |
|
if (version == 3 && BitDepth == 24) { |
283 |
|
Dithered = ewav->ReadInt32(); |
284 |
|
ewav->SetPos(Channels == 2 ? 84 : 64); |
285 |
|
TruncatedBits = ewav->ReadInt32(); |
286 |
|
} |
287 |
ScanCompressedSample(); |
ScanCompressedSample(); |
288 |
} |
} |
289 |
|
|
292 |
InternalDecompressionBuffer.pStart = new unsigned char[INITIAL_SAMPLE_BUFFER_SIZE]; |
InternalDecompressionBuffer.pStart = new unsigned char[INITIAL_SAMPLE_BUFFER_SIZE]; |
293 |
InternalDecompressionBuffer.Size = INITIAL_SAMPLE_BUFFER_SIZE; |
InternalDecompressionBuffer.Size = INITIAL_SAMPLE_BUFFER_SIZE; |
294 |
} |
} |
295 |
FrameOffset = 0; // just for streaming compressed samples |
FrameOffset = 0; // just for streaming compressed samples |
296 |
|
|
297 |
LoopSize = LoopEnd - LoopStart; |
LoopSize = LoopEnd - LoopStart; |
298 |
} |
} |
889 |
const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
890 |
if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
891 |
|
|
892 |
Decompress24(mode_l, param_l, 2, pSrc, pDst, skipsamples, copysamples); |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
893 |
|
skipsamples, copysamples, TruncatedBits); |
894 |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
895 |
skipsamples, copysamples); |
skipsamples, copysamples, TruncatedBits); |
896 |
pDst += copysamples << 1; |
pDst += copysamples << 1; |
897 |
} |
} |
898 |
else { // Mono |
else { // Mono |
899 |
Decompress24(mode_l, param_l, 1, pSrc, pDst, skipsamples, copysamples); |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
900 |
|
skipsamples, copysamples, TruncatedBits); |
901 |
pDst += copysamples; |
pDst += copysamples; |
902 |
} |
} |
903 |
} |
} |
1170 |
VelocityResponseCurveScaling); |
VelocityResponseCurveScaling); |
1171 |
(*pVelocityTables)[tableKey] = pVelocityAttenuationTable; // put the new table into the tables map |
(*pVelocityTables)[tableKey] = pVelocityAttenuationTable; // put the new table into the tables map |
1172 |
} |
} |
1173 |
|
|
1174 |
|
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1175 |
} |
} |
1176 |
|
|
1177 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
1423 |
pDimensionDefinitions[i].zones = 0x01 << bits; // = pow(2,bits) |
pDimensionDefinitions[i].zones = 0x01 << bits; // = pow(2,bits) |
1424 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
1425 |
dimension == dimension_samplechannel || |
dimension == dimension_samplechannel || |
1426 |
dimension == dimension_releasetrigger) ? split_type_bit |
dimension == dimension_releasetrigger || |
1427 |
: split_type_normal; |
dimension == dimension_roundrobin || |
1428 |
|
dimension == dimension_random) ? split_type_bit |
1429 |
|
: split_type_normal; |
1430 |
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 |
1431 |
pDimensionDefinitions[i].zone_size = |
pDimensionDefinitions[i].zone_size = |
1432 |
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128 / pDimensionDefinitions[i].zones |
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128 / pDimensionDefinitions[i].zones |
1582 |
else return static_cast<gig::Sample*>(pSample = GetSampleFromWavePool(WavePoolTableIndex)); |
else return static_cast<gig::Sample*>(pSample = GetSampleFromWavePool(WavePoolTableIndex)); |
1583 |
} |
} |
1584 |
|
|
1585 |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
1586 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
1587 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
1588 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
1589 |
Sample* sample = file->GetFirstSample(); |
Sample* sample = file->GetFirstSample(pProgress); |
1590 |
while (sample) { |
while (sample) { |
1591 |
if (sample->ulWavePoolOffset == soughtoffset) return static_cast<gig::Sample*>(pSample = sample); |
if (sample->ulWavePoolOffset == soughtoffset) return static_cast<gig::Sample*>(pSample = sample); |
1592 |
sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
1599 |
// *************** Instrument *************** |
// *************** Instrument *************** |
1600 |
// * |
// * |
1601 |
|
|
1602 |
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) { |
1603 |
// Initialization |
// Initialization |
1604 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
1605 |
RegionIndex = -1; |
RegionIndex = -1; |
1630 |
unsigned int iRegion = 0; |
unsigned int iRegion = 0; |
1631 |
while (rgn) { |
while (rgn) { |
1632 |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
1633 |
|
__notify_progress(pProgress, (float) iRegion / (float) Regions); |
1634 |
pRegions[iRegion] = new Region(this, rgn); |
pRegions[iRegion] = new Region(this, rgn); |
1635 |
iRegion++; |
iRegion++; |
1636 |
} |
} |
1643 |
RegionKeyTable[iKey] = pRegions[iReg]; |
RegionKeyTable[iKey] = pRegions[iReg]; |
1644 |
} |
} |
1645 |
} |
} |
1646 |
|
|
1647 |
|
__notify_progress(pProgress, 1.0f); // notify done |
1648 |
} |
} |
1649 |
|
|
1650 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
1733 |
} |
} |
1734 |
} |
} |
1735 |
|
|
1736 |
Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
1737 |
if (!pSamples) LoadSamples(); |
if (!pSamples) LoadSamples(pProgress); |
1738 |
if (!pSamples) return NULL; |
if (!pSamples) return NULL; |
1739 |
SamplesIterator = pSamples->begin(); |
SamplesIterator = pSamples->begin(); |
1740 |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
1746 |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL ); |
1747 |
} |
} |
1748 |
|
|
1749 |
void File::LoadSamples() { |
void File::LoadSamples(progress_t* pProgress) { |
1750 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1751 |
if (wvpl) { |
if (wvpl) { |
1752 |
|
// just for progress calculation |
1753 |
|
int iSampleIndex = 0; |
1754 |
|
int iTotalSamples = wvpl->CountSubLists(LIST_TYPE_WAVE); |
1755 |
|
|
1756 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
1757 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
1758 |
while (wave) { |
while (wave) { |
1759 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
1760 |
|
// notify current progress |
1761 |
|
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
1762 |
|
__notify_progress(pProgress, subprogress); |
1763 |
|
|
1764 |
if (!pSamples) pSamples = new SampleList; |
if (!pSamples) pSamples = new SampleList; |
1765 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1766 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1767 |
|
|
1768 |
|
iSampleIndex++; |
1769 |
} |
} |
1770 |
wave = wvpl->GetNextSubList(); |
wave = wvpl->GetNextSubList(); |
1771 |
} |
} |
1772 |
|
__notify_progress(pProgress, 1.0); // notify done |
1773 |
} |
} |
1774 |
else throw gig::Exception("Mandatory <wvpl> chunk not found."); |
else throw gig::Exception("Mandatory <wvpl> chunk not found."); |
1775 |
} |
} |
1790 |
/** |
/** |
1791 |
* Returns the instrument with the given index. |
* Returns the instrument with the given index. |
1792 |
* |
* |
1793 |
|
* @param index - number of the sought instrument (0..n) |
1794 |
|
* @param pProgress - optional: callback function for progress notification |
1795 |
* @returns sought instrument or NULL if there's no such instrument |
* @returns sought instrument or NULL if there's no such instrument |
1796 |
*/ |
*/ |
1797 |
Instrument* File::GetInstrument(uint index) { |
Instrument* File::GetInstrument(uint index, progress_t* pProgress) { |
1798 |
if (!pInstruments) LoadInstruments(); |
if (!pInstruments) { |
1799 |
|
// TODO: hack - we simply load ALL samples here, it would have been done in the Region constructor anyway (ATM) |
1800 |
|
|
1801 |
|
// sample loading subtask |
1802 |
|
progress_t subprogress; |
1803 |
|
__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
1804 |
|
__notify_progress(&subprogress, 0.0f); |
1805 |
|
GetFirstSample(&subprogress); // now force all samples to be loaded |
1806 |
|
__notify_progress(&subprogress, 1.0f); |
1807 |
|
|
1808 |
|
// instrument loading subtask |
1809 |
|
if (pProgress && pProgress->callback) { |
1810 |
|
subprogress.__range_min = subprogress.__range_max; |
1811 |
|
subprogress.__range_max = pProgress->__range_max; // schedule remaining percentage for this subtask |
1812 |
|
} |
1813 |
|
__notify_progress(&subprogress, 0.0f); |
1814 |
|
LoadInstruments(&subprogress); |
1815 |
|
__notify_progress(&subprogress, 1.0f); |
1816 |
|
} |
1817 |
if (!pInstruments) return NULL; |
if (!pInstruments) return NULL; |
1818 |
InstrumentsIterator = pInstruments->begin(); |
InstrumentsIterator = pInstruments->begin(); |
1819 |
for (uint i = 0; InstrumentsIterator != pInstruments->end(); i++) { |
for (uint i = 0; InstrumentsIterator != pInstruments->end(); i++) { |
1823 |
return NULL; |
return NULL; |
1824 |
} |
} |
1825 |
|
|
1826 |
void File::LoadInstruments() { |
void File::LoadInstruments(progress_t* pProgress) { |
1827 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1828 |
if (lstInstruments) { |
if (lstInstruments) { |
1829 |
|
int iInstrumentIndex = 0; |
1830 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
1831 |
while (lstInstr) { |
while (lstInstr) { |
1832 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
1833 |
|
// notify current progress |
1834 |
|
const float localProgress = (float) iInstrumentIndex / (float) Instruments; |
1835 |
|
__notify_progress(pProgress, localProgress); |
1836 |
|
|
1837 |
|
// divide local progress into subprogress for loading current Instrument |
1838 |
|
progress_t subprogress; |
1839 |
|
__divide_progress(pProgress, &subprogress, Instruments, iInstrumentIndex); |
1840 |
|
|
1841 |
if (!pInstruments) pInstruments = new InstrumentList; |
if (!pInstruments) pInstruments = new InstrumentList; |
1842 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
pInstruments->push_back(new Instrument(this, lstInstr, &subprogress)); |
1843 |
|
|
1844 |
|
iInstrumentIndex++; |
1845 |
} |
} |
1846 |
lstInstr = lstInstruments->GetNextSubList(); |
lstInstr = lstInstruments->GetNextSubList(); |
1847 |
} |
} |
1848 |
|
__notify_progress(pProgress, 1.0); // notify done |
1849 |
} |
} |
1850 |
else throw gig::Exception("Mandatory <lins> list chunk not found."); |
else throw gig::Exception("Mandatory <lins> list chunk not found."); |
1851 |
} |
} |