243 |
unsigned int Sample::Instances = 0; |
unsigned int Sample::Instances = 0; |
244 |
buffer_t Sample::InternalDecompressionBuffer; |
buffer_t Sample::InternalDecompressionBuffer; |
245 |
|
|
246 |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo) : DLS::Sample((DLS::File*) pFile, waveList, WavePoolOffset) { |
247 |
Instances++; |
Instances++; |
248 |
|
FileNo = fileNo; |
249 |
|
|
250 |
RIFF::Chunk* _3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
RIFF::Chunk* _3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
251 |
if (!_3gix) throw gig::Exception("Mandatory chunks in <wave> list chunk not found."); |
if (!_3gix) throw gig::Exception("Mandatory chunks in <wave> list chunk not found."); |
1162 |
VCFType = vcf_type_lowpassturbo; |
VCFType = vcf_type_lowpassturbo; |
1163 |
} |
} |
1164 |
|
|
1165 |
// get the corresponding velocity->volume table from the table map or create & calculate that table if it doesn't exist yet |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1166 |
uint32_t tableKey = (VelocityResponseCurve<<16) | (VelocityResponseDepth<<8) | VelocityResponseCurveScaling; |
VelocityResponseDepth, |
1167 |
|
VelocityResponseCurveScaling); |
1168 |
|
|
1169 |
|
curve_type_t curveType = ReleaseVelocityResponseCurve; |
1170 |
|
uint8_t depth = ReleaseVelocityResponseDepth; |
1171 |
|
|
1172 |
|
// this models a strange behaviour or bug in GSt: two of the |
1173 |
|
// velocity response curves for release time are not used even |
1174 |
|
// if specified, instead another curve is chosen. |
1175 |
|
|
1176 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
1177 |
|
(curveType == curve_type_special && depth == 4)) { |
1178 |
|
curveType = curve_type_nonlinear; |
1179 |
|
depth = 3; |
1180 |
|
} |
1181 |
|
pVelocityReleaseTable = GetVelocityTable(curveType, depth, 0); |
1182 |
|
|
1183 |
|
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1184 |
|
} |
1185 |
|
|
1186 |
|
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
1187 |
|
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
1188 |
|
{ |
1189 |
|
double* table; |
1190 |
|
uint32_t tableKey = (curveType<<16) | (depth<<8) | scaling; |
1191 |
if (pVelocityTables->count(tableKey)) { // if key exists |
if (pVelocityTables->count(tableKey)) { // if key exists |
1192 |
pVelocityAttenuationTable = (*pVelocityTables)[tableKey]; |
table = (*pVelocityTables)[tableKey]; |
1193 |
} |
} |
1194 |
else { |
else { |
1195 |
pVelocityAttenuationTable = |
table = CreateVelocityTable(curveType, depth, scaling); |
1196 |
CreateVelocityTable(VelocityResponseCurve, |
(*pVelocityTables)[tableKey] = table; // put the new table into the tables map |
|
VelocityResponseDepth, |
|
|
VelocityResponseCurveScaling); |
|
|
(*pVelocityTables)[tableKey] = pVelocityAttenuationTable; // put the new table into the tables map |
|
1197 |
} |
} |
1198 |
|
return table; |
|
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
|
1199 |
} |
} |
1200 |
|
|
1201 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
1346 |
return pVelocityAttenuationTable[MIDIKeyVelocity]; |
return pVelocityAttenuationTable[MIDIKeyVelocity]; |
1347 |
} |
} |
1348 |
|
|
1349 |
|
double DimensionRegion::GetVelocityRelease(uint8_t MIDIKeyVelocity) { |
1350 |
|
return pVelocityReleaseTable[MIDIKeyVelocity]; |
1351 |
|
} |
1352 |
|
|
1353 |
double* DimensionRegion::CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) { |
double* DimensionRegion::CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) { |
1354 |
|
|
1355 |
// line-segment approximations of the 15 velocity curves |
// line-segment approximations of the 15 velocity curves |
1614 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
1615 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
1616 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
1617 |
|
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
1618 |
Sample* sample = file->GetFirstSample(pProgress); |
Sample* sample = file->GetFirstSample(pProgress); |
1619 |
while (sample) { |
while (sample) { |
1620 |
if (sample->ulWavePoolOffset == soughtoffset) return static_cast<gig::Sample*>(pSample = sample); |
if (sample->ulWavePoolOffset == soughtoffset && |
1621 |
|
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(pSample = sample); |
1622 |
sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
1623 |
} |
} |
1624 |
return NULL; |
return NULL; |
1761 |
pInstruments->clear(); |
pInstruments->clear(); |
1762 |
delete pInstruments; |
delete pInstruments; |
1763 |
} |
} |
1764 |
|
// free extension files |
1765 |
|
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
1766 |
|
delete *i; |
1767 |
} |
} |
1768 |
|
|
1769 |
Sample* File::GetFirstSample(progress_t* pProgress) { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
1780 |
} |
} |
1781 |
|
|
1782 |
void File::LoadSamples(progress_t* pProgress) { |
void File::LoadSamples(progress_t* pProgress) { |
1783 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::File* file = pRIFF; |
|
if (wvpl) { |
|
|
// just for progress calculation |
|
|
int iSampleIndex = 0; |
|
|
int iTotalSamples = wvpl->CountSubLists(LIST_TYPE_WAVE); |
|
|
|
|
|
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
|
|
RIFF::List* wave = wvpl->GetFirstSubList(); |
|
|
while (wave) { |
|
|
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
|
// notify current progress |
|
|
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
|
|
__notify_progress(pProgress, subprogress); |
|
1784 |
|
|
1785 |
if (!pSamples) pSamples = new SampleList; |
// just for progress calculation |
1786 |
unsigned long waveFileOffset = wave->GetFilePos(); |
int iSampleIndex = 0; |
1787 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
int iTotalSamples = WavePoolCount; |
1788 |
|
|
1789 |
|
// check if samples should be loaded from extension files |
1790 |
|
int lastFileNo = 0; |
1791 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1792 |
|
if (pWavePoolTableHi[i] > lastFileNo) lastFileNo = pWavePoolTableHi[i]; |
1793 |
|
} |
1794 |
|
String name(pRIFF->Filename); |
1795 |
|
int nameLen = pRIFF->Filename.length(); |
1796 |
|
char suffix[6]; |
1797 |
|
if (nameLen > 4 && pRIFF->Filename.substr(nameLen - 4) == ".gig") nameLen -= 4; |
1798 |
|
|
1799 |
|
for (int fileNo = 0 ; ; ) { |
1800 |
|
RIFF::List* wvpl = file->GetSubList(LIST_TYPE_WVPL); |
1801 |
|
if (wvpl) { |
1802 |
|
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
1803 |
|
RIFF::List* wave = wvpl->GetFirstSubList(); |
1804 |
|
while (wave) { |
1805 |
|
if (wave->GetListType() == LIST_TYPE_WAVE) { |
1806 |
|
// notify current progress |
1807 |
|
const float subprogress = (float) iSampleIndex / (float) iTotalSamples; |
1808 |
|
__notify_progress(pProgress, subprogress); |
1809 |
|
|
1810 |
|
if (!pSamples) pSamples = new SampleList; |
1811 |
|
unsigned long waveFileOffset = wave->GetFilePos(); |
1812 |
|
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset, fileNo)); |
1813 |
|
|
1814 |
iSampleIndex++; |
iSampleIndex++; |
1815 |
|
} |
1816 |
|
wave = wvpl->GetNextSubList(); |
1817 |
} |
} |
1818 |
wave = wvpl->GetNextSubList(); |
|
1819 |
|
if (fileNo == lastFileNo) break; |
1820 |
|
|
1821 |
|
// open extension file (*.gx01, *.gx02, ...) |
1822 |
|
fileNo++; |
1823 |
|
sprintf(suffix, ".gx%02d", fileNo); |
1824 |
|
name.replace(nameLen, 5, suffix); |
1825 |
|
file = new RIFF::File(name); |
1826 |
|
ExtensionFiles.push_back(file); |
1827 |
} |
} |
1828 |
__notify_progress(pProgress, 1.0); // notify done |
else throw gig::Exception("Mandatory <wvpl> chunk not found."); |
1829 |
} |
} |
1830 |
else throw gig::Exception("Mandatory <wvpl> chunk not found."); |
|
1831 |
|
__notify_progress(pProgress, 1.0); // notify done |
1832 |
} |
} |
1833 |
|
|
1834 |
Instrument* File::GetFirstInstrument() { |
Instrument* File::GetFirstInstrument() { |
1919 |
std::cout << "gig::Exception: " << Message << std::endl; |
std::cout << "gig::Exception: " << Message << std::endl; |
1920 |
} |
} |
1921 |
|
|
1922 |
|
|
1923 |
|
// *************** functions *************** |
1924 |
|
// * |
1925 |
|
|
1926 |
|
/** |
1927 |
|
* Returns the name of this C++ library. This is usually "libgig" of |
1928 |
|
* course. This call is equivalent to RIFF::libraryName() and |
1929 |
|
* DLS::libraryName(). |
1930 |
|
*/ |
1931 |
|
String libraryName() { |
1932 |
|
return PACKAGE; |
1933 |
|
} |
1934 |
|
|
1935 |
|
/** |
1936 |
|
* Returns version of this C++ library. This call is equivalent to |
1937 |
|
* RIFF::libraryVersion() and DLS::libraryVersion(). |
1938 |
|
*/ |
1939 |
|
String libraryVersion() { |
1940 |
|
return VERSION; |
1941 |
|
} |
1942 |
|
|
1943 |
} // namespace gig |
} // namespace gig |