278 |
|
|
279 |
|
|
280 |
|
|
281 |
|
// *************** CRC *************** |
282 |
|
// * |
283 |
|
|
284 |
|
const uint32_t* CRC::table(initTable()); |
285 |
|
|
286 |
|
uint32_t* CRC::initTable() { |
287 |
|
uint32_t* res = new uint32_t[256]; |
288 |
|
|
289 |
|
for (int i = 0 ; i < 256 ; i++) { |
290 |
|
uint32_t c = i; |
291 |
|
for (int j = 0 ; j < 8 ; j++) { |
292 |
|
c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
293 |
|
} |
294 |
|
res[i] = c; |
295 |
|
} |
296 |
|
return res; |
297 |
|
} |
298 |
|
|
299 |
|
|
300 |
|
|
301 |
// *************** Sample *************** |
// *************** Sample *************** |
302 |
// * |
// * |
303 |
|
|
362 |
Manufacturer = 0; |
Manufacturer = 0; |
363 |
Product = 0; |
Product = 0; |
364 |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
365 |
MIDIUnityNote = 64; |
MIDIUnityNote = 60; |
366 |
FineTune = 0; |
FineTune = 0; |
367 |
SMPTEFormat = smpte_format_no_offset; |
SMPTEFormat = smpte_format_no_offset; |
368 |
SMPTEOffset = 0; |
SMPTEOffset = 0; |
1152 |
* |
* |
1153 |
* Note: there is currently no support for writing compressed samples. |
* Note: there is currently no support for writing compressed samples. |
1154 |
* |
* |
1155 |
|
* For 16 bit samples, the data in the source buffer should be |
1156 |
|
* int16_t (using native endianness). For 24 bit, the buffer |
1157 |
|
* should contain three bytes per sample, little-endian. |
1158 |
|
* |
1159 |
* @param pBuffer - source buffer |
* @param pBuffer - source buffer |
1160 |
* @param SampleCount - number of sample points to write |
* @param SampleCount - number of sample points to write |
1161 |
* @throws DLS::Exception if current sample size is too small |
* @throws DLS::Exception if current sample size is too small |
1164 |
*/ |
*/ |
1165 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
1166 |
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)"); |
1167 |
return DLS::Sample::Write(pBuffer, SampleCount); |
|
1168 |
|
// if this is the first write in this sample, reset the |
1169 |
|
// checksum calculator |
1170 |
|
if (pCkData->GetPos() == 0) { |
1171 |
|
crc.reset(); |
1172 |
|
} |
1173 |
|
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1174 |
|
unsigned long res; |
1175 |
|
if (BitDepth == 24) { |
1176 |
|
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
1177 |
|
} else { // 16 bit |
1178 |
|
res = Channels == 2 ? pCkData->Write(pBuffer, SampleCount << 1, 2) >> 1 |
1179 |
|
: pCkData->Write(pBuffer, SampleCount, 2); |
1180 |
|
} |
1181 |
|
crc.update((unsigned char *)pBuffer, SampleCount * FrameSize); |
1182 |
|
|
1183 |
|
// if this is the last write, update the checksum chunk in the |
1184 |
|
// file |
1185 |
|
if (pCkData->GetPos() == pCkData->GetSize()) { |
1186 |
|
File* pFile = static_cast<File*>(GetParent()); |
1187 |
|
pFile->SetSampleChecksum(this, crc.getValue()); |
1188 |
|
} |
1189 |
|
return res; |
1190 |
} |
} |
1191 |
|
|
1192 |
/** |
/** |
1262 |
uint DimensionRegion::Instances = 0; |
uint DimensionRegion::Instances = 0; |
1263 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1264 |
|
|
1265 |
DimensionRegion::DimensionRegion(RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1266 |
Instances++; |
Instances++; |
1267 |
|
|
1268 |
pSample = NULL; |
pSample = NULL; |
1269 |
|
pRegion = pParent; |
1270 |
|
|
1271 |
|
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
1272 |
|
else memset(&Crossfade, 0, 4); |
1273 |
|
|
|
memcpy(&Crossfade, &SamplerOptions, 4); |
|
1274 |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
1275 |
|
|
1276 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1434 |
LFO1ControlDepth = 0; |
LFO1ControlDepth = 0; |
1435 |
LFO3ControlDepth = 0; |
LFO3ControlDepth = 0; |
1436 |
EG1Attack = 0.0; |
EG1Attack = 0.0; |
1437 |
EG1Decay1 = 0.0; |
EG1Decay1 = 0.005; |
1438 |
EG1Sustain = 0; |
EG1Sustain = 1000; |
1439 |
EG1Release = 0.0; |
EG1Release = 0.3; |
1440 |
EG1Controller.type = eg1_ctrl_t::type_none; |
EG1Controller.type = eg1_ctrl_t::type_none; |
1441 |
EG1Controller.controller_number = 0; |
EG1Controller.controller_number = 0; |
1442 |
EG1ControllerInvert = false; |
EG1ControllerInvert = false; |
1451 |
EG2ControllerReleaseInfluence = 0; |
EG2ControllerReleaseInfluence = 0; |
1452 |
LFO1Frequency = 1.0; |
LFO1Frequency = 1.0; |
1453 |
EG2Attack = 0.0; |
EG2Attack = 0.0; |
1454 |
EG2Decay1 = 0.0; |
EG2Decay1 = 0.005; |
1455 |
EG2Sustain = 0; |
EG2Sustain = 1000; |
1456 |
EG2Release = 0.0; |
EG2Release = 0.3; |
1457 |
LFO2ControlDepth = 0; |
LFO2ControlDepth = 0; |
1458 |
LFO2Frequency = 1.0; |
LFO2Frequency = 1.0; |
1459 |
LFO2InternalDepth = 0; |
LFO2InternalDepth = 0; |
1460 |
EG1Decay2 = 0.0; |
EG1Decay2 = 0.0; |
1461 |
EG1InfiniteSustain = false; |
EG1InfiniteSustain = true; |
1462 |
EG1PreAttack = 1000; |
EG1PreAttack = 0; |
1463 |
EG2Decay2 = 0.0; |
EG2Decay2 = 0.0; |
1464 |
EG2InfiniteSustain = false; |
EG2InfiniteSustain = true; |
1465 |
EG2PreAttack = 1000; |
EG2PreAttack = 0; |
1466 |
VelocityResponseCurve = curve_type_nonlinear; |
VelocityResponseCurve = curve_type_nonlinear; |
1467 |
VelocityResponseDepth = 3; |
VelocityResponseDepth = 3; |
1468 |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
1505 |
VCFVelocityDynamicRange = 0x04; |
VCFVelocityDynamicRange = 0x04; |
1506 |
VCFVelocityCurve = curve_type_linear; |
VCFVelocityCurve = curve_type_linear; |
1507 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1508 |
memset(DimensionUpperLimits, 0, 8); |
memset(DimensionUpperLimits, 127, 8); |
1509 |
} |
} |
1510 |
|
|
1511 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1543 |
VelocityTable = 0; |
VelocityTable = 0; |
1544 |
} |
} |
1545 |
|
|
1546 |
|
/* |
1547 |
|
* Constructs a DimensionRegion by copying all parameters from |
1548 |
|
* another DimensionRegion |
1549 |
|
*/ |
1550 |
|
DimensionRegion::DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src) : DLS::Sampler(_3ewl) { |
1551 |
|
Instances++; |
1552 |
|
*this = src; // default memberwise shallow copy of all parameters |
1553 |
|
pParentList = _3ewl; // restore the chunk pointer |
1554 |
|
|
1555 |
|
// deep copy of owned structures |
1556 |
|
if (src.VelocityTable) { |
1557 |
|
VelocityTable = new uint8_t[128]; |
1558 |
|
for (int k = 0 ; k < 128 ; k++) |
1559 |
|
VelocityTable[k] = src.VelocityTable[k]; |
1560 |
|
} |
1561 |
|
if (src.pSampleLoops) { |
1562 |
|
pSampleLoops = new DLS::sample_loop_t[src.SampleLoops]; |
1563 |
|
for (int k = 0 ; k < src.SampleLoops ; k++) |
1564 |
|
pSampleLoops[k] = src.pSampleLoops[k]; |
1565 |
|
} |
1566 |
|
} |
1567 |
|
|
1568 |
/** |
/** |
1569 |
* Apply dimension region settings to the respective RIFF chunks. You |
* Apply dimension region settings to the respective RIFF chunks. You |
1570 |
* have to call File::Save() to make changes persistent. |
* have to call File::Save() to make changes persistent. |
1573 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
1574 |
*/ |
*/ |
1575 |
void DimensionRegion::UpdateChunks() { |
void DimensionRegion::UpdateChunks() { |
1576 |
|
// check if wsmp is going to be created by |
1577 |
|
// DLS::Sampler::UpdateChunks |
1578 |
|
bool wsmp_created = !pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1579 |
|
|
1580 |
// first update base class's chunk |
// first update base class's chunk |
1581 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(); |
1582 |
|
|
1583 |
|
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1584 |
|
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
1585 |
|
pData[12] = Crossfade.in_start; |
1586 |
|
pData[13] = Crossfade.in_end; |
1587 |
|
pData[14] = Crossfade.out_start; |
1588 |
|
pData[15] = Crossfade.out_end; |
1589 |
|
|
1590 |
// make sure '3ewa' chunk exists |
// make sure '3ewa' chunk exists |
1591 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1592 |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
1593 |
uint8_t* pData = (uint8_t*) _3ewa->LoadChunkData(); |
else if (wsmp_created) { |
1594 |
|
// make sure the chunk order is: wsmp, 3ewa |
1595 |
|
pParentList->MoveSubChunk(_3ewa, 0); |
1596 |
|
} |
1597 |
|
pData = (uint8_t*) _3ewa->LoadChunkData(); |
1598 |
|
|
1599 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1600 |
|
|
1640 |
pData[44] = eg1ctl; |
pData[44] = eg1ctl; |
1641 |
|
|
1642 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1643 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert ? 0x01 : 0x00) | |
1644 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1645 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1646 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1650 |
pData[46] = eg2ctl; |
pData[46] = eg2ctl; |
1651 |
|
|
1652 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1653 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert ? 0x01 : 0x00) | |
1654 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1655 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1656 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1828 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1829 |
pData[131] = eg1hold; |
pData[131] = eg1hold; |
1830 |
|
|
1831 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled ? 0x80 : 0x00) | /* bit 7 */ |
1832 |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1833 |
pData[132] = vcfcutoff; |
pData[132] = vcfcutoff; |
1834 |
|
|
1835 |
pData[133] = VCFCutoffController; |
pData[133] = VCFCutoffController; |
1836 |
|
|
1837 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert ? 0x80 : 0x00) | /* bit 7 */ |
1838 |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1839 |
pData[134] = vcfvelscale; |
pData[134] = vcfvelscale; |
1840 |
|
|
1841 |
// next byte unknown |
// next byte unknown |
1842 |
|
|
1843 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic ? 0x00 : 0x80) | /* bit 7 */ |
1844 |
(VCFResonance & 0x7f); /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
1845 |
pData[136] = vcfresonance; |
pData[136] = vcfresonance; |
1846 |
|
|
1847 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking ? 0x80 : 0x00) | /* bit 7 */ |
1848 |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1849 |
pData[137] = vcfbreakpoint; |
pData[137] = vcfbreakpoint; |
1850 |
|
|
1875 |
return table; |
return table; |
1876 |
} |
} |
1877 |
|
|
1878 |
|
Region* DimensionRegion::GetParent() const { |
1879 |
|
return pRegion; |
1880 |
|
} |
1881 |
|
|
1882 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
1883 |
leverage_ctrl_t decodedcontroller; |
leverage_ctrl_t decodedcontroller; |
1884 |
switch (EncodedController) { |
switch (EncodedController) { |
2223 |
for (int i = 0; i < dimensionBits; i++) { |
for (int i = 0; i < dimensionBits; i++) { |
2224 |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
2225 |
uint8_t bits = _3lnk->ReadUint8(); |
uint8_t bits = _3lnk->ReadUint8(); |
2226 |
_3lnk->ReadUint8(); // probably the position of the dimension |
_3lnk->ReadUint8(); // bit position of the dimension (bits[0] + bits[1] + ... + bits[i-1]) |
2227 |
_3lnk->ReadUint8(); // unknown |
_3lnk->ReadUint8(); // (1 << bit position of next dimension) - (1 << bit position of this dimension) |
2228 |
uint8_t zones = _3lnk->ReadUint8(); // new for v3: number of zones doesn't have to be == pow(2,bits) |
uint8_t zones = _3lnk->ReadUint8(); // new for v3: number of zones doesn't have to be == pow(2,bits) |
2229 |
if (dimension == dimension_none) { // inactive dimension |
if (dimension == dimension_none) { // inactive dimension |
2230 |
pDimensionDefinitions[i].dimension = dimension_none; |
pDimensionDefinitions[i].dimension = dimension_none; |
2278 |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
2279 |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
2280 |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
2281 |
pDimensionRegions[0] = new DimensionRegion(_3ewl); |
pDimensionRegions[0] = new DimensionRegion(this, _3ewl); |
2282 |
DimensionRegions = 1; |
DimensionRegions = 1; |
2283 |
} |
} |
2284 |
} |
} |
2302 |
// first update base class's chunks |
// first update base class's chunks |
2303 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2304 |
|
|
2305 |
|
File* pFile = (File*) GetParent()->GetParent(); |
2306 |
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
2307 |
|
|
2308 |
// update dimension region's chunks |
// update dimension region's chunks |
2309 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
2310 |
pDimensionRegions[i]->UpdateChunks(); |
DimensionRegion* d = pDimensionRegions[i]; |
2311 |
|
|
2312 |
|
// make sure '3ewa' chunk exists (we need to this before |
2313 |
|
// calling DimensionRegion::UpdateChunks, as |
2314 |
|
// DimensionRegion doesn't know which file version it is) |
2315 |
|
RIFF::Chunk* _3ewa = d->pParentList->GetSubChunk(CHUNK_ID_3EWA); |
2316 |
|
if (!_3ewa) d->pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
2317 |
|
|
2318 |
|
d->UpdateChunks(); |
2319 |
} |
} |
2320 |
|
|
2321 |
File* pFile = (File*) GetParent()->GetParent(); |
const int iMaxDimensions = version3 ? 8 : 5; |
2322 |
const int iMaxDimensions = (pFile->pVersion && pFile->pVersion->major == 3) ? 8 : 5; |
const int iMaxDimensionRegions = version3 ? 256 : 32; |
|
const int iMaxDimensionRegions = (pFile->pVersion && pFile->pVersion->major == 3) ? 256 : 32; |
|
2323 |
|
|
2324 |
// make sure '3lnk' chunk exists |
// make sure '3lnk' chunk exists |
2325 |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
2326 |
if (!_3lnk) { |
if (!_3lnk) { |
2327 |
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
const int _3lnkChunkSize = version3 ? 1092 : 172; |
2328 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
2329 |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
2330 |
|
|
2331 |
|
// move 3prg to last position |
2332 |
|
pCkRegion->MoveSubChunk(pCkRegion->GetSubList(LIST_TYPE_3PRG), 0); |
2333 |
} |
} |
2334 |
|
|
2335 |
// update dimension definitions in '3lnk' chunk |
// update dimension definitions in '3lnk' chunk |
2336 |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2337 |
store32(&pData[0], DimensionRegions); |
store32(&pData[0], DimensionRegions); |
2338 |
|
int shift = 0; |
2339 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2340 |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2341 |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2342 |
// next 2 bytes unknown |
pData[6 + i * 8] = pDimensionDefinitions[i].dimension == dimension_none ? 0 : shift; |
2343 |
|
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2344 |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2345 |
// next 3 bytes unknown |
// next 3 bytes unknown, always zero? |
2346 |
|
|
2347 |
|
shift += pDimensionDefinitions[i].bits; |
2348 |
} |
} |
2349 |
|
|
2350 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
2351 |
const int iWavePoolOffset = (pFile->pVersion && pFile->pVersion->major == 3) ? 68 : 44; |
const int iWavePoolOffset = version3 ? 68 : 44; |
2352 |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
2353 |
int iWaveIndex = -1; |
int iWaveIndex = -1; |
2354 |
if (i < DimensionRegions) { |
if (i < DimensionRegions) { |
2361 |
break; |
break; |
2362 |
} |
} |
2363 |
} |
} |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
|
2364 |
} |
} |
2365 |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2366 |
} |
} |
2373 |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
2374 |
while (_3ewl) { |
while (_3ewl) { |
2375 |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
2376 |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(_3ewl); |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(this, _3ewl); |
2377 |
dimensionRegionNr++; |
dimensionRegionNr++; |
2378 |
} |
} |
2379 |
_3ewl = _3prg->GetNextSubList(); |
_3ewl = _3prg->GetNextSubList(); |
2487 |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
2488 |
throw gig::Exception("Could not add new dimension, there is already a dimension of the same type"); |
throw gig::Exception("Could not add new dimension, there is already a dimension of the same type"); |
2489 |
|
|
2490 |
|
// pos is where the new dimension should be placed, normally |
2491 |
|
// last in list, except for the samplechannel dimension which |
2492 |
|
// has to be first in list |
2493 |
|
int pos = pDimDef->dimension == dimension_samplechannel ? 0 : Dimensions; |
2494 |
|
int bitpos = 0; |
2495 |
|
for (int i = 0 ; i < pos ; i++) |
2496 |
|
bitpos += pDimensionDefinitions[i].bits; |
2497 |
|
|
2498 |
|
// make room for the new dimension |
2499 |
|
for (int i = Dimensions ; i > pos ; i--) pDimensionDefinitions[i] = pDimensionDefinitions[i - 1]; |
2500 |
|
for (int i = 0 ; i < (1 << iCurrentBits) ; i++) { |
2501 |
|
for (int j = Dimensions ; j > pos ; j--) { |
2502 |
|
pDimensionRegions[i]->DimensionUpperLimits[j] = |
2503 |
|
pDimensionRegions[i]->DimensionUpperLimits[j - 1]; |
2504 |
|
} |
2505 |
|
} |
2506 |
|
|
2507 |
// assign definition of new dimension |
// assign definition of new dimension |
2508 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[pos] = *pDimDef; |
2509 |
|
|
2510 |
// auto correct certain dimension definition fields (where possible) |
// auto correct certain dimension definition fields (where possible) |
2511 |
pDimensionDefinitions[Dimensions].split_type = |
pDimensionDefinitions[pos].split_type = |
2512 |
__resolveSplitType(pDimensionDefinitions[Dimensions].dimension); |
__resolveSplitType(pDimensionDefinitions[pos].dimension); |
2513 |
pDimensionDefinitions[Dimensions].zone_size = |
pDimensionDefinitions[pos].zone_size = |
2514 |
__resolveZoneSize(pDimensionDefinitions[Dimensions]); |
__resolveZoneSize(pDimensionDefinitions[pos]); |
2515 |
|
|
2516 |
// create new dimension region(s) for this new dimension |
// create new dimension region(s) for this new dimension, and make |
2517 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
// sure that the dimension regions are placed correctly in both the |
2518 |
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
// RIFF list and the pDimensionRegions array |
2519 |
RIFF::List* pNewDimRgnListChunk = pCkRegion->AddSubList(LIST_TYPE_3EWL); |
RIFF::Chunk* moveTo = NULL; |
2520 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2521 |
DimensionRegions++; |
for (int i = (1 << iCurrentBits) - (1 << bitpos) ; i >= 0 ; i -= (1 << bitpos)) { |
2522 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2523 |
|
pDimensionRegions[(i << pDimDef->bits) + k] = pDimensionRegions[i + k]; |
2524 |
|
} |
2525 |
|
for (int j = 1 ; j < (1 << pDimDef->bits) ; j++) { |
2526 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2527 |
|
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2528 |
|
if (moveTo) _3prg->MoveSubChunk(pNewDimRgnListChunk, moveTo); |
2529 |
|
// create a new dimension region and copy all parameter values from |
2530 |
|
// an existing dimension region |
2531 |
|
pDimensionRegions[(i << pDimDef->bits) + (j << bitpos) + k] = |
2532 |
|
new DimensionRegion(pNewDimRgnListChunk, *pDimensionRegions[i + k]); |
2533 |
|
|
2534 |
|
DimensionRegions++; |
2535 |
|
} |
2536 |
|
} |
2537 |
|
moveTo = pDimensionRegions[i]->pParentList; |
2538 |
|
} |
2539 |
|
|
2540 |
|
// initialize the upper limits for this dimension |
2541 |
|
int mask = (1 << bitpos) - 1; |
2542 |
|
for (int z = 0 ; z < pDimDef->zones ; z++) { |
2543 |
|
uint8_t upperLimit = uint8_t((z + 1) * 128.0 / pDimDef->zones - 1); |
2544 |
|
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
2545 |
|
pDimensionRegions[((i & ~mask) << pDimDef->bits) | |
2546 |
|
(z << bitpos) | |
2547 |
|
(i & mask)]->DimensionUpperLimits[pos] = upperLimit; |
2548 |
|
} |
2549 |
} |
} |
2550 |
|
|
2551 |
Dimensions++; |
Dimensions++; |
2588 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
2589 |
iUpperBits += pDimensionDefinitions[i].bits; |
iUpperBits += pDimensionDefinitions[i].bits; |
2590 |
|
|
2591 |
|
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2592 |
|
|
2593 |
// delete dimension regions which belong to the given dimension |
// delete dimension regions which belong to the given dimension |
2594 |
// (that is where the dimension's bit > 0) |
// (that is where the dimension's bit > 0) |
2595 |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
2598 |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
2599 |
iObsoleteBit << iLowerBits | |
iObsoleteBit << iLowerBits | |
2600 |
iLowerBit; |
iLowerBit; |
2601 |
|
|
2602 |
|
_3prg->DeleteSubChunk(pDimensionRegions[iToDelete]->pParentList); |
2603 |
delete pDimensionRegions[iToDelete]; |
delete pDimensionRegions[iToDelete]; |
2604 |
pDimensionRegions[iToDelete] = NULL; |
pDimensionRegions[iToDelete] = NULL; |
2605 |
DimensionRegions--; |
DimensionRegions--; |
2620 |
} |
} |
2621 |
} |
} |
2622 |
|
|
2623 |
|
// remove the this dimension from the upper limits arrays |
2624 |
|
for (int j = 0 ; j < 256 && pDimensionRegions[j] ; j++) { |
2625 |
|
DimensionRegion* d = pDimensionRegions[j]; |
2626 |
|
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2627 |
|
d->DimensionUpperLimits[i - 1] = d->DimensionUpperLimits[i]; |
2628 |
|
} |
2629 |
|
d->DimensionUpperLimits[Dimensions - 1] = 127; |
2630 |
|
} |
2631 |
|
|
2632 |
// 'remove' dimension definition |
// 'remove' dimension definition |
2633 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2634 |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
2860 |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
2861 |
// make sure '3ewg' RIFF chunk exists |
// make sure '3ewg' RIFF chunk exists |
2862 |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
2863 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) { |
2864 |
|
File* pFile = (File*) GetParent(); |
2865 |
|
|
2866 |
|
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
2867 |
|
int size = (pFile->pVersion && pFile->pVersion->major == 3) ? 16416 : 12; |
2868 |
|
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
2869 |
|
memset(_3ewg->LoadChunkData(), 0, size); |
2870 |
|
} |
2871 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
2872 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
2873 |
store16(&pData[0], EffectSend); |
store16(&pData[0], EffectSend); |
2874 |
store32(&pData[2], Attenuation); |
store32(&pData[2], Attenuation); |
2875 |
store16(&pData[6], FineTune); |
store16(&pData[6], FineTune); |
2876 |
store16(&pData[8], PitchbendRange); |
store16(&pData[8], PitchbendRange); |
2877 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode ? 0x01 : 0x00) | |
2878 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
2879 |
pData[10] = dimkeystart; |
pData[10] = dimkeystart; |
2880 |
pData[11] = DimensionKeyRange.high; |
pData[11] = DimensionKeyRange.high; |
2979 |
void Group::UpdateChunks() { |
void Group::UpdateChunks() { |
2980 |
// make sure <3gri> and <3gnl> list chunks exist |
// make sure <3gri> and <3gnl> list chunks exist |
2981 |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
2982 |
if (!_3gri) _3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
if (!_3gri) { |
2983 |
|
_3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
2984 |
|
pFile->pRIFF->MoveSubChunk(_3gri, pFile->pRIFF->GetSubChunk(CHUNK_ID_PTBL)); |
2985 |
|
} |
2986 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
2987 |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
2988 |
|
|
2989 |
|
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major == 3) { |
2990 |
|
// v3 has a fixed list of 128 strings, find a free one |
2991 |
|
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
2992 |
|
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
2993 |
|
pNameChunk = ck; |
2994 |
|
break; |
2995 |
|
} |
2996 |
|
} |
2997 |
|
} |
2998 |
|
|
2999 |
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
3000 |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
3001 |
} |
} |
3071 |
// *************** File *************** |
// *************** File *************** |
3072 |
// * |
// * |
3073 |
|
|
3074 |
|
// File version 2.0, 1998-06-28 |
3075 |
|
const DLS::version_t File::VERSION_2 = { |
3076 |
|
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
3077 |
|
}; |
3078 |
|
|
3079 |
|
// File version 3.0, 2003-03-31 |
3080 |
|
const DLS::version_t File::VERSION_3 = { |
3081 |
|
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
3082 |
|
}; |
3083 |
|
|
3084 |
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
3085 |
{ CHUNK_ID_IARL, 256 }, |
{ CHUNK_ID_IARL, 256 }, |
3086 |
{ CHUNK_ID_IART, 128 }, |
{ CHUNK_ID_IART, 128 }, |
3103 |
}; |
}; |
3104 |
|
|
3105 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3106 |
|
*pVersion = VERSION_3; |
3107 |
pGroups = NULL; |
pGroups = NULL; |
3108 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->FixedStringLengths = FixedStringLengths; |
3109 |
pInfo->ArchivalLocation = String(256, ' '); |
pInfo->ArchivalLocation = String(256, ' '); |
3110 |
|
|
3111 |
|
// add some mandatory chunks to get the file chunks in right |
3112 |
|
// order (INFO chunk will be moved to first position later) |
3113 |
|
pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
3114 |
|
pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
3115 |
|
pRIFF->AddSubChunk(CHUNK_ID_DLID, 16); |
3116 |
|
|
3117 |
|
GenerateDLSID(); |
3118 |
} |
} |
3119 |
|
|
3120 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
3161 |
// create new Sample object and its respective 'wave' list chunk |
// create new Sample object and its respective 'wave' list chunk |
3162 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
3163 |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
3164 |
|
|
3165 |
|
// add mandatory chunks to get the chunks in right order |
3166 |
|
wave->AddSubChunk(CHUNK_ID_FMT, 16); |
3167 |
|
wave->AddSubList(LIST_TYPE_INFO); |
3168 |
|
|
3169 |
pSamples->push_back(pSample); |
pSamples->push_back(pSample); |
3170 |
return pSample; |
return pSample; |
3171 |
} |
} |
3172 |
|
|
3173 |
/** @brief Delete a sample. |
/** @brief Delete a sample. |
3174 |
* |
* |
3175 |
* This will delete the given Sample object from the gig file. You have |
* This will delete the given Sample object from the gig file. Any |
3176 |
* to call Save() to make this persistent to the file. |
* references to this sample from Regions and DimensionRegions will be |
3177 |
|
* removed. You have to call Save() to make this persistent to the file. |
3178 |
* |
* |
3179 |
* @param pSample - sample to delete |
* @param pSample - sample to delete |
3180 |
* @throws gig::Exception if given sample could not be found |
* @throws gig::Exception if given sample could not be found |
3186 |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
3187 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3188 |
delete pSample; |
delete pSample; |
3189 |
|
|
3190 |
|
// remove all references to the sample |
3191 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3192 |
|
instrument = GetNextInstrument()) { |
3193 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3194 |
|
region = instrument->GetNextRegion()) { |
3195 |
|
|
3196 |
|
if (region->GetSample() == pSample) region->SetSample(NULL); |
3197 |
|
|
3198 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3199 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3200 |
|
if (d->pSample == pSample) d->pSample = NULL; |
3201 |
|
} |
3202 |
|
} |
3203 |
|
} |
3204 |
} |
} |
3205 |
|
|
3206 |
void File::LoadSamples() { |
void File::LoadSamples() { |
3324 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
3325 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
3326 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
3327 |
|
|
3328 |
|
// add mandatory chunks to get the chunks in right order |
3329 |
|
lstInstr->AddSubList(LIST_TYPE_INFO); |
3330 |
|
lstInstr->AddSubChunk(CHUNK_ID_DLID, 16); |
3331 |
|
|
3332 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
3333 |
|
pInstrument->GenerateDLSID(); |
3334 |
|
|
3335 |
|
lstInstr->AddSubChunk(CHUNK_ID_INSH, 12); |
3336 |
|
|
3337 |
// this string is needed for the gig to be loadable in GSt: |
// this string is needed for the gig to be loadable in GSt: |
3338 |
pInstrument->pInfo->Software = "Endless Wave"; |
pInstrument->pInfo->Software = "Endless Wave"; |
3387 |
} |
} |
3388 |
} |
} |
3389 |
|
|
3390 |
|
/// Updates the 3crc chunk with the checksum of a sample. The |
3391 |
|
/// update is done directly to disk, as this method is called |
3392 |
|
/// after File::Save() |
3393 |
|
void File::SetSampleChecksum(Sample* pSample, uint32_t crc) { |
3394 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3395 |
|
if (!_3crc) return; |
3396 |
|
|
3397 |
|
// get the index of the sample |
3398 |
|
int iWaveIndex = -1; |
3399 |
|
File::SampleList::iterator iter = pSamples->begin(); |
3400 |
|
File::SampleList::iterator end = pSamples->end(); |
3401 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
3402 |
|
if (*iter == pSample) { |
3403 |
|
iWaveIndex = index; |
3404 |
|
break; |
3405 |
|
} |
3406 |
|
} |
3407 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update crc, could not find sample"); |
3408 |
|
|
3409 |
|
// write the CRC-32 checksum to disk |
3410 |
|
_3crc->SetPos(iWaveIndex * 8); |
3411 |
|
uint32_t tmp = 1; |
3412 |
|
_3crc->WriteUint32(&tmp); // unknown, always 1? |
3413 |
|
_3crc->WriteUint32(&crc); |
3414 |
|
} |
3415 |
|
|
3416 |
Group* File::GetFirstGroup() { |
Group* File::GetFirstGroup() { |
3417 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
3418 |
// there must always be at least one group |
// there must always be at least one group |
3505 |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3506 |
while (ck) { |
while (ck) { |
3507 |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3508 |
|
if (pVersion && pVersion->major == 3 && |
3509 |
|
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
3510 |
|
|
3511 |
pGroups->push_back(new Group(this, ck)); |
pGroups->push_back(new Group(this, ck)); |
3512 |
} |
} |
3513 |
ck = lst3gnl->GetNextSubChunk(); |
ck = lst3gnl->GetNextSubChunk(); |
3533 |
* @throws Exception - on errors |
* @throws Exception - on errors |
3534 |
*/ |
*/ |
3535 |
void File::UpdateChunks() { |
void File::UpdateChunks() { |
3536 |
|
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
3537 |
|
|
3538 |
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
3539 |
|
|
3540 |
// first update base class's chunks |
// first update base class's chunks |
3541 |
DLS::File::UpdateChunks(); |
DLS::File::UpdateChunks(); |
3542 |
|
|
3543 |
|
if (newFile) { |
3544 |
|
// INFO was added by Resource::UpdateChunks - make sure it |
3545 |
|
// is placed first in file |
3546 |
|
RIFF::Chunk* info = pRIFF->GetSubList(LIST_TYPE_INFO); |
3547 |
|
RIFF::Chunk* first = pRIFF->GetFirstSubChunk(); |
3548 |
|
if (first != info) { |
3549 |
|
pRIFF->MoveSubChunk(info, first); |
3550 |
|
} |
3551 |
|
} |
3552 |
|
|
3553 |
// update group's chunks |
// update group's chunks |
3554 |
if (pGroups) { |
if (pGroups) { |
3555 |
std::list<Group*>::iterator iter = pGroups->begin(); |
std::list<Group*>::iterator iter = pGroups->begin(); |
3557 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
3558 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(); |
3559 |
} |
} |
3560 |
|
|
3561 |
|
// v3: make sure the file has 128 3gnm chunks |
3562 |
|
if (pVersion && pVersion->major == 3) { |
3563 |
|
RIFF::List* _3gnl = pRIFF->GetSubList(LIST_TYPE_3GRI)->GetSubList(LIST_TYPE_3GNL); |
3564 |
|
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
3565 |
|
for (int i = 0 ; i < 128 ; i++) { |
3566 |
|
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
3567 |
|
if (_3gnm) _3gnm = _3gnl->GetNextSubChunk(); |
3568 |
|
} |
3569 |
|
} |
3570 |
|
} |
3571 |
|
|
3572 |
|
// update einf chunk |
3573 |
|
|
3574 |
|
// The einf chunk contains statistics about the gig file, such |
3575 |
|
// as the number of regions and samples used by each |
3576 |
|
// instrument. It is divided in equally sized parts, where the |
3577 |
|
// first part contains information about the whole gig file, |
3578 |
|
// and the rest of the parts map to each instrument in the |
3579 |
|
// file. |
3580 |
|
// |
3581 |
|
// At the end of each part there is a bit map of each sample |
3582 |
|
// in the file, where a set bit means that the sample is used |
3583 |
|
// by the file/instrument. |
3584 |
|
// |
3585 |
|
// Note that there are several fields with unknown use. These |
3586 |
|
// are set to zero. |
3587 |
|
|
3588 |
|
int sublen = pSamples->size() / 8 + 49; |
3589 |
|
int einfSize = (Instruments + 1) * sublen; |
3590 |
|
|
3591 |
|
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
3592 |
|
if (einf) { |
3593 |
|
if (einf->GetSize() != einfSize) { |
3594 |
|
einf->Resize(einfSize); |
3595 |
|
memset(einf->LoadChunkData(), 0, einfSize); |
3596 |
|
} |
3597 |
|
} else if (newFile) { |
3598 |
|
einf = pRIFF->AddSubChunk(CHUNK_ID_EINF, einfSize); |
3599 |
|
} |
3600 |
|
if (einf) { |
3601 |
|
uint8_t* pData = (uint8_t*) einf->LoadChunkData(); |
3602 |
|
|
3603 |
|
std::map<gig::Sample*,int> sampleMap; |
3604 |
|
int sampleIdx = 0; |
3605 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
3606 |
|
sampleMap[pSample] = sampleIdx++; |
3607 |
|
} |
3608 |
|
|
3609 |
|
int totnbusedsamples = 0; |
3610 |
|
int totnbusedchannels = 0; |
3611 |
|
int totnbregions = 0; |
3612 |
|
int totnbdimregions = 0; |
3613 |
|
int totnbloops = 0; |
3614 |
|
int instrumentIdx = 0; |
3615 |
|
|
3616 |
|
memset(&pData[48], 0, sublen - 48); |
3617 |
|
|
3618 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3619 |
|
instrument = GetNextInstrument()) { |
3620 |
|
int nbusedsamples = 0; |
3621 |
|
int nbusedchannels = 0; |
3622 |
|
int nbdimregions = 0; |
3623 |
|
int nbloops = 0; |
3624 |
|
|
3625 |
|
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
3626 |
|
|
3627 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3628 |
|
region = instrument->GetNextRegion()) { |
3629 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3630 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3631 |
|
if (d->pSample) { |
3632 |
|
int sampleIdx = sampleMap[d->pSample]; |
3633 |
|
int byte = 48 + sampleIdx / 8; |
3634 |
|
int bit = 1 << (sampleIdx & 7); |
3635 |
|
if ((pData[(instrumentIdx + 1) * sublen + byte] & bit) == 0) { |
3636 |
|
pData[(instrumentIdx + 1) * sublen + byte] |= bit; |
3637 |
|
nbusedsamples++; |
3638 |
|
nbusedchannels += d->pSample->Channels; |
3639 |
|
|
3640 |
|
if ((pData[byte] & bit) == 0) { |
3641 |
|
pData[byte] |= bit; |
3642 |
|
totnbusedsamples++; |
3643 |
|
totnbusedchannels += d->pSample->Channels; |
3644 |
|
} |
3645 |
|
} |
3646 |
|
} |
3647 |
|
if (d->SampleLoops) nbloops++; |
3648 |
|
} |
3649 |
|
nbdimregions += region->DimensionRegions; |
3650 |
|
} |
3651 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3652 |
|
// store32(&pData[(instrumentIdx + 1) * sublen], sublen); |
3653 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 4], nbusedchannels); |
3654 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 8], nbusedsamples); |
3655 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
3656 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
3657 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
3658 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
3659 |
|
// next 8 bytes unknown |
3660 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
3661 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
3662 |
|
// next 4 bytes unknown |
3663 |
|
|
3664 |
|
totnbregions += instrument->Regions; |
3665 |
|
totnbdimregions += nbdimregions; |
3666 |
|
totnbloops += nbloops; |
3667 |
|
instrumentIdx++; |
3668 |
|
} |
3669 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3670 |
|
// store32(&pData[0], sublen); |
3671 |
|
store32(&pData[4], totnbusedchannels); |
3672 |
|
store32(&pData[8], totnbusedsamples); |
3673 |
|
store32(&pData[12], Instruments); |
3674 |
|
store32(&pData[16], totnbregions); |
3675 |
|
store32(&pData[20], totnbdimregions); |
3676 |
|
store32(&pData[24], totnbloops); |
3677 |
|
// next 8 bytes unknown |
3678 |
|
// next 4 bytes unknown, not always 0 |
3679 |
|
store32(&pData[40], pSamples->size()); |
3680 |
|
// next 4 bytes unknown |
3681 |
|
} |
3682 |
|
|
3683 |
|
// update 3crc chunk |
3684 |
|
|
3685 |
|
// The 3crc chunk contains CRC-32 checksums for the |
3686 |
|
// samples. The actual checksum values will be filled in |
3687 |
|
// later, by Sample::Write. |
3688 |
|
|
3689 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3690 |
|
if (_3crc) { |
3691 |
|
_3crc->Resize(pSamples->size() * 8); |
3692 |
|
} else if (newFile) { |
3693 |
|
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
3694 |
|
_3crc->LoadChunkData(); |
3695 |
|
|
3696 |
|
// the order of einf and 3crc is not the same in v2 and v3 |
3697 |
|
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
3698 |
} |
} |
3699 |
} |
} |
3700 |
|
|