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; |
368 |
SMPTEOffset = 0; |
SMPTEOffset = 0; |
369 |
Loops = 0; |
Loops = 0; |
370 |
LoopID = 0; |
LoopID = 0; |
371 |
|
LoopType = loop_type_normal; |
372 |
LoopStart = 0; |
LoopStart = 0; |
373 |
LoopEnd = 0; |
LoopEnd = 0; |
374 |
LoopFraction = 0; |
LoopFraction = 0; |
424 |
|
|
425 |
// make sure 'smpl' chunk exists |
// make sure 'smpl' chunk exists |
426 |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
427 |
if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
if (!pCkSmpl) { |
428 |
|
pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
429 |
|
memset(pCkSmpl->LoadChunkData(), 0, 60); |
430 |
|
} |
431 |
// update 'smpl' chunk |
// update 'smpl' chunk |
432 |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
433 |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
1160 |
*/ |
*/ |
1161 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
1162 |
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)"); |
1163 |
return DLS::Sample::Write(pBuffer, SampleCount); |
|
1164 |
|
// if this is the first write in this sample, reset the |
1165 |
|
// checksum calculator |
1166 |
|
if (pCkData->GetPos() == 0) { |
1167 |
|
crc.reset(); |
1168 |
|
} |
1169 |
|
unsigned long res = DLS::Sample::Write(pBuffer, SampleCount); |
1170 |
|
crc.update((unsigned char *)pBuffer, SampleCount * FrameSize); |
1171 |
|
|
1172 |
|
// if this is the last write, update the checksum chunk in the |
1173 |
|
// file |
1174 |
|
if (pCkData->GetPos() == pCkData->GetSize()) { |
1175 |
|
File* pFile = static_cast<File*>(GetParent()); |
1176 |
|
pFile->SetSampleChecksum(this, crc.getValue()); |
1177 |
|
} |
1178 |
|
return res; |
1179 |
} |
} |
1180 |
|
|
1181 |
/** |
/** |
1256 |
|
|
1257 |
pSample = NULL; |
pSample = NULL; |
1258 |
|
|
1259 |
memcpy(&Crossfade, &SamplerOptions, 4); |
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
1260 |
|
else memset(&Crossfade, 0, 4); |
1261 |
|
|
1262 |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
1263 |
|
|
1264 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1422 |
LFO1ControlDepth = 0; |
LFO1ControlDepth = 0; |
1423 |
LFO3ControlDepth = 0; |
LFO3ControlDepth = 0; |
1424 |
EG1Attack = 0.0; |
EG1Attack = 0.0; |
1425 |
EG1Decay1 = 0.0; |
EG1Decay1 = 0.005; |
1426 |
EG1Sustain = 0; |
EG1Sustain = 1000; |
1427 |
EG1Release = 0.0; |
EG1Release = 0.3; |
1428 |
EG1Controller.type = eg1_ctrl_t::type_none; |
EG1Controller.type = eg1_ctrl_t::type_none; |
1429 |
EG1Controller.controller_number = 0; |
EG1Controller.controller_number = 0; |
1430 |
EG1ControllerInvert = false; |
EG1ControllerInvert = false; |
1439 |
EG2ControllerReleaseInfluence = 0; |
EG2ControllerReleaseInfluence = 0; |
1440 |
LFO1Frequency = 1.0; |
LFO1Frequency = 1.0; |
1441 |
EG2Attack = 0.0; |
EG2Attack = 0.0; |
1442 |
EG2Decay1 = 0.0; |
EG2Decay1 = 0.005; |
1443 |
EG2Sustain = 0; |
EG2Sustain = 1000; |
1444 |
EG2Release = 0.0; |
EG2Release = 0.3; |
1445 |
LFO2ControlDepth = 0; |
LFO2ControlDepth = 0; |
1446 |
LFO2Frequency = 1.0; |
LFO2Frequency = 1.0; |
1447 |
LFO2InternalDepth = 0; |
LFO2InternalDepth = 0; |
1448 |
EG1Decay2 = 0.0; |
EG1Decay2 = 0.0; |
1449 |
EG1InfiniteSustain = false; |
EG1InfiniteSustain = true; |
1450 |
EG1PreAttack = 1000; |
EG1PreAttack = 0; |
1451 |
EG2Decay2 = 0.0; |
EG2Decay2 = 0.0; |
1452 |
EG2InfiniteSustain = false; |
EG2InfiniteSustain = true; |
1453 |
EG2PreAttack = 1000; |
EG2PreAttack = 0; |
1454 |
VelocityResponseCurve = curve_type_nonlinear; |
VelocityResponseCurve = curve_type_nonlinear; |
1455 |
VelocityResponseDepth = 3; |
VelocityResponseDepth = 3; |
1456 |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
1493 |
VCFVelocityDynamicRange = 0x04; |
VCFVelocityDynamicRange = 0x04; |
1494 |
VCFVelocityCurve = curve_type_linear; |
VCFVelocityCurve = curve_type_linear; |
1495 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1496 |
memset(DimensionUpperLimits, 0, 8); |
memset(DimensionUpperLimits, 127, 8); |
1497 |
} |
} |
1498 |
|
|
1499 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1542 |
// first update base class's chunk |
// first update base class's chunk |
1543 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(); |
1544 |
|
|
1545 |
|
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1546 |
|
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
1547 |
|
pData[12] = Crossfade.in_start; |
1548 |
|
pData[13] = Crossfade.in_end; |
1549 |
|
pData[14] = Crossfade.out_start; |
1550 |
|
pData[15] = Crossfade.out_end; |
1551 |
|
|
1552 |
// make sure '3ewa' chunk exists |
// make sure '3ewa' chunk exists |
1553 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1554 |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
1555 |
uint8_t* pData = (uint8_t*) _3ewa->LoadChunkData(); |
pData = (uint8_t*) _3ewa->LoadChunkData(); |
1556 |
|
|
1557 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1558 |
|
|
1559 |
const uint32_t chunksize = _3ewa->GetSize(); |
const uint32_t chunksize = _3ewa->GetNewSize(); |
1560 |
store32(&pData[0], chunksize); // unknown, always chunk size? |
store32(&pData[0], chunksize); // unknown, always chunk size? |
1561 |
|
|
1562 |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
2040 |
default: |
default: |
2041 |
throw gig::Exception("leverage controller number is not supported by the gig format"); |
throw gig::Exception("leverage controller number is not supported by the gig format"); |
2042 |
} |
} |
2043 |
|
break; |
2044 |
default: |
default: |
2045 |
throw gig::Exception("Unknown leverage controller type."); |
throw gig::Exception("Unknown leverage controller type."); |
2046 |
} |
} |
2177 |
for (int i = 0; i < dimensionBits; i++) { |
for (int i = 0; i < dimensionBits; i++) { |
2178 |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
2179 |
uint8_t bits = _3lnk->ReadUint8(); |
uint8_t bits = _3lnk->ReadUint8(); |
2180 |
_3lnk->ReadUint8(); // probably the position of the dimension |
_3lnk->ReadUint8(); // bit position of the dimension (bits[0] + bits[1] + ... + bits[i-1]) |
2181 |
_3lnk->ReadUint8(); // unknown |
_3lnk->ReadUint8(); // (1 << bit position of next dimension) - (1 << bit position of this dimension) |
2182 |
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) |
2183 |
if (dimension == dimension_none) { // inactive dimension |
if (dimension == dimension_none) { // inactive dimension |
2184 |
pDimensionDefinitions[i].dimension = dimension_none; |
pDimensionDefinitions[i].dimension = dimension_none; |
2220 |
GetSample(); // load global region sample reference |
GetSample(); // load global region sample reference |
2221 |
} else { |
} else { |
2222 |
DimensionRegions = 0; |
DimensionRegions = 0; |
2223 |
|
for (int i = 0 ; i < 8 ; i++) { |
2224 |
|
pDimensionDefinitions[i].dimension = dimension_none; |
2225 |
|
pDimensionDefinitions[i].bits = 0; |
2226 |
|
pDimensionDefinitions[i].zones = 0; |
2227 |
|
} |
2228 |
} |
} |
2229 |
|
|
2230 |
// make sure there is at least one dimension region |
// make sure there is at least one dimension region |
2256 |
// first update base class's chunks |
// first update base class's chunks |
2257 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2258 |
|
|
2259 |
|
File* pFile = (File*) GetParent()->GetParent(); |
2260 |
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
2261 |
|
|
2262 |
// update dimension region's chunks |
// update dimension region's chunks |
2263 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
2264 |
pDimensionRegions[i]->UpdateChunks(); |
DimensionRegion* d = pDimensionRegions[i]; |
2265 |
|
|
2266 |
|
// make sure '3ewa' chunk exists (we need to this before |
2267 |
|
// calling DimensionRegion::UpdateChunks, as |
2268 |
|
// DimensionRegion doesn't know which file version it is) |
2269 |
|
RIFF::Chunk* _3ewa = d->pParentList->GetSubChunk(CHUNK_ID_3EWA); |
2270 |
|
if (!_3ewa) d->pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
2271 |
|
|
2272 |
|
d->UpdateChunks(); |
2273 |
} |
} |
2274 |
|
|
2275 |
File* pFile = (File*) GetParent()->GetParent(); |
const int iMaxDimensions = version3 ? 8 : 5; |
2276 |
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; |
|
2277 |
|
|
2278 |
// make sure '3lnk' chunk exists |
// make sure '3lnk' chunk exists |
2279 |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
2280 |
if (!_3lnk) { |
if (!_3lnk) { |
2281 |
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
const int _3lnkChunkSize = version3 ? 1092 : 172; |
2282 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
2283 |
|
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
2284 |
|
|
2285 |
|
// move 3prg to last position |
2286 |
|
pCkRegion->MoveSubChunk(pCkRegion->GetSubList(LIST_TYPE_3PRG), 0); |
2287 |
} |
} |
2288 |
|
|
2289 |
// update dimension definitions in '3lnk' chunk |
// update dimension definitions in '3lnk' chunk |
2290 |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2291 |
store32(&pData[0], DimensionRegions); |
store32(&pData[0], DimensionRegions); |
2292 |
|
int shift = 0; |
2293 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2294 |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2295 |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2296 |
// next 2 bytes unknown |
pData[6 + i * 8] = shift; |
2297 |
|
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2298 |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2299 |
// next 3 bytes unknown |
// next 3 bytes unknown, always zero? |
2300 |
|
|
2301 |
|
shift += pDimensionDefinitions[i].bits; |
2302 |
} |
} |
2303 |
|
|
2304 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
2305 |
const int iWavePoolOffset = (pFile->pVersion && pFile->pVersion->major == 3) ? 68 : 44; |
const int iWavePoolOffset = version3 ? 68 : 44; |
2306 |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
2307 |
int iWaveIndex = -1; |
int iWaveIndex = -1; |
2308 |
if (i < DimensionRegions) { |
if (i < DimensionRegions) { |
2454 |
// create new dimension region(s) for this new dimension |
// create new dimension region(s) for this new dimension |
2455 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
2456 |
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
2457 |
RIFF::List* pNewDimRgnListChunk = pCkRegion->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2458 |
|
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2459 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
2460 |
|
|
2461 |
|
// copy the upper limits for the other dimensions |
2462 |
|
memcpy(pDimensionRegions[i]->DimensionUpperLimits, |
2463 |
|
pDimensionRegions[i & ((1 << iCurrentBits) - 1)]->DimensionUpperLimits, 8); |
2464 |
|
|
2465 |
DimensionRegions++; |
DimensionRegions++; |
2466 |
} |
} |
2467 |
|
|
2468 |
|
// initialize the upper limits for this dimension |
2469 |
|
for (int z = 0, j = 0 ; z < pDimDef->zones ; z++, j += 1 << iCurrentBits) { |
2470 |
|
uint8_t upperLimit = (z + 1) * 128.0 / pDimDef->zones - 1; |
2471 |
|
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
2472 |
|
pDimensionRegions[j + i]->DimensionUpperLimits[Dimensions] = upperLimit; |
2473 |
|
} |
2474 |
|
} |
2475 |
|
|
2476 |
Dimensions++; |
Dimensions++; |
2477 |
|
|
2478 |
// if this is a layer dimension, update 'Layers' attribute |
// if this is a layer dimension, update 'Layers' attribute |
2513 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
2514 |
iUpperBits += pDimensionDefinitions[i].bits; |
iUpperBits += pDimensionDefinitions[i].bits; |
2515 |
|
|
2516 |
|
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2517 |
|
|
2518 |
// delete dimension regions which belong to the given dimension |
// delete dimension regions which belong to the given dimension |
2519 |
// (that is where the dimension's bit > 0) |
// (that is where the dimension's bit > 0) |
2520 |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
2523 |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
2524 |
iObsoleteBit << iLowerBits | |
iObsoleteBit << iLowerBits | |
2525 |
iLowerBit; |
iLowerBit; |
2526 |
|
|
2527 |
|
_3prg->DeleteSubChunk(pDimensionRegions[iToDelete]->pParentList); |
2528 |
delete pDimensionRegions[iToDelete]; |
delete pDimensionRegions[iToDelete]; |
2529 |
pDimensionRegions[iToDelete] = NULL; |
pDimensionRegions[iToDelete] = NULL; |
2530 |
DimensionRegions--; |
DimensionRegions--; |
2545 |
} |
} |
2546 |
} |
} |
2547 |
|
|
2548 |
|
// remove the this dimension from the upper limits arrays |
2549 |
|
for (int j = 0 ; j < 256 && pDimensionRegions[j] ; j++) { |
2550 |
|
DimensionRegion* d = pDimensionRegions[j]; |
2551 |
|
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2552 |
|
d->DimensionUpperLimits[i - 1] = d->DimensionUpperLimits[i]; |
2553 |
|
} |
2554 |
|
d->DimensionUpperLimits[Dimensions - 1] = 127; |
2555 |
|
} |
2556 |
|
|
2557 |
// 'remove' dimension definition |
// 'remove' dimension definition |
2558 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2559 |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
2703 |
|
|
2704 |
// Initialization |
// Initialization |
2705 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
2706 |
|
EffectSend = 0; |
2707 |
|
Attenuation = 0; |
2708 |
|
FineTune = 0; |
2709 |
|
PitchbendRange = 0; |
2710 |
|
PianoReleaseMode = false; |
2711 |
|
DimensionKeyRange.low = 0; |
2712 |
|
DimensionKeyRange.high = 0; |
2713 |
|
|
2714 |
// Loading |
// Loading |
2715 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
2897 |
void Group::UpdateChunks() { |
void Group::UpdateChunks() { |
2898 |
// make sure <3gri> and <3gnl> list chunks exist |
// make sure <3gri> and <3gnl> list chunks exist |
2899 |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
2900 |
if (!_3gri) _3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
if (!_3gri) { |
2901 |
|
_3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
2902 |
|
pFile->pRIFF->MoveSubChunk(_3gri, pFile->pRIFF->GetSubChunk(CHUNK_ID_PTBL)); |
2903 |
|
} |
2904 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
2905 |
if (!_3gnl) _3gnl = pFile->pRIFF->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
2906 |
// 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 |
2907 |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
2908 |
} |
} |
2978 |
// *************** File *************** |
// *************** File *************** |
2979 |
// * |
// * |
2980 |
|
|
2981 |
|
// File version 2.0, 1998-06-28 |
2982 |
|
const DLS::version_t File::VERSION_2 = { |
2983 |
|
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
2984 |
|
}; |
2985 |
|
|
2986 |
|
// File version 3.0, 2003-03-31 |
2987 |
|
const DLS::version_t File::VERSION_3 = { |
2988 |
|
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
2989 |
|
}; |
2990 |
|
|
2991 |
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
2992 |
{ CHUNK_ID_IARL, 256 }, |
{ CHUNK_ID_IARL, 256 }, |
2993 |
{ CHUNK_ID_IART, 128 }, |
{ CHUNK_ID_IART, 128 }, |
3012 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3013 |
pGroups = NULL; |
pGroups = NULL; |
3014 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->FixedStringLengths = FixedStringLengths; |
3015 |
|
pInfo->ArchivalLocation = String(256, ' '); |
3016 |
|
|
3017 |
|
// add some mandatory chunks to get the file chunks in right |
3018 |
|
// order (INFO chunk will be moved to first position later) |
3019 |
|
pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
3020 |
|
pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
3021 |
|
pRIFF->AddSubChunk(CHUNK_ID_DLID, 16); |
3022 |
|
|
3023 |
|
GenerateDLSID(); |
3024 |
} |
} |
3025 |
|
|
3026 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
3067 |
// create new Sample object and its respective 'wave' list chunk |
// create new Sample object and its respective 'wave' list chunk |
3068 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
3069 |
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*/); |
3070 |
|
|
3071 |
|
// add mandatory chunks to get the chunks in right order |
3072 |
|
wave->AddSubChunk(CHUNK_ID_FMT, 16); |
3073 |
|
wave->AddSubList(LIST_TYPE_INFO); |
3074 |
|
|
3075 |
pSamples->push_back(pSample); |
pSamples->push_back(pSample); |
3076 |
return pSample; |
return pSample; |
3077 |
} |
} |
3214 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
3215 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
3216 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
3217 |
|
|
3218 |
|
// add mandatory chunks to get the chunks in right order |
3219 |
|
lstInstr->AddSubList(LIST_TYPE_INFO); |
3220 |
|
lstInstr->AddSubChunk(CHUNK_ID_DLID, 16); |
3221 |
|
|
3222 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
3223 |
|
pInstrument->GenerateDLSID(); |
3224 |
|
|
3225 |
|
lstInstr->AddSubChunk(CHUNK_ID_INSH, 12); |
3226 |
|
|
3227 |
|
// this string is needed for the gig to be loadable in GSt: |
3228 |
|
pInstrument->pInfo->Software = "Endless Wave"; |
3229 |
|
|
3230 |
pInstruments->push_back(pInstrument); |
pInstruments->push_back(pInstrument); |
3231 |
return pInstrument; |
return pInstrument; |
3232 |
} |
} |
3277 |
} |
} |
3278 |
} |
} |
3279 |
|
|
3280 |
|
/// Updates the 3crc chunk with the checksum of a sample. The |
3281 |
|
/// update is done directly to disk, as this method is called |
3282 |
|
/// after File::Save() |
3283 |
|
void File::SetSampleChecksum(Sample* pSample, uint32_t crc) { |
3284 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3285 |
|
if (!_3crc) return; |
3286 |
|
|
3287 |
|
// get the index of the sample |
3288 |
|
int iWaveIndex = -1; |
3289 |
|
File::SampleList::iterator iter = pSamples->begin(); |
3290 |
|
File::SampleList::iterator end = pSamples->end(); |
3291 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
3292 |
|
if (*iter == pSample) { |
3293 |
|
iWaveIndex = index; |
3294 |
|
break; |
3295 |
|
} |
3296 |
|
} |
3297 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update crc, could not find sample"); |
3298 |
|
|
3299 |
|
// write the CRC-32 checksum to disk |
3300 |
|
_3crc->SetPos(iWaveIndex * 8); |
3301 |
|
uint32_t tmp = 1; |
3302 |
|
_3crc->WriteUint32(&tmp); // unknown, always 1? |
3303 |
|
_3crc->WriteUint32(&crc); |
3304 |
|
} |
3305 |
|
|
3306 |
Group* File::GetFirstGroup() { |
Group* File::GetFirstGroup() { |
3307 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
3308 |
// there must always be at least one group |
// there must always be at least one group |
3420 |
* @throws Exception - on errors |
* @throws Exception - on errors |
3421 |
*/ |
*/ |
3422 |
void File::UpdateChunks() { |
void File::UpdateChunks() { |
3423 |
|
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
3424 |
|
|
3425 |
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
3426 |
|
|
3427 |
// first update base class's chunks |
// first update base class's chunks |
3428 |
DLS::File::UpdateChunks(); |
DLS::File::UpdateChunks(); |
3429 |
|
|
3430 |
|
if (newFile) { |
3431 |
|
// INFO was added by Resource::UpdateChunks - make sure it |
3432 |
|
// is placed first in file |
3433 |
|
RIFF::Chunk* info = pRIFF->GetSubList(LIST_TYPE_INFO); |
3434 |
|
RIFF::Chunk* first = pRIFF->GetFirstSubChunk(); |
3435 |
|
if (first != info) { |
3436 |
|
pRIFF->MoveSubChunk(info, first); |
3437 |
|
} |
3438 |
|
} |
3439 |
|
|
3440 |
// update group's chunks |
// update group's chunks |
3441 |
if (pGroups) { |
if (pGroups) { |
3442 |
std::list<Group*>::iterator iter = pGroups->begin(); |
std::list<Group*>::iterator iter = pGroups->begin(); |
3445 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(); |
3446 |
} |
} |
3447 |
} |
} |
3448 |
|
|
3449 |
|
// update einf chunk |
3450 |
|
|
3451 |
|
// The einf chunk contains statistics about the gig file, such |
3452 |
|
// as the number of regions and samples used by each |
3453 |
|
// instrument. It is divided in equally sized parts, where the |
3454 |
|
// first part contains information about the whole gig file, |
3455 |
|
// and the rest of the parts map to each instrument in the |
3456 |
|
// file. |
3457 |
|
// |
3458 |
|
// At the end of each part there is a bit map of each sample |
3459 |
|
// in the file, where a set bit means that the sample is used |
3460 |
|
// by the file/instrument. |
3461 |
|
// |
3462 |
|
// Note that there are several fields with unknown use. These |
3463 |
|
// are set to zero. |
3464 |
|
|
3465 |
|
int sublen = pSamples->size() / 8 + 49; |
3466 |
|
int einfSize = (Instruments + 1) * sublen; |
3467 |
|
|
3468 |
|
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
3469 |
|
if (einf) { |
3470 |
|
if (einf->GetSize() != einfSize) { |
3471 |
|
einf->Resize(einfSize); |
3472 |
|
memset(einf->LoadChunkData(), 0, einfSize); |
3473 |
|
} |
3474 |
|
} else if (newFile) { |
3475 |
|
einf = pRIFF->AddSubChunk(CHUNK_ID_EINF, einfSize); |
3476 |
|
} |
3477 |
|
if (einf) { |
3478 |
|
uint8_t* pData = (uint8_t*) einf->LoadChunkData(); |
3479 |
|
|
3480 |
|
std::map<gig::Sample*,int> sampleMap; |
3481 |
|
int sampleIdx = 0; |
3482 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
3483 |
|
sampleMap[pSample] = sampleIdx++; |
3484 |
|
} |
3485 |
|
|
3486 |
|
int totnbusedsamples = 0; |
3487 |
|
int totnbusedchannels = 0; |
3488 |
|
int totnbregions = 0; |
3489 |
|
int totnbdimregions = 0; |
3490 |
|
int instrumentIdx = 0; |
3491 |
|
|
3492 |
|
memset(&pData[48], 0, sublen - 48); |
3493 |
|
|
3494 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3495 |
|
instrument = GetNextInstrument()) { |
3496 |
|
int nbusedsamples = 0; |
3497 |
|
int nbusedchannels = 0; |
3498 |
|
int nbdimregions = 0; |
3499 |
|
|
3500 |
|
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
3501 |
|
|
3502 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3503 |
|
region = instrument->GetNextRegion()) { |
3504 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3505 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3506 |
|
if (d->pSample) { |
3507 |
|
int sampleIdx = sampleMap[d->pSample]; |
3508 |
|
int byte = 48 + sampleIdx / 8; |
3509 |
|
int bit = 1 << (sampleIdx & 7); |
3510 |
|
if ((pData[(instrumentIdx + 1) * sublen + byte] & bit) == 0) { |
3511 |
|
pData[(instrumentIdx + 1) * sublen + byte] |= bit; |
3512 |
|
nbusedsamples++; |
3513 |
|
nbusedchannels += d->pSample->Channels; |
3514 |
|
|
3515 |
|
if ((pData[byte] & bit) == 0) { |
3516 |
|
pData[byte] |= bit; |
3517 |
|
totnbusedsamples++; |
3518 |
|
totnbusedchannels += d->pSample->Channels; |
3519 |
|
} |
3520 |
|
} |
3521 |
|
} |
3522 |
|
} |
3523 |
|
nbdimregions += region->DimensionRegions; |
3524 |
|
} |
3525 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3526 |
|
// store32(&pData[(instrumentIdx + 1) * sublen], sublen); |
3527 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 4], nbusedchannels); |
3528 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 8], nbusedsamples); |
3529 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
3530 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
3531 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
3532 |
|
// next 12 bytes unknown |
3533 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
3534 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
3535 |
|
// next 4 bytes unknown |
3536 |
|
|
3537 |
|
totnbregions += instrument->Regions; |
3538 |
|
totnbdimregions += nbdimregions; |
3539 |
|
instrumentIdx++; |
3540 |
|
} |
3541 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3542 |
|
// store32(&pData[0], sublen); |
3543 |
|
store32(&pData[4], totnbusedchannels); |
3544 |
|
store32(&pData[8], totnbusedsamples); |
3545 |
|
store32(&pData[12], Instruments); |
3546 |
|
store32(&pData[16], totnbregions); |
3547 |
|
store32(&pData[20], totnbdimregions); |
3548 |
|
// next 12 bytes unknown |
3549 |
|
// next 4 bytes unknown, always 0? |
3550 |
|
store32(&pData[40], pSamples->size()); |
3551 |
|
// next 4 bytes unknown |
3552 |
|
} |
3553 |
|
|
3554 |
|
// update 3crc chunk |
3555 |
|
|
3556 |
|
// The 3crc chunk contains CRC-32 checksums for the |
3557 |
|
// samples. The actual checksum values will be filled in |
3558 |
|
// later, by Sample::Write. |
3559 |
|
|
3560 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3561 |
|
if (_3crc) { |
3562 |
|
_3crc->Resize(pSamples->size() * 8); |
3563 |
|
} else if (newFile) { |
3564 |
|
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
3565 |
|
_3crc->LoadChunkData(); |
3566 |
|
} |
3567 |
} |
} |
3568 |
|
|
3569 |
|
|