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 |
1170 |
if (pCkData->GetPos() == 0) { |
if (pCkData->GetPos() == 0) { |
1171 |
crc.reset(); |
crc.reset(); |
1172 |
} |
} |
1173 |
unsigned long res = DLS::Sample::Write(pBuffer, SampleCount); |
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); |
crc.update((unsigned char *)pBuffer, SampleCount * FrameSize); |
1182 |
|
|
1183 |
// if this is the last write, update the checksum chunk in the |
// if this is the last write, update the checksum chunk in the |
1267 |
|
|
1268 |
pSample = NULL; |
pSample = NULL; |
1269 |
|
|
1270 |
memcpy(&Crossfade, &SamplerOptions, 4); |
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
1271 |
|
else memset(&Crossfade, 0, 4); |
1272 |
|
|
1273 |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
1274 |
|
|
1275 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1504 |
VCFVelocityDynamicRange = 0x04; |
VCFVelocityDynamicRange = 0x04; |
1505 |
VCFVelocityCurve = curve_type_linear; |
VCFVelocityCurve = curve_type_linear; |
1506 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1507 |
memset(DimensionUpperLimits, 0, 8); |
memset(DimensionUpperLimits, 127, 8); |
1508 |
} |
} |
1509 |
|
|
1510 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1550 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
1551 |
*/ |
*/ |
1552 |
void DimensionRegion::UpdateChunks() { |
void DimensionRegion::UpdateChunks() { |
1553 |
|
// check if wsmp is going to be created by |
1554 |
|
// DLS::Sampler::UpdateChunks |
1555 |
|
bool wsmp_created = !pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1556 |
|
|
1557 |
// first update base class's chunk |
// first update base class's chunk |
1558 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(); |
1559 |
|
|
1560 |
|
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1561 |
|
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
1562 |
|
pData[12] = Crossfade.in_start; |
1563 |
|
pData[13] = Crossfade.in_end; |
1564 |
|
pData[14] = Crossfade.out_start; |
1565 |
|
pData[15] = Crossfade.out_end; |
1566 |
|
|
1567 |
// make sure '3ewa' chunk exists |
// make sure '3ewa' chunk exists |
1568 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1569 |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
1570 |
uint8_t* pData = (uint8_t*) _3ewa->LoadChunkData(); |
else if (wsmp_created) { |
1571 |
|
// make sure the chunk order is: wsmp, 3ewa |
1572 |
|
pParentList->MoveSubChunk(_3ewa, 0); |
1573 |
|
} |
1574 |
|
pData = (uint8_t*) _3ewa->LoadChunkData(); |
1575 |
|
|
1576 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1577 |
|
|
2275 |
// first update base class's chunks |
// first update base class's chunks |
2276 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2277 |
|
|
2278 |
|
File* pFile = (File*) GetParent()->GetParent(); |
2279 |
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
2280 |
|
|
2281 |
// update dimension region's chunks |
// update dimension region's chunks |
2282 |
for (int i = 0; i < DimensionRegions; i++) { |
for (int i = 0; i < DimensionRegions; i++) { |
2283 |
pDimensionRegions[i]->UpdateChunks(); |
DimensionRegion* d = pDimensionRegions[i]; |
2284 |
|
|
2285 |
|
// make sure '3ewa' chunk exists (we need to this before |
2286 |
|
// calling DimensionRegion::UpdateChunks, as |
2287 |
|
// DimensionRegion doesn't know which file version it is) |
2288 |
|
RIFF::Chunk* _3ewa = d->pParentList->GetSubChunk(CHUNK_ID_3EWA); |
2289 |
|
if (!_3ewa) d->pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
2290 |
|
|
2291 |
|
d->UpdateChunks(); |
2292 |
} |
} |
2293 |
|
|
2294 |
File* pFile = (File*) GetParent()->GetParent(); |
const int iMaxDimensions = version3 ? 8 : 5; |
2295 |
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; |
|
2296 |
|
|
2297 |
// make sure '3lnk' chunk exists |
// make sure '3lnk' chunk exists |
2298 |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
2299 |
if (!_3lnk) { |
if (!_3lnk) { |
2300 |
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
const int _3lnkChunkSize = version3 ? 1092 : 172; |
2301 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
2302 |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
2303 |
|
|
2321 |
} |
} |
2322 |
|
|
2323 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
2324 |
const int iWavePoolOffset = (pFile->pVersion && pFile->pVersion->major == 3) ? 68 : 44; |
const int iWavePoolOffset = version3 ? 68 : 44; |
2325 |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
2326 |
int iWaveIndex = -1; |
int iWaveIndex = -1; |
2327 |
if (i < DimensionRegions) { |
if (i < DimensionRegions) { |
2476 |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2477 |
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2478 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
2479 |
|
|
2480 |
|
// copy the upper limits for the other dimensions |
2481 |
|
memcpy(pDimensionRegions[i]->DimensionUpperLimits, |
2482 |
|
pDimensionRegions[i & ((1 << iCurrentBits) - 1)]->DimensionUpperLimits, 8); |
2483 |
|
|
2484 |
DimensionRegions++; |
DimensionRegions++; |
2485 |
} |
} |
2486 |
|
|
2487 |
|
// initialize the upper limits for this dimension |
2488 |
|
for (int z = 0, j = 0 ; z < pDimDef->zones ; z++, j += 1 << iCurrentBits) { |
2489 |
|
uint8_t upperLimit = uint8_t((z + 1) * 128.0 / pDimDef->zones - 1); |
2490 |
|
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
2491 |
|
pDimensionRegions[j + i]->DimensionUpperLimits[Dimensions] = upperLimit; |
2492 |
|
} |
2493 |
|
} |
2494 |
|
|
2495 |
Dimensions++; |
Dimensions++; |
2496 |
|
|
2497 |
// if this is a layer dimension, update 'Layers' attribute |
// if this is a layer dimension, update 'Layers' attribute |
2532 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
2533 |
iUpperBits += pDimensionDefinitions[i].bits; |
iUpperBits += pDimensionDefinitions[i].bits; |
2534 |
|
|
2535 |
|
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2536 |
|
|
2537 |
// delete dimension regions which belong to the given dimension |
// delete dimension regions which belong to the given dimension |
2538 |
// (that is where the dimension's bit > 0) |
// (that is where the dimension's bit > 0) |
2539 |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
2542 |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
2543 |
iObsoleteBit << iLowerBits | |
iObsoleteBit << iLowerBits | |
2544 |
iLowerBit; |
iLowerBit; |
2545 |
|
|
2546 |
|
_3prg->DeleteSubChunk(pDimensionRegions[iToDelete]->pParentList); |
2547 |
delete pDimensionRegions[iToDelete]; |
delete pDimensionRegions[iToDelete]; |
2548 |
pDimensionRegions[iToDelete] = NULL; |
pDimensionRegions[iToDelete] = NULL; |
2549 |
DimensionRegions--; |
DimensionRegions--; |
2564 |
} |
} |
2565 |
} |
} |
2566 |
|
|
2567 |
|
// remove the this dimension from the upper limits arrays |
2568 |
|
for (int j = 0 ; j < 256 && pDimensionRegions[j] ; j++) { |
2569 |
|
DimensionRegion* d = pDimensionRegions[j]; |
2570 |
|
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2571 |
|
d->DimensionUpperLimits[i - 1] = d->DimensionUpperLimits[i]; |
2572 |
|
} |
2573 |
|
d->DimensionUpperLimits[Dimensions - 1] = 127; |
2574 |
|
} |
2575 |
|
|
2576 |
// 'remove' dimension definition |
// 'remove' dimension definition |
2577 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2578 |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
2804 |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
2805 |
// make sure '3ewg' RIFF chunk exists |
// make sure '3ewg' RIFF chunk exists |
2806 |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
2807 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) { |
2808 |
|
File* pFile = (File*) GetParent(); |
2809 |
|
|
2810 |
|
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
2811 |
|
int size = (pFile->pVersion && pFile->pVersion->major == 3) ? 16416 : 12; |
2812 |
|
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
2813 |
|
memset(_3ewg->LoadChunkData(), 0, size); |
2814 |
|
} |
2815 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
2816 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
2817 |
store16(&pData[0], EffectSend); |
store16(&pData[0], EffectSend); |
3036 |
}; |
}; |
3037 |
|
|
3038 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3039 |
|
*pVersion = VERSION_3; |
3040 |
pGroups = NULL; |
pGroups = NULL; |
3041 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->FixedStringLengths = FixedStringLengths; |
3042 |
pInfo->ArchivalLocation = String(256, ' '); |
pInfo->ArchivalLocation = String(256, ' '); |
3449 |
void File::UpdateChunks() { |
void File::UpdateChunks() { |
3450 |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
3451 |
|
|
3452 |
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
3453 |
|
|
3454 |
// first update base class's chunks |
// first update base class's chunks |
3455 |
DLS::File::UpdateChunks(); |
DLS::File::UpdateChunks(); |
3456 |
|
|
3514 |
int totnbusedchannels = 0; |
int totnbusedchannels = 0; |
3515 |
int totnbregions = 0; |
int totnbregions = 0; |
3516 |
int totnbdimregions = 0; |
int totnbdimregions = 0; |
3517 |
|
int totnbloops = 0; |
3518 |
int instrumentIdx = 0; |
int instrumentIdx = 0; |
3519 |
|
|
3520 |
memset(&pData[48], 0, sublen - 48); |
memset(&pData[48], 0, sublen - 48); |
3524 |
int nbusedsamples = 0; |
int nbusedsamples = 0; |
3525 |
int nbusedchannels = 0; |
int nbusedchannels = 0; |
3526 |
int nbdimregions = 0; |
int nbdimregions = 0; |
3527 |
|
int nbloops = 0; |
3528 |
|
|
3529 |
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
3530 |
|
|
3548 |
} |
} |
3549 |
} |
} |
3550 |
} |
} |
3551 |
|
if (d->SampleLoops) nbloops++; |
3552 |
} |
} |
3553 |
nbdimregions += region->DimensionRegions; |
nbdimregions += region->DimensionRegions; |
3554 |
} |
} |
3559 |
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
3560 |
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
3561 |
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
3562 |
// next 12 bytes unknown |
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
3563 |
|
// next 8 bytes unknown |
3564 |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
3565 |
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
3566 |
// next 4 bytes unknown |
// next 4 bytes unknown |
3567 |
|
|
3568 |
totnbregions += instrument->Regions; |
totnbregions += instrument->Regions; |
3569 |
totnbdimregions += nbdimregions; |
totnbdimregions += nbdimregions; |
3570 |
|
totnbloops += nbloops; |
3571 |
instrumentIdx++; |
instrumentIdx++; |
3572 |
} |
} |
3573 |
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3577 |
store32(&pData[12], Instruments); |
store32(&pData[12], Instruments); |
3578 |
store32(&pData[16], totnbregions); |
store32(&pData[16], totnbregions); |
3579 |
store32(&pData[20], totnbdimregions); |
store32(&pData[20], totnbdimregions); |
3580 |
// next 12 bytes unknown |
store32(&pData[24], totnbloops); |
3581 |
// next 4 bytes unknown, always 0? |
// next 8 bytes unknown |
3582 |
|
// next 4 bytes unknown, not always 0 |
3583 |
store32(&pData[40], pSamples->size()); |
store32(&pData[40], pSamples->size()); |
3584 |
// next 4 bytes unknown |
// next 4 bytes unknown |
3585 |
} |
} |
3596 |
} else if (newFile) { |
} else if (newFile) { |
3597 |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
3598 |
_3crc->LoadChunkData(); |
_3crc->LoadChunkData(); |
3599 |
|
|
3600 |
|
// the order of einf and 3crc is not the same in v2 and v3 |
3601 |
|
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
3602 |
} |
} |
3603 |
} |
} |
3604 |
|
|