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#include "helper.h" |
#include "helper.h" |
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#include <algorithm> |
29 |
#include <math.h> |
#include <math.h> |
30 |
#include <iostream> |
#include <iostream> |
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256 |
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257 |
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// *************** Internal CRC-32 (Cyclic Redundancy Check) functions *************** |
260 |
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// * |
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262 |
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static uint32_t* __initCRCTable() { |
263 |
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static uint32_t res[256]; |
264 |
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265 |
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for (int i = 0 ; i < 256 ; i++) { |
266 |
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uint32_t c = i; |
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for (int j = 0 ; j < 8 ; j++) { |
268 |
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c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
269 |
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} |
270 |
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res[i] = c; |
271 |
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} |
272 |
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return res; |
273 |
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} |
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275 |
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static const uint32_t* __CRCTable = __initCRCTable(); |
276 |
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277 |
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/** |
278 |
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* Initialize a CRC variable. |
279 |
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* |
280 |
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* @param crc - variable to be initialized |
281 |
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*/ |
282 |
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inline static void __resetCRC(uint32_t& crc) { |
283 |
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crc = 0xffffffff; |
284 |
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} |
285 |
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286 |
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/** |
287 |
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* Used to calculate checksums of the sample data in a gig file. The |
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* checksums are stored in the 3crc chunk of the gig file and |
289 |
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* automatically updated when a sample is written with Sample::Write(). |
290 |
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* |
291 |
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* One should call __resetCRC() to initialize the CRC variable to be |
292 |
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* used before calling this function the first time. |
293 |
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* |
294 |
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* After initializing the CRC variable one can call this function |
295 |
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* arbitrary times, i.e. to split the overall CRC calculation into |
296 |
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* steps. |
297 |
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* |
298 |
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* Once the whole data was processed by __calculateCRC(), one should |
299 |
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* call __encodeCRC() to get the final CRC result. |
300 |
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* |
301 |
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* @param buf - pointer to data the CRC shall be calculated of |
302 |
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* @param bufSize - size of the data to be processed |
303 |
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* @param crc - variable the CRC sum shall be stored to |
304 |
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*/ |
305 |
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static void __calculateCRC(unsigned char* buf, int bufSize, uint32_t& crc) { |
306 |
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for (int i = 0 ; i < bufSize ; i++) { |
307 |
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crc = __CRCTable[(crc ^ buf[i]) & 0xff] ^ (crc >> 8); |
308 |
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} |
309 |
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} |
310 |
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311 |
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/** |
312 |
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* Returns the final CRC result. |
313 |
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* |
314 |
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* @param crc - variable previously passed to __calculateCRC() |
315 |
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*/ |
316 |
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inline static uint32_t __encodeCRC(const uint32_t& crc) { |
317 |
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return crc ^ 0xffffffff; |
318 |
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} |
319 |
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320 |
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321 |
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322 |
// *************** Other Internal functions *************** |
// *************** Other Internal functions *************** |
323 |
// * |
// * |
324 |
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367 |
* is located, 0 otherwise |
* is located, 0 otherwise |
368 |
*/ |
*/ |
369 |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo) : 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) { |
370 |
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
371 |
{ CHUNK_ID_INAM, 64 }, |
{ CHUNK_ID_INAM, 64 }, |
372 |
{ 0, 0 } |
{ 0, 0 } |
373 |
}; |
}; |
374 |
pInfo->FixedStringLengths = fixedStringLengths; |
pInfo->SetFixedStringLengths(fixedStringLengths); |
375 |
Instances++; |
Instances++; |
376 |
FileNo = fileNo; |
FileNo = fileNo; |
377 |
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378 |
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__resetCRC(crc); |
379 |
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380 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
381 |
if (pCk3gix) { |
if (pCk3gix) { |
382 |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
408 |
Manufacturer = 0; |
Manufacturer = 0; |
409 |
Product = 0; |
Product = 0; |
410 |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
411 |
MIDIUnityNote = 64; |
MIDIUnityNote = 60; |
412 |
FineTune = 0; |
FineTune = 0; |
413 |
SMPTEFormat = smpte_format_no_offset; |
SMPTEFormat = smpte_format_no_offset; |
414 |
SMPTEOffset = 0; |
SMPTEOffset = 0; |
1198 |
* |
* |
1199 |
* Note: there is currently no support for writing compressed samples. |
* Note: there is currently no support for writing compressed samples. |
1200 |
* |
* |
1201 |
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* For 16 bit samples, the data in the source buffer should be |
1202 |
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* int16_t (using native endianness). For 24 bit, the buffer |
1203 |
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* should contain three bytes per sample, little-endian. |
1204 |
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* |
1205 |
* @param pBuffer - source buffer |
* @param pBuffer - source buffer |
1206 |
* @param SampleCount - number of sample points to write |
* @param SampleCount - number of sample points to write |
1207 |
* @throws DLS::Exception if current sample size is too small |
* @throws DLS::Exception if current sample size is too small |
1210 |
*/ |
*/ |
1211 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
1212 |
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)"); |
1213 |
return DLS::Sample::Write(pBuffer, SampleCount); |
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1214 |
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// if this is the first write in this sample, reset the |
1215 |
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// checksum calculator |
1216 |
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if (pCkData->GetPos() == 0) { |
1217 |
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__resetCRC(crc); |
1218 |
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} |
1219 |
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if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1220 |
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unsigned long res; |
1221 |
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if (BitDepth == 24) { |
1222 |
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res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
1223 |
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} else { // 16 bit |
1224 |
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res = Channels == 2 ? pCkData->Write(pBuffer, SampleCount << 1, 2) >> 1 |
1225 |
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: pCkData->Write(pBuffer, SampleCount, 2); |
1226 |
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} |
1227 |
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__calculateCRC((unsigned char *)pBuffer, SampleCount * FrameSize, crc); |
1228 |
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1229 |
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// if this is the last write, update the checksum chunk in the |
1230 |
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// file |
1231 |
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if (pCkData->GetPos() == pCkData->GetSize()) { |
1232 |
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File* pFile = static_cast<File*>(GetParent()); |
1233 |
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pFile->SetSampleChecksum(this, __encodeCRC(crc)); |
1234 |
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} |
1235 |
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return res; |
1236 |
} |
} |
1237 |
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1238 |
/** |
/** |
1308 |
uint DimensionRegion::Instances = 0; |
uint DimensionRegion::Instances = 0; |
1309 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1310 |
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1311 |
DimensionRegion::DimensionRegion(RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1312 |
Instances++; |
Instances++; |
1313 |
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1314 |
pSample = NULL; |
pSample = NULL; |
1315 |
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pRegion = pParent; |
1316 |
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1317 |
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if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
1318 |
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else memset(&Crossfade, 0, 4); |
1319 |
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memcpy(&Crossfade, &SamplerOptions, 4); |
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1320 |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
1321 |
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1322 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1480 |
LFO1ControlDepth = 0; |
LFO1ControlDepth = 0; |
1481 |
LFO3ControlDepth = 0; |
LFO3ControlDepth = 0; |
1482 |
EG1Attack = 0.0; |
EG1Attack = 0.0; |
1483 |
EG1Decay1 = 0.0; |
EG1Decay1 = 0.005; |
1484 |
EG1Sustain = 0; |
EG1Sustain = 1000; |
1485 |
EG1Release = 0.0; |
EG1Release = 0.3; |
1486 |
EG1Controller.type = eg1_ctrl_t::type_none; |
EG1Controller.type = eg1_ctrl_t::type_none; |
1487 |
EG1Controller.controller_number = 0; |
EG1Controller.controller_number = 0; |
1488 |
EG1ControllerInvert = false; |
EG1ControllerInvert = false; |
1497 |
EG2ControllerReleaseInfluence = 0; |
EG2ControllerReleaseInfluence = 0; |
1498 |
LFO1Frequency = 1.0; |
LFO1Frequency = 1.0; |
1499 |
EG2Attack = 0.0; |
EG2Attack = 0.0; |
1500 |
EG2Decay1 = 0.0; |
EG2Decay1 = 0.005; |
1501 |
EG2Sustain = 0; |
EG2Sustain = 1000; |
1502 |
EG2Release = 0.0; |
EG2Release = 0.3; |
1503 |
LFO2ControlDepth = 0; |
LFO2ControlDepth = 0; |
1504 |
LFO2Frequency = 1.0; |
LFO2Frequency = 1.0; |
1505 |
LFO2InternalDepth = 0; |
LFO2InternalDepth = 0; |
1506 |
EG1Decay2 = 0.0; |
EG1Decay2 = 0.0; |
1507 |
EG1InfiniteSustain = false; |
EG1InfiniteSustain = true; |
1508 |
EG1PreAttack = 1000; |
EG1PreAttack = 0; |
1509 |
EG2Decay2 = 0.0; |
EG2Decay2 = 0.0; |
1510 |
EG2InfiniteSustain = false; |
EG2InfiniteSustain = true; |
1511 |
EG2PreAttack = 1000; |
EG2PreAttack = 0; |
1512 |
VelocityResponseCurve = curve_type_nonlinear; |
VelocityResponseCurve = curve_type_nonlinear; |
1513 |
VelocityResponseDepth = 3; |
VelocityResponseDepth = 3; |
1514 |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
1551 |
VCFVelocityDynamicRange = 0x04; |
VCFVelocityDynamicRange = 0x04; |
1552 |
VCFVelocityCurve = curve_type_linear; |
VCFVelocityCurve = curve_type_linear; |
1553 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1554 |
memset(DimensionUpperLimits, 0, 8); |
memset(DimensionUpperLimits, 127, 8); |
1555 |
} |
} |
1556 |
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1557 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1558 |
VelocityResponseDepth, |
VelocityResponseDepth, |
1559 |
VelocityResponseCurveScaling); |
VelocityResponseCurveScaling); |
1560 |
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1561 |
curve_type_t curveType = ReleaseVelocityResponseCurve; |
pVelocityReleaseTable = GetReleaseVelocityTable( |
1562 |
uint8_t depth = ReleaseVelocityResponseDepth; |
ReleaseVelocityResponseCurve, |
1563 |
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ReleaseVelocityResponseDepth |
1564 |
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); |
1565 |
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1566 |
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pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, |
1567 |
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VCFVelocityDynamicRange, |
1568 |
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VCFVelocityScale, |
1569 |
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VCFCutoffController); |
1570 |
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1571 |
// this models a strange behaviour or bug in GSt: two of the |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1572 |
// velocity response curves for release time are not used even |
VelocityTable = 0; |
1573 |
// if specified, instead another curve is chosen. |
} |
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if ((curveType == curve_type_nonlinear && depth == 0) || |
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(curveType == curve_type_special && depth == 4)) { |
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curveType = curve_type_nonlinear; |
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depth = 3; |
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} |
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pVelocityReleaseTable = GetVelocityTable(curveType, depth, 0); |
|
1574 |
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1575 |
curveType = VCFVelocityCurve; |
/* |
1576 |
depth = VCFVelocityDynamicRange; |
* Constructs a DimensionRegion by copying all parameters from |
1577 |
|
* another DimensionRegion |
1578 |
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*/ |
1579 |
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DimensionRegion::DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src) : DLS::Sampler(_3ewl) { |
1580 |
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Instances++; |
1581 |
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*this = src; // default memberwise shallow copy of all parameters |
1582 |
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pParentList = _3ewl; // restore the chunk pointer |
1583 |
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|
1584 |
// even stranger GSt: two of the velocity response curves for |
// deep copy of owned structures |
1585 |
// filter cutoff are not used, instead another special curve |
if (src.VelocityTable) { |
1586 |
// is chosen. This curve is not used anywhere else. |
VelocityTable = new uint8_t[128]; |
1587 |
if ((curveType == curve_type_nonlinear && depth == 0) || |
for (int k = 0 ; k < 128 ; k++) |
1588 |
(curveType == curve_type_special && depth == 4)) { |
VelocityTable[k] = src.VelocityTable[k]; |
1589 |
curveType = curve_type_special; |
} |
1590 |
depth = 5; |
if (src.pSampleLoops) { |
1591 |
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pSampleLoops = new DLS::sample_loop_t[src.SampleLoops]; |
1592 |
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for (int k = 0 ; k < src.SampleLoops ; k++) |
1593 |
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pSampleLoops[k] = src.pSampleLoops[k]; |
1594 |
} |
} |
1595 |
pVelocityCutoffTable = GetVelocityTable(curveType, depth, |
} |
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VCFCutoffController <= vcf_cutoff_ctrl_none2 ? VCFVelocityScale : 0); |
|
1596 |
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1597 |
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/** |
1598 |
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* Updates the respective member variable and updates @c SampleAttenuation |
1599 |
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* which depends on this value. |
1600 |
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*/ |
1601 |
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void DimensionRegion::SetGain(int32_t gain) { |
1602 |
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DLS::Sampler::SetGain(gain); |
1603 |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
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VelocityTable = 0; |
|
1604 |
} |
} |
1605 |
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1606 |
/** |
/** |
1614 |
// first update base class's chunk |
// first update base class's chunk |
1615 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(); |
1616 |
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|
1617 |
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RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1618 |
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uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
1619 |
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pData[12] = Crossfade.in_start; |
1620 |
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pData[13] = Crossfade.in_end; |
1621 |
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pData[14] = Crossfade.out_start; |
1622 |
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pData[15] = Crossfade.out_end; |
1623 |
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|
1624 |
// make sure '3ewa' chunk exists |
// make sure '3ewa' chunk exists |
1625 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1626 |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
if (!_3ewa) { |
1627 |
uint8_t* pData = (uint8_t*) _3ewa->LoadChunkData(); |
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
1628 |
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bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
1629 |
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_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
1630 |
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} |
1631 |
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pData = (uint8_t*) _3ewa->LoadChunkData(); |
1632 |
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|
1633 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1634 |
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|
1674 |
pData[44] = eg1ctl; |
pData[44] = eg1ctl; |
1675 |
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|
1676 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1677 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert ? 0x01 : 0x00) | |
1678 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1679 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1680 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1684 |
pData[46] = eg2ctl; |
pData[46] = eg2ctl; |
1685 |
|
|
1686 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1687 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert ? 0x01 : 0x00) | |
1688 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1689 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1690 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1862 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1863 |
pData[131] = eg1hold; |
pData[131] = eg1hold; |
1864 |
|
|
1865 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled ? 0x80 : 0x00) | /* bit 7 */ |
1866 |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1867 |
pData[132] = vcfcutoff; |
pData[132] = vcfcutoff; |
1868 |
|
|
1869 |
pData[133] = VCFCutoffController; |
pData[133] = VCFCutoffController; |
1870 |
|
|
1871 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert ? 0x80 : 0x00) | /* bit 7 */ |
1872 |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1873 |
pData[134] = vcfvelscale; |
pData[134] = vcfvelscale; |
1874 |
|
|
1875 |
// next byte unknown |
// next byte unknown |
1876 |
|
|
1877 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic ? 0x00 : 0x80) | /* bit 7 */ |
1878 |
(VCFResonance & 0x7f); /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
1879 |
pData[136] = vcfresonance; |
pData[136] = vcfresonance; |
1880 |
|
|
1881 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking ? 0x80 : 0x00) | /* bit 7 */ |
1882 |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1883 |
pData[137] = vcfbreakpoint; |
pData[137] = vcfbreakpoint; |
1884 |
|
|
1894 |
} |
} |
1895 |
} |
} |
1896 |
|
|
1897 |
|
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
1898 |
|
curve_type_t curveType = releaseVelocityResponseCurve; |
1899 |
|
uint8_t depth = releaseVelocityResponseDepth; |
1900 |
|
// this models a strange behaviour or bug in GSt: two of the |
1901 |
|
// velocity response curves for release time are not used even |
1902 |
|
// if specified, instead another curve is chosen. |
1903 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
1904 |
|
(curveType == curve_type_special && depth == 4)) { |
1905 |
|
curveType = curve_type_nonlinear; |
1906 |
|
depth = 3; |
1907 |
|
} |
1908 |
|
return GetVelocityTable(curveType, depth, 0); |
1909 |
|
} |
1910 |
|
|
1911 |
|
double* DimensionRegion::GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, |
1912 |
|
uint8_t vcfVelocityDynamicRange, |
1913 |
|
uint8_t vcfVelocityScale, |
1914 |
|
vcf_cutoff_ctrl_t vcfCutoffController) |
1915 |
|
{ |
1916 |
|
curve_type_t curveType = vcfVelocityCurve; |
1917 |
|
uint8_t depth = vcfVelocityDynamicRange; |
1918 |
|
// even stranger GSt: two of the velocity response curves for |
1919 |
|
// filter cutoff are not used, instead another special curve |
1920 |
|
// is chosen. This curve is not used anywhere else. |
1921 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
1922 |
|
(curveType == curve_type_special && depth == 4)) { |
1923 |
|
curveType = curve_type_special; |
1924 |
|
depth = 5; |
1925 |
|
} |
1926 |
|
return GetVelocityTable(curveType, depth, |
1927 |
|
(vcfCutoffController <= vcf_cutoff_ctrl_none2) |
1928 |
|
? vcfVelocityScale : 0); |
1929 |
|
} |
1930 |
|
|
1931 |
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
// get the corresponding velocity table from the table map or create & calculate that table if it doesn't exist yet |
1932 |
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
double* DimensionRegion::GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling) |
1933 |
{ |
{ |
1943 |
return table; |
return table; |
1944 |
} |
} |
1945 |
|
|
1946 |
|
Region* DimensionRegion::GetParent() const { |
1947 |
|
return pRegion; |
1948 |
|
} |
1949 |
|
|
1950 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
1951 |
leverage_ctrl_t decodedcontroller; |
leverage_ctrl_t decodedcontroller; |
1952 |
switch (EncodedController) { |
switch (EncodedController) { |
2200 |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
2201 |
} |
} |
2202 |
|
|
2203 |
|
/** |
2204 |
|
* Updates the respective member variable and the lookup table / cache |
2205 |
|
* that depends on this value. |
2206 |
|
*/ |
2207 |
|
void DimensionRegion::SetVelocityResponseCurve(curve_type_t curve) { |
2208 |
|
pVelocityAttenuationTable = |
2209 |
|
GetVelocityTable( |
2210 |
|
curve, VelocityResponseDepth, VelocityResponseCurveScaling |
2211 |
|
); |
2212 |
|
VelocityResponseCurve = curve; |
2213 |
|
} |
2214 |
|
|
2215 |
|
/** |
2216 |
|
* Updates the respective member variable and the lookup table / cache |
2217 |
|
* that depends on this value. |
2218 |
|
*/ |
2219 |
|
void DimensionRegion::SetVelocityResponseDepth(uint8_t depth) { |
2220 |
|
pVelocityAttenuationTable = |
2221 |
|
GetVelocityTable( |
2222 |
|
VelocityResponseCurve, depth, VelocityResponseCurveScaling |
2223 |
|
); |
2224 |
|
VelocityResponseDepth = depth; |
2225 |
|
} |
2226 |
|
|
2227 |
|
/** |
2228 |
|
* Updates the respective member variable and the lookup table / cache |
2229 |
|
* that depends on this value. |
2230 |
|
*/ |
2231 |
|
void DimensionRegion::SetVelocityResponseCurveScaling(uint8_t scaling) { |
2232 |
|
pVelocityAttenuationTable = |
2233 |
|
GetVelocityTable( |
2234 |
|
VelocityResponseCurve, VelocityResponseDepth, scaling |
2235 |
|
); |
2236 |
|
VelocityResponseCurveScaling = scaling; |
2237 |
|
} |
2238 |
|
|
2239 |
|
/** |
2240 |
|
* Updates the respective member variable and the lookup table / cache |
2241 |
|
* that depends on this value. |
2242 |
|
*/ |
2243 |
|
void DimensionRegion::SetReleaseVelocityResponseCurve(curve_type_t curve) { |
2244 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(curve, ReleaseVelocityResponseDepth); |
2245 |
|
ReleaseVelocityResponseCurve = curve; |
2246 |
|
} |
2247 |
|
|
2248 |
|
/** |
2249 |
|
* Updates the respective member variable and the lookup table / cache |
2250 |
|
* that depends on this value. |
2251 |
|
*/ |
2252 |
|
void DimensionRegion::SetReleaseVelocityResponseDepth(uint8_t depth) { |
2253 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(ReleaseVelocityResponseCurve, depth); |
2254 |
|
ReleaseVelocityResponseDepth = depth; |
2255 |
|
} |
2256 |
|
|
2257 |
|
/** |
2258 |
|
* Updates the respective member variable and the lookup table / cache |
2259 |
|
* that depends on this value. |
2260 |
|
*/ |
2261 |
|
void DimensionRegion::SetVCFCutoffController(vcf_cutoff_ctrl_t controller) { |
2262 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, VCFVelocityScale, controller); |
2263 |
|
VCFCutoffController = controller; |
2264 |
|
} |
2265 |
|
|
2266 |
|
/** |
2267 |
|
* Updates the respective member variable and the lookup table / cache |
2268 |
|
* that depends on this value. |
2269 |
|
*/ |
2270 |
|
void DimensionRegion::SetVCFVelocityCurve(curve_type_t curve) { |
2271 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(curve, VCFVelocityDynamicRange, VCFVelocityScale, VCFCutoffController); |
2272 |
|
VCFVelocityCurve = curve; |
2273 |
|
} |
2274 |
|
|
2275 |
|
/** |
2276 |
|
* Updates the respective member variable and the lookup table / cache |
2277 |
|
* that depends on this value. |
2278 |
|
*/ |
2279 |
|
void DimensionRegion::SetVCFVelocityDynamicRange(uint8_t range) { |
2280 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, range, VCFVelocityScale, VCFCutoffController); |
2281 |
|
VCFVelocityDynamicRange = range; |
2282 |
|
} |
2283 |
|
|
2284 |
|
/** |
2285 |
|
* Updates the respective member variable and the lookup table / cache |
2286 |
|
* that depends on this value. |
2287 |
|
*/ |
2288 |
|
void DimensionRegion::SetVCFVelocityScale(uint8_t scaling) { |
2289 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, scaling, VCFCutoffController); |
2290 |
|
VCFVelocityScale = scaling; |
2291 |
|
} |
2292 |
|
|
2293 |
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) { |
2294 |
|
|
2295 |
// line-segment approximations of the 15 velocity curves |
// line-segment approximations of the 15 velocity curves |
2373 |
|
|
2374 |
// Actual Loading |
// Actual Loading |
2375 |
|
|
2376 |
|
if (!file->GetAutoLoad()) return; |
2377 |
|
|
2378 |
LoadDimensionRegions(rgnList); |
LoadDimensionRegions(rgnList); |
2379 |
|
|
2380 |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
2383 |
for (int i = 0; i < dimensionBits; i++) { |
for (int i = 0; i < dimensionBits; i++) { |
2384 |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
2385 |
uint8_t bits = _3lnk->ReadUint8(); |
uint8_t bits = _3lnk->ReadUint8(); |
2386 |
_3lnk->ReadUint8(); // probably the position of the dimension |
_3lnk->ReadUint8(); // bit position of the dimension (bits[0] + bits[1] + ... + bits[i-1]) |
2387 |
_3lnk->ReadUint8(); // unknown |
_3lnk->ReadUint8(); // (1 << bit position of next dimension) - (1 << bit position of this dimension) |
2388 |
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) |
2389 |
if (dimension == dimension_none) { // inactive dimension |
if (dimension == dimension_none) { // inactive dimension |
2390 |
pDimensionDefinitions[i].dimension = dimension_none; |
pDimensionDefinitions[i].dimension = dimension_none; |
2418 |
else |
else |
2419 |
_3lnk->SetPos(44); |
_3lnk->SetPos(44); |
2420 |
|
|
2421 |
// load sample references |
// load sample references (if auto loading is enabled) |
2422 |
for (uint i = 0; i < DimensionRegions; i++) { |
if (file->GetAutoLoad()) { |
2423 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
for (uint i = 0; i < DimensionRegions; i++) { |
2424 |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2425 |
|
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2426 |
|
} |
2427 |
|
GetSample(); // load global region sample reference |
2428 |
} |
} |
|
GetSample(); // load global region sample reference |
|
2429 |
} else { |
} else { |
2430 |
DimensionRegions = 0; |
DimensionRegions = 0; |
2431 |
for (int i = 0 ; i < 8 ; i++) { |
for (int i = 0 ; i < 8 ; i++) { |
2440 |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
2441 |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
2442 |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
2443 |
pDimensionRegions[0] = new DimensionRegion(_3ewl); |
pDimensionRegions[0] = new DimensionRegion(this, _3ewl); |
2444 |
DimensionRegions = 1; |
DimensionRegions = 1; |
2445 |
} |
} |
2446 |
} |
} |
2470 |
} |
} |
2471 |
|
|
2472 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
2473 |
const int iMaxDimensions = (pFile->pVersion && pFile->pVersion->major == 3) ? 8 : 5; |
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
2474 |
const int iMaxDimensionRegions = (pFile->pVersion && pFile->pVersion->major == 3) ? 256 : 32; |
const int iMaxDimensions = version3 ? 8 : 5; |
2475 |
|
const int iMaxDimensionRegions = version3 ? 256 : 32; |
2476 |
|
|
2477 |
// make sure '3lnk' chunk exists |
// make sure '3lnk' chunk exists |
2478 |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
2479 |
if (!_3lnk) { |
if (!_3lnk) { |
2480 |
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
const int _3lnkChunkSize = version3 ? 1092 : 172; |
2481 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
2482 |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
2483 |
|
|
2488 |
// update dimension definitions in '3lnk' chunk |
// update dimension definitions in '3lnk' chunk |
2489 |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2490 |
store32(&pData[0], DimensionRegions); |
store32(&pData[0], DimensionRegions); |
2491 |
|
int shift = 0; |
2492 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2493 |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2494 |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2495 |
// next 2 bytes unknown |
pData[6 + i * 8] = pDimensionDefinitions[i].dimension == dimension_none ? 0 : shift; |
2496 |
|
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2497 |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2498 |
// next 3 bytes unknown |
// next 3 bytes unknown, always zero? |
2499 |
|
|
2500 |
|
shift += pDimensionDefinitions[i].bits; |
2501 |
} |
} |
2502 |
|
|
2503 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
2504 |
const int iWavePoolOffset = (pFile->pVersion && pFile->pVersion->major == 3) ? 68 : 44; |
const int iWavePoolOffset = version3 ? 68 : 44; |
2505 |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
2506 |
int iWaveIndex = -1; |
int iWaveIndex = -1; |
2507 |
if (i < DimensionRegions) { |
if (i < DimensionRegions) { |
2514 |
break; |
break; |
2515 |
} |
} |
2516 |
} |
} |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
|
2517 |
} |
} |
2518 |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2519 |
} |
} |
2526 |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
2527 |
while (_3ewl) { |
while (_3ewl) { |
2528 |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
2529 |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(_3ewl); |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(this, _3ewl); |
2530 |
dimensionRegionNr++; |
dimensionRegionNr++; |
2531 |
} |
} |
2532 |
_3ewl = _3prg->GetNextSubList(); |
_3ewl = _3prg->GetNextSubList(); |
2535 |
} |
} |
2536 |
} |
} |
2537 |
|
|
2538 |
|
void Region::SetKeyRange(uint16_t Low, uint16_t High) { |
2539 |
|
// update KeyRange struct and make sure regions are in correct order |
2540 |
|
DLS::Region::SetKeyRange(Low, High); |
2541 |
|
// update Region key table for fast lookup |
2542 |
|
((gig::Instrument*)GetParent())->UpdateRegionKeyTable(); |
2543 |
|
} |
2544 |
|
|
2545 |
void Region::UpdateVelocityTable() { |
void Region::UpdateVelocityTable() { |
2546 |
// get velocity dimension's index |
// get velocity dimension's index |
2547 |
int veldim = -1; |
int veldim = -1; |
2647 |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
2648 |
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"); |
2649 |
|
|
2650 |
|
// pos is where the new dimension should be placed, normally |
2651 |
|
// last in list, except for the samplechannel dimension which |
2652 |
|
// has to be first in list |
2653 |
|
int pos = pDimDef->dimension == dimension_samplechannel ? 0 : Dimensions; |
2654 |
|
int bitpos = 0; |
2655 |
|
for (int i = 0 ; i < pos ; i++) |
2656 |
|
bitpos += pDimensionDefinitions[i].bits; |
2657 |
|
|
2658 |
|
// make room for the new dimension |
2659 |
|
for (int i = Dimensions ; i > pos ; i--) pDimensionDefinitions[i] = pDimensionDefinitions[i - 1]; |
2660 |
|
for (int i = 0 ; i < (1 << iCurrentBits) ; i++) { |
2661 |
|
for (int j = Dimensions ; j > pos ; j--) { |
2662 |
|
pDimensionRegions[i]->DimensionUpperLimits[j] = |
2663 |
|
pDimensionRegions[i]->DimensionUpperLimits[j - 1]; |
2664 |
|
} |
2665 |
|
} |
2666 |
|
|
2667 |
// assign definition of new dimension |
// assign definition of new dimension |
2668 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[pos] = *pDimDef; |
2669 |
|
|
2670 |
// auto correct certain dimension definition fields (where possible) |
// auto correct certain dimension definition fields (where possible) |
2671 |
pDimensionDefinitions[Dimensions].split_type = |
pDimensionDefinitions[pos].split_type = |
2672 |
__resolveSplitType(pDimensionDefinitions[Dimensions].dimension); |
__resolveSplitType(pDimensionDefinitions[pos].dimension); |
2673 |
pDimensionDefinitions[Dimensions].zone_size = |
pDimensionDefinitions[pos].zone_size = |
2674 |
__resolveZoneSize(pDimensionDefinitions[Dimensions]); |
__resolveZoneSize(pDimensionDefinitions[pos]); |
2675 |
|
|
2676 |
// create new dimension region(s) for this new dimension |
// create new dimension region(s) for this new dimension, and make |
2677 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
// sure that the dimension regions are placed correctly in both the |
2678 |
//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 |
2679 |
RIFF::List* pNewDimRgnListChunk = pCkRegion->AddSubList(LIST_TYPE_3EWL); |
RIFF::Chunk* moveTo = NULL; |
2680 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2681 |
DimensionRegions++; |
for (int i = (1 << iCurrentBits) - (1 << bitpos) ; i >= 0 ; i -= (1 << bitpos)) { |
2682 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2683 |
|
pDimensionRegions[(i << pDimDef->bits) + k] = pDimensionRegions[i + k]; |
2684 |
|
} |
2685 |
|
for (int j = 1 ; j < (1 << pDimDef->bits) ; j++) { |
2686 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2687 |
|
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2688 |
|
if (moveTo) _3prg->MoveSubChunk(pNewDimRgnListChunk, moveTo); |
2689 |
|
// create a new dimension region and copy all parameter values from |
2690 |
|
// an existing dimension region |
2691 |
|
pDimensionRegions[(i << pDimDef->bits) + (j << bitpos) + k] = |
2692 |
|
new DimensionRegion(pNewDimRgnListChunk, *pDimensionRegions[i + k]); |
2693 |
|
|
2694 |
|
DimensionRegions++; |
2695 |
|
} |
2696 |
|
} |
2697 |
|
moveTo = pDimensionRegions[i]->pParentList; |
2698 |
|
} |
2699 |
|
|
2700 |
|
// initialize the upper limits for this dimension |
2701 |
|
int mask = (1 << bitpos) - 1; |
2702 |
|
for (int z = 0 ; z < pDimDef->zones ; z++) { |
2703 |
|
uint8_t upperLimit = uint8_t((z + 1) * 128.0 / pDimDef->zones - 1); |
2704 |
|
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
2705 |
|
pDimensionRegions[((i & ~mask) << pDimDef->bits) | |
2706 |
|
(z << bitpos) | |
2707 |
|
(i & mask)]->DimensionUpperLimits[pos] = upperLimit; |
2708 |
|
} |
2709 |
} |
} |
2710 |
|
|
2711 |
Dimensions++; |
Dimensions++; |
2748 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
2749 |
iUpperBits += pDimensionDefinitions[i].bits; |
iUpperBits += pDimensionDefinitions[i].bits; |
2750 |
|
|
2751 |
|
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2752 |
|
|
2753 |
// delete dimension regions which belong to the given dimension |
// delete dimension regions which belong to the given dimension |
2754 |
// (that is where the dimension's bit > 0) |
// (that is where the dimension's bit > 0) |
2755 |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
2758 |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
2759 |
iObsoleteBit << iLowerBits | |
iObsoleteBit << iLowerBits | |
2760 |
iLowerBit; |
iLowerBit; |
2761 |
|
|
2762 |
|
_3prg->DeleteSubChunk(pDimensionRegions[iToDelete]->pParentList); |
2763 |
delete pDimensionRegions[iToDelete]; |
delete pDimensionRegions[iToDelete]; |
2764 |
pDimensionRegions[iToDelete] = NULL; |
pDimensionRegions[iToDelete] = NULL; |
2765 |
DimensionRegions--; |
DimensionRegions--; |
2780 |
} |
} |
2781 |
} |
} |
2782 |
|
|
2783 |
|
// remove the this dimension from the upper limits arrays |
2784 |
|
for (int j = 0 ; j < 256 && pDimensionRegions[j] ; j++) { |
2785 |
|
DimensionRegion* d = pDimensionRegions[j]; |
2786 |
|
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2787 |
|
d->DimensionUpperLimits[i - 1] = d->DimensionUpperLimits[i]; |
2788 |
|
} |
2789 |
|
d->DimensionUpperLimits[Dimensions - 1] = 127; |
2790 |
|
} |
2791 |
|
|
2792 |
// 'remove' dimension definition |
// 'remove' dimension definition |
2793 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2794 |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
2924 |
} |
} |
2925 |
|
|
2926 |
|
|
2927 |
|
// *************** MidiRule *************** |
2928 |
|
// * |
2929 |
|
|
2930 |
|
MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) { |
2931 |
|
_3ewg->SetPos(36); |
2932 |
|
Triggers = _3ewg->ReadUint8(); |
2933 |
|
_3ewg->SetPos(40); |
2934 |
|
ControllerNumber = _3ewg->ReadUint8(); |
2935 |
|
_3ewg->SetPos(46); |
2936 |
|
for (int i = 0 ; i < Triggers ; i++) { |
2937 |
|
pTriggers[i].TriggerPoint = _3ewg->ReadUint8(); |
2938 |
|
pTriggers[i].Descending = _3ewg->ReadUint8(); |
2939 |
|
pTriggers[i].VelSensitivity = _3ewg->ReadUint8(); |
2940 |
|
pTriggers[i].Key = _3ewg->ReadUint8(); |
2941 |
|
pTriggers[i].NoteOff = _3ewg->ReadUint8(); |
2942 |
|
pTriggers[i].Velocity = _3ewg->ReadUint8(); |
2943 |
|
pTriggers[i].OverridePedal = _3ewg->ReadUint8(); |
2944 |
|
_3ewg->ReadUint8(); |
2945 |
|
} |
2946 |
|
} |
2947 |
|
|
2948 |
|
|
2949 |
// *************** Instrument *************** |
// *************** Instrument *************** |
2950 |
// * |
// * |
2951 |
|
|
2952 |
Instrument::Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress) : DLS::Instrument((DLS::File*)pFile, insList) { |
Instrument::Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress) : DLS::Instrument((DLS::File*)pFile, insList) { |
2953 |
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
static const DLS::Info::string_length_t fixedStringLengths[] = { |
2954 |
{ CHUNK_ID_INAM, 64 }, |
{ CHUNK_ID_INAM, 64 }, |
2955 |
{ CHUNK_ID_ISFT, 12 }, |
{ CHUNK_ID_ISFT, 12 }, |
2956 |
{ 0, 0 } |
{ 0, 0 } |
2957 |
}; |
}; |
2958 |
pInfo->FixedStringLengths = fixedStringLengths; |
pInfo->SetFixedStringLengths(fixedStringLengths); |
2959 |
|
|
2960 |
// Initialization |
// Initialization |
2961 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
2966 |
PianoReleaseMode = false; |
PianoReleaseMode = false; |
2967 |
DimensionKeyRange.low = 0; |
DimensionKeyRange.low = 0; |
2968 |
DimensionKeyRange.high = 0; |
DimensionKeyRange.high = 0; |
2969 |
|
pMidiRules = new MidiRule*[3]; |
2970 |
|
pMidiRules[0] = NULL; |
2971 |
|
|
2972 |
// Loading |
// Loading |
2973 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
2982 |
PianoReleaseMode = dimkeystart & 0x01; |
PianoReleaseMode = dimkeystart & 0x01; |
2983 |
DimensionKeyRange.low = dimkeystart >> 1; |
DimensionKeyRange.low = dimkeystart >> 1; |
2984 |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
2985 |
|
|
2986 |
|
if (_3ewg->GetSize() > 32) { |
2987 |
|
// read MIDI rules |
2988 |
|
int i = 0; |
2989 |
|
_3ewg->SetPos(32); |
2990 |
|
uint8_t id1 = _3ewg->ReadUint8(); |
2991 |
|
uint8_t id2 = _3ewg->ReadUint8(); |
2992 |
|
|
2993 |
|
if (id1 == 4 && id2 == 16) { |
2994 |
|
pMidiRules[i++] = new MidiRuleCtrlTrigger(_3ewg); |
2995 |
|
} |
2996 |
|
//TODO: all the other types of rules |
2997 |
|
|
2998 |
|
pMidiRules[i] = NULL; |
2999 |
|
} |
3000 |
} |
} |
3001 |
} |
} |
3002 |
|
|
3003 |
if (!pRegions) pRegions = new RegionList; |
if (pFile->GetAutoLoad()) { |
3004 |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
if (!pRegions) pRegions = new RegionList; |
3005 |
if (lrgn) { |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
3006 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
if (lrgn) { |
3007 |
while (rgn) { |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
3008 |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
while (rgn) { |
3009 |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
3010 |
pRegions->push_back(new Region(this, rgn)); |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
3011 |
|
pRegions->push_back(new Region(this, rgn)); |
3012 |
|
} |
3013 |
|
rgn = lrgn->GetNextSubList(); |
3014 |
} |
} |
3015 |
rgn = lrgn->GetNextSubList(); |
// Creating Region Key Table for fast lookup |
3016 |
|
UpdateRegionKeyTable(); |
3017 |
} |
} |
|
// Creating Region Key Table for fast lookup |
|
|
UpdateRegionKeyTable(); |
|
3018 |
} |
} |
3019 |
|
|
3020 |
__notify_progress(pProgress, 1.0f); // notify done |
__notify_progress(pProgress, 1.0f); // notify done |
3021 |
} |
} |
3022 |
|
|
3023 |
void Instrument::UpdateRegionKeyTable() { |
void Instrument::UpdateRegionKeyTable() { |
3024 |
|
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
3025 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
3026 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
3027 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
3033 |
} |
} |
3034 |
|
|
3035 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
3036 |
|
delete[] pMidiRules; |
3037 |
} |
} |
3038 |
|
|
3039 |
/** |
/** |
3062 |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
3063 |
// make sure '3ewg' RIFF chunk exists |
// make sure '3ewg' RIFF chunk exists |
3064 |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
3065 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) { |
3066 |
|
File* pFile = (File*) GetParent(); |
3067 |
|
|
3068 |
|
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
3069 |
|
int size = (pFile->pVersion && pFile->pVersion->major == 3) ? 16416 : 12; |
3070 |
|
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
3071 |
|
memset(_3ewg->LoadChunkData(), 0, size); |
3072 |
|
} |
3073 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
3074 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
3075 |
store16(&pData[0], EffectSend); |
store16(&pData[0], EffectSend); |
3076 |
store32(&pData[2], Attenuation); |
store32(&pData[2], Attenuation); |
3077 |
store16(&pData[6], FineTune); |
store16(&pData[6], FineTune); |
3078 |
store16(&pData[8], PitchbendRange); |
store16(&pData[8], PitchbendRange); |
3079 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode ? 0x01 : 0x00) | |
3080 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
3081 |
pData[10] = dimkeystart; |
pData[10] = dimkeystart; |
3082 |
pData[11] = DimensionKeyRange.high; |
pData[11] = DimensionKeyRange.high; |
3090 |
* there is no Region defined for the given \a Key |
* there is no Region defined for the given \a Key |
3091 |
*/ |
*/ |
3092 |
Region* Instrument::GetRegion(unsigned int Key) { |
Region* Instrument::GetRegion(unsigned int Key) { |
3093 |
if (!pRegions || !pRegions->size() || Key > 127) return NULL; |
if (!pRegions || pRegions->empty() || Key > 127) return NULL; |
3094 |
return RegionKeyTable[Key]; |
return RegionKeyTable[Key]; |
3095 |
|
|
3096 |
/*for (int i = 0; i < Regions; i++) { |
/*for (int i = 0; i < Regions; i++) { |
3148 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
3149 |
} |
} |
3150 |
|
|
3151 |
|
/** |
3152 |
|
* Returns a MIDI rule of the instrument. |
3153 |
|
* |
3154 |
|
* The list of MIDI rules, at least in gig v3, always contains at |
3155 |
|
* most two rules. The second rule can only be the DEF filter |
3156 |
|
* (which currently isn't supported by libgig). |
3157 |
|
* |
3158 |
|
* @param i - MIDI rule number |
3159 |
|
* @returns pointer address to MIDI rule number i or NULL if there is none |
3160 |
|
*/ |
3161 |
|
MidiRule* Instrument::GetMidiRule(int i) { |
3162 |
|
return pMidiRules[i]; |
3163 |
|
} |
3164 |
|
|
3165 |
|
|
3166 |
// *************** Group *************** |
// *************** Group *************** |
3200 |
} |
} |
3201 |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
3202 |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
3203 |
|
|
3204 |
|
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major == 3) { |
3205 |
|
// v3 has a fixed list of 128 strings, find a free one |
3206 |
|
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
3207 |
|
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
3208 |
|
pNameChunk = ck; |
3209 |
|
break; |
3210 |
|
} |
3211 |
|
} |
3212 |
|
} |
3213 |
|
|
3214 |
// 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 |
3215 |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
3216 |
} |
} |
3286 |
// *************** File *************** |
// *************** File *************** |
3287 |
// * |
// * |
3288 |
|
|
3289 |
const DLS::Info::FixedStringLength File::FixedStringLengths[] = { |
/// Reflects Gigasampler file format version 2.0 (1998-06-28). |
3290 |
|
const DLS::version_t File::VERSION_2 = { |
3291 |
|
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
3292 |
|
}; |
3293 |
|
|
3294 |
|
/// Reflects Gigasampler file format version 3.0 (2003-03-31). |
3295 |
|
const DLS::version_t File::VERSION_3 = { |
3296 |
|
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
3297 |
|
}; |
3298 |
|
|
3299 |
|
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
3300 |
{ CHUNK_ID_IARL, 256 }, |
{ CHUNK_ID_IARL, 256 }, |
3301 |
{ CHUNK_ID_IART, 128 }, |
{ CHUNK_ID_IART, 128 }, |
3302 |
{ CHUNK_ID_ICMS, 128 }, |
{ CHUNK_ID_ICMS, 128 }, |
3318 |
}; |
}; |
3319 |
|
|
3320 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3321 |
|
bAutoLoad = true; |
3322 |
|
*pVersion = VERSION_3; |
3323 |
pGroups = NULL; |
pGroups = NULL; |
3324 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3325 |
pInfo->ArchivalLocation = String(256, ' '); |
pInfo->ArchivalLocation = String(256, ' '); |
3326 |
|
|
3327 |
// add some mandatory chunks to get the file chunks in right |
// add some mandatory chunks to get the file chunks in right |
3328 |
// order (INFO chunk will be moved to first position later) |
// order (INFO chunk will be moved to first position later) |
3329 |
pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
3330 |
pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
3331 |
|
pRIFF->AddSubChunk(CHUNK_ID_DLID, 16); |
3332 |
|
|
3333 |
|
GenerateDLSID(); |
3334 |
} |
} |
3335 |
|
|
3336 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
3337 |
|
bAutoLoad = true; |
3338 |
pGroups = NULL; |
pGroups = NULL; |
3339 |
pInfo->FixedStringLengths = FixedStringLengths; |
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3340 |
} |
} |
3341 |
|
|
3342 |
File::~File() { |
File::~File() { |
3389 |
|
|
3390 |
/** @brief Delete a sample. |
/** @brief Delete a sample. |
3391 |
* |
* |
3392 |
* 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 |
3393 |
* to call Save() to make this persistent to the file. |
* references to this sample from Regions and DimensionRegions will be |
3394 |
|
* removed. You have to call Save() to make this persistent to the file. |
3395 |
* |
* |
3396 |
* @param pSample - sample to delete |
* @param pSample - sample to delete |
3397 |
* @throws gig::Exception if given sample could not be found |
* @throws gig::Exception if given sample could not be found |
3403 |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
3404 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3405 |
delete pSample; |
delete pSample; |
3406 |
|
|
3407 |
|
SampleList::iterator tmp = SamplesIterator; |
3408 |
|
// remove all references to the sample |
3409 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3410 |
|
instrument = GetNextInstrument()) { |
3411 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3412 |
|
region = instrument->GetNextRegion()) { |
3413 |
|
|
3414 |
|
if (region->GetSample() == pSample) region->SetSample(NULL); |
3415 |
|
|
3416 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3417 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3418 |
|
if (d->pSample == pSample) d->pSample = NULL; |
3419 |
|
} |
3420 |
|
} |
3421 |
|
} |
3422 |
|
SamplesIterator = tmp; // restore iterator |
3423 |
} |
} |
3424 |
|
|
3425 |
void File::LoadSamples() { |
void File::LoadSamples() { |
3510 |
progress_t subprogress; |
progress_t subprogress; |
3511 |
__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
__divide_progress(pProgress, &subprogress, 3.0f, 0.0f); // randomly schedule 33% for this subtask |
3512 |
__notify_progress(&subprogress, 0.0f); |
__notify_progress(&subprogress, 0.0f); |
3513 |
GetFirstSample(&subprogress); // now force all samples to be loaded |
if (GetAutoLoad()) |
3514 |
|
GetFirstSample(&subprogress); // now force all samples to be loaded |
3515 |
__notify_progress(&subprogress, 1.0f); |
__notify_progress(&subprogress, 1.0f); |
3516 |
|
|
3517 |
// instrument loading subtask |
// instrument loading subtask |
3547 |
|
|
3548 |
// add mandatory chunks to get the chunks in right order |
// add mandatory chunks to get the chunks in right order |
3549 |
lstInstr->AddSubList(LIST_TYPE_INFO); |
lstInstr->AddSubList(LIST_TYPE_INFO); |
3550 |
|
lstInstr->AddSubChunk(CHUNK_ID_DLID, 16); |
3551 |
|
|
3552 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
3553 |
|
pInstrument->GenerateDLSID(); |
3554 |
|
|
3555 |
lstInstr->AddSubChunk(CHUNK_ID_INSH, 12); |
lstInstr->AddSubChunk(CHUNK_ID_INSH, 12); |
3556 |
|
|
3607 |
} |
} |
3608 |
} |
} |
3609 |
|
|
3610 |
|
/// Updates the 3crc chunk with the checksum of a sample. The |
3611 |
|
/// update is done directly to disk, as this method is called |
3612 |
|
/// after File::Save() |
3613 |
|
void File::SetSampleChecksum(Sample* pSample, uint32_t crc) { |
3614 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3615 |
|
if (!_3crc) return; |
3616 |
|
|
3617 |
|
// get the index of the sample |
3618 |
|
int iWaveIndex = -1; |
3619 |
|
File::SampleList::iterator iter = pSamples->begin(); |
3620 |
|
File::SampleList::iterator end = pSamples->end(); |
3621 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
3622 |
|
if (*iter == pSample) { |
3623 |
|
iWaveIndex = index; |
3624 |
|
break; |
3625 |
|
} |
3626 |
|
} |
3627 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update crc, could not find sample"); |
3628 |
|
|
3629 |
|
// write the CRC-32 checksum to disk |
3630 |
|
_3crc->SetPos(iWaveIndex * 8); |
3631 |
|
uint32_t tmp = 1; |
3632 |
|
_3crc->WriteUint32(&tmp); // unknown, always 1? |
3633 |
|
_3crc->WriteUint32(&crc); |
3634 |
|
} |
3635 |
|
|
3636 |
Group* File::GetFirstGroup() { |
Group* File::GetFirstGroup() { |
3637 |
if (!pGroups) LoadGroups(); |
if (!pGroups) LoadGroups(); |
3638 |
// there must always be at least one group |
// there must always be at least one group |
3725 |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3726 |
while (ck) { |
while (ck) { |
3727 |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3728 |
|
if (pVersion && pVersion->major == 3 && |
3729 |
|
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
3730 |
|
|
3731 |
pGroups->push_back(new Group(this, ck)); |
pGroups->push_back(new Group(this, ck)); |
3732 |
} |
} |
3733 |
ck = lst3gnl->GetNextSubChunk(); |
ck = lst3gnl->GetNextSubChunk(); |
3753 |
* @throws Exception - on errors |
* @throws Exception - on errors |
3754 |
*/ |
*/ |
3755 |
void File::UpdateChunks() { |
void File::UpdateChunks() { |
3756 |
RIFF::Chunk* info = pRIFF->GetSubList(LIST_TYPE_INFO); |
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
3757 |
|
|
3758 |
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
3759 |
|
|
3760 |
// first update base class's chunks |
// first update base class's chunks |
3761 |
DLS::File::UpdateChunks(); |
DLS::File::UpdateChunks(); |
3762 |
|
|
3763 |
if (!info) { |
if (newFile) { |
3764 |
// INFO was added by Resource::UpdateChunks - make sure it |
// INFO was added by Resource::UpdateChunks - make sure it |
3765 |
// is placed first in file |
// is placed first in file |
3766 |
info = pRIFF->GetSubList(LIST_TYPE_INFO); |
RIFF::Chunk* info = pRIFF->GetSubList(LIST_TYPE_INFO); |
3767 |
RIFF::Chunk* first = pRIFF->GetFirstSubChunk(); |
RIFF::Chunk* first = pRIFF->GetFirstSubChunk(); |
3768 |
if (first != info) { |
if (first != info) { |
3769 |
pRIFF->MoveSubChunk(info, first); |
pRIFF->MoveSubChunk(info, first); |
3777 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
3778 |
(*iter)->UpdateChunks(); |
(*iter)->UpdateChunks(); |
3779 |
} |
} |
3780 |
} |
|
3781 |
|
// v3: make sure the file has 128 3gnm chunks |
3782 |
|
if (pVersion && pVersion->major == 3) { |
3783 |
|
RIFF::List* _3gnl = pRIFF->GetSubList(LIST_TYPE_3GRI)->GetSubList(LIST_TYPE_3GNL); |
3784 |
|
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
3785 |
|
for (int i = 0 ; i < 128 ; i++) { |
3786 |
|
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
3787 |
|
if (_3gnm) _3gnm = _3gnl->GetNextSubChunk(); |
3788 |
|
} |
3789 |
|
} |
3790 |
|
} |
3791 |
|
|
3792 |
|
// update einf chunk |
3793 |
|
|
3794 |
|
// The einf chunk contains statistics about the gig file, such |
3795 |
|
// as the number of regions and samples used by each |
3796 |
|
// instrument. It is divided in equally sized parts, where the |
3797 |
|
// first part contains information about the whole gig file, |
3798 |
|
// and the rest of the parts map to each instrument in the |
3799 |
|
// file. |
3800 |
|
// |
3801 |
|
// At the end of each part there is a bit map of each sample |
3802 |
|
// in the file, where a set bit means that the sample is used |
3803 |
|
// by the file/instrument. |
3804 |
|
// |
3805 |
|
// Note that there are several fields with unknown use. These |
3806 |
|
// are set to zero. |
3807 |
|
|
3808 |
|
int sublen = pSamples->size() / 8 + 49; |
3809 |
|
int einfSize = (Instruments + 1) * sublen; |
3810 |
|
|
3811 |
|
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
3812 |
|
if (einf) { |
3813 |
|
if (einf->GetSize() != einfSize) { |
3814 |
|
einf->Resize(einfSize); |
3815 |
|
memset(einf->LoadChunkData(), 0, einfSize); |
3816 |
|
} |
3817 |
|
} else if (newFile) { |
3818 |
|
einf = pRIFF->AddSubChunk(CHUNK_ID_EINF, einfSize); |
3819 |
|
} |
3820 |
|
if (einf) { |
3821 |
|
uint8_t* pData = (uint8_t*) einf->LoadChunkData(); |
3822 |
|
|
3823 |
|
std::map<gig::Sample*,int> sampleMap; |
3824 |
|
int sampleIdx = 0; |
3825 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
3826 |
|
sampleMap[pSample] = sampleIdx++; |
3827 |
|
} |
3828 |
|
|
3829 |
|
int totnbusedsamples = 0; |
3830 |
|
int totnbusedchannels = 0; |
3831 |
|
int totnbregions = 0; |
3832 |
|
int totnbdimregions = 0; |
3833 |
|
int totnbloops = 0; |
3834 |
|
int instrumentIdx = 0; |
3835 |
|
|
3836 |
|
memset(&pData[48], 0, sublen - 48); |
3837 |
|
|
3838 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3839 |
|
instrument = GetNextInstrument()) { |
3840 |
|
int nbusedsamples = 0; |
3841 |
|
int nbusedchannels = 0; |
3842 |
|
int nbdimregions = 0; |
3843 |
|
int nbloops = 0; |
3844 |
|
|
3845 |
|
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
3846 |
|
|
3847 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3848 |
|
region = instrument->GetNextRegion()) { |
3849 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3850 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3851 |
|
if (d->pSample) { |
3852 |
|
int sampleIdx = sampleMap[d->pSample]; |
3853 |
|
int byte = 48 + sampleIdx / 8; |
3854 |
|
int bit = 1 << (sampleIdx & 7); |
3855 |
|
if ((pData[(instrumentIdx + 1) * sublen + byte] & bit) == 0) { |
3856 |
|
pData[(instrumentIdx + 1) * sublen + byte] |= bit; |
3857 |
|
nbusedsamples++; |
3858 |
|
nbusedchannels += d->pSample->Channels; |
3859 |
|
|
3860 |
|
if ((pData[byte] & bit) == 0) { |
3861 |
|
pData[byte] |= bit; |
3862 |
|
totnbusedsamples++; |
3863 |
|
totnbusedchannels += d->pSample->Channels; |
3864 |
|
} |
3865 |
|
} |
3866 |
|
} |
3867 |
|
if (d->SampleLoops) nbloops++; |
3868 |
|
} |
3869 |
|
nbdimregions += region->DimensionRegions; |
3870 |
|
} |
3871 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3872 |
|
// store32(&pData[(instrumentIdx + 1) * sublen], sublen); |
3873 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 4], nbusedchannels); |
3874 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 8], nbusedsamples); |
3875 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
3876 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
3877 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
3878 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
3879 |
|
// next 8 bytes unknown |
3880 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
3881 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
3882 |
|
// next 4 bytes unknown |
3883 |
|
|
3884 |
|
totnbregions += instrument->Regions; |
3885 |
|
totnbdimregions += nbdimregions; |
3886 |
|
totnbloops += nbloops; |
3887 |
|
instrumentIdx++; |
3888 |
|
} |
3889 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3890 |
|
// store32(&pData[0], sublen); |
3891 |
|
store32(&pData[4], totnbusedchannels); |
3892 |
|
store32(&pData[8], totnbusedsamples); |
3893 |
|
store32(&pData[12], Instruments); |
3894 |
|
store32(&pData[16], totnbregions); |
3895 |
|
store32(&pData[20], totnbdimregions); |
3896 |
|
store32(&pData[24], totnbloops); |
3897 |
|
// next 8 bytes unknown |
3898 |
|
// next 4 bytes unknown, not always 0 |
3899 |
|
store32(&pData[40], pSamples->size()); |
3900 |
|
// next 4 bytes unknown |
3901 |
|
} |
3902 |
|
|
3903 |
|
// update 3crc chunk |
3904 |
|
|
3905 |
|
// The 3crc chunk contains CRC-32 checksums for the |
3906 |
|
// samples. The actual checksum values will be filled in |
3907 |
|
// later, by Sample::Write. |
3908 |
|
|
3909 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3910 |
|
if (_3crc) { |
3911 |
|
_3crc->Resize(pSamples->size() * 8); |
3912 |
|
} else if (newFile) { |
3913 |
|
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
3914 |
|
_3crc->LoadChunkData(); |
3915 |
|
|
3916 |
|
// the order of einf and 3crc is not the same in v2 and v3 |
3917 |
|
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
3918 |
|
} |
3919 |
|
} |
3920 |
|
|
3921 |
|
/** |
3922 |
|
* Enable / disable automatic loading. By default this properyt is |
3923 |
|
* enabled and all informations are loaded automatically. However |
3924 |
|
* loading all Regions, DimensionRegions and especially samples might |
3925 |
|
* take a long time for large .gig files, and sometimes one might only |
3926 |
|
* be interested in retrieving very superficial informations like the |
3927 |
|
* amount of instruments and their names. In this case one might disable |
3928 |
|
* automatic loading to avoid very slow response times. |
3929 |
|
* |
3930 |
|
* @e CAUTION: by disabling this property many pointers (i.e. sample |
3931 |
|
* references) and informations will have invalid or even undefined |
3932 |
|
* data! This feature is currently only intended for retrieving very |
3933 |
|
* superficial informations in a very fast way. Don't use it to retrieve |
3934 |
|
* details like synthesis informations or even to modify .gig files! |
3935 |
|
*/ |
3936 |
|
void File::SetAutoLoad(bool b) { |
3937 |
|
bAutoLoad = b; |
3938 |
|
} |
3939 |
|
|
3940 |
|
/** |
3941 |
|
* Returns whether automatic loading is enabled. |
3942 |
|
* @see SetAutoLoad() |
3943 |
|
*/ |
3944 |
|
bool File::GetAutoLoad() { |
3945 |
|
return bAutoLoad; |
3946 |
} |
} |
3947 |
|
|
3948 |
|
|