1 |
/*************************************************************************** |
/*************************************************************************** |
2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2005 by Christian Schoenebeck * |
* Copyright (C) 2003-2007 by Christian Schoenebeck * |
6 |
* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
7 |
* * |
* * |
8 |
* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
111 |
return x & 0x800000 ? x - 0x1000000 : x; |
return x & 0x800000 ? x - 0x1000000 : x; |
112 |
} |
} |
113 |
|
|
114 |
|
inline void store24(unsigned char* pDst, int x) |
115 |
|
{ |
116 |
|
pDst[0] = x; |
117 |
|
pDst[1] = x >> 8; |
118 |
|
pDst[2] = x >> 16; |
119 |
|
} |
120 |
|
|
121 |
void Decompress16(int compressionmode, const unsigned char* params, |
void Decompress16(int compressionmode, const unsigned char* params, |
122 |
int srcStep, int dstStep, |
int srcStep, int dstStep, |
123 |
const unsigned char* pSrc, int16_t* pDst, |
const unsigned char* pSrc, int16_t* pDst, |
157 |
} |
} |
158 |
|
|
159 |
void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
160 |
int dstStep, const unsigned char* pSrc, int16_t* pDst, |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
161 |
unsigned long currentframeoffset, |
unsigned long currentframeoffset, |
162 |
unsigned long copysamples, int truncatedBits) |
unsigned long copysamples, int truncatedBits) |
163 |
{ |
{ |
|
// Note: The 24 bits are truncated to 16 bits for now. |
|
|
|
|
164 |
int y, dy, ddy, dddy; |
int y, dy, ddy, dddy; |
|
const int shift = 8 - truncatedBits; |
|
165 |
|
|
166 |
#define GET_PARAMS(params) \ |
#define GET_PARAMS(params) \ |
167 |
y = get24(params); \ |
y = get24(params); \ |
177 |
|
|
178 |
#define COPY_ONE(x) \ |
#define COPY_ONE(x) \ |
179 |
SKIP_ONE(x); \ |
SKIP_ONE(x); \ |
180 |
*pDst = y >> shift; \ |
store24(pDst, y << truncatedBits); \ |
181 |
pDst += dstStep |
pDst += dstStep |
182 |
|
|
183 |
switch (compressionmode) { |
switch (compressionmode) { |
184 |
case 2: // 24 bit uncompressed |
case 2: // 24 bit uncompressed |
185 |
pSrc += currentframeoffset * 3; |
pSrc += currentframeoffset * 3; |
186 |
while (copysamples) { |
while (copysamples) { |
187 |
*pDst = get24(pSrc) >> shift; |
store24(pDst, get24(pSrc) << truncatedBits); |
188 |
pDst += dstStep; |
pDst += dstStep; |
189 |
pSrc += 3; |
pSrc += 3; |
190 |
copysamples--; |
copysamples--; |
254 |
} |
} |
255 |
|
|
256 |
|
|
257 |
|
|
258 |
|
// *************** Other Internal functions *************** |
259 |
|
// * |
260 |
|
|
261 |
|
static split_type_t __resolveSplitType(dimension_t dimension) { |
262 |
|
return ( |
263 |
|
dimension == dimension_layer || |
264 |
|
dimension == dimension_samplechannel || |
265 |
|
dimension == dimension_releasetrigger || |
266 |
|
dimension == dimension_keyboard || |
267 |
|
dimension == dimension_roundrobin || |
268 |
|
dimension == dimension_random || |
269 |
|
dimension == dimension_smartmidi || |
270 |
|
dimension == dimension_roundrobinkeyboard |
271 |
|
) ? split_type_bit : split_type_normal; |
272 |
|
} |
273 |
|
|
274 |
|
static int __resolveZoneSize(dimension_def_t& dimension_definition) { |
275 |
|
return (dimension_definition.split_type == split_type_normal) |
276 |
|
? int(128.0 / dimension_definition.zones) : 0; |
277 |
|
} |
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 |
|
|
323 |
* is located, 0 otherwise |
* is located, 0 otherwise |
324 |
*/ |
*/ |
325 |
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) { |
326 |
|
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
327 |
|
{ CHUNK_ID_INAM, 64 }, |
328 |
|
{ 0, 0 } |
329 |
|
}; |
330 |
|
pInfo->FixedStringLengths = fixedStringLengths; |
331 |
Instances++; |
Instances++; |
332 |
FileNo = fileNo; |
FileNo = fileNo; |
333 |
|
|
334 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
335 |
if (pCk3gix) { |
if (pCk3gix) { |
336 |
SampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
337 |
|
pGroup = pFile->GetGroup(iSampleGroup); |
338 |
} else { // '3gix' chunk missing |
} else { // '3gix' chunk missing |
339 |
// use default value(s) |
// by default assigned to that mandatory "Default Group" |
340 |
SampleGroup = 0; |
pGroup = pFile->GetGroup(0); |
341 |
} |
} |
342 |
|
|
343 |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
361 |
// use default values |
// use default values |
362 |
Manufacturer = 0; |
Manufacturer = 0; |
363 |
Product = 0; |
Product = 0; |
364 |
SamplePeriod = 1 / SamplesPerSecond; |
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; |
414 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
415 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
416 |
* |
* |
417 |
* @throws DLS::Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws DLS::Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
418 |
* was provided yet |
* was provided yet |
419 |
* @throws gig::Exception if there is any invalid sample setting |
* @throws gig::Exception if there is any invalid sample setting |
420 |
*/ |
*/ |
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 = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
434 |
memcpy(&pData[0], &Manufacturer, 4); |
store32(&pData[0], Manufacturer); |
435 |
memcpy(&pData[4], &Product, 4); |
store32(&pData[4], Product); |
436 |
memcpy(&pData[8], &SamplePeriod, 4); |
store32(&pData[8], SamplePeriod); |
437 |
memcpy(&pData[12], &MIDIUnityNote, 4); |
store32(&pData[12], MIDIUnityNote); |
438 |
memcpy(&pData[16], &FineTune, 4); |
store32(&pData[16], FineTune); |
439 |
memcpy(&pData[20], &SMPTEFormat, 4); |
store32(&pData[20], SMPTEFormat); |
440 |
memcpy(&pData[24], &SMPTEOffset, 4); |
store32(&pData[24], SMPTEOffset); |
441 |
memcpy(&pData[28], &Loops, 4); |
store32(&pData[28], Loops); |
442 |
|
|
443 |
// we skip 'manufByt' for now (4 bytes) |
// we skip 'manufByt' for now (4 bytes) |
444 |
|
|
445 |
memcpy(&pData[36], &LoopID, 4); |
store32(&pData[36], LoopID); |
446 |
memcpy(&pData[40], &LoopType, 4); |
store32(&pData[40], LoopType); |
447 |
memcpy(&pData[44], &LoopStart, 4); |
store32(&pData[44], LoopStart); |
448 |
memcpy(&pData[48], &LoopEnd, 4); |
store32(&pData[48], LoopEnd); |
449 |
memcpy(&pData[52], &LoopFraction, 4); |
store32(&pData[52], LoopFraction); |
450 |
memcpy(&pData[56], &LoopPlayCount, 4); |
store32(&pData[56], LoopPlayCount); |
451 |
|
|
452 |
// make sure '3gix' chunk exists |
// make sure '3gix' chunk exists |
453 |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
454 |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
455 |
|
// determine appropriate sample group index (to be stored in chunk) |
456 |
|
uint16_t iSampleGroup = 0; // 0 refers to default sample group |
457 |
|
File* pFile = static_cast<File*>(pParent); |
458 |
|
if (pFile->pGroups) { |
459 |
|
std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
460 |
|
std::list<Group*>::iterator end = pFile->pGroups->end(); |
461 |
|
for (int i = 0; iter != end; i++, iter++) { |
462 |
|
if (*iter == pGroup) { |
463 |
|
iSampleGroup = i; |
464 |
|
break; // found |
465 |
|
} |
466 |
|
} |
467 |
|
} |
468 |
// update '3gix' chunk |
// update '3gix' chunk |
469 |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
470 |
memcpy(&pData[0], &SampleGroup, 2); |
store16(&pData[0], iSampleGroup); |
471 |
} |
} |
472 |
|
|
473 |
/// Scans compressed samples for mandatory informations (e.g. actual number of total sample points). |
/// Scans compressed samples for mandatory informations (e.g. actual number of total sample points). |
688 |
* enlarged samples before calling File::Save() as this might exceed the |
* enlarged samples before calling File::Save() as this might exceed the |
689 |
* current sample's boundary! |
* current sample's boundary! |
690 |
* |
* |
691 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
692 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
693 |
* other formats will fail! |
* other formats will fail! |
694 |
* |
* |
695 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
696 |
* greater than zero) |
* greater than zero) |
697 |
* @throws DLS::Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
698 |
* or if \a iNewSize is less than 1 |
* or if \a iNewSize is less than 1 |
699 |
* @throws gig::Exception if existing sample is compressed |
* @throws gig::Exception if existing sample is compressed |
700 |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
963 |
* have to use an external decompression buffer for <b>EACH</b> |
* have to use an external decompression buffer for <b>EACH</b> |
964 |
* streaming thread to avoid race conditions and crashes! |
* streaming thread to avoid race conditions and crashes! |
965 |
* |
* |
966 |
|
* For 16 bit samples, the data in the buffer will be int16_t |
967 |
|
* (using native endianness). For 24 bit, the buffer will |
968 |
|
* contain three bytes per sample, little-endian. |
969 |
|
* |
970 |
* @param pBuffer destination buffer |
* @param pBuffer destination buffer |
971 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
972 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
977 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
978 |
if (!Compressed) { |
if (!Compressed) { |
979 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
980 |
// 24 bit sample. For now just truncate to 16 bit. |
return pCkData->Read(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
|
unsigned char* pSrc = (unsigned char*) ((pExternalDecompressionBuffer) ? pExternalDecompressionBuffer->pStart : this->InternalDecompressionBuffer.pStart); |
|
|
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
|
|
if (Channels == 2) { // Stereo |
|
|
unsigned long readBytes = pCkData->Read(pSrc, SampleCount * 6, 1); |
|
|
pSrc++; |
|
|
for (unsigned long i = readBytes ; i > 0 ; i -= 3) { |
|
|
*pDst++ = get16(pSrc); |
|
|
pSrc += 3; |
|
|
} |
|
|
return (pDst - static_cast<int16_t*>(pBuffer)) >> 1; |
|
|
} |
|
|
else { // Mono |
|
|
unsigned long readBytes = pCkData->Read(pSrc, SampleCount * 3, 1); |
|
|
pSrc++; |
|
|
for (unsigned long i = readBytes ; i > 0 ; i -= 3) { |
|
|
*pDst++ = get16(pSrc); |
|
|
pSrc += 3; |
|
|
} |
|
|
return pDst - static_cast<int16_t*>(pBuffer); |
|
|
} |
|
981 |
} |
} |
982 |
else { // 16 bit |
else { // 16 bit |
983 |
// (pCkData->Read does endian correction) |
// (pCkData->Read does endian correction) |
1007 |
|
|
1008 |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
1009 |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
1010 |
|
uint8_t* pDst24 = static_cast<uint8_t*>(pBuffer); |
1011 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
1012 |
|
|
1013 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1089 |
const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
1090 |
if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
1091 |
|
|
1092 |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
Decompress24(mode_l, param_l, 6, pSrc, pDst24, |
1093 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1094 |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 6, pSrc + rightChannelOffset, pDst24 + 3, |
1095 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1096 |
pDst += copysamples << 1; |
pDst24 += copysamples * 6; |
1097 |
} |
} |
1098 |
else { // Mono |
else { // Mono |
1099 |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
Decompress24(mode_l, param_l, 3, pSrc, pDst24, |
1100 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1101 |
pDst += copysamples; |
pDst24 += copysamples * 3; |
1102 |
} |
} |
1103 |
} |
} |
1104 |
else { // 16 bit |
else { // 16 bit |
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 |
/** |
/** |
1220 |
} |
} |
1221 |
} |
} |
1222 |
|
|
1223 |
|
/** |
1224 |
|
* Returns pointer to the Group this Sample belongs to. In the .gig |
1225 |
|
* format a sample always belongs to one group. If it wasn't explicitly |
1226 |
|
* assigned to a certain group, it will be automatically assigned to a |
1227 |
|
* default group. |
1228 |
|
* |
1229 |
|
* @returns Sample's Group (never NULL) |
1230 |
|
*/ |
1231 |
|
Group* Sample::GetGroup() const { |
1232 |
|
return pGroup; |
1233 |
|
} |
1234 |
|
|
1235 |
Sample::~Sample() { |
Sample::~Sample() { |
1236 |
Instances--; |
Instances--; |
1237 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
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); |
1265 |
if (_3ewa) { // if '3ewa' chunk exists |
if (_3ewa) { // if '3ewa' chunk exists |
1266 |
_3ewa->ReadInt32(); // unknown, always 0x0000008C ? |
_3ewa->ReadInt32(); // unknown, always == chunk size ? |
1267 |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1268 |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1269 |
_3ewa->ReadInt16(); // unknown |
_3ewa->ReadInt16(); // unknown |
1408 |
if (lfo3ctrl & 0x40) // bit 6 |
if (lfo3ctrl & 0x40) // bit 6 |
1409 |
VCFType = vcf_type_lowpassturbo; |
VCFType = vcf_type_lowpassturbo; |
1410 |
} |
} |
1411 |
|
if (_3ewa->RemainingBytes() >= 8) { |
1412 |
|
_3ewa->Read(DimensionUpperLimits, 1, 8); |
1413 |
|
} else { |
1414 |
|
memset(DimensionUpperLimits, 0, 8); |
1415 |
|
} |
1416 |
} else { // '3ewa' chunk does not exist yet |
} else { // '3ewa' chunk does not exist yet |
1417 |
// use default values |
// use default values |
1418 |
LFO3Frequency = 1.0; |
LFO3Frequency = 1.0; |
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, 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 unknown = 0x0000008C; // unknown, always 0x0000008C ? |
const uint32_t chunksize = _3ewa->GetNewSize(); |
1560 |
memcpy(&pData[0], &unknown, 4); |
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); |
1563 |
memcpy(&pData[4], &lfo3freq, 4); |
store32(&pData[4], lfo3freq); |
1564 |
|
|
1565 |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
1566 |
memcpy(&pData[4], &eg3attack, 4); |
store32(&pData[8], eg3attack); |
1567 |
|
|
1568 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1569 |
|
|
1570 |
memcpy(&pData[10], &LFO1InternalDepth, 2); |
store16(&pData[14], LFO1InternalDepth); |
1571 |
|
|
1572 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1573 |
|
|
1574 |
memcpy(&pData[14], &LFO3InternalDepth, 2); |
store16(&pData[18], LFO3InternalDepth); |
1575 |
|
|
1576 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1577 |
|
|
1578 |
memcpy(&pData[18], &LFO1ControlDepth, 2); |
store16(&pData[22], LFO1ControlDepth); |
1579 |
|
|
1580 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1581 |
|
|
1582 |
memcpy(&pData[22], &LFO3ControlDepth, 2); |
store16(&pData[26], LFO3ControlDepth); |
1583 |
|
|
1584 |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
1585 |
memcpy(&pData[24], &eg1attack, 4); |
store32(&pData[28], eg1attack); |
1586 |
|
|
1587 |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
1588 |
memcpy(&pData[28], &eg1decay1, 4); |
store32(&pData[32], eg1decay1); |
1589 |
|
|
1590 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1591 |
|
|
1592 |
memcpy(&pData[34], &EG1Sustain, 2); |
store16(&pData[38], EG1Sustain); |
1593 |
|
|
1594 |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
1595 |
memcpy(&pData[36], &eg1release, 4); |
store32(&pData[40], eg1release); |
1596 |
|
|
1597 |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
1598 |
memcpy(&pData[40], &eg1ctl, 1); |
pData[44] = eg1ctl; |
1599 |
|
|
1600 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1601 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
1602 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1603 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1604 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1605 |
memcpy(&pData[41], &eg1ctrloptions, 1); |
pData[45] = eg1ctrloptions; |
1606 |
|
|
1607 |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
1608 |
memcpy(&pData[42], &eg2ctl, 1); |
pData[46] = eg2ctl; |
1609 |
|
|
1610 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1611 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
1612 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1613 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1614 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1615 |
memcpy(&pData[43], &eg2ctrloptions, 1); |
pData[47] = eg2ctrloptions; |
1616 |
|
|
1617 |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
1618 |
memcpy(&pData[44], &lfo1freq, 4); |
store32(&pData[48], lfo1freq); |
1619 |
|
|
1620 |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
1621 |
memcpy(&pData[48], &eg2attack, 4); |
store32(&pData[52], eg2attack); |
1622 |
|
|
1623 |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
1624 |
memcpy(&pData[52], &eg2decay1, 4); |
store32(&pData[56], eg2decay1); |
1625 |
|
|
1626 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1627 |
|
|
1628 |
memcpy(&pData[58], &EG2Sustain, 2); |
store16(&pData[62], EG2Sustain); |
1629 |
|
|
1630 |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
1631 |
memcpy(&pData[60], &eg2release, 4); |
store32(&pData[64], eg2release); |
1632 |
|
|
1633 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1634 |
|
|
1635 |
memcpy(&pData[66], &LFO2ControlDepth, 2); |
store16(&pData[70], LFO2ControlDepth); |
1636 |
|
|
1637 |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
1638 |
memcpy(&pData[68], &lfo2freq, 4); |
store32(&pData[72], lfo2freq); |
1639 |
|
|
1640 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1641 |
|
|
1642 |
memcpy(&pData[72], &LFO2InternalDepth, 2); |
store16(&pData[78], LFO2InternalDepth); |
1643 |
|
|
1644 |
const int32_t eg1decay2 = (int32_t) (EG1InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG1Decay2); |
const int32_t eg1decay2 = (int32_t) (EG1InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG1Decay2); |
1645 |
memcpy(&pData[74], &eg1decay2, 4); |
store32(&pData[80], eg1decay2); |
1646 |
|
|
1647 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1648 |
|
|
1649 |
memcpy(&pData[80], &EG1PreAttack, 2); |
store16(&pData[86], EG1PreAttack); |
1650 |
|
|
1651 |
const int32_t eg2decay2 = (int32_t) (EG2InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG2Decay2); |
const int32_t eg2decay2 = (int32_t) (EG2InfiniteSustain) ? 0x7fffffff : (int32_t) GIG_EXP_ENCODE(EG2Decay2); |
1652 |
memcpy(&pData[82], &eg2decay2, 4); |
store32(&pData[88], eg2decay2); |
1653 |
|
|
1654 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1655 |
|
|
1656 |
memcpy(&pData[88], &EG2PreAttack, 2); |
store16(&pData[94], EG2PreAttack); |
1657 |
|
|
1658 |
{ |
{ |
1659 |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
1671 |
default: |
default: |
1672 |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
1673 |
} |
} |
1674 |
memcpy(&pData[90], &velocityresponse, 1); |
pData[96] = velocityresponse; |
1675 |
} |
} |
1676 |
|
|
1677 |
{ |
{ |
1690 |
default: |
default: |
1691 |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
1692 |
} |
} |
1693 |
memcpy(&pData[91], &releasevelocityresponse, 1); |
pData[97] = releasevelocityresponse; |
1694 |
} |
} |
1695 |
|
|
1696 |
memcpy(&pData[92], &VelocityResponseCurveScaling, 1); |
pData[98] = VelocityResponseCurveScaling; |
1697 |
|
|
1698 |
memcpy(&pData[93], &AttenuationControllerThreshold, 1); |
pData[99] = AttenuationControllerThreshold; |
1699 |
|
|
1700 |
// next 4 bytes unknown |
// next 4 bytes unknown |
1701 |
|
|
1702 |
memcpy(&pData[98], &SampleStartOffset, 2); |
store16(&pData[104], SampleStartOffset); |
1703 |
|
|
1704 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1705 |
|
|
1718 |
default: |
default: |
1719 |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
1720 |
} |
} |
1721 |
memcpy(&pData[102], &pitchTrackDimensionBypass, 1); |
pData[108] = pitchTrackDimensionBypass; |
1722 |
} |
} |
1723 |
|
|
1724 |
const uint8_t pan = (Pan >= 0) ? Pan : ((-Pan) + 63); // signed 8 bit -> signed 7 bit |
const uint8_t pan = (Pan >= 0) ? Pan : ((-Pan) + 63); // signed 8 bit -> signed 7 bit |
1725 |
memcpy(&pData[103], &pan, 1); |
pData[109] = pan; |
1726 |
|
|
1727 |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
1728 |
memcpy(&pData[104], &selfmask, 1); |
pData[110] = selfmask; |
1729 |
|
|
1730 |
// next byte unknown |
// next byte unknown |
1731 |
|
|
1734 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
1735 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
1736 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
1737 |
memcpy(&pData[106], &lfo3ctrl, 1); |
pData[112] = lfo3ctrl; |
1738 |
} |
} |
1739 |
|
|
1740 |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
1741 |
memcpy(&pData[107], &attenctl, 1); |
pData[113] = attenctl; |
1742 |
|
|
1743 |
{ |
{ |
1744 |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
1745 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
1746 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
1747 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
1748 |
memcpy(&pData[108], &lfo2ctrl, 1); |
pData[114] = lfo2ctrl; |
1749 |
} |
} |
1750 |
|
|
1751 |
{ |
{ |
1754 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
1755 |
if (VCFResonanceController != vcf_res_ctrl_none) |
if (VCFResonanceController != vcf_res_ctrl_none) |
1756 |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
1757 |
memcpy(&pData[109], &lfo1ctrl, 1); |
pData[115] = lfo1ctrl; |
1758 |
} |
} |
1759 |
|
|
1760 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1761 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1762 |
memcpy(&pData[110], &eg3depth, 1); |
pData[116] = eg3depth; |
1763 |
|
|
1764 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1765 |
|
|
1766 |
const uint8_t channeloffset = ChannelOffset * 4; |
const uint8_t channeloffset = ChannelOffset * 4; |
1767 |
memcpy(&pData[113], &channeloffset, 1); |
pData[120] = channeloffset; |
1768 |
|
|
1769 |
{ |
{ |
1770 |
uint8_t regoptions = 0; |
uint8_t regoptions = 0; |
1771 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
1772 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
1773 |
memcpy(&pData[114], ®options, 1); |
pData[121] = regoptions; |
1774 |
} |
} |
1775 |
|
|
1776 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1777 |
|
|
1778 |
memcpy(&pData[117], &VelocityUpperLimit, 1); |
pData[124] = VelocityUpperLimit; |
1779 |
|
|
1780 |
// next 3 bytes unknown |
// next 3 bytes unknown |
1781 |
|
|
1782 |
memcpy(&pData[121], &ReleaseTriggerDecay, 1); |
pData[128] = ReleaseTriggerDecay; |
1783 |
|
|
1784 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1785 |
|
|
1786 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1787 |
memcpy(&pData[124], &eg1hold, 1); |
pData[131] = eg1hold; |
1788 |
|
|
1789 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
1790 |
(VCFCutoff) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1791 |
memcpy(&pData[125], &vcfcutoff, 1); |
pData[132] = vcfcutoff; |
1792 |
|
|
1793 |
memcpy(&pData[126], &VCFCutoffController, 1); |
pData[133] = VCFCutoffController; |
1794 |
|
|
1795 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
1796 |
(VCFVelocityScale) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1797 |
memcpy(&pData[127], &vcfvelscale, 1); |
pData[134] = vcfvelscale; |
1798 |
|
|
1799 |
// next byte unknown |
// next byte unknown |
1800 |
|
|
1801 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
1802 |
(VCFResonance) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
1803 |
memcpy(&pData[129], &vcfresonance, 1); |
pData[136] = vcfresonance; |
1804 |
|
|
1805 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
1806 |
(VCFKeyboardTrackingBreakpoint) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1807 |
memcpy(&pData[130], &vcfbreakpoint, 1); |
pData[137] = vcfbreakpoint; |
1808 |
|
|
1809 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
1810 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
1811 |
memcpy(&pData[131], &vcfvelocity, 1); |
pData[138] = vcfvelocity; |
1812 |
|
|
1813 |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
1814 |
memcpy(&pData[132], &vcftype, 1); |
pData[139] = vcftype; |
1815 |
|
|
1816 |
|
if (chunksize >= 148) { |
1817 |
|
memcpy(&pData[140], DimensionUpperLimits, 8); |
1818 |
|
} |
1819 |
} |
} |
1820 |
|
|
1821 |
// 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 |
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; |
2191 |
pDimensionDefinitions[i].dimension = dimension; |
pDimensionDefinitions[i].dimension = dimension; |
2192 |
pDimensionDefinitions[i].bits = bits; |
pDimensionDefinitions[i].bits = bits; |
2193 |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
2194 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = __resolveSplitType(dimension); |
2195 |
dimension == dimension_samplechannel || |
pDimensionDefinitions[i].zone_size = __resolveZoneSize(pDimensionDefinitions[i]); |
|
dimension == dimension_releasetrigger || |
|
|
dimension == dimension_keyboard || |
|
|
dimension == dimension_roundrobin || |
|
|
dimension == dimension_random) ? split_type_bit |
|
|
: split_type_normal; |
|
|
pDimensionDefinitions[i].zone_size = |
|
|
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128.0 / pDimensionDefinitions[i].zones |
|
|
: 0; |
|
2196 |
Dimensions++; |
Dimensions++; |
2197 |
|
|
2198 |
// if this is a layer dimension, remember the amount of layers |
// if this is a layer dimension, remember the amount of layers |
2215 |
// load sample references |
// load sample references |
2216 |
for (uint i = 0; i < DimensionRegions; i++) { |
for (uint i = 0; i < DimensionRegions; i++) { |
2217 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2218 |
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2219 |
|
} |
2220 |
|
GetSample(); // load global region sample reference |
2221 |
|
} else { |
2222 |
|
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 |
|
|
2247 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
2248 |
*/ |
*/ |
2249 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
2250 |
|
// in the gig format we don't care about the Region's sample reference |
2251 |
|
// but we still have to provide some existing one to not corrupt the |
2252 |
|
// file, so to avoid the latter we simply always assign the sample of |
2253 |
|
// the first dimension region of this region |
2254 |
|
pSample = pDimensionRegions[0]->pSample; |
2255 |
|
|
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); |
2292 |
|
int shift = 0; |
2293 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2294 |
pData[i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2295 |
pData[i * 8 + 1] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2296 |
// next 2 bytes unknown |
pData[6 + i * 8] = shift; |
2297 |
pData[i * 8 + 4] = pDimensionDefinitions[i].zones; |
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2298 |
// next 3 bytes unknown |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2299 |
|
// 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) { |
2317 |
} |
} |
2318 |
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
2319 |
} |
} |
2320 |
memcpy(&pData[iWavePoolOffset + i * 4], &iWaveIndex, 4); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2321 |
} |
} |
2322 |
} |
} |
2323 |
|
|
2357 |
int dim[8] = { 0 }; |
int dim[8] = { 0 }; |
2358 |
for (int i = 0 ; i < DimensionRegions ; i++) { |
for (int i = 0 ; i < DimensionRegions ; i++) { |
2359 |
|
|
2360 |
if (pDimensionRegions[i]->VelocityUpperLimit) { |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
2361 |
|
pDimensionRegions[i]->VelocityUpperLimit) { |
2362 |
// create the velocity table |
// create the velocity table |
2363 |
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
2364 |
if (!table) { |
if (!table) { |
2367 |
} |
} |
2368 |
int tableidx = 0; |
int tableidx = 0; |
2369 |
int velocityZone = 0; |
int velocityZone = 0; |
2370 |
for (int k = i ; k < end ; k += step) { |
if (pDimensionRegions[i]->DimensionUpperLimits[veldim]) { // gig3 |
2371 |
DimensionRegion *d = pDimensionRegions[k]; |
for (int k = i ; k < end ; k += step) { |
2372 |
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
DimensionRegion *d = pDimensionRegions[k]; |
2373 |
velocityZone++; |
for (; tableidx <= d->DimensionUpperLimits[veldim] ; tableidx++) table[tableidx] = velocityZone; |
2374 |
|
velocityZone++; |
2375 |
|
} |
2376 |
|
} else { // gig2 |
2377 |
|
for (int k = i ; k < end ; k += step) { |
2378 |
|
DimensionRegion *d = pDimensionRegions[k]; |
2379 |
|
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
2380 |
|
velocityZone++; |
2381 |
|
} |
2382 |
} |
} |
2383 |
} else { |
} else { |
2384 |
if (pDimensionRegions[i]->VelocityTable) { |
if (pDimensionRegions[i]->VelocityTable) { |
2445 |
// assign definition of new dimension |
// assign definition of new dimension |
2446 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[Dimensions] = *pDimDef; |
2447 |
|
|
2448 |
|
// auto correct certain dimension definition fields (where possible) |
2449 |
|
pDimensionDefinitions[Dimensions].split_type = |
2450 |
|
__resolveSplitType(pDimensionDefinitions[Dimensions].dimension); |
2451 |
|
pDimensionDefinitions[Dimensions].zone_size = |
2452 |
|
__resolveZoneSize(pDimensionDefinitions[Dimensions]); |
2453 |
|
|
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]; |
2606 |
} else { |
} else { |
2607 |
switch (pDimensionDefinitions[i].split_type) { |
switch (pDimensionDefinitions[i].split_type) { |
2608 |
case split_type_normal: |
case split_type_normal: |
2609 |
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
if (pDimensionRegions[0]->DimensionUpperLimits[i]) { |
2610 |
|
// gig3: all normal dimensions (not just the velocity dimension) have custom zone ranges |
2611 |
|
for (bits = 0 ; bits < pDimensionDefinitions[i].zones ; bits++) { |
2612 |
|
if (DimValues[i] <= pDimensionRegions[bits << bitpos]->DimensionUpperLimits[i]) break; |
2613 |
|
} |
2614 |
|
} else { |
2615 |
|
// gig2: evenly sized zones |
2616 |
|
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
2617 |
|
} |
2618 |
break; |
break; |
2619 |
case split_type_bit: // the value is already the sought dimension bit number |
case split_type_bit: // the value is already the sought dimension bit number |
2620 |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
2628 |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
2629 |
if (veldim != -1) { |
if (veldim != -1) { |
2630 |
// (dimreg is now the dimension region for the lowest velocity) |
// (dimreg is now the dimension region for the lowest velocity) |
2631 |
if (dimreg->VelocityUpperLimit) // custom defined zone ranges |
if (dimreg->VelocityTable) // custom defined zone ranges |
2632 |
bits = dimreg->VelocityTable[DimValues[veldim]]; |
bits = dimreg->VelocityTable[DimValues[veldim]]; |
2633 |
else // normal split type |
else // normal split type |
2634 |
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
2676 |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
2677 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
2678 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
2679 |
|
if (!file->pWavePoolTable) return NULL; |
2680 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
2681 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
2682 |
Sample* sample = file->GetFirstSample(pProgress); |
Sample* sample = file->GetFirstSample(pProgress); |
2683 |
while (sample) { |
while (sample) { |
2684 |
if (sample->ulWavePoolOffset == soughtoffset && |
if (sample->ulWavePoolOffset == soughtoffset && |
2685 |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(pSample = sample); |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
2686 |
sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
2687 |
} |
} |
2688 |
return NULL; |
return NULL; |
2694 |
// * |
// * |
2695 |
|
|
2696 |
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) { |
2697 |
|
static const DLS::Info::FixedStringLength fixedStringLengths[] = { |
2698 |
|
{ CHUNK_ID_INAM, 64 }, |
2699 |
|
{ CHUNK_ID_ISFT, 12 }, |
2700 |
|
{ 0, 0 } |
2701 |
|
}; |
2702 |
|
pInfo->FixedStringLengths = fixedStringLengths; |
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); |
2788 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
2789 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
2790 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
2791 |
memcpy(&pData[0], &EffectSend, 2); |
store16(&pData[0], EffectSend); |
2792 |
memcpy(&pData[2], &Attenuation, 4); |
store32(&pData[2], Attenuation); |
2793 |
memcpy(&pData[6], &FineTune, 2); |
store16(&pData[6], FineTune); |
2794 |
memcpy(&pData[8], &PitchbendRange, 2); |
store16(&pData[8], PitchbendRange); |
2795 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
2796 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
2797 |
memcpy(&pData[10], &dimkeystart, 1); |
pData[10] = dimkeystart; |
2798 |
memcpy(&pData[11], &DimensionKeyRange.high, 1); |
pData[11] = DimensionKeyRange.high; |
2799 |
} |
} |
2800 |
|
|
2801 |
/** |
/** |
2866 |
|
|
2867 |
|
|
2868 |
|
|
2869 |
|
// *************** Group *************** |
2870 |
|
// * |
2871 |
|
|
2872 |
|
/** @brief Constructor. |
2873 |
|
* |
2874 |
|
* @param file - pointer to the gig::File object |
2875 |
|
* @param ck3gnm - pointer to 3gnm chunk associated with this group or |
2876 |
|
* NULL if this is a new Group |
2877 |
|
*/ |
2878 |
|
Group::Group(File* file, RIFF::Chunk* ck3gnm) { |
2879 |
|
pFile = file; |
2880 |
|
pNameChunk = ck3gnm; |
2881 |
|
::LoadString(pNameChunk, Name); |
2882 |
|
} |
2883 |
|
|
2884 |
|
Group::~Group() { |
2885 |
|
// remove the chunk associated with this group (if any) |
2886 |
|
if (pNameChunk) pNameChunk->GetParent()->DeleteSubChunk(pNameChunk); |
2887 |
|
} |
2888 |
|
|
2889 |
|
/** @brief Update chunks with current group settings. |
2890 |
|
* |
2891 |
|
* Apply current Group field values to the respective chunks. You have |
2892 |
|
* to call File::Save() to make changes persistent. |
2893 |
|
* |
2894 |
|
* Usually there is absolutely no need to call this method explicitly. |
2895 |
|
* It will be called automatically when File::Save() was called. |
2896 |
|
*/ |
2897 |
|
void Group::UpdateChunks() { |
2898 |
|
// make sure <3gri> and <3gnl> list chunks exist |
2899 |
|
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
2900 |
|
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); |
2905 |
|
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 |
2907 |
|
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
2908 |
|
} |
2909 |
|
|
2910 |
|
/** |
2911 |
|
* Returns the first Sample of this Group. You have to call this method |
2912 |
|
* once before you use GetNextSample(). |
2913 |
|
* |
2914 |
|
* <b>Notice:</b> this method might block for a long time, in case the |
2915 |
|
* samples of this .gig file were not scanned yet |
2916 |
|
* |
2917 |
|
* @returns pointer address to first Sample or NULL if there is none |
2918 |
|
* applied to this Group |
2919 |
|
* @see GetNextSample() |
2920 |
|
*/ |
2921 |
|
Sample* Group::GetFirstSample() { |
2922 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2923 |
|
for (Sample* pSample = pFile->GetFirstSample(); pSample; pSample = pFile->GetNextSample()) { |
2924 |
|
if (pSample->GetGroup() == this) return pSample; |
2925 |
|
} |
2926 |
|
return NULL; |
2927 |
|
} |
2928 |
|
|
2929 |
|
/** |
2930 |
|
* Returns the next Sample of the Group. You have to call |
2931 |
|
* GetFirstSample() once before you can use this method. By calling this |
2932 |
|
* method multiple times it iterates through the Samples assigned to |
2933 |
|
* this Group. |
2934 |
|
* |
2935 |
|
* @returns pointer address to the next Sample of this Group or NULL if |
2936 |
|
* end reached |
2937 |
|
* @see GetFirstSample() |
2938 |
|
*/ |
2939 |
|
Sample* Group::GetNextSample() { |
2940 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
2941 |
|
for (Sample* pSample = pFile->GetNextSample(); pSample; pSample = pFile->GetNextSample()) { |
2942 |
|
if (pSample->GetGroup() == this) return pSample; |
2943 |
|
} |
2944 |
|
return NULL; |
2945 |
|
} |
2946 |
|
|
2947 |
|
/** |
2948 |
|
* Move Sample given by \a pSample from another Group to this Group. |
2949 |
|
*/ |
2950 |
|
void Group::AddSample(Sample* pSample) { |
2951 |
|
pSample->pGroup = this; |
2952 |
|
} |
2953 |
|
|
2954 |
|
/** |
2955 |
|
* Move all members of this group to another group (preferably the 1st |
2956 |
|
* one except this). This method is called explicitly by |
2957 |
|
* File::DeleteGroup() thus when a Group was deleted. This code was |
2958 |
|
* intentionally not placed in the destructor! |
2959 |
|
*/ |
2960 |
|
void Group::MoveAll() { |
2961 |
|
// get "that" other group first |
2962 |
|
Group* pOtherGroup = NULL; |
2963 |
|
for (pOtherGroup = pFile->GetFirstGroup(); pOtherGroup; pOtherGroup = pFile->GetNextGroup()) { |
2964 |
|
if (pOtherGroup != this) break; |
2965 |
|
} |
2966 |
|
if (!pOtherGroup) throw Exception( |
2967 |
|
"Could not move samples to another group, since there is no " |
2968 |
|
"other Group. This is a bug, report it!" |
2969 |
|
); |
2970 |
|
// now move all samples of this group to the other group |
2971 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
2972 |
|
pOtherGroup->AddSample(pSample); |
2973 |
|
} |
2974 |
|
} |
2975 |
|
|
2976 |
|
|
2977 |
|
|
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[] = { |
2992 |
|
{ CHUNK_ID_IARL, 256 }, |
2993 |
|
{ CHUNK_ID_IART, 128 }, |
2994 |
|
{ CHUNK_ID_ICMS, 128 }, |
2995 |
|
{ CHUNK_ID_ICMT, 1024 }, |
2996 |
|
{ CHUNK_ID_ICOP, 128 }, |
2997 |
|
{ CHUNK_ID_ICRD, 128 }, |
2998 |
|
{ CHUNK_ID_IENG, 128 }, |
2999 |
|
{ CHUNK_ID_IGNR, 128 }, |
3000 |
|
{ CHUNK_ID_IKEY, 128 }, |
3001 |
|
{ CHUNK_ID_IMED, 128 }, |
3002 |
|
{ CHUNK_ID_INAM, 128 }, |
3003 |
|
{ CHUNK_ID_IPRD, 128 }, |
3004 |
|
{ CHUNK_ID_ISBJ, 128 }, |
3005 |
|
{ CHUNK_ID_ISFT, 128 }, |
3006 |
|
{ CHUNK_ID_ISRC, 128 }, |
3007 |
|
{ CHUNK_ID_ISRF, 128 }, |
3008 |
|
{ CHUNK_ID_ITCH, 128 }, |
3009 |
|
{ 0, 0 } |
3010 |
|
}; |
3011 |
|
|
3012 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3013 |
|
pGroups = NULL; |
3014 |
|
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) { |
3027 |
|
pGroups = NULL; |
3028 |
|
pInfo->FixedStringLengths = FixedStringLengths; |
3029 |
|
} |
3030 |
|
|
3031 |
|
File::~File() { |
3032 |
|
if (pGroups) { |
3033 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
3034 |
|
std::list<Group*>::iterator end = pGroups->end(); |
3035 |
|
while (iter != end) { |
3036 |
|
delete *iter; |
3037 |
|
++iter; |
3038 |
|
} |
3039 |
|
delete pGroups; |
3040 |
|
} |
3041 |
} |
} |
3042 |
|
|
3043 |
Sample* File::GetFirstSample(progress_t* pProgress) { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
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 |
} |
} |
3088 |
if (!pSamples || !pSamples->size()) throw gig::Exception("Could not delete sample as there are no samples"); |
if (!pSamples || !pSamples->size()) throw gig::Exception("Could not delete sample as there are no samples"); |
3089 |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
3090 |
if (iter == pSamples->end()) throw gig::Exception("Could not delete sample, could not find given sample"); |
if (iter == pSamples->end()) throw gig::Exception("Could not delete sample, could not find given sample"); |
3091 |
|
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
3092 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3093 |
delete pSample; |
delete pSample; |
3094 |
} |
} |
3098 |
} |
} |
3099 |
|
|
3100 |
void File::LoadSamples(progress_t* pProgress) { |
void File::LoadSamples(progress_t* pProgress) { |
3101 |
|
// Groups must be loaded before samples, because samples will try |
3102 |
|
// to resolve the group they belong to |
3103 |
|
if (!pGroups) LoadGroups(); |
3104 |
|
|
3105 |
if (!pSamples) pSamples = new SampleList; |
if (!pSamples) pSamples = new SampleList; |
3106 |
|
|
3107 |
RIFF::File* file = pRIFF; |
RIFF::File* file = pRIFF; |
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 |
} |
} |
3237 |
* have to call Save() to make this persistent to the file. |
* have to call Save() to make this persistent to the file. |
3238 |
* |
* |
3239 |
* @param pInstrument - instrument to delete |
* @param pInstrument - instrument to delete |
3240 |
* @throws gig::Excption if given instrument could not be found |
* @throws gig::Exception if given instrument could not be found |
3241 |
*/ |
*/ |
3242 |
void File::DeleteInstrument(Instrument* pInstrument) { |
void File::DeleteInstrument(Instrument* pInstrument) { |
3243 |
if (!pInstruments) throw gig::Exception("Could not delete instrument as there are no instruments"); |
if (!pInstruments) throw gig::Exception("Could not delete instrument as there are no instruments"); |
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() { |
3307 |
|
if (!pGroups) LoadGroups(); |
3308 |
|
// there must always be at least one group |
3309 |
|
GroupsIterator = pGroups->begin(); |
3310 |
|
return *GroupsIterator; |
3311 |
|
} |
3312 |
|
|
3313 |
|
Group* File::GetNextGroup() { |
3314 |
|
if (!pGroups) return NULL; |
3315 |
|
++GroupsIterator; |
3316 |
|
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
3317 |
|
} |
3318 |
|
|
3319 |
|
/** |
3320 |
|
* Returns the group with the given index. |
3321 |
|
* |
3322 |
|
* @param index - number of the sought group (0..n) |
3323 |
|
* @returns sought group or NULL if there's no such group |
3324 |
|
*/ |
3325 |
|
Group* File::GetGroup(uint index) { |
3326 |
|
if (!pGroups) LoadGroups(); |
3327 |
|
GroupsIterator = pGroups->begin(); |
3328 |
|
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
3329 |
|
if (i == index) return *GroupsIterator; |
3330 |
|
++GroupsIterator; |
3331 |
|
} |
3332 |
|
return NULL; |
3333 |
|
} |
3334 |
|
|
3335 |
|
Group* File::AddGroup() { |
3336 |
|
if (!pGroups) LoadGroups(); |
3337 |
|
// there must always be at least one group |
3338 |
|
__ensureMandatoryChunksExist(); |
3339 |
|
Group* pGroup = new Group(this, NULL); |
3340 |
|
pGroups->push_back(pGroup); |
3341 |
|
return pGroup; |
3342 |
|
} |
3343 |
|
|
3344 |
|
/** @brief Delete a group and its samples. |
3345 |
|
* |
3346 |
|
* This will delete the given Group object and all the samples that |
3347 |
|
* belong to this group from the gig file. You have to call Save() to |
3348 |
|
* make this persistent to the file. |
3349 |
|
* |
3350 |
|
* @param pGroup - group to delete |
3351 |
|
* @throws gig::Exception if given group could not be found |
3352 |
|
*/ |
3353 |
|
void File::DeleteGroup(Group* pGroup) { |
3354 |
|
if (!pGroups) LoadGroups(); |
3355 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3356 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3357 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3358 |
|
// delete all members of this group |
3359 |
|
for (Sample* pSample = pGroup->GetFirstSample(); pSample; pSample = pGroup->GetNextSample()) { |
3360 |
|
DeleteSample(pSample); |
3361 |
|
} |
3362 |
|
// now delete this group object |
3363 |
|
pGroups->erase(iter); |
3364 |
|
delete pGroup; |
3365 |
|
} |
3366 |
|
|
3367 |
|
/** @brief Delete a group. |
3368 |
|
* |
3369 |
|
* This will delete the given Group object from the gig file. All the |
3370 |
|
* samples that belong to this group will not be deleted, but instead |
3371 |
|
* be moved to another group. You have to call Save() to make this |
3372 |
|
* persistent to the file. |
3373 |
|
* |
3374 |
|
* @param pGroup - group to delete |
3375 |
|
* @throws gig::Exception if given group could not be found |
3376 |
|
*/ |
3377 |
|
void File::DeleteGroupOnly(Group* pGroup) { |
3378 |
|
if (!pGroups) LoadGroups(); |
3379 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3380 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3381 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3382 |
|
// move all members of this group to another group |
3383 |
|
pGroup->MoveAll(); |
3384 |
|
pGroups->erase(iter); |
3385 |
|
delete pGroup; |
3386 |
|
} |
3387 |
|
|
3388 |
|
void File::LoadGroups() { |
3389 |
|
if (!pGroups) pGroups = new std::list<Group*>; |
3390 |
|
// try to read defined groups from file |
3391 |
|
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
3392 |
|
if (lst3gri) { |
3393 |
|
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
3394 |
|
if (lst3gnl) { |
3395 |
|
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3396 |
|
while (ck) { |
3397 |
|
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3398 |
|
pGroups->push_back(new Group(this, ck)); |
3399 |
|
} |
3400 |
|
ck = lst3gnl->GetNextSubChunk(); |
3401 |
|
} |
3402 |
|
} |
3403 |
|
} |
3404 |
|
// if there were no group(s), create at least the mandatory default group |
3405 |
|
if (!pGroups->size()) { |
3406 |
|
Group* pGroup = new Group(this, NULL); |
3407 |
|
pGroup->Name = "Default Group"; |
3408 |
|
pGroups->push_back(pGroup); |
3409 |
|
} |
3410 |
|
} |
3411 |
|
|
3412 |
|
/** |
3413 |
|
* Apply all the gig file's current instruments, samples, groups and settings |
3414 |
|
* to the respective RIFF chunks. You have to call Save() to make changes |
3415 |
|
* persistent. |
3416 |
|
* |
3417 |
|
* Usually there is absolutely no need to call this method explicitly. |
3418 |
|
* It will be called automatically when File::Save() was called. |
3419 |
|
* |
3420 |
|
* @throws Exception - on errors |
3421 |
|
*/ |
3422 |
|
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 |
3428 |
|
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 |
3441 |
|
if (pGroups) { |
3442 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
3443 |
|
std::list<Group*>::iterator end = pGroups->end(); |
3444 |
|
for (; iter != end; ++iter) { |
3445 |
|
(*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 |
|
|
3570 |
|
|
3571 |
// *************** Exception *************** |
// *************** Exception *************** |