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) 2003-2009 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 * |
25 |
|
|
26 |
#include "helper.h" |
#include "helper.h" |
27 |
|
|
28 |
|
#include <algorithm> |
29 |
#include <math.h> |
#include <math.h> |
30 |
#include <iostream> |
#include <iostream> |
31 |
|
|
52 |
|
|
53 |
namespace gig { |
namespace gig { |
54 |
|
|
|
// *************** dimension_def_t *************** |
|
|
// * |
|
|
|
|
|
dimension_def_t& dimension_def_t::operator=(const dimension_def_t& arg) { |
|
|
dimension = arg.dimension; |
|
|
bits = arg.bits; |
|
|
zones = arg.zones; |
|
|
split_type = arg.split_type; |
|
|
ranges = arg.ranges; |
|
|
zone_size = arg.zone_size; |
|
|
if (ranges) { |
|
|
ranges = new range_t[zones]; |
|
|
for (int i = 0; i < zones; i++) |
|
|
ranges[i] = arg.ranges[i]; |
|
|
} |
|
|
return *this; |
|
|
} |
|
|
|
|
|
|
|
|
|
|
55 |
// *************** progress_t *************** |
// *************** progress_t *************** |
56 |
// * |
// * |
57 |
|
|
112 |
return x & 0x800000 ? x - 0x1000000 : x; |
return x & 0x800000 ? x - 0x1000000 : x; |
113 |
} |
} |
114 |
|
|
115 |
|
inline void store24(unsigned char* pDst, int x) |
116 |
|
{ |
117 |
|
pDst[0] = x; |
118 |
|
pDst[1] = x >> 8; |
119 |
|
pDst[2] = x >> 16; |
120 |
|
} |
121 |
|
|
122 |
void Decompress16(int compressionmode, const unsigned char* params, |
void Decompress16(int compressionmode, const unsigned char* params, |
123 |
int srcStep, int dstStep, |
int srcStep, int dstStep, |
124 |
const unsigned char* pSrc, int16_t* pDst, |
const unsigned char* pSrc, int16_t* pDst, |
158 |
} |
} |
159 |
|
|
160 |
void Decompress24(int compressionmode, const unsigned char* params, |
void Decompress24(int compressionmode, const unsigned char* params, |
161 |
int dstStep, const unsigned char* pSrc, int16_t* pDst, |
int dstStep, const unsigned char* pSrc, uint8_t* pDst, |
162 |
unsigned long currentframeoffset, |
unsigned long currentframeoffset, |
163 |
unsigned long copysamples, int truncatedBits) |
unsigned long copysamples, int truncatedBits) |
164 |
{ |
{ |
|
// Note: The 24 bits are truncated to 16 bits for now. |
|
|
|
|
165 |
int y, dy, ddy, dddy; |
int y, dy, ddy, dddy; |
|
const int shift = 8 - truncatedBits; |
|
166 |
|
|
167 |
#define GET_PARAMS(params) \ |
#define GET_PARAMS(params) \ |
168 |
y = get24(params); \ |
y = get24(params); \ |
178 |
|
|
179 |
#define COPY_ONE(x) \ |
#define COPY_ONE(x) \ |
180 |
SKIP_ONE(x); \ |
SKIP_ONE(x); \ |
181 |
*pDst = y >> shift; \ |
store24(pDst, y << truncatedBits); \ |
182 |
pDst += dstStep |
pDst += dstStep |
183 |
|
|
184 |
switch (compressionmode) { |
switch (compressionmode) { |
185 |
case 2: // 24 bit uncompressed |
case 2: // 24 bit uncompressed |
186 |
pSrc += currentframeoffset * 3; |
pSrc += currentframeoffset * 3; |
187 |
while (copysamples) { |
while (copysamples) { |
188 |
*pDst = get24(pSrc) >> shift; |
store24(pDst, get24(pSrc) << truncatedBits); |
189 |
pDst += dstStep; |
pDst += dstStep; |
190 |
pSrc += 3; |
pSrc += 3; |
191 |
copysamples--; |
copysamples--; |
255 |
} |
} |
256 |
|
|
257 |
|
|
258 |
|
|
259 |
|
// *************** Internal CRC-32 (Cyclic Redundancy Check) functions *************** |
260 |
|
// * |
261 |
|
|
262 |
|
static uint32_t* __initCRCTable() { |
263 |
|
static uint32_t res[256]; |
264 |
|
|
265 |
|
for (int i = 0 ; i < 256 ; i++) { |
266 |
|
uint32_t c = i; |
267 |
|
for (int j = 0 ; j < 8 ; j++) { |
268 |
|
c = (c & 1) ? 0xedb88320 ^ (c >> 1) : c >> 1; |
269 |
|
} |
270 |
|
res[i] = c; |
271 |
|
} |
272 |
|
return res; |
273 |
|
} |
274 |
|
|
275 |
|
static const uint32_t* __CRCTable = __initCRCTable(); |
276 |
|
|
277 |
|
/** |
278 |
|
* Initialize a CRC variable. |
279 |
|
* |
280 |
|
* @param crc - variable to be initialized |
281 |
|
*/ |
282 |
|
inline static void __resetCRC(uint32_t& crc) { |
283 |
|
crc = 0xffffffff; |
284 |
|
} |
285 |
|
|
286 |
|
/** |
287 |
|
* Used to calculate checksums of the sample data in a gig file. The |
288 |
|
* checksums are stored in the 3crc chunk of the gig file and |
289 |
|
* automatically updated when a sample is written with Sample::Write(). |
290 |
|
* |
291 |
|
* One should call __resetCRC() to initialize the CRC variable to be |
292 |
|
* used before calling this function the first time. |
293 |
|
* |
294 |
|
* After initializing the CRC variable one can call this function |
295 |
|
* arbitrary times, i.e. to split the overall CRC calculation into |
296 |
|
* steps. |
297 |
|
* |
298 |
|
* Once the whole data was processed by __calculateCRC(), one should |
299 |
|
* call __encodeCRC() to get the final CRC result. |
300 |
|
* |
301 |
|
* @param buf - pointer to data the CRC shall be calculated of |
302 |
|
* @param bufSize - size of the data to be processed |
303 |
|
* @param crc - variable the CRC sum shall be stored to |
304 |
|
*/ |
305 |
|
static void __calculateCRC(unsigned char* buf, int bufSize, uint32_t& crc) { |
306 |
|
for (int i = 0 ; i < bufSize ; i++) { |
307 |
|
crc = __CRCTable[(crc ^ buf[i]) & 0xff] ^ (crc >> 8); |
308 |
|
} |
309 |
|
} |
310 |
|
|
311 |
|
/** |
312 |
|
* Returns the final CRC result. |
313 |
|
* |
314 |
|
* @param crc - variable previously passed to __calculateCRC() |
315 |
|
*/ |
316 |
|
inline static uint32_t __encodeCRC(const uint32_t& crc) { |
317 |
|
return crc ^ 0xffffffff; |
318 |
|
} |
319 |
|
|
320 |
|
|
321 |
|
|
322 |
|
// *************** Other Internal functions *************** |
323 |
|
// * |
324 |
|
|
325 |
|
static split_type_t __resolveSplitType(dimension_t dimension) { |
326 |
|
return ( |
327 |
|
dimension == dimension_layer || |
328 |
|
dimension == dimension_samplechannel || |
329 |
|
dimension == dimension_releasetrigger || |
330 |
|
dimension == dimension_keyboard || |
331 |
|
dimension == dimension_roundrobin || |
332 |
|
dimension == dimension_random || |
333 |
|
dimension == dimension_smartmidi || |
334 |
|
dimension == dimension_roundrobinkeyboard |
335 |
|
) ? split_type_bit : split_type_normal; |
336 |
|
} |
337 |
|
|
338 |
|
static int __resolveZoneSize(dimension_def_t& dimension_definition) { |
339 |
|
return (dimension_definition.split_type == split_type_normal) |
340 |
|
? int(128.0 / dimension_definition.zones) : 0; |
341 |
|
} |
342 |
|
|
343 |
|
|
344 |
|
|
345 |
// *************** Sample *************** |
// *************** Sample *************** |
346 |
// * |
// * |
347 |
|
|
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::string_length_t fixedStringLengths[] = { |
371 |
|
{ CHUNK_ID_INAM, 64 }, |
372 |
|
{ 0, 0 } |
373 |
|
}; |
374 |
|
pInfo->SetFixedStringLengths(fixedStringLengths); |
375 |
Instances++; |
Instances++; |
376 |
FileNo = fileNo; |
FileNo = fileNo; |
377 |
|
|
378 |
|
__resetCRC(crc); |
379 |
|
|
380 |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = waveList->GetSubChunk(CHUNK_ID_3GIX); |
381 |
if (pCk3gix) { |
if (pCk3gix) { |
382 |
SampleGroup = pCk3gix->ReadInt16(); |
uint16_t iSampleGroup = pCk3gix->ReadInt16(); |
383 |
|
pGroup = pFile->GetGroup(iSampleGroup); |
384 |
} else { // '3gix' chunk missing |
} else { // '3gix' chunk missing |
385 |
// use default value(s) |
// by default assigned to that mandatory "Default Group" |
386 |
SampleGroup = 0; |
pGroup = pFile->GetGroup(0); |
387 |
} |
} |
388 |
|
|
389 |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = waveList->GetSubChunk(CHUNK_ID_SMPL); |
407 |
// use default values |
// use default values |
408 |
Manufacturer = 0; |
Manufacturer = 0; |
409 |
Product = 0; |
Product = 0; |
410 |
SamplePeriod = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
411 |
MIDIUnityNote = 64; |
MIDIUnityNote = 60; |
412 |
FineTune = 0; |
FineTune = 0; |
413 |
|
SMPTEFormat = smpte_format_no_offset; |
414 |
SMPTEOffset = 0; |
SMPTEOffset = 0; |
415 |
Loops = 0; |
Loops = 0; |
416 |
LoopID = 0; |
LoopID = 0; |
417 |
|
LoopType = loop_type_normal; |
418 |
LoopStart = 0; |
LoopStart = 0; |
419 |
LoopEnd = 0; |
LoopEnd = 0; |
420 |
LoopFraction = 0; |
LoopFraction = 0; |
450 |
} |
} |
451 |
FrameOffset = 0; // just for streaming compressed samples |
FrameOffset = 0; // just for streaming compressed samples |
452 |
|
|
453 |
LoopSize = LoopEnd - LoopStart; |
LoopSize = LoopEnd - LoopStart + 1; |
454 |
} |
} |
455 |
|
|
456 |
/** |
/** |
460 |
* Usually there is absolutely no need to call this method explicitly. |
* Usually there is absolutely no need to call this method explicitly. |
461 |
* It will be called automatically when File::Save() was called. |
* It will be called automatically when File::Save() was called. |
462 |
* |
* |
463 |
* @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 |
464 |
* was provided yet |
* was provided yet |
465 |
* @throws gig::Exception if there is any invalid sample setting |
* @throws gig::Exception if there is any invalid sample setting |
466 |
*/ |
*/ |
470 |
|
|
471 |
// make sure 'smpl' chunk exists |
// make sure 'smpl' chunk exists |
472 |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
pCkSmpl = pWaveList->GetSubChunk(CHUNK_ID_SMPL); |
473 |
if (!pCkSmpl) pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
if (!pCkSmpl) { |
474 |
|
pCkSmpl = pWaveList->AddSubChunk(CHUNK_ID_SMPL, 60); |
475 |
|
memset(pCkSmpl->LoadChunkData(), 0, 60); |
476 |
|
} |
477 |
// update 'smpl' chunk |
// update 'smpl' chunk |
478 |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkSmpl->LoadChunkData(); |
479 |
SamplePeriod = 1 / SamplesPerSecond; |
SamplePeriod = uint32_t(1000000000.0 / SamplesPerSecond + 0.5); |
480 |
memcpy(&pData[0], &Manufacturer, 4); |
store32(&pData[0], Manufacturer); |
481 |
memcpy(&pData[4], &Product, 4); |
store32(&pData[4], Product); |
482 |
memcpy(&pData[8], &SamplePeriod, 4); |
store32(&pData[8], SamplePeriod); |
483 |
memcpy(&pData[12], &MIDIUnityNote, 4); |
store32(&pData[12], MIDIUnityNote); |
484 |
memcpy(&pData[16], &FineTune, 4); |
store32(&pData[16], FineTune); |
485 |
memcpy(&pData[20], &SMPTEFormat, 4); |
store32(&pData[20], SMPTEFormat); |
486 |
memcpy(&pData[24], &SMPTEOffset, 4); |
store32(&pData[24], SMPTEOffset); |
487 |
memcpy(&pData[28], &Loops, 4); |
store32(&pData[28], Loops); |
488 |
|
|
489 |
// we skip 'manufByt' for now (4 bytes) |
// we skip 'manufByt' for now (4 bytes) |
490 |
|
|
491 |
memcpy(&pData[36], &LoopID, 4); |
store32(&pData[36], LoopID); |
492 |
memcpy(&pData[40], &LoopType, 4); |
store32(&pData[40], LoopType); |
493 |
memcpy(&pData[44], &LoopStart, 4); |
store32(&pData[44], LoopStart); |
494 |
memcpy(&pData[48], &LoopEnd, 4); |
store32(&pData[48], LoopEnd); |
495 |
memcpy(&pData[52], &LoopFraction, 4); |
store32(&pData[52], LoopFraction); |
496 |
memcpy(&pData[56], &LoopPlayCount, 4); |
store32(&pData[56], LoopPlayCount); |
497 |
|
|
498 |
// make sure '3gix' chunk exists |
// make sure '3gix' chunk exists |
499 |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
pCk3gix = pWaveList->GetSubChunk(CHUNK_ID_3GIX); |
500 |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
if (!pCk3gix) pCk3gix = pWaveList->AddSubChunk(CHUNK_ID_3GIX, 4); |
501 |
|
// determine appropriate sample group index (to be stored in chunk) |
502 |
|
uint16_t iSampleGroup = 0; // 0 refers to default sample group |
503 |
|
File* pFile = static_cast<File*>(pParent); |
504 |
|
if (pFile->pGroups) { |
505 |
|
std::list<Group*>::iterator iter = pFile->pGroups->begin(); |
506 |
|
std::list<Group*>::iterator end = pFile->pGroups->end(); |
507 |
|
for (int i = 0; iter != end; i++, iter++) { |
508 |
|
if (*iter == pGroup) { |
509 |
|
iSampleGroup = i; |
510 |
|
break; // found |
511 |
|
} |
512 |
|
} |
513 |
|
} |
514 |
// update '3gix' chunk |
// update '3gix' chunk |
515 |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
pData = (uint8_t*) pCk3gix->LoadChunkData(); |
516 |
memcpy(&pData[0], &SampleGroup, 2); |
store16(&pData[0], iSampleGroup); |
517 |
} |
} |
518 |
|
|
519 |
/// 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). |
677 |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal; |
678 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
679 |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize; |
680 |
|
SetPos(0); // reset read position to begin of sample |
681 |
RAMCache.pStart = new int8_t[allocationsize]; |
RAMCache.pStart = new int8_t[allocationsize]; |
682 |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
RAMCache.Size = Read(RAMCache.pStart, SampleCount) * this->FrameSize; |
683 |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
RAMCache.NullExtensionSize = allocationsize - RAMCache.Size; |
715 |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart; |
716 |
RAMCache.pStart = NULL; |
RAMCache.pStart = NULL; |
717 |
RAMCache.Size = 0; |
RAMCache.Size = 0; |
718 |
|
RAMCache.NullExtensionSize = 0; |
719 |
} |
} |
720 |
|
|
721 |
/** @brief Resize sample. |
/** @brief Resize sample. |
736 |
* enlarged samples before calling File::Save() as this might exceed the |
* enlarged samples before calling File::Save() as this might exceed the |
737 |
* current sample's boundary! |
* current sample's boundary! |
738 |
* |
* |
739 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
740 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
741 |
* other formats will fail! |
* other formats will fail! |
742 |
* |
* |
743 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
744 |
* greater than zero) |
* greater than zero) |
745 |
* @throws DLS::Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws DLS::Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
746 |
* or if \a iNewSize is less than 1 |
* or if \a iNewSize is less than 1 |
747 |
* @throws gig::Exception if existing sample is compressed |
* @throws gig::Exception if existing sample is compressed |
748 |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
* @see DLS::Sample::GetSize(), DLS::Sample::FrameSize, |
842 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
843 |
* @param pPlaybackState will be used to store and reload the playback |
* @param pPlaybackState will be used to store and reload the playback |
844 |
* state for the next ReadAndLoop() call |
* state for the next ReadAndLoop() call |
845 |
|
* @param pDimRgn dimension region with looping information |
846 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
847 |
* @returns number of successfully read sample points |
* @returns number of successfully read sample points |
848 |
* @see CreateDecompressionBuffer() |
* @see CreateDecompressionBuffer() |
849 |
*/ |
*/ |
850 |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, buffer_t* pExternalDecompressionBuffer) { |
unsigned long Sample::ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, |
851 |
|
DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer) { |
852 |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
unsigned long samplestoread = SampleCount, totalreadsamples = 0, readsamples, samplestoloopend; |
853 |
uint8_t* pDst = (uint8_t*) pBuffer; |
uint8_t* pDst = (uint8_t*) pBuffer; |
854 |
|
|
855 |
SetPos(pPlaybackState->position); // recover position from the last time |
SetPos(pPlaybackState->position); // recover position from the last time |
856 |
|
|
857 |
if (this->Loops && GetPos() <= this->LoopEnd) { // honor looping if there are loop points defined |
if (pDimRgn->SampleLoops) { // honor looping if there are loop points defined |
858 |
|
|
859 |
switch (this->LoopType) { |
const DLS::sample_loop_t& loop = pDimRgn->pSampleLoops[0]; |
860 |
|
const uint32_t loopEnd = loop.LoopStart + loop.LoopLength; |
861 |
|
|
862 |
case loop_type_bidirectional: { //TODO: not tested yet! |
if (GetPos() <= loopEnd) { |
863 |
do { |
switch (loop.LoopType) { |
|
// if not endless loop check if max. number of loop cycles have been passed |
|
|
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
|
|
|
|
|
if (!pPlaybackState->reverse) { // forward playback |
|
|
do { |
|
|
samplestoloopend = this->LoopEnd - GetPos(); |
|
|
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
|
|
samplestoread -= readsamples; |
|
|
totalreadsamples += readsamples; |
|
|
if (readsamples == samplestoloopend) { |
|
|
pPlaybackState->reverse = true; |
|
|
break; |
|
|
} |
|
|
} while (samplestoread && readsamples); |
|
|
} |
|
|
else { // backward playback |
|
864 |
|
|
865 |
// as we can only read forward from disk, we have to |
case loop_type_bidirectional: { //TODO: not tested yet! |
866 |
// determine the end position within the loop first, |
do { |
867 |
// read forward from that 'end' and finally after |
// if not endless loop check if max. number of loop cycles have been passed |
868 |
// reading, swap all sample frames so it reflects |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
869 |
// backward playback |
|
870 |
|
if (!pPlaybackState->reverse) { // forward playback |
871 |
unsigned long swapareastart = totalreadsamples; |
do { |
872 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
samplestoloopend = loopEnd - GetPos(); |
873 |
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
874 |
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
samplestoread -= readsamples; |
875 |
|
totalreadsamples += readsamples; |
876 |
SetPos(reverseplaybackend); |
if (readsamples == samplestoloopend) { |
877 |
|
pPlaybackState->reverse = true; |
878 |
// read samples for backward playback |
break; |
879 |
do { |
} |
880 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
881 |
samplestoreadinloop -= readsamples; |
} |
882 |
samplestoread -= readsamples; |
else { // backward playback |
|
totalreadsamples += readsamples; |
|
|
} while (samplestoreadinloop && readsamples); |
|
883 |
|
|
884 |
SetPos(reverseplaybackend); // pretend we really read backwards |
// as we can only read forward from disk, we have to |
885 |
|
// determine the end position within the loop first, |
886 |
|
// read forward from that 'end' and finally after |
887 |
|
// reading, swap all sample frames so it reflects |
888 |
|
// backward playback |
889 |
|
|
890 |
|
unsigned long swapareastart = totalreadsamples; |
891 |
|
unsigned long loopoffset = GetPos() - loop.LoopStart; |
892 |
|
unsigned long samplestoreadinloop = Min(samplestoread, loopoffset); |
893 |
|
unsigned long reverseplaybackend = GetPos() - samplestoreadinloop; |
894 |
|
|
895 |
|
SetPos(reverseplaybackend); |
896 |
|
|
897 |
|
// read samples for backward playback |
898 |
|
do { |
899 |
|
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], samplestoreadinloop, pExternalDecompressionBuffer); |
900 |
|
samplestoreadinloop -= readsamples; |
901 |
|
samplestoread -= readsamples; |
902 |
|
totalreadsamples += readsamples; |
903 |
|
} while (samplestoreadinloop && readsamples); |
904 |
|
|
905 |
|
SetPos(reverseplaybackend); // pretend we really read backwards |
906 |
|
|
907 |
|
if (reverseplaybackend == loop.LoopStart) { |
908 |
|
pPlaybackState->loop_cycles_left--; |
909 |
|
pPlaybackState->reverse = false; |
910 |
|
} |
911 |
|
|
912 |
if (reverseplaybackend == this->LoopStart) { |
// reverse the sample frames for backward playback |
913 |
pPlaybackState->loop_cycles_left--; |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
|
pPlaybackState->reverse = false; |
|
914 |
} |
} |
915 |
|
} while (samplestoread && readsamples); |
916 |
|
break; |
917 |
|
} |
918 |
|
|
919 |
// reverse the sample frames for backward playback |
case loop_type_backward: { // TODO: not tested yet! |
920 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
// forward playback (not entered the loop yet) |
921 |
} |
if (!pPlaybackState->reverse) do { |
922 |
} while (samplestoread && readsamples); |
samplestoloopend = loopEnd - GetPos(); |
923 |
break; |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
924 |
} |
samplestoread -= readsamples; |
925 |
|
totalreadsamples += readsamples; |
926 |
case loop_type_backward: { // TODO: not tested yet! |
if (readsamples == samplestoloopend) { |
927 |
// forward playback (not entered the loop yet) |
pPlaybackState->reverse = true; |
928 |
if (!pPlaybackState->reverse) do { |
break; |
929 |
samplestoloopend = this->LoopEnd - GetPos(); |
} |
930 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
} while (samplestoread && readsamples); |
|
samplestoread -= readsamples; |
|
|
totalreadsamples += readsamples; |
|
|
if (readsamples == samplestoloopend) { |
|
|
pPlaybackState->reverse = true; |
|
|
break; |
|
|
} |
|
|
} while (samplestoread && readsamples); |
|
931 |
|
|
932 |
if (!samplestoread) break; |
if (!samplestoread) break; |
933 |
|
|
934 |
// as we can only read forward from disk, we have to |
// as we can only read forward from disk, we have to |
935 |
// determine the end position within the loop first, |
// determine the end position within the loop first, |
936 |
// read forward from that 'end' and finally after |
// read forward from that 'end' and finally after |
937 |
// reading, swap all sample frames so it reflects |
// reading, swap all sample frames so it reflects |
938 |
// backward playback |
// backward playback |
939 |
|
|
940 |
unsigned long swapareastart = totalreadsamples; |
unsigned long swapareastart = totalreadsamples; |
941 |
unsigned long loopoffset = GetPos() - this->LoopStart; |
unsigned long loopoffset = GetPos() - loop.LoopStart; |
942 |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * LoopSize - loopoffset) |
unsigned long samplestoreadinloop = (this->LoopPlayCount) ? Min(samplestoread, pPlaybackState->loop_cycles_left * loop.LoopLength - loopoffset) |
943 |
: samplestoread; |
: samplestoread; |
944 |
unsigned long reverseplaybackend = this->LoopStart + Abs((loopoffset - samplestoreadinloop) % this->LoopSize); |
unsigned long reverseplaybackend = loop.LoopStart + Abs((loopoffset - samplestoreadinloop) % loop.LoopLength); |
945 |
|
|
946 |
SetPos(reverseplaybackend); |
SetPos(reverseplaybackend); |
947 |
|
|
948 |
// read samples for backward playback |
// read samples for backward playback |
949 |
do { |
do { |
950 |
// if not endless loop check if max. number of loop cycles have been passed |
// if not endless loop check if max. number of loop cycles have been passed |
951 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
952 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
953 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoreadinloop, samplestoloopend), pExternalDecompressionBuffer); |
954 |
samplestoreadinloop -= readsamples; |
samplestoreadinloop -= readsamples; |
955 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
956 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
957 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
958 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
959 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
960 |
} |
} |
961 |
} while (samplestoreadinloop && readsamples); |
} while (samplestoreadinloop && readsamples); |
962 |
|
|
963 |
SetPos(reverseplaybackend); // pretend we really read backwards |
SetPos(reverseplaybackend); // pretend we really read backwards |
964 |
|
|
965 |
// reverse the sample frames for backward playback |
// reverse the sample frames for backward playback |
966 |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize); |
967 |
break; |
break; |
968 |
} |
} |
969 |
|
|
970 |
default: case loop_type_normal: { |
default: case loop_type_normal: { |
971 |
do { |
do { |
972 |
// if not endless loop check if max. number of loop cycles have been passed |
// if not endless loop check if max. number of loop cycles have been passed |
973 |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
if (this->LoopPlayCount && !pPlaybackState->loop_cycles_left) break; |
974 |
samplestoloopend = this->LoopEnd - GetPos(); |
samplestoloopend = loopEnd - GetPos(); |
975 |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
readsamples = Read(&pDst[totalreadsamples * this->FrameSize], Min(samplestoread, samplestoloopend), pExternalDecompressionBuffer); |
976 |
samplestoread -= readsamples; |
samplestoread -= readsamples; |
977 |
totalreadsamples += readsamples; |
totalreadsamples += readsamples; |
978 |
if (readsamples == samplestoloopend) { |
if (readsamples == samplestoloopend) { |
979 |
pPlaybackState->loop_cycles_left--; |
pPlaybackState->loop_cycles_left--; |
980 |
SetPos(this->LoopStart); |
SetPos(loop.LoopStart); |
981 |
} |
} |
982 |
} while (samplestoread && readsamples); |
} while (samplestoread && readsamples); |
983 |
break; |
break; |
984 |
|
} |
985 |
} |
} |
986 |
} |
} |
987 |
} |
} |
1011 |
* have to use an external decompression buffer for <b>EACH</b> |
* have to use an external decompression buffer for <b>EACH</b> |
1012 |
* streaming thread to avoid race conditions and crashes! |
* streaming thread to avoid race conditions and crashes! |
1013 |
* |
* |
1014 |
|
* For 16 bit samples, the data in the buffer will be int16_t |
1015 |
|
* (using native endianness). For 24 bit, the buffer will |
1016 |
|
* contain three bytes per sample, little-endian. |
1017 |
|
* |
1018 |
* @param pBuffer destination buffer |
* @param pBuffer destination buffer |
1019 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
1020 |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
* @param pExternalDecompressionBuffer (optional) external buffer to use for decompression |
1025 |
if (SampleCount == 0) return 0; |
if (SampleCount == 0) return 0; |
1026 |
if (!Compressed) { |
if (!Compressed) { |
1027 |
if (BitDepth == 24) { |
if (BitDepth == 24) { |
1028 |
// 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); |
|
|
} |
|
1029 |
} |
} |
1030 |
else { // 16 bit |
else { // 16 bit |
1031 |
// (pCkData->Read does endian correction) |
// (pCkData->Read does endian correction) |
1055 |
|
|
1056 |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
unsigned char* pSrc = (unsigned char*) pDecompressionBuffer->pStart; |
1057 |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
int16_t* pDst = static_cast<int16_t*>(pBuffer); |
1058 |
|
uint8_t* pDst24 = static_cast<uint8_t*>(pBuffer); |
1059 |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
remainingbytes = pCkData->Read(pSrc, assumedsize, 1); |
1060 |
|
|
1061 |
while (remainingsamples && remainingbytes) { |
while (remainingsamples && remainingbytes) { |
1137 |
const unsigned char* const param_r = pSrc; |
const unsigned char* const param_r = pSrc; |
1138 |
if (mode_r != 2) pSrc += 12; |
if (mode_r != 2) pSrc += 12; |
1139 |
|
|
1140 |
Decompress24(mode_l, param_l, 2, pSrc, pDst, |
Decompress24(mode_l, param_l, 6, pSrc, pDst24, |
1141 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1142 |
Decompress24(mode_r, param_r, 2, pSrc + rightChannelOffset, pDst + 1, |
Decompress24(mode_r, param_r, 6, pSrc + rightChannelOffset, pDst24 + 3, |
1143 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1144 |
pDst += copysamples << 1; |
pDst24 += copysamples * 6; |
1145 |
} |
} |
1146 |
else { // Mono |
else { // Mono |
1147 |
Decompress24(mode_l, param_l, 1, pSrc, pDst, |
Decompress24(mode_l, param_l, 3, pSrc, pDst24, |
1148 |
skipsamples, copysamples, TruncatedBits); |
skipsamples, copysamples, TruncatedBits); |
1149 |
pDst += copysamples; |
pDst24 += copysamples * 3; |
1150 |
} |
} |
1151 |
} |
} |
1152 |
else { // 16 bit |
else { // 16 bit |
1200 |
* |
* |
1201 |
* Note: there is currently no support for writing compressed samples. |
* Note: there is currently no support for writing compressed samples. |
1202 |
* |
* |
1203 |
|
* For 16 bit samples, the data in the source buffer should be |
1204 |
|
* int16_t (using native endianness). For 24 bit, the buffer |
1205 |
|
* should contain three bytes per sample, little-endian. |
1206 |
|
* |
1207 |
* @param pBuffer - source buffer |
* @param pBuffer - source buffer |
1208 |
* @param SampleCount - number of sample points to write |
* @param SampleCount - number of sample points to write |
1209 |
* @throws DLS::Exception if current sample size is too small |
* @throws DLS::Exception if current sample size is too small |
1212 |
*/ |
*/ |
1213 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
1214 |
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)"); |
1215 |
return DLS::Sample::Write(pBuffer, SampleCount); |
|
1216 |
|
// if this is the first write in this sample, reset the |
1217 |
|
// checksum calculator |
1218 |
|
if (pCkData->GetPos() == 0) { |
1219 |
|
__resetCRC(crc); |
1220 |
|
} |
1221 |
|
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
1222 |
|
unsigned long res; |
1223 |
|
if (BitDepth == 24) { |
1224 |
|
res = pCkData->Write(pBuffer, SampleCount * FrameSize, 1) / FrameSize; |
1225 |
|
} else { // 16 bit |
1226 |
|
res = Channels == 2 ? pCkData->Write(pBuffer, SampleCount << 1, 2) >> 1 |
1227 |
|
: pCkData->Write(pBuffer, SampleCount, 2); |
1228 |
|
} |
1229 |
|
__calculateCRC((unsigned char *)pBuffer, SampleCount * FrameSize, crc); |
1230 |
|
|
1231 |
|
// if this is the last write, update the checksum chunk in the |
1232 |
|
// file |
1233 |
|
if (pCkData->GetPos() == pCkData->GetSize()) { |
1234 |
|
File* pFile = static_cast<File*>(GetParent()); |
1235 |
|
pFile->SetSampleChecksum(this, __encodeCRC(crc)); |
1236 |
|
} |
1237 |
|
return res; |
1238 |
} |
} |
1239 |
|
|
1240 |
/** |
/** |
1279 |
} |
} |
1280 |
} |
} |
1281 |
|
|
1282 |
|
/** |
1283 |
|
* Returns pointer to the Group this Sample belongs to. In the .gig |
1284 |
|
* format a sample always belongs to one group. If it wasn't explicitly |
1285 |
|
* assigned to a certain group, it will be automatically assigned to a |
1286 |
|
* default group. |
1287 |
|
* |
1288 |
|
* @returns Sample's Group (never NULL) |
1289 |
|
*/ |
1290 |
|
Group* Sample::GetGroup() const { |
1291 |
|
return pGroup; |
1292 |
|
} |
1293 |
|
|
1294 |
Sample::~Sample() { |
Sample::~Sample() { |
1295 |
Instances--; |
Instances--; |
1296 |
if (!Instances && InternalDecompressionBuffer.Size) { |
if (!Instances && InternalDecompressionBuffer.Size) { |
1310 |
uint DimensionRegion::Instances = 0; |
uint DimensionRegion::Instances = 0; |
1311 |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
DimensionRegion::VelocityTableMap* DimensionRegion::pVelocityTables = NULL; |
1312 |
|
|
1313 |
DimensionRegion::DimensionRegion(RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
DimensionRegion::DimensionRegion(Region* pParent, RIFF::List* _3ewl) : DLS::Sampler(_3ewl) { |
1314 |
Instances++; |
Instances++; |
1315 |
|
|
1316 |
pSample = NULL; |
pSample = NULL; |
1317 |
|
pRegion = pParent; |
1318 |
|
|
1319 |
|
if (_3ewl->GetSubChunk(CHUNK_ID_WSMP)) memcpy(&Crossfade, &SamplerOptions, 4); |
1320 |
|
else memset(&Crossfade, 0, 4); |
1321 |
|
|
|
memcpy(&Crossfade, &SamplerOptions, 4); |
|
1322 |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
if (!pVelocityTables) pVelocityTables = new VelocityTableMap; |
1323 |
|
|
1324 |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = _3ewl->GetSubChunk(CHUNK_ID_3EWA); |
1325 |
if (_3ewa) { // if '3ewa' chunk exists |
if (_3ewa) { // if '3ewa' chunk exists |
1326 |
_3ewa->ReadInt32(); // unknown, always 0x0000008C ? |
_3ewa->ReadInt32(); // unknown, always == chunk size ? |
1327 |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
LFO3Frequency = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1328 |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
EG3Attack = (double) GIG_EXP_DECODE(_3ewa->ReadInt32()); |
1329 |
_3ewa->ReadInt16(); // unknown |
_3ewa->ReadInt16(); // unknown |
1468 |
if (lfo3ctrl & 0x40) // bit 6 |
if (lfo3ctrl & 0x40) // bit 6 |
1469 |
VCFType = vcf_type_lowpassturbo; |
VCFType = vcf_type_lowpassturbo; |
1470 |
} |
} |
1471 |
|
if (_3ewa->RemainingBytes() >= 8) { |
1472 |
|
_3ewa->Read(DimensionUpperLimits, 1, 8); |
1473 |
|
} else { |
1474 |
|
memset(DimensionUpperLimits, 0, 8); |
1475 |
|
} |
1476 |
} else { // '3ewa' chunk does not exist yet |
} else { // '3ewa' chunk does not exist yet |
1477 |
// use default values |
// use default values |
1478 |
LFO3Frequency = 1.0; |
LFO3Frequency = 1.0; |
1482 |
LFO1ControlDepth = 0; |
LFO1ControlDepth = 0; |
1483 |
LFO3ControlDepth = 0; |
LFO3ControlDepth = 0; |
1484 |
EG1Attack = 0.0; |
EG1Attack = 0.0; |
1485 |
EG1Decay1 = 0.0; |
EG1Decay1 = 0.005; |
1486 |
EG1Sustain = 0; |
EG1Sustain = 1000; |
1487 |
EG1Release = 0.0; |
EG1Release = 0.3; |
1488 |
EG1Controller.type = eg1_ctrl_t::type_none; |
EG1Controller.type = eg1_ctrl_t::type_none; |
1489 |
EG1Controller.controller_number = 0; |
EG1Controller.controller_number = 0; |
1490 |
EG1ControllerInvert = false; |
EG1ControllerInvert = false; |
1499 |
EG2ControllerReleaseInfluence = 0; |
EG2ControllerReleaseInfluence = 0; |
1500 |
LFO1Frequency = 1.0; |
LFO1Frequency = 1.0; |
1501 |
EG2Attack = 0.0; |
EG2Attack = 0.0; |
1502 |
EG2Decay1 = 0.0; |
EG2Decay1 = 0.005; |
1503 |
EG2Sustain = 0; |
EG2Sustain = 1000; |
1504 |
EG2Release = 0.0; |
EG2Release = 0.3; |
1505 |
LFO2ControlDepth = 0; |
LFO2ControlDepth = 0; |
1506 |
LFO2Frequency = 1.0; |
LFO2Frequency = 1.0; |
1507 |
LFO2InternalDepth = 0; |
LFO2InternalDepth = 0; |
1508 |
EG1Decay2 = 0.0; |
EG1Decay2 = 0.0; |
1509 |
EG1InfiniteSustain = false; |
EG1InfiniteSustain = true; |
1510 |
EG1PreAttack = 1000; |
EG1PreAttack = 0; |
1511 |
EG2Decay2 = 0.0; |
EG2Decay2 = 0.0; |
1512 |
EG2InfiniteSustain = false; |
EG2InfiniteSustain = true; |
1513 |
EG2PreAttack = 1000; |
EG2PreAttack = 0; |
1514 |
VelocityResponseCurve = curve_type_nonlinear; |
VelocityResponseCurve = curve_type_nonlinear; |
1515 |
VelocityResponseDepth = 3; |
VelocityResponseDepth = 3; |
1516 |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
ReleaseVelocityResponseCurve = curve_type_nonlinear; |
1553 |
VCFVelocityDynamicRange = 0x04; |
VCFVelocityDynamicRange = 0x04; |
1554 |
VCFVelocityCurve = curve_type_linear; |
VCFVelocityCurve = curve_type_linear; |
1555 |
VCFType = vcf_type_lowpass; |
VCFType = vcf_type_lowpass; |
1556 |
|
memset(DimensionUpperLimits, 127, 8); |
1557 |
} |
} |
1558 |
|
|
1559 |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
pVelocityAttenuationTable = GetVelocityTable(VelocityResponseCurve, |
1560 |
VelocityResponseDepth, |
VelocityResponseDepth, |
1561 |
VelocityResponseCurveScaling); |
VelocityResponseCurveScaling); |
1562 |
|
|
1563 |
curve_type_t curveType = ReleaseVelocityResponseCurve; |
pVelocityReleaseTable = GetReleaseVelocityTable( |
1564 |
uint8_t depth = ReleaseVelocityResponseDepth; |
ReleaseVelocityResponseCurve, |
1565 |
|
ReleaseVelocityResponseDepth |
1566 |
|
); |
1567 |
|
|
1568 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, |
1569 |
|
VCFVelocityDynamicRange, |
1570 |
|
VCFVelocityScale, |
1571 |
|
VCFCutoffController); |
1572 |
|
|
1573 |
// this models a strange behaviour or bug in GSt: two of the |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1574 |
// velocity response curves for release time are not used even |
VelocityTable = 0; |
1575 |
// if specified, instead another curve is chosen. |
} |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
|
|
(curveType == curve_type_special && depth == 4)) { |
|
|
curveType = curve_type_nonlinear; |
|
|
depth = 3; |
|
|
} |
|
|
pVelocityReleaseTable = GetVelocityTable(curveType, depth, 0); |
|
1576 |
|
|
1577 |
curveType = VCFVelocityCurve; |
/* |
1578 |
depth = VCFVelocityDynamicRange; |
* Constructs a DimensionRegion by copying all parameters from |
1579 |
|
* another DimensionRegion |
1580 |
|
*/ |
1581 |
|
DimensionRegion::DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src) : DLS::Sampler(_3ewl) { |
1582 |
|
Instances++; |
1583 |
|
*this = src; // default memberwise shallow copy of all parameters |
1584 |
|
pParentList = _3ewl; // restore the chunk pointer |
1585 |
|
|
1586 |
// even stranger GSt: two of the velocity response curves for |
// deep copy of owned structures |
1587 |
// filter cutoff are not used, instead another special curve |
if (src.VelocityTable) { |
1588 |
// is chosen. This curve is not used anywhere else. |
VelocityTable = new uint8_t[128]; |
1589 |
if ((curveType == curve_type_nonlinear && depth == 0) || |
for (int k = 0 ; k < 128 ; k++) |
1590 |
(curveType == curve_type_special && depth == 4)) { |
VelocityTable[k] = src.VelocityTable[k]; |
|
curveType = curve_type_special; |
|
|
depth = 5; |
|
1591 |
} |
} |
1592 |
pVelocityCutoffTable = GetVelocityTable(curveType, depth, |
if (src.pSampleLoops) { |
1593 |
VCFCutoffController <= vcf_cutoff_ctrl_none2 ? VCFVelocityScale : 0); |
pSampleLoops = new DLS::sample_loop_t[src.SampleLoops]; |
1594 |
|
for (int k = 0 ; k < src.SampleLoops ; k++) |
1595 |
|
pSampleLoops[k] = src.pSampleLoops[k]; |
1596 |
|
} |
1597 |
|
} |
1598 |
|
|
1599 |
|
/** |
1600 |
|
* Updates the respective member variable and updates @c SampleAttenuation |
1601 |
|
* which depends on this value. |
1602 |
|
*/ |
1603 |
|
void DimensionRegion::SetGain(int32_t gain) { |
1604 |
|
DLS::Sampler::SetGain(gain); |
1605 |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
SampleAttenuation = pow(10.0, -Gain / (20.0 * 655360)); |
1606 |
} |
} |
1607 |
|
|
1616 |
// first update base class's chunk |
// first update base class's chunk |
1617 |
DLS::Sampler::UpdateChunks(); |
DLS::Sampler::UpdateChunks(); |
1618 |
|
|
1619 |
|
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
1620 |
|
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
1621 |
|
pData[12] = Crossfade.in_start; |
1622 |
|
pData[13] = Crossfade.in_end; |
1623 |
|
pData[14] = Crossfade.out_start; |
1624 |
|
pData[15] = Crossfade.out_end; |
1625 |
|
|
1626 |
// make sure '3ewa' chunk exists |
// make sure '3ewa' chunk exists |
1627 |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
RIFF::Chunk* _3ewa = pParentList->GetSubChunk(CHUNK_ID_3EWA); |
1628 |
if (!_3ewa) _3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, 140); |
if (!_3ewa) { |
1629 |
uint8_t* pData = (uint8_t*) _3ewa->LoadChunkData(); |
File* pFile = (File*) GetParent()->GetParent()->GetParent(); |
1630 |
|
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
1631 |
|
_3ewa = pParentList->AddSubChunk(CHUNK_ID_3EWA, version3 ? 148 : 140); |
1632 |
|
} |
1633 |
|
pData = (uint8_t*) _3ewa->LoadChunkData(); |
1634 |
|
|
1635 |
// update '3ewa' chunk with DimensionRegion's current settings |
// update '3ewa' chunk with DimensionRegion's current settings |
1636 |
|
|
1637 |
const uint32_t unknown = 0x0000008C; // unknown, always 0x0000008C ? |
const uint32_t chunksize = _3ewa->GetNewSize(); |
1638 |
memcpy(&pData[0], &unknown, 4); |
store32(&pData[0], chunksize); // unknown, always chunk size? |
1639 |
|
|
1640 |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
const int32_t lfo3freq = (int32_t) GIG_EXP_ENCODE(LFO3Frequency); |
1641 |
memcpy(&pData[4], &lfo3freq, 4); |
store32(&pData[4], lfo3freq); |
1642 |
|
|
1643 |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
const int32_t eg3attack = (int32_t) GIG_EXP_ENCODE(EG3Attack); |
1644 |
memcpy(&pData[4], &eg3attack, 4); |
store32(&pData[8], eg3attack); |
1645 |
|
|
1646 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1647 |
|
|
1648 |
memcpy(&pData[10], &LFO1InternalDepth, 2); |
store16(&pData[14], LFO1InternalDepth); |
1649 |
|
|
1650 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1651 |
|
|
1652 |
memcpy(&pData[14], &LFO3InternalDepth, 2); |
store16(&pData[18], LFO3InternalDepth); |
1653 |
|
|
1654 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1655 |
|
|
1656 |
memcpy(&pData[18], &LFO1ControlDepth, 2); |
store16(&pData[22], LFO1ControlDepth); |
1657 |
|
|
1658 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1659 |
|
|
1660 |
memcpy(&pData[22], &LFO3ControlDepth, 2); |
store16(&pData[26], LFO3ControlDepth); |
1661 |
|
|
1662 |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
const int32_t eg1attack = (int32_t) GIG_EXP_ENCODE(EG1Attack); |
1663 |
memcpy(&pData[24], &eg1attack, 4); |
store32(&pData[28], eg1attack); |
1664 |
|
|
1665 |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
const int32_t eg1decay1 = (int32_t) GIG_EXP_ENCODE(EG1Decay1); |
1666 |
memcpy(&pData[28], &eg1decay1, 4); |
store32(&pData[32], eg1decay1); |
1667 |
|
|
1668 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1669 |
|
|
1670 |
memcpy(&pData[34], &EG1Sustain, 2); |
store16(&pData[38], EG1Sustain); |
1671 |
|
|
1672 |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
const int32_t eg1release = (int32_t) GIG_EXP_ENCODE(EG1Release); |
1673 |
memcpy(&pData[36], &eg1release, 4); |
store32(&pData[40], eg1release); |
1674 |
|
|
1675 |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
const uint8_t eg1ctl = (uint8_t) EncodeLeverageController(EG1Controller); |
1676 |
memcpy(&pData[40], &eg1ctl, 1); |
pData[44] = eg1ctl; |
1677 |
|
|
1678 |
const uint8_t eg1ctrloptions = |
const uint8_t eg1ctrloptions = |
1679 |
(EG1ControllerInvert) ? 0x01 : 0x00 | |
(EG1ControllerInvert ? 0x01 : 0x00) | |
1680 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG1ControllerAttackInfluence) | |
1681 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG1ControllerDecayInfluence) | |
1682 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG1ControllerReleaseInfluence); |
1683 |
memcpy(&pData[41], &eg1ctrloptions, 1); |
pData[45] = eg1ctrloptions; |
1684 |
|
|
1685 |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
const uint8_t eg2ctl = (uint8_t) EncodeLeverageController(EG2Controller); |
1686 |
memcpy(&pData[42], &eg2ctl, 1); |
pData[46] = eg2ctl; |
1687 |
|
|
1688 |
const uint8_t eg2ctrloptions = |
const uint8_t eg2ctrloptions = |
1689 |
(EG2ControllerInvert) ? 0x01 : 0x00 | |
(EG2ControllerInvert ? 0x01 : 0x00) | |
1690 |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
GIG_EG_CTR_ATTACK_INFLUENCE_ENCODE(EG2ControllerAttackInfluence) | |
1691 |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
GIG_EG_CTR_DECAY_INFLUENCE_ENCODE(EG2ControllerDecayInfluence) | |
1692 |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
GIG_EG_CTR_RELEASE_INFLUENCE_ENCODE(EG2ControllerReleaseInfluence); |
1693 |
memcpy(&pData[43], &eg2ctrloptions, 1); |
pData[47] = eg2ctrloptions; |
1694 |
|
|
1695 |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
const int32_t lfo1freq = (int32_t) GIG_EXP_ENCODE(LFO1Frequency); |
1696 |
memcpy(&pData[44], &lfo1freq, 4); |
store32(&pData[48], lfo1freq); |
1697 |
|
|
1698 |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
const int32_t eg2attack = (int32_t) GIG_EXP_ENCODE(EG2Attack); |
1699 |
memcpy(&pData[48], &eg2attack, 4); |
store32(&pData[52], eg2attack); |
1700 |
|
|
1701 |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
const int32_t eg2decay1 = (int32_t) GIG_EXP_ENCODE(EG2Decay1); |
1702 |
memcpy(&pData[52], &eg2decay1, 4); |
store32(&pData[56], eg2decay1); |
1703 |
|
|
1704 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1705 |
|
|
1706 |
memcpy(&pData[58], &EG2Sustain, 2); |
store16(&pData[62], EG2Sustain); |
1707 |
|
|
1708 |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
const int32_t eg2release = (int32_t) GIG_EXP_ENCODE(EG2Release); |
1709 |
memcpy(&pData[60], &eg2release, 4); |
store32(&pData[64], eg2release); |
1710 |
|
|
1711 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1712 |
|
|
1713 |
memcpy(&pData[66], &LFO2ControlDepth, 2); |
store16(&pData[70], LFO2ControlDepth); |
1714 |
|
|
1715 |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
const int32_t lfo2freq = (int32_t) GIG_EXP_ENCODE(LFO2Frequency); |
1716 |
memcpy(&pData[68], &lfo2freq, 4); |
store32(&pData[72], lfo2freq); |
1717 |
|
|
1718 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1719 |
|
|
1720 |
memcpy(&pData[72], &LFO2InternalDepth, 2); |
store16(&pData[78], LFO2InternalDepth); |
1721 |
|
|
1722 |
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); |
1723 |
memcpy(&pData[74], &eg1decay2, 4); |
store32(&pData[80], eg1decay2); |
1724 |
|
|
1725 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1726 |
|
|
1727 |
memcpy(&pData[80], &EG1PreAttack, 2); |
store16(&pData[86], EG1PreAttack); |
1728 |
|
|
1729 |
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); |
1730 |
memcpy(&pData[82], &eg2decay2, 4); |
store32(&pData[88], eg2decay2); |
1731 |
|
|
1732 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1733 |
|
|
1734 |
memcpy(&pData[88], &EG2PreAttack, 2); |
store16(&pData[94], EG2PreAttack); |
1735 |
|
|
1736 |
{ |
{ |
1737 |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
if (VelocityResponseDepth > 4) throw Exception("VelocityResponseDepth must be between 0 and 4"); |
1749 |
default: |
default: |
1750 |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown VelocityResponseCurve selected"); |
1751 |
} |
} |
1752 |
memcpy(&pData[90], &velocityresponse, 1); |
pData[96] = velocityresponse; |
1753 |
} |
} |
1754 |
|
|
1755 |
{ |
{ |
1768 |
default: |
default: |
1769 |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown ReleaseVelocityResponseCurve selected"); |
1770 |
} |
} |
1771 |
memcpy(&pData[91], &releasevelocityresponse, 1); |
pData[97] = releasevelocityresponse; |
1772 |
} |
} |
1773 |
|
|
1774 |
memcpy(&pData[92], &VelocityResponseCurveScaling, 1); |
pData[98] = VelocityResponseCurveScaling; |
1775 |
|
|
1776 |
memcpy(&pData[93], &AttenuationControllerThreshold, 1); |
pData[99] = AttenuationControllerThreshold; |
1777 |
|
|
1778 |
// next 4 bytes unknown |
// next 4 bytes unknown |
1779 |
|
|
1780 |
memcpy(&pData[98], &SampleStartOffset, 2); |
store16(&pData[104], SampleStartOffset); |
1781 |
|
|
1782 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1783 |
|
|
1796 |
default: |
default: |
1797 |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
throw Exception("Could not update DimensionRegion's chunk, unknown DimensionBypass selected"); |
1798 |
} |
} |
1799 |
memcpy(&pData[102], &pitchTrackDimensionBypass, 1); |
pData[108] = pitchTrackDimensionBypass; |
1800 |
} |
} |
1801 |
|
|
1802 |
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 |
1803 |
memcpy(&pData[103], &pan, 1); |
pData[109] = pan; |
1804 |
|
|
1805 |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
const uint8_t selfmask = (SelfMask) ? 0x01 : 0x00; |
1806 |
memcpy(&pData[104], &selfmask, 1); |
pData[110] = selfmask; |
1807 |
|
|
1808 |
// next byte unknown |
// next byte unknown |
1809 |
|
|
1812 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
if (LFO3Sync) lfo3ctrl |= 0x20; // bit 5 |
1813 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
if (InvertAttenuationController) lfo3ctrl |= 0x80; // bit 7 |
1814 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
if (VCFType == vcf_type_lowpassturbo) lfo3ctrl |= 0x40; // bit 6 |
1815 |
memcpy(&pData[106], &lfo3ctrl, 1); |
pData[112] = lfo3ctrl; |
1816 |
} |
} |
1817 |
|
|
1818 |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
const uint8_t attenctl = EncodeLeverageController(AttenuationController); |
1819 |
memcpy(&pData[107], &attenctl, 1); |
pData[113] = attenctl; |
1820 |
|
|
1821 |
{ |
{ |
1822 |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
uint8_t lfo2ctrl = LFO2Controller & 0x07; // lower 3 bits |
1823 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
if (LFO2FlipPhase) lfo2ctrl |= 0x80; // bit 7 |
1824 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
if (LFO2Sync) lfo2ctrl |= 0x20; // bit 5 |
1825 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
if (VCFResonanceController != vcf_res_ctrl_none) lfo2ctrl |= 0x40; // bit 6 |
1826 |
memcpy(&pData[108], &lfo2ctrl, 1); |
pData[114] = lfo2ctrl; |
1827 |
} |
} |
1828 |
|
|
1829 |
{ |
{ |
1832 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
if (LFO1Sync) lfo1ctrl |= 0x40; // bit 6 |
1833 |
if (VCFResonanceController != vcf_res_ctrl_none) |
if (VCFResonanceController != vcf_res_ctrl_none) |
1834 |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
lfo1ctrl |= GIG_VCF_RESONANCE_CTRL_ENCODE(VCFResonanceController); |
1835 |
memcpy(&pData[109], &lfo1ctrl, 1); |
pData[115] = lfo1ctrl; |
1836 |
} |
} |
1837 |
|
|
1838 |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth |
1839 |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
: uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */ |
1840 |
memcpy(&pData[110], &eg3depth, 1); |
store16(&pData[116], eg3depth); |
1841 |
|
|
1842 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1843 |
|
|
1844 |
const uint8_t channeloffset = ChannelOffset * 4; |
const uint8_t channeloffset = ChannelOffset * 4; |
1845 |
memcpy(&pData[113], &channeloffset, 1); |
pData[120] = channeloffset; |
1846 |
|
|
1847 |
{ |
{ |
1848 |
uint8_t regoptions = 0; |
uint8_t regoptions = 0; |
1849 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
if (MSDecode) regoptions |= 0x01; // bit 0 |
1850 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
if (SustainDefeat) regoptions |= 0x02; // bit 1 |
1851 |
memcpy(&pData[114], ®options, 1); |
pData[121] = regoptions; |
1852 |
} |
} |
1853 |
|
|
1854 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1855 |
|
|
1856 |
memcpy(&pData[117], &VelocityUpperLimit, 1); |
pData[124] = VelocityUpperLimit; |
1857 |
|
|
1858 |
// next 3 bytes unknown |
// next 3 bytes unknown |
1859 |
|
|
1860 |
memcpy(&pData[121], &ReleaseTriggerDecay, 1); |
pData[128] = ReleaseTriggerDecay; |
1861 |
|
|
1862 |
// next 2 bytes unknown |
// next 2 bytes unknown |
1863 |
|
|
1864 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
const uint8_t eg1hold = (EG1Hold) ? 0x80 : 0x00; // bit 7 |
1865 |
memcpy(&pData[124], &eg1hold, 1); |
pData[131] = eg1hold; |
1866 |
|
|
1867 |
const uint8_t vcfcutoff = (VCFEnabled) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfcutoff = (VCFEnabled ? 0x80 : 0x00) | /* bit 7 */ |
1868 |
(VCFCutoff) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFCutoff & 0x7f); /* lower 7 bits */ |
1869 |
memcpy(&pData[125], &vcfcutoff, 1); |
pData[132] = vcfcutoff; |
1870 |
|
|
1871 |
memcpy(&pData[126], &VCFCutoffController, 1); |
pData[133] = VCFCutoffController; |
1872 |
|
|
1873 |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfvelscale = (VCFCutoffControllerInvert ? 0x80 : 0x00) | /* bit 7 */ |
1874 |
(VCFVelocityScale) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFVelocityScale & 0x7f); /* lower 7 bits */ |
1875 |
memcpy(&pData[127], &vcfvelscale, 1); |
pData[134] = vcfvelscale; |
1876 |
|
|
1877 |
// next byte unknown |
// next byte unknown |
1878 |
|
|
1879 |
const uint8_t vcfresonance = (VCFResonanceDynamic) ? 0x00 : 0x80 | /* bit 7 */ |
const uint8_t vcfresonance = (VCFResonanceDynamic ? 0x00 : 0x80) | /* bit 7 */ |
1880 |
(VCFResonance) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFResonance & 0x7f); /* lower 7 bits */ |
1881 |
memcpy(&pData[129], &vcfresonance, 1); |
pData[136] = vcfresonance; |
1882 |
|
|
1883 |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking) ? 0x80 : 0x00 | /* bit 7 */ |
const uint8_t vcfbreakpoint = (VCFKeyboardTracking ? 0x80 : 0x00) | /* bit 7 */ |
1884 |
(VCFKeyboardTrackingBreakpoint) ? 0x7f : 0x00; /* lower 7 bits */ |
(VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */ |
1885 |
memcpy(&pData[130], &vcfbreakpoint, 1); |
pData[137] = vcfbreakpoint; |
1886 |
|
|
1887 |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 | |
1888 |
VCFVelocityCurve * 5; |
VCFVelocityCurve * 5; |
1889 |
memcpy(&pData[131], &vcfvelocity, 1); |
pData[138] = vcfvelocity; |
1890 |
|
|
1891 |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
const uint8_t vcftype = (VCFType == vcf_type_lowpassturbo) ? vcf_type_lowpass : VCFType; |
1892 |
memcpy(&pData[132], &vcftype, 1); |
pData[139] = vcftype; |
1893 |
|
|
1894 |
|
if (chunksize >= 148) { |
1895 |
|
memcpy(&pData[140], DimensionUpperLimits, 8); |
1896 |
|
} |
1897 |
|
} |
1898 |
|
|
1899 |
|
double* DimensionRegion::GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth) { |
1900 |
|
curve_type_t curveType = releaseVelocityResponseCurve; |
1901 |
|
uint8_t depth = releaseVelocityResponseDepth; |
1902 |
|
// this models a strange behaviour or bug in GSt: two of the |
1903 |
|
// velocity response curves for release time are not used even |
1904 |
|
// if specified, instead another curve is chosen. |
1905 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
1906 |
|
(curveType == curve_type_special && depth == 4)) { |
1907 |
|
curveType = curve_type_nonlinear; |
1908 |
|
depth = 3; |
1909 |
|
} |
1910 |
|
return GetVelocityTable(curveType, depth, 0); |
1911 |
|
} |
1912 |
|
|
1913 |
|
double* DimensionRegion::GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, |
1914 |
|
uint8_t vcfVelocityDynamicRange, |
1915 |
|
uint8_t vcfVelocityScale, |
1916 |
|
vcf_cutoff_ctrl_t vcfCutoffController) |
1917 |
|
{ |
1918 |
|
curve_type_t curveType = vcfVelocityCurve; |
1919 |
|
uint8_t depth = vcfVelocityDynamicRange; |
1920 |
|
// even stranger GSt: two of the velocity response curves for |
1921 |
|
// filter cutoff are not used, instead another special curve |
1922 |
|
// is chosen. This curve is not used anywhere else. |
1923 |
|
if ((curveType == curve_type_nonlinear && depth == 0) || |
1924 |
|
(curveType == curve_type_special && depth == 4)) { |
1925 |
|
curveType = curve_type_special; |
1926 |
|
depth = 5; |
1927 |
|
} |
1928 |
|
return GetVelocityTable(curveType, depth, |
1929 |
|
(vcfCutoffController <= vcf_cutoff_ctrl_none2) |
1930 |
|
? vcfVelocityScale : 0); |
1931 |
} |
} |
1932 |
|
|
1933 |
// 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 |
1945 |
return table; |
return table; |
1946 |
} |
} |
1947 |
|
|
1948 |
|
Region* DimensionRegion::GetParent() const { |
1949 |
|
return pRegion; |
1950 |
|
} |
1951 |
|
|
1952 |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) { |
1953 |
leverage_ctrl_t decodedcontroller; |
leverage_ctrl_t decodedcontroller; |
1954 |
switch (EncodedController) { |
switch (EncodedController) { |
2156 |
default: |
default: |
2157 |
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"); |
2158 |
} |
} |
2159 |
|
break; |
2160 |
default: |
default: |
2161 |
throw gig::Exception("Unknown leverage controller type."); |
throw gig::Exception("Unknown leverage controller type."); |
2162 |
} |
} |
2176 |
delete pVelocityTables; |
delete pVelocityTables; |
2177 |
pVelocityTables = NULL; |
pVelocityTables = NULL; |
2178 |
} |
} |
2179 |
|
if (VelocityTable) delete[] VelocityTable; |
2180 |
} |
} |
2181 |
|
|
2182 |
/** |
/** |
2202 |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
return pVelocityCutoffTable[MIDIKeyVelocity]; |
2203 |
} |
} |
2204 |
|
|
2205 |
|
/** |
2206 |
|
* Updates the respective member variable and the lookup table / cache |
2207 |
|
* that depends on this value. |
2208 |
|
*/ |
2209 |
|
void DimensionRegion::SetVelocityResponseCurve(curve_type_t curve) { |
2210 |
|
pVelocityAttenuationTable = |
2211 |
|
GetVelocityTable( |
2212 |
|
curve, VelocityResponseDepth, VelocityResponseCurveScaling |
2213 |
|
); |
2214 |
|
VelocityResponseCurve = curve; |
2215 |
|
} |
2216 |
|
|
2217 |
|
/** |
2218 |
|
* Updates the respective member variable and the lookup table / cache |
2219 |
|
* that depends on this value. |
2220 |
|
*/ |
2221 |
|
void DimensionRegion::SetVelocityResponseDepth(uint8_t depth) { |
2222 |
|
pVelocityAttenuationTable = |
2223 |
|
GetVelocityTable( |
2224 |
|
VelocityResponseCurve, depth, VelocityResponseCurveScaling |
2225 |
|
); |
2226 |
|
VelocityResponseDepth = depth; |
2227 |
|
} |
2228 |
|
|
2229 |
|
/** |
2230 |
|
* Updates the respective member variable and the lookup table / cache |
2231 |
|
* that depends on this value. |
2232 |
|
*/ |
2233 |
|
void DimensionRegion::SetVelocityResponseCurveScaling(uint8_t scaling) { |
2234 |
|
pVelocityAttenuationTable = |
2235 |
|
GetVelocityTable( |
2236 |
|
VelocityResponseCurve, VelocityResponseDepth, scaling |
2237 |
|
); |
2238 |
|
VelocityResponseCurveScaling = scaling; |
2239 |
|
} |
2240 |
|
|
2241 |
|
/** |
2242 |
|
* Updates the respective member variable and the lookup table / cache |
2243 |
|
* that depends on this value. |
2244 |
|
*/ |
2245 |
|
void DimensionRegion::SetReleaseVelocityResponseCurve(curve_type_t curve) { |
2246 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(curve, ReleaseVelocityResponseDepth); |
2247 |
|
ReleaseVelocityResponseCurve = curve; |
2248 |
|
} |
2249 |
|
|
2250 |
|
/** |
2251 |
|
* Updates the respective member variable and the lookup table / cache |
2252 |
|
* that depends on this value. |
2253 |
|
*/ |
2254 |
|
void DimensionRegion::SetReleaseVelocityResponseDepth(uint8_t depth) { |
2255 |
|
pVelocityReleaseTable = GetReleaseVelocityTable(ReleaseVelocityResponseCurve, depth); |
2256 |
|
ReleaseVelocityResponseDepth = depth; |
2257 |
|
} |
2258 |
|
|
2259 |
|
/** |
2260 |
|
* Updates the respective member variable and the lookup table / cache |
2261 |
|
* that depends on this value. |
2262 |
|
*/ |
2263 |
|
void DimensionRegion::SetVCFCutoffController(vcf_cutoff_ctrl_t controller) { |
2264 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, VCFVelocityScale, controller); |
2265 |
|
VCFCutoffController = controller; |
2266 |
|
} |
2267 |
|
|
2268 |
|
/** |
2269 |
|
* Updates the respective member variable and the lookup table / cache |
2270 |
|
* that depends on this value. |
2271 |
|
*/ |
2272 |
|
void DimensionRegion::SetVCFVelocityCurve(curve_type_t curve) { |
2273 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(curve, VCFVelocityDynamicRange, VCFVelocityScale, VCFCutoffController); |
2274 |
|
VCFVelocityCurve = curve; |
2275 |
|
} |
2276 |
|
|
2277 |
|
/** |
2278 |
|
* Updates the respective member variable and the lookup table / cache |
2279 |
|
* that depends on this value. |
2280 |
|
*/ |
2281 |
|
void DimensionRegion::SetVCFVelocityDynamicRange(uint8_t range) { |
2282 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, range, VCFVelocityScale, VCFCutoffController); |
2283 |
|
VCFVelocityDynamicRange = range; |
2284 |
|
} |
2285 |
|
|
2286 |
|
/** |
2287 |
|
* Updates the respective member variable and the lookup table / cache |
2288 |
|
* that depends on this value. |
2289 |
|
*/ |
2290 |
|
void DimensionRegion::SetVCFVelocityScale(uint8_t scaling) { |
2291 |
|
pVelocityCutoffTable = GetCutoffVelocityTable(VCFVelocityCurve, VCFVelocityDynamicRange, scaling, VCFCutoffController); |
2292 |
|
VCFVelocityScale = scaling; |
2293 |
|
} |
2294 |
|
|
2295 |
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) { |
2296 |
|
|
2297 |
// line-segment approximations of the 15 velocity curves |
// line-segment approximations of the 15 velocity curves |
2375 |
|
|
2376 |
// Actual Loading |
// Actual Loading |
2377 |
|
|
2378 |
|
if (!file->GetAutoLoad()) return; |
2379 |
|
|
2380 |
LoadDimensionRegions(rgnList); |
LoadDimensionRegions(rgnList); |
2381 |
|
|
2382 |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = rgnList->GetSubChunk(CHUNK_ID_3LNK); |
2385 |
for (int i = 0; i < dimensionBits; i++) { |
for (int i = 0; i < dimensionBits; i++) { |
2386 |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
dimension_t dimension = static_cast<dimension_t>(_3lnk->ReadUint8()); |
2387 |
uint8_t bits = _3lnk->ReadUint8(); |
uint8_t bits = _3lnk->ReadUint8(); |
2388 |
_3lnk->ReadUint8(); // probably the position of the dimension |
_3lnk->ReadUint8(); // bit position of the dimension (bits[0] + bits[1] + ... + bits[i-1]) |
2389 |
_3lnk->ReadUint8(); // unknown |
_3lnk->ReadUint8(); // (1 << bit position of next dimension) - (1 << bit position of this dimension) |
2390 |
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) |
2391 |
if (dimension == dimension_none) { // inactive dimension |
if (dimension == dimension_none) { // inactive dimension |
2392 |
pDimensionDefinitions[i].dimension = dimension_none; |
pDimensionDefinitions[i].dimension = dimension_none; |
2393 |
pDimensionDefinitions[i].bits = 0; |
pDimensionDefinitions[i].bits = 0; |
2394 |
pDimensionDefinitions[i].zones = 0; |
pDimensionDefinitions[i].zones = 0; |
2395 |
pDimensionDefinitions[i].split_type = split_type_bit; |
pDimensionDefinitions[i].split_type = split_type_bit; |
|
pDimensionDefinitions[i].ranges = NULL; |
|
2396 |
pDimensionDefinitions[i].zone_size = 0; |
pDimensionDefinitions[i].zone_size = 0; |
2397 |
} |
} |
2398 |
else { // active dimension |
else { // active dimension |
2399 |
pDimensionDefinitions[i].dimension = dimension; |
pDimensionDefinitions[i].dimension = dimension; |
2400 |
pDimensionDefinitions[i].bits = bits; |
pDimensionDefinitions[i].bits = bits; |
2401 |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
pDimensionDefinitions[i].zones = zones ? zones : 0x01 << bits; // = pow(2,bits) |
2402 |
pDimensionDefinitions[i].split_type = (dimension == dimension_layer || |
pDimensionDefinitions[i].split_type = __resolveSplitType(dimension); |
2403 |
dimension == dimension_samplechannel || |
pDimensionDefinitions[i].zone_size = __resolveZoneSize(pDimensionDefinitions[i]); |
|
dimension == dimension_releasetrigger || |
|
|
dimension == dimension_roundrobin || |
|
|
dimension == dimension_random) ? split_type_bit |
|
|
: split_type_normal; |
|
|
pDimensionDefinitions[i].ranges = NULL; // it's not possible to check velocity dimensions for custom defined ranges at this point |
|
|
pDimensionDefinitions[i].zone_size = |
|
|
(pDimensionDefinitions[i].split_type == split_type_normal) ? 128.0 / pDimensionDefinitions[i].zones |
|
|
: 0; |
|
2404 |
Dimensions++; |
Dimensions++; |
2405 |
|
|
2406 |
// if this is a layer dimension, remember the amount of layers |
// if this is a layer dimension, remember the amount of layers |
2408 |
} |
} |
2409 |
_3lnk->SetPos(3, RIFF::stream_curpos); // jump forward to next dimension definition |
_3lnk->SetPos(3, RIFF::stream_curpos); // jump forward to next dimension definition |
2410 |
} |
} |
2411 |
|
for (int i = dimensionBits ; i < 8 ; i++) pDimensionDefinitions[i].bits = 0; |
2412 |
|
|
2413 |
// check velocity dimension (if there is one) for custom defined zone ranges |
// if there's a velocity dimension and custom velocity zone splits are used, |
2414 |
for (uint i = 0; i < Dimensions; i++) { |
// update the VelocityTables in the dimension regions |
2415 |
dimension_def_t* pDimDef = pDimensionDefinitions + i; |
UpdateVelocityTable(); |
|
if (pDimDef->dimension == dimension_velocity) { |
|
|
if (pDimensionRegions[0]->VelocityUpperLimit == 0) { |
|
|
// no custom defined ranges |
|
|
pDimDef->split_type = split_type_normal; |
|
|
pDimDef->ranges = NULL; |
|
|
} |
|
|
else { // custom defined ranges |
|
|
pDimDef->split_type = split_type_customvelocity; |
|
|
pDimDef->ranges = new range_t[pDimDef->zones]; |
|
|
UpdateVelocityTable(pDimDef); |
|
|
} |
|
|
} |
|
|
} |
|
2416 |
|
|
2417 |
// jump to start of the wave pool indices (if not already there) |
// jump to start of the wave pool indices (if not already there) |
|
File* file = (File*) GetParent()->GetParent(); |
|
2418 |
if (file->pVersion && file->pVersion->major == 3) |
if (file->pVersion && file->pVersion->major == 3) |
2419 |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
_3lnk->SetPos(68); // version 3 has a different 3lnk structure |
2420 |
else |
else |
2421 |
_3lnk->SetPos(44); |
_3lnk->SetPos(44); |
2422 |
|
|
2423 |
// load sample references |
// load sample references (if auto loading is enabled) |
2424 |
for (uint i = 0; i < DimensionRegions; i++) { |
if (file->GetAutoLoad()) { |
2425 |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
for (uint i = 0; i < DimensionRegions; i++) { |
2426 |
pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
uint32_t wavepoolindex = _3lnk->ReadUint32(); |
2427 |
|
if (file->pWavePoolTable) pDimensionRegions[i]->pSample = GetSampleFromWavePool(wavepoolindex); |
2428 |
|
} |
2429 |
|
GetSample(); // load global region sample reference |
2430 |
|
} |
2431 |
|
} else { |
2432 |
|
DimensionRegions = 0; |
2433 |
|
for (int i = 0 ; i < 8 ; i++) { |
2434 |
|
pDimensionDefinitions[i].dimension = dimension_none; |
2435 |
|
pDimensionDefinitions[i].bits = 0; |
2436 |
|
pDimensionDefinitions[i].zones = 0; |
2437 |
} |
} |
2438 |
} |
} |
2439 |
|
|
2442 |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
RIFF::List* _3prg = rgnList->GetSubList(LIST_TYPE_3PRG); |
2443 |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
if (!_3prg) _3prg = rgnList->AddSubList(LIST_TYPE_3PRG); |
2444 |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
RIFF::List* _3ewl = _3prg->AddSubList(LIST_TYPE_3EWL); |
2445 |
pDimensionRegions[0] = new DimensionRegion(_3ewl); |
pDimensionRegions[0] = new DimensionRegion(this, _3ewl); |
2446 |
DimensionRegions = 1; |
DimensionRegions = 1; |
2447 |
} |
} |
2448 |
} |
} |
2457 |
* @throws gig::Exception if samples cannot be dereferenced |
* @throws gig::Exception if samples cannot be dereferenced |
2458 |
*/ |
*/ |
2459 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
2460 |
|
// in the gig format we don't care about the Region's sample reference |
2461 |
|
// but we still have to provide some existing one to not corrupt the |
2462 |
|
// file, so to avoid the latter we simply always assign the sample of |
2463 |
|
// the first dimension region of this region |
2464 |
|
pSample = pDimensionRegions[0]->pSample; |
2465 |
|
|
2466 |
// first update base class's chunks |
// first update base class's chunks |
2467 |
DLS::Region::UpdateChunks(); |
DLS::Region::UpdateChunks(); |
2468 |
|
|
2472 |
} |
} |
2473 |
|
|
2474 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
2475 |
const int iMaxDimensions = (pFile->pVersion && pFile->pVersion->major == 3) ? 8 : 5; |
bool version3 = pFile->pVersion && pFile->pVersion->major == 3; |
2476 |
const int iMaxDimensionRegions = (pFile->pVersion && pFile->pVersion->major == 3) ? 256 : 32; |
const int iMaxDimensions = version3 ? 8 : 5; |
2477 |
|
const int iMaxDimensionRegions = version3 ? 256 : 32; |
2478 |
|
|
2479 |
// make sure '3lnk' chunk exists |
// make sure '3lnk' chunk exists |
2480 |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
RIFF::Chunk* _3lnk = pCkRegion->GetSubChunk(CHUNK_ID_3LNK); |
2481 |
if (!_3lnk) { |
if (!_3lnk) { |
2482 |
const int _3lnkChunkSize = (pFile->pVersion && pFile->pVersion->major == 3) ? 1092 : 172; |
const int _3lnkChunkSize = version3 ? 1092 : 172; |
2483 |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
_3lnk = pCkRegion->AddSubChunk(CHUNK_ID_3LNK, _3lnkChunkSize); |
2484 |
|
memset(_3lnk->LoadChunkData(), 0, _3lnkChunkSize); |
2485 |
|
|
2486 |
|
// move 3prg to last position |
2487 |
|
pCkRegion->MoveSubChunk(pCkRegion->GetSubList(LIST_TYPE_3PRG), 0); |
2488 |
} |
} |
2489 |
|
|
2490 |
// update dimension definitions in '3lnk' chunk |
// update dimension definitions in '3lnk' chunk |
2491 |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3lnk->LoadChunkData(); |
2492 |
|
store32(&pData[0], DimensionRegions); |
2493 |
|
int shift = 0; |
2494 |
for (int i = 0; i < iMaxDimensions; i++) { |
for (int i = 0; i < iMaxDimensions; i++) { |
2495 |
pData[i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
pData[4 + i * 8] = (uint8_t) pDimensionDefinitions[i].dimension; |
2496 |
pData[i * 8 + 1] = pDimensionDefinitions[i].bits; |
pData[5 + i * 8] = pDimensionDefinitions[i].bits; |
2497 |
// next 2 bytes unknown |
pData[6 + i * 8] = pDimensionDefinitions[i].dimension == dimension_none ? 0 : shift; |
2498 |
pData[i * 8 + 4] = pDimensionDefinitions[i].zones; |
pData[7 + i * 8] = (1 << (shift + pDimensionDefinitions[i].bits)) - (1 << shift); |
2499 |
// next 3 bytes unknown |
pData[8 + i * 8] = pDimensionDefinitions[i].zones; |
2500 |
|
// next 3 bytes unknown, always zero? |
2501 |
|
|
2502 |
|
shift += pDimensionDefinitions[i].bits; |
2503 |
} |
} |
2504 |
|
|
2505 |
// update wave pool table in '3lnk' chunk |
// update wave pool table in '3lnk' chunk |
2506 |
const int iWavePoolOffset = (pFile->pVersion && pFile->pVersion->major == 3) ? 68 : 44; |
const int iWavePoolOffset = version3 ? 68 : 44; |
2507 |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
for (uint i = 0; i < iMaxDimensionRegions; i++) { |
2508 |
int iWaveIndex = -1; |
int iWaveIndex = -1; |
2509 |
if (i < DimensionRegions) { |
if (i < DimensionRegions) { |
2516 |
break; |
break; |
2517 |
} |
} |
2518 |
} |
} |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update gig::Region, could not find DimensionRegion's sample"); |
|
2519 |
} |
} |
2520 |
memcpy(&pData[iWavePoolOffset + i * 4], &iWaveIndex, 4); |
store32(&pData[iWavePoolOffset + i * 4], iWaveIndex); |
2521 |
} |
} |
2522 |
} |
} |
2523 |
|
|
2528 |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
RIFF::List* _3ewl = _3prg->GetFirstSubList(); |
2529 |
while (_3ewl) { |
while (_3ewl) { |
2530 |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
if (_3ewl->GetListType() == LIST_TYPE_3EWL) { |
2531 |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(_3ewl); |
pDimensionRegions[dimensionRegionNr] = new DimensionRegion(this, _3ewl); |
2532 |
dimensionRegionNr++; |
dimensionRegionNr++; |
2533 |
} |
} |
2534 |
_3ewl = _3prg->GetNextSubList(); |
_3ewl = _3prg->GetNextSubList(); |
2537 |
} |
} |
2538 |
} |
} |
2539 |
|
|
2540 |
void Region::UpdateVelocityTable(dimension_def_t* pDimDef) { |
void Region::SetKeyRange(uint16_t Low, uint16_t High) { |
2541 |
// get dimension's index |
// update KeyRange struct and make sure regions are in correct order |
2542 |
int iDimensionNr = -1; |
DLS::Region::SetKeyRange(Low, High); |
2543 |
for (int i = 0; i < Dimensions; i++) { |
// update Region key table for fast lookup |
2544 |
if (&pDimensionDefinitions[i] == pDimDef) { |
((gig::Instrument*)GetParent())->UpdateRegionKeyTable(); |
2545 |
iDimensionNr = i; |
} |
2546 |
|
|
2547 |
|
void Region::UpdateVelocityTable() { |
2548 |
|
// get velocity dimension's index |
2549 |
|
int veldim = -1; |
2550 |
|
for (int i = 0 ; i < Dimensions ; i++) { |
2551 |
|
if (pDimensionDefinitions[i].dimension == gig::dimension_velocity) { |
2552 |
|
veldim = i; |
2553 |
break; |
break; |
2554 |
} |
} |
2555 |
} |
} |
2556 |
if (iDimensionNr < 0) throw gig::Exception("Invalid dimension_def_t pointer"); |
if (veldim == -1) return; |
2557 |
|
|
2558 |
|
int step = 1; |
2559 |
|
for (int i = 0 ; i < veldim ; i++) step <<= pDimensionDefinitions[i].bits; |
2560 |
|
int skipveldim = (step << pDimensionDefinitions[veldim].bits) - step; |
2561 |
|
int end = step * pDimensionDefinitions[veldim].zones; |
2562 |
|
|
2563 |
|
// loop through all dimension regions for all dimensions except the velocity dimension |
2564 |
|
int dim[8] = { 0 }; |
2565 |
|
for (int i = 0 ; i < DimensionRegions ; i++) { |
2566 |
|
|
2567 |
|
if (pDimensionRegions[i]->DimensionUpperLimits[veldim] || |
2568 |
|
pDimensionRegions[i]->VelocityUpperLimit) { |
2569 |
|
// create the velocity table |
2570 |
|
uint8_t* table = pDimensionRegions[i]->VelocityTable; |
2571 |
|
if (!table) { |
2572 |
|
table = new uint8_t[128]; |
2573 |
|
pDimensionRegions[i]->VelocityTable = table; |
2574 |
|
} |
2575 |
|
int tableidx = 0; |
2576 |
|
int velocityZone = 0; |
2577 |
|
if (pDimensionRegions[i]->DimensionUpperLimits[veldim]) { // gig3 |
2578 |
|
for (int k = i ; k < end ; k += step) { |
2579 |
|
DimensionRegion *d = pDimensionRegions[k]; |
2580 |
|
for (; tableidx <= d->DimensionUpperLimits[veldim] ; tableidx++) table[tableidx] = velocityZone; |
2581 |
|
velocityZone++; |
2582 |
|
} |
2583 |
|
} else { // gig2 |
2584 |
|
for (int k = i ; k < end ; k += step) { |
2585 |
|
DimensionRegion *d = pDimensionRegions[k]; |
2586 |
|
for (; tableidx <= d->VelocityUpperLimit ; tableidx++) table[tableidx] = velocityZone; |
2587 |
|
velocityZone++; |
2588 |
|
} |
2589 |
|
} |
2590 |
|
} else { |
2591 |
|
if (pDimensionRegions[i]->VelocityTable) { |
2592 |
|
delete[] pDimensionRegions[i]->VelocityTable; |
2593 |
|
pDimensionRegions[i]->VelocityTable = 0; |
2594 |
|
} |
2595 |
|
} |
2596 |
|
|
2597 |
uint8_t bits[8] = { 0 }; |
int j; |
2598 |
int previousUpperLimit = -1; |
int shift = 0; |
2599 |
for (int velocityZone = 0; velocityZone < pDimDef->zones; velocityZone++) { |
for (j = 0 ; j < Dimensions ; j++) { |
2600 |
bits[iDimensionNr] = velocityZone; |
if (j == veldim) i += skipveldim; // skip velocity dimension |
2601 |
DimensionRegion* pDimRegion = GetDimensionRegionByBit(bits); |
else { |
2602 |
|
dim[j]++; |
2603 |
pDimDef->ranges[velocityZone].low = previousUpperLimit + 1; |
if (dim[j] < pDimensionDefinitions[j].zones) break; |
2604 |
pDimDef->ranges[velocityZone].high = pDimRegion->VelocityUpperLimit; |
else { |
2605 |
previousUpperLimit = pDimDef->ranges[velocityZone].high; |
// skip unused dimension regions |
2606 |
// fill velocity table |
dim[j] = 0; |
2607 |
for (int i = pDimDef->ranges[velocityZone].low; i <= pDimDef->ranges[velocityZone].high; i++) { |
i += ((1 << pDimensionDefinitions[j].bits) - |
2608 |
VelocityTable[i] = velocityZone; |
pDimensionDefinitions[j].zones) << shift; |
2609 |
|
} |
2610 |
|
} |
2611 |
|
shift += pDimensionDefinitions[j].bits; |
2612 |
} |
} |
2613 |
|
if (j == Dimensions) break; |
2614 |
} |
} |
2615 |
} |
} |
2616 |
|
|
2649 |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
if (pDimensionDefinitions[i].dimension == pDimDef->dimension) |
2650 |
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"); |
2651 |
|
|
2652 |
|
// pos is where the new dimension should be placed, normally |
2653 |
|
// last in list, except for the samplechannel dimension which |
2654 |
|
// has to be first in list |
2655 |
|
int pos = pDimDef->dimension == dimension_samplechannel ? 0 : Dimensions; |
2656 |
|
int bitpos = 0; |
2657 |
|
for (int i = 0 ; i < pos ; i++) |
2658 |
|
bitpos += pDimensionDefinitions[i].bits; |
2659 |
|
|
2660 |
|
// make room for the new dimension |
2661 |
|
for (int i = Dimensions ; i > pos ; i--) pDimensionDefinitions[i] = pDimensionDefinitions[i - 1]; |
2662 |
|
for (int i = 0 ; i < (1 << iCurrentBits) ; i++) { |
2663 |
|
for (int j = Dimensions ; j > pos ; j--) { |
2664 |
|
pDimensionRegions[i]->DimensionUpperLimits[j] = |
2665 |
|
pDimensionRegions[i]->DimensionUpperLimits[j - 1]; |
2666 |
|
} |
2667 |
|
} |
2668 |
|
|
2669 |
// assign definition of new dimension |
// assign definition of new dimension |
2670 |
pDimensionDefinitions[Dimensions] = *pDimDef; |
pDimensionDefinitions[pos] = *pDimDef; |
2671 |
|
|
2672 |
// create new dimension region(s) for this new dimension |
// auto correct certain dimension definition fields (where possible) |
2673 |
for (int i = 1 << iCurrentBits; i < 1 << iNewBits; i++) { |
pDimensionDefinitions[pos].split_type = |
2674 |
//TODO: maybe we should copy existing dimension regions if possible instead of simply creating new ones with default values |
__resolveSplitType(pDimensionDefinitions[pos].dimension); |
2675 |
RIFF::List* pNewDimRgnListChunk = pCkRegion->AddSubList(LIST_TYPE_3EWL); |
pDimensionDefinitions[pos].zone_size = |
2676 |
pDimensionRegions[i] = new DimensionRegion(pNewDimRgnListChunk); |
__resolveZoneSize(pDimensionDefinitions[pos]); |
2677 |
DimensionRegions++; |
|
2678 |
|
// create new dimension region(s) for this new dimension, and make |
2679 |
|
// sure that the dimension regions are placed correctly in both the |
2680 |
|
// RIFF list and the pDimensionRegions array |
2681 |
|
RIFF::Chunk* moveTo = NULL; |
2682 |
|
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2683 |
|
for (int i = (1 << iCurrentBits) - (1 << bitpos) ; i >= 0 ; i -= (1 << bitpos)) { |
2684 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2685 |
|
pDimensionRegions[(i << pDimDef->bits) + k] = pDimensionRegions[i + k]; |
2686 |
|
} |
2687 |
|
for (int j = 1 ; j < (1 << pDimDef->bits) ; j++) { |
2688 |
|
for (int k = 0 ; k < (1 << bitpos) ; k++) { |
2689 |
|
RIFF::List* pNewDimRgnListChunk = _3prg->AddSubList(LIST_TYPE_3EWL); |
2690 |
|
if (moveTo) _3prg->MoveSubChunk(pNewDimRgnListChunk, moveTo); |
2691 |
|
// create a new dimension region and copy all parameter values from |
2692 |
|
// an existing dimension region |
2693 |
|
pDimensionRegions[(i << pDimDef->bits) + (j << bitpos) + k] = |
2694 |
|
new DimensionRegion(pNewDimRgnListChunk, *pDimensionRegions[i + k]); |
2695 |
|
|
2696 |
|
DimensionRegions++; |
2697 |
|
} |
2698 |
|
} |
2699 |
|
moveTo = pDimensionRegions[i]->pParentList; |
2700 |
|
} |
2701 |
|
|
2702 |
|
// initialize the upper limits for this dimension |
2703 |
|
int mask = (1 << bitpos) - 1; |
2704 |
|
for (int z = 0 ; z < pDimDef->zones ; z++) { |
2705 |
|
uint8_t upperLimit = uint8_t((z + 1) * 128.0 / pDimDef->zones - 1); |
2706 |
|
for (int i = 0 ; i < 1 << iCurrentBits ; i++) { |
2707 |
|
pDimensionRegions[((i & ~mask) << pDimDef->bits) | |
2708 |
|
(z << bitpos) | |
2709 |
|
(i & mask)]->DimensionUpperLimits[pos] = upperLimit; |
2710 |
|
} |
2711 |
} |
} |
2712 |
|
|
2713 |
Dimensions++; |
Dimensions++; |
2715 |
// if this is a layer dimension, update 'Layers' attribute |
// if this is a layer dimension, update 'Layers' attribute |
2716 |
if (pDimDef->dimension == dimension_layer) Layers = pDimDef->zones; |
if (pDimDef->dimension == dimension_layer) Layers = pDimDef->zones; |
2717 |
|
|
2718 |
// if this is velocity dimension and got custom defined ranges, update velocity table |
UpdateVelocityTable(); |
|
if (pDimDef->dimension == dimension_velocity && |
|
|
pDimDef->split_type == split_type_customvelocity) { |
|
|
UpdateVelocityTable(pDimDef); |
|
|
} |
|
2719 |
} |
} |
2720 |
|
|
2721 |
/** @brief Delete an existing dimension. |
/** @brief Delete an existing dimension. |
2750 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
for (int i = iDimensionNr + 1; i < Dimensions; i++) |
2751 |
iUpperBits += pDimensionDefinitions[i].bits; |
iUpperBits += pDimensionDefinitions[i].bits; |
2752 |
|
|
2753 |
|
RIFF::List* _3prg = pCkRegion->GetSubList(LIST_TYPE_3PRG); |
2754 |
|
|
2755 |
// delete dimension regions which belong to the given dimension |
// delete dimension regions which belong to the given dimension |
2756 |
// (that is where the dimension's bit > 0) |
// (that is where the dimension's bit > 0) |
2757 |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
for (int iUpperBit = 0; iUpperBit < 1 << iUpperBits; iUpperBit++) { |
2760 |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
int iToDelete = iUpperBit << (pDimensionDefinitions[iDimensionNr].bits + iLowerBits) | |
2761 |
iObsoleteBit << iLowerBits | |
iObsoleteBit << iLowerBits | |
2762 |
iLowerBit; |
iLowerBit; |
2763 |
|
|
2764 |
|
_3prg->DeleteSubChunk(pDimensionRegions[iToDelete]->pParentList); |
2765 |
delete pDimensionRegions[iToDelete]; |
delete pDimensionRegions[iToDelete]; |
2766 |
pDimensionRegions[iToDelete] = NULL; |
pDimensionRegions[iToDelete] = NULL; |
2767 |
DimensionRegions--; |
DimensionRegions--; |
2782 |
} |
} |
2783 |
} |
} |
2784 |
|
|
2785 |
|
// remove the this dimension from the upper limits arrays |
2786 |
|
for (int j = 0 ; j < 256 && pDimensionRegions[j] ; j++) { |
2787 |
|
DimensionRegion* d = pDimensionRegions[j]; |
2788 |
|
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2789 |
|
d->DimensionUpperLimits[i - 1] = d->DimensionUpperLimits[i]; |
2790 |
|
} |
2791 |
|
d->DimensionUpperLimits[Dimensions - 1] = 127; |
2792 |
|
} |
2793 |
|
|
2794 |
// 'remove' dimension definition |
// 'remove' dimension definition |
2795 |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
for (int i = iDimensionNr + 1; i < Dimensions; i++) { |
2796 |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
pDimensionDefinitions[i - 1] = pDimensionDefinitions[i]; |
2798 |
pDimensionDefinitions[Dimensions - 1].dimension = dimension_none; |
pDimensionDefinitions[Dimensions - 1].dimension = dimension_none; |
2799 |
pDimensionDefinitions[Dimensions - 1].bits = 0; |
pDimensionDefinitions[Dimensions - 1].bits = 0; |
2800 |
pDimensionDefinitions[Dimensions - 1].zones = 0; |
pDimensionDefinitions[Dimensions - 1].zones = 0; |
|
if (pDimensionDefinitions[Dimensions - 1].ranges) { |
|
|
delete[] pDimensionDefinitions[Dimensions - 1].ranges; |
|
|
pDimensionDefinitions[Dimensions - 1].ranges = NULL; |
|
|
} |
|
2801 |
|
|
2802 |
Dimensions--; |
Dimensions--; |
2803 |
|
|
2806 |
} |
} |
2807 |
|
|
2808 |
Region::~Region() { |
Region::~Region() { |
|
for (uint i = 0; i < Dimensions; i++) { |
|
|
if (pDimensionDefinitions[i].ranges) delete[] pDimensionDefinitions[i].ranges; |
|
|
} |
|
2809 |
for (int i = 0; i < 256; i++) { |
for (int i = 0; i < 256; i++) { |
2810 |
if (pDimensionRegions[i]) delete pDimensionRegions[i]; |
if (pDimensionRegions[i]) delete pDimensionRegions[i]; |
2811 |
} |
} |
2830 |
* @see Dimensions |
* @see Dimensions |
2831 |
*/ |
*/ |
2832 |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
DimensionRegion* Region::GetDimensionRegionByValue(const uint DimValues[8]) { |
2833 |
uint8_t bits[8] = { 0 }; |
uint8_t bits; |
2834 |
|
int veldim = -1; |
2835 |
|
int velbitpos; |
2836 |
|
int bitpos = 0; |
2837 |
|
int dimregidx = 0; |
2838 |
for (uint i = 0; i < Dimensions; i++) { |
for (uint i = 0; i < Dimensions; i++) { |
2839 |
bits[i] = DimValues[i]; |
if (pDimensionDefinitions[i].dimension == dimension_velocity) { |
2840 |
switch (pDimensionDefinitions[i].split_type) { |
// the velocity dimension must be handled after the other dimensions |
2841 |
case split_type_normal: |
veldim = i; |
2842 |
bits[i] = uint8_t(bits[i] / pDimensionDefinitions[i].zone_size); |
velbitpos = bitpos; |
2843 |
break; |
} else { |
2844 |
case split_type_customvelocity: |
switch (pDimensionDefinitions[i].split_type) { |
2845 |
bits[i] = VelocityTable[bits[i]]; |
case split_type_normal: |
2846 |
break; |
if (pDimensionRegions[0]->DimensionUpperLimits[i]) { |
2847 |
case split_type_bit: // the value is already the sought dimension bit number |
// gig3: all normal dimensions (not just the velocity dimension) have custom zone ranges |
2848 |
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
for (bits = 0 ; bits < pDimensionDefinitions[i].zones ; bits++) { |
2849 |
bits[i] = bits[i] & limiter_mask; // just make sure the value don't uses more bits than allowed |
if (DimValues[i] <= pDimensionRegions[bits << bitpos]->DimensionUpperLimits[i]) break; |
2850 |
break; |
} |
2851 |
|
} else { |
2852 |
|
// gig2: evenly sized zones |
2853 |
|
bits = uint8_t(DimValues[i] / pDimensionDefinitions[i].zone_size); |
2854 |
|
} |
2855 |
|
break; |
2856 |
|
case split_type_bit: // the value is already the sought dimension bit number |
2857 |
|
const uint8_t limiter_mask = (0xff << pDimensionDefinitions[i].bits) ^ 0xff; |
2858 |
|
bits = DimValues[i] & limiter_mask; // just make sure the value doesn't use more bits than allowed |
2859 |
|
break; |
2860 |
|
} |
2861 |
|
dimregidx |= bits << bitpos; |
2862 |
} |
} |
2863 |
|
bitpos += pDimensionDefinitions[i].bits; |
2864 |
} |
} |
2865 |
return GetDimensionRegionByBit(bits); |
DimensionRegion* dimreg = pDimensionRegions[dimregidx]; |
2866 |
|
if (veldim != -1) { |
2867 |
|
// (dimreg is now the dimension region for the lowest velocity) |
2868 |
|
if (dimreg->VelocityTable) // custom defined zone ranges |
2869 |
|
bits = dimreg->VelocityTable[DimValues[veldim]]; |
2870 |
|
else // normal split type |
2871 |
|
bits = uint8_t(DimValues[veldim] / pDimensionDefinitions[veldim].zone_size); |
2872 |
|
|
2873 |
|
dimregidx |= bits << velbitpos; |
2874 |
|
dimreg = pDimensionRegions[dimregidx]; |
2875 |
|
} |
2876 |
|
return dimreg; |
2877 |
} |
} |
2878 |
|
|
2879 |
/** |
/** |
2913 |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
Sample* Region::GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress) { |
2914 |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
if ((int32_t)WavePoolTableIndex == -1) return NULL; |
2915 |
File* file = (File*) GetParent()->GetParent(); |
File* file = (File*) GetParent()->GetParent(); |
2916 |
|
if (!file->pWavePoolTable) return NULL; |
2917 |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex]; |
2918 |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
unsigned long soughtfileno = file->pWavePoolTableHi[WavePoolTableIndex]; |
2919 |
Sample* sample = file->GetFirstSample(pProgress); |
Sample* sample = file->GetFirstSample(pProgress); |
2920 |
while (sample) { |
while (sample) { |
2921 |
if (sample->ulWavePoolOffset == soughtoffset && |
if (sample->ulWavePoolOffset == soughtoffset && |
2922 |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(pSample = sample); |
sample->FileNo == soughtfileno) return static_cast<gig::Sample*>(sample); |
2923 |
sample = file->GetNextSample(); |
sample = file->GetNextSample(); |
2924 |
} |
} |
2925 |
return NULL; |
return NULL; |
2926 |
} |
} |
2927 |
|
|
2928 |
|
|
2929 |
|
// *************** MidiRule *************** |
2930 |
|
// * |
2931 |
|
|
2932 |
|
MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) { |
2933 |
|
_3ewg->SetPos(36); |
2934 |
|
Triggers = _3ewg->ReadUint8(); |
2935 |
|
_3ewg->SetPos(40); |
2936 |
|
ControllerNumber = _3ewg->ReadUint8(); |
2937 |
|
_3ewg->SetPos(46); |
2938 |
|
for (int i = 0 ; i < Triggers ; i++) { |
2939 |
|
pTriggers[i].TriggerPoint = _3ewg->ReadUint8(); |
2940 |
|
pTriggers[i].Descending = _3ewg->ReadUint8(); |
2941 |
|
pTriggers[i].VelSensitivity = _3ewg->ReadUint8(); |
2942 |
|
pTriggers[i].Key = _3ewg->ReadUint8(); |
2943 |
|
pTriggers[i].NoteOff = _3ewg->ReadUint8(); |
2944 |
|
pTriggers[i].Velocity = _3ewg->ReadUint8(); |
2945 |
|
pTriggers[i].OverridePedal = _3ewg->ReadUint8(); |
2946 |
|
_3ewg->ReadUint8(); |
2947 |
|
} |
2948 |
|
} |
2949 |
|
|
2950 |
|
|
2951 |
// *************** Instrument *************** |
// *************** Instrument *************** |
2952 |
// * |
// * |
2953 |
|
|
2954 |
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) { |
2955 |
|
static const DLS::Info::string_length_t fixedStringLengths[] = { |
2956 |
|
{ CHUNK_ID_INAM, 64 }, |
2957 |
|
{ CHUNK_ID_ISFT, 12 }, |
2958 |
|
{ 0, 0 } |
2959 |
|
}; |
2960 |
|
pInfo->SetFixedStringLengths(fixedStringLengths); |
2961 |
|
|
2962 |
// Initialization |
// Initialization |
2963 |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
2964 |
|
EffectSend = 0; |
2965 |
|
Attenuation = 0; |
2966 |
|
FineTune = 0; |
2967 |
|
PitchbendRange = 0; |
2968 |
|
PianoReleaseMode = false; |
2969 |
|
DimensionKeyRange.low = 0; |
2970 |
|
DimensionKeyRange.high = 0; |
2971 |
|
pMidiRules = new MidiRule*[3]; |
2972 |
|
pMidiRules[0] = NULL; |
2973 |
|
|
2974 |
// Loading |
// Loading |
2975 |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART); |
2984 |
PianoReleaseMode = dimkeystart & 0x01; |
PianoReleaseMode = dimkeystart & 0x01; |
2985 |
DimensionKeyRange.low = dimkeystart >> 1; |
DimensionKeyRange.low = dimkeystart >> 1; |
2986 |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
DimensionKeyRange.high = _3ewg->ReadUint8(); |
2987 |
|
|
2988 |
|
if (_3ewg->GetSize() > 32) { |
2989 |
|
// read MIDI rules |
2990 |
|
int i = 0; |
2991 |
|
_3ewg->SetPos(32); |
2992 |
|
uint8_t id1 = _3ewg->ReadUint8(); |
2993 |
|
uint8_t id2 = _3ewg->ReadUint8(); |
2994 |
|
|
2995 |
|
if (id1 == 4 && id2 == 16) { |
2996 |
|
pMidiRules[i++] = new MidiRuleCtrlTrigger(_3ewg); |
2997 |
|
} |
2998 |
|
//TODO: all the other types of rules |
2999 |
|
|
3000 |
|
pMidiRules[i] = NULL; |
3001 |
|
} |
3002 |
} |
} |
3003 |
} |
} |
3004 |
|
|
3005 |
if (!pRegions) pRegions = new RegionList; |
if (pFile->GetAutoLoad()) { |
3006 |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
if (!pRegions) pRegions = new RegionList; |
3007 |
if (lrgn) { |
RIFF::List* lrgn = insList->GetSubList(LIST_TYPE_LRGN); |
3008 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
if (lrgn) { |
3009 |
while (rgn) { |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
3010 |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
while (rgn) { |
3011 |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
if (rgn->GetListType() == LIST_TYPE_RGN) { |
3012 |
pRegions->push_back(new Region(this, rgn)); |
__notify_progress(pProgress, (float) pRegions->size() / (float) Regions); |
3013 |
|
pRegions->push_back(new Region(this, rgn)); |
3014 |
|
} |
3015 |
|
rgn = lrgn->GetNextSubList(); |
3016 |
} |
} |
3017 |
rgn = lrgn->GetNextSubList(); |
// Creating Region Key Table for fast lookup |
3018 |
|
UpdateRegionKeyTable(); |
3019 |
} |
} |
|
// Creating Region Key Table for fast lookup |
|
|
UpdateRegionKeyTable(); |
|
3020 |
} |
} |
3021 |
|
|
3022 |
__notify_progress(pProgress, 1.0f); // notify done |
__notify_progress(pProgress, 1.0f); // notify done |
3023 |
} |
} |
3024 |
|
|
3025 |
void Instrument::UpdateRegionKeyTable() { |
void Instrument::UpdateRegionKeyTable() { |
3026 |
|
for (int i = 0; i < 128; i++) RegionKeyTable[i] = NULL; |
3027 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
3028 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
3029 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
3035 |
} |
} |
3036 |
|
|
3037 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
3038 |
|
delete[] pMidiRules; |
3039 |
} |
} |
3040 |
|
|
3041 |
/** |
/** |
3064 |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
if (!lart) lart = pCkInstrument->AddSubList(LIST_TYPE_LART); |
3065 |
// make sure '3ewg' RIFF chunk exists |
// make sure '3ewg' RIFF chunk exists |
3066 |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
RIFF::Chunk* _3ewg = lart->GetSubChunk(CHUNK_ID_3EWG); |
3067 |
if (!_3ewg) _3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, 12); |
if (!_3ewg) { |
3068 |
|
File* pFile = (File*) GetParent(); |
3069 |
|
|
3070 |
|
// 3ewg is bigger in gig3, as it includes the iMIDI rules |
3071 |
|
int size = (pFile->pVersion && pFile->pVersion->major == 3) ? 16416 : 12; |
3072 |
|
_3ewg = lart->AddSubChunk(CHUNK_ID_3EWG, size); |
3073 |
|
memset(_3ewg->LoadChunkData(), 0, size); |
3074 |
|
} |
3075 |
// update '3ewg' RIFF chunk |
// update '3ewg' RIFF chunk |
3076 |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
uint8_t* pData = (uint8_t*) _3ewg->LoadChunkData(); |
3077 |
memcpy(&pData[0], &EffectSend, 2); |
store16(&pData[0], EffectSend); |
3078 |
memcpy(&pData[2], &Attenuation, 4); |
store32(&pData[2], Attenuation); |
3079 |
memcpy(&pData[6], &FineTune, 2); |
store16(&pData[6], FineTune); |
3080 |
memcpy(&pData[8], &PitchbendRange, 2); |
store16(&pData[8], PitchbendRange); |
3081 |
const uint8_t dimkeystart = (PianoReleaseMode) ? 0x01 : 0x00 | |
const uint8_t dimkeystart = (PianoReleaseMode ? 0x01 : 0x00) | |
3082 |
DimensionKeyRange.low << 1; |
DimensionKeyRange.low << 1; |
3083 |
memcpy(&pData[10], &dimkeystart, 1); |
pData[10] = dimkeystart; |
3084 |
memcpy(&pData[11], &DimensionKeyRange.high, 1); |
pData[11] = DimensionKeyRange.high; |
3085 |
} |
} |
3086 |
|
|
3087 |
/** |
/** |
3092 |
* there is no Region defined for the given \a Key |
* there is no Region defined for the given \a Key |
3093 |
*/ |
*/ |
3094 |
Region* Instrument::GetRegion(unsigned int Key) { |
Region* Instrument::GetRegion(unsigned int Key) { |
3095 |
if (!pRegions || !pRegions->size() || Key > 127) return NULL; |
if (!pRegions || pRegions->empty() || Key > 127) return NULL; |
3096 |
return RegionKeyTable[Key]; |
return RegionKeyTable[Key]; |
3097 |
|
|
3098 |
/*for (int i = 0; i < Regions; i++) { |
/*for (int i = 0; i < Regions; i++) { |
3150 |
UpdateRegionKeyTable(); |
UpdateRegionKeyTable(); |
3151 |
} |
} |
3152 |
|
|
3153 |
|
/** |
3154 |
|
* Returns a MIDI rule of the instrument. |
3155 |
|
* |
3156 |
|
* The list of MIDI rules, at least in gig v3, always contains at |
3157 |
|
* most two rules. The second rule can only be the DEF filter |
3158 |
|
* (which currently isn't supported by libgig). |
3159 |
|
* |
3160 |
|
* @param i - MIDI rule number |
3161 |
|
* @returns pointer address to MIDI rule number i or NULL if there is none |
3162 |
|
*/ |
3163 |
|
MidiRule* Instrument::GetMidiRule(int i) { |
3164 |
|
return pMidiRules[i]; |
3165 |
|
} |
3166 |
|
|
3167 |
|
|
3168 |
|
// *************** Group *************** |
3169 |
|
// * |
3170 |
|
|
3171 |
|
/** @brief Constructor. |
3172 |
|
* |
3173 |
|
* @param file - pointer to the gig::File object |
3174 |
|
* @param ck3gnm - pointer to 3gnm chunk associated with this group or |
3175 |
|
* NULL if this is a new Group |
3176 |
|
*/ |
3177 |
|
Group::Group(File* file, RIFF::Chunk* ck3gnm) { |
3178 |
|
pFile = file; |
3179 |
|
pNameChunk = ck3gnm; |
3180 |
|
::LoadString(pNameChunk, Name); |
3181 |
|
} |
3182 |
|
|
3183 |
|
Group::~Group() { |
3184 |
|
// remove the chunk associated with this group (if any) |
3185 |
|
if (pNameChunk) pNameChunk->GetParent()->DeleteSubChunk(pNameChunk); |
3186 |
|
} |
3187 |
|
|
3188 |
|
/** @brief Update chunks with current group settings. |
3189 |
|
* |
3190 |
|
* Apply current Group field values to the respective chunks. You have |
3191 |
|
* to call File::Save() to make changes persistent. |
3192 |
|
* |
3193 |
|
* Usually there is absolutely no need to call this method explicitly. |
3194 |
|
* It will be called automatically when File::Save() was called. |
3195 |
|
*/ |
3196 |
|
void Group::UpdateChunks() { |
3197 |
|
// make sure <3gri> and <3gnl> list chunks exist |
3198 |
|
RIFF::List* _3gri = pFile->pRIFF->GetSubList(LIST_TYPE_3GRI); |
3199 |
|
if (!_3gri) { |
3200 |
|
_3gri = pFile->pRIFF->AddSubList(LIST_TYPE_3GRI); |
3201 |
|
pFile->pRIFF->MoveSubChunk(_3gri, pFile->pRIFF->GetSubChunk(CHUNK_ID_PTBL)); |
3202 |
|
} |
3203 |
|
RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL); |
3204 |
|
if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL); |
3205 |
|
|
3206 |
|
if (!pNameChunk && pFile->pVersion && pFile->pVersion->major == 3) { |
3207 |
|
// v3 has a fixed list of 128 strings, find a free one |
3208 |
|
for (RIFF::Chunk* ck = _3gnl->GetFirstSubChunk() ; ck ; ck = _3gnl->GetNextSubChunk()) { |
3209 |
|
if (strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) { |
3210 |
|
pNameChunk = ck; |
3211 |
|
break; |
3212 |
|
} |
3213 |
|
} |
3214 |
|
} |
3215 |
|
|
3216 |
|
// now store the name of this group as <3gnm> chunk as subchunk of the <3gnl> list chunk |
3217 |
|
::SaveString(CHUNK_ID_3GNM, pNameChunk, _3gnl, Name, String("Unnamed Group"), true, 64); |
3218 |
|
} |
3219 |
|
|
3220 |
|
/** |
3221 |
|
* Returns the first Sample of this Group. You have to call this method |
3222 |
|
* once before you use GetNextSample(). |
3223 |
|
* |
3224 |
|
* <b>Notice:</b> this method might block for a long time, in case the |
3225 |
|
* samples of this .gig file were not scanned yet |
3226 |
|
* |
3227 |
|
* @returns pointer address to first Sample or NULL if there is none |
3228 |
|
* applied to this Group |
3229 |
|
* @see GetNextSample() |
3230 |
|
*/ |
3231 |
|
Sample* Group::GetFirstSample() { |
3232 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
3233 |
|
for (Sample* pSample = pFile->GetFirstSample(); pSample; pSample = pFile->GetNextSample()) { |
3234 |
|
if (pSample->GetGroup() == this) return pSample; |
3235 |
|
} |
3236 |
|
return NULL; |
3237 |
|
} |
3238 |
|
|
3239 |
|
/** |
3240 |
|
* Returns the next Sample of the Group. You have to call |
3241 |
|
* GetFirstSample() once before you can use this method. By calling this |
3242 |
|
* method multiple times it iterates through the Samples assigned to |
3243 |
|
* this Group. |
3244 |
|
* |
3245 |
|
* @returns pointer address to the next Sample of this Group or NULL if |
3246 |
|
* end reached |
3247 |
|
* @see GetFirstSample() |
3248 |
|
*/ |
3249 |
|
Sample* Group::GetNextSample() { |
3250 |
|
// FIXME: lazy und unsafe implementation, should be an autonomous iterator |
3251 |
|
for (Sample* pSample = pFile->GetNextSample(); pSample; pSample = pFile->GetNextSample()) { |
3252 |
|
if (pSample->GetGroup() == this) return pSample; |
3253 |
|
} |
3254 |
|
return NULL; |
3255 |
|
} |
3256 |
|
|
3257 |
|
/** |
3258 |
|
* Move Sample given by \a pSample from another Group to this Group. |
3259 |
|
*/ |
3260 |
|
void Group::AddSample(Sample* pSample) { |
3261 |
|
pSample->pGroup = this; |
3262 |
|
} |
3263 |
|
|
3264 |
|
/** |
3265 |
|
* Move all members of this group to another group (preferably the 1st |
3266 |
|
* one except this). This method is called explicitly by |
3267 |
|
* File::DeleteGroup() thus when a Group was deleted. This code was |
3268 |
|
* intentionally not placed in the destructor! |
3269 |
|
*/ |
3270 |
|
void Group::MoveAll() { |
3271 |
|
// get "that" other group first |
3272 |
|
Group* pOtherGroup = NULL; |
3273 |
|
for (pOtherGroup = pFile->GetFirstGroup(); pOtherGroup; pOtherGroup = pFile->GetNextGroup()) { |
3274 |
|
if (pOtherGroup != this) break; |
3275 |
|
} |
3276 |
|
if (!pOtherGroup) throw Exception( |
3277 |
|
"Could not move samples to another group, since there is no " |
3278 |
|
"other Group. This is a bug, report it!" |
3279 |
|
); |
3280 |
|
// now move all samples of this group to the other group |
3281 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
3282 |
|
pOtherGroup->AddSample(pSample); |
3283 |
|
} |
3284 |
|
} |
3285 |
|
|
3286 |
|
|
3287 |
|
|
3288 |
// *************** File *************** |
// *************** File *************** |
3289 |
// * |
// * |
3290 |
|
|
3291 |
|
/// Reflects Gigasampler file format version 2.0 (1998-06-28). |
3292 |
|
const DLS::version_t File::VERSION_2 = { |
3293 |
|
0, 2, 19980628 & 0xffff, 19980628 >> 16 |
3294 |
|
}; |
3295 |
|
|
3296 |
|
/// Reflects Gigasampler file format version 3.0 (2003-03-31). |
3297 |
|
const DLS::version_t File::VERSION_3 = { |
3298 |
|
0, 3, 20030331 & 0xffff, 20030331 >> 16 |
3299 |
|
}; |
3300 |
|
|
3301 |
|
static const DLS::Info::string_length_t _FileFixedStringLengths[] = { |
3302 |
|
{ CHUNK_ID_IARL, 256 }, |
3303 |
|
{ CHUNK_ID_IART, 128 }, |
3304 |
|
{ CHUNK_ID_ICMS, 128 }, |
3305 |
|
{ CHUNK_ID_ICMT, 1024 }, |
3306 |
|
{ CHUNK_ID_ICOP, 128 }, |
3307 |
|
{ CHUNK_ID_ICRD, 128 }, |
3308 |
|
{ CHUNK_ID_IENG, 128 }, |
3309 |
|
{ CHUNK_ID_IGNR, 128 }, |
3310 |
|
{ CHUNK_ID_IKEY, 128 }, |
3311 |
|
{ CHUNK_ID_IMED, 128 }, |
3312 |
|
{ CHUNK_ID_INAM, 128 }, |
3313 |
|
{ CHUNK_ID_IPRD, 128 }, |
3314 |
|
{ CHUNK_ID_ISBJ, 128 }, |
3315 |
|
{ CHUNK_ID_ISFT, 128 }, |
3316 |
|
{ CHUNK_ID_ISRC, 128 }, |
3317 |
|
{ CHUNK_ID_ISRF, 128 }, |
3318 |
|
{ CHUNK_ID_ITCH, 128 }, |
3319 |
|
{ 0, 0 } |
3320 |
|
}; |
3321 |
|
|
3322 |
File::File() : DLS::File() { |
File::File() : DLS::File() { |
3323 |
|
bAutoLoad = true; |
3324 |
|
*pVersion = VERSION_3; |
3325 |
|
pGroups = NULL; |
3326 |
|
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3327 |
|
pInfo->ArchivalLocation = String(256, ' '); |
3328 |
|
|
3329 |
|
// add some mandatory chunks to get the file chunks in right |
3330 |
|
// order (INFO chunk will be moved to first position later) |
3331 |
|
pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
3332 |
|
pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
3333 |
|
pRIFF->AddSubChunk(CHUNK_ID_DLID, 16); |
3334 |
|
|
3335 |
|
GenerateDLSID(); |
3336 |
} |
} |
3337 |
|
|
3338 |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
File::File(RIFF::File* pRIFF) : DLS::File(pRIFF) { |
3339 |
|
bAutoLoad = true; |
3340 |
|
pGroups = NULL; |
3341 |
|
pInfo->SetFixedStringLengths(_FileFixedStringLengths); |
3342 |
} |
} |
3343 |
|
|
3344 |
File::~File() { |
File::~File() { |
3345 |
// free extension files |
if (pGroups) { |
3346 |
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
std::list<Group*>::iterator iter = pGroups->begin(); |
3347 |
delete *i; |
std::list<Group*>::iterator end = pGroups->end(); |
3348 |
|
while (iter != end) { |
3349 |
|
delete *iter; |
3350 |
|
++iter; |
3351 |
|
} |
3352 |
|
delete pGroups; |
3353 |
|
} |
3354 |
} |
} |
3355 |
|
|
3356 |
Sample* File::GetFirstSample(progress_t* pProgress) { |
Sample* File::GetFirstSample(progress_t* pProgress) { |
3380 |
// create new Sample object and its respective 'wave' list chunk |
// create new Sample object and its respective 'wave' list chunk |
3381 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
3382 |
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*/); |
3383 |
|
|
3384 |
|
// add mandatory chunks to get the chunks in right order |
3385 |
|
wave->AddSubChunk(CHUNK_ID_FMT, 16); |
3386 |
|
wave->AddSubList(LIST_TYPE_INFO); |
3387 |
|
|
3388 |
pSamples->push_back(pSample); |
pSamples->push_back(pSample); |
3389 |
return pSample; |
return pSample; |
3390 |
} |
} |
3391 |
|
|
3392 |
/** @brief Delete a sample. |
/** @brief Delete a sample. |
3393 |
* |
* |
3394 |
* 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 |
3395 |
* to call Save() to make this persistent to the file. |
* references to this sample from Regions and DimensionRegions will be |
3396 |
|
* removed. You have to call Save() to make this persistent to the file. |
3397 |
* |
* |
3398 |
* @param pSample - sample to delete |
* @param pSample - sample to delete |
3399 |
* @throws gig::Exception if given sample could not be found |
* @throws gig::Exception if given sample could not be found |
3402 |
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"); |
3403 |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), (DLS::Sample*) pSample); |
3404 |
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"); |
3405 |
|
if (SamplesIterator != pSamples->end() && *SamplesIterator == pSample) ++SamplesIterator; // avoid iterator invalidation |
3406 |
pSamples->erase(iter); |
pSamples->erase(iter); |
3407 |
delete pSample; |
delete pSample; |
3408 |
|
|
3409 |
|
SampleList::iterator tmp = SamplesIterator; |
3410 |
|
// remove all references to the sample |
3411 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3412 |
|
instrument = GetNextInstrument()) { |
3413 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3414 |
|
region = instrument->GetNextRegion()) { |
3415 |
|
|
3416 |
|
if (region->GetSample() == pSample) region->SetSample(NULL); |
3417 |
|
|
3418 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3419 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3420 |
|
if (d->pSample == pSample) d->pSample = NULL; |
3421 |
|
} |
3422 |
|
} |
3423 |
|
} |
3424 |
|
SamplesIterator = tmp; // restore iterator |
3425 |
} |
} |
3426 |
|
|
3427 |
void File::LoadSamples() { |
void File::LoadSamples() { |
3429 |
} |
} |
3430 |
|
|
3431 |
void File::LoadSamples(progress_t* pProgress) { |
void File::LoadSamples(progress_t* pProgress) { |
3432 |
|
// Groups must be loaded before samples, because samples will try |
3433 |
|
// to resolve the group they belong to |
3434 |
|
if (!pGroups) LoadGroups(); |
3435 |
|
|
3436 |
if (!pSamples) pSamples = new SampleList; |
if (!pSamples) pSamples = new SampleList; |
3437 |
|
|
3438 |
RIFF::File* file = pRIFF; |
RIFF::File* file = pRIFF; |
3512 |
progress_t subprogress; |
progress_t subprogress; |
3513 |
__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 |
3514 |
__notify_progress(&subprogress, 0.0f); |
__notify_progress(&subprogress, 0.0f); |
3515 |
GetFirstSample(&subprogress); // now force all samples to be loaded |
if (GetAutoLoad()) |
3516 |
|
GetFirstSample(&subprogress); // now force all samples to be loaded |
3517 |
__notify_progress(&subprogress, 1.0f); |
__notify_progress(&subprogress, 1.0f); |
3518 |
|
|
3519 |
// instrument loading subtask |
// instrument loading subtask |
3546 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
3547 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
3548 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
3549 |
|
|
3550 |
|
// add mandatory chunks to get the chunks in right order |
3551 |
|
lstInstr->AddSubList(LIST_TYPE_INFO); |
3552 |
|
lstInstr->AddSubChunk(CHUNK_ID_DLID, 16); |
3553 |
|
|
3554 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
3555 |
|
pInstrument->GenerateDLSID(); |
3556 |
|
|
3557 |
|
lstInstr->AddSubChunk(CHUNK_ID_INSH, 12); |
3558 |
|
|
3559 |
|
// this string is needed for the gig to be loadable in GSt: |
3560 |
|
pInstrument->pInfo->Software = "Endless Wave"; |
3561 |
|
|
3562 |
pInstruments->push_back(pInstrument); |
pInstruments->push_back(pInstrument); |
3563 |
return pInstrument; |
return pInstrument; |
3564 |
} |
} |
3569 |
* have to call Save() to make this persistent to the file. |
* have to call Save() to make this persistent to the file. |
3570 |
* |
* |
3571 |
* @param pInstrument - instrument to delete |
* @param pInstrument - instrument to delete |
3572 |
* @throws gig::Excption if given instrument could not be found |
* @throws gig::Exception if given instrument could not be found |
3573 |
*/ |
*/ |
3574 |
void File::DeleteInstrument(Instrument* pInstrument) { |
void File::DeleteInstrument(Instrument* pInstrument) { |
3575 |
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"); |
3609 |
} |
} |
3610 |
} |
} |
3611 |
|
|
3612 |
|
/// Updates the 3crc chunk with the checksum of a sample. The |
3613 |
|
/// update is done directly to disk, as this method is called |
3614 |
|
/// after File::Save() |
3615 |
|
void File::SetSampleChecksum(Sample* pSample, uint32_t crc) { |
3616 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3617 |
|
if (!_3crc) return; |
3618 |
|
|
3619 |
|
// get the index of the sample |
3620 |
|
int iWaveIndex = -1; |
3621 |
|
File::SampleList::iterator iter = pSamples->begin(); |
3622 |
|
File::SampleList::iterator end = pSamples->end(); |
3623 |
|
for (int index = 0; iter != end; ++iter, ++index) { |
3624 |
|
if (*iter == pSample) { |
3625 |
|
iWaveIndex = index; |
3626 |
|
break; |
3627 |
|
} |
3628 |
|
} |
3629 |
|
if (iWaveIndex < 0) throw gig::Exception("Could not update crc, could not find sample"); |
3630 |
|
|
3631 |
|
// write the CRC-32 checksum to disk |
3632 |
|
_3crc->SetPos(iWaveIndex * 8); |
3633 |
|
uint32_t tmp = 1; |
3634 |
|
_3crc->WriteUint32(&tmp); // unknown, always 1? |
3635 |
|
_3crc->WriteUint32(&crc); |
3636 |
|
} |
3637 |
|
|
3638 |
|
Group* File::GetFirstGroup() { |
3639 |
|
if (!pGroups) LoadGroups(); |
3640 |
|
// there must always be at least one group |
3641 |
|
GroupsIterator = pGroups->begin(); |
3642 |
|
return *GroupsIterator; |
3643 |
|
} |
3644 |
|
|
3645 |
|
Group* File::GetNextGroup() { |
3646 |
|
if (!pGroups) return NULL; |
3647 |
|
++GroupsIterator; |
3648 |
|
return (GroupsIterator == pGroups->end()) ? NULL : *GroupsIterator; |
3649 |
|
} |
3650 |
|
|
3651 |
|
/** |
3652 |
|
* Returns the group with the given index. |
3653 |
|
* |
3654 |
|
* @param index - number of the sought group (0..n) |
3655 |
|
* @returns sought group or NULL if there's no such group |
3656 |
|
*/ |
3657 |
|
Group* File::GetGroup(uint index) { |
3658 |
|
if (!pGroups) LoadGroups(); |
3659 |
|
GroupsIterator = pGroups->begin(); |
3660 |
|
for (uint i = 0; GroupsIterator != pGroups->end(); i++) { |
3661 |
|
if (i == index) return *GroupsIterator; |
3662 |
|
++GroupsIterator; |
3663 |
|
} |
3664 |
|
return NULL; |
3665 |
|
} |
3666 |
|
|
3667 |
|
Group* File::AddGroup() { |
3668 |
|
if (!pGroups) LoadGroups(); |
3669 |
|
// there must always be at least one group |
3670 |
|
__ensureMandatoryChunksExist(); |
3671 |
|
Group* pGroup = new Group(this, NULL); |
3672 |
|
pGroups->push_back(pGroup); |
3673 |
|
return pGroup; |
3674 |
|
} |
3675 |
|
|
3676 |
|
/** @brief Delete a group and its samples. |
3677 |
|
* |
3678 |
|
* This will delete the given Group object and all the samples that |
3679 |
|
* belong to this group from the gig file. You have to call Save() to |
3680 |
|
* make this persistent to the file. |
3681 |
|
* |
3682 |
|
* @param pGroup - group to delete |
3683 |
|
* @throws gig::Exception if given group could not be found |
3684 |
|
*/ |
3685 |
|
void File::DeleteGroup(Group* pGroup) { |
3686 |
|
if (!pGroups) LoadGroups(); |
3687 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3688 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3689 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3690 |
|
// delete all members of this group |
3691 |
|
for (Sample* pSample = pGroup->GetFirstSample(); pSample; pSample = pGroup->GetNextSample()) { |
3692 |
|
DeleteSample(pSample); |
3693 |
|
} |
3694 |
|
// now delete this group object |
3695 |
|
pGroups->erase(iter); |
3696 |
|
delete pGroup; |
3697 |
|
} |
3698 |
|
|
3699 |
|
/** @brief Delete a group. |
3700 |
|
* |
3701 |
|
* This will delete the given Group object from the gig file. All the |
3702 |
|
* samples that belong to this group will not be deleted, but instead |
3703 |
|
* be moved to another group. You have to call Save() to make this |
3704 |
|
* persistent to the file. |
3705 |
|
* |
3706 |
|
* @param pGroup - group to delete |
3707 |
|
* @throws gig::Exception if given group could not be found |
3708 |
|
*/ |
3709 |
|
void File::DeleteGroupOnly(Group* pGroup) { |
3710 |
|
if (!pGroups) LoadGroups(); |
3711 |
|
std::list<Group*>::iterator iter = find(pGroups->begin(), pGroups->end(), pGroup); |
3712 |
|
if (iter == pGroups->end()) throw gig::Exception("Could not delete group, could not find given group"); |
3713 |
|
if (pGroups->size() == 1) throw gig::Exception("Cannot delete group, there must be at least one default group!"); |
3714 |
|
// move all members of this group to another group |
3715 |
|
pGroup->MoveAll(); |
3716 |
|
pGroups->erase(iter); |
3717 |
|
delete pGroup; |
3718 |
|
} |
3719 |
|
|
3720 |
|
void File::LoadGroups() { |
3721 |
|
if (!pGroups) pGroups = new std::list<Group*>; |
3722 |
|
// try to read defined groups from file |
3723 |
|
RIFF::List* lst3gri = pRIFF->GetSubList(LIST_TYPE_3GRI); |
3724 |
|
if (lst3gri) { |
3725 |
|
RIFF::List* lst3gnl = lst3gri->GetSubList(LIST_TYPE_3GNL); |
3726 |
|
if (lst3gnl) { |
3727 |
|
RIFF::Chunk* ck = lst3gnl->GetFirstSubChunk(); |
3728 |
|
while (ck) { |
3729 |
|
if (ck->GetChunkID() == CHUNK_ID_3GNM) { |
3730 |
|
if (pVersion && pVersion->major == 3 && |
3731 |
|
strcmp(static_cast<char*>(ck->LoadChunkData()), "") == 0) break; |
3732 |
|
|
3733 |
|
pGroups->push_back(new Group(this, ck)); |
3734 |
|
} |
3735 |
|
ck = lst3gnl->GetNextSubChunk(); |
3736 |
|
} |
3737 |
|
} |
3738 |
|
} |
3739 |
|
// if there were no group(s), create at least the mandatory default group |
3740 |
|
if (!pGroups->size()) { |
3741 |
|
Group* pGroup = new Group(this, NULL); |
3742 |
|
pGroup->Name = "Default Group"; |
3743 |
|
pGroups->push_back(pGroup); |
3744 |
|
} |
3745 |
|
} |
3746 |
|
|
3747 |
|
/** |
3748 |
|
* Apply all the gig file's current instruments, samples, groups and settings |
3749 |
|
* to the respective RIFF chunks. You have to call Save() to make changes |
3750 |
|
* persistent. |
3751 |
|
* |
3752 |
|
* Usually there is absolutely no need to call this method explicitly. |
3753 |
|
* It will be called automatically when File::Save() was called. |
3754 |
|
* |
3755 |
|
* @throws Exception - on errors |
3756 |
|
*/ |
3757 |
|
void File::UpdateChunks() { |
3758 |
|
bool newFile = pRIFF->GetSubList(LIST_TYPE_INFO) == NULL; |
3759 |
|
|
3760 |
|
b64BitWavePoolOffsets = pVersion && pVersion->major == 3; |
3761 |
|
|
3762 |
|
// first update base class's chunks |
3763 |
|
DLS::File::UpdateChunks(); |
3764 |
|
|
3765 |
|
if (newFile) { |
3766 |
|
// INFO was added by Resource::UpdateChunks - make sure it |
3767 |
|
// is placed first in file |
3768 |
|
RIFF::Chunk* info = pRIFF->GetSubList(LIST_TYPE_INFO); |
3769 |
|
RIFF::Chunk* first = pRIFF->GetFirstSubChunk(); |
3770 |
|
if (first != info) { |
3771 |
|
pRIFF->MoveSubChunk(info, first); |
3772 |
|
} |
3773 |
|
} |
3774 |
|
|
3775 |
|
// update group's chunks |
3776 |
|
if (pGroups) { |
3777 |
|
std::list<Group*>::iterator iter = pGroups->begin(); |
3778 |
|
std::list<Group*>::iterator end = pGroups->end(); |
3779 |
|
for (; iter != end; ++iter) { |
3780 |
|
(*iter)->UpdateChunks(); |
3781 |
|
} |
3782 |
|
|
3783 |
|
// v3: make sure the file has 128 3gnm chunks |
3784 |
|
if (pVersion && pVersion->major == 3) { |
3785 |
|
RIFF::List* _3gnl = pRIFF->GetSubList(LIST_TYPE_3GRI)->GetSubList(LIST_TYPE_3GNL); |
3786 |
|
RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk(); |
3787 |
|
for (int i = 0 ; i < 128 ; i++) { |
3788 |
|
if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64); |
3789 |
|
if (_3gnm) _3gnm = _3gnl->GetNextSubChunk(); |
3790 |
|
} |
3791 |
|
} |
3792 |
|
} |
3793 |
|
|
3794 |
|
// update einf chunk |
3795 |
|
|
3796 |
|
// The einf chunk contains statistics about the gig file, such |
3797 |
|
// as the number of regions and samples used by each |
3798 |
|
// instrument. It is divided in equally sized parts, where the |
3799 |
|
// first part contains information about the whole gig file, |
3800 |
|
// and the rest of the parts map to each instrument in the |
3801 |
|
// file. |
3802 |
|
// |
3803 |
|
// At the end of each part there is a bit map of each sample |
3804 |
|
// in the file, where a set bit means that the sample is used |
3805 |
|
// by the file/instrument. |
3806 |
|
// |
3807 |
|
// Note that there are several fields with unknown use. These |
3808 |
|
// are set to zero. |
3809 |
|
|
3810 |
|
int sublen = pSamples->size() / 8 + 49; |
3811 |
|
int einfSize = (Instruments + 1) * sublen; |
3812 |
|
|
3813 |
|
RIFF::Chunk* einf = pRIFF->GetSubChunk(CHUNK_ID_EINF); |
3814 |
|
if (einf) { |
3815 |
|
if (einf->GetSize() != einfSize) { |
3816 |
|
einf->Resize(einfSize); |
3817 |
|
memset(einf->LoadChunkData(), 0, einfSize); |
3818 |
|
} |
3819 |
|
} else if (newFile) { |
3820 |
|
einf = pRIFF->AddSubChunk(CHUNK_ID_EINF, einfSize); |
3821 |
|
} |
3822 |
|
if (einf) { |
3823 |
|
uint8_t* pData = (uint8_t*) einf->LoadChunkData(); |
3824 |
|
|
3825 |
|
std::map<gig::Sample*,int> sampleMap; |
3826 |
|
int sampleIdx = 0; |
3827 |
|
for (Sample* pSample = GetFirstSample(); pSample; pSample = GetNextSample()) { |
3828 |
|
sampleMap[pSample] = sampleIdx++; |
3829 |
|
} |
3830 |
|
|
3831 |
|
int totnbusedsamples = 0; |
3832 |
|
int totnbusedchannels = 0; |
3833 |
|
int totnbregions = 0; |
3834 |
|
int totnbdimregions = 0; |
3835 |
|
int totnbloops = 0; |
3836 |
|
int instrumentIdx = 0; |
3837 |
|
|
3838 |
|
memset(&pData[48], 0, sublen - 48); |
3839 |
|
|
3840 |
|
for (Instrument* instrument = GetFirstInstrument() ; instrument ; |
3841 |
|
instrument = GetNextInstrument()) { |
3842 |
|
int nbusedsamples = 0; |
3843 |
|
int nbusedchannels = 0; |
3844 |
|
int nbdimregions = 0; |
3845 |
|
int nbloops = 0; |
3846 |
|
|
3847 |
|
memset(&pData[(instrumentIdx + 1) * sublen + 48], 0, sublen - 48); |
3848 |
|
|
3849 |
|
for (Region* region = instrument->GetFirstRegion() ; region ; |
3850 |
|
region = instrument->GetNextRegion()) { |
3851 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) { |
3852 |
|
gig::DimensionRegion *d = region->pDimensionRegions[i]; |
3853 |
|
if (d->pSample) { |
3854 |
|
int sampleIdx = sampleMap[d->pSample]; |
3855 |
|
int byte = 48 + sampleIdx / 8; |
3856 |
|
int bit = 1 << (sampleIdx & 7); |
3857 |
|
if ((pData[(instrumentIdx + 1) * sublen + byte] & bit) == 0) { |
3858 |
|
pData[(instrumentIdx + 1) * sublen + byte] |= bit; |
3859 |
|
nbusedsamples++; |
3860 |
|
nbusedchannels += d->pSample->Channels; |
3861 |
|
|
3862 |
|
if ((pData[byte] & bit) == 0) { |
3863 |
|
pData[byte] |= bit; |
3864 |
|
totnbusedsamples++; |
3865 |
|
totnbusedchannels += d->pSample->Channels; |
3866 |
|
} |
3867 |
|
} |
3868 |
|
} |
3869 |
|
if (d->SampleLoops) nbloops++; |
3870 |
|
} |
3871 |
|
nbdimregions += region->DimensionRegions; |
3872 |
|
} |
3873 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3874 |
|
// store32(&pData[(instrumentIdx + 1) * sublen], sublen); |
3875 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 4], nbusedchannels); |
3876 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 8], nbusedsamples); |
3877 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 12], 1); |
3878 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 16], instrument->Regions); |
3879 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 20], nbdimregions); |
3880 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 24], nbloops); |
3881 |
|
// next 8 bytes unknown |
3882 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 36], instrumentIdx); |
3883 |
|
store32(&pData[(instrumentIdx + 1) * sublen + 40], pSamples->size()); |
3884 |
|
// next 4 bytes unknown |
3885 |
|
|
3886 |
|
totnbregions += instrument->Regions; |
3887 |
|
totnbdimregions += nbdimregions; |
3888 |
|
totnbloops += nbloops; |
3889 |
|
instrumentIdx++; |
3890 |
|
} |
3891 |
|
// first 4 bytes unknown - sometimes 0, sometimes length of einf part |
3892 |
|
// store32(&pData[0], sublen); |
3893 |
|
store32(&pData[4], totnbusedchannels); |
3894 |
|
store32(&pData[8], totnbusedsamples); |
3895 |
|
store32(&pData[12], Instruments); |
3896 |
|
store32(&pData[16], totnbregions); |
3897 |
|
store32(&pData[20], totnbdimregions); |
3898 |
|
store32(&pData[24], totnbloops); |
3899 |
|
// next 8 bytes unknown |
3900 |
|
// next 4 bytes unknown, not always 0 |
3901 |
|
store32(&pData[40], pSamples->size()); |
3902 |
|
// next 4 bytes unknown |
3903 |
|
} |
3904 |
|
|
3905 |
|
// update 3crc chunk |
3906 |
|
|
3907 |
|
// The 3crc chunk contains CRC-32 checksums for the |
3908 |
|
// samples. The actual checksum values will be filled in |
3909 |
|
// later, by Sample::Write. |
3910 |
|
|
3911 |
|
RIFF::Chunk* _3crc = pRIFF->GetSubChunk(CHUNK_ID_3CRC); |
3912 |
|
if (_3crc) { |
3913 |
|
_3crc->Resize(pSamples->size() * 8); |
3914 |
|
} else if (newFile) { |
3915 |
|
_3crc = pRIFF->AddSubChunk(CHUNK_ID_3CRC, pSamples->size() * 8); |
3916 |
|
_3crc->LoadChunkData(); |
3917 |
|
|
3918 |
|
// the order of einf and 3crc is not the same in v2 and v3 |
3919 |
|
if (einf && pVersion && pVersion->major == 3) pRIFF->MoveSubChunk(_3crc, einf); |
3920 |
|
} |
3921 |
|
} |
3922 |
|
|
3923 |
|
/** |
3924 |
|
* Enable / disable automatic loading. By default this properyt is |
3925 |
|
* enabled and all informations are loaded automatically. However |
3926 |
|
* loading all Regions, DimensionRegions and especially samples might |
3927 |
|
* take a long time for large .gig files, and sometimes one might only |
3928 |
|
* be interested in retrieving very superficial informations like the |
3929 |
|
* amount of instruments and their names. In this case one might disable |
3930 |
|
* automatic loading to avoid very slow response times. |
3931 |
|
* |
3932 |
|
* @e CAUTION: by disabling this property many pointers (i.e. sample |
3933 |
|
* references) and informations will have invalid or even undefined |
3934 |
|
* data! This feature is currently only intended for retrieving very |
3935 |
|
* superficial informations in a very fast way. Don't use it to retrieve |
3936 |
|
* details like synthesis informations or even to modify .gig files! |
3937 |
|
*/ |
3938 |
|
void File::SetAutoLoad(bool b) { |
3939 |
|
bAutoLoad = b; |
3940 |
|
} |
3941 |
|
|
3942 |
|
/** |
3943 |
|
* Returns whether automatic loading is enabled. |
3944 |
|
* @see SetAutoLoad() |
3945 |
|
*/ |
3946 |
|
bool File::GetAutoLoad() { |
3947 |
|
return bAutoLoad; |
3948 |
|
} |
3949 |
|
|
3950 |
|
|
3951 |
|
|
3952 |
// *************** Exception *************** |
// *************** Exception *************** |