/[svn]/libgig/trunk/src/gig.cpp
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Diff of /libgig/trunk/src/gig.cpp

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revision 1627 by persson, Sun Jan 6 10:53:53 2008 UTC revision 2557 by schoenebeck, Sat May 17 23:31:20 2014 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file access library    *   *   libgig - C++ cross-platform Gigasampler format file access library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003-2007 by Christian Schoenebeck                      *   *   Copyright (C) 2003-2014 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  *
# Line 25  Line 25 
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    #include <assert.h>
32    
33  /// Initial size of the sample buffer which is used for decompression of  /// Initial size of the sample buffer which is used for decompression of
34  /// compressed sample wave streams - this value should always be bigger than  /// compressed sample wave streams - this value should always be bigger than
# Line 453  namespace { Line 455  namespace {
455      }      }
456    
457      /**      /**
458         * Make a (semi) deep copy of the Sample object given by @a orig (without
459         * the actual waveform data) and assign it to this object.
460         *
461         * Discussion: copying .gig samples is a bit tricky. It requires three
462         * steps:
463         * 1. Copy sample's meta informations (done by CopyAssignMeta()) including
464         *    its new sample waveform data size.
465         * 2. Saving the file (done by File::Save()) so that it gains correct size
466         *    and layout for writing the actual wave form data directly to disc
467         *    in next step.
468         * 3. Copy the waveform data with disk streaming (done by CopyAssignWave()).
469         *
470         * @param orig - original Sample object to be copied from
471         */
472        void Sample::CopyAssignMeta(const Sample* orig) {
473            // handle base classes
474            DLS::Sample::CopyAssignCore(orig);
475            
476            // handle actual own attributes of this class
477            Manufacturer = orig->Manufacturer;
478            Product = orig->Product;
479            SamplePeriod = orig->SamplePeriod;
480            MIDIUnityNote = orig->MIDIUnityNote;
481            FineTune = orig->FineTune;
482            SMPTEFormat = orig->SMPTEFormat;
483            SMPTEOffset = orig->SMPTEOffset;
484            Loops = orig->Loops;
485            LoopID = orig->LoopID;
486            LoopType = orig->LoopType;
487            LoopStart = orig->LoopStart;
488            LoopEnd = orig->LoopEnd;
489            LoopSize = orig->LoopSize;
490            LoopFraction = orig->LoopFraction;
491            LoopPlayCount = orig->LoopPlayCount;
492            
493            // schedule resizing this sample to the given sample's size
494            Resize(orig->GetSize());
495        }
496    
497        /**
498         * Should be called after CopyAssignMeta() and File::Save() sequence.
499         * Read more about it in the discussion of CopyAssignMeta(). This method
500         * copies the actual waveform data by disk streaming.
501         *
502         * @e CAUTION: this method is currently not thread safe! During this
503         * operation the sample must not be used for other purposes by other
504         * threads!
505         *
506         * @param orig - original Sample object to be copied from
507         */
508        void Sample::CopyAssignWave(const Sample* orig) {
509            const int iReadAtOnce = 32*1024;
510            char* buf = new char[iReadAtOnce * orig->FrameSize];
511            Sample* pOrig = (Sample*) orig; //HACK: remove constness for now
512            unsigned long restorePos = pOrig->GetPos();
513            pOrig->SetPos(0);
514            SetPos(0);
515            for (unsigned long n = pOrig->Read(buf, iReadAtOnce); n;
516                               n = pOrig->Read(buf, iReadAtOnce))
517            {
518                Write(buf, n);
519            }
520            pOrig->SetPos(restorePos);
521            delete [] buf;
522        }
523    
524        /**
525       * Apply sample and its settings to the respective RIFF chunks. You have       * Apply sample and its settings to the respective RIFF chunks. You have
526       * to call File::Save() to make changes persistent.       * to call File::Save() to make changes persistent.
527       *       *
# Line 513  namespace { Line 582  namespace {
582          // update '3gix' chunk          // update '3gix' chunk
583          pData = (uint8_t*) pCk3gix->LoadChunkData();          pData = (uint8_t*) pCk3gix->LoadChunkData();
584          store16(&pData[0], iSampleGroup);          store16(&pData[0], iSampleGroup);
585    
586            // if the library user toggled the "Compressed" attribute from true to
587            // false, then the EWAV chunk associated with compressed samples needs
588            // to be deleted
589            RIFF::Chunk* ewav = pWaveList->GetSubChunk(CHUNK_ID_EWAV);
590            if (ewav && !Compressed) {
591                pWaveList->DeleteSubChunk(ewav);
592            }
593      }      }
594    
595      /// 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).
# Line 676  namespace { Line 753  namespace {
753          if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal;          if (SampleCount > this->SamplesTotal) SampleCount = this->SamplesTotal;
754          if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart;          if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart;
755          unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize;          unsigned long allocationsize = (SampleCount + NullSamplesCount) * this->FrameSize;
756            SetPos(0); // reset read position to begin of sample
757          RAMCache.pStart            = new int8_t[allocationsize];          RAMCache.pStart            = new int8_t[allocationsize];
758          RAMCache.Size              = Read(RAMCache.pStart, SampleCount) * this->FrameSize;          RAMCache.Size              = Read(RAMCache.pStart, SampleCount) * this->FrameSize;
759          RAMCache.NullExtensionSize = allocationsize - RAMCache.Size;          RAMCache.NullExtensionSize = allocationsize - RAMCache.Size;
# Line 713  namespace { Line 791  namespace {
791          if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart;          if (RAMCache.pStart) delete[] (int8_t*) RAMCache.pStart;
792          RAMCache.pStart = NULL;          RAMCache.pStart = NULL;
793          RAMCache.Size   = 0;          RAMCache.Size   = 0;
794            RAMCache.NullExtensionSize = 0;
795      }      }
796    
797      /** @brief Resize sample.      /** @brief Resize sample.
# Line 805  namespace { Line 884  namespace {
884      /**      /**
885       * Returns the current position in the sample (in sample points).       * Returns the current position in the sample (in sample points).
886       */       */
887      unsigned long Sample::GetPos() {      unsigned long Sample::GetPos() const {
888          if (Compressed) return SamplePos;          if (Compressed) return SamplePos;
889          else            return pCkData->GetPos() / FrameSize;          else            return pCkData->GetPos() / FrameSize;
890      }      }
# Line 907  namespace { Line 986  namespace {
986                                  }                                  }
987    
988                                  // reverse the sample frames for backward playback                                  // reverse the sample frames for backward playback
989                                  SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize);                                  if (totalreadsamples > swapareastart) //FIXME: this if() is just a crash workaround for now (#102), but totalreadsamples <= swapareastart should never be the case, so there's probably still a bug above!
990                                        SwapMemoryArea(&pDst[swapareastart * this->FrameSize], (totalreadsamples - swapareastart) * this->FrameSize, this->FrameSize);
991                              }                              }
992                          } while (samplestoread && readsamples);                          } while (samplestoread && readsamples);
993                          break;                          break;
# Line 1429  namespace { Line 1509  namespace {
1509                                                          : vcf_res_ctrl_none;                                                          : vcf_res_ctrl_none;
1510              uint16_t eg3depth = _3ewa->ReadUint16();              uint16_t eg3depth = _3ewa->ReadUint16();
1511              EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */              EG3Depth = (eg3depth <= 1200) ? eg3depth /* positives */
1512                                          : (-1) * (int16_t) ((eg3depth ^ 0xffff) + 1); /* binary complementary for negatives */                                          : (-1) * (int16_t) ((eg3depth ^ 0xfff) + 1); /* binary complementary for negatives */
1513              _3ewa->ReadInt16(); // unknown              _3ewa->ReadInt16(); // unknown
1514              ChannelOffset = _3ewa->ReadUint8() / 4;              ChannelOffset = _3ewa->ReadUint8() / 4;
1515              uint8_t regoptions = _3ewa->ReadUint8();              uint8_t regoptions = _3ewa->ReadUint8();
# Line 1577  namespace { Line 1657  namespace {
1657       */       */
1658      DimensionRegion::DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src) : DLS::Sampler(_3ewl) {      DimensionRegion::DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src) : DLS::Sampler(_3ewl) {
1659          Instances++;          Instances++;
1660            //NOTE: I think we cannot call CopyAssign() here (in a constructor) as long as its a virtual method
1661          *this = src; // default memberwise shallow copy of all parameters          *this = src; // default memberwise shallow copy of all parameters
1662          pParentList = _3ewl; // restore the chunk pointer          pParentList = _3ewl; // restore the chunk pointer
1663    
# Line 1592  namespace { Line 1673  namespace {
1673                  pSampleLoops[k] = src.pSampleLoops[k];                  pSampleLoops[k] = src.pSampleLoops[k];
1674          }          }
1675      }      }
1676        
1677        /**
1678         * Make a (semi) deep copy of the DimensionRegion object given by @a orig
1679         * and assign it to this object.
1680         *
1681         * Note that all sample pointers referenced by @a orig are simply copied as
1682         * memory address. Thus the respective samples are shared, not duplicated!
1683         *
1684         * @param orig - original DimensionRegion object to be copied from
1685         */
1686        void DimensionRegion::CopyAssign(const DimensionRegion* orig) {
1687            CopyAssign(orig, NULL);
1688        }
1689    
1690        /**
1691         * Make a (semi) deep copy of the DimensionRegion object given by @a orig
1692         * and assign it to this object.
1693         *
1694         * @param orig - original DimensionRegion object to be copied from
1695         * @param mSamples - crosslink map between the foreign file's samples and
1696         *                   this file's samples
1697         */
1698        void DimensionRegion::CopyAssign(const DimensionRegion* orig, const std::map<Sample*,Sample*>* mSamples) {
1699            // delete all allocated data first
1700            if (VelocityTable) delete [] VelocityTable;
1701            if (pSampleLoops) delete [] pSampleLoops;
1702            
1703            // backup parent list pointer
1704            RIFF::List* p = pParentList;
1705            
1706            gig::Sample* pOriginalSample = pSample;
1707            gig::Region* pOriginalRegion = pRegion;
1708            
1709            //NOTE: copy code copied from assignment constructor above, see comment there as well
1710            
1711            *this = *orig; // default memberwise shallow copy of all parameters
1712            
1713            // restore members that shall not be altered
1714            pParentList = p; // restore the chunk pointer
1715            pRegion = pOriginalRegion;
1716            
1717            // only take the raw sample reference reference if the
1718            // two DimensionRegion objects are part of the same file
1719            if (pOriginalRegion->GetParent()->GetParent() != orig->pRegion->GetParent()->GetParent()) {
1720                pSample = pOriginalSample;
1721            }
1722            
1723            if (mSamples && mSamples->count(orig->pSample)) {
1724                pSample = mSamples->find(orig->pSample)->second;
1725            }
1726    
1727            // deep copy of owned structures
1728            if (orig->VelocityTable) {
1729                VelocityTable = new uint8_t[128];
1730                for (int k = 0 ; k < 128 ; k++)
1731                    VelocityTable[k] = orig->VelocityTable[k];
1732            }
1733            if (orig->pSampleLoops) {
1734                pSampleLoops = new DLS::sample_loop_t[orig->SampleLoops];
1735                for (int k = 0 ; k < orig->SampleLoops ; k++)
1736                    pSampleLoops[k] = orig->pSampleLoops[k];
1737            }
1738        }
1739    
1740      /**      /**
1741       * Updates the respective member variable and updates @c SampleAttenuation       * Updates the respective member variable and updates @c SampleAttenuation
# Line 1833  namespace { Line 1977  namespace {
1977          }          }
1978    
1979          const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth          const uint16_t eg3depth = (EG3Depth >= 0) ? EG3Depth
1980                                                    : uint16_t(((-EG3Depth) - 1) ^ 0xffff); /* binary complementary for negatives */                                                    : uint16_t(((-EG3Depth) - 1) ^ 0xfff); /* binary complementary for negatives */
1981          pData[116] = eg3depth;          store16(&pData[116], eg3depth);
1982    
1983          // next 2 bytes unknown          // next 2 bytes unknown
1984    
# Line 1881  namespace { Line 2025  namespace {
2025                                        (VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */                                        (VCFKeyboardTrackingBreakpoint & 0x7f); /* lower 7 bits */
2026          pData[137] = vcfbreakpoint;          pData[137] = vcfbreakpoint;
2027    
2028          const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 |          const uint8_t vcfvelocity = VCFVelocityDynamicRange % 5 +
2029                                      VCFVelocityCurve * 5;                                      VCFVelocityCurve * 5;
2030          pData[138] = vcfvelocity;          pData[138] = vcfvelocity;
2031    
# Line 1946  namespace { Line 2090  namespace {
2090          return pRegion;          return pRegion;
2091      }      }
2092    
2093    // show error if some _lev_ctrl_* enum entry is not listed in the following function
2094    // (commented out for now, because "diagnostic push" not supported prior GCC 4.6)
2095    // TODO: uncomment and add a GCC version check (see also commented "#pragma GCC diagnostic pop" below)
2096    //#pragma GCC diagnostic push
2097    //#pragma GCC diagnostic error "-Wswitch"
2098    
2099      leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) {      leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) {
2100          leverage_ctrl_t decodedcontroller;          leverage_ctrl_t decodedcontroller;
2101          switch (EncodedController) {          switch (EncodedController) {
# Line 2057  namespace { Line 2207  namespace {
2207                  decodedcontroller.controller_number = 95;                  decodedcontroller.controller_number = 95;
2208                  break;                  break;
2209    
2210                // format extension (these controllers are so far only supported by
2211                // LinuxSampler & gigedit) they will *NOT* work with
2212                // Gigasampler/GigaStudio !
2213                case _lev_ctrl_CC3_EXT:
2214                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2215                    decodedcontroller.controller_number = 3;
2216                    break;
2217                case _lev_ctrl_CC6_EXT:
2218                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2219                    decodedcontroller.controller_number = 6;
2220                    break;
2221                case _lev_ctrl_CC7_EXT:
2222                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2223                    decodedcontroller.controller_number = 7;
2224                    break;
2225                case _lev_ctrl_CC8_EXT:
2226                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2227                    decodedcontroller.controller_number = 8;
2228                    break;
2229                case _lev_ctrl_CC9_EXT:
2230                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2231                    decodedcontroller.controller_number = 9;
2232                    break;
2233                case _lev_ctrl_CC10_EXT:
2234                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2235                    decodedcontroller.controller_number = 10;
2236                    break;
2237                case _lev_ctrl_CC11_EXT:
2238                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2239                    decodedcontroller.controller_number = 11;
2240                    break;
2241                case _lev_ctrl_CC14_EXT:
2242                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2243                    decodedcontroller.controller_number = 14;
2244                    break;
2245                case _lev_ctrl_CC15_EXT:
2246                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2247                    decodedcontroller.controller_number = 15;
2248                    break;
2249                case _lev_ctrl_CC20_EXT:
2250                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2251                    decodedcontroller.controller_number = 20;
2252                    break;
2253                case _lev_ctrl_CC21_EXT:
2254                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2255                    decodedcontroller.controller_number = 21;
2256                    break;
2257                case _lev_ctrl_CC22_EXT:
2258                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2259                    decodedcontroller.controller_number = 22;
2260                    break;
2261                case _lev_ctrl_CC23_EXT:
2262                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2263                    decodedcontroller.controller_number = 23;
2264                    break;
2265                case _lev_ctrl_CC24_EXT:
2266                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2267                    decodedcontroller.controller_number = 24;
2268                    break;
2269                case _lev_ctrl_CC25_EXT:
2270                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2271                    decodedcontroller.controller_number = 25;
2272                    break;
2273                case _lev_ctrl_CC26_EXT:
2274                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2275                    decodedcontroller.controller_number = 26;
2276                    break;
2277                case _lev_ctrl_CC27_EXT:
2278                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2279                    decodedcontroller.controller_number = 27;
2280                    break;
2281                case _lev_ctrl_CC28_EXT:
2282                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2283                    decodedcontroller.controller_number = 28;
2284                    break;
2285                case _lev_ctrl_CC29_EXT:
2286                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2287                    decodedcontroller.controller_number = 29;
2288                    break;
2289                case _lev_ctrl_CC30_EXT:
2290                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2291                    decodedcontroller.controller_number = 30;
2292                    break;
2293                case _lev_ctrl_CC31_EXT:
2294                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2295                    decodedcontroller.controller_number = 31;
2296                    break;
2297                case _lev_ctrl_CC68_EXT:
2298                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2299                    decodedcontroller.controller_number = 68;
2300                    break;
2301                case _lev_ctrl_CC69_EXT:
2302                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2303                    decodedcontroller.controller_number = 69;
2304                    break;
2305                case _lev_ctrl_CC70_EXT:
2306                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2307                    decodedcontroller.controller_number = 70;
2308                    break;
2309                case _lev_ctrl_CC71_EXT:
2310                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2311                    decodedcontroller.controller_number = 71;
2312                    break;
2313                case _lev_ctrl_CC72_EXT:
2314                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2315                    decodedcontroller.controller_number = 72;
2316                    break;
2317                case _lev_ctrl_CC73_EXT:
2318                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2319                    decodedcontroller.controller_number = 73;
2320                    break;
2321                case _lev_ctrl_CC74_EXT:
2322                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2323                    decodedcontroller.controller_number = 74;
2324                    break;
2325                case _lev_ctrl_CC75_EXT:
2326                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2327                    decodedcontroller.controller_number = 75;
2328                    break;
2329                case _lev_ctrl_CC76_EXT:
2330                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2331                    decodedcontroller.controller_number = 76;
2332                    break;
2333                case _lev_ctrl_CC77_EXT:
2334                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2335                    decodedcontroller.controller_number = 77;
2336                    break;
2337                case _lev_ctrl_CC78_EXT:
2338                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2339                    decodedcontroller.controller_number = 78;
2340                    break;
2341                case _lev_ctrl_CC79_EXT:
2342                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2343                    decodedcontroller.controller_number = 79;
2344                    break;
2345                case _lev_ctrl_CC84_EXT:
2346                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2347                    decodedcontroller.controller_number = 84;
2348                    break;
2349                case _lev_ctrl_CC85_EXT:
2350                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2351                    decodedcontroller.controller_number = 85;
2352                    break;
2353                case _lev_ctrl_CC86_EXT:
2354                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2355                    decodedcontroller.controller_number = 86;
2356                    break;
2357                case _lev_ctrl_CC87_EXT:
2358                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2359                    decodedcontroller.controller_number = 87;
2360                    break;
2361                case _lev_ctrl_CC89_EXT:
2362                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2363                    decodedcontroller.controller_number = 89;
2364                    break;
2365                case _lev_ctrl_CC90_EXT:
2366                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2367                    decodedcontroller.controller_number = 90;
2368                    break;
2369                case _lev_ctrl_CC96_EXT:
2370                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2371                    decodedcontroller.controller_number = 96;
2372                    break;
2373                case _lev_ctrl_CC97_EXT:
2374                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2375                    decodedcontroller.controller_number = 97;
2376                    break;
2377                case _lev_ctrl_CC102_EXT:
2378                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2379                    decodedcontroller.controller_number = 102;
2380                    break;
2381                case _lev_ctrl_CC103_EXT:
2382                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2383                    decodedcontroller.controller_number = 103;
2384                    break;
2385                case _lev_ctrl_CC104_EXT:
2386                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2387                    decodedcontroller.controller_number = 104;
2388                    break;
2389                case _lev_ctrl_CC105_EXT:
2390                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2391                    decodedcontroller.controller_number = 105;
2392                    break;
2393                case _lev_ctrl_CC106_EXT:
2394                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2395                    decodedcontroller.controller_number = 106;
2396                    break;
2397                case _lev_ctrl_CC107_EXT:
2398                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2399                    decodedcontroller.controller_number = 107;
2400                    break;
2401                case _lev_ctrl_CC108_EXT:
2402                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2403                    decodedcontroller.controller_number = 108;
2404                    break;
2405                case _lev_ctrl_CC109_EXT:
2406                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2407                    decodedcontroller.controller_number = 109;
2408                    break;
2409                case _lev_ctrl_CC110_EXT:
2410                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2411                    decodedcontroller.controller_number = 110;
2412                    break;
2413                case _lev_ctrl_CC111_EXT:
2414                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2415                    decodedcontroller.controller_number = 111;
2416                    break;
2417                case _lev_ctrl_CC112_EXT:
2418                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2419                    decodedcontroller.controller_number = 112;
2420                    break;
2421                case _lev_ctrl_CC113_EXT:
2422                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2423                    decodedcontroller.controller_number = 113;
2424                    break;
2425                case _lev_ctrl_CC114_EXT:
2426                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2427                    decodedcontroller.controller_number = 114;
2428                    break;
2429                case _lev_ctrl_CC115_EXT:
2430                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2431                    decodedcontroller.controller_number = 115;
2432                    break;
2433                case _lev_ctrl_CC116_EXT:
2434                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2435                    decodedcontroller.controller_number = 116;
2436                    break;
2437                case _lev_ctrl_CC117_EXT:
2438                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2439                    decodedcontroller.controller_number = 117;
2440                    break;
2441                case _lev_ctrl_CC118_EXT:
2442                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2443                    decodedcontroller.controller_number = 118;
2444                    break;
2445                case _lev_ctrl_CC119_EXT:
2446                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2447                    decodedcontroller.controller_number = 119;
2448                    break;
2449    
2450              // unknown controller type              // unknown controller type
2451              default:              default:
2452                  throw gig::Exception("Unknown leverage controller type.");                  throw gig::Exception("Unknown leverage controller type.");
2453          }          }
2454          return decodedcontroller;          return decodedcontroller;
2455      }      }
2456        
2457    // see above (diagnostic push not supported prior GCC 4.6)
2458    //#pragma GCC diagnostic pop
2459    
2460      DimensionRegion::_lev_ctrl_t DimensionRegion::EncodeLeverageController(leverage_ctrl_t DecodedController) {      DimensionRegion::_lev_ctrl_t DimensionRegion::EncodeLeverageController(leverage_ctrl_t DecodedController) {
2461          _lev_ctrl_t encodedcontroller;          _lev_ctrl_t encodedcontroller;
# Line 2150  namespace { Line 2543  namespace {
2543                      case 95:                      case 95:
2544                          encodedcontroller = _lev_ctrl_effect5depth;                          encodedcontroller = _lev_ctrl_effect5depth;
2545                          break;                          break;
2546    
2547                        // format extension (these controllers are so far only
2548                        // supported by LinuxSampler & gigedit) they will *NOT*
2549                        // work with Gigasampler/GigaStudio !
2550                        case 3:
2551                            encodedcontroller = _lev_ctrl_CC3_EXT;
2552                            break;
2553                        case 6:
2554                            encodedcontroller = _lev_ctrl_CC6_EXT;
2555                            break;
2556                        case 7:
2557                            encodedcontroller = _lev_ctrl_CC7_EXT;
2558                            break;
2559                        case 8:
2560                            encodedcontroller = _lev_ctrl_CC8_EXT;
2561                            break;
2562                        case 9:
2563                            encodedcontroller = _lev_ctrl_CC9_EXT;
2564                            break;
2565                        case 10:
2566                            encodedcontroller = _lev_ctrl_CC10_EXT;
2567                            break;
2568                        case 11:
2569                            encodedcontroller = _lev_ctrl_CC11_EXT;
2570                            break;
2571                        case 14:
2572                            encodedcontroller = _lev_ctrl_CC14_EXT;
2573                            break;
2574                        case 15:
2575                            encodedcontroller = _lev_ctrl_CC15_EXT;
2576                            break;
2577                        case 20:
2578                            encodedcontroller = _lev_ctrl_CC20_EXT;
2579                            break;
2580                        case 21:
2581                            encodedcontroller = _lev_ctrl_CC21_EXT;
2582                            break;
2583                        case 22:
2584                            encodedcontroller = _lev_ctrl_CC22_EXT;
2585                            break;
2586                        case 23:
2587                            encodedcontroller = _lev_ctrl_CC23_EXT;
2588                            break;
2589                        case 24:
2590                            encodedcontroller = _lev_ctrl_CC24_EXT;
2591                            break;
2592                        case 25:
2593                            encodedcontroller = _lev_ctrl_CC25_EXT;
2594                            break;
2595                        case 26:
2596                            encodedcontroller = _lev_ctrl_CC26_EXT;
2597                            break;
2598                        case 27:
2599                            encodedcontroller = _lev_ctrl_CC27_EXT;
2600                            break;
2601                        case 28:
2602                            encodedcontroller = _lev_ctrl_CC28_EXT;
2603                            break;
2604                        case 29:
2605                            encodedcontroller = _lev_ctrl_CC29_EXT;
2606                            break;
2607                        case 30:
2608                            encodedcontroller = _lev_ctrl_CC30_EXT;
2609                            break;
2610                        case 31:
2611                            encodedcontroller = _lev_ctrl_CC31_EXT;
2612                            break;
2613                        case 68:
2614                            encodedcontroller = _lev_ctrl_CC68_EXT;
2615                            break;
2616                        case 69:
2617                            encodedcontroller = _lev_ctrl_CC69_EXT;
2618                            break;
2619                        case 70:
2620                            encodedcontroller = _lev_ctrl_CC70_EXT;
2621                            break;
2622                        case 71:
2623                            encodedcontroller = _lev_ctrl_CC71_EXT;
2624                            break;
2625                        case 72:
2626                            encodedcontroller = _lev_ctrl_CC72_EXT;
2627                            break;
2628                        case 73:
2629                            encodedcontroller = _lev_ctrl_CC73_EXT;
2630                            break;
2631                        case 74:
2632                            encodedcontroller = _lev_ctrl_CC74_EXT;
2633                            break;
2634                        case 75:
2635                            encodedcontroller = _lev_ctrl_CC75_EXT;
2636                            break;
2637                        case 76:
2638                            encodedcontroller = _lev_ctrl_CC76_EXT;
2639                            break;
2640                        case 77:
2641                            encodedcontroller = _lev_ctrl_CC77_EXT;
2642                            break;
2643                        case 78:
2644                            encodedcontroller = _lev_ctrl_CC78_EXT;
2645                            break;
2646                        case 79:
2647                            encodedcontroller = _lev_ctrl_CC79_EXT;
2648                            break;
2649                        case 84:
2650                            encodedcontroller = _lev_ctrl_CC84_EXT;
2651                            break;
2652                        case 85:
2653                            encodedcontroller = _lev_ctrl_CC85_EXT;
2654                            break;
2655                        case 86:
2656                            encodedcontroller = _lev_ctrl_CC86_EXT;
2657                            break;
2658                        case 87:
2659                            encodedcontroller = _lev_ctrl_CC87_EXT;
2660                            break;
2661                        case 89:
2662                            encodedcontroller = _lev_ctrl_CC89_EXT;
2663                            break;
2664                        case 90:
2665                            encodedcontroller = _lev_ctrl_CC90_EXT;
2666                            break;
2667                        case 96:
2668                            encodedcontroller = _lev_ctrl_CC96_EXT;
2669                            break;
2670                        case 97:
2671                            encodedcontroller = _lev_ctrl_CC97_EXT;
2672                            break;
2673                        case 102:
2674                            encodedcontroller = _lev_ctrl_CC102_EXT;
2675                            break;
2676                        case 103:
2677                            encodedcontroller = _lev_ctrl_CC103_EXT;
2678                            break;
2679                        case 104:
2680                            encodedcontroller = _lev_ctrl_CC104_EXT;
2681                            break;
2682                        case 105:
2683                            encodedcontroller = _lev_ctrl_CC105_EXT;
2684                            break;
2685                        case 106:
2686                            encodedcontroller = _lev_ctrl_CC106_EXT;
2687                            break;
2688                        case 107:
2689                            encodedcontroller = _lev_ctrl_CC107_EXT;
2690                            break;
2691                        case 108:
2692                            encodedcontroller = _lev_ctrl_CC108_EXT;
2693                            break;
2694                        case 109:
2695                            encodedcontroller = _lev_ctrl_CC109_EXT;
2696                            break;
2697                        case 110:
2698                            encodedcontroller = _lev_ctrl_CC110_EXT;
2699                            break;
2700                        case 111:
2701                            encodedcontroller = _lev_ctrl_CC111_EXT;
2702                            break;
2703                        case 112:
2704                            encodedcontroller = _lev_ctrl_CC112_EXT;
2705                            break;
2706                        case 113:
2707                            encodedcontroller = _lev_ctrl_CC113_EXT;
2708                            break;
2709                        case 114:
2710                            encodedcontroller = _lev_ctrl_CC114_EXT;
2711                            break;
2712                        case 115:
2713                            encodedcontroller = _lev_ctrl_CC115_EXT;
2714                            break;
2715                        case 116:
2716                            encodedcontroller = _lev_ctrl_CC116_EXT;
2717                            break;
2718                        case 117:
2719                            encodedcontroller = _lev_ctrl_CC117_EXT;
2720                            break;
2721                        case 118:
2722                            encodedcontroller = _lev_ctrl_CC118_EXT;
2723                            break;
2724                        case 119:
2725                            encodedcontroller = _lev_ctrl_CC119_EXT;
2726                            break;
2727    
2728                      default:                      default:
2729                          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");
2730                  }                  }
# Line 2627  namespace { Line 3202  namespace {
3202       *                        dimension bits limit is violated       *                        dimension bits limit is violated
3203       */       */
3204      void Region::AddDimension(dimension_def_t* pDimDef) {      void Region::AddDimension(dimension_def_t* pDimDef) {
3205            // some initial sanity checks of the given dimension definition
3206            if (pDimDef->zones < 2)
3207                throw gig::Exception("Could not add new dimension, amount of requested zones must always be at least two");
3208            if (pDimDef->bits < 1)
3209                throw gig::Exception("Could not add new dimension, amount of requested requested zone bits must always be at least one");
3210            if (pDimDef->dimension == dimension_samplechannel) {
3211                if (pDimDef->zones != 2)
3212                    throw gig::Exception("Could not add new 'sample channel' dimensions, the requested amount of zones must always be 2 for this dimension type");
3213                if (pDimDef->bits != 1)
3214                    throw gig::Exception("Could not add new 'sample channel' dimensions, the requested amount of zone bits must always be 1 for this dimension type");
3215            }
3216    
3217          // check if max. amount of dimensions reached          // check if max. amount of dimensions reached
3218          File* file = (File*) GetParent()->GetParent();          File* file = (File*) GetParent()->GetParent();
3219          const int iMaxDimensions = (file->pVersion && file->pVersion->major == 3) ? 8 : 5;          const int iMaxDimensions = (file->pVersion && file->pVersion->major == 3) ? 8 : 5;
# Line 2802  namespace { Line 3389  namespace {
3389          if (pDimDef->dimension == dimension_layer) Layers = 1;          if (pDimDef->dimension == dimension_layer) Layers = 1;
3390      }      }
3391    
3392        /** @brief Delete one split zone of a dimension (decrement zone amount).
3393         *
3394         * Instead of deleting an entire dimensions, this method will only delete
3395         * one particular split zone given by @a zone of the Region's dimension
3396         * given by @a type. So this method will simply decrement the amount of
3397         * zones by one of the dimension in question. To be able to do that, the
3398         * respective dimension must exist on this Region and it must have at least
3399         * 3 zones. All DimensionRegion objects associated with the zone will be
3400         * deleted.
3401         *
3402         * @param type - identifies the dimension where a zone shall be deleted
3403         * @param zone - index of the dimension split zone that shall be deleted
3404         * @throws gig::Exception if requested zone could not be deleted
3405         */
3406        void Region::DeleteDimensionZone(dimension_t type, int zone) {
3407            dimension_def_t* oldDef = GetDimensionDefinition(type);
3408            if (!oldDef)
3409                throw gig::Exception("Could not delete dimension zone, no such dimension of given type");
3410            if (oldDef->zones <= 2)
3411                throw gig::Exception("Could not delete dimension zone, because it would end up with only one zone.");
3412            if (zone < 0 || zone >= oldDef->zones)
3413                throw gig::Exception("Could not delete dimension zone, requested zone index out of bounds.");
3414    
3415            const int newZoneSize = oldDef->zones - 1;
3416    
3417            // create a temporary Region which just acts as a temporary copy
3418            // container and will be deleted at the end of this function and will
3419            // also not be visible through the API during this process
3420            gig::Region* tempRgn = NULL;
3421            {
3422                // adding these temporary chunks is probably not even necessary
3423                Instrument* instr = static_cast<Instrument*>(GetParent());
3424                RIFF::List* pCkInstrument = instr->pCkInstrument;
3425                RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN);
3426                if (!lrgn)  lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN);
3427                RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN);
3428                tempRgn = new Region(instr, rgn);
3429            }
3430    
3431            // copy this region's dimensions (with already the dimension split size
3432            // requested by the arguments of this method call) to the temporary
3433            // region, and don't use Region::CopyAssign() here for this task, since
3434            // it would also alter fast lookup helper variables here and there
3435            dimension_def_t newDef;
3436            for (int i = 0; i < Dimensions; ++i) {
3437                dimension_def_t def = pDimensionDefinitions[i]; // copy, don't reference
3438                // is this the dimension requested by the method arguments? ...
3439                if (def.dimension == type) { // ... if yes, decrement zone amount by one
3440                    def.zones = newZoneSize;
3441                    if ((1 << (def.bits - 1)) == def.zones) def.bits--;
3442                    newDef = def;
3443                }
3444                tempRgn->AddDimension(&def);
3445            }
3446    
3447            // find the dimension index in the tempRegion which is the dimension
3448            // type passed to this method (paranoidly expecting different order)
3449            int tempReducedDimensionIndex = -1;
3450            for (int d = 0; d < tempRgn->Dimensions; ++d) {
3451                if (tempRgn->pDimensionDefinitions[d].dimension == type) {
3452                    tempReducedDimensionIndex = d;
3453                    break;
3454                }
3455            }
3456    
3457            // copy dimension regions from this region to the temporary region
3458            for (int iDst = 0; iDst < 256; ++iDst) {
3459                DimensionRegion* dstDimRgn = tempRgn->pDimensionRegions[iDst];
3460                if (!dstDimRgn) continue;
3461                std::map<dimension_t,int> dimCase;
3462                bool isValidZone = true;
3463                for (int d = 0, baseBits = 0; d < tempRgn->Dimensions; ++d) {
3464                    const int dstBits = tempRgn->pDimensionDefinitions[d].bits;
3465                    dimCase[tempRgn->pDimensionDefinitions[d].dimension] =
3466                        (iDst >> baseBits) & ((1 << dstBits) - 1);
3467                    baseBits += dstBits;
3468                    // there are also DimensionRegion objects of unused zones, skip them
3469                    if (dimCase[tempRgn->pDimensionDefinitions[d].dimension] >= tempRgn->pDimensionDefinitions[d].zones) {
3470                        isValidZone = false;
3471                        break;
3472                    }
3473                }
3474                if (!isValidZone) continue;
3475                // a bit paranoid: cope with the chance that the dimensions would
3476                // have different order in source and destination regions
3477                const bool isLastZone = (dimCase[type] == newZoneSize - 1);
3478                if (dimCase[type] >= zone) dimCase[type]++;
3479                DimensionRegion* srcDimRgn = GetDimensionRegionByBit(dimCase);
3480                dstDimRgn->CopyAssign(srcDimRgn);
3481                // if this is the upper most zone of the dimension passed to this
3482                // method, then correct (raise) its upper limit to 127
3483                if (newDef.split_type == split_type_normal && isLastZone)
3484                    dstDimRgn->DimensionUpperLimits[tempReducedDimensionIndex] = 127;
3485            }
3486    
3487            // now tempRegion's dimensions and DimensionRegions basically reflect
3488            // what we wanted to get for this actual Region here, so we now just
3489            // delete and recreate the dimension in question with the new amount
3490            // zones and then copy back from tempRegion      
3491            DeleteDimension(oldDef);
3492            AddDimension(&newDef);
3493            for (int iSrc = 0; iSrc < 256; ++iSrc) {
3494                DimensionRegion* srcDimRgn = tempRgn->pDimensionRegions[iSrc];
3495                if (!srcDimRgn) continue;
3496                std::map<dimension_t,int> dimCase;
3497                for (int d = 0, baseBits = 0; d < tempRgn->Dimensions; ++d) {
3498                    const int srcBits = tempRgn->pDimensionDefinitions[d].bits;
3499                    dimCase[tempRgn->pDimensionDefinitions[d].dimension] =
3500                        (iSrc >> baseBits) & ((1 << srcBits) - 1);
3501                    baseBits += srcBits;
3502                }
3503                // a bit paranoid: cope with the chance that the dimensions would
3504                // have different order in source and destination regions
3505                DimensionRegion* dstDimRgn = GetDimensionRegionByBit(dimCase);
3506                if (!dstDimRgn) continue;
3507                dstDimRgn->CopyAssign(srcDimRgn);
3508            }
3509    
3510            // delete temporary region
3511            delete tempRgn;
3512    
3513            UpdateVelocityTable();
3514        }
3515    
3516        /** @brief Divide split zone of a dimension in two (increment zone amount).
3517         *
3518         * This will increment the amount of zones for the dimension (given by
3519         * @a type) by one. It will do so by dividing the zone (given by @a zone)
3520         * in the middle of its zone range in two. So the two zones resulting from
3521         * the zone being splitted, will be an equivalent copy regarding all their
3522         * articulation informations and sample reference. The two zones will only
3523         * differ in their zone's upper limit
3524         * (DimensionRegion::DimensionUpperLimits).
3525         *
3526         * @param type - identifies the dimension where a zone shall be splitted
3527         * @param zone - index of the dimension split zone that shall be splitted
3528         * @throws gig::Exception if requested zone could not be splitted
3529         */
3530        void Region::SplitDimensionZone(dimension_t type, int zone) {
3531            dimension_def_t* oldDef = GetDimensionDefinition(type);
3532            if (!oldDef)
3533                throw gig::Exception("Could not split dimension zone, no such dimension of given type");
3534            if (zone < 0 || zone >= oldDef->zones)
3535                throw gig::Exception("Could not split dimension zone, requested zone index out of bounds.");
3536    
3537            const int newZoneSize = oldDef->zones + 1;
3538    
3539            // create a temporary Region which just acts as a temporary copy
3540            // container and will be deleted at the end of this function and will
3541            // also not be visible through the API during this process
3542            gig::Region* tempRgn = NULL;
3543            {
3544                // adding these temporary chunks is probably not even necessary
3545                Instrument* instr = static_cast<Instrument*>(GetParent());
3546                RIFF::List* pCkInstrument = instr->pCkInstrument;
3547                RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN);
3548                if (!lrgn)  lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN);
3549                RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN);
3550                tempRgn = new Region(instr, rgn);
3551            }
3552    
3553            // copy this region's dimensions (with already the dimension split size
3554            // requested by the arguments of this method call) to the temporary
3555            // region, and don't use Region::CopyAssign() here for this task, since
3556            // it would also alter fast lookup helper variables here and there
3557            dimension_def_t newDef;
3558            for (int i = 0; i < Dimensions; ++i) {
3559                dimension_def_t def = pDimensionDefinitions[i]; // copy, don't reference
3560                // is this the dimension requested by the method arguments? ...
3561                if (def.dimension == type) { // ... if yes, increment zone amount by one
3562                    def.zones = newZoneSize;
3563                    if ((1 << oldDef->bits) < newZoneSize) def.bits++;
3564                    newDef = def;
3565                }
3566                tempRgn->AddDimension(&def);
3567            }
3568    
3569            // find the dimension index in the tempRegion which is the dimension
3570            // type passed to this method (paranoidly expecting different order)
3571            int tempIncreasedDimensionIndex = -1;
3572            for (int d = 0; d < tempRgn->Dimensions; ++d) {
3573                if (tempRgn->pDimensionDefinitions[d].dimension == type) {
3574                    tempIncreasedDimensionIndex = d;
3575                    break;
3576                }
3577            }
3578    
3579            // copy dimension regions from this region to the temporary region
3580            for (int iSrc = 0; iSrc < 256; ++iSrc) {
3581                DimensionRegion* srcDimRgn = pDimensionRegions[iSrc];
3582                if (!srcDimRgn) continue;
3583                std::map<dimension_t,int> dimCase;
3584                bool isValidZone = true;
3585                for (int d = 0, baseBits = 0; d < Dimensions; ++d) {
3586                    const int srcBits = pDimensionDefinitions[d].bits;
3587                    dimCase[pDimensionDefinitions[d].dimension] =
3588                        (iSrc >> baseBits) & ((1 << srcBits) - 1);
3589                    // there are also DimensionRegion objects for unused zones, skip them
3590                    if (dimCase[pDimensionDefinitions[d].dimension] >= pDimensionDefinitions[d].zones) {
3591                        isValidZone = false;
3592                        break;
3593                    }
3594                    baseBits += srcBits;
3595                }
3596                if (!isValidZone) continue;
3597                // a bit paranoid: cope with the chance that the dimensions would
3598                // have different order in source and destination regions            
3599                if (dimCase[type] > zone) dimCase[type]++;
3600                DimensionRegion* dstDimRgn = tempRgn->GetDimensionRegionByBit(dimCase);
3601                dstDimRgn->CopyAssign(srcDimRgn);
3602                // if this is the requested zone to be splitted, then also copy
3603                // the source DimensionRegion to the newly created target zone
3604                // and set the old zones upper limit lower
3605                if (dimCase[type] == zone) {
3606                    // lower old zones upper limit
3607                    if (newDef.split_type == split_type_normal) {
3608                        const int high =
3609                            dstDimRgn->DimensionUpperLimits[tempIncreasedDimensionIndex];
3610                        int low = 0;
3611                        if (zone > 0) {
3612                            std::map<dimension_t,int> lowerCase = dimCase;
3613                            lowerCase[type]--;
3614                            DimensionRegion* dstDimRgnLow = tempRgn->GetDimensionRegionByBit(lowerCase);
3615                            low = dstDimRgnLow->DimensionUpperLimits[tempIncreasedDimensionIndex];
3616                        }
3617                        dstDimRgn->DimensionUpperLimits[tempIncreasedDimensionIndex] = low + (high - low) / 2;
3618                    }
3619                    // fill the newly created zone of the divided zone as well
3620                    dimCase[type]++;
3621                    dstDimRgn = tempRgn->GetDimensionRegionByBit(dimCase);
3622                    dstDimRgn->CopyAssign(srcDimRgn);
3623                }
3624            }
3625    
3626            // now tempRegion's dimensions and DimensionRegions basically reflect
3627            // what we wanted to get for this actual Region here, so we now just
3628            // delete and recreate the dimension in question with the new amount
3629            // zones and then copy back from tempRegion      
3630            DeleteDimension(oldDef);
3631            AddDimension(&newDef);
3632            for (int iSrc = 0; iSrc < 256; ++iSrc) {
3633                DimensionRegion* srcDimRgn = tempRgn->pDimensionRegions[iSrc];
3634                if (!srcDimRgn) continue;
3635                std::map<dimension_t,int> dimCase;
3636                for (int d = 0, baseBits = 0; d < tempRgn->Dimensions; ++d) {
3637                    const int srcBits = tempRgn->pDimensionDefinitions[d].bits;
3638                    dimCase[tempRgn->pDimensionDefinitions[d].dimension] =
3639                        (iSrc >> baseBits) & ((1 << srcBits) - 1);
3640                    baseBits += srcBits;
3641                }
3642                // a bit paranoid: cope with the chance that the dimensions would
3643                // have different order in source and destination regions
3644                DimensionRegion* dstDimRgn = GetDimensionRegionByBit(dimCase);
3645                if (!dstDimRgn) continue;
3646                dstDimRgn->CopyAssign(srcDimRgn);
3647            }
3648    
3649            // delete temporary region
3650            delete tempRgn;
3651    
3652            UpdateVelocityTable();
3653        }
3654    
3655        DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) {
3656            uint8_t bits[8] = {};
3657            for (std::map<dimension_t,int>::const_iterator it = DimCase.begin();
3658                 it != DimCase.end(); ++it)
3659            {
3660                for (int d = 0; d < Dimensions; ++d) {
3661                    if (pDimensionDefinitions[d].dimension == it->first) {
3662                        bits[d] = it->second;
3663                        goto nextDimCaseSlice;
3664                    }
3665                }
3666                assert(false); // do crash ... too harsh maybe ? ignore it instead ?
3667                nextDimCaseSlice:
3668                ; // noop
3669            }
3670            return GetDimensionRegionByBit(bits);
3671        }
3672    
3673        /**
3674         * Searches in the current Region for a dimension of the given dimension
3675         * type and returns the precise configuration of that dimension in this
3676         * Region.
3677         *
3678         * @param type - dimension type of the sought dimension
3679         * @returns dimension definition or NULL if there is no dimension with
3680         *          sought type in this Region.
3681         */
3682        dimension_def_t* Region::GetDimensionDefinition(dimension_t type) {
3683            for (int i = 0; i < Dimensions; ++i)
3684                if (pDimensionDefinitions[i].dimension == type)
3685                    return &pDimensionDefinitions[i];
3686            return NULL;
3687        }
3688    
3689      Region::~Region() {      Region::~Region() {
3690          for (int i = 0; i < 256; i++) {          for (int i = 0; i < 256; i++) {
3691              if (pDimensionRegions[i]) delete pDimensionRegions[i];              if (pDimensionRegions[i]) delete pDimensionRegions[i];
# Line 2921  namespace { Line 3805  namespace {
3805          }          }
3806          return NULL;          return NULL;
3807      }      }
3808        
3809        /**
3810         * Make a (semi) deep copy of the Region object given by @a orig
3811         * and assign it to this object.
3812         *
3813         * Note that all sample pointers referenced by @a orig are simply copied as
3814         * memory address. Thus the respective samples are shared, not duplicated!
3815         *
3816         * @param orig - original Region object to be copied from
3817         */
3818        void Region::CopyAssign(const Region* orig) {
3819            CopyAssign(orig, NULL);
3820        }
3821        
3822        /**
3823         * Make a (semi) deep copy of the Region object given by @a orig and
3824         * assign it to this object
3825         *
3826         * @param mSamples - crosslink map between the foreign file's samples and
3827         *                   this file's samples
3828         */
3829        void Region::CopyAssign(const Region* orig, const std::map<Sample*,Sample*>* mSamples) {
3830            // handle base classes
3831            DLS::Region::CopyAssign(orig);
3832            
3833            if (mSamples && mSamples->count((gig::Sample*)orig->pSample)) {
3834                pSample = mSamples->find((gig::Sample*)orig->pSample)->second;
3835            }
3836            
3837            // handle own member variables
3838            for (int i = Dimensions - 1; i >= 0; --i) {
3839                DeleteDimension(&pDimensionDefinitions[i]);
3840            }
3841            Layers = 0; // just to be sure
3842            for (int i = 0; i < orig->Dimensions; i++) {
3843                // we need to copy the dim definition here, to avoid the compiler
3844                // complaining about const-ness issue
3845                dimension_def_t def = orig->pDimensionDefinitions[i];
3846                AddDimension(&def);
3847            }
3848            for (int i = 0; i < 256; i++) {
3849                if (pDimensionRegions[i] && orig->pDimensionRegions[i]) {
3850                    pDimensionRegions[i]->CopyAssign(
3851                        orig->pDimensionRegions[i],
3852                        mSamples
3853                    );
3854                }
3855            }
3856            Layers = orig->Layers;
3857        }
3858    
3859    
3860  // *************** MidiRule ***************  // *************** MidiRule ***************
3861  // *  // *
3862    
3863  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) {      MidiRuleCtrlTrigger::MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg) {
3864      _3ewg->SetPos(36);          _3ewg->SetPos(36);
3865      Triggers = _3ewg->ReadUint8();          Triggers = _3ewg->ReadUint8();
3866      _3ewg->SetPos(40);          _3ewg->SetPos(40);
3867      ControllerNumber = _3ewg->ReadUint8();          ControllerNumber = _3ewg->ReadUint8();
3868      _3ewg->SetPos(46);          _3ewg->SetPos(46);
3869      for (int i = 0 ; i < Triggers ; i++) {          for (int i = 0 ; i < Triggers ; i++) {
3870          pTriggers[i].TriggerPoint = _3ewg->ReadUint8();              pTriggers[i].TriggerPoint = _3ewg->ReadUint8();
3871          pTriggers[i].Descending = _3ewg->ReadUint8();              pTriggers[i].Descending = _3ewg->ReadUint8();
3872          pTriggers[i].VelSensitivity = _3ewg->ReadUint8();              pTriggers[i].VelSensitivity = _3ewg->ReadUint8();
3873          pTriggers[i].Key = _3ewg->ReadUint8();              pTriggers[i].Key = _3ewg->ReadUint8();
3874          pTriggers[i].NoteOff = _3ewg->ReadUint8();              pTriggers[i].NoteOff = _3ewg->ReadUint8();
3875          pTriggers[i].Velocity = _3ewg->ReadUint8();              pTriggers[i].Velocity = _3ewg->ReadUint8();
3876          pTriggers[i].OverridePedal = _3ewg->ReadUint8();              pTriggers[i].OverridePedal = _3ewg->ReadUint8();
3877          _3ewg->ReadUint8();              _3ewg->ReadUint8();
3878            }
3879        }
3880    
3881        MidiRuleCtrlTrigger::MidiRuleCtrlTrigger() :
3882            ControllerNumber(0),
3883            Triggers(0) {
3884        }
3885    
3886        void MidiRuleCtrlTrigger::UpdateChunks(uint8_t* pData) const {
3887            pData[32] = 4;
3888            pData[33] = 16;
3889            pData[36] = Triggers;
3890            pData[40] = ControllerNumber;
3891            for (int i = 0 ; i < Triggers ; i++) {
3892                pData[46 + i * 8] = pTriggers[i].TriggerPoint;
3893                pData[47 + i * 8] = pTriggers[i].Descending;
3894                pData[48 + i * 8] = pTriggers[i].VelSensitivity;
3895                pData[49 + i * 8] = pTriggers[i].Key;
3896                pData[50 + i * 8] = pTriggers[i].NoteOff;
3897                pData[51 + i * 8] = pTriggers[i].Velocity;
3898                pData[52 + i * 8] = pTriggers[i].OverridePedal;
3899            }
3900        }
3901    
3902        MidiRuleLegato::MidiRuleLegato(RIFF::Chunk* _3ewg) {
3903            _3ewg->SetPos(36);
3904            LegatoSamples = _3ewg->ReadUint8(); // always 12
3905            _3ewg->SetPos(40);
3906            BypassUseController = _3ewg->ReadUint8();
3907            BypassKey = _3ewg->ReadUint8();
3908            BypassController = _3ewg->ReadUint8();
3909            ThresholdTime = _3ewg->ReadUint16();
3910            _3ewg->ReadInt16();
3911            ReleaseTime = _3ewg->ReadUint16();
3912            _3ewg->ReadInt16();
3913            KeyRange.low = _3ewg->ReadUint8();
3914            KeyRange.high = _3ewg->ReadUint8();
3915            _3ewg->SetPos(64);
3916            ReleaseTriggerKey = _3ewg->ReadUint8();
3917            AltSustain1Key = _3ewg->ReadUint8();
3918            AltSustain2Key = _3ewg->ReadUint8();
3919        }
3920    
3921        MidiRuleLegato::MidiRuleLegato() :
3922            LegatoSamples(12),
3923            BypassUseController(false),
3924            BypassKey(0),
3925            BypassController(1),
3926            ThresholdTime(20),
3927            ReleaseTime(20),
3928            ReleaseTriggerKey(0),
3929            AltSustain1Key(0),
3930            AltSustain2Key(0)
3931        {
3932            KeyRange.low = KeyRange.high = 0;
3933      }      }
 }  
3934    
3935        void MidiRuleLegato::UpdateChunks(uint8_t* pData) const {
3936            pData[32] = 0;
3937            pData[33] = 16;
3938            pData[36] = LegatoSamples;
3939            pData[40] = BypassUseController;
3940            pData[41] = BypassKey;
3941            pData[42] = BypassController;
3942            store16(&pData[43], ThresholdTime);
3943            store16(&pData[47], ReleaseTime);
3944            pData[51] = KeyRange.low;
3945            pData[52] = KeyRange.high;
3946            pData[64] = ReleaseTriggerKey;
3947            pData[65] = AltSustain1Key;
3948            pData[66] = AltSustain2Key;
3949        }
3950    
3951        MidiRuleAlternator::MidiRuleAlternator(RIFF::Chunk* _3ewg) {
3952            _3ewg->SetPos(36);
3953            Articulations = _3ewg->ReadUint8();
3954            int flags = _3ewg->ReadUint8();
3955            Polyphonic = flags & 8;
3956            Chained = flags & 4;
3957            Selector = (flags & 2) ? selector_controller :
3958                (flags & 1) ? selector_key_switch : selector_none;
3959            Patterns = _3ewg->ReadUint8();
3960            _3ewg->ReadUint8(); // chosen row
3961            _3ewg->ReadUint8(); // unknown
3962            _3ewg->ReadUint8(); // unknown
3963            _3ewg->ReadUint8(); // unknown
3964            KeySwitchRange.low = _3ewg->ReadUint8();
3965            KeySwitchRange.high = _3ewg->ReadUint8();
3966            Controller = _3ewg->ReadUint8();
3967            PlayRange.low = _3ewg->ReadUint8();
3968            PlayRange.high = _3ewg->ReadUint8();
3969    
3970            int n = std::min(int(Articulations), 32);
3971            for (int i = 0 ; i < n ; i++) {
3972                _3ewg->ReadString(pArticulations[i], 32);
3973            }
3974            _3ewg->SetPos(1072);
3975            n = std::min(int(Patterns), 32);
3976            for (int i = 0 ; i < n ; i++) {
3977                _3ewg->ReadString(pPatterns[i].Name, 16);
3978                pPatterns[i].Size = _3ewg->ReadUint8();
3979                _3ewg->Read(&pPatterns[i][0], 1, 32);
3980            }
3981        }
3982    
3983        MidiRuleAlternator::MidiRuleAlternator() :
3984            Articulations(0),
3985            Patterns(0),
3986            Selector(selector_none),
3987            Controller(0),
3988            Polyphonic(false),
3989            Chained(false)
3990        {
3991            PlayRange.low = PlayRange.high = 0;
3992            KeySwitchRange.low = KeySwitchRange.high = 0;
3993        }
3994    
3995        void MidiRuleAlternator::UpdateChunks(uint8_t* pData) const {
3996            pData[32] = 3;
3997            pData[33] = 16;
3998            pData[36] = Articulations;
3999            pData[37] = (Polyphonic ? 8 : 0) | (Chained ? 4 : 0) |
4000                (Selector == selector_controller ? 2 :
4001                 (Selector == selector_key_switch ? 1 : 0));
4002            pData[38] = Patterns;
4003    
4004            pData[43] = KeySwitchRange.low;
4005            pData[44] = KeySwitchRange.high;
4006            pData[45] = Controller;
4007            pData[46] = PlayRange.low;
4008            pData[47] = PlayRange.high;
4009    
4010            char* str = reinterpret_cast<char*>(pData);
4011            int pos = 48;
4012            int n = std::min(int(Articulations), 32);
4013            for (int i = 0 ; i < n ; i++, pos += 32) {
4014                strncpy(&str[pos], pArticulations[i].c_str(), 32);
4015            }
4016    
4017            pos = 1072;
4018            n = std::min(int(Patterns), 32);
4019            for (int i = 0 ; i < n ; i++, pos += 49) {
4020                strncpy(&str[pos], pPatterns[i].Name.c_str(), 16);
4021                pData[pos + 16] = pPatterns[i].Size;
4022                memcpy(&pData[pos + 16], &(pPatterns[i][0]), 32);
4023            }
4024        }
4025    
4026  // *************** Instrument ***************  // *************** Instrument ***************
4027  // *  // *
# Line 2965  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4043  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4043          PianoReleaseMode = false;          PianoReleaseMode = false;
4044          DimensionKeyRange.low = 0;          DimensionKeyRange.low = 0;
4045          DimensionKeyRange.high = 0;          DimensionKeyRange.high = 0;
4046            pMidiRules = new MidiRule*[3];
4047            pMidiRules[0] = NULL;
4048    
4049          // Loading          // Loading
4050          RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART);          RIFF::List* lart = insList->GetSubList(LIST_TYPE_LART);
# Line 2982  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4062  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4062    
4063                  if (_3ewg->GetSize() > 32) {                  if (_3ewg->GetSize() > 32) {
4064                      // read MIDI rules                      // read MIDI rules
4065                        int i = 0;
4066                      _3ewg->SetPos(32);                      _3ewg->SetPos(32);
4067                      uint8_t id1 = _3ewg->ReadUint8();                      uint8_t id1 = _3ewg->ReadUint8();
4068                      uint8_t id2 = _3ewg->ReadUint8();                      uint8_t id2 = _3ewg->ReadUint8();
4069    
4070                      if (id1 == 4 && id2 == 16) {                      if (id2 == 16) {
4071                          MidiRules.push_back(new MidiRuleCtrlTrigger(_3ewg));                          if (id1 == 4) {
4072                                pMidiRules[i++] = new MidiRuleCtrlTrigger(_3ewg);
4073                            } else if (id1 == 0) {
4074                                pMidiRules[i++] = new MidiRuleLegato(_3ewg);
4075                            } else if (id1 == 3) {
4076                                pMidiRules[i++] = new MidiRuleAlternator(_3ewg);
4077                            } else {
4078                                pMidiRules[i++] = new MidiRuleUnknown;
4079                            }
4080                        }
4081                        else if (id1 != 0 || id2 != 0) {
4082                            pMidiRules[i++] = new MidiRuleUnknown;
4083                      }                      }
4084                      //TODO: all the other types of rules                      //TODO: all the other types of rules
4085    
4086                        pMidiRules[i] = NULL;
4087                  }                  }
4088              }              }
4089          }          }
# Line 3027  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4121  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4121      }      }
4122    
4123      Instrument::~Instrument() {      Instrument::~Instrument() {
4124            for (int i = 0 ; pMidiRules[i] ; i++) {
4125                delete pMidiRules[i];
4126            }
4127            delete[] pMidiRules;
4128      }      }
4129    
4130      /**      /**
# Line 3073  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4171  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4171                                      DimensionKeyRange.low << 1;                                      DimensionKeyRange.low << 1;
4172          pData[10] = dimkeystart;          pData[10] = dimkeystart;
4173          pData[11] = DimensionKeyRange.high;          pData[11] = DimensionKeyRange.high;
4174    
4175            if (pMidiRules[0] == 0 && _3ewg->GetSize() >= 34) {
4176                pData[32] = 0;
4177                pData[33] = 0;
4178            } else {
4179                for (int i = 0 ; pMidiRules[i] ; i++) {
4180                    pMidiRules[i]->UpdateChunks(pData);
4181                }
4182            }
4183      }      }
4184    
4185      /**      /**
# Line 3142  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4249  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4249      }      }
4250    
4251      /**      /**
4252       * Returns the first MIDI rule of the instrument. You have to call       * Returns a MIDI rule of the instrument.
      * this method once before you use GetNextMidiRule().  
4253       *       *
4254       * The list of MIDI rules, at least in gig v3, always contains at       * The list of MIDI rules, at least in gig v3, always contains at
4255       * most two rules. The second rule can only be the DEF filter       * most two rules. The second rule can only be the DEF filter
4256       * (which currently isn't supported by libgig).       * (which currently isn't supported by libgig).
4257       *       *
4258       * @returns  pointer address to first MIDI rule or NULL if there is none       * @param i - MIDI rule number
4259       * @see      GetNextMidiRule()       * @returns   pointer address to MIDI rule number i or NULL if there is none
4260         */
4261        MidiRule* Instrument::GetMidiRule(int i) {
4262            return pMidiRules[i];
4263        }
4264    
4265        /**
4266         * Adds the "controller trigger" MIDI rule to the instrument.
4267         *
4268         * @returns the new MIDI rule
4269       */       */
4270      MidiRule* Instrument::GetFirstMidiRule() {      MidiRuleCtrlTrigger* Instrument::AddMidiRuleCtrlTrigger() {
4271          MidiRulesIterator = MidiRules.begin();          delete pMidiRules[0];
4272          return MidiRulesIterator != MidiRules.end() ? *MidiRulesIterator : NULL;          MidiRuleCtrlTrigger* r = new MidiRuleCtrlTrigger;
4273            pMidiRules[0] = r;
4274            pMidiRules[1] = 0;
4275            return r;
4276      }      }
4277    
4278      /**      /**
4279       * Returns the next MIDI rule of the instrument. You have to call       * Adds the legato MIDI rule to the instrument.
      * GetFirstMidiRule() once before you can use this method. By  
      * calling this method multiple times it iterates through the  
      * available rules.  
4280       *       *
4281       * @returns  pointer address to the next MIDI rule or NULL if end reached       * @returns the new MIDI rule
      * @see      GetFirstMidiRule()  
4282       */       */
4283      MidiRule* Instrument::GetNextMidiRule() {      MidiRuleLegato* Instrument::AddMidiRuleLegato() {
4284          MidiRulesIterator++;          delete pMidiRules[0];
4285          return MidiRulesIterator != MidiRules.end() ? *MidiRulesIterator : NULL;          MidiRuleLegato* r = new MidiRuleLegato;
4286            pMidiRules[0] = r;
4287            pMidiRules[1] = 0;
4288            return r;
4289        }
4290    
4291        /**
4292         * Adds the alternator MIDI rule to the instrument.
4293         *
4294         * @returns the new MIDI rule
4295         */
4296        MidiRuleAlternator* Instrument::AddMidiRuleAlternator() {
4297            delete pMidiRules[0];
4298            MidiRuleAlternator* r = new MidiRuleAlternator;
4299            pMidiRules[0] = r;
4300            pMidiRules[1] = 0;
4301            return r;
4302        }
4303    
4304        /**
4305         * Deletes a MIDI rule from the instrument.
4306         *
4307         * @param i - MIDI rule number
4308         */
4309        void Instrument::DeleteMidiRule(int i) {
4310            delete pMidiRules[i];
4311            pMidiRules[i] = 0;
4312        }
4313    
4314        /**
4315         * Make a (semi) deep copy of the Instrument object given by @a orig
4316         * and assign it to this object.
4317         *
4318         * Note that all sample pointers referenced by @a orig are simply copied as
4319         * memory address. Thus the respective samples are shared, not duplicated!
4320         *
4321         * @param orig - original Instrument object to be copied from
4322         */
4323        void Instrument::CopyAssign(const Instrument* orig) {
4324            CopyAssign(orig, NULL);
4325        }
4326            
4327        /**
4328         * Make a (semi) deep copy of the Instrument object given by @a orig
4329         * and assign it to this object.
4330         *
4331         * @param orig - original Instrument object to be copied from
4332         * @param mSamples - crosslink map between the foreign file's samples and
4333         *                   this file's samples
4334         */
4335        void Instrument::CopyAssign(const Instrument* orig, const std::map<Sample*,Sample*>* mSamples) {
4336            // handle base class
4337            // (without copying DLS region stuff)
4338            DLS::Instrument::CopyAssignCore(orig);
4339            
4340            // handle own member variables
4341            Attenuation = orig->Attenuation;
4342            EffectSend = orig->EffectSend;
4343            FineTune = orig->FineTune;
4344            PitchbendRange = orig->PitchbendRange;
4345            PianoReleaseMode = orig->PianoReleaseMode;
4346            DimensionKeyRange = orig->DimensionKeyRange;
4347            
4348            // free old midi rules
4349            for (int i = 0 ; pMidiRules[i] ; i++) {
4350                delete pMidiRules[i];
4351            }
4352            //TODO: MIDI rule copying
4353            pMidiRules[0] = NULL;
4354            
4355            // delete all old regions
4356            while (Regions) DeleteRegion(GetFirstRegion());
4357            // create new regions and copy them from original
4358            {
4359                RegionList::const_iterator it = orig->pRegions->begin();
4360                for (int i = 0; i < orig->Regions; ++i, ++it) {
4361                    Region* dstRgn = AddRegion();
4362                    //NOTE: Region does semi-deep copy !
4363                    dstRgn->CopyAssign(
4364                        static_cast<gig::Region*>(*it),
4365                        mSamples
4366                    );
4367                }
4368            }
4369    
4370            UpdateRegionKeyTable();
4371      }      }
4372    
4373    
# Line 3372  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4571  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4571          SamplesIterator++;          SamplesIterator++;
4572          return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL );          return static_cast<gig::Sample*>( (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL );
4573      }      }
4574        
4575        /**
4576         * Returns Sample object of @a index.
4577         *
4578         * @returns sample object or NULL if index is out of bounds
4579         */
4580        Sample* File::GetSample(uint index) {
4581            if (!pSamples) LoadSamples();
4582            if (!pSamples) return NULL;
4583            DLS::File::SampleList::iterator it = pSamples->begin();
4584            for (int i = 0; i < index; ++i) {
4585                ++it;
4586                if (it == pSamples->end()) return NULL;
4587            }
4588            if (it == pSamples->end()) return NULL;
4589            return static_cast<gig::Sample*>( *it );
4590        }
4591    
4592      /** @brief Add a new sample.      /** @brief Add a new sample.
4593       *       *
# Line 3413  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4629  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4629          pSamples->erase(iter);          pSamples->erase(iter);
4630          delete pSample;          delete pSample;
4631    
4632            SampleList::iterator tmp = SamplesIterator;
4633          // remove all references to the sample          // remove all references to the sample
4634          for (Instrument* instrument = GetFirstInstrument() ; instrument ;          for (Instrument* instrument = GetFirstInstrument() ; instrument ;
4635               instrument = GetNextInstrument()) {               instrument = GetNextInstrument()) {
# Line 3427  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4644  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4644                  }                  }
4645              }              }
4646          }          }
4647            SamplesIterator = tmp; // restore iterator
4648      }      }
4649    
4650      void File::LoadSamples() {      void File::LoadSamples() {
# Line 3567  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4785  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4785         pInstruments->push_back(pInstrument);         pInstruments->push_back(pInstrument);
4786         return pInstrument;         return pInstrument;
4787      }      }
4788        
4789        /** @brief Add a duplicate of an existing instrument.
4790         *
4791         * Duplicates the instrument definition given by @a orig and adds it
4792         * to this file. This allows in an instrument editor application to
4793         * easily create variations of an instrument, which will be stored in
4794         * the same .gig file, sharing i.e. the same samples.
4795         *
4796         * Note that all sample pointers referenced by @a orig are simply copied as
4797         * memory address. Thus the respective samples are shared, not duplicated!
4798         *
4799         * You have to call Save() to make this persistent to the file.
4800         *
4801         * @param orig - original instrument to be copied
4802         * @returns duplicated copy of the given instrument
4803         */
4804        Instrument* File::AddDuplicateInstrument(const Instrument* orig) {
4805            Instrument* instr = AddInstrument();
4806            instr->CopyAssign(orig);
4807            return instr;
4808        }
4809        
4810        /** @brief Add content of another existing file.
4811         *
4812         * Duplicates the samples, groups and instruments of the original file
4813         * given by @a pFile and adds them to @c this File. In case @c this File is
4814         * a new one that you haven't saved before, then you have to call
4815         * SetFileName() before calling AddContentOf(), because this method will
4816         * automatically save this file during operation, which is required for
4817         * writing the sample waveform data by disk streaming.
4818         *
4819         * @param pFile - original file whose's content shall be copied from
4820         */
4821        void File::AddContentOf(File* pFile) {
4822            static int iCallCount = -1;
4823            iCallCount++;
4824            std::map<Group*,Group*> mGroups;
4825            std::map<Sample*,Sample*> mSamples;
4826            
4827            // clone sample groups
4828            for (int i = 0; pFile->GetGroup(i); ++i) {
4829                Group* g = AddGroup();
4830                g->Name =
4831                    "COPY" + ToString(iCallCount) + "_" + pFile->GetGroup(i)->Name;
4832                mGroups[pFile->GetGroup(i)] = g;
4833            }
4834            
4835            // clone samples (not waveform data here yet)
4836            for (int i = 0; pFile->GetSample(i); ++i) {
4837                Sample* s = AddSample();
4838                s->CopyAssignMeta(pFile->GetSample(i));
4839                mGroups[pFile->GetSample(i)->GetGroup()]->AddSample(s);
4840                mSamples[pFile->GetSample(i)] = s;
4841            }
4842            
4843            //BUG: For some reason this method only works with this additional
4844            //     Save() call in between here.
4845            //
4846            // Important: The correct one of the 2 Save() methods has to be called
4847            // here, depending on whether the file is completely new or has been
4848            // saved to disk already, otherwise it will result in data corruption.
4849            if (pRIFF->IsNew())
4850                Save(GetFileName());
4851            else
4852                Save();
4853            
4854            // clone instruments
4855            // (passing the crosslink table here for the cloned samples)
4856            for (int i = 0; pFile->GetInstrument(i); ++i) {
4857                Instrument* instr = AddInstrument();
4858                instr->CopyAssign(pFile->GetInstrument(i), &mSamples);
4859            }
4860            
4861            // Mandatory: file needs to be saved to disk at this point, so this
4862            // file has the correct size and data layout for writing the samples'
4863            // waveform data to disk.
4864            Save();
4865            
4866            // clone samples' waveform data
4867            // (using direct read & write disk streaming)
4868            for (int i = 0; pFile->GetSample(i); ++i) {
4869                mSamples[pFile->GetSample(i)]->CopyAssignWave(pFile->GetSample(i));
4870            }
4871        }
4872    
4873      /** @brief Delete an instrument.      /** @brief Delete an instrument.
4874       *       *
# Line 3669  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 4971  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
4971          return NULL;          return NULL;
4972      }      }
4973    
4974        /**
4975         * Returns the group with the given group name.
4976         *
4977         * Note: group names don't have to be unique in the gig format! So there
4978         * can be multiple groups with the same name. This method will simply
4979         * return the first group found with the given name.
4980         *
4981         * @param name - name of the sought group
4982         * @returns sought group or NULL if there's no group with that name
4983         */
4984        Group* File::GetGroup(String name) {
4985            if (!pGroups) LoadGroups();
4986            GroupsIterator = pGroups->begin();
4987            for (uint i = 0; GroupsIterator != pGroups->end(); ++GroupsIterator, ++i)
4988                if ((*GroupsIterator)->Name == name) return *GroupsIterator;
4989            return NULL;
4990        }
4991    
4992      Group* File::AddGroup() {      Group* File::AddGroup() {
4993          if (!pGroups) LoadGroups();          if (!pGroups) LoadGroups();
4994          // there must always be at least one group          // there must always be at least one group
# Line 3779  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger Line 5099  MidiRuleCtrlTrigger::MidiRuleCtrlTrigger
5099    
5100          // update group's chunks          // update group's chunks
5101          if (pGroups) {          if (pGroups) {
5102              std::list<Group*>::iterator iter = pGroups->begin();              // make sure '3gri' and '3gnl' list chunks exist
5103              std::list<Group*>::iterator end  = pGroups->end();              // (before updating the Group chunks)
5104              for (; iter != end; ++iter) {              RIFF::List* _3gri = pRIFF->GetSubList(LIST_TYPE_3GRI);
5105                  (*iter)->UpdateChunks();              if (!_3gri) {
5106                    _3gri = pRIFF->AddSubList(LIST_TYPE_3GRI);
5107                    pRIFF->MoveSubChunk(_3gri, pRIFF->GetSubChunk(CHUNK_ID_PTBL));
5108              }              }
5109                RIFF::List* _3gnl = _3gri->GetSubList(LIST_TYPE_3GNL);
5110                if (!_3gnl) _3gnl = _3gri->AddSubList(LIST_TYPE_3GNL);
5111    
5112              // v3: make sure the file has 128 3gnm chunks              // v3: make sure the file has 128 3gnm chunks
5113                // (before updating the Group chunks)
5114              if (pVersion && pVersion->major == 3) {              if (pVersion && pVersion->major == 3) {
                 RIFF::List* _3gnl = pRIFF->GetSubList(LIST_TYPE_3GRI)->GetSubList(LIST_TYPE_3GNL);  
5115                  RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk();                  RIFF::Chunk* _3gnm = _3gnl->GetFirstSubChunk();
5116                  for (int i = 0 ; i < 128 ; i++) {                  for (int i = 0 ; i < 128 ; i++) {
5117                      if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64);                      if (i >= pGroups->size()) ::SaveString(CHUNK_ID_3GNM, _3gnm, _3gnl, "", "", true, 64);
5118                      if (_3gnm) _3gnm = _3gnl->GetNextSubChunk();                      if (_3gnm) _3gnm = _3gnl->GetNextSubChunk();
5119                  }                  }
5120              }              }
5121    
5122                std::list<Group*>::iterator iter = pGroups->begin();
5123                std::list<Group*>::iterator end  = pGroups->end();
5124                for (; iter != end; ++iter) {
5125                    (*iter)->UpdateChunks();
5126                }
5127          }          }
5128    
5129          // update einf chunk          // update einf chunk
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