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

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revision 1209 by persson, Sun May 27 13:54:24 2007 UTC revision 1358 by schoenebeck, Sun Sep 30 18:13:33 2007 UTC
# Line 441  namespace DLS { Line 441  namespace DLS {
441          UUID uuid;          UUID uuid;
442          UuidCreate(&uuid);          UuidCreate(&uuid);
443          pDLSID->ulData1 = uuid.Data1;          pDLSID->ulData1 = uuid.Data1;
444          pDLSID->usData1 = uuid.Data2;          pDLSID->usData2 = uuid.Data2;
445          pDLSID->usData2 = uuid.Data3;          pDLSID->usData3 = uuid.Data3;
446          memcpy(pDLSID->abData, uuid.Data4, 8);          memcpy(pDLSID->abData, uuid.Data4, 8);
447    
448  #elif defined(__APPLE__)  #elif defined(__APPLE__)
# Line 488  namespace DLS { Line 488  namespace DLS {
488              SampleLoops    = wsmp->ReadUint32();              SampleLoops    = wsmp->ReadUint32();
489          } else { // 'wsmp' chunk missing          } else { // 'wsmp' chunk missing
490              uiHeaderSize   = 0;              uiHeaderSize   = 0;
491              UnityNote      = 64;              UnityNote      = 60;
492              FineTune       = 0; // +- 0 cents              FineTune       = 0; // +- 0 cents
493              Gain           = 0; // 0 dB              Gain           = 0; // 0 dB
494              SamplerOptions = F_WSMP_NO_COMPRESSION;              SamplerOptions = F_WSMP_NO_COMPRESSION;
# Line 512  namespace DLS { Line 512  namespace DLS {
512          if (pSampleLoops) delete[] pSampleLoops;          if (pSampleLoops) delete[] pSampleLoops;
513      }      }
514    
515        void Sampler::SetGain(int32_t gain) {
516            Gain = gain;
517        }
518    
519      /**      /**
520       * Apply all sample player options to the respective RIFF chunk. You       * Apply all sample player options to the respective RIFF chunk. You
521       * have to call File::Save() to make changes persistent.       * have to call File::Save() to make changes persistent.
# Line 913  namespace DLS { Line 917  namespace DLS {
917      }      }
918    
919      /**      /**
920         * Modifies the key range of this Region and makes sure the respective
921         * chunks are in correct order.
922         *
923         * @param Low  - lower end of key range
924         * @param High - upper end of key range
925         */
926        void Region::SetKeyRange(uint16_t Low, uint16_t High) {
927            KeyRange.low  = Low;
928            KeyRange.high = High;
929    
930            // make sure regions are already loaded
931            Instrument* pInstrument = (Instrument*) GetParent();
932            if (!pInstrument->pRegions) pInstrument->LoadRegions();
933            if (!pInstrument->pRegions) return;
934    
935            // find the r which is the first one to the right of this region
936            // at its new position
937            Region* r = NULL;
938            Region* prev_region = NULL;
939            for (
940                Instrument::RegionList::iterator iter = pInstrument->pRegions->begin();
941                iter != pInstrument->pRegions->end(); iter++
942            ) {
943                if ((*iter)->KeyRange.low > this->KeyRange.low) {
944                    r = *iter;
945                    break;
946                }
947                prev_region = *iter;
948            }
949    
950            // place this region before r if it's not already there
951            if (prev_region != this) pInstrument->MoveRegion(this, r);
952        }
953    
954        /**
955       * Apply Region settings to the respective RIFF chunks. You have to       * Apply Region settings to the respective RIFF chunks. You have to
956       * call File::Save() to make changes persistent.       * call File::Save() to make changes persistent.
957       *       *
# Line 963  namespace DLS { Line 1002  namespace DLS {
1002                  }                  }
1003              }              }
1004          }          }
         if (index < 0) throw Exception("Could not save Region, could not find Region's sample");  
1005          WavePoolTableIndex = index;          WavePoolTableIndex = index;
1006          // update 'wlnk' chunk          // update 'wlnk' chunk
1007          store16(&pData[0], WaveLinkOptionFlags);          store16(&pData[0], WaveLinkOptionFlags);
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