/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/Engine.cpp

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revision 738 by schoenebeck, Tue Aug 16 17:14:25 2005 UTC revision 776 by iliev, Wed Sep 21 19:05:41 2005 UTC
# Line 190  namespace LinuxSampler { namespace gig { Line 190  namespace LinuxSampler { namespace gig {
190    
191          // delete all input events          // delete all input events
192          pEventQueue->init();          pEventQueue->init();
193            pSysexBuffer->init();
194      }      }
195    
196      /**      /**
# Line 664  namespace LinuxSampler { namespace gig { Line 665  namespace LinuxSampler { namespace gig {
665          pKey->KeyPressed = false; // the MIDI key was now released          pKey->KeyPressed = false; // the MIDI key was now released
666    
667          // release voices on this key if needed          // release voices on this key if needed
668          if (pKey->Active && !pEngineChannel->SustainPedal) {          if (pKey->Active && ShouldReleaseVoice(pEngineChannel, itNoteOffEvent->Param.Note.Key)) {
669              itNoteOffEvent->Type = Event::type_release; // transform event type              itNoteOffEvent->Type = Event::type_release; // transform event type
670    
671              // move event to the key's own event list              // move event to the key's own event list
# Line 703  namespace LinuxSampler { namespace gig { Line 704  namespace LinuxSampler { namespace gig {
704       */       */
705      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {      void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) {
706          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value          pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value
         itPitchbendEvent.moveToEndOf(pEngineChannel->pEvents);  
707      }      }
708    
709      /**      /**
# Line 1140  namespace LinuxSampler { namespace gig { Line 1140  namespace LinuxSampler { namespace gig {
1140          // update controller value in the engine channel's controller table          // update controller value in the engine channel's controller table
1141          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;          pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value;
1142    
1143          // move event from the import event list to the engine channel's CC and pitchbend event list          switch (itControlChangeEvent->Param.CC.Controller) {
         Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pEvents);  
   
         switch (itControlChangeEventOnCCList->Param.CC.Controller) {  
1144              case 7: { // volume              case 7: { // volume
1145                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1146                  pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f;                  pEngineChannel->GlobalVolume = (float) itControlChangeEvent->Param.CC.Value / 127.0f;
1147                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag                  pEngineChannel->bStatusChanged = true; // engine channel status has changed, so set notify flag
1148                  break;                  break;
1149              }              }
1150              case 10: { // panpot              case 10: { // panpot
1151                  //TODO: not sample accurate yet                  //TODO: not sample accurate yet
1152                  const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64;                  const int pan = (int) itControlChangeEvent->Param.CC.Value - 64;
1153                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;                  pEngineChannel->GlobalPanLeft  = 1.0f - float(RTMath::Max(pan, 0)) /  63.0f;
1154                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;                  pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f;
1155                  break;                  break;
1156              }              }
1157              case 64: { // sustain              case 64: { // sustain
1158                  if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {                  if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) {
1159                      dmsg(4,("PEDAL DOWN\n"));                      dmsg(4,("DAMPER (RIGHT) PEDAL DOWN\n"));
1160                      pEngineChannel->SustainPedal = true;                      pEngineChannel->SustainPedal = true;
1161    
1162                      #if !CONFIG_PROCESS_MUTED_CHANNELS                      #if !CONFIG_PROCESS_MUTED_CHANNELS
# Line 1173  namespace LinuxSampler { namespace gig { Line 1170  namespace LinuxSampler { namespace gig {
1170                          if (!pKey->KeyPressed) {                          if (!pKey->KeyPressed) {
1171                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1172                              if (itNewEvent) {                              if (itNewEvent) {
1173                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list                                  *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1174                                  itNewEvent->Type = Event::type_cancel_release; // transform event type                                  itNewEvent->Type = Event::type_cancel_release; // transform event type
1175                              }                              }
1176                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
1177                          }                          }
1178                      }                      }
1179                  }                  }
1180                  if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {                  if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) {
1181                      dmsg(4,("PEDAL UP\n"));                      dmsg(4,("DAMPER (RIGHT) PEDAL UP\n"));
1182                      pEngineChannel->SustainPedal = false;                      pEngineChannel->SustainPedal = false;
1183    
1184                      #if !CONFIG_PROCESS_MUTED_CHANNELS                      #if !CONFIG_PROCESS_MUTED_CHANNELS
# Line 1192  namespace LinuxSampler { namespace gig { Line 1189  namespace LinuxSampler { namespace gig {
1189                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();                      RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1190                      for (; iuiKey; ++iuiKey) {                      for (; iuiKey; ++iuiKey) {
1191                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];                          midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1192                          if (!pKey->KeyPressed) {                          if (!pKey->KeyPressed && ShouldReleaseVoice(pEngineChannel, *iuiKey)) {
1193                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();                              RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1194                              if (itNewEvent) {                              if (itNewEvent) {
1195                                  *itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list                                  *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1196                                    itNewEvent->Type = Event::type_release; // transform event type
1197                                }
1198                                else dmsg(1,("Event pool emtpy!\n"));
1199                            }
1200                        }
1201                    }
1202                    break;
1203                }
1204                case 66: { // sostenuto
1205                    if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SostenutoPedal) {
1206                        dmsg(4,("SOSTENUTO (CENTER) PEDAL DOWN\n"));
1207                        pEngineChannel->SostenutoPedal = true;
1208    
1209                        #if !CONFIG_PROCESS_MUTED_CHANNELS
1210                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1211                        #endif
1212    
1213                        SostenutoKeyCount = 0;
1214                        // Remeber the pressed keys
1215                        RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first();
1216                        for (; iuiKey; ++iuiKey) {
1217                            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey];
1218                            if (pKey->KeyPressed && SostenutoKeyCount < 128) SostenutoKeys[SostenutoKeyCount++] = *iuiKey;
1219                        }
1220                    }
1221                    if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SostenutoPedal) {
1222                        dmsg(4,("SOSTENUTO (CENTER) PEDAL UP\n"));
1223                        pEngineChannel->SostenutoPedal = false;
1224    
1225                        #if !CONFIG_PROCESS_MUTED_CHANNELS
1226                        if (pEngineChannel->GetMute()) return; // skip if sampler channel is muted
1227                        #endif
1228    
1229                        // release voices if the damper pedal is up and their respective key is not pressed
1230                        for (int i = 0; i < SostenutoKeyCount; i++) {
1231                            midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[SostenutoKeys[i]];
1232                            if (!pKey->KeyPressed && !pEngineChannel->SustainPedal) {
1233                                RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend();
1234                                if (itNewEvent) {
1235                                    *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list
1236                                  itNewEvent->Type = Event::type_release; // transform event type                                  itNewEvent->Type = Event::type_release; // transform event type
1237                              }                              }
1238                              else dmsg(1,("Event pool emtpy!\n"));                              else dmsg(1,("Event pool emtpy!\n"));
# Line 1209  namespace LinuxSampler { namespace gig { Line 1246  namespace LinuxSampler { namespace gig {
1246              // Channel Mode Messages              // Channel Mode Messages
1247    
1248              case 120: { // all sound off              case 120: { // all sound off
1249                  KillAllVoices(pEngineChannel, itControlChangeEventOnCCList);                  KillAllVoices(pEngineChannel, itControlChangeEvent);
1250                  break;                  break;
1251              }              }
1252              case 121: { // reset all controllers              case 121: { // reset all controllers
# Line 1217  namespace LinuxSampler { namespace gig { Line 1254  namespace LinuxSampler { namespace gig {
1254                  break;                  break;
1255              }              }
1256              case 123: { // all notes off              case 123: { // all notes off
1257                  ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList);                  ReleaseAllVoices(pEngineChannel, itControlChangeEvent);
1258                  break;                  break;
1259              }              }
1260          }          }
# Line 1360  namespace LinuxSampler { namespace gig { Line 1397  namespace LinuxSampler { namespace gig {
1397          }          }
1398      }      }
1399    
1400        /**
1401         * Determines whether the specified voice should be released.
1402         *
1403         * @param pEngineChannel - The engine channel on which the voice should be checked
1404         * @param Key - The key number
1405         * @returns true if the specified should be released, false otherwise.
1406         */
1407        bool Engine::ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key) {
1408            if (pEngineChannel->SustainPedal) return false;
1409    
1410            if (pEngineChannel->SostenutoPedal) {
1411                for (int i = 0; i < SostenutoKeyCount; i++)
1412                    if (Key == SostenutoKeys[i]) return false;
1413            }
1414    
1415            return true;
1416        }
1417    
1418      uint Engine::VoiceCount() {      uint Engine::VoiceCount() {
1419          return ActiveVoiceCount;          return ActiveVoiceCount;
1420      }      }
# Line 1397  namespace LinuxSampler { namespace gig { Line 1452  namespace LinuxSampler { namespace gig {
1452      }      }
1453    
1454      String Engine::Version() {      String Engine::Version() {
1455          String s = "$Revision: 1.52 $";          String s = "$Revision: 1.55 $";
1456          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
1457      }      }
1458    
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