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

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revision 1662 by schoenebeck, Sun Feb 3 16:21:38 2008 UTC revision 1844 by persson, Mon Feb 23 18:29:50 2009 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2009 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 24  Line 24 
24  #include "EngineChannel.h"  #include "EngineChannel.h"
25    
26  #include "../../common/global_private.h"  #include "../../common/global_private.h"
27    #include "../../Sampler.h"
28    
29  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
30    
# Line 59  namespace LinuxSampler { namespace gig { Line 60  namespace LinuxSampler { namespace gig {
60          SoloMode       = false;          SoloMode       = false;
61          PortamentoMode = false;          PortamentoMode = false;
62          PortamentoTime = CONFIG_PORTAMENTO_TIME_DEFAULT;          PortamentoTime = CONFIG_PORTAMENTO_TIME_DEFAULT;
63    
64            // reset the instrument change command struct (need to be done
65            // twice, as it is double buffered)
66            {
67                instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate();
68                cmd.pDimRegionsInUse = NULL;
69                cmd.pInstrument = NULL;
70                cmd.bChangeInstrument = false;
71            }
72            {
73                instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig();
74                cmd.pDimRegionsInUse = NULL;
75                cmd.pInstrument = NULL;
76                cmd.bChangeInstrument = false;
77            }
78      }      }
79    
80      EngineChannel::~EngineChannel() {      EngineChannel::~EngineChannel() {
81          DisconnectAudioOutputDevice();          DisconnectAudioOutputDevice();
82    
83            // In case the channel was removed before the instrument was
84            // fully loaded, try to give back instrument again (see bug #113)
85            instrument_change_command_t& cmd = ChangeInstrument(NULL);
86            if (cmd.pInstrument) {
87                    Engine::instruments.HandBack(cmd.pInstrument, this);
88            }
89            ///////
90    
91          if (pEventQueue) delete pEventQueue;          if (pEventQueue) delete pEventQueue;
92          if (pActiveKeys) delete pActiveKeys;          if (pActiveKeys) delete pActiveKeys;
93          if (pMIDIKeyInfo) delete[] pMIDIKeyInfo;          if (pMIDIKeyInfo) delete[] pMIDIKeyInfo;
# Line 319  namespace LinuxSampler { namespace gig { Line 344  namespace LinuxSampler { namespace gig {
344      void EngineChannel::DisconnectAudioOutputDevice() {      void EngineChannel::DisconnectAudioOutputDevice() {
345          if (pEngine) { // if clause to prevent disconnect loops          if (pEngine) { // if clause to prevent disconnect loops
346    
347                ResetInternal();
348    
349              // delete the structures used for instrument change              // delete the structures used for instrument change
350              RTList< ::gig::DimensionRegion*>* d = InstrumentChangeCommand.GetConfigForUpdate().pDimRegionsInUse;              RTList< ::gig::DimensionRegion*>* d = InstrumentChangeCommand.GetConfigForUpdate().pDimRegionsInUse;
351              if (d) delete d;              if (d) delete d;
352              EngineChannel::instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig();              EngineChannel::instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig();
353              d = cmd.pDimRegionsInUse;              d = cmd.pDimRegionsInUse;
354                if (d) delete d;
355    
356              if (cmd.pInstrument) {              if (cmd.pInstrument) {
357                  // release the currently loaded instrument                  // release the currently loaded instrument
358                  Engine::instruments.HandBackInstrument(cmd.pInstrument, this, d);                  Engine::instruments.HandBack(cmd.pInstrument, this);
             }  
             if (d) delete d;  
   
             // release all active dimension regions to resource  
             // manager  
             RTList<uint>::Iterator iuiKey = pActiveKeys->first();  
             RTList<uint>::Iterator end    = pActiveKeys->end();  
             while (iuiKey != end) { // iterate through all active keys  
                 midi_key_info_t* pKey = &pMIDIKeyInfo[*iuiKey];  
                 ++iuiKey;  
   
                 RTList<Voice>::Iterator itVoice     = pKey->pActiveVoices->first();  
                 RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end();  
                 for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key  
                     Engine::instruments.HandBackDimReg(itVoice->pDimRgn);  
                 }  
359              }              }
360    
             ResetInternal();  
361              if (pEvents) {              if (pEvents) {
362                  delete pEvents;                  delete pEvents;
363                  pEvents = NULL;                  pEvents = NULL;
# Line 361  namespace LinuxSampler { namespace gig { Line 372  namespace LinuxSampler { namespace gig {
372                      pMIDIKeyInfo[i].pEvents = NULL;                      pMIDIKeyInfo[i].pEvents = NULL;
373                  }                  }
374              }              }
             Engine* oldEngine = pEngine;  
375              AudioOutputDevice* oldAudioDevice = pEngine->pAudioOutputDevice;              AudioOutputDevice* oldAudioDevice = pEngine->pAudioOutputDevice;
376              pEngine = NULL;              pEngine = NULL;
377              Engine::FreeEngine(this, oldAudioDevice);              Engine::FreeEngine(this, oldAudioDevice);
# Line 451  namespace LinuxSampler { namespace gig { Line 461  namespace LinuxSampler { namespace gig {
461          }          }
462          fxSends.push_back(pFxSend);          fxSends.push_back(pFxSend);
463          if (pEngine) pEngine->Enable();          if (pEngine) pEngine->Enable();
464          fireFxSendCountChanged(iSamplerChannelIndex, GetFxSendCount());          fireFxSendCountChanged(GetSamplerChannel()->Index(), GetFxSendCount());
465    
466          return pFxSend;          return pFxSend;
467      }      }
# Line 490  namespace LinuxSampler { namespace gig { Line 500  namespace LinuxSampler { namespace gig {
500              }              }
501          }          }
502          if (pEngine) pEngine->Enable();          if (pEngine) pEngine->Enable();
503          fireFxSendCountChanged(iSamplerChannelIndex, GetFxSendCount());          fireFxSendCountChanged(GetSamplerChannel()->Index(), GetFxSendCount());
504      }      }
505    
506      /**      /**
# Line 737  namespace LinuxSampler { namespace gig { Line 747  namespace LinuxSampler { namespace gig {
747          MidiVolume     = 1.0;          MidiVolume     = 1.0;
748          GlobalPanLeft  = 1.0f;          GlobalPanLeft  = 1.0f;
749          GlobalPanRight = 1.0f;          GlobalPanRight = 1.0f;
750            iLastPanRequest = 64;
751          GlobalTranspose = 0;          GlobalTranspose = 0;
752          // set all MIDI controller values to zero          // set all MIDI controller values to zero
753          memset(ControllerTable, 0x00, 129);          memset(ControllerTable, 0x00, 129);
# Line 875  namespace LinuxSampler { namespace gig { Line 886  namespace LinuxSampler { namespace gig {
886          bStatusChanged = true; // status of engine channel has changed, so set notify flag          bStatusChanged = true; // status of engine channel has changed, so set notify flag
887      }      }
888    
889        float EngineChannel::Pan() {
890            return float(iLastPanRequest - 64) / 64.0f;
891        }
892    
893        void EngineChannel::Pan(float f) {
894            int iMidiPan = int(f * 64.0f) + 64;
895            if (iMidiPan > 127) iMidiPan = 127;
896            else if (iMidiPan < 0) iMidiPan = 0;
897            GlobalPanLeft  = Engine::PanCurve[128 - iMidiPan];
898            GlobalPanRight = Engine::PanCurve[iMidiPan];
899            iLastPanRequest = iMidiPan;
900        }
901    
902      uint EngineChannel::Channels() {      uint EngineChannel::Channels() {
903          return 2;          return 2;
904      }      }
# Line 899  namespace LinuxSampler { namespace gig { Line 923  namespace LinuxSampler { namespace gig {
923          return LS_GIG_ENGINE_NAME;          return LS_GIG_ENGINE_NAME;
924      }      }
925    
926        void EngineChannel::ClearDimRegionsInUse() {
927            {
928                instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate();
929                if(cmd.pDimRegionsInUse != NULL) cmd.pDimRegionsInUse->clear();
930            }
931            {
932                instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig();
933                if(cmd.pDimRegionsInUse != NULL) cmd.pDimRegionsInUse->clear();
934            }
935        }
936    
937        void EngineChannel::ResetDimRegionsInUse() {
938            {
939                instrument_change_command_t& cmd = InstrumentChangeCommand.GetConfigForUpdate();
940                if(cmd.pDimRegionsInUse != NULL) {
941                    delete cmd.pDimRegionsInUse;
942                    cmd.pDimRegionsInUse = new RTList< ::gig::DimensionRegion*>(pEngine->pDimRegionPool[0]);
943                }
944            }
945            {
946                instrument_change_command_t& cmd = InstrumentChangeCommand.SwitchConfig();
947                if(cmd.pDimRegionsInUse != NULL) {
948                    delete cmd.pDimRegionsInUse;
949                    cmd.pDimRegionsInUse = new RTList< ::gig::DimensionRegion*>(pEngine->pDimRegionPool[1]);
950                }
951            }
952        }
953    
954  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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