/[svn]/linuxsampler/trunk/src/engines/gig/EngineChannel.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/EngineChannel.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 660 by schoenebeck, Fri Jun 17 19:49:30 2005 UTC revision 829 by schoenebeck, Sat Jan 14 14:07:47 2006 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 Christian Schoenebeck                              *   *   Copyright (C) 2005, 2006 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 30  namespace LinuxSampler { namespace gig { Line 30  namespace LinuxSampler { namespace gig {
30          pEngine      = NULL;          pEngine      = NULL;
31          pInstrument  = NULL;          pInstrument  = NULL;
32          pEvents      = NULL; // we allocate when we retrieve the right Engine object          pEvents      = NULL; // we allocate when we retrieve the right Engine object
         pCCEvents    = NULL; // we allocate when we retrieve the right Engine object  
33          pEventQueue  = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue  = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
34          pActiveKeys  = new Pool<uint>(128);          pActiveKeys  = new Pool<uint>(128);
35          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
# Line 42  namespace LinuxSampler { namespace gig { Line 41  namespace LinuxSampler { namespace gig {
41              pMIDIKeyInfo[i].VoiceTheftsQueued = 0;              pMIDIKeyInfo[i].VoiceTheftsQueued = 0;
42              pMIDIKeyInfo[i].RoundRobinIndex = 0;              pMIDIKeyInfo[i].RoundRobinIndex = 0;
43          }          }
         for (uint i = 0; i < Event::destination_count; i++) {  
             pSynthesisEvents[i] = NULL; // we allocate when we retrieve the right Engine object  
         }  
44          InstrumentIdx  = -1;          InstrumentIdx  = -1;
45          InstrumentStat = -1;          InstrumentStat = -1;
46          AudioDeviceChannelLeft  = -1;          AudioDeviceChannelLeft  = -1;
47          AudioDeviceChannelRight = -1;          AudioDeviceChannelRight = -1;
48            pMidiInputPort = NULL;
49            midiChannel = midi_chan_all;
50            ResetControllers();
51            SoloMode       = false;
52            PortamentoMode = false;
53            PortamentoTime = CONFIG_PORTAMENTO_TIME_DEFAULT;
54      }      }
55    
56      EngineChannel::~EngineChannel() {      EngineChannel::~EngineChannel() {
# Line 65  namespace LinuxSampler { namespace gig { Line 67  namespace LinuxSampler { namespace gig {
67       * check if some engine channel parameter has changed since the last       * check if some engine channel parameter has changed since the last
68       * StatusChanged() call.       * StatusChanged() call.
69       *       *
70         * This method can also be used to mark the engine channel as changed
71         * from outside, e.g. by a MIDI input device. The optional argument
72         * \a nNewStatus can be used for this.
73         *
74       * TODO: This "poll method" is just a lazy solution and might be       * TODO: This "poll method" is just a lazy solution and might be
75       *       replaced in future.       *       replaced in future.
76       *       * @param bNewStatus - (optional, default: false) sets the new status flag
77       * @returns true if engine channel status has changed since last       * @returns true if engine channel status has changed since last
78       *          StatusChanged() call       *          StatusChanged() call
79       */       */
80      bool EngineChannel::StatusChanged() {      bool EngineChannel::StatusChanged(bool bNewStatus) {
81          bool b = bStatusChanged;          bool b = bStatusChanged;
82          bStatusChanged = false;          bStatusChanged = bNewStatus;
83          return b;          return b;
84      }      }
85    
86        void EngineChannel::Reset() {
87            if (pEngine) pEngine->DisableAndLock();
88            ResetInternal();
89            ResetControllers();
90            if (pEngine) {
91                pEngine->Enable();
92                pEngine->Reset();
93            }
94        }
95    
96      /**      /**
97       * This method is not thread safe!       * This method is not thread safe!
98       */       */
99      void EngineChannel::ResetInternal() {      void EngineChannel::ResetInternal() {
         Pitch               = 0;  
         SustainPedal        = false;  
         GlobalVolume        = 1.0;  
         GlobalPanLeft       = 1.0f;  
         GlobalPanRight      = 1.0f;  
100          CurrentKeyDimension = 0;          CurrentKeyDimension = 0;
101    
         ResetControllers();  
   
102          // reset key info          // reset key info
103          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
104              if (pMIDIKeyInfo[i].pActiveVoices)              if (pMIDIKeyInfo[i].pActiveVoices)
# Line 102  namespace LinuxSampler { namespace gig { Line 111  namespace LinuxSampler { namespace gig {
111              pMIDIKeyInfo[i].itSelf         = Pool<uint>::Iterator();              pMIDIKeyInfo[i].itSelf         = Pool<uint>::Iterator();
112              pMIDIKeyInfo[i].VoiceTheftsQueued = 0;              pMIDIKeyInfo[i].VoiceTheftsQueued = 0;
113          }          }
114            SoloKey       = -1;    // no solo key active yet
115            PortamentoPos = -1.0f; // no portamento active yet
116    
117          // reset all key groups          // reset all key groups
118          std::map<uint,uint*>::iterator iter = ActiveKeyGroups.begin();          std::map<uint,uint*>::iterator iter = ActiveKeyGroups.begin();
# Line 251  namespace LinuxSampler { namespace gig { Line 262  namespace LinuxSampler { namespace gig {
262          }          }
263          pEngine = Engine::AcquireEngine(this, pAudioOut);          pEngine = Engine::AcquireEngine(this, pAudioOut);
264          ResetInternal();          ResetInternal();
265          pEvents   = new RTList<Event>(pEngine->pEventPool);          pEvents = new RTList<Event>(pEngine->pEventPool);
         pCCEvents = new RTList<Event>(pEngine->pEventPool);  
         for (uint i = 0; i < Event::destination_count; i++) {  
             pSynthesisEvents[i] = new RTList<Event>(pEngine->pEventPool);  
         }  
266          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
267              pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pEngine->pVoicePool);              pMIDIKeyInfo[i].pActiveVoices = new RTList<Voice>(pEngine->pVoicePool);
268              pMIDIKeyInfo[i].pEvents       = new RTList<Event>(pEngine->pEventPool);              pMIDIKeyInfo[i].pEvents       = new RTList<Event>(pEngine->pEventPool);
# Line 273  namespace LinuxSampler { namespace gig { Line 280  namespace LinuxSampler { namespace gig {
280                  delete pEvents;                  delete pEvents;
281                  pEvents = NULL;                  pEvents = NULL;
282              }              }
             if (pCCEvents) {  
                 delete pCCEvents;  
                 pCCEvents = NULL;  
             }  
283              for (uint i = 0; i < 128; i++) {              for (uint i = 0; i < 128; i++) {
284                  if (pMIDIKeyInfo[i].pActiveVoices) {                  if (pMIDIKeyInfo[i].pActiveVoices) {
285                      delete pMIDIKeyInfo[i].pActiveVoices;                      delete pMIDIKeyInfo[i].pActiveVoices;
# Line 287  namespace LinuxSampler { namespace gig { Line 290  namespace LinuxSampler { namespace gig {
290                      pMIDIKeyInfo[i].pEvents = NULL;                      pMIDIKeyInfo[i].pEvents = NULL;
291                  }                  }
292              }              }
             for (uint i = 0; i < Event::destination_count; i++) {  
                 if (pSynthesisEvents[i]) {  
                     delete pSynthesisEvents[i];  
                     pSynthesisEvents[i] = NULL;  
                 }  
             }  
293              Engine* oldEngine = pEngine;              Engine* oldEngine = pEngine;
294              AudioOutputDevice* oldAudioDevice = pEngine->pAudioOutputDevice;              AudioOutputDevice* oldAudioDevice = pEngine->pAudioOutputDevice;
295              pEngine = NULL;              pEngine = NULL;
# Line 332  namespace LinuxSampler { namespace gig { Line 329  namespace LinuxSampler { namespace gig {
329          }          }
330      }      }
331    
332        void EngineChannel::Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel) {
333            if (!pMidiPort || pMidiPort == this->pMidiInputPort) return;
334            DisconnectMidiInputPort();
335            this->pMidiInputPort = pMidiPort;
336            this->midiChannel    = MidiChannel;
337            pMidiPort->Connect(this, MidiChannel);
338        }
339    
340        void EngineChannel::DisconnectMidiInputPort() {
341            MidiInputPort* pOldPort = this->pMidiInputPort;
342            this->pMidiInputPort = NULL;
343            if (pOldPort) pOldPort->Disconnect(this);
344        }
345    
346        MidiInputPort* EngineChannel::GetMidiInputPort() {
347            return pMidiInputPort;
348        }
349    
350        midi_chan_t EngineChannel::MidiChannel() {
351            return midiChannel;
352        }
353    
354      /**      /**
355       *  Will be called by the MIDIIn Thread to let the audio thread trigger a new       *  Will be called by the MIDIIn Thread to let the audio thread trigger a new
356       *  voice for the given key.       *  voice for the given key.
# Line 408  namespace LinuxSampler { namespace gig { Line 427  namespace LinuxSampler { namespace gig {
427    
428      void EngineChannel::ClearEventLists() {      void EngineChannel::ClearEventLists() {
429          pEvents->clear();          pEvents->clear();
         pCCEvents->clear();  
         for (uint i = 0; i < Event::destination_count; i++) {  
             pSynthesisEvents[i]->clear();  
         }  
430          // empty MIDI key specific event lists          // empty MIDI key specific event lists
431          {          {
432              RTList<uint>::Iterator iuiKey = pActiveKeys->first();              RTList<uint>::Iterator iuiKey = pActiveKeys->first();
# Line 423  namespace LinuxSampler { namespace gig { Line 438  namespace LinuxSampler { namespace gig {
438      }      }
439    
440      void EngineChannel::ResetControllers() {      void EngineChannel::ResetControllers() {
441            Pitch          = 0;
442            SustainPedal   = false;
443            SostenutoPedal = false;
444            GlobalVolume   = CONFIG_GLOBAL_ATTENUATION;
445            GlobalPanLeft  = 1.0f;
446            GlobalPanRight = 1.0f;
447          // set all MIDI controller values to zero          // set all MIDI controller values to zero
448          memset(ControllerTable, 0x00, 128);          memset(ControllerTable, 0x00, 128);
449      }      }
Legend:
Removed from v.660  
changed lines
  Added in v.829
  ViewVC Help
Powered by ViewVC