/[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 903 by persson, Sat Jul 22 14:22:53 2006 UTC revision 970 by schoenebeck, Wed Dec 6 22:28:17 2006 UTC
# 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
33          pEventQueue  = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue  = new RingBuffer<Event,false>(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++) {
36              pMIDIKeyInfo[i].pActiveVoices  = NULL; // we allocate when we retrieve the right Engine object              pMIDIKeyInfo[i].pActiveVoices  = NULL; // we allocate when we retrieve the right Engine object
# Line 176  namespace LinuxSampler { namespace gig { Line 176  namespace LinuxSampler { namespace gig {
176    
177          // request gig instrument from instrument manager          // request gig instrument from instrument manager
178          try {          try {
179              instrument_id_t instrid;              InstrumentManager::instrument_id_t instrid;
180              instrid.FileName    = InstrumentFile;              instrid.FileName  = InstrumentFile;
181              instrid.iInstrument = InstrumentIdx;              instrid.Index     = InstrumentIdx;
182              pInstrument = Engine::instruments.Borrow(instrid, this);              pInstrument = Engine::instruments.Borrow(instrid, this);
183              if (!pInstrument) {              if (!pInstrument) {
184                  InstrumentStat = -1;                  InstrumentStat = -1;
# Line 354  namespace LinuxSampler { namespace gig { Line 354  namespace LinuxSampler { namespace gig {
354    
355      /**      /**
356       *  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
357       *  voice for the given key.       *  voice for the given key. This method is meant for real time rendering,
358         *  that is an event will immediately be created with the current system
359         *  time as time stamp.
360       *       *
361       *  @param Key      - MIDI key number of the triggered key       *  @param Key      - MIDI key number of the triggered key
362       *  @param Velocity - MIDI velocity value of the triggered key       *  @param Velocity - MIDI velocity value of the triggered key
# Line 372  namespace LinuxSampler { namespace gig { Line 374  namespace LinuxSampler { namespace gig {
374      }      }
375    
376      /**      /**
377         *  Will be called by the MIDIIn Thread to let the audio thread trigger a new
378         *  voice for the given key. This method is meant for offline rendering
379         *  and / or for cases where the exact position of the event in the current
380         *  audio fragment is already known.
381         *
382         *  @param Key         - MIDI key number of the triggered key
383         *  @param Velocity    - MIDI velocity value of the triggered key
384         *  @param FragmentPos - sample point position in the current audio
385         *                       fragment to which this event belongs to
386         */
387        void EngineChannel::SendNoteOn(uint8_t Key, uint8_t Velocity, int32_t FragmentPos) {
388            if (FragmentPos < 0) {
389                dmsg(1,("EngineChannel::SendNoteOn(): negative FragmentPos! Seems MIDI driver is buggy!"));
390            }
391            else if (pEngine) {
392                Event event               = pEngine->pEventGenerator->CreateEvent(FragmentPos);
393                event.Type                = Event::type_note_on;
394                event.Param.Note.Key      = Key;
395                event.Param.Note.Velocity = Velocity;
396                event.pEngineChannel      = this;
397                if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
398                else dmsg(1,("EngineChannel: Input event queue full!"));
399            }
400        }
401    
402        /**
403       *  Will be called by the MIDIIn Thread to signal the audio thread to release       *  Will be called by the MIDIIn Thread to signal the audio thread to release
404       *  voice(s) on the given key.       *  voice(s) on the given key. This method is meant for real time rendering,
405         *  that is an event will immediately be created with the current system
406         *  time as time stamp.
407       *       *
408       *  @param Key      - MIDI key number of the released key       *  @param Key      - MIDI key number of the released key
409       *  @param Velocity - MIDI release velocity value of the released key       *  @param Velocity - MIDI release velocity value of the released key
# Line 391  namespace LinuxSampler { namespace gig { Line 421  namespace LinuxSampler { namespace gig {
421      }      }
422    
423      /**      /**
424         *  Will be called by the MIDIIn Thread to signal the audio thread to release
425         *  voice(s) on the given key. This method is meant for offline rendering
426         *  and / or for cases where the exact position of the event in the current
427         *  audio fragment is already known.
428         *
429         *  @param Key         - MIDI key number of the released key
430         *  @param Velocity    - MIDI release velocity value of the released key
431         *  @param FragmentPos - sample point position in the current audio
432         *                       fragment to which this event belongs to
433         */
434        void EngineChannel::SendNoteOff(uint8_t Key, uint8_t Velocity, int32_t FragmentPos) {
435            if (FragmentPos < 0) {
436                dmsg(1,("EngineChannel::SendNoteOff(): negative FragmentPos! Seems MIDI driver is buggy!"));
437            }
438            else if (pEngine) {
439                Event event               = pEngine->pEventGenerator->CreateEvent(FragmentPos);
440                event.Type                = Event::type_note_off;
441                event.Param.Note.Key      = Key;
442                event.Param.Note.Velocity = Velocity;
443                event.pEngineChannel      = this;
444                if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
445                else dmsg(1,("EngineChannel: Input event queue full!"));
446            }
447        }
448    
449        /**
450       *  Will be called by the MIDIIn Thread to signal the audio thread to change       *  Will be called by the MIDIIn Thread to signal the audio thread to change
451       *  the pitch value for all voices.       *  the pitch value for all voices. This method is meant for real time
452         *  rendering, that is an event will immediately be created with the
453         *  current system time as time stamp.
454       *       *
455       *  @param Pitch - MIDI pitch value (-8192 ... +8191)       *  @param Pitch - MIDI pitch value (-8192 ... +8191)
456       */       */
# Line 408  namespace LinuxSampler { namespace gig { Line 466  namespace LinuxSampler { namespace gig {
466      }      }
467    
468      /**      /**
469         *  Will be called by the MIDIIn Thread to signal the audio thread to change
470         *  the pitch value for all voices. This method is meant for offline
471         *  rendering and / or for cases where the exact position of the event in
472         *  the current audio fragment is already known.
473         *
474         *  @param Pitch       - MIDI pitch value (-8192 ... +8191)
475         *  @param FragmentPos - sample point position in the current audio
476         *                       fragment to which this event belongs to
477         */
478        void EngineChannel::SendPitchbend(int Pitch, int32_t FragmentPos) {
479            if (FragmentPos < 0) {
480                dmsg(1,("EngineChannel::SendPitchBend(): negative FragmentPos! Seems MIDI driver is buggy!"));
481            }
482            else if (pEngine) {
483                Event event             = pEngine->pEventGenerator->CreateEvent(FragmentPos);
484                event.Type              = Event::type_pitchbend;
485                event.Param.Pitch.Pitch = Pitch;
486                event.pEngineChannel    = this;
487                if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
488                else dmsg(1,("EngineChannel: Input event queue full!"));
489            }
490        }
491    
492        /**
493       *  Will be called by the MIDIIn Thread to signal the audio thread that a       *  Will be called by the MIDIIn Thread to signal the audio thread that a
494       *  continuous controller value has changed.       *  continuous controller value has changed. This method is meant for real
495         *  time rendering, that is an event will immediately be created with the
496         *  current system time as time stamp.
497       *       *
498       *  @param Controller - MIDI controller number of the occured control change       *  @param Controller - MIDI controller number of the occured control change
499       *  @param Value      - value of the control change       *  @param Value      - value of the control change
# Line 426  namespace LinuxSampler { namespace gig { Line 510  namespace LinuxSampler { namespace gig {
510          }          }
511      }      }
512    
513        /**
514         *  Will be called by the MIDIIn Thread to signal the audio thread that a
515         *  continuous controller value has changed. This method is meant for
516         *  offline rendering and / or for cases where the exact position of the
517         *  event in the current audio fragment is already known.
518         *
519         *  @param Controller  - MIDI controller number of the occured control change
520         *  @param Value       - value of the control change
521         *  @param FragmentPos - sample point position in the current audio
522         *                       fragment to which this event belongs to
523         */
524        void EngineChannel::SendControlChange(uint8_t Controller, uint8_t Value, int32_t FragmentPos) {
525            if (FragmentPos < 0) {
526                dmsg(1,("EngineChannel::SendControlChange(): negative FragmentPos! Seems MIDI driver is buggy!"));
527            }
528            else if (pEngine) {
529                Event event               = pEngine->pEventGenerator->CreateEvent(FragmentPos);
530                event.Type                = Event::type_control_change;
531                event.Param.CC.Controller = Controller;
532                event.Param.CC.Value      = Value;
533                event.pEngineChannel      = this;
534                if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
535                else dmsg(1,("EngineChannel: Input event queue full!"));
536            }
537        }
538    
539      void EngineChannel::ClearEventLists() {      void EngineChannel::ClearEventLists() {
540          pEvents->clear();          pEvents->clear();
541          // empty MIDI key specific event lists          // empty MIDI key specific event lists
# Line 443  namespace LinuxSampler { namespace gig { Line 553  namespace LinuxSampler { namespace gig {
553          SustainPedal   = false;          SustainPedal   = false;
554          SostenutoPedal = false;          SostenutoPedal = false;
555          GlobalVolume   = CONFIG_GLOBAL_ATTENUATION;          GlobalVolume   = CONFIG_GLOBAL_ATTENUATION;
556            MidiVolume     = 1.0;
557          GlobalPanLeft  = 1.0f;          GlobalPanLeft  = 1.0f;
558          GlobalPanRight = 1.0f;          GlobalPanRight = 1.0f;
559          // set all MIDI controller values to zero          // set all MIDI controller values to zero
# Line 463  namespace LinuxSampler { namespace gig { Line 574  namespace LinuxSampler { namespace gig {
574       *                  current audio cycle       *                  current audio cycle
575       */       */
576      void EngineChannel::ImportEvents(uint Samples) {      void EngineChannel::ImportEvents(uint Samples) {
577          RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();          RingBuffer<Event,false>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader();
578          Event* pEvent;          Event* pEvent;
579          while (true) {          while (true) {
580              // get next event from input event queue              // get next event from input event queue
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