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

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revision 2662 by schoenebeck, Wed Jul 2 22:24:02 2014 UTC revision 2884 by schoenebeck, Wed Apr 20 15:22:58 2016 UTC
# Line 5  Line 5 
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) 2005-2008 Christian Schoenebeck                         *
7   *   Copyright (C) 2009-2012 Christian Schoenebeck and Grigor Iliev        *   *   Copyright (C) 2009-2012 Christian Schoenebeck and Grigor Iliev        *
8   *   Copyright (C) 2013-2014 Christian Schoenebeck and Andreas Persson     *   *   Copyright (C) 2012-2016 Christian Schoenebeck and Andreas Persson     *
9   *                                                                         *   *                                                                         *
10   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
11   *   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 35  namespace LinuxSampler { Line 35  namespace LinuxSampler {
35      {      {
36          pEngine      = NULL;          pEngine      = NULL;
37          pEvents      = NULL; // we allocate when we retrieve the right Engine object          pEvents      = NULL; // we allocate when we retrieve the right Engine object
38            delayedEvents.pList = NULL;
39          pEventQueue  = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue  = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
40          InstrumentIdx  = -1;          InstrumentIdx  = -1;
41          InstrumentStat = -1;          InstrumentStat = -1;
# Line 101  namespace LinuxSampler { Line 102  namespace LinuxSampler {
102    
103      void AbstractEngineChannel::Reset() {      void AbstractEngineChannel::Reset() {
104          if (pEngine) pEngine->DisableAndLock();          if (pEngine) pEngine->DisableAndLock();
105          ResetInternal();          ResetInternal(false/*don't reset engine*/);
106          ResetControllers();          ResetControllers();
107          if (pEngine) {          if (pEngine) {
108              pEngine->Enable();              pEngine->Enable();
# Line 129  namespace LinuxSampler { Line 130  namespace LinuxSampler {
130      /**      /**
131       * This method is not thread safe!       * This method is not thread safe!
132       */       */
133      void AbstractEngineChannel::ResetInternal() {      void AbstractEngineChannel::ResetInternal(bool bResetEngine) {
134          CurrentKeyDimension = 0;          CurrentKeyDimension = 0;
135          PortamentoPos = -1.0f; // no portamento active yet          PortamentoPos = -1.0f; // no portamento active yet
136    
137            // delete all active instrument script events
138            if (pScript) pScript->resetEvents();
139    
140            // free all delayed MIDI events
141            delayedEvents.clear();
142    
143          // delete all input events          // delete all input events
144          pEventQueue->init();          pEventQueue->init();
145    
146          if (pEngine) pEngine->ResetInternal();          if (bResetEngine && pEngine) pEngine->ResetInternal();
147    
148          // status of engine channel has changed, so set notify flag          // status of engine channel has changed, so set notify flag
149          bStatusChanged = true;          bStatusChanged = true;
# Line 376  namespace LinuxSampler { Line 383  namespace LinuxSampler {
383              event.Param.Note.Key      = Key;              event.Param.Note.Key      = Key;
384              event.Param.Note.Velocity = Velocity;              event.Param.Note.Velocity = Velocity;
385              event.Param.Note.Channel  = MidiChannel;              event.Param.Note.Channel  = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
386              event.pEngineChannel      = this;              event.pEngineChannel      = this;
387              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
388              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
# Line 418  namespace LinuxSampler { Line 424  namespace LinuxSampler {
424              event.Param.Note.Key      = Key;              event.Param.Note.Key      = Key;
425              event.Param.Note.Velocity = Velocity;              event.Param.Note.Velocity = Velocity;
426              event.Param.Note.Channel  = MidiChannel;              event.Param.Note.Channel  = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
427              event.pEngineChannel      = this;              event.pEngineChannel      = this;
428              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
429              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
# Line 455  namespace LinuxSampler { Line 460  namespace LinuxSampler {
460              event.Param.Note.Key      = Key;              event.Param.Note.Key      = Key;
461              event.Param.Note.Velocity = Velocity;              event.Param.Note.Velocity = Velocity;
462              event.Param.Note.Channel  = MidiChannel;              event.Param.Note.Channel  = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
463              event.pEngineChannel      = this;              event.pEngineChannel      = this;
464              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
465              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
# Line 497  namespace LinuxSampler { Line 501  namespace LinuxSampler {
501              event.Param.Note.Key      = Key;              event.Param.Note.Key      = Key;
502              event.Param.Note.Velocity = Velocity;              event.Param.Note.Velocity = Velocity;
503              event.Param.Note.Channel  = MidiChannel;              event.Param.Note.Channel  = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
504              event.pEngineChannel      = this;              event.pEngineChannel      = this;
505              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
506              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
# Line 532  namespace LinuxSampler { Line 535  namespace LinuxSampler {
535              event.Type              = Event::type_pitchbend;              event.Type              = Event::type_pitchbend;
536              event.Param.Pitch.Pitch = Pitch;              event.Param.Pitch.Pitch = Pitch;
537              event.Param.Pitch.Channel = MidiChannel;              event.Param.Pitch.Channel = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
538              event.pEngineChannel    = this;              event.pEngineChannel    = this;
539              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
540              else dmsg(1,("EngineChannel: Input event queue full!"));              else dmsg(1,("EngineChannel: Input event queue full!"));
# Line 562  namespace LinuxSampler { Line 564  namespace LinuxSampler {
564              event.Type              = Event::type_pitchbend;              event.Type              = Event::type_pitchbend;
565              event.Param.Pitch.Pitch = Pitch;              event.Param.Pitch.Pitch = Pitch;
566              event.Param.Pitch.Channel = MidiChannel;              event.Param.Pitch.Channel = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
567              event.pEngineChannel    = this;              event.pEngineChannel    = this;
568              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
569              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));
# Line 589  namespace LinuxSampler { Line 590  namespace LinuxSampler {
590              event.Param.CC.Controller = Controller;              event.Param.CC.Controller = Controller;
591              event.Param.CC.Value      = Value;              event.Param.CC.Value      = Value;
592              event.Param.CC.Channel    = MidiChannel;              event.Param.CC.Channel    = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
593              event.pEngineChannel      = this;              event.pEngineChannel      = this;
594              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
595              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));
# Line 621  namespace LinuxSampler { Line 621  namespace LinuxSampler {
621              event.Param.CC.Controller = Controller;              event.Param.CC.Controller = Controller;
622              event.Param.CC.Value      = Value;              event.Param.CC.Value      = Value;
623              event.Param.CC.Channel    = MidiChannel;              event.Param.CC.Channel    = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
624              event.pEngineChannel      = this;              event.pEngineChannel      = this;
625              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
626              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));
# Line 639  namespace LinuxSampler { Line 638  namespace LinuxSampler {
638              event.Param.ChannelPressure.Controller = CTRL_TABLE_IDX_AFTERTOUCH; // required for instrument scripts              event.Param.ChannelPressure.Controller = CTRL_TABLE_IDX_AFTERTOUCH; // required for instrument scripts
639              event.Param.ChannelPressure.Value   = Value;              event.Param.ChannelPressure.Value   = Value;
640              event.Param.ChannelPressure.Channel = MidiChannel;              event.Param.ChannelPressure.Channel = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
641              event.pEngineChannel                = this;              event.pEngineChannel                = this;
642              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
643              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));
# Line 657  namespace LinuxSampler { Line 655  namespace LinuxSampler {
655              event.Param.ChannelPressure.Controller = CTRL_TABLE_IDX_AFTERTOUCH; // required for instrument scripts              event.Param.ChannelPressure.Controller = CTRL_TABLE_IDX_AFTERTOUCH; // required for instrument scripts
656              event.Param.ChannelPressure.Value   = Value;              event.Param.ChannelPressure.Value   = Value;
657              event.Param.ChannelPressure.Channel = MidiChannel;              event.Param.ChannelPressure.Channel = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
658              event.pEngineChannel                = this;              event.pEngineChannel                = this;
659              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
660              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));
# Line 675  namespace LinuxSampler { Line 672  namespace LinuxSampler {
672              event.Param.NotePressure.Key     = Key;              event.Param.NotePressure.Key     = Key;
673              event.Param.NotePressure.Value   = Value;              event.Param.NotePressure.Value   = Value;
674              event.Param.NotePressure.Channel = MidiChannel;              event.Param.NotePressure.Channel = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
675              event.pEngineChannel             = this;              event.pEngineChannel             = this;
676              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
677              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));
# Line 693  namespace LinuxSampler { Line 689  namespace LinuxSampler {
689              event.Param.NotePressure.Key     = Key;              event.Param.NotePressure.Key     = Key;
690              event.Param.NotePressure.Value   = Value;              event.Param.NotePressure.Value   = Value;
691              event.Param.NotePressure.Channel = MidiChannel;              event.Param.NotePressure.Channel = MidiChannel;
             memset(&event.Format, 0, sizeof(event.Format)); // init format speific stuff with zeroes  
692              event.pEngineChannel             = this;              event.pEngineChannel             = this;
693              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);              if (this->pEventQueue->write_space() > 0) this->pEventQueue->push(&event);
694              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));              else dmsg(1,("AbstractEngineChannel: Input event queue full!"));
695          }          }
696      }      }
697    
698        bool AbstractEngineChannel::applyTranspose(Event* event) {
699            if (event->Type != Event::type_note_on && event->Type != Event::type_note_off)
700                return true; // event OK (not a note event, nothing to do with it here)
701    
702            //HACK: we should better add the transpose value only to the most mandatory places (like for retrieving the region and calculating the tuning), because otherwise voices will unintendedly survive when changing transpose while playing
703            const int k = event->Param.Note.Key + GlobalTranspose;
704            if (k < 0 || k > 127)
705                return false; // bad event, drop it
706    
707            event->Param.Note.Key = k;
708    
709            return true; // event OK
710        }
711    
712      /**      /**
713       * Copy all events from the engine channel's input event queue buffer to       * Copy all events from the engine channel's input event queue buffer to
714       * the internal event list. This will be done at the beginning of each       * the internal event list. This will be done at the beginning of each
# Line 736  namespace LinuxSampler { Line 745  namespace LinuxSampler {
745                              event.Param.Note.Key      = devEvent.Arg1;                              event.Param.Note.Key      = devEvent.Arg1;
746                              event.Param.Note.Velocity = devEvent.Arg2;                              event.Param.Note.Velocity = devEvent.Arg2;
747                              event.Param.Note.Channel  = channel;                              event.Param.Note.Channel  = channel;
748                                // apply transpose setting to (note on/off) event
749                                if (!applyTranspose(&event))
750                                    continue; // note value is out of range, so drop this event
751                                // assign a new note to this note-on event
752                                if (!pEngine->LaunchNewNote(this, &event))
753                                    continue; // failed launching new note, so drop this event
754                              break;                              break;
755                          case VirtualMidiDevice::EVENT_TYPE_NOTEOFF:                          case VirtualMidiDevice::EVENT_TYPE_NOTEOFF:
756                              event.Type = Event::type_note_off;                              event.Type = Event::type_note_off;
757                              event.Param.Note.Key      = devEvent.Arg1;                              event.Param.Note.Key      = devEvent.Arg1;
758                              event.Param.Note.Velocity = devEvent.Arg2;                              event.Param.Note.Velocity = devEvent.Arg2;
759                              event.Param.Note.Channel  = channel;                              event.Param.Note.Channel  = channel;
760                                if (!applyTranspose(&event))
761                                    continue; // note value is out of range, so drop this event
762                              break;                              break;
763                          case VirtualMidiDevice::EVENT_TYPE_CC:                          case VirtualMidiDevice::EVENT_TYPE_CC:
764                              switch (devEvent.Arg1) {                              switch (devEvent.Arg1) {
# Line 778  namespace LinuxSampler { Line 795  namespace LinuxSampler {
795                          goto exitVirtualDevicesLoop;                          goto exitVirtualDevicesLoop;
796                      }                      }
797                      *pEvents->allocAppend() = event;                      *pEvents->allocAppend() = event;
                     memset(&event.Format, 0, sizeof(event.Format)); // init format specific stuff with zeroes  
798                  }                  }
799              }              }
800          }          }
# Line 798  namespace LinuxSampler { Line 814  namespace LinuxSampler {
814                  pEvent->ResetFragmentPos();                  pEvent->ResetFragmentPos();
815                  break;                  break;
816              }              }
             // copy event to internal event list  
817              if (pEvents->poolIsEmpty()) {              if (pEvents->poolIsEmpty()) {
818                  dmsg(1,("Event pool emtpy!\n"));                  dmsg(1,("Event pool emtpy!\n"));
819                  break;                  break;
820              }              }
821                // apply transpose setting to (note on/off) event
822                if (!applyTranspose(pEvent))
823                    continue; // it's a note event which has a note value out of range, so drop this event
824                // assign a new note to this event (if its a note-on event)
825                if (pEvent->Type == Event::type_note_on)
826                    if (!pEngine->LaunchNewNote(this, pEvent))
827                        continue; // failed launching new note, so drop this event
828                // copy event to internal event list
829              *pEvents->allocAppend() = *pEvent;              *pEvents->allocAppend() = *pEvent;
830          }          }
831          eventQueueReader.free(); // free all copied events from input queue          eventQueueReader.free(); // free all copied events from input queue
# Line 810  namespace LinuxSampler { Line 833  namespace LinuxSampler {
833    
834      /**      /**
835       * Called by real-time instrument script functions to schedule a new event       * Called by real-time instrument script functions to schedule a new event
836       * somewhere in future.       * @a delay microseconds in future.
837       *       *
838       * @returns unique event ID of scheduled new event       * @b IMPORTANT: for the supplied @a delay to be scheduled correctly, the
839         * passed @a pEvent must be assigned a valid fragment time within the
840         * current audio fragment boundaries. That fragment time will be used by
841         * this method as basis for interpreting what "now" acutally is, and thus
842         * it will be used as basis for calculating the precise scheduling time
843         * for @a delay. The easiest way to achieve this is by copying a recent
844         * event which happened within the current audio fragment cycle: i.e. the
845         * original event which caused calling this method here.
846         *
847         * @param pEvent - event to be scheduled in future (event data will be copied)
848         * @param delay - amount of microseconds in future (from now) when event shall be processed
849         * @returns unique event ID of scheduled new event, or NULL on error
850       */       */
851      int AbstractEngineChannel::ScheduleEvent(const Event* pEvent, int delay) { //TODO: delay not implemented yet      event_id_t AbstractEngineChannel::ScheduleEventMicroSec(const Event* pEvent, int delay) {
852          // since delay is not implemented yet, we simply add the new event          dmsg(3,("AbstractEngineChannel::ScheduleEventMicroSec(Event.Type=%d,delay=%d)\n", pEvent->Type, delay));
         // to the event list of the current audio fragmet cycle for now  
853          RTList<Event>::Iterator itEvent = pEvents->allocAppend();          RTList<Event>::Iterator itEvent = pEvents->allocAppend();
854          if (itEvent) *itEvent = *pEvent; // copy event          if (!itEvent) {
855                dmsg(1,("AbstractEngineChannel::ScheduleEventMicroSec(): Event pool emtpy!\n"));
856                return 0;
857            }
858            RTList<ScheduledEvent>::Iterator itNode = delayedEvents.schedulerNodes.allocAppend();
859            if (!itNode) { // scheduler node pool empty ...
860                dmsg(1,("AbstractEngineChannel::ScheduleEventMicroSec(): ScheduledEvent pool empty!\n"));
861                pEvents->free(itEvent);
862                return 0;
863            }
864            // copy passed event
865            *itEvent = *pEvent;
866            // move copied event to list of delayed events
867            itEvent = itEvent.moveToEndOf(delayedEvents.pList);
868            // connect scheduler node with the copied event
869            itNode->itEvent = itEvent;
870            // add entry to time sorted scheduler queue for copied event
871            pEngine->pEventGenerator->scheduleAheadMicroSec(
872                delayedEvents.queue, *itNode, itEvent->FragmentPos(), delay
873            );
874            //dmsg(5,("ScheduledEvent queue size: %d\n", delayedEvents.queue.size()));
875          return pEvents->getID(itEvent);          return pEvents->getID(itEvent);
876      }      }
877    
# Line 827  namespace LinuxSampler { Line 880  namespace LinuxSampler {
880       * reflected by given event ID. The event will be freed immediately to its       * reflected by given event ID. The event will be freed immediately to its
881       * pool and cannot be dereferenced by its old ID anymore. Even if its       * pool and cannot be dereferenced by its old ID anymore. Even if its
882       * allocated back from the Pool later on, it will have a different ID.       * allocated back from the Pool later on, it will have a different ID.
883         *
884         * @param id - unique ID of event to be dropped
885       */       */
886      void AbstractEngineChannel::IgnoreEvent(int id) {      void AbstractEngineChannel::IgnoreEvent(event_id_t id) {
887          RTList<Event>::Iterator it = pEvents->fromID(id);          RTList<Event>::Iterator it = pEvents->fromID(id);
888          if (it) pEvents->free(it);          if (it) pEvents->free(it);
889      }      }
890    
891        /** @brief Drop the requested event.
892         *
893         * Called by real-time instrument script functions to ignore the event
894         * reflected by the given event @a id. This method detects whether the
895         * passed ID is actually a @c Note ID or a regular @c Event ID and act
896         * accordingly.
897         *
898         * @param id - event id (from script scope)
899         * @see ScriptID
900         */
901        void AbstractEngineChannel::IgnoreEventByScriptID(const ScriptID& id) {
902            switch (id.type()) {
903                case ScriptID::EVENT:
904                    IgnoreEvent( id.eventID() );
905                    break;
906                case ScriptID::NOTE:
907                    IgnoreNote( id.noteID() );
908                    break;
909            }
910        }
911    
912      FxSend* AbstractEngineChannel::AddFxSend(uint8_t MidiCtrl, String Name) throw (Exception) {      FxSend* AbstractEngineChannel::AddFxSend(uint8_t MidiCtrl, String Name) throw (Exception) {
913          if (pEngine) pEngine->DisableAndLock();          if (pEngine) pEngine->DisableAndLock();
914          FxSend* pFxSend = new FxSend(this, MidiCtrl, Name);          FxSend* pFxSend = new FxSend(this, MidiCtrl, Name);
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