/[svn]/linuxsampler/trunk/src/engines/AbstractEngineChannel.h
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revision 2611 by schoenebeck, Mon Jun 9 19:20:37 2014 UTC revision 3073 by schoenebeck, Thu Jan 5 16:04:00 2017 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) 2012-2017 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 40  Line 40 
40    
41  namespace LinuxSampler {  namespace LinuxSampler {
42    
43        class MidiKeyboardManagerBase;
44    
45      class AbstractEngineChannel: public EngineChannel, public InstrumentScriptConsumer {      class AbstractEngineChannel: public EngineChannel, public InstrumentScriptConsumer {
46          public:          public:
47              // implementation of abstract methods derived from interface class 'LinuxSampler::EngineChannel'              // implementation of abstract methods derived from interface class 'LinuxSampler::EngineChannel'
# Line 95  namespace LinuxSampler { Line 97  namespace LinuxSampler {
97              virtual void OnResourceProgress(float fProgress) OVERRIDE {}              virtual void OnResourceProgress(float fProgress) OVERRIDE {}
98    
99              virtual AbstractEngine::Format GetEngineFormat() = 0;              virtual AbstractEngine::Format GetEngineFormat() = 0;
100                virtual MidiKeyboardManagerBase* GetMidiKeyboardManager() = 0;
101    
102              AudioOutputDevice* GetAudioOutputDeviceSafe();              AudioOutputDevice* GetAudioOutputDeviceSafe();
103    
104                script_callback_id_t GetScriptCallbackID(const ScriptEvent* e) const {
105                    return pScript->pEvents->getID(e);
106                }
107    
108                RTList<ScriptEvent>::Iterator ScriptCallbackByID(script_callback_id_t id) const {
109                    return pScript->pEvents->fromID(id);
110                }
111    
112                void ScheduleResumeOfScriptCallback(RTList<ScriptEvent>::Iterator& itCallback, sched_time_t now, bool forever);
113    
114              friend class AbstractVoice;              friend class AbstractVoice;
115              friend class AbstractEngine;              friend class AbstractEngine;
116              template<class TV, class TRR, class TR, class TD, class TIM, class TI> friend class EngineBase;              template<class TV, class TRR, class TR, class TD, class TIM, class TI> friend class EngineBase;
# Line 120  namespace LinuxSampler { Line 133  namespace LinuxSampler {
133              midi_chan_t               midiChannel;              ///< MIDI channel(s) on which this engine channel listens to (on all MIDI input ports).              midi_chan_t               midiChannel;              ///< MIDI channel(s) on which this engine channel listens to (on all MIDI input ports).
134              RingBuffer<Event,false>*  pEventQueue;              ///< Input event queue.              RingBuffer<Event,false>*  pEventQueue;              ///< Input event queue.
135              RTList<Event>*            pEvents;                  ///< All engine channel specific events for the current audio fragment.              RTList<Event>*            pEvents;                  ///< All engine channel specific events for the current audio fragment.
136                struct _DelayedEvents {
137                    RTList<Event>*            pList; ///< Unsorted list where all delayed events are moved to and remain here until they're finally processed.
138                    Pool<ScheduledEvent>      schedulerNodes; ///< Nodes used to sort the delayed events (stored on pList) with time sorted queue.
139                    RTAVLTree<ScheduledEvent> queue; ///< Used to access the delayed events (from pList) in time sorted manner.
140    
141                    _DelayedEvents() : pList(NULL), schedulerNodes(CONFIG_MAX_EVENTS_PER_FRAGMENT) {}
142    
143                    inline void clear() {
144                        if (pList) pList->clear();
145                        schedulerNodes.clear();
146                        queue.clear();
147                    }
148                } delayedEvents;
149              uint8_t                   ControllerTable[130];     ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel. Number 128 is for channel pressure (mono aftertouch), 129 for pitch bend.              uint8_t                   ControllerTable[130];     ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel. Number 128 is for channel pressure (mono aftertouch), 129 for pitch bend.
150              String                    InstrumentFile;              String                    InstrumentFile;
151              int                       InstrumentIdx;              int                       InstrumentIdx;
# Line 138  namespace LinuxSampler { Line 164  namespace LinuxSampler {
164              int                       iEngineIndexSelf;         ///< Reflects the index of this EngineChannel in the Engine's ArrayList.              int                       iEngineIndexSelf;         ///< Reflects the index of this EngineChannel in the Engine's ArrayList.
165              bool                      bStatusChanged;           ///< true in case an engine parameter has changed (e.g. new instrument, another volumet)              bool                      bStatusChanged;           ///< true in case an engine parameter has changed (e.g. new instrument, another volumet)
166              uint32_t                  RoundRobinIndex;          ///< counter for round robin sample selection, incremented for each note on              uint32_t                  RoundRobinIndex;          ///< counter for round robin sample selection, incremented for each note on
167              InstrumentScript*         pScript;                  ///< Points to the real-time instrument script(s) to be executed, NULL if current instrument does not have an instrument script.              InstrumentScript*         pScript;                  ///< Points to the real-time instrument script(s) to be executed, NULL if current instrument does not have an instrument script. Even though the underlying VM representation of the script is shared among multiple sampler channels, the InstrumentScript object here is not shared though, it exists for each sampler channel separately.
168    
169              SynchronizedConfig< ArrayList<VirtualMidiDevice*> > virtualMidiDevices;              SynchronizedConfig< ArrayList<VirtualMidiDevice*> > virtualMidiDevices;
170              SynchronizedConfig< ArrayList<VirtualMidiDevice*> >::Reader virtualMidiDevicesReader_AudioThread;              SynchronizedConfig< ArrayList<VirtualMidiDevice*> >::Reader virtualMidiDevicesReader_AudioThread;
# Line 163  namespace LinuxSampler { Line 189  namespace LinuxSampler {
189              ActiveKeyGroupMap ActiveKeyGroups;      ///< Contains event queues for key groups, ordered by key group ID.              ActiveKeyGroupMap ActiveKeyGroups;      ///< Contains event queues for key groups, ordered by key group ID.
190    
191              virtual void ResetControllers();              virtual void ResetControllers();
192              virtual void ResetInternal();              virtual void ResetInternal(bool bResetEngine);
193              virtual void RemoveAllFxSends();              virtual void RemoveAllFxSends();
194    
195              void ImportEvents(uint Samples);              void ImportEvents(uint Samples);
196              int  ScheduleEvent(const Event* pEvent, int delay); //TODO: delay not implemented yet              virtual note_id_t ScheduleNoteMicroSec(const Event* pEvent, int delay) = 0;
197              void IgnoreEvent(int id);              event_id_t ScheduleEventMicroSec(const Event* pEvent, int delay);
198                void IgnoreEvent(event_id_t id);
199                virtual void IgnoreNote(note_id_t id) = 0;
200                void IgnoreEventByScriptID(const ScriptID& id);
201                virtual uint AllNoteIDs(note_id_t* dstBuf, uint bufSize) = 0;
202    
203              void AddGroup(uint group);              void AddGroup(uint group);
204              void HandleKeyGroupConflicts(uint KeyGroup, Pool<Event>::Iterator& itNoteOnEvent);              void HandleKeyGroupConflicts(uint KeyGroup, Pool<Event>::Iterator& itNoteOnEvent);
# Line 188  namespace LinuxSampler { Line 218  namespace LinuxSampler {
218                  //FIXME: leaves tiny time frames open (shortly after 1->2 devices connected or 2->1 disconnected) which could lead to concurrency issue for the purpose described above, however in practice it "should" be acceptable                  //FIXME: leaves tiny time frames open (shortly after 1->2 devices connected or 2->1 disconnected) which could lead to concurrency issue for the purpose described above, however in practice it "should" be acceptable
219                  return midiInputs.unsafeBack().size() > 1;                  return midiInputs.unsafeBack().size() > 1;
220              }              }
221    
222                inline bool applyTranspose(Event* event);
223      };      };
224    
225  } // namespace LinuxSampler  } // namespace LinuxSampler
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