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* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005-2008 Christian Schoenebeck * |
* Copyright (C) 2005-2008 Christian Schoenebeck * |
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* Copyright (C) 2009-2012 Christian Schoenebeck and Grigor Iliev * |
* Copyright (C) 2009-2012 Christian Schoenebeck and Grigor Iliev * |
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* Copyright (C) 2013-2014 Christian Schoenebeck and Andreas Persson * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* 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 * |
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virtual AudioOutputDevice* GetAudioOutputDevice() OVERRIDE; |
virtual AudioOutputDevice* GetAudioOutputDevice() OVERRIDE; |
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virtual void SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) OVERRIDE; |
virtual void SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) OVERRIDE; |
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virtual int OutputChannel(uint EngineAudioChannel) OVERRIDE; |
virtual int OutputChannel(uint EngineAudioChannel) OVERRIDE; |
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virtual void Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel) OVERRIDE; |
virtual void Connect(MidiInputPort* pMidiPort) OVERRIDE; |
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virtual void DisconnectMidiInputPort() OVERRIDE; |
virtual void Disconnect(MidiInputPort* pMidiPort) OVERRIDE; |
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virtual MidiInputPort* GetMidiInputPort() OVERRIDE; |
virtual void DisconnectAllMidiInputPorts() OVERRIDE; |
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virtual uint GetMidiInputPortCount() OVERRIDE; |
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virtual MidiInputPort* GetMidiInputPort(uint index) OVERRIDE; |
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virtual midi_chan_t MidiChannel() OVERRIDE; |
virtual midi_chan_t MidiChannel() OVERRIDE; |
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virtual void SetMidiChannel(midi_chan_t MidiChannel) OVERRIDE; |
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virtual void Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel) OVERRIDE; // deprecated, may be removed |
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virtual void DisconnectMidiInputPort() OVERRIDE; // deprecated, may be removed |
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virtual MidiInputPort* GetMidiInputPort() OVERRIDE; // deprecated, may be removed |
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virtual String InstrumentFileName() OVERRIDE; |
virtual String InstrumentFileName() OVERRIDE; |
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virtual String InstrumentName() OVERRIDE; |
virtual String InstrumentName() OVERRIDE; |
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virtual int InstrumentIndex() OVERRIDE; |
virtual int InstrumentIndex() OVERRIDE; |
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AbstractEngine* pEngine; |
AbstractEngine* pEngine; |
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Mutex EngineMutex; ///< protects the Engine from access by the instrument loader thread when lscp is disconnecting |
Mutex EngineMutex; ///< protects the Engine from access by the instrument loader thread when lscp is disconnecting |
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Mutex MidiInputMutex; ///< Introduced when support for multiple MIDI inputs per engine channel was added: protects the MIDI event input ringbuffer on this engine channel to be accessed concurrently by multiple midi input threads. As alternative one might also move the ringbuffer from this engine channel to the individual MIDI ports/devices and let the sampler engine read the events from there instead of receiving them here. |
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protected: |
protected: |
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AudioChannel* pChannelLeft; ///< encapsulates the audio rendering buffer (left) |
AudioChannel* pChannelLeft; ///< encapsulates the audio rendering buffer (left) |
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AudioChannel* pChannelRight; ///< encapsulates the audio rendering buffer (right) |
AudioChannel* pChannelRight; ///< encapsulates the audio rendering buffer (right) |
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int AudioDeviceChannelLeft; ///< audio device channel number to which the left channel is connected to |
int AudioDeviceChannelLeft; ///< audio device channel number to which the left channel is connected to |
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int AudioDeviceChannelRight; ///< audio device channel number to which the right channel is connected to |
int AudioDeviceChannelRight; ///< audio device channel number to which the right channel is connected to |
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MidiInputPort* pMidiInputPort; ///< Points to the connected MIDI input port or NULL if none assigned. |
DoubleBuffer< ArrayList<MidiInputPort*> > midiInputs; ///< MIDI input ports on which this sampler engine channel shall listen to. |
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midi_chan_t midiChannel; ///< MIDI channel(s) on which this engine channel listens to. |
midi_chan_t midiChannel; ///< MIDI channel(s) on which this engine channel listens to (on all MIDI input ports). |
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RingBuffer<Event,false>* pEventQueue; ///< Input event queue. |
RingBuffer<Event,false>* pEventQueue; ///< Input event queue. |
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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. |
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uint8_t ControllerTable[129]; ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel. Number 128 is for channel pressure (mono aftertouch). |
uint8_t ControllerTable[129]; ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel. Number 128 is for channel pressure (mono aftertouch). |
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void HandleKeyGroupConflicts(uint KeyGroup, Pool<Event>::Iterator& itNoteOnEvent); |
void HandleKeyGroupConflicts(uint KeyGroup, Pool<Event>::Iterator& itNoteOnEvent); |
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void ClearGroupEventLists(); |
void ClearGroupEventLists(); |
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void DeleteGroupEventLists(); |
void DeleteGroupEventLists(); |
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private: |
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/** |
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* Returns @c true if there are 2 ore more MidiInputPorts connected |
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* to this engine channel. |
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* |
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* This method is currently only used to prevent unnecessary |
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* MidiInputMutex.Lock() if there is not more than 1 MIDI input on |
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* this engine channel. |
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*/ |
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inline bool hasMultipleMIDIInputs() const { |
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//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 |
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return midiInputs.unsafeBack().size() > 1; |
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} |
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}; |
}; |
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} // namespace LinuxSampler |
} // namespace LinuxSampler |