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

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revision 2559 by schoenebeck, Sun May 18 17:38:25 2014 UTC revision 2613 by schoenebeck, Tue Jun 10 15:17:01 2014 UTC
# Line 31  Line 31 
31    
32  #include "../common/Pool.h"  #include "../common/Pool.h"
33  #include "../common/RingBuffer.h"  #include "../common/RingBuffer.h"
34    #include "../common/ResourceManager.h"
35    #include "common/AbstractInstrumentManager.h"
36    #include "common/InstrumentScriptVM.h"
37    
38    #define CTRL_TABLE_IDX_AFTERTOUCH   128
39    #define CTRL_TABLE_IDX_PITCHBEND    129
40    
41  namespace LinuxSampler {  namespace LinuxSampler {
42    
43      class AbstractEngineChannel: public EngineChannel {      class MidiKeyboardManagerBase;
44    
45        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'
48              virtual void    PrepareLoadInstrument(const char* FileName, uint Instrument) OVERRIDE;              virtual void    PrepareLoadInstrument(const char* FileName, uint Instrument) OVERRIDE;
# Line 83  namespace LinuxSampler { Line 91  namespace LinuxSampler {
91              virtual void    Connect(VirtualMidiDevice* pDevice) OVERRIDE;              virtual void    Connect(VirtualMidiDevice* pDevice) OVERRIDE;
92              virtual void    Disconnect(VirtualMidiDevice* pDevice) OVERRIDE;              virtual void    Disconnect(VirtualMidiDevice* pDevice) OVERRIDE;
93    
94                // implementation of abstract methods derived from AbstractEngine::ScriptConsumer
95                virtual void ResourceToBeUpdated(VMParserContext* pResource, void*& pUpdateArg) OVERRIDE {}
96                virtual void ResourceUpdated(VMParserContext* pOldResource, VMParserContext* pNewResource, void* pUpdateArg) OVERRIDE {}
97                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    
# Line 93  namespace LinuxSampler { Line 106  namespace LinuxSampler {
106              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;
107              template<class EC, class R, class S, class D> friend class VoiceBase;              template<class EC, class R, class S, class D> friend class VoiceBase;
108    
109          protected:          //protected:
110              AbstractEngineChannel();              AbstractEngineChannel();
111              virtual ~AbstractEngineChannel();              virtual ~AbstractEngineChannel();
112    
# Line 101  namespace LinuxSampler { Line 114  namespace LinuxSampler {
114              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
115              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.              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.
116    
117          protected:          //protected:
118              AudioChannel*             pChannelLeft;             ///< encapsulates the audio rendering buffer (left)              AudioChannel*             pChannelLeft;             ///< encapsulates the audio rendering buffer (left)
119              AudioChannel*             pChannelRight;            ///< encapsulates the audio rendering buffer (right)              AudioChannel*             pChannelRight;            ///< encapsulates the audio rendering buffer (right)
120              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
# Line 110  namespace LinuxSampler { Line 123  namespace LinuxSampler {
123              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).
124              RingBuffer<Event,false>*  pEventQueue;              ///< Input event queue.              RingBuffer<Event,false>*  pEventQueue;              ///< Input event queue.
125              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.
126              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[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.
127              String                    InstrumentFile;              String                    InstrumentFile;
128              int                       InstrumentIdx;              int                       InstrumentIdx;
129              String                    InstrumentIdxName;              String                    InstrumentIdxName;
# Line 128  namespace LinuxSampler { Line 141  namespace LinuxSampler {
141              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.
142              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)
143              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
144                InstrumentScript*         pScript;                  ///< Points to the real-time instrument script(s) to be executed, NULL if current instrument does not have an instrument script.
145    
146              SynchronizedConfig< ArrayList<VirtualMidiDevice*> > virtualMidiDevices;              SynchronizedConfig< ArrayList<VirtualMidiDevice*> > virtualMidiDevices;
147              SynchronizedConfig< ArrayList<VirtualMidiDevice*> >::Reader virtualMidiDevicesReader_AudioThread;              SynchronizedConfig< ArrayList<VirtualMidiDevice*> >::Reader virtualMidiDevicesReader_AudioThread;
# Line 156  namespace LinuxSampler { Line 170  namespace LinuxSampler {
170              virtual void RemoveAllFxSends();              virtual void RemoveAllFxSends();
171    
172              void ImportEvents(uint Samples);              void ImportEvents(uint Samples);
173                int  ScheduleEvent(const Event* pEvent, int delay); //TODO: delay not implemented yet
174                void IgnoreEvent(int id);
175    
176              void AddGroup(uint group);              void AddGroup(uint group);
177              void HandleKeyGroupConflicts(uint KeyGroup, Pool<Event>::Iterator& itNoteOnEvent);              void HandleKeyGroupConflicts(uint KeyGroup, Pool<Event>::Iterator& itNoteOnEvent);
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