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

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revision 411 by schoenebeck, Sat Feb 26 02:01:14 2005 UTC revision 563 by schoenebeck, Sun May 22 20:43:32 2005 UTC
# Line 32  Line 32 
32  #include "../common/EngineChannel.h"  #include "../common/EngineChannel.h"
33  #include "EngineGlobals.h"  #include "EngineGlobals.h"
34  #include "Engine.h"  #include "Engine.h"
35    #include "Voice.h"
36  #include "InstrumentResourceManager.h"  #include "InstrumentResourceManager.h"
37    
38  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
39    
40        // just symbol prototyping
41      class midi_key_info_t;      class midi_key_info_t;
42        class Voice;
43    
44        /** @brief Engine Channel of a gig::Engine
45         *
46         * Encapsulates a engine channel for the Gigasampler format capable
47         * sampler engine.
48         */
49      class EngineChannel : public LinuxSampler::EngineChannel, public InstrumentConsumer {      class EngineChannel : public LinuxSampler::EngineChannel, public InstrumentConsumer {
50          public:          public:
51              EngineChannel();              EngineChannel();
52              virtual ~EngineChannel();                          virtual ~EngineChannel();
53              
54              // implementation of abstract methods derived from interface class 'LinuxSampler::EngineChannel'              // implementation of abstract methods derived from interface class 'LinuxSampler::EngineChannel'
             virtual int     RenderAudio(uint Samples);  
55              virtual void    PrepareLoadInstrument(const char* FileName, uint Instrument);              virtual void    PrepareLoadInstrument(const char* FileName, uint Instrument);
56              virtual void    LoadInstrument();              virtual void    LoadInstrument();
57              virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity);              virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity);
58              virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity);              virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity);
59              virtual void    SendPitchbend(int Pitch);              virtual void    SendPitchbend(int Pitch);
60              virtual void    SendControlChange(uint8_t Controller, uint8_t Value);                          virtual void    SendControlChange(uint8_t Controller, uint8_t Value);
61              virtual float   Volume();              virtual float   Volume();
62              virtual void    Volume(float f);              virtual void    Volume(float f);
63              virtual uint    Channels();              virtual uint    Channels();
# Line 62  namespace LinuxSampler { namespace gig { Line 69  namespace LinuxSampler { namespace gig {
69              virtual String  InstrumentName();              virtual String  InstrumentName();
70              virtual int     InstrumentIndex();              virtual int     InstrumentIndex();
71              virtual int     InstrumentStatus();              virtual int     InstrumentStatus();
72              virtual LinuxSampler::Engine* GetEngine();                          virtual LinuxSampler::Engine* GetEngine();
73                virtual String  EngineName();
74    
75              // implementation of abstract methods derived from interface class 'InstrumentConsumer'              // implementation of abstract methods derived from interface class 'InstrumentConsumer'
76              virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg);              virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg);
77              virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg);              virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg);
78                            virtual void OnResourceProgress(float fProgress);
79          //protected:                        
80            //protected:
81              Engine*                 pEngine;              Engine*                 pEngine;
82              float*                  pOutputLeft;              ///< Audio output channel buffer (left)              float*                  pOutputLeft;              ///< Audio output channel buffer (left)
83              float*                  pOutputRight;             ///< Audio output channel buffer (right)              float*                  pOutputRight;             ///< Audio output channel buffer (right)
84              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
85              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
86              RingBuffer<Event>*      pEventQueue;              ///< Input event queue.              RingBuffer<Event>*      pEventQueue;              ///< Input event queue.
87              uint8_t                 ControllerTable[128];     ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel.                          RTList<Event>*          pEvents;                  ///< All engine channel specific events for the current audio fragment.
88                RTList<Event>*          pCCEvents;                ///< All control change events for the current audio fragment on this engine channel.
89                RTList<Event>*          pSynthesisEvents[Event::destination_count]; ///< Events directly affecting synthesis parameters (like pitch, volume and filter).
90                uint8_t                 ControllerTable[128];     ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel.
91              midi_key_info_t*        pMIDIKeyInfo;             ///< Contains all active voices sorted by MIDI key number and other informations to the respective MIDI key              midi_key_info_t*        pMIDIKeyInfo;             ///< Contains all active voices sorted by MIDI key number and other informations to the respective MIDI key
92              Pool<uint>*             pActiveKeys;              ///< Holds all keys in it's allocation list with active voices.                          Pool<uint>*             pActiveKeys;              ///< Holds all keys in it's allocation list with active voices.
93              std::map<uint,uint*>    ActiveKeyGroups;          ///< Contains active keys (in case they belong to a key group) ordered by key group ID.              std::map<uint,uint*>    ActiveKeyGroups;          ///< Contains active keys (in case they belong to a key group) ordered by key group ID.
94              ::gig::Instrument*      pInstrument;              ::gig::Instrument*      pInstrument;
95              bool                    SustainPedal;             ///< true if sustain pedal is down              bool                    SustainPedal;             ///< true if sustain pedal is down
96              double                  GlobalVolume;             ///< overall volume (a value < 1.0 means attenuation, a value > 1.0 means amplification)              double                  GlobalVolume;             ///< overall volume (a value < 1.0 means attenuation, a value > 1.0 means amplification)
97                float                   GlobalPanLeft;
98                float                   GlobalPanRight;
99              int                     Pitch;                    ///< Current (absolute) MIDI pitch value.              int                     Pitch;                    ///< Current (absolute) MIDI pitch value.
100              int                     CurrentKeyDimension;      ///< Current value (0-127) for the keyboard dimension, altered by pressing a keyswitching key.              int                     CurrentKeyDimension;      ///< Current value (0-127) for the keyboard dimension, altered by pressing a keyswitching key.
101              String                  InstrumentFile;              String                  InstrumentFile;
102              int                     InstrumentIdx;              int                     InstrumentIdx;
103              String                  InstrumentIdxName;              String                  InstrumentIdxName;
104              int                     InstrumentStat;                          int                     InstrumentStat;
105                int                     iEngineIndexSelf;         ///< Reflects the index of this EngineChannel in the Engine's ArrayList.
106    
107                void ResetControllers();
108                void ClearEventLists();
109                void ImportEvents(uint Samples);
110    
111              friend class Engine;              friend class Engine;
112              friend class Voice;              friend class Voice;
113              friend class InstrumentResourceManager;              friend class InstrumentResourceManager;
114                
115          private:          private:
116              void ResetInternal();              void ResetInternal();
117      };      };
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