/[svn]/linuxsampler/trunk/src/engines/gig/EngineChannel.h
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/EngineChannel.h

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 424 by schoenebeck, Fri Mar 4 22:54:11 2005 UTC revision 2330 by schoenebeck, Mon Mar 12 15:14:31 2012 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
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 Christian Schoenebeck                              *   *   Copyright (C) 2005-2012 Christian Schoenebeck                         *
7     *   Copyright (C) 2009 Grigor Iliev                                       *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 22  Line 23 
23   ***************************************************************************/   ***************************************************************************/
24    
25  #ifndef __LS_GIG_ENGINECHANNEL_H__  #ifndef __LS_GIG_ENGINECHANNEL_H__
26  #define __LS_GIG_ENGINECHANNEL_H__  #define __LS_GIG_ENGINECHANNEL_H__
27    
28  #if DEBUG_HEADERS  #include "../AbstractEngine.h"
29  # warning EngineChannel.h included  #include "../EngineChannelBase.h"
30  #endif // DEBUG_HEADERS  #include "../EngineChannelFactory.h"
   
 #include "../common/Event.h"  
 #include "../common/EngineChannel.h"  
 #include "EngineGlobals.h"  
 #include "Engine.h"  
31  #include "Voice.h"  #include "Voice.h"
32  #include "InstrumentResourceManager.h"  #include <gig.h>
33    
34  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
35        class EngineChannel: public LinuxSampler::EngineChannelBase<Voice, ::gig::DimensionRegion, ::gig::Instrument> {
36            public:
37                virtual void SendProgramChange(uint8_t Program);
38                virtual void LoadInstrument();
39                virtual void ResetInternal();
40                virtual String InstrumentFileName();
41                virtual String InstrumentFileName(int index);
42    
43      // just symbol prototyping              virtual AbstractEngine::Format GetEngineFormat();
     class midi_key_info_t;  
     class Voice;  
44    
45      class EngineChannel : public LinuxSampler::EngineChannel, public InstrumentConsumer {              friend class Voice;
46          public:              friend class Engine;
47                friend class LinuxSampler::EngineChannelFactory;
48    
49            protected:
50              EngineChannel();              EngineChannel();
51              virtual ~EngineChannel();                          virtual ~EngineChannel();
52              
53              // implementation of abstract methods derived from interface class 'LinuxSampler::EngineChannel'              float CurrentKeyDimension;      ///< Current value (0-1.0) for the keyboard dimension, altered by pressing a keyswitching key.
54              virtual void    PrepareLoadInstrument(const char* FileName, uint Instrument);  
55              virtual void    LoadInstrument();              virtual void ProcessKeySwitchChange(int key);
             virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity);  
             virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity);  
             virtual void    SendPitchbend(int Pitch);  
             virtual void    SendControlChange(uint8_t Controller, uint8_t Value);              
             virtual float   Volume();  
             virtual void    Volume(float f);  
             virtual uint    Channels();  
             virtual void    Connect(AudioOutputDevice* pAudioOut);  
             virtual void    DisconnectAudioOutputDevice();  
             virtual void    SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel);  
             virtual int     OutputChannel(uint EngineAudioChannel);  
             virtual String  InstrumentFileName();  
             virtual String  InstrumentName();  
             virtual int     InstrumentIndex();  
             virtual int     InstrumentStatus();  
             virtual LinuxSampler::Engine* GetEngine();              
   
             // implementation of abstract methods derived from interface class 'InstrumentConsumer'  
             virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg);  
             virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg);  
               
         //protected:                        
             Engine*                 pEngine;  
             float*                  pOutputLeft;              ///< Audio output channel buffer (left)  
             float*                  pOutputRight;             ///< Audio output channel buffer (right)  
             int                     AudioDeviceChannelLeft;   ///< audio device channel number to which the left channel is connected to  
             int                     AudioDeviceChannelRight;  ///< audio device channel number to which the right channel is connected to  
             RingBuffer<Event>*      pEventQueue;              ///< Input event queue.  
             uint8_t                 ControllerTable[128];     ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel.              
             midi_key_info_t*        pMIDIKeyInfo;             ///< Contains all active voices sorted by MIDI key number and other informations to the respective MIDI key  
             Pool<uint>*             pActiveKeys;              ///< Holds all keys in it's allocation list with active voices.              
             std::map<uint,uint*>    ActiveKeyGroups;          ///< Contains active keys (in case they belong to a key group) ordered by key group ID.  
             ::gig::Instrument*      pInstrument;  
             bool                    SustainPedal;             ///< true if sustain pedal is down  
             double                  GlobalVolume;             ///< overall volume (a value < 1.0 means attenuation, a value > 1.0 means amplification)  
             float                   GlobalPanLeft;  
             float                   GlobalPanRight;  
             int                     Pitch;                    ///< Current (absolute) MIDI pitch value.  
             int                     CurrentKeyDimension;      ///< Current value (0-127) for the keyboard dimension, altered by pressing a keyswitching key.  
             String                  InstrumentFile;  
             int                     InstrumentIdx;  
             String                  InstrumentIdxName;  
             int                     InstrumentStat;  
             RTList<Voice>::Iterator itLastStolenVoice;        ///< Only for voice stealing: points to the last voice which was theft in current audio fragment, NULL otherwise.  
             RTList<uint>::Iterator  iuiLastStolenKey;         ///< Only for voice stealing: key number of last key on which the last voice was theft in current audio fragment, NULL otherwise.  
56    
             friend class Engine;  
             friend class Voice;  
             friend class InstrumentResourceManager;  
               
         private:  
             void ResetInternal();  
57      };      };
58    
59  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
60    
61  #endif // __LS_GIG_ENGINECHANNEL_H__  #endif  /* __LS_GIG_ENGINECHANNEL_H__ */
Legend:
Removed from v.424  
changed lines
  Added in v.2330
  ViewVC Help
Powered by ViewVC