/[svn]/linuxsampler/trunk/src/engines/common/Engine.h
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revision 410 by schoenebeck, Sat Feb 19 02:40:24 2005 UTC revision 411 by schoenebeck, Sat Feb 26 02:01:14 2005 UTC
# Line 3  Line 3 
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                              *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   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 24  Line 25 
25  #define __LS_ENGINE_H__  #define __LS_ENGINE_H__
26    
27  #include "../../common/global.h"  #include "../../common/global.h"
 #include "../../drivers/audio/AudioOutputDevice.h"  
28    
29  namespace LinuxSampler {  namespace LinuxSampler {
30    
31      // just symbol prototyping      /** @brief LinuxSampler Sampler Engine Interface
     class AudioOutputDevice;  
   
     /** LinuxSampler Sampler Engine  
32       *       *
33       * Abstract base class for all LinuxSampler engines.       * Abstract base interface class for all LinuxSampler engines which
34         * defines all mandatory methods which have to be implemented by all
35         * sampler engine implementations.
36       */       */
37      class Engine {      class Engine {
38          public:          public:            
   
             virtual ~Engine() {};  
   
             /////////////////////////////////////////////////////////////////  
             // type definitions  
   
             /**  
              * List with all currently implemented sampler engines.  
              */  
             enum type_t {  
                 type_gig  
             };  
   
   
39    
40              /////////////////////////////////////////////////////////////////              /////////////////////////////////////////////////////////////////
41              // abstract methods              // abstract methods
42              //     (these have to be implemented by the descendant)              //     (these have to be implemented by the descendant)
43    
44              virtual void   PrepareLoadInstrument(const char* FileName, uint Instrument) = 0;              virtual void   SendSysex(void* pData, uint Size) = 0;
             virtual void   LoadInstrument() = 0;  
45              virtual void   Reset() = 0;              virtual void   Reset() = 0;
46              virtual void   Enable() = 0;              virtual void   Enable() = 0;
47              virtual void   Disable() = 0;              virtual void   Disable() = 0;
             virtual void   SendNoteOn(uint8_t Key, uint8_t Velocity) = 0;  
             virtual void   SendNoteOff(uint8_t Key, uint8_t Velocity) = 0;  
             virtual void   SendPitchbend(int Pitch) = 0;  
             virtual void   SendControlChange(uint8_t Controller, uint8_t Value) = 0;  
             virtual void   SendSysex(void* pData, uint Size) = 0;  
             virtual float  Volume() = 0;  
             virtual void   Volume(float f) = 0;  
             virtual uint   Channels() = 0;  
             virtual void   Connect(AudioOutputDevice* pAudioOut) = 0;  
             virtual void   DisconnectAudioOutputDevice() = 0;  
             virtual void   SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) = 0;  
             virtual int    OutputChannel(uint EngineAudioChannel) = 0;  
             virtual int    RenderAudio(uint Samples) = 0;  
48              virtual uint   VoiceCount() = 0;              virtual uint   VoiceCount() = 0;
49              virtual uint   VoiceCountMax() = 0;              virtual uint   VoiceCountMax() = 0;
50              virtual bool   DiskStreamSupported() = 0;              virtual bool   DiskStreamSupported() = 0;
# Line 84  namespace LinuxSampler { Line 55  namespace LinuxSampler {
55              virtual String Description() = 0;              virtual String Description() = 0;
56              virtual String Version() = 0;              virtual String Version() = 0;
57              virtual String EngineName() = 0;              virtual String EngineName() = 0;
58              virtual String InstrumentFileName() = 0;  
59              virtual String InstrumentName() = 0;              virtual ~Engine() {};
             virtual int    InstrumentIndex() = 0;  
             virtual int    InstrumentStatus() = 0;  
60      };      };
61  }      
62    } // namespace LinuxSampler
63    
64  #endif // __LS_ENGINE_H__  #endif // __LS_ENGINE_H__
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