/[svn]/linuxsampler/trunk/src/engines/gig/EngineChannel.h
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revision 970 by schoenebeck, Wed Dec 6 22:28:17 2006 UTC revision 1924 by persson, Sun Jun 28 16:43:38 2009 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, 2006 Christian Schoenebeck                        *   *   Copyright (C) 2005 - 2009 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 24 
24  #ifndef __LS_GIG_ENGINECHANNEL_H__  #ifndef __LS_GIG_ENGINECHANNEL_H__
25  #define __LS_GIG_ENGINECHANNEL_H__  #define __LS_GIG_ENGINECHANNEL_H__
26    
 #if DEBUG_HEADERS  
 # warning EngineChannel.h included  
 #endif // DEBUG_HEADERS  
   
27  #include "../common/Event.h"  #include "../common/Event.h"
28  #include "../EngineChannel.h"  #include "../EngineChannel.h"
29  #include "../../common/RingBuffer.h"  #include "../../common/RingBuffer.h"
30    #include "../../common/ArrayList.h"
31    #include "../../drivers/audio/AudioChannel.h"
32  #include "EngineGlobals.h"  #include "EngineGlobals.h"
33  #include "Engine.h"  #include "Engine.h"
34  #include "Voice.h"  #include "Voice.h"
# Line 64  namespace LinuxSampler { namespace gig { Line 62  namespace LinuxSampler { namespace gig {
62              virtual void    SendPitchbend(int Pitch, int32_t FragmentPos);              virtual void    SendPitchbend(int Pitch, int32_t FragmentPos);
63              virtual void    SendControlChange(uint8_t Controller, uint8_t Value);              virtual void    SendControlChange(uint8_t Controller, uint8_t Value);
64              virtual void    SendControlChange(uint8_t Controller, uint8_t Value, int32_t FragmentPos);              virtual void    SendControlChange(uint8_t Controller, uint8_t Value, int32_t FragmentPos);
65                virtual void    SendProgramChange(uint8_t Program);
66              virtual bool    StatusChanged(bool bNewStatus = false);              virtual bool    StatusChanged(bool bNewStatus = false);
67              virtual float   Volume();              virtual float   Volume();
68              virtual void    Volume(float f);              virtual void    Volume(float f);
69                virtual float   Pan();
70                virtual void    Pan(float f);
71              virtual uint    Channels();              virtual uint    Channels();
72              virtual void    Connect(AudioOutputDevice* pAudioOut);              virtual void    Connect(AudioOutputDevice* pAudioOut);
73              virtual void    DisconnectAudioOutputDevice();              virtual void    DisconnectAudioOutputDevice();
74                virtual AudioOutputDevice* GetAudioOutputDevice();
75              virtual void    SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel);              virtual void    SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel);
76              virtual int     OutputChannel(uint EngineAudioChannel);              virtual int     OutputChannel(uint EngineAudioChannel);
77              virtual void    Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel);              virtual void    Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel);
# Line 82  namespace LinuxSampler { namespace gig { Line 84  namespace LinuxSampler { namespace gig {
84              virtual int     InstrumentStatus();              virtual int     InstrumentStatus();
85              virtual LinuxSampler::Engine* GetEngine();              virtual LinuxSampler::Engine* GetEngine();
86              virtual String  EngineName();              virtual String  EngineName();
87                virtual FxSend* AddFxSend(uint8_t MidiCtrl, String Name = "") throw (Exception);
88                virtual FxSend* GetFxSend(uint FxSendIndex);
89                virtual uint    GetFxSendCount();
90                virtual void    RemoveFxSend(FxSend* pFxSend);
91                virtual void    Connect(VirtualMidiDevice* pDevice);
92                virtual void    Disconnect(VirtualMidiDevice* pDevice);
93    
94              // implementation of abstract methods derived from interface class 'InstrumentConsumer'              // implementation of abstract methods derived from interface class 'InstrumentConsumer'
95              virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg);              virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg);
# Line 90  namespace LinuxSampler { namespace gig { Line 98  namespace LinuxSampler { namespace gig {
98    
99          //protected:          //protected:
100              Engine*                 pEngine;              Engine*                 pEngine;
101              float*                  pOutputLeft;              ///< Audio output channel buffer (left)              AudioChannel*           pChannelLeft;             ///< encapsulates the audio rendering buffer (left)
102              float*                  pOutputRight;             ///< Audio output channel buffer (right)              AudioChannel*           pChannelRight;            ///< encapsulates the audio rendering buffer (right)
103              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
104              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
105              MidiInputPort*          pMidiInputPort;           ///< Points to the connected MIDI input port or NULL if none assigned.              MidiInputPort*          pMidiInputPort;           ///< Points to the connected MIDI input port or NULL if none assigned.
# Line 122  namespace LinuxSampler { namespace gig { Line 130  namespace LinuxSampler { namespace gig {
130              int                     InstrumentStat;              int                     InstrumentStat;
131              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.
132              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)
133                std::vector<FxSend*>    fxSends;
134                int                     GlobalTranspose;          ///< amount of semi tones all notes should be transposed
135                int                     iLastPanRequest; ///< just for the return value of Pan(), so we don't have to make an injective function
136    
137                /// Command used by the instrument loader thread to
138                /// request an instrument change on a channel.
139                struct instrument_change_command_t {
140                    bool bChangeInstrument;                             ///< Set to true by the loader when the channel should change instrument.
141                    ::gig::Instrument* pInstrument;                     ///< The new instrument. Also used by the loader to read the previously loaded instrument.
142                    RTList< ::gig::DimensionRegion*>* pDimRegionsInUse; ///< List of dimension regions in use by the currently loaded instrument. Continuously updated by the audio thread.
143                };
144                SynchronizedConfig<instrument_change_command_t> InstrumentChangeCommand;
145                SynchronizedConfig<instrument_change_command_t>::Reader InstrumentChangeCommandReader;
146    
147                RTList< ::gig::DimensionRegion*>* pDimRegionsInUse;     ///< temporary pointer into the instrument change command, used by the audio thread
148    
149                SynchronizedConfig< ArrayList<VirtualMidiDevice*> > virtualMidiDevices;
150                SynchronizedConfig< ArrayList<VirtualMidiDevice*> >::Reader virtualMidiDevicesReader_AudioThread;
151                SynchronizedConfig< ArrayList<VirtualMidiDevice*> >::Reader virtualMidiDevicesReader_MidiThread;
152    
153              void ResetControllers();              void ResetControllers();
154              void ClearEventLists();              void ClearEventLists();
# Line 133  namespace LinuxSampler { namespace gig { Line 160  namespace LinuxSampler { namespace gig {
160    
161          private:          private:
162              void ResetInternal();              void ResetInternal();
163                void RemoveAllFxSends();
164                void ClearDimRegionsInUse();
165                void ResetDimRegionsInUse();
166                instrument_change_command_t& ChangeInstrument(::gig::Instrument* pInstrument);
167      };      };
168    
169  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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