/[svn]/linuxsampler/trunk/src/engines/gig/EngineChannel.h
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revision 903 by persson, Sat Jul 22 14:22:53 2006 UTC revision 1659 by schoenebeck, Sun Feb 3 00:13:27 2008 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 - 2008 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 "../../drivers/midi/VirtualMidiDevice.h"
33  #include "EngineGlobals.h"  #include "EngineGlobals.h"
34  #include "Engine.h"  #include "Engine.h"
35  #include "Voice.h"  #include "Voice.h"
# Line 57  namespace LinuxSampler { namespace gig { Line 56  namespace LinuxSampler { namespace gig {
56              virtual void    LoadInstrument();              virtual void    LoadInstrument();
57              virtual void    Reset();              virtual void    Reset();
58              virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity);              virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity);
59                virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity, int32_t FragmentPos);
60              virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity);              virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity);
61                virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity, int32_t FragmentPos);
62              virtual void    SendPitchbend(int Pitch);              virtual void    SendPitchbend(int Pitch);
63                virtual void    SendPitchbend(int Pitch, int32_t FragmentPos);
64              virtual void    SendControlChange(uint8_t Controller, uint8_t Value);              virtual void    SendControlChange(uint8_t Controller, uint8_t Value);
65                virtual void    SendControlChange(uint8_t Controller, uint8_t Value, int32_t FragmentPos);
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 uint    Channels();              virtual uint    Channels();
70              virtual void    Connect(AudioOutputDevice* pAudioOut);              virtual void    Connect(AudioOutputDevice* pAudioOut);
71              virtual void    DisconnectAudioOutputDevice();              virtual void    DisconnectAudioOutputDevice();
72                virtual AudioOutputDevice* GetAudioOutputDevice();
73              virtual void    SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel);              virtual void    SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel);
74              virtual int     OutputChannel(uint EngineAudioChannel);              virtual int     OutputChannel(uint EngineAudioChannel);
75              virtual void    Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel);              virtual void    Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel);
# Line 78  namespace LinuxSampler { namespace gig { Line 82  namespace LinuxSampler { namespace gig {
82              virtual int     InstrumentStatus();              virtual int     InstrumentStatus();
83              virtual LinuxSampler::Engine* GetEngine();              virtual LinuxSampler::Engine* GetEngine();
84              virtual String  EngineName();              virtual String  EngineName();
85                virtual FxSend* AddFxSend(uint8_t MidiCtrl, String Name = "") throw (Exception);
86                virtual FxSend* GetFxSend(uint FxSendIndex);
87                virtual uint    GetFxSendCount();
88                virtual void    RemoveFxSend(FxSend* pFxSend);
89    
90              // implementation of abstract methods derived from interface class 'InstrumentConsumer'              // implementation of abstract methods derived from interface class 'InstrumentConsumer'
91              virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg);              virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg);
92              virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg);              virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg);
93              virtual void OnResourceProgress(float fProgress);              virtual void OnResourceProgress(float fProgress);
94    
95                void Connect(VirtualMidiDevice* pDevice);
96                void Disconnect(VirtualMidiDevice* pDevice);
97    
98          //protected:          //protected:
99              Engine*                 pEngine;              Engine*                 pEngine;
100              float*                  pOutputLeft;              ///< Audio output channel buffer (left)              AudioChannel*           pChannelLeft;             ///< encapsulates the audio rendering buffer (left)
101              float*                  pOutputRight;             ///< Audio output channel buffer (right)              AudioChannel*           pChannelRight;            ///< encapsulates the audio rendering buffer (right)
102              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
103              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
104              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.
105              midi_chan_t             midiChannel;              ///< MIDI channel(s) on which this engine channel listens to.              midi_chan_t             midiChannel;              ///< MIDI channel(s) on which this engine channel listens to.
106              RingBuffer<Event>*      pEventQueue;              ///< Input event queue.              RingBuffer<Event,false>* pEventQueue;             ///< Input event queue.
107              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.
108              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[129];     ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel. Number 128 is for channel pressure (mono aftertouch).
109              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
# Line 106  namespace LinuxSampler { namespace gig { Line 117  namespace LinuxSampler { namespace gig {
117              bool                    PortamentoMode;           ///< in Portamento Mode we slide the pitch from the last note to the current note.              bool                    PortamentoMode;           ///< in Portamento Mode we slide the pitch from the last note to the current note.
118              float                   PortamentoTime;           ///< How long it will take to glide from the previous note to the current (in seconds)              float                   PortamentoTime;           ///< How long it will take to glide from the previous note to the current (in seconds)
119              float                   PortamentoPos;            ///< Current position on the keyboard, that is integer and fractional part (only used if PortamentoMode is on)              float                   PortamentoPos;            ///< Current position on the keyboard, that is integer and fractional part (only used if PortamentoMode is on)
120              double                  GlobalVolume;             ///< overall volume (a value < 1.0 means attenuation, a value > 1.0 means amplification)              double                  GlobalVolume;             ///< Master volume factor set through the C++ API / LSCP (a value < 1.0 means attenuation, a value > 1.0 means amplification)
121                double                  MidiVolume;               ///< Volume factor altered by MIDI CC#7 (a value < 1.0 means attenuation, a value > 1.0 means amplification)
122              float                   GlobalPanLeft;              float                   GlobalPanLeft;
123              float                   GlobalPanRight;              float                   GlobalPanRight;
124              int                     Pitch;                    ///< Current (absolute) MIDI pitch value.              int                     Pitch;                    ///< Current (absolute) MIDI pitch value.
# Line 117  namespace LinuxSampler { namespace gig { Line 129  namespace LinuxSampler { namespace gig {
129              int                     InstrumentStat;              int                     InstrumentStat;
130              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.
131              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)
132                std::vector<FxSend*>    fxSends;
133                int                     GlobalTranspose;          ///< amount of semi tones all notes should be transposed
134    
135                /// Command used by the instrument loader thread to
136                /// request an instrument change on a channel.
137                struct instrument_change_command_t {
138                    bool bChangeInstrument;                             ///< Set to true by the loader when the channel should change instrument.
139                    ::gig::Instrument* pInstrument;                     ///< The new instrument. Also used by the loader to read the previously loaded instrument.
140                    RTList< ::gig::DimensionRegion*>* pDimRegionsInUse; ///< List of dimension regions in use by the currently loaded instrument. Continuously updated by the audio thread.
141                };
142                SynchronizedConfig<instrument_change_command_t> InstrumentChangeCommand;
143                SynchronizedConfig<instrument_change_command_t>::Reader InstrumentChangeCommandReader;
144    
145                RTList< ::gig::DimensionRegion*>* pDimRegionsInUse;     ///< temporary pointer into the instrument change command, used by the audio thread
146    
147                SynchronizedConfig< ArrayList<VirtualMidiDevice*> > virtualMidiDevices;
148                SynchronizedConfig< ArrayList<VirtualMidiDevice*> >::Reader virtualMidiDevicesReader;
149    
150              void ResetControllers();              void ResetControllers();
151              void ClearEventLists();              void ClearEventLists();
# Line 128  namespace LinuxSampler { namespace gig { Line 157  namespace LinuxSampler { namespace gig {
157    
158          private:          private:
159              void ResetInternal();              void ResetInternal();
160                void RemoveAllFxSends();
161                instrument_change_command_t& ChangeInstrument(::gig::Instrument* pInstrument);
162      };      };
163    
164  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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