src/engines/EngineChannel.h

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#ifndef __LS_ENGINECHANNEL_H__
#define __LS_ENGINECHANNEL_H__

#include "../EventListeners.h"
#include "../drivers/audio/AudioOutputDevice.h"
#include "../drivers/midi/midi.h"
#include "../drivers/midi/MidiInputDevice.h"
#include "../drivers/midi/MidiInputPort.h"
#include "../drivers/midi/VirtualMidiDevice.h"
#include "Engine.h"
#include "FxSend.h"

namespace LinuxSampler {

    // just symbol prototyping
    class AudioOutputDevice;
    class MidiInputPort;
    class FxSend;


    /** @brief Channel Interface for LinuxSampler Sampler Engines
     *
     * Every sampler engine can be used on several sampler channels and
     * usually the same Engine instance is used on multiple sampler
     * channels. For this every sampler engine must also implement a class
     * which handles all channel dependant parameters and channel
     * dependant execution code.
     *
     * This abstract base interface class defines all mandatory methods
     * which have to be implemented by all engine channel implementations.
     */
    class EngineChannel {
        public:

            /////////////////////////////////////////////////////////////////
            // abstract methods
            //     (these have to be implemented by the descendant)

            virtual void    PrepareLoadInstrument(const char* FileName, uint Instrument) = 0;
            virtual void    LoadInstrument() = 0;
            virtual void    Reset() = 0;
            virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity) = 0;
            virtual void    SendNoteOn(uint8_t Key, uint8_t Velocity, int32_t FragmentPos) = 0;
            virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity) = 0;
            virtual void    SendNoteOff(uint8_t Key, uint8_t Velocity, int32_t FragmentPos) = 0;
            virtual void    SendPitchbend(int Pitch) = 0;
            virtual void    SendPitchbend(int Pitch, int32_t FragmentPos) = 0;
            virtual void    SendControlChange(uint8_t Controller, uint8_t Value) = 0;
            virtual void    SendControlChange(uint8_t Controller, uint8_t Value, int32_t FragmentPos) = 0;
            virtual bool    StatusChanged(bool bNewStatus = false) = 0;
            virtual float   Volume() = 0;
            virtual void    Volume(float f) = 0;
            virtual float   Pan() = 0;
            virtual void    Pan(float f) = 0;
            virtual uint    Channels() = 0;
            virtual void    Connect(AudioOutputDevice* pAudioOut) = 0;
            virtual void    DisconnectAudioOutputDevice() = 0;
            virtual AudioOutputDevice* GetAudioOutputDevice() = 0;
            virtual void    SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) = 0;
            virtual int     OutputChannel(uint EngineAudioChannel) = 0;
            virtual void    Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel) = 0;
            virtual void    DisconnectMidiInputPort() = 0;
            virtual MidiInputPort* GetMidiInputPort() = 0;
            virtual midi_chan_t MidiChannel() = 0;
            virtual String  InstrumentFileName() = 0;
            virtual String  InstrumentName() = 0;
            virtual int     InstrumentIndex() = 0;
            virtual int     InstrumentStatus() = 0;
            virtual Engine* GetEngine() = 0;
            virtual String  EngineName() = 0;
            virtual FxSend* AddFxSend(uint8_t MidiCtrl, String Name = "") throw (Exception) = 0;
            virtual FxSend* GetFxSend(uint FxSendIndex) = 0;
            virtual uint    GetFxSendCount() = 0;
            virtual void    RemoveFxSend(FxSend* pFxSend) = 0;
            virtual void    Connect(VirtualMidiDevice* pDevice) = 0;
            virtual void    Disconnect(VirtualMidiDevice* pDevice) = 0;


            /////////////////////////////////////////////////////////////////
            // normal methods
            //     (usually not to be overridden by descendant)

            /**
             * Sets the mute state of this channel.
             *
             * @param state - specifies the mute state of this sampler channel.
             * @throws Exception - if state does not contain valid
             * value.
             */
            void SetMute(int state) throw (Exception);

            /**
             * Determines whether this channel is muted.
             *
             * @returns 1 if the channel is muted, 0 if the channel is not muted
             * and -1 if the channel is muted because of presence of at least
             * one solo channel.
             */
            int GetMute();

            /**
             * Sets the solo state of this channel.
             *
             * @param solo - specifies whether this is a solo channel.
             */
            void SetSolo(bool solo);

            /**
             * Determines whether this is a solo channel.
             *
             * @returns true if this is a solo channel, false otherwise.
             */
            bool GetSolo();

            /**
             * Returns current MIDI program (change) number of this
             * EngineChannel.
             */
            uint8_t GetMidiProgram();

            /**
             * Change EngineChannel's MIDI program.
             */
            void SetMidiProgram(uint8_t Program);

            /**
             * Returns current MIDI bank MSB (coarse) number of this
             * EngineChannel.
             */
            uint8_t GetMidiBankMsb();

            /**
             * Change current MIDI bank MSB (coarse) number of this
             * EngineChannel.
             */
            void SetMidiBankMsb(uint8_t BankMSB);

            /**
             * Returns current MIDI bank LSB (fine) number of this
             * EngineChannel.
             */
            uint8_t GetMidiBankLsb();

            /**
             * Change current MIDI bank LSB (fine) number of this
             * EngineChannel.
             */
            void SetMidiBankLsb(uint8_t BankLSB);

            /**
             * Returns true if this EngineChannel is using no MIDI
             * instrument map at all, that is if it will ignore all MIDI
             * program change messages.
             *
             * @see UsesDefaultMidiInstrumentMap()
             * @see GetMidiInstrumentMap()
             */
            bool UsesNoMidiInstrumentMap();

            /**
             * Returns true if this EngineChannel is using the default MIDI
             * instrument map for handling MIDI program changes.
             *
             * @see UsesNoMidiInstrumentMap()
             * @see GetMidiInstrumentMap()
             */
            bool UsesDefaultMidiInstrumentMap();

            /**
             * Returns ID of the MIDI instrument map currently used by this
             * EngineChannel to handle MIDI program changes. You should
             * always call @c UsesNoMidiInstrumentMap() and
             * @c UsesDefaultMidiInstrumentMap() before calling this method
             * to check if this EngineChannel is probably using the default
             * map or no map at all, because in these two particular cases
             * this method would throw an exception!
             *
             * @throws Exception - if EngineChannel is set to no map at all
             *                     or is set to the default map
             * @see UsesNoMidiInstrumentMap()
             * @see UsesDefaultMidiInstrumentMap()
             */
            int GetMidiInstrumentMap() throw (Exception);

            /**
             * Let this EngineChannel use no MIDI instrument map at all,
             * that is to let it ignore all MIDI program change messages.
             *
             * @see SetMidiInstrumentMapToDefault()
             * @see SetMidiInstrumentMap()
             */
            void SetMidiInstrumentMapToNone();

            /**
             * Let this EngineChannel use the default MIDI instrument map to
             * handle MIDI program changes.
             *
             * @see SetMidiInstrumentMapToNone()
             * @see SetMidiInstrumentMap()
             */
            void SetMidiInstrumentMapToDefault();

            /**
             * Set a specific MIDI instrument map this EngineChannel should
             * use to handle MIDI program changes.
             *
             * @see SetMidiInstrumentMapToNone()
             * @see SetMidiInstrumentMapToDefault()
             *
             * @throws Exception - in case given map does not exist
             */
            void SetMidiInstrumentMap(int MidiMap) throw (Exception);

            /**
             * Set MIDI Registered Parameter Number (RPN) Controller
             * (upper 8 bits / coarse).
             */
            void SetMidiRpnControllerMsb(uint8_t CtrlMSB);

            /**
             * Set MIDI Registered Parameter Number (RPN) Controller
             * (lower 8 bits / fine).
             */
            void SetMidiRpnControllerLsb(uint8_t CtrlLSB);

            /**
             * Reset to no RPN controller currently selected.
             */
            void ResetMidiRpnController();
            
             /**
             * Registers the specified listener to be notified when the number
             * of effect sends on this channel is changed.
             */
            void AddFxSendCountListener(FxSendCountListener* l);

            /**
             * Removes the specified listener.
             */
            void RemoveFxSendCountListener(FxSendCountListener* l);

            /**
             * Removes all listeners.
             */
            void RemoveAllFxSendCountListeners();

            /**
             * Get currently selected MIDI Registered Parameter Number
             * (RPN) Controller, this method will return the already merged
             * value (MSB and LSB value).
             *
             * @e WARNING: you have to call @c ResetMidiRpnController()
             * after using this value, otherwise all subsequent MIDI CC #6
             * (Data) messages are interpreted as RPN controller value
             * messages.
             *
             * @returns currently selected RPN controller number, a negative
             *          value if no RPN controller currently selected
             */
            int GetMidiRpnController();

            /**
             * Gets the current number of active voices.
             */
            uint GetVoiceCount();

            /**
             * Sets the current number of active voices.
             */
            void SetVoiceCount(uint Voices);

            /**
             * Gets the current number of active disk streams.
             */
            uint GetDiskStreamCount();

            /**
             * Sets the current number of active disk streams.
             */
            void SetDiskStreamCount(uint Streams);

            int iSamplerChannelIndex; ///< FIXME: nasty hack, might be removed (should be 'virtual EngineChannel* EngineChannel() = 0;', but due to cyclic dependencies only a void* solution would be possible ATM)

        protected:
            EngineChannel();
            virtual ~EngineChannel() {}; // MUST only be destroyed by EngineChannelFactory

            /**
             * Notifies listeners that the number of effect sends
             * on a this channel is changed.
             * @param ChannelId The numerical ID of the sampler channel.
             * @param NewCount The new number of sampler channels.
             */
            void fireFxSendCountChanged(int ChannelId, int NewCount);

            friend class EngineChannelFactory;

        private:
            int     iMute;
            bool    bSolo;
            uint8_t uiMidiProgram;
            uint8_t uiMidiBankMsb;
            uint8_t uiMidiBankLsb;
            uint8_t uiMidiRpnMsb; ///< MIDI Registered Parameter Number (upper 8 bits / coarse)
            uint8_t uiMidiRpnLsb; ///< MIDI Registered Parameter Number (lower 8 bits / fine)
            bool    bMidiBankMsbReceived;
            bool    bMidiBankLsbReceived;
            bool    bProgramChangeReceived;
            bool    bMidiRpnReceived;
            int     iMidiInstrumentMap;
            uint    uiVoiceCount;
            uint    uiDiskStreamCount;
            ListenerList<FxSendCountListener*> llFxSendCountListeners;
    };

} // namespace LinuxSampler

#endif // __LS_ENGINECHANNEL_H__
1	schoenebeck	889	/***************************************************************************
2			* *
3	schoenebeck	1686	* Copyright (C) 2005 - 2008 Christian Schoenebeck *
4	schoenebeck	889	* *
5			* This program is free software; you can redistribute it and/or modify *
6			* it under the terms of the GNU General Public License as published by *
7			* the Free Software Foundation; either version 2 of the License, or *
8			* (at your option) any later version. *
9			* *
10			* This program is distributed in the hope that it will be useful, *
11			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
12			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13			* GNU General Public License for more details. *
14			* *
15			* You should have received a copy of the GNU General Public License *
16			* along with this program; if not, write to the Free Software *
17			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
18			* MA 02111-1307 USA *
19			***************************************************************************/
20
21			#ifndef __LS_ENGINECHANNEL_H__
22			#define __LS_ENGINECHANNEL_H__
23
24	iliev	1130	#include "../EventListeners.h"
25	schoenebeck	889	#include "../drivers/audio/AudioOutputDevice.h"
26			#include "../drivers/midi/midi.h"
27			#include "../drivers/midi/MidiInputDevice.h"
28			#include "../drivers/midi/MidiInputPort.h"
29	schoenebeck	1686	#include "../drivers/midi/VirtualMidiDevice.h"
30	schoenebeck	889	#include "Engine.h"
31	schoenebeck	1001	#include "FxSend.h"
32	schoenebeck	889
33			namespace LinuxSampler {
34
35			// just symbol prototyping
36			class AudioOutputDevice;
37			class MidiInputPort;
38	schoenebeck	1001	class FxSend;
39	schoenebeck	889
40	schoenebeck	1001
41	schoenebeck	889	/** @brief Channel Interface for LinuxSampler Sampler Engines
42			*
43			* Every sampler engine can be used on several sampler channels and
44			* usually the same Engine instance is used on multiple sampler
45			* channels. For this every sampler engine must also implement a class
46			* which handles all channel dependant parameters and channel
47			* dependant execution code.
48			*
49			* This abstract base interface class defines all mandatory methods
50			* which have to be implemented by all engine channel implementations.
51			*/
52			class EngineChannel {
53			public:
54
55			/////////////////////////////////////////////////////////////////
56			// abstract methods
57			// (these have to be implemented by the descendant)
58
59			virtual void PrepareLoadInstrument(const char* FileName, uint Instrument) = 0;
60			virtual void LoadInstrument() = 0;
61			virtual void Reset() = 0;
62			virtual void SendNoteOn(uint8_t Key, uint8_t Velocity) = 0;
63	schoenebeck	906	virtual void SendNoteOn(uint8_t Key, uint8_t Velocity, int32_t FragmentPos) = 0;
64	schoenebeck	889	virtual void SendNoteOff(uint8_t Key, uint8_t Velocity) = 0;
65	schoenebeck	906	virtual void SendNoteOff(uint8_t Key, uint8_t Velocity, int32_t FragmentPos) = 0;
66	schoenebeck	889	virtual void SendPitchbend(int Pitch) = 0;
67	schoenebeck	906	virtual void SendPitchbend(int Pitch, int32_t FragmentPos) = 0;
68	schoenebeck	889	virtual void SendControlChange(uint8_t Controller, uint8_t Value) = 0;
69	schoenebeck	906	virtual void SendControlChange(uint8_t Controller, uint8_t Value, int32_t FragmentPos) = 0;
70	schoenebeck	889	virtual bool StatusChanged(bool bNewStatus = false) = 0;
71			virtual float Volume() = 0;
72			virtual void Volume(float f) = 0;
73	schoenebeck	1723	virtual float Pan() = 0;
74			virtual void Pan(float f) = 0;
75	schoenebeck	889	virtual uint Channels() = 0;
76			virtual void Connect(AudioOutputDevice* pAudioOut) = 0;
77			virtual void DisconnectAudioOutputDevice() = 0;
78	schoenebeck	1001	virtual AudioOutputDevice* GetAudioOutputDevice() = 0;
79	schoenebeck	889	virtual void SetOutputChannel(uint EngineAudioChannel, uint AudioDeviceChannel) = 0;
80			virtual int OutputChannel(uint EngineAudioChannel) = 0;
81			virtual void Connect(MidiInputPort* pMidiPort, midi_chan_t MidiChannel) = 0;
82			virtual void DisconnectMidiInputPort() = 0;
83			virtual MidiInputPort* GetMidiInputPort() = 0;
84			virtual midi_chan_t MidiChannel() = 0;
85			virtual String InstrumentFileName() = 0;
86			virtual String InstrumentName() = 0;
87			virtual int InstrumentIndex() = 0;
88			virtual int InstrumentStatus() = 0;
89			virtual Engine* GetEngine() = 0;
90			virtual String EngineName() = 0;
91	schoenebeck	1001	virtual FxSend* AddFxSend(uint8_t MidiCtrl, String Name = "") throw (Exception) = 0;
92			virtual FxSend* GetFxSend(uint FxSendIndex) = 0;
93			virtual uint GetFxSendCount() = 0;
94			virtual void RemoveFxSend(FxSend* pFxSend) = 0;
95	schoenebeck	1686	virtual void Connect(VirtualMidiDevice* pDevice) = 0;
96			virtual void Disconnect(VirtualMidiDevice* pDevice) = 0;
97	schoenebeck	889
98	schoenebeck	1001
99			/////////////////////////////////////////////////////////////////
100			// normal methods
101			// (usually not to be overridden by descendant)
102
103	schoenebeck	889	/**
104			* Sets the mute state of this channel.
105			*
106			* @param state - specifies the mute state of this sampler channel.
107			* @throws Exception - if state does not contain valid
108			* value.
109			*/
110			void SetMute(int state) throw (Exception);
111
112			/**
113			* Determines whether this channel is muted.
114			*
115			* @returns 1 if the channel is muted, 0 if the channel is not muted
116			* and -1 if the channel is muted because of presence of at least
117			* one solo channel.
118			*/
119			int GetMute();
120
121			/**
122			* Sets the solo state of this channel.
123			*
124			* @param solo - specifies whether this is a solo channel.
125			*/
126			void SetSolo(bool solo);
127
128			/**
129			* Determines whether this is a solo channel.
130			*
131			* @returns true if this is a solo channel, false otherwise.
132			*/
133			bool GetSolo();
134
135	schoenebeck	947	/**
136			* Returns current MIDI program (change) number of this
137			* EngineChannel.
138			*/
139			uint8_t GetMidiProgram();
140
141			/**
142			* Change EngineChannel's MIDI program.
143			*/
144			void SetMidiProgram(uint8_t Program);
145
146			/**
147			* Returns current MIDI bank MSB (coarse) number of this
148			* EngineChannel.
149			*/
150			uint8_t GetMidiBankMsb();
151
152			/**
153			* Change current MIDI bank MSB (coarse) number of this
154			* EngineChannel.
155			*/
156			void SetMidiBankMsb(uint8_t BankMSB);
157
158			/**
159			* Returns current MIDI bank LSB (fine) number of this
160			* EngineChannel.
161			*/
162			uint8_t GetMidiBankLsb();
163
164			/**
165			* Change current MIDI bank LSB (fine) number of this
166			* EngineChannel.
167			*/
168			void SetMidiBankLsb(uint8_t BankLSB);
169
170	schoenebeck	973	/**
171			* Returns true if this EngineChannel is using no MIDI
172			* instrument map at all, that is if it will ignore all MIDI
173			* program change messages.
174			*
175			* @see UsesDefaultMidiInstrumentMap()
176			* @see GetMidiInstrumentMap()
177			*/
178			bool UsesNoMidiInstrumentMap();
179
180			/**
181			* Returns true if this EngineChannel is using the default MIDI
182			* instrument map for handling MIDI program changes.
183			*
184			* @see UsesNoMidiInstrumentMap()
185			* @see GetMidiInstrumentMap()
186			*/
187			bool UsesDefaultMidiInstrumentMap();
188
189			/**
190			* Returns ID of the MIDI instrument map currently used by this
191			* EngineChannel to handle MIDI program changes. You should
192			* always call @c UsesNoMidiInstrumentMap() and
193			* @c UsesDefaultMidiInstrumentMap() before calling this method
194			* to check if this EngineChannel is probably using the default
195			* map or no map at all, because in these two particular cases
196			* this method would throw an exception!
197			*
198			* @throws Exception - if EngineChannel is set to no map at all
199			* or is set to the default map
200			* @see UsesNoMidiInstrumentMap()
201			* @see UsesDefaultMidiInstrumentMap()
202			*/
203			int GetMidiInstrumentMap() throw (Exception);
204
205			/**
206			* Let this EngineChannel use no MIDI instrument map at all,
207			* that is to let it ignore all MIDI program change messages.
208			*
209			* @see SetMidiInstrumentMapToDefault()
210			* @see SetMidiInstrumentMap()
211			*/
212			void SetMidiInstrumentMapToNone();
213
214			/**
215			* Let this EngineChannel use the default MIDI instrument map to
216			* handle MIDI program changes.
217			*
218			* @see SetMidiInstrumentMapToNone()
219			* @see SetMidiInstrumentMap()
220			*/
221			void SetMidiInstrumentMapToDefault();
222
223			/**
224			* Set a specific MIDI instrument map this EngineChannel should
225			* use to handle MIDI program changes.
226			*
227			* @see SetMidiInstrumentMapToNone()
228			* @see SetMidiInstrumentMapToDefault()
229			*
230			* @throws Exception - in case given map does not exist
231			*/
232			void SetMidiInstrumentMap(int MidiMap) throw (Exception);
233
234	schoenebeck	1041	/**
235			* Set MIDI Registered Parameter Number (RPN) Controller
236			* (upper 8 bits / coarse).
237			*/
238			void SetMidiRpnControllerMsb(uint8_t CtrlMSB);
239
240			/**
241			* Set MIDI Registered Parameter Number (RPN) Controller
242			* (lower 8 bits / fine).
243			*/
244			void SetMidiRpnControllerLsb(uint8_t CtrlLSB);
245
246			/**
247	schoenebeck	1044	* Reset to no RPN controller currently selected.
248			*/
249			void ResetMidiRpnController();
250	iliev	1130
251			/**
252			* Registers the specified listener to be notified when the number
253			* of effect sends on this channel is changed.
254			*/
255			void AddFxSendCountListener(FxSendCountListener* l);
256	schoenebeck	1044
257			/**
258	iliev	1130	* Removes the specified listener.
259			*/
260			void RemoveFxSendCountListener(FxSendCountListener* l);
261
262			/**
263			* Removes all listeners.
264			*/
265			void RemoveAllFxSendCountListeners();
266
267			/**
268	schoenebeck	1041	* Get currently selected MIDI Registered Parameter Number
269			* (RPN) Controller, this method will return the already merged
270			* value (MSB and LSB value).
271	schoenebeck	1044	*
272			* @e WARNING: you have to call @c ResetMidiRpnController()
273			* after using this value, otherwise all subsequent MIDI CC #6
274			* (Data) messages are interpreted as RPN controller value
275			* messages.
276			*
277			* @returns currently selected RPN controller number, a negative
278			* value if no RPN controller currently selected
279	schoenebeck	1041	*/
280			int GetMidiRpnController();
281
282	iliev	1297	/**
283			* Gets the current number of active voices.
284			*/
285			uint GetVoiceCount();
286
287			/**
288			* Sets the current number of active voices.
289			*/
290			void SetVoiceCount(uint Voices);
291
292			/**
293			* Gets the current number of active disk streams.
294			*/
295			uint GetDiskStreamCount();
296
297			/**
298			* Sets the current number of active disk streams.
299			*/
300			void SetDiskStreamCount(uint Streams);
301
302	schoenebeck	889	int iSamplerChannelIndex; ///< FIXME: nasty hack, might be removed (should be 'virtual EngineChannel* EngineChannel() = 0;', but due to cyclic dependencies only a void* solution would be possible ATM)
303
304			protected:
305	schoenebeck	906	EngineChannel();
306	schoenebeck	889	virtual ~EngineChannel() {}; // MUST only be destroyed by EngineChannelFactory
307	iliev	1130
308			/**
309			* Notifies listeners that the number of effect sends
310			* on a this channel is changed.
311			* @param ChannelId The numerical ID of the sampler channel.
312			* @param NewCount The new number of sampler channels.
313			*/
314			void fireFxSendCountChanged(int ChannelId, int NewCount);
315
316	schoenebeck	889	friend class EngineChannelFactory;
317
318			private:
319	schoenebeck	947	int iMute;
320			bool bSolo;
321			uint8_t uiMidiProgram;
322			uint8_t uiMidiBankMsb;
323			uint8_t uiMidiBankLsb;
324	schoenebeck	1041	uint8_t uiMidiRpnMsb; ///< MIDI Registered Parameter Number (upper 8 bits / coarse)
325			uint8_t uiMidiRpnLsb; ///< MIDI Registered Parameter Number (lower 8 bits / fine)
326	schoenebeck	973	bool bMidiBankMsbReceived;
327			bool bMidiBankLsbReceived;
328			bool bProgramChangeReceived;
329	schoenebeck	1044	bool bMidiRpnReceived;
330	schoenebeck	973	int iMidiInstrumentMap;
331	iliev	1297	uint uiVoiceCount;
332			uint uiDiskStreamCount;
333	iliev	1130	ListenerList<FxSendCountListener*> llFxSendCountListeners;
334	schoenebeck	889	};
335
336			} // namespace LinuxSampler
337
338			#endif // __LS_ENGINECHANNEL_H__