engines/sfz/EngineChannel.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck    *
 *   Copyright (C) 2005-2009 Christian Schoenebeck                         *
 *   Copyright (C) 2009 Grigor Iliev                                       *
 *                                                                         *
 *   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_SFZ_ENGINECHANNEL_H__
#define __LS_SFZ_ENGINECHANNEL_H__

#include "../AbstractEngine.h"
#include "../EngineChannelBase.h"
#include "../EngineChannelFactory.h"
#include "Voice.h"
#include "sfz.h"

namespace LinuxSampler { namespace sfz {
    class EngineChannel: public LinuxSampler::EngineChannelBase<Voice, ::sfz::Region, ::sfz::Instrument>, public MidiKeyboardAdapter {
        public:
            virtual void SendProgramChange(uint8_t Program);
            virtual void LoadInstrument();
            virtual void ResetInternal();

            virtual AbstractEngine::Format GetEngineFormat();

            // methods derived from MidiKeyboardListener
            virtual void PreProcessNoteOn(uint8_t key, uint8_t velocity);
            virtual void PostProcessNoteOn(uint8_t key, uint8_t velocity);
            virtual void PreProcessNoteOff(uint8_t key, uint8_t velocity);

            friend class Voice;
            friend class Engine;
            friend class LinuxSampler::EngineChannelFactory;

        protected:
            EngineChannel();
            virtual ~EngineChannel();

            virtual void ProcessKeySwitchChange(int key);

        private:
            bool PressedKeys[128];
            int LastKeySwitch;
            int LastKey;
    };

}} // namespace LinuxSampler::sfz

#endif  /* __LS_SFZ_ENGINECHANNEL_H__ */
1	iliev	2012	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck *
6			* Copyright (C) 2005-2009 Christian Schoenebeck *
7			* Copyright (C) 2009 Grigor Iliev *
8			* *
9			* 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 *
11			* the Free Software Foundation; either version 2 of the License, or *
12			* (at your option) any later version. *
13			* *
14			* This program is distributed in the hope that it will be useful, *
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
17			* GNU General Public License for more details. *
18			* *
19			* You should have received a copy of the GNU General Public License *
20			* along with this program; if not, write to the Free Software *
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
22			* MA 02111-1307 USA *
23			***************************************************************************/
24
25			#ifndef __LS_SFZ_ENGINECHANNEL_H__
26			#define __LS_SFZ_ENGINECHANNEL_H__
27
28			#include "../AbstractEngine.h"
29			#include "../EngineChannelBase.h"
30			#include "../EngineChannelFactory.h"
31			#include "Voice.h"
32			#include "sfz.h"
33
34			namespace LinuxSampler { namespace sfz {
35			class EngineChannel: public LinuxSampler::EngineChannelBase<Voice, ::sfz::Region, ::sfz::Instrument>, public MidiKeyboardAdapter {
36			public:
37			virtual void SendProgramChange(uint8_t Program);
38			virtual void LoadInstrument();
39			virtual void ResetInternal();
40
41			virtual AbstractEngine::Format GetEngineFormat();
42
43			// methods derived from MidiKeyboardListener
44			virtual void PreProcessNoteOn(uint8_t key, uint8_t velocity);
45	persson	2058	virtual void PostProcessNoteOn(uint8_t key, uint8_t velocity);
46	iliev	2012	virtual void PreProcessNoteOff(uint8_t key, uint8_t velocity);
47
48			friend class Voice;
49			friend class Engine;
50			friend class LinuxSampler::EngineChannelFactory;
51
52			protected:
53			EngineChannel();
54			virtual ~EngineChannel();
55
56			virtual void ProcessKeySwitchChange(int key);
57
58			private:
59			bool PressedKeys[128];
60			int LastKeySwitch;
61			int LastKey;
62			};
63
64			}} // namespace LinuxSampler::sfz
65
66			#endif /* __LS_SFZ_ENGINECHANNEL_H__ */