engines/sf2/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_SF2_ENGINECHANNEL_H__
#define __LS_SF2_ENGINECHANNEL_H__

#include "../AbstractEngine.h"
#include "../EngineChannelBase.h"
#include "../EngineChannelFactory.h"
#include "Voice.h"
#include <SF.h>

namespace LinuxSampler { namespace sf2 {
    class EngineChannel: public LinuxSampler::EngineChannelBase<Voice, ::sf2::Region, ::sf2::Preset> {
        public:
            virtual void SendProgramChange(uint8_t Program);
            virtual void LoadInstrument();
            virtual void ResetInternal();

            virtual AbstractEngine::Format GetEngineFormat();

            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::sf2

#endif  /* __LS_SF2_ENGINECHANNEL_H__ */
1	/***************************************************************************
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_SF2_ENGINECHANNEL_H__
26	#define __LS_SF2_ENGINECHANNEL_H__
27
28	#include "../AbstractEngine.h"
29	#include "../EngineChannelBase.h"
30	#include "../EngineChannelFactory.h"
31	#include "Voice.h"
32	#include <SF.h>
33
34	namespace LinuxSampler { namespace sf2 {
35	class EngineChannel: public LinuxSampler::EngineChannelBase<Voice, ::sf2::Region, ::sf2::Preset> {
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	friend class Voice;
44	friend class Engine;
45	friend class LinuxSampler::EngineChannelFactory;
46
47	protected:
48	EngineChannel();
49	virtual ~EngineChannel();
50
51	virtual void ProcessKeySwitchChange(int key);
52
53	private:
54	bool PressedKeys[128];
55	int LastKeySwitch;
56	int LastKey;
57	};
58
59	}} // namespace LinuxSampler::sf2
60
61	#endif /* __LS_SF2_ENGINECHANNEL_H__ */