engines/sf2/EngineChannel.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
 *   Copyright (C) 2009 - 2013 Christian Schoenebeck and 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 Voice;

    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	iliev	2012	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	persson	2390	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6			* Copyright (C) 2005 - 2008 Christian Schoenebeck *
7			* Copyright (C) 2009 - 2013 Christian Schoenebeck and Grigor Iliev *
8	iliev	2012	* *
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	iliev	2018	#include <SF.h>
33	iliev	2012
34			namespace LinuxSampler { namespace sf2 {
35	persson	2390	class Voice;
36
37	iliev	2027	class EngineChannel: public LinuxSampler::EngineChannelBase<Voice, ::sf2::Region, ::sf2::Preset> {
38	iliev	2012	public:
39			virtual void SendProgramChange(uint8_t Program);
40			virtual void LoadInstrument();
41			virtual void ResetInternal();
42
43			virtual AbstractEngine::Format GetEngineFormat();
44
45			friend class Voice;
46			friend class Engine;
47			friend class LinuxSampler::EngineChannelFactory;
48
49			protected:
50			EngineChannel();
51			virtual ~EngineChannel();
52
53			virtual void ProcessKeySwitchChange(int key);
54
55			private:
56			bool PressedKeys[128];
57			int LastKeySwitch;
58			int LastKey;
59			};
60
61			}} // namespace LinuxSampler::sf2
62
63			#endif /* __LS_SF2_ENGINECHANNEL_H__ */