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 - 2012 Christian Schoenebeck and Grigor Iliev      *
 *   Copyright (C) 2012 - 2016 Christian Schoenebeck and Andreas Persson   *
 *                                                                         *
 *   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"

#if AC_APPLE_UNIVERSAL_BUILD
# include <libgig/SF.h>
#else
# include <SF.h>
#endif

namespace LinuxSampler { namespace sf2 {
    class Voice;

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

            virtual AbstractEngine::Format GetEngineFormat() OVERRIDE;

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

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

            virtual void ProcessKeySwitchChange(int key) OVERRIDE;

        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 - 2008 Christian Schoenebeck *
7	* Copyright (C) 2009 - 2012 Christian Schoenebeck and Grigor Iliev *
8	* Copyright (C) 2012 - 2016 Christian Schoenebeck and Andreas Persson *
9	* *
10	* This program is free software; you can redistribute it and/or modify *
11	* it under the terms of the GNU General Public License as published by *
12	* the Free Software Foundation; either version 2 of the License, or *
13	* (at your option) any later version. *
14	* *
15	* This program is distributed in the hope that it will be useful, *
16	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18	* GNU General Public License for more details. *
19	* *
20	* You should have received a copy of the GNU General Public License *
21	* along with this program; if not, write to the Free Software *
22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
23	* MA 02111-1307 USA *
24	***************************************************************************/
25
26	#ifndef __LS_SF2_ENGINECHANNEL_H__
27	#define __LS_SF2_ENGINECHANNEL_H__
28
29	#include "../AbstractEngine.h"
30	#include "../EngineChannelBase.h"
31	#include "../EngineChannelFactory.h"
32	#include "Voice.h"
33
34	#if AC_APPLE_UNIVERSAL_BUILD
35	# include <libgig/SF.h>
36	#else
37	# include <SF.h>
38	#endif
39
40	namespace LinuxSampler { namespace sf2 {
41	class Voice;
42
43	class EngineChannel: public LinuxSampler::EngineChannelBase<Voice, ::sf2::Region, ::sf2::Preset> {
44	public:
45	virtual void SendProgramChange(uint8_t Program) OVERRIDE;
46	virtual void LoadInstrument() OVERRIDE;
47	virtual void ResetInternal(bool bResetEngine) OVERRIDE;
48
49	virtual AbstractEngine::Format GetEngineFormat() OVERRIDE;
50
51	friend class Voice;
52	friend class Engine;
53	friend class LinuxSampler::EngineChannelFactory;
54
55	protected:
56	EngineChannel();
57	virtual ~EngineChannel();
58
59	virtual void ProcessKeySwitchChange(int key) OVERRIDE;
60
61	private:
62	bool PressedKeys[128];
63	int LastKeySwitch;
64	int LastKey;
65	};
66
67	}} // namespace LinuxSampler::sf2
68
69	#endif /* __LS_SF2_ENGINECHANNEL_H__ */