src/drivers/Plugin.h

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2008 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., 51 Franklin St, Fifth Floor, Boston,                *
 *   MA  02110-1301  USA                                                   *
 ***************************************************************************/

#ifndef LS_PLUGIN_H
#define LS_PLUGIN_H

#include "../Sampler.h"
#include "../common/Thread.h"
#include "../network/lscpserver.h"
#include "audio/AudioOutputDevicePlugin.h"
#include "midi/MidiInputDevicePlugin.h"

namespace LinuxSampler {

    class EventThread;

    class PluginGlobal {
    public:
        PluginGlobal();
        virtual ~PluginGlobal();

        Sampler* pSampler;
        int RefCount;
        LSCPServer* pLSCPServer;
    private:
        EventThread* pEventThread;
    };

    class EventThread : public Thread {
    public:
        EventThread(Sampler* pSampler);
        int Main();
    private:
        Sampler* pSampler;
    };


    /** @brief Base class for LinuxSampler plugin implementations
     *
     * When LinuxSampler is run as a plugin in a sequencer, the
     * classes that implement the different type of plugin interfaces
     * (VST, DSSI, LV2, etc) can inherit from this class.
     *
     * The plugin gets access to audio and midi devices that it can
     * use to let the engine render the audio. Methods to get and set
     * the state of the sampler is also provided.
     */
    class Plugin {
    protected:
        Plugin(bool bDoPreInit = true);
        virtual ~Plugin();
        void PreInit();
        void Init(int SampleRate, int FragmentSize, int Channels = -1);

        void InitState();
        String GetState();
        bool SetState(String State);
        void RemoveChannels();
        void DestroyDevice(AudioOutputDevicePlugin* pDevice);
        void DestroyDevice(MidiInputDevicePlugin* pDevice);

        AudioOutputDevicePlugin* pAudioDevice;
        MidiInputDevicePlugin* pMidiDevice;
        static PluginGlobal* global;

    private:
        bool bPreInitDone;
    };
}

#endif
1	persson	1777	/***************************************************************************
2			* *
3			* Copyright (C) 2008 Andreas Persson *
4			* *
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., 51 Franklin St, Fifth Floor, Boston, *
18			* MA 02110-1301 USA *
19			***************************************************************************/
20
21			#ifndef LS_PLUGIN_H
22			#define LS_PLUGIN_H
23
24			#include "../Sampler.h"
25			#include "../common/Thread.h"
26			#include "../network/lscpserver.h"
27			#include "audio/AudioOutputDevicePlugin.h"
28			#include "midi/MidiInputDevicePlugin.h"
29
30			namespace LinuxSampler {
31
32			class EventThread;
33
34			class PluginGlobal {
35			public:
36			PluginGlobal();
37			virtual ~PluginGlobal();
38
39			Sampler* pSampler;
40			int RefCount;
41	persson	1922	LSCPServer* pLSCPServer;
42	persson	1777	private:
43			EventThread* pEventThread;
44			};
45
46			class EventThread : public Thread {
47			public:
48			EventThread(Sampler* pSampler);
49			int Main();
50			private:
51			Sampler* pSampler;
52			};
53
54
55			/** @brief Base class for LinuxSampler plugin implementations
56			*
57			* When LinuxSampler is run as a plugin in a sequencer, the
58			* classes that implement the different type of plugin interfaces
59			* (VST, DSSI, LV2, etc) can inherit from this class.
60			*
61			* The plugin gets access to audio and midi devices that it can
62			* use to let the engine render the audio. Methods to get and set
63			* the state of the sampler is also provided.
64			*/
65			class Plugin {
66			protected:
67	iliev	1835	Plugin(bool bDoPreInit = true);
68			virtual ~Plugin();
69			void PreInit();
70			void Init(int SampleRate, int FragmentSize, int Channels = -1);
71	persson	1777
72			void InitState();
73			String GetState();
74			bool SetState(String State);
75	iliev	1835	void RemoveChannels();
76	iliev	1992	void DestroyDevice(AudioOutputDevicePlugin* pDevice);
77			void DestroyDevice(MidiInputDevicePlugin* pDevice);
78	persson	1777
79			AudioOutputDevicePlugin* pAudioDevice;
80			MidiInputDevicePlugin* pMidiDevice;
81			static PluginGlobal* global;
82	iliev	1835
83	persson	1777	private:
84	iliev	1835	bool bPreInitDone;
85	persson	1777	};
86			}
87
88			#endif