hostplugins/lv2/PluginLv2.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_PLUGINLV2_H
#define LS_PLUGINLV2_H

#include <lv2.h>
#include "lv2_event.h"
#include "lv2-saverestore.h"
#include "../../drivers/Plugin.h"

namespace {

    class PluginLv2 : public LinuxSampler::Plugin {
    public:
        PluginLv2(const LV2_Descriptor* Descriptor,
                  double SampleRate, const char* BundlePath,
                  const LV2_Feature* const* Features);
        void ConnectPort(uint32_t Port, void* DataLocation);
        void Activate();
        void Run(uint32_t SampleCount);
        void Deactivate();
        char* Save(const char* Directory, LV2SR_File*** Files);
        char* Restore(const LV2SR_File** Files);

    private:
        float* Out[2];
        LV2_Event_Buffer* MidiBuf;
    };

    class PluginInfo {
    public:
        static const LV2_Descriptor* Lv2Descriptor() {
            return &Instance.Lv2;
        }
        static const LV2SR_Descriptor* Lv2srDescriptor() {
            return &Instance.Lv2sr;
        }
    private:
        LV2_Descriptor Lv2;
        LV2SR_Descriptor Lv2sr;

        PluginInfo();
        static PluginInfo Instance;
    };

    extern "C" {
        static LV2_Handle instantiate(const LV2_Descriptor* descriptor,
                                      double sample_rate, const char* bundle_path,
                                      const LV2_Feature* const* features);
        static void connect_port(LV2_Handle instance, uint32_t port,
                                 void* data_location);
        static void activate(LV2_Handle instance);
        static void run(LV2_Handle instance, uint32_t sample_count);
        static void deactivate(LV2_Handle instance);
        static void cleanup(LV2_Handle instance);
        static const void* extension_data(const char* uri);

        static char* save(LV2_Handle handle, const char* directory,
                          LV2SR_File*** files);
        static char* restore(LV2_Handle handle, const LV2SR_File** files);
    }
}

#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_PLUGINLV2_H
22			#define LS_PLUGINLV2_H
23
24			#include <lv2.h>
25			#include "lv2_event.h"
26			#include "lv2-saverestore.h"
27			#include "../../drivers/Plugin.h"
28
29			namespace {
30
31			class PluginLv2 : public LinuxSampler::Plugin {
32			public:
33			PluginLv2(const LV2_Descriptor* Descriptor,
34			double SampleRate, const char* BundlePath,
35			const LV2_Feature* const* Features);
36			void ConnectPort(uint32_t Port, void* DataLocation);
37			void Activate();
38			void Run(uint32_t SampleCount);
39			void Deactivate();
40			char* Save(const char* Directory, LV2SR_File*** Files);
41			char* Restore(const LV2SR_File** Files);
42
43			private:
44			float* Out[2];
45			LV2_Event_Buffer* MidiBuf;
46			};
47
48			class PluginInfo {
49			public:
50			static const LV2_Descriptor* Lv2Descriptor() {
51			return &Instance.Lv2;
52			}
53			static const LV2SR_Descriptor* Lv2srDescriptor() {
54			return &Instance.Lv2sr;
55			}
56			private:
57			LV2_Descriptor Lv2;
58			LV2SR_Descriptor Lv2sr;
59
60			PluginInfo();
61			static PluginInfo Instance;
62			};
63
64			extern "C" {
65			static LV2_Handle instantiate(const LV2_Descriptor* descriptor,
66			double sample_rate, const char* bundle_path,
67			const LV2_Feature* const* features);
68			static void connect_port(LV2_Handle instance, uint32_t port,
69			void* data_location);
70			static void activate(LV2_Handle instance);
71			static void run(LV2_Handle instance, uint32_t sample_count);
72			static void deactivate(LV2_Handle instance);
73			static void cleanup(LV2_Handle instance);
74			static const void* extension_data(const char* uri);
75
76			static char* save(LV2_Handle handle, const char* directory,
77			LV2SR_File*** files);
78			static char* restore(LV2_Handle handle, const LV2SR_File** files);
79			}
80			}
81
82			#endif