drivers/audio/AudioOutputDeviceFactory.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 - 2009 Christian Schoenebeck                       *
 *                                                                         *
 *   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_AUDIO_OUTPUT_DEVICE_FACTORY_H__
#define __LS_AUDIO_OUTPUT_DEVICE_FACTORY_H__

#include <map>
#include <vector>

#include "../../common/Exception.h"
#include "../DeviceParameterFactory.h"
#include "AudioOutputDevice.h"

#define REGISTER_AUDIO_OUTPUT_DRIVER(DriverClass)  static LinuxSampler::AudioOutputDeviceFactory::InnerFactoryRegistrator<DriverClass> __auto_register_audio_output_driver__##DriverClass
#define REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(DriverClass, ParameterClass) static LinuxSampler::AudioOutputDeviceFactory::ParameterRegistrator<DriverClass, DriverClass::ParameterClass> __auto_register_audio_output_driver_parameter__##DriverClass##ParameterClass

namespace LinuxSampler {

  class AudioOutputDeviceFactory {
      public:
          class InnerFactory {
              public:
                  virtual AudioOutputDevice* Create(std::map<String,DeviceCreationParameter*> Parameters)  = 0;
                  virtual String Description() = 0;
                  virtual String Version() = 0;
          };

          template <class Driver_T>
          class InnerFactoryTemplate : public InnerFactory {
              public:
                  virtual AudioOutputDevice* Create(std::map<String,DeviceCreationParameter*> Parameters)  { return new Driver_T(Parameters); }
                  virtual String Description() { return Driver_T::Description(); }
                  virtual String Version()     { return Driver_T::Version();     }
          };

          template <class Driver_T>
          class InnerFactoryRegistrator {
              public:
                  InnerFactoryRegistrator() {
                      AudioOutputDeviceFactory::InnerFactories[Driver_T::Name()] = new AudioOutputDeviceFactory::InnerFactoryTemplate<Driver_T>;
                      AudioOutputDeviceFactory::ParameterFactories[Driver_T::Name()] = new DeviceParameterFactory();
                  }
                  ~InnerFactoryRegistrator() {
                      AudioOutputDeviceFactory::Unregister(Driver_T::Name());
                  }
          };

          template <class Driver_T, class Parameter_T>
          class ParameterRegistrator {
              public:
                  ParameterRegistrator() {
                      DeviceParameterFactory::Register<Parameter_T>(AudioOutputDeviceFactory::ParameterFactories[Driver_T::Name()]);
                  }
          };

          static AudioOutputDevice*                        Create(String DriverName, std::map<String,String> Parameters) throw (Exception);
          static std::vector<String>                       AvailableDrivers();
          static String                                    AvailableDriversAsString();
          static std::map<String,DeviceCreationParameter*> GetAvailableDriverParameters(String DriverName) throw (Exception);
          static DeviceCreationParameter*                  GetDriverParameter(String DriverName, String ParameterName) throw (Exception);
          static String                                    GetDriverDescription(String DriverName) throw (Exception);
          static String                                    GetDriverVersion(String DriverName) throw (Exception);
          static void                                      Unregister(String DriverName);

//      protected: /* FIXME: fields below should be protected, causes errors on gcc 2.95 though */
          static std::map<String, InnerFactory*> InnerFactories;
          static std::map<String, DeviceParameterFactory*> ParameterFactories;
  };

} // namespace LinuxSampler

#endif // __LS_AUDIO_OUTPUT_DEVICE_FACTORY_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	* *
8	* This program is free software; you can redistribute it and/or modify *
9	* it under the terms of the GNU General Public License as published by *
10	* the Free Software Foundation; either version 2 of the License, or *
11	* (at your option) any later version. *
12	* *
13	* This program is distributed in the hope that it will be useful, *
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16	* GNU General Public License for more details. *
17	* *
18	* You should have received a copy of the GNU General Public License *
19	* along with this program; if not, write to the Free Software *
20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21	* MA 02111-1307 USA *
22	***************************************************************************/
23
24	#ifndef __LS_AUDIO_OUTPUT_DEVICE_FACTORY_H__
25	#define __LS_AUDIO_OUTPUT_DEVICE_FACTORY_H__
26
27	#include <map>
28	#include <vector>
29
30	#include "../../common/Exception.h"
31	#include "../DeviceParameterFactory.h"
32	#include "AudioOutputDevice.h"
33
34	#define REGISTER_AUDIO_OUTPUT_DRIVER(DriverClass) static LinuxSampler::AudioOutputDeviceFactory::InnerFactoryRegistrator<DriverClass> __auto_register_audio_output_driver__##DriverClass
35	#define REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(DriverClass, ParameterClass) static LinuxSampler::AudioOutputDeviceFactory::ParameterRegistrator<DriverClass, DriverClass::ParameterClass> __auto_register_audio_output_driver_parameter__##DriverClass##ParameterClass
36
37	namespace LinuxSampler {
38
39	class AudioOutputDeviceFactory {
40	public:
41	class InnerFactory {
42	public:
43	virtual AudioOutputDevice* Create(std::map<String,DeviceCreationParameter*> Parameters) = 0;
44	virtual String Description() = 0;
45	virtual String Version() = 0;
46	};
47
48	template <class Driver_T>
49	class InnerFactoryTemplate : public InnerFactory {
50	public:
51	virtual AudioOutputDevice* Create(std::map<String,DeviceCreationParameter*> Parameters) { return new Driver_T(Parameters); }
52	virtual String Description() { return Driver_T::Description(); }
53	virtual String Version() { return Driver_T::Version(); }
54	};
55
56	template <class Driver_T>
57	class InnerFactoryRegistrator {
58	public:
59	InnerFactoryRegistrator() {
60	AudioOutputDeviceFactory::InnerFactories[Driver_T::Name()] = new AudioOutputDeviceFactory::InnerFactoryTemplate<Driver_T>;
61	AudioOutputDeviceFactory::ParameterFactories[Driver_T::Name()] = new DeviceParameterFactory();
62	}
63	~InnerFactoryRegistrator() {
64	AudioOutputDeviceFactory::Unregister(Driver_T::Name());
65	}
66	};
67
68	template <class Driver_T, class Parameter_T>
69	class ParameterRegistrator {
70	public:
71	ParameterRegistrator() {
72	DeviceParameterFactory::Register<Parameter_T>(AudioOutputDeviceFactory::ParameterFactories[Driver_T::Name()]);
73	}
74	};
75
76	static AudioOutputDevice* Create(String DriverName, std::map<String,String> Parameters) throw (Exception);
77	static std::vector<String> AvailableDrivers();
78	static String AvailableDriversAsString();
79	static std::map<String,DeviceCreationParameter*> GetAvailableDriverParameters(String DriverName) throw (Exception);
80	static DeviceCreationParameter* GetDriverParameter(String DriverName, String ParameterName) throw (Exception);
81	static String GetDriverDescription(String DriverName) throw (Exception);
82	static String GetDriverVersion(String DriverName) throw (Exception);
83	static void Unregister(String DriverName);
84
85	// protected: /* FIXME: fields below should be protected, causes errors on gcc 2.95 though */
86	static std::map<String, InnerFactory*> InnerFactories;
87	static std::map<String, DeviceParameterFactory*> ParameterFactories;
88	};
89
90	} // namespace LinuxSampler
91
92	#endif // __LS_AUDIO_OUTPUT_DEVICE_FACTORY_H__