/[svn]/linuxsampler/trunk/src/drivers/audio/AudioOutputDeviceFactory.h
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Contents of /linuxsampler/trunk/src/drivers/audio/AudioOutputDeviceFactory.h

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Revision 1248 - (show annotations) (download) (as text)
Fri Jun 22 10:10:06 2007 UTC (12 years, 11 months ago) by persson
File MIME type: text/x-c++hdr
File size: 5816 byte(s)
* fixed some minor memory leaks

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * Copyright (C) 2005, 2006 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 std::map<String, InnerFactory*>::iterator iter = AudioOutputDeviceFactory::InnerFactories.find(Driver_T::Name());
65 delete iter->second;
66 AudioOutputDeviceFactory::InnerFactories.erase(iter);
67
68 std::map<String, DeviceParameterFactory*>::iterator iterpf = AudioOutputDeviceFactory::ParameterFactories.find(Driver_T::Name());
69 delete iterpf->second;
70 AudioOutputDeviceFactory::ParameterFactories.erase(iterpf);
71 }
72 };
73
74 template <class Driver_T, class Parameter_T>
75 class ParameterRegistrator {
76 public:
77 ParameterRegistrator() {
78 DeviceParameterFactory::Register<Parameter_T>(AudioOutputDeviceFactory::ParameterFactories[Driver_T::Name()]);
79 }
80 ~ParameterRegistrator() {
81 DeviceParameterFactory::Unregister<Parameter_T>(AudioOutputDeviceFactory::ParameterFactories[Driver_T::Name()]);
82 }
83 };
84
85 static AudioOutputDevice* Create(String DriverName, std::map<String,String> Parameters) throw (Exception);
86 static std::vector<String> AvailableDrivers();
87 static String AvailableDriversAsString();
88 static std::map<String,DeviceCreationParameter*> GetAvailableDriverParameters(String DriverName) throw (Exception);
89 static DeviceCreationParameter* GetDriverParameter(String DriverName, String ParameterName) throw (Exception);
90 static String GetDriverDescription(String DriverName) throw (Exception);
91 static String GetDriverVersion(String DriverName) throw (Exception);
92
93 // protected: /* FIXME: fields below should be protected, causes errors on gcc 2.95 though */
94 static std::map<String, InnerFactory*> InnerFactories;
95 static std::map<String, DeviceParameterFactory*> ParameterFactories;
96 };
97
98 } // namespace LinuxSampler
99
100 #endif // __LS_AUDIO_OUTPUT_DEVICE_FACTORY_H__

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