drivers/audio/AudioOutputDeviceFactory.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and 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                                                   *
 ***************************************************************************/

#include "AudioOutputDeviceFactory.h"

#if HAVE_ALSA
# include "AudioOutputDeviceAlsa.h"
#endif // HAVE_ALSA

#if HAVE_JACK
# include "AudioOutputDeviceJack.h"
#endif // HAVE_JACK

namespace LinuxSampler {

    std::map<String, AudioOutputDeviceFactory::InnerFactory*> AudioOutputDeviceFactory::InnerFactories;
    std::map<String, DeviceParameterFactory*> AudioOutputDeviceFactory::ParameterFactories;

#if HAVE_ALSA
    REGISTER_AUDIO_OUTPUT_DRIVER(AudioOutputDeviceAlsa);
    /* Common parameters for now they'll have to be registered here. */
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterActive);
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterSampleRate);
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterChannels);
    /* Driver specific parameters */
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterCard);
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterFragments);
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterFragmentSize);
#endif // HAVE_ALSA

#if HAVE_JACK
    REGISTER_AUDIO_OUTPUT_DRIVER(AudioOutputDeviceJack);
    /* Common parameters for now they'll have to be registered here. */
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterActive);
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterChannels);
    /* Driver specific parameters */
    REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterName);
#endif // HAVE_JACK

    AudioOutputDevice* AudioOutputDeviceFactory::Create(String DriverName, std::map<String,String> Parameters) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
        //Let's see if we need to create parameters
        std::map<String,DeviceCreationParameter*> thisDeviceParams;
        DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
        if (pParamFactory) {
                thisDeviceParams = pParamFactory->CreateAllParams(Parameters);
        } else {
                //No parameters are registered by the driver. Throw if any parameters were specified.
                if (Parameters.size() != 0) throw LinuxSamplerException("Driver '" + DriverName + "' does not have any parameters.");
        }
        //Now create the device using those parameters
        AudioOutputDevice* pDevice = InnerFactories[DriverName]->Create(thisDeviceParams);
        //Now attach all parameters to the newely created device.
        for (std::map<String,DeviceCreationParameter*>::iterator iter = thisDeviceParams.begin(); iter != thisDeviceParams.end(); iter++) {
                iter->second->Attach(pDevice);
        }
        return pDevice;
    }

    std::vector<String> AudioOutputDeviceFactory::AvailableDrivers() {
        std::vector<String> result;
        std::map<String, InnerFactory*>::iterator iter = InnerFactories.begin();
        while (iter != InnerFactories.end()) {
            result.push_back(iter->first);
            iter++;
        }
        return result;
    }

    String AudioOutputDeviceFactory::AvailableDriversAsString() {
        std::vector<String> drivers = AvailableDrivers();
        String result;
        std::vector<String>::iterator iter = drivers.begin();
        for (; iter != drivers.end(); iter++) {
            if (result != "") result += ",";
            result += *iter;
        }
        return result;
    }

    std::map<String,DeviceCreationParameter*> AudioOutputDeviceFactory::GetAvailableDriverParameters(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
        std::map<String,DeviceCreationParameter*> thisDeviceParams;
        DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
        if (pParamFactory) {
                thisDeviceParams = pParamFactory->CreateAllParams();
        }
        return thisDeviceParams;
    }

    DeviceCreationParameter* AudioOutputDeviceFactory::GetDriverParameter(String DriverName, String ParameterName) throw (LinuxSamplerException) {
        std::map<String,DeviceCreationParameter*> parameters = GetAvailableDriverParameters(DriverName);
        if (!parameters.count(ParameterName)) throw LinuxSamplerException("Audio output driver '" + DriverName + "' does not have a parameter '" + ParameterName + "'.");
        return parameters[ParameterName];
    }

    String AudioOutputDeviceFactory::GetDriverDescription(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
        return InnerFactories[DriverName]->Description();
    }

    String AudioOutputDeviceFactory::GetDriverVersion(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
        return InnerFactories[DriverName]->Version();
    }

} // namespace LinuxSampler
1	schoenebeck	200	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6			* *
7			* This program is free software; you can redistribute it and/or modify *
8			* it under the terms of the GNU General Public License as published by *
9			* the Free Software Foundation; either version 2 of the License, or *
10			* (at your option) any later version. *
11			* *
12			* This program is distributed in the hope that it will be useful, *
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15			* GNU General Public License for more details. *
16			* *
17			* You should have received a copy of the GNU General Public License *
18			* along with this program; if not, write to the Free Software *
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20			* MA 02111-1307 USA *
21			***************************************************************************/
22
23			#include "AudioOutputDeviceFactory.h"
24
25	schoenebeck	289	#if HAVE_ALSA
26			# include "AudioOutputDeviceAlsa.h"
27			#endif // HAVE_ALSA
28	schoenebeck	288
29	schoenebeck	289	#if HAVE_JACK
30			# include "AudioOutputDeviceJack.h"
31			#endif // HAVE_JACK
32
33	schoenebeck	200	namespace LinuxSampler {
34
35			std::map<String, AudioOutputDeviceFactory::InnerFactory*> AudioOutputDeviceFactory::InnerFactories;
36			std::map<String, DeviceParameterFactory*> AudioOutputDeviceFactory::ParameterFactories;
37
38	schoenebeck	289	#if HAVE_ALSA
39			REGISTER_AUDIO_OUTPUT_DRIVER(AudioOutputDeviceAlsa);
40			/* Common parameters for now they'll have to be registered here. */
41			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterActive);
42			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterSampleRate);
43			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterChannels);
44			/* Driver specific parameters */
45			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterCard);
46			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterFragments);
47			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceAlsa, ParameterFragmentSize);
48			#endif // HAVE_ALSA
49	schoenebeck	288
50	schoenebeck	289	#if HAVE_JACK
51			REGISTER_AUDIO_OUTPUT_DRIVER(AudioOutputDeviceJack);
52			/* Common parameters for now they'll have to be registered here. */
53			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterActive);
54			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterChannels);
55	schoenebeck	374	/* Driver specific parameters */
56			REGISTER_AUDIO_OUTPUT_DRIVER_PARAMETER(AudioOutputDeviceJack, ParameterName);
57	schoenebeck	289	#endif // HAVE_JACK
58
59	schoenebeck	200	AudioOutputDevice* AudioOutputDeviceFactory::Create(String DriverName, std::map<String,String> Parameters) throw (LinuxSamplerException) {
60			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
61			//Let's see if we need to create parameters
62			std::map<String,DeviceCreationParameter*> thisDeviceParams;
63			DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
64			if (pParamFactory) {
65			thisDeviceParams = pParamFactory->CreateAllParams(Parameters);
66			} else {
67			//No parameters are registered by the driver. Throw if any parameters were specified.
68			if (Parameters.size() != 0) throw LinuxSamplerException("Driver '" + DriverName + "' does not have any parameters.");
69			}
70			//Now create the device using those parameters
71			AudioOutputDevice* pDevice = InnerFactories[DriverName]->Create(thisDeviceParams);
72			//Now attach all parameters to the newely created device.
73			for (std::map<String,DeviceCreationParameter*>::iterator iter = thisDeviceParams.begin(); iter != thisDeviceParams.end(); iter++) {
74			iter->second->Attach(pDevice);
75			}
76			return pDevice;
77			}
78
79			std::vector<String> AudioOutputDeviceFactory::AvailableDrivers() {
80			std::vector<String> result;
81			std::map<String, InnerFactory*>::iterator iter = InnerFactories.begin();
82			while (iter != InnerFactories.end()) {
83			result.push_back(iter->first);
84			iter++;
85			}
86			return result;
87			}
88
89			String AudioOutputDeviceFactory::AvailableDriversAsString() {
90			std::vector<String> drivers = AvailableDrivers();
91			String result;
92			std::vector<String>::iterator iter = drivers.begin();
93			for (; iter != drivers.end(); iter++) {
94			if (result != "") result += ",";
95			result += *iter;
96			}
97			return result;
98			}
99
100			std::map<String,DeviceCreationParameter*> AudioOutputDeviceFactory::GetAvailableDriverParameters(String DriverName) throw (LinuxSamplerException) {
101			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
102			std::map<String,DeviceCreationParameter*> thisDeviceParams;
103			DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
104			if (pParamFactory) {
105			thisDeviceParams = pParamFactory->CreateAllParams();
106			}
107			return thisDeviceParams;
108			}
109
110			DeviceCreationParameter* AudioOutputDeviceFactory::GetDriverParameter(String DriverName, String ParameterName) throw (LinuxSamplerException) {
111			std::map<String,DeviceCreationParameter*> parameters = GetAvailableDriverParameters(DriverName);
112			if (!parameters.count(ParameterName)) throw LinuxSamplerException("Audio output driver '" + DriverName + "' does not have a parameter '" + ParameterName + "'.");
113			return parameters[ParameterName];
114			}
115
116			String AudioOutputDeviceFactory::GetDriverDescription(String DriverName) throw (LinuxSamplerException) {
117			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
118			return InnerFactories[DriverName]->Description();
119			}
120
121			String AudioOutputDeviceFactory::GetDriverVersion(String DriverName) throw (LinuxSamplerException) {
122			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no audio output driver '" + DriverName + "'.");
123			return InnerFactories[DriverName]->Version();
124			}
125
126			} // namespace LinuxSampler