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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-
-#include "qaudiosystemplugin.h"
-
-QT_BEGIN_NAMESPACE
-
-/*!
- \class QAudioSystemPlugin
- \brief The QAudioSystemPlugin class provides an abstract base for audio plugins.
- \since 1.0
-
- \ingroup multimedia
- \inmodule QtMultimedia
- \internal
-
- Writing a audio plugin is achieved by subclassing this base class,
- reimplementing the pure virtual functions keys(), availableDevices(),
- createInput(), createOutput() and createDeviceInfo() then exporting
- the class with the Q_EXPORT_PLUGIN2() macro.
-
- Unit tests are available to help in debugging new plugins.
-
- \sa QAbstractAudioDeviceInfo, QAbstractAudioOutput, QAbstractAudioInput
-
- Qt supports win32, linux(alsa) and Mac OS X standard (builtin to the
- QtMultimedia library at compile time).
-
- You can support other backends other than these predefined ones by
- creating a plugin subclassing QAudioSystemPlugin, QAbstractAudioDeviceInfo,
- QAbstractAudioOutput and QAbstractAudioInput.
-
- Add "default" to your list of keys() available to override the default
- audio device to be provided by your plugin.
-
- -audio-backend configure option will force compiling in of the builtin backend
- into the QtMultimedia library at compile time. This is automatic by default
- and will only be compiled into the library if the dependencies are installed.
- eg. alsa-devel package installed for linux.
-
- If the builtin backend is not compiled into the QtMultimedia library and
- no audio plugins are available a fallback dummy backend will be used.
- This should print out warnings if this is the case when you try and use QAudioInput or QAudioOutput. To fix this problem
- reconfigure Qt using -audio-backend or create your own plugin with a default
- key to always override the dummy fallback. The easiest way to determine
- if you have only a dummy backend is to get a list of available audio devices.
-
- QAudioDeviceInfo::availableDevices(QAudio::AudioOutput).size() = 0 (dummy backend)
-*/
-
-/*!
- Construct a new audio plugin with \a parent.
- This is invoked automatically by the Q_EXPORT_PLUGIN2() macro.
-*/
-
-QAudioSystemPlugin::QAudioSystemPlugin(QObject* parent) :
- QObject(parent)
-{}
-
-/*!
- Destroy the audio plugin
-
- You never have to call this explicitly. Qt destroys a plugin automatically when it is no longer used.
-*/
-
-QAudioSystemPlugin::~QAudioSystemPlugin()
-{}
-
-/*!
- \fn QStringList QAudioSystemPlugin::keys() const
- Returns the list of device identifiers this plugin supports.
- \since 1.0
-*/
-
-/*!
- \fn QList<QByteArray> QAudioSystemPlugin::availableDevices(QAudio::Mode mode) const
- Returns a list of available audio devices for \a mode
- \since 1.0
-*/
-
-/*!
- \fn QAbstractAudioInput* QAudioSystemPlugin::createInput(const QByteArray& device)
- Returns a pointer to a QAbstractAudioInput created using \a device identifier
- \since 1.0
-*/
-
-/*!
- \fn QAbstractAudioOutput* QAudioSystemPlugin::createOutput(const QByteArray& device)
- Returns a pointer to a QAbstractAudioOutput created using \a device identifier
-
- \since 1.0
-*/
-
-/*!
- \fn QAbstractAudioDeviceInfo* QAudioSystemPlugin::createDeviceInfo(const QByteArray& device, QAudio::Mode mode)
- Returns a pointer to a QAbstractAudioDeviceInfo created using \a device and \a mode
-
- \since 1.0
-*/
-
-
-QT_END_NAMESPACE
-
-#include "moc_qaudiosystemplugin.cpp"