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/* This file is part of the KDE project. |
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|
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Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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|
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This library is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published by |
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the Free Software Foundation, either version 2.1 or 3 of the License. |
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|
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public License |
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along with this library. If not, see <http://www.gnu.org/licenses/>. |
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|
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*/ |
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|
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#include <e32debug.h> |
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|
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#include <QCoreApplication> |
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|
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#include "audiooutput.h" |
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#include "defs.h" |
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#include "mediaobject.h" |
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#include "utils.h" |
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|
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QT_BEGIN_NAMESPACE |
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|
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using namespace Phonon; |
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using namespace Phonon::MMF; |
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|
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/*! \class MMF::AudioOutput |
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\internal |
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*/ |
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|
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//----------------------------------------------------------------------------- |
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// Constructor / destructor |
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//----------------------------------------------------------------------------- |
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|
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MMF::AudioOutput::AudioOutput(Backend *, QObject *parent) : MediaNode(parent) |
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, m_volume(InitialVolume) |
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{ |
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|
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} |
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|
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|
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//----------------------------------------------------------------------------- |
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// Public API |
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//----------------------------------------------------------------------------- |
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|
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qreal MMF::AudioOutput::volume() const |
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{ |
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return m_volume; |
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} |
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|
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void MMF::AudioOutput::setVolume(qreal volume) |
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{ |
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TRACE_CONTEXT(AudioOutput::setVolume, EAudioApi); |
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TRACE_ENTRY("volume %f", volume); |
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|
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if (volume != m_volume) { |
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|
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m_volume = volume; |
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TRACE("emit volumeChanged(%f)", volume) |
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emit volumeChanged(volume); |
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} |
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|
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TRACE_EXIT_0(); |
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} |
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|
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int MMF::AudioOutput::outputDevice() const |
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{ |
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return AudioOutputDeviceID; |
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} |
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|
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bool MMF::AudioOutput::setOutputDevice(int index) |
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{ |
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Q_ASSERT_X(index == AudioOutputDeviceID, Q_FUNC_INFO, |
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"We only support one output device, with id 0"); |
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#ifdef QT_NO_DEBUG |
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Q_UNUSED(index) |
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#endif |
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return true; |
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} |
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|
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void MMF::AudioOutput::connectMediaObject(MediaObject *mediaObject) |
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{ |
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// Ensure that the MediaObject has the correct initial volume |
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mediaObject->volumeChanged(m_volume); |
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// Connect MediaObject to receive future volume changes |
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connect(this, SIGNAL(volumeChanged(qreal)), mediaObject, SLOT(volumeChanged(qreal))); |
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} |
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|
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void MMF::AudioOutput::disconnectMediaObject(MediaObject *mediaObject) |
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{ |
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// Disconnect all signal-slot connections |
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disconnect(this, 0, mediaObject, 0); |
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} |
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|
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QHash<QByteArray, QVariant> MMF::AudioOutput::audioOutputDescription(int index) |
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{ |
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QHash<QByteArray, QVariant> retval; |
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|
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if (index == AudioOutputDeviceID) { |
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retval.insert("name", QCoreApplication::translate("Phonon::MMF", "Audio Output")); |
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retval.insert("description", QCoreApplication::translate("Phonon::MMF", "The audio output device")); |
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retval.insert("available", true); |
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} |
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return retval; |
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} |
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|
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QT_END_NAMESPACE |
