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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 "s60audioencodercontrol.h"
#include "s60videocapturesession.h"
S60AudioEncoderControl::S60AudioEncoderControl(QObject *parent) :
QAudioEncoderControl(parent)
{
}
S60AudioEncoderControl::S60AudioEncoderControl(S60VideoCaptureSession *session, QObject *parent) :
QAudioEncoderControl(parent)
{
m_session = session;
}
S60AudioEncoderControl::~S60AudioEncoderControl()
{
}
QStringList S60AudioEncoderControl::supportedAudioCodecs() const
{
return m_session->supportedAudioCaptureCodecs();
}
QString S60AudioEncoderControl::codecDescription(const QString &codecName) const
{
// According to ForumNokia MMF camcorder plugin supports AAC, AMR and QCELP
// QCELP is speech codec and can be discarded
if (qstrcmp(codecName.toLocal8Bit().constData(), "audio/aac") == 0)
return QLatin1String("Advanced Audio Coding");
else if (qstrcmp(codecName.toLocal8Bit().constData(), "audio/amr") == 0)
return QLatin1String("Adaptive Multi-Rate Audio Codec");
return QString();
}
QStringList S60AudioEncoderControl::supportedEncodingOptions(const QString &codec) const
{
// Possible settings: EncodingMode, Codec, BitRate, ChannelCount, SampleRate, Quality
// Possible (codec specific) Options: None
Q_UNUSED(codec);
return QStringList();
}
QVariant S60AudioEncoderControl::encodingOption(const QString &codec, const QString &name) const
{
// Possible settings: EncodingMode, Codec, BitRate, ChannelCount, SampleRate, Quality
// Possible (codec specific) Options: None
Q_UNUSED(codec);
Q_UNUSED(name);
return QVariant();
}
void S60AudioEncoderControl::setEncodingOption(
const QString &codec, const QString &name, const QVariant &value)
{
m_session->setError(KErrNotSupported, tr("Audio encoding option is not supported"));
// The audio settings can currently be set only using setAudioSettings() function
Q_UNUSED(value)
Q_UNUSED(codec)
Q_UNUSED(name)
}
QList<int> S60AudioEncoderControl::supportedSampleRates(
const QAudioEncoderSettings &settings, bool *continuous) const
{
return m_session->supportedSampleRates(settings, continuous);
}
QAudioEncoderSettings S60AudioEncoderControl::audioSettings() const
{
QAudioEncoderSettings settings;
m_session->audioEncoderSettings(settings);
return settings;
}
void S60AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)
{
// Notify that settings have been implicitly set and there's no need to
// initialize them in case camera is changed
m_session->notifySettingsSet();
// Quality defines SampleRate/BitRate combination if either or both are missing
if (settings.codec().isEmpty()) { // Empty settings
m_session->setAudioCaptureQuality(settings.quality(), S60VideoCaptureSession::EOnlyAudioQuality);
} else if (settings.bitRate() == -1 && settings.sampleRate() != -1) { // Only SampleRate set
m_session->setAudioCaptureCodec(settings.codec());
m_session->setAudioChannelCount(settings.channelCount());
m_session->setAudioSampleRate(settings.sampleRate());
m_session->setAudioEncodingMode(settings.encodingMode());
m_session->setAudioCaptureQuality(settings.quality(), S60VideoCaptureSession::EAudioQualityAndSampleRate);
} else if (settings.bitRate() != -1 && settings.sampleRate() == -1) { // Only BitRate set
m_session->setAudioCaptureCodec(settings.codec());
m_session->setAudioChannelCount(settings.channelCount());
m_session->setAudioBitRate(settings.bitRate());
m_session->setAudioEncodingMode(settings.encodingMode());
m_session->setAudioCaptureQuality(settings.quality(), S60VideoCaptureSession::EAudioQualityAndBitRate);
} else if (settings.bitRate() == -1 && settings.sampleRate() == -1) { // No BitRate or SampleRate set
m_session->setAudioCaptureCodec(settings.codec());
m_session->setAudioChannelCount(settings.channelCount());
m_session->setAudioEncodingMode(settings.encodingMode());
m_session->setAudioCaptureQuality(settings.quality(), S60VideoCaptureSession::EOnlyAudioQuality);
} else { // Both SampleRate and BitRate set
m_session->setAudioCaptureCodec(settings.codec());
m_session->setAudioChannelCount(settings.channelCount());
m_session->setAudioSampleRate(settings.sampleRate());
m_session->setAudioBitRate(settings.bitRate());
m_session->setAudioEncodingMode(settings.encodingMode());
m_session->setAudioCaptureQuality(settings.quality(), S60VideoCaptureSession::ENoAudioQuality);
}
}
// End of file
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