diff options
Diffstat (limited to 'src/plugins/symbian/ecam/s60audioencodercontrol.cpp')
| -rw-r--r-- | src/plugins/symbian/ecam/s60audioencodercontrol.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/plugins/symbian/ecam/s60audioencodercontrol.cpp b/src/plugins/symbian/ecam/s60audioencodercontrol.cpp new file mode 100644 index 000000000..bd8f0147d --- /dev/null +++ b/src/plugins/symbian/ecam/s60audioencodercontrol.cpp @@ -0,0 +1,159 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |