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Diffstat (limited to 'src/multimediakit/qvideoencodercontrol.cpp')
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1 files changed, 190 insertions, 0 deletions
diff --git a/src/multimediakit/qvideoencodercontrol.cpp b/src/multimediakit/qvideoencodercontrol.cpp new file mode 100644 index 000000000..b06286f9b --- /dev/null +++ b/src/multimediakit/qvideoencodercontrol.cpp @@ -0,0 +1,190 @@ +/**************************************************************************** +** +** 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 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 "qvideoencodercontrol.h" +#include <QtCore/qstringlist.h> +#include <QtCore/qvariant.h> + +QT_BEGIN_NAMESPACE + +/*! + \class QVideoEncoderControl + + \inmodule QtMultimediaKit + \ingroup multimedia + \since 1.0 + + \brief The QVideoEncoderControl class provides access to the settings + of a media service that performs video encoding. + + If a QMediaService supports encoding video data it will implement + QVideoEncoderControl. This control provides information about the limits + of restricted video encoder options and allows the selection of a set of + video encoder settings as specified in a QVideoEncoderSettings object. + + The functionality provided by this control is exposed to application code + through the QMediaRecorder class. + + The interface name of QVideoEncoderControl is \c com.nokia.Qt.QVideoEncoderControl/1.0 as + defined in QVideoEncoderControl_iid. + + \sa QMediaRecorder, QVideoEncoderSettings, QMediaService::requestControl() +*/ + +/*! + \macro QVideoEncoderControl_iid + + \c com.nokia.Qt.QVideoEncoderControl/1.0 + + Defines the interface name of the QVideoEncoderControl class. + + \relates QVideoEncoderControl +*/ + +/*! + Create a new video encoder control object with the given \a parent. +*/ +QVideoEncoderControl::QVideoEncoderControl(QObject *parent) + :QMediaControl(parent) +{ +} + +/*! + Destroys a video encoder control. +*/ +QVideoEncoderControl::~QVideoEncoderControl() +{ +} + +/*! + \fn QVideoEncoderControl::supportedVideoCodecs() const + + Returns the list of supported video codecs. + \since 1.0 +*/ + +/*! + \fn QVideoEncoderControl::videoCodecDescription(const QString &codec) const + + Returns a description of a video \a codec. + \since 1.0 +*/ + +/*! + \fn QVideoEncoderControl::supportedEncodingOptions(const QString &codec) const + + Returns a list of supported encoding options for a video \a codec. + + The names and types of the options in the list is system dependent. + \since 1.0 +*/ + +/*! + \fn QVideoEncoderControl::encodingOption(const QString &codec, const QString &option) const + + Returns the value of a video \a codec \a option. + \since 1.0 +*/ + +/*! + \fn QVideoEncoderControl::setEncodingOption(const QString &codec, const QString &option, const QVariant &value) + + Sets the \a value of a \a codec specific \a option. + \since 1.0 +*/ + +/*! + \fn QVideoEncoderControl::supportedResolutions(const QVideoEncoderSettings &settings = QVideoEncoderSettings(), + bool *continuous = 0) const + + Returns a list of supported resolutions. + + If non null video \a settings parameter is passed, + the returned list is reduced to resolution supported with partial settings like + \l {QVideoEncoderSettings::setCodec()}{video codec} or + \l {QVideoEncoderSettings::setFrameRate()}{frame rate} applied. + + If the encoder supports arbitrary resolutions within the supported resolutions range, + *\a continuous is set to true, otherwise *\a continuous is set to false. + + \since 1.0 + \sa QVideoEncoderSettings::resolution() +*/ + +/*! + \fn QVideoEncoderControl::supportedFrameRates(const QVideoEncoderSettings &settings = QVideoEncoderSettings(), + bool *continuous = 0) const + + Returns a list of supported frame rates. + + If non null video \a settings parameter is passed, + the returned list is reduced to frame rates supported with partial settings like + \l {QVideoEncoderSettings::setCodec()}{video codec} or + \l {QVideoEncoderSettings::setResolution()}{video resolution} applied. + + If the encoder supports arbitrary frame rates within the supported range, + *\a continuous is set to true, otherwise *\a continuous is set to false. + + \since 1.0 + \sa QVideoEncoderSettings::frameRate() +*/ + +/*! + \fn QVideoEncoderControl::videoSettings() const + + Returns the video encoder settings. + + The returned value may be different tha passed to QVideoEncoderControl::setVideoSettings() + if the settings contains the default or undefined parameters. + In this case if the undefined parameters are already resolved, they should be returned. + \since 1.0 +*/ + +/*! + \fn QVideoEncoderControl::setVideoSettings(const QVideoEncoderSettings &settings) + + Sets the selected video encoder \a settings. + \since 1.0 +*/ + +#include "moc_qvideoencodercontrol.cpp" +QT_END_NAMESPACE + |