diff -r 000000000000 -r 876b1a06bc25 src/multimedia/qvideoencodercontrol.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/multimedia/qvideoencodercontrol.cpp Wed Aug 25 15:49:42 2010 +0300 @@ -0,0 +1,175 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 "qvideoencodercontrol.h" +#include +#include + +QT_BEGIN_NAMESPACE + +/*! + \class QVideoEncoderControl + \preliminary + \ingroup multimedia + + \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. +*/ + +/*! + \fn QVideoEncoderControl::videoCodecDescription(const QString &codec) const + + Returns a description of a video \a codec. +*/ + +/*! + \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. +*/ + +/*! + \fn QVideoEncoderControl::encodingOption(const QString &codec, const QString &option) const + + Returns the value of a video \a codec \a option. +*/ + +/*! + \fn QVideoEncoderControl::setEncodingOption(const QString &codec, const QString &option, const QVariant &value) + + Sets the \a value of a \a codec specific \a option. +*/ + +/*! + \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. + + \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. + + \sa QVideoEncoderSettings::frameRate() +*/ + +/*! + \fn QVideoEncoderControl::videoSettings() const + + Returns the selected video encoder settings. +*/ + +/*! + \fn QVideoEncoderControl::setVideoSettings(const QVideoEncoderSettings &settings) + + Sets the selected video encoder \a settings. +*/ + +#include "moc_qvideoencodercontrol.cpp" +QT_END_NAMESPACE +