diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp')
| -rw-r--r-- | src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp b/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp deleted file mode 100644 index 1e49000..0000000 --- a/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp +++ /dev/null @@ -1,182 +0,0 @@ -/**************************************************************************** -** -** 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 Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 "camerabinvideoencoder.h" -#include "camerabinsession.h" -#include "camerabincontainer.h" - -#include <QtCore/qdebug.h> - -CameraBinVideoEncoder::CameraBinVideoEncoder(CameraBinSession *session) - :QVideoEncoderControl(session), - m_session(session), - m_codecs(QGstCodecsInfo::VideoEncoder) -{ -} - -CameraBinVideoEncoder::~CameraBinVideoEncoder() -{ -} - -QList<QSize> CameraBinVideoEncoder::supportedResolutions(const QVideoEncoderSettings &settings, bool *continuous) const -{ - if (continuous) - *continuous = false; - - QPair<int,int> rate = rateAsRational(settings.frameRate()); - - //select the closest supported rational rate to settings.frameRate() - - return m_session->supportedResolutions(rate, continuous, QCamera::CaptureVideo); -} - -QList< qreal > CameraBinVideoEncoder::supportedFrameRates(const QVideoEncoderSettings &settings, bool *continuous) const -{ - if (continuous) - *continuous = false; - - QList< qreal > res; - QPair<int,int> rate; - - foreach(rate, m_session->supportedFrameRates(settings.resolution(), continuous)) { - if (rate.second > 0) - res << qreal(rate.first)/rate.second; - } - - return res; -} - -QStringList CameraBinVideoEncoder::supportedVideoCodecs() const -{ - return m_codecs.supportedCodecs(); -} - -QString CameraBinVideoEncoder::videoCodecDescription(const QString &codecName) const -{ - return m_codecs.codecDescription(codecName); -} - -QStringList CameraBinVideoEncoder::supportedEncodingOptions(const QString &codec) const -{ - return m_codecOptions.value(codec); -} - -QVariant CameraBinVideoEncoder::encodingOption(const QString &codec, const QString &name) const -{ - return m_options[codec].value(name); -} - -void CameraBinVideoEncoder::setEncodingOption( - const QString &codec, const QString &name, const QVariant &value) -{ - m_options[codec][name] = value; -} - -QVideoEncoderSettings CameraBinVideoEncoder::videoSettings() const -{ - return m_videoSettings; -} - -void CameraBinVideoEncoder::setVideoSettings(const QVideoEncoderSettings &settings) -{ - m_videoSettings = settings; - m_userSettings = settings; - emit settingsChanged(); -} - -void CameraBinVideoEncoder::setActualVideoSettings(const QVideoEncoderSettings &settings) -{ - m_videoSettings = settings; -} - -void CameraBinVideoEncoder::resetActualSettings() -{ - m_videoSettings = m_userSettings; -} - - -QPair<int,int> CameraBinVideoEncoder::rateAsRational(qreal frameRate) const -{ - if (frameRate > 0.001) { - //convert to rational number - QList<int> denumCandidates; - denumCandidates << 1 << 2 << 3 << 5 << 10 << 25 << 30 << 50 << 100 << 1001 << 1000; - - qreal error = 1.0; - int num = 1; - int denum = 1; - - foreach (int curDenum, denumCandidates) { - int curNum = qRound(frameRate*curDenum); - qreal curError = qAbs(qreal(curNum)/curDenum - frameRate); - - if (curError < error) { - error = curError; - num = curNum; - denum = curDenum; - } - - if (curError < 1e-8) - break; - } - - return QPair<int,int>(num,denum); - } - - return QPair<int,int>(); -} - -GstEncodingProfile *CameraBinVideoEncoder::createProfile() -{ - QString codec = m_videoSettings.codec(); - GstCaps *caps; - - if (codec.isEmpty()) - caps = gst_caps_new_any(); - else - caps = gst_caps_from_string(codec.toLatin1()); - - return (GstEncodingProfile *)gst_encoding_video_profile_new( - caps, - NULL, //preset - NULL, //restriction - 0); //presence -} |