diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp')
| -rw-r--r-- | src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp b/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp deleted file mode 100644 index 5bba2ddb5..000000000 --- a/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp +++ /dev/null @@ -1,239 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtMultimedia/private/qtmultimediaglobal_p.h> -#include "camerabinvideoencoder.h" -#include "camerabinsession.h" -#include "camerabincontainer.h" -#include <private/qgstutils_p.h> - -#include <QtCore/qdebug.h> - -QT_BEGIN_NAMESPACE - -CameraBinVideoEncoder::CameraBinVideoEncoder(CameraBinSession *session) - :QVideoEncoderSettingsControl(session) - , m_session(session) -#if QT_CONFIG(gstreamer_encodingprofiles) - , m_codecs(QGstCodecsInfo::VideoEncoder) -#endif -{ -} - -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; - - const auto rates = m_session->supportedFrameRates(settings.resolution(), continuous); - for (const auto &rate : rates) { - if (rate.second > 0) - res << qreal(rate.first)/rate.second; - } - - return res; -} - -QStringList CameraBinVideoEncoder::supportedVideoCodecs() const -{ -#if QT_CONFIG(gstreamer_encodingprofiles) - return m_codecs.supportedCodecs(); -#else - return QStringList(); -#endif -} - -QString CameraBinVideoEncoder::videoCodecDescription(const QString &codecName) const -{ -#if QT_CONFIG(gstreamer_encodingprofiles) - return m_codecs.codecDescription(codecName); -#else - Q_UNUSED(codecName); - return QString(); -#endif -} - -QVideoEncoderSettings CameraBinVideoEncoder::videoSettings() const -{ - return m_videoSettings; -} - -void CameraBinVideoEncoder::setVideoSettings(const QVideoEncoderSettings &settings) -{ - if (m_videoSettings != settings) { - m_actualVideoSettings = settings; - m_videoSettings = settings; - emit settingsChanged(); - } -} - -QVideoEncoderSettings CameraBinVideoEncoder::actualVideoSettings() const -{ - return m_actualVideoSettings; -} - -void CameraBinVideoEncoder::setActualVideoSettings(const QVideoEncoderSettings &settings) -{ - m_actualVideoSettings = settings; -} - -void CameraBinVideoEncoder::resetActualSettings() -{ - m_actualVideoSettings = m_videoSettings; -} - - -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; - - for (int curDenum : qAsConst(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>(); -} - -#if QT_CONFIG(gstreamer_encodingprofiles) - -GstEncodingProfile *CameraBinVideoEncoder::createProfile() -{ - QString codec = m_actualVideoSettings.codec(); - GstCaps *caps = !codec.isEmpty() ? gst_caps_from_string(codec.toLatin1()) : nullptr; - - if (!caps) - return nullptr; - - QString preset = m_actualVideoSettings.encodingOption(QStringLiteral("preset")).toString(); - GstEncodingVideoProfile *profile = gst_encoding_video_profile_new( - caps, - !preset.isEmpty() ? preset.toLatin1().constData() : NULL, //preset - NULL, //restriction - 1); //presence - - gst_caps_unref(caps); - - gst_encoding_video_profile_set_pass(profile, 0); - gst_encoding_video_profile_set_variableframerate(profile, TRUE); - - return (GstEncodingProfile *)profile; -} - -#endif - -void CameraBinVideoEncoder::applySettings(GstElement *encoder) -{ - GObjectClass * const objectClass = G_OBJECT_GET_CLASS(encoder); - const char * const name = qt_gst_element_get_factory_name(encoder); - - const int bitRate = m_actualVideoSettings.bitRate(); - if (bitRate == -1) { - // Bit rate is invalid, don't evaluate the remaining conditions. - } else if (g_object_class_find_property(objectClass, "bitrate")) { - g_object_set(G_OBJECT(encoder), "bitrate", bitRate, NULL); - } else if (g_object_class_find_property(objectClass, "target-bitrate")) { - g_object_set(G_OBJECT(encoder), "target-bitrate", bitRate, NULL); - } - - if (qstrcmp(name, "theoraenc") == 0) { - static const int qualities[] = { 8, 16, 32, 45, 60 }; - g_object_set(G_OBJECT(encoder), "quality", qualities[m_actualVideoSettings.quality()], NULL); - } else if (qstrncmp(name, "avenc_", 6) == 0) { - if (g_object_class_find_property(objectClass, "pass")) { - static const int modes[] = { 0, 2, 512, 1024 }; - g_object_set(G_OBJECT(encoder), "pass", modes[m_actualVideoSettings.encodingMode()], NULL); - } - if (g_object_class_find_property(objectClass, "quantizer")) { - static const double qualities[] = { 20, 8.0, 3.0, 2.5, 2.0 }; - g_object_set(G_OBJECT(encoder), "quantizer", qualities[m_actualVideoSettings.quality()], NULL); - } - } else if (qstrncmp(name, "omx", 3) == 0) { - if (!g_object_class_find_property(objectClass, "control-rate")) { - } else switch (m_actualVideoSettings.encodingMode()) { - case QMultimedia::ConstantBitRateEncoding: - g_object_set(G_OBJECT(encoder), "control-rate", 2, NULL); - break; - case QMultimedia::AverageBitRateEncoding: - g_object_set(G_OBJECT(encoder), "control-rate", 1, NULL); - break; - default: - g_object_set(G_OBJECT(encoder), "control-rate", 0, NULL); - } - } -} - -QT_END_NAMESPACE |