up

examples/examples.pro

+TEMPLATE = subdirs
+QT_FOR_CONFIG += multimedia-private
+
+SUBDIRS += filters qt-launch playbin
+

examples/filters/Pipeline.qml

+/****************************************************************************
+**
+** Copyright (C) 2019 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtMultimedia 5.11
+import QtGstreamerExtras 5.12
+
+Item {
+    id: video
+    property alias pipeline: gst.pipeline
+
+    VideoOutput {
+        id: videoOut
+        anchors.fill: video
+        source: player
+    }
+
+    MediaPlayer {
+        id: player
+        autoPlay: true
+    }
+
+    GstreamerPipeline {
+        id: gst
+        source: player
+    }
+}

examples/filters/filters.pro

+TEMPLATE = app
+TARGET = filters
+QT += qml quick multimediagsttools-private
+
+# Input
+SOURCES += main.cpp
+RESOURCES += qml.qrc
+
+target.path = $$[QT_INSTALL_EXAMPLES]/gstreamer/filters
+INSTALLS += target

examples/filters/main.cpp

+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication app(argc, argv);
+
+    QQmlApplicationEngine engine;
+    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+
+    return app.exec();
+}

examples/filters/main.qml

+/****************************************************************************
+**
+** Copyright (C) 2019 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.7
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.12
+import QtMultimedia 5.11
+
+ApplicationWindow {
+    id: window
+    title: "Gstreamer pipeline example"
+    visible: true
+    width: 1920
+    height: 1080
+    color: "black"
+
+    property var filter: "queue"
+    RowLayout {
+        anchors.fill: parent
+        ListView {
+            visible: true
+            id: view
+            Layout.fillHeight: true
+            width: 200
+            readonly property int columnCount: 3
+
+            model: ListModel {
+                ListElement { filters: "identity" }
+                ListElement { filters: "bulge" }
+                ListElement { filters: "dicetv" }
+                ListElement { filters: "edgetv" }
+                ListElement { filters: "videoflip method=horizontal-flip" }
+            }
+
+            delegate: Pipeline {
+                id: video
+                height: 200
+                width: 200
+                pipeline: "filesrc location=images/qt-logo.png ! decodebin ! videoconvert ! imagefreeze ! " + model.filters + " ! qtvideosink"
+
+                MouseArea {
+                    anchors.fill:parent
+                    onClicked: filter = model.filters
+                }
+            }
+        }
+
+        Pipeline {
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            pipeline: "v4l2src ! queue ! avdec_h264 ! videoconvert ! " + filter + " ! videoconvert ! qtvideosink"
+        }
+    }
+}

examples/filters/qml.qrc

+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+        <file>Pipeline.qml</file>
+    </qresource>
+</RCC>

examples/playbin/main.cpp

+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+#include <QtCore/QCommandLineParser>
+#include <QtQuick/QQuickView>
+#include <QtQuick/QQuickItem>
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication app(argc, argv);
+
+    QCoreApplication::setApplicationName("QtMultimedia Gstreamer Playbin Example");
+    QCoreApplication::setOrganizationName("QtProject");
+    QGuiApplication::setApplicationDisplayName(QCoreApplication::applicationName());
+    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
+    QCommandLineParser parser;
+    parser.addHelpOption();
+    parser.addVersionOption();
+
+    QCommandLineOption uriOpt("uri", "URI of the media to play.", "uri");
+    parser.addOption(uriOpt);
+
+    QCommandLineOption videoSinkOpt("video-sink", "The video output element to use.", "video-sink");
+    parser.addOption(videoSinkOpt);
+
+    QCommandLineOption showTextOpt("show-text", "Enable a subtitle.");
+    parser.addOption(showTextOpt);
+
+    QCommandLineOption textUriOpt("text-uri", "The currently playing URI of a subtitle.", "text-uri");
+    parser.addOption(textUriOpt);
+
+    QCommandLineOption fontOpt("text-font", "Pango font description of font to be used for subtitle rendering.", "text-font");
+    parser.addOption(fontOpt);
+
+    QCommandLineOption audioOpt("audio-stream", "Currently playing audio stream.", "audio-stream");
+    parser.addOption(audioOpt);
+
+    QCommandLineOption videoOpt("video-stream", "Currently playing video stream.", "video-stream");
+    parser.addOption(videoOpt);
+
+    QCommandLineOption textOpt("text-stream", "Currently playing text stream.", "text-stream");
+    parser.addOption(textOpt);
+
+    parser.process(app);
+
+    QString uri = parser.isSet(uriOpt) ? parser.value(uriOpt) : QString();
+    QString videoSink = parser.isSet(videoSinkOpt) ? parser.value(videoSinkOpt) : QString();
+    QString textUri = parser.isSet(textUriOpt) ? parser.value(textUriOpt) : QString();
+    QString textFont = parser.isSet(fontOpt) ? parser.value(fontOpt) : QString();
+    QString audioStream = parser.isSet(audioOpt) ? parser.value(audioOpt) : QString();
+    QString videoStream = parser.isSet(videoOpt) ? parser.value(videoOpt) : QString();
+    QString textStream = parser.isSet(textOpt) ? parser.value(textOpt) : QString();
+
+    QQuickView viewer;
+    viewer.setSource(QUrl("qrc:/main.qml"));
+    QObject::connect(viewer.engine(), &QQmlEngine::quit, &viewer, &QQuickView::close);
+    QQuickItem *rootObject = viewer.rootObject();
+
+    if (!uri.isEmpty())
+        rootObject->setProperty("uri", uri);
+
+    if (!videoSink.isEmpty())
+        rootObject->setProperty("videoSink", videoSink);
+
+    if (parser.isSet(showTextOpt))
+        rootObject->setProperty("showText", true);
+
+    if (!textUri.isEmpty())
+        rootObject->setProperty("textUri", textUri);
+
+    if (!textFont.isEmpty())
+        rootObject->setProperty("textFont", textFont);
+
+    if (!audioStream.isEmpty())
+        rootObject->setProperty("audioStream", audioStream);
+
+    if (!videoStream.isEmpty())
+        rootObject->setProperty("videoStream", videoStream);
+
+    if (!textStream.isEmpty())
+        rootObject->setProperty("textStream", textStream);
+
+    QMetaObject::invokeMethod(rootObject, "init");
+
+    viewer.setMinimumSize(QSize(640, 360));
+    viewer.show();
+
+    return app.exec();
+}

examples/playbin/main.qml

+/****************************************************************************
+**
+** Copyright (C) 2019 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.7
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.12
+import QtMultimedia 5.11
+import QtGstreamerExtras 5.12
+
+Rectangle {
+    id: root
+    anchors.fill: parent
+    color: "black"
+
+    property string uri
+    property string pipeline
+    property string videoSink
+    property bool showText: false
+    property string textUri
+    property string textFont
+    property int audioStream: -1
+    property int videoStream: -1
+    property int textStream: -1
+
+    Component {
+        id: comp
+        Item {
+            anchors.fill: root
+
+            VideoOutput {
+                id: videoOut
+                anchors.fill: parent
+                source: player
+            }
+
+            MediaPlayer {
+                id: player
+                autoPlay: true
+            }
+
+            GstreamerPlaybin {
+                id: gst
+                source: player
+                videoSink: root.videoSink
+                showText: root.showText
+                textUri: root.textUri
+                textFont: root.textFont
+                audioStream: root.audioStream
+                videoStream: root.videoStream
+                textStream: root.textStream
+            }
+
+            MouseArea {
+                anchors.fill: parent
+                onClicked:  {
+                    if (player.playbackState == MediaPlayer.PlayingState)
+                        player.pause()
+                    else
+                        player.play()
+                }
+            }
+
+            Component.onCompleted: {
+                if (root.uri)
+                    player.source = root.uri
+                else
+                    gst.pipeline = "videotestsrc ! qtvideosink"
+            }
+        }
+    }
+
+    function init() {
+        comp.createObject(root)
+    }
+}

examples/playbin/playbin.pro

+TEMPLATE = app
+TARGET = playbin
+QT += qml quick multimedia widgets multimediagsttools-private
+
+# Input
+SOURCES += main.cpp
+RESOURCES += qml.qrc
+
+target.path = $$[QT_INSTALL_EXAMPLES]/gstreamer/playbin
+INSTALLS += target

examples/playbin/qml.qrc

+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>

examples/qt-launch/main.cpp

+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGstreamerPipeline>
+#include <QApplication>
+#include <QMediaPlayer>
+#include <QVideoWidget>
+#include <QtCore/QCommandLineParser>
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    QCoreApplication::setApplicationName("QtMultimedia GStreamer Launch Example");
+    QCoreApplication::setOrganizationName("QtProject");
+    QGuiApplication::setApplicationDisplayName(QCoreApplication::applicationName());
+    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
+    QCommandLineParser parser;
+    parser.addHelpOption();
+    parser.addVersionOption();
+    parser.addPositionalArgument("pipeline", "The pipeline to launch.");
+    parser.process(app);
+
+    QVideoWidget widget;
+    widget.resize(QSize(800, 600));
+
+    QMediaPlayer player;
+    player.setVideoOutput(&widget);
+
+    QObject::connect(&player, &QMediaPlayer::mediaStatusChanged,
+        [&](QMediaPlayer::MediaStatus status) {
+            if (status == QMediaPlayer::EndOfMedia || status == QMediaPlayer::InvalidMedia)
+                app.exit();
+        });
+
+    QString pipeline = !parser.positionalArguments().isEmpty()
+        ? parser.positionalArguments().join(" ")
+        : QLatin1String("videotestsrc ! xvimagesink name=qtvideosink");
+
+    QGstreamerPipeline gst(&player);
+    QObject::connect(&gst, &QGstreamerPipeline::pipelineChanged, [&](){
+        if (!gst_bin_get_by_name(GST_BIN(gst.pipeline()), "qtvideosink"))
+            return;
+
+        widget.show();
+    });
+
+    gst.setPipeline(pipeline);
+    player.play();
+
+    return app.exec();
+}
+

examples/qt-launch/qt-launch.pro

+TEMPLATE = app
+TARGET = qt-launch
+QT += multimedia multimediawidgets multimediagsttools-private
+
+# Input
+SOURCES = main.cpp
+
+target.path = $$[QT_INSTALL_EXAMPLES]/gstreamer/qt-launch
+INSTALLS += target