1 files changed, 128 insertions, 0 deletions
diff --git a/src/multimedia/gstreamer/qgstreamervideorenderer.cpp b/src/multimedia/gstreamer/qgstreamervideorenderer.cpp
new file mode 100644
index 000000000..c6ca935a4
--- /dev/null
+++ b/src/multimedia/gstreamer/qgstreamervideorenderer.cpp
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** 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 "qgstreamervideorenderer_p.h"
+#include <private/qgstvideorenderersink_p.h>
+#include <private/qgstutils_p.h>
+#include <qabstractvideosurface.h>
+#include <QtCore/qdebug.h>
+
+#include <gst/gst.h>
+
+static inline void resetSink(GstElement *&element, GstElement *v = nullptr)
+{
+    if (element)
+        gst_object_unref(GST_OBJECT(element));
+
+    if (v)
+        qt_gst_object_ref_sink(GST_OBJECT(v));
+
+    element = v;
+}
+
+QGstreamerVideoRenderer::QGstreamerVideoRenderer(QObject *parent)
+    : QVideoRendererControl(parent)
+{
+}
+
+QGstreamerVideoRenderer::~QGstreamerVideoRenderer()
+{
+    resetSink(m_videoSink);
+}
+
+void QGstreamerVideoRenderer::setVideoSink(GstElement *sink)
+{
+    if (!sink)
+        return;
+
+    resetSink(m_videoSink, sink);
+    emit sinkChanged();
+}
+
+GstElement *QGstreamerVideoRenderer::videoSink()
+{
+    if (!m_videoSink && m_surface) {
+        auto sink = reinterpret_cast<GstElement *>(QGstVideoRendererSink::createSink(m_surface));
+        resetSink(m_videoSink, sink);
+    }
+
+    return m_videoSink;
+}
+
+void QGstreamerVideoRenderer::stopRenderer()
+{
+    if (m_surface)
+        m_surface->stop();
+}
+
+QAbstractVideoSurface *QGstreamerVideoRenderer::surface() const
+{
+    return m_surface;
+}
+
+void QGstreamerVideoRenderer::setSurface(QAbstractVideoSurface *surface)
+{
+    if (m_surface != surface) {
+        resetSink(m_videoSink);
+
+        if (m_surface) {
+            disconnect(m_surface.data(), SIGNAL(supportedFormatsChanged()),
+                       this, SLOT(handleFormatChange()));
+        }
+
+        bool wasReady = isReady();
+
+        m_surface = surface;
+
+        if (m_surface) {
+            connect(m_surface.data(), SIGNAL(supportedFormatsChanged()),
+                    this, SLOT(handleFormatChange()));
+        }
+
+        if (wasReady != isReady())
+            emit readyChanged(isReady());
+
+        emit sinkChanged();
+    }
+}
+
+void QGstreamerVideoRenderer::handleFormatChange()
+{
+    setVideoSink(nullptr);
+}