GStreamer: port to 1.0.

0.10 is still used by default.
To enable GStreamer 1.0, pass GST_VERSION=1.0 to qmake
for qtmultimedia.pro.

Contributions from:
Andrew den Exter <andrew.den.exter@qinetic.com.au>
Ilya Smelykh <ilya@videoexpertsgroup.com>
Jim Hodapp <jim.hodapp@canonical.com>
Sergio Schvezov <sergio.schvezov@canonical.com>

Change-Id: I72a46d1170a8794a149bdb5e20767afcc5b7587c
Reviewed-by: Andrew den Exter <andrew.den.exter@qinetic.com.au>

1 files changed, 183 insertions, 0 deletions

diff --git a/src/multimedia/gsttools_headers/qgstvideorenderersink_p.h b/src/multimedia/gsttools_headers/qgstvideorenderersink_p.h
new file mode 100644
index 000000000..6feb371c4
--- /dev/null
+++ b/src/multimedia/gsttools_headers/qgstvideorenderersink_p.h
@@ -0,0 +1,183 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Jolla Ltd.
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGSTVIDEORENDERERSINK_P_H
+#define QGSTVIDEORENDERERSINK_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <gst/video/gstvideosink.h>
+#include <gst/video/video.h>
+
+#include <QtCore/qlist.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qqueue.h>
+#include <QtCore/qpointer.h>
+#include <QtCore/qwaitcondition.h>
+#include <qvideosurfaceformat.h>
+#include <qvideoframe.h>
+#include <qabstractvideobuffer.h>
+
+#include "qgstvideorendererplugin_p.h"
+
+#include "qgstvideorendererplugin_p.h"
+
+QT_BEGIN_NAMESPACE
+class QAbstractVideoSurface;
+
+class QGstDefaultVideoRenderer : public QGstVideoRenderer
+{
+public:
+    QGstDefaultVideoRenderer();
+    ~QGstDefaultVideoRenderer();
+
+    GstCaps *getCaps(QAbstractVideoSurface *surface);
+    bool start(QAbstractVideoSurface *surface, GstCaps *caps);
+    void stop(QAbstractVideoSurface *surface);
+
+    bool proposeAllocation(GstQuery *query);
+
+    bool present(QAbstractVideoSurface *surface, GstBuffer *buffer);
+    void flush(QAbstractVideoSurface *surface);
+
+private:
+    QVideoSurfaceFormat m_format;
+    GstVideoInfo m_videoInfo;
+    bool m_flushed;
+};
+
+class QVideoSurfaceGstDelegate : public QObject
+{
+    Q_OBJECT
+public:
+    QVideoSurfaceGstDelegate(QAbstractVideoSurface *surface);
+    ~QVideoSurfaceGstDelegate();
+
+    GstCaps *caps();
+
+    bool start(GstCaps *caps);
+    void stop();
+    bool proposeAllocation(GstQuery *query);
+
+    void flush();
+
+    GstFlowReturn render(GstBuffer *buffer, bool show);
+
+    bool event(QEvent *event);
+
+    static void handleShowPrerollChange(GObject *o, GParamSpec *p, gpointer d);
+
+private slots:
+    bool handleEvent(QMutexLocker *locker);
+    void updateSupportedFormats();
+
+private:
+    void notify();
+    bool waitForAsyncEvent(QMutexLocker *locker, QWaitCondition *condition, unsigned long time);
+
+    QPointer<QAbstractVideoSurface> m_surface;
+
+    QMutex m_mutex;
+    QWaitCondition m_setupCondition;
+    QWaitCondition m_renderCondition;
+    GstFlowReturn m_renderReturn;
+    QList<QGstVideoRenderer *> m_renderers;
+    QGstVideoRenderer *m_renderer;
+    QGstVideoRenderer *m_activeRenderer;
+
+    GstCaps *m_surfaceCaps;
+    GstCaps *m_startCaps;
+    GstBuffer *m_lastBuffer;
+
+    bool m_notified;
+    bool m_stop;
+    bool m_render;
+    bool m_flush;
+};
+
+class QGstVideoRendererSink
+{
+public:
+    GstVideoSink parent;
+
+    static QGstVideoRendererSink *createSink(QAbstractVideoSurface *surface);
+
+private:
+    static GType get_type();
+    static void class_init(gpointer g_class, gpointer class_data);
+    static void base_init(gpointer g_class);
+    static void instance_init(GTypeInstance *instance, gpointer g_class);
+
+    static void finalize(GObject *object);
+
+    static GstStateChangeReturn change_state(GstElement *element, GstStateChange transition);
+
+    static GstCaps *get_caps(GstBaseSink *sink, GstCaps *filter);
+    static gboolean set_caps(GstBaseSink *sink, GstCaps *caps);
+
+    static gboolean propose_allocation(GstBaseSink *sink, GstQuery *query);
+
+    static GstFlowReturn preroll(GstBaseSink *sink, GstBuffer *buffer);
+    static GstFlowReturn render(GstBaseSink *sink, GstBuffer *buffer);
+
+private:
+    QVideoSurfaceGstDelegate *delegate;
+};
+
+
+class QGstVideoRendererSinkClass
+{
+public:
+    GstVideoSinkClass parent_class;
+};
+
+QT_END_NAMESPACE
+
+#endif