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Diffstat (limited to 'src/multimedia/gsttools_headers/qgstvideorendererplugin_p.h')
-rw-r--r-- | src/multimedia/gsttools_headers/qgstvideorendererplugin_p.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/multimedia/gsttools_headers/qgstvideorendererplugin_p.h b/src/multimedia/gsttools_headers/qgstvideorendererplugin_p.h new file mode 100644 index 000000000..a9812f308 --- /dev/null +++ b/src/multimedia/gsttools_headers/qgstvideorendererplugin_p.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Jolla Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QGSTVIDEORENDERERPLUGIN_P_H +#define QGSTVIDEORENDERERPLUGIN_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 <qabstractvideobuffer.h> +#include <qvideosurfaceformat.h> +#include <QtCore/qobject.h> +#include <QtCore/qplugin.h> + +#include <gst/gst.h> + +QT_BEGIN_NAMESPACE + +class QAbstractVideoSurface; + +const QLatin1String QGstVideoRendererPluginKey("gstvideorenderer"); + +class QGstVideoRenderer +{ +public: + virtual ~QGstVideoRenderer() {} + + virtual GstCaps *getCaps(QAbstractVideoSurface *surface) = 0; + virtual bool start(QAbstractVideoSurface *surface, GstCaps *caps) = 0; + virtual void stop(QAbstractVideoSurface *surface) = 0; // surface may be null if unexpectedly deleted. + virtual bool proposeAllocation(GstQuery *query) = 0; // may be called from a thread. + + virtual bool present(QAbstractVideoSurface *surface, GstBuffer *buffer) = 0; + virtual void flush(QAbstractVideoSurface *surface) = 0; // surface may be null if unexpectedly deleted. +}; + +/* + Abstract interface for video buffers allocation. +*/ +class QGstVideoRendererInterface +{ +public: + virtual ~QGstVideoRendererInterface() {} + + virtual QGstVideoRenderer *createRenderer() = 0; +}; + +#define QGstVideoRendererInterface_iid "org.qt-project.qt.gstvideorenderer/5.4" +Q_DECLARE_INTERFACE(QGstVideoRendererInterface, QGstVideoRendererInterface_iid) + +class QGstVideoRendererPlugin : public QObject, public QGstVideoRendererInterface +{ + Q_OBJECT + Q_INTERFACES(QGstVideoRendererInterface) +public: + explicit QGstVideoRendererPlugin(QObject *parent = 0); + virtual ~QGstVideoRendererPlugin() {} + + virtual QGstVideoRenderer *createRenderer() = 0; + +}; + +QT_END_NAMESPACE + +#endif |