diff options
author | Jonas Rabbe <jonas.rabbe@nokia.com> | 2011-11-08 12:38:02 +1000 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2011-11-14 07:59:19 +0100 |
commit | 956526a9fb769acc66b376be0b051c0108a06f21 (patch) | |
tree | af4fd6da5f8d54483c1d944fa15c5bb366fbd7a8 /src/multimedia/gsttools_headers/qgstbufferpoolinterface_p.h | |
parent | 34cdc41a935766a7d773cb7e2bdb7ce27711dd9d (diff) |
Changed QVideoSurfaceGstSink to take pools from plugins
Change-Id: Iec743efc52513e2000276b9a18d1d9639c270699
Reviewed-by: Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com>
Diffstat (limited to 'src/multimedia/gsttools_headers/qgstbufferpoolinterface_p.h')
-rw-r--r-- | src/multimedia/gsttools_headers/qgstbufferpoolinterface_p.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/multimedia/gsttools_headers/qgstbufferpoolinterface_p.h b/src/multimedia/gsttools_headers/qgstbufferpoolinterface_p.h new file mode 100644 index 000000000..7dbccfdbc --- /dev/null +++ b/src/multimedia/gsttools_headers/qgstbufferpoolinterface_p.h @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QGSTBUFFERPOOLINTERFACE_P_H +#define QGSTBUFFERPOOLINTERFACE_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 <QtCore/qfactoryinterface.h> + +#include <gst/gst.h> + +const QLatin1String QGstBufferPoolPluginKey("bufferpool"); + +/*! + Abstract interface for video buffers allocation. +*/ +class QGstBufferPoolInterface : public QFactoryInterface +{ +public: + virtual ~QGstBufferPoolInterface() {} + + virtual bool isFormatSupported(const QVideoSurfaceFormat &format) const = 0; + + virtual GType bufferType() const = 0; + virtual GstBuffer *takeBuffer(const QVideoSurfaceFormat &format, GstCaps *caps) = 0; + virtual void clear() = 0; + + virtual QAbstractVideoBuffer::HandleType handleType() const = 0; + + /*! + Build an QAbstractVideoBuffer instance from compatible (mathcing gst buffer type) + GstBuffer. + + This method is called from gstreamer video sink thread. + */ + virtual QAbstractVideoBuffer *prepareVideoBuffer(GstBuffer *buffer, int bytesPerLine) = 0; +}; + +#define QGstBufferPoolInterface_iid "com.nokia.Qt.QGstBufferPoolInterface" +Q_DECLARE_INTERFACE(QGstBufferPoolInterface, QGstBufferPoolInterface_iid) + +class QGstBufferPoolPlugin : public QObject, public QGstBufferPoolInterface +{ + Q_OBJECT + Q_INTERFACES(QGstBufferPoolInterface:QFactoryInterface) +public: + explicit QGstBufferPoolPlugin(QObject *parent = 0); + virtual ~QGstBufferPoolPlugin() {} + + virtual bool isFormatSupported(const QVideoSurfaceFormat &format) const = 0; + + virtual GType bufferType() const = 0; + virtual GstBuffer *takeBuffer(const QVideoSurfaceFormat &format, GstCaps *caps) = 0; + virtual void clear() = 0; + + virtual QAbstractVideoBuffer::HandleType handleType() const = 0; + + /*! + Build an QAbstractVideoBuffer instance from compatible (mathcing gst buffer type) + GstBuffer. + + This method is called from gstreamer video sink thread. + */ + virtual QAbstractVideoBuffer *prepareVideoBuffer(GstBuffer *buffer, int bytesPerLine) = 0; + + virtual QStringList keys() const = 0; +}; + +#endif |