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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/legal
**
** 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 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 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.
**
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEVIDEOOUTPUT_RENDER_P_H
#define QDECLARATIVEVIDEOOUTPUT_RENDER_P_H
#include "qdeclarativevideooutput_backend_p.h"
#include "qsgvideonode_i420.h"
#include "qsgvideonode_rgb.h"
#include "qsgvideonode_texture.h"
#include <QtCore/qmutex.h>
#include <QtMultimedia/qabstractvideosurface.h>
QT_BEGIN_NAMESPACE
class QSGVideoItemSurface;
class QVideoRendererControl;
class QOpenGLContext;
class QDeclarativeVideoRendererBackend : public QDeclarativeVideoBackend
{
public:
QDeclarativeVideoRendererBackend(QDeclarativeVideoOutput *parent);
~QDeclarativeVideoRendererBackend();
bool init(QMediaService *service);
void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &changeData);
void releaseSource();
void releaseControl();
QSize nativeSize() const;
void updateGeometry();
QSGNode *updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data);
QAbstractVideoSurface *videoSurface() const;
QRectF adjustedViewport() const Q_DECL_OVERRIDE;
QOpenGLContext *glContext() const;
friend class QSGVideoItemSurface;
void present(const QVideoFrame &frame);
void stop();
private:
QPointer<QVideoRendererControl> m_rendererControl;
QList<QSGVideoNodeFactoryInterface*> m_videoNodeFactories;
QSGVideoItemSurface *m_surface;
QOpenGLContext *m_glContext;
QVideoFrame m_frame;
bool m_frameChanged;
QSGVideoNodeFactory_I420 m_i420Factory;
QSGVideoNodeFactory_RGB m_rgbFactory;
QSGVideoNodeFactory_Texture m_textureFactory;
QMutex m_frameMutex;
QRectF m_renderedRect; // Destination pixel coordinates, clipped
QRectF m_sourceTextureRect; // Source texture coordinates
};
class QSGVideoItemSurface : public QAbstractVideoSurface
{
Q_OBJECT
public:
explicit QSGVideoItemSurface(QDeclarativeVideoRendererBackend *backend, QObject *parent = 0);
~QSGVideoItemSurface();
QList<QVideoFrame::PixelFormat> supportedPixelFormats(QAbstractVideoBuffer::HandleType handleType) const;
bool start(const QVideoSurfaceFormat &format);
void stop();
bool present(const QVideoFrame &frame);
void scheduleOpenGLContextUpdate();
private slots:
void updateOpenGLContext();
private:
QDeclarativeVideoRendererBackend *m_backend;
};
QT_END_NAMESPACE
#endif
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