Files
qtmultimedia/src/qtmultimediaquicktools/qdeclarativevideooutput_render_p.h
Antti Kokko bbfccc7135 Update copyright headers
Qt copyrights are now in The Qt Company, so we could update the source
code headers accordingly. In the same go we should also fix the links to
point to qt.io.

Change-Id: I1c6faa4f59f8eca54f01ef20941fa60161dd7872
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
2015-02-12 10:27:47 +00:00

127 lines
4.4 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2012 Research In Motion
** 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 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 QAbstractVideoFilter;
class QVideoFilterRunnable;
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();
void appendFilter(QAbstractVideoFilter *filter) Q_DECL_OVERRIDE;
void clearFilters() Q_DECL_OVERRIDE;
void releaseResources() Q_DECL_OVERRIDE;
void invalidateSceneGraph() Q_DECL_OVERRIDE;
private:
void scheduleDeleteFilterResources();
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
struct Filter {
Filter() : filter(0), runnable(0) { }
Filter(QAbstractVideoFilter *filter) : filter(filter), runnable(0) { }
QAbstractVideoFilter *filter;
QVideoFilterRunnable *runnable;
};
QList<Filter> m_filters;
};
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