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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company 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 AVFVIDEOFRAMERENDERER_H
+#define AVFVIDEOFRAMERENDERER_H
+
+#include <QtCore/QObject>
+#include <QtGui/QImage>
+#include <QtGui/QOpenGLContext>
+#include <QtCore/QSize>
+
+@class AVPlayerLayer;
+@class AVPlayerItemVideoOutput;
+
+QT_BEGIN_NAMESPACE
+
+class QOpenGLContext;
+class QOpenGLFramebufferObject;
+class QOpenGLShaderProgram;
+class QOffscreenSurface;
+class QAbstractVideoSurface;
+
+typedef struct __CVBuffer *CVBufferRef;
+typedef CVBufferRef CVImageBufferRef;
+typedef CVImageBufferRef CVPixelBufferRef;
+#if defined(Q_OS_IOS)
+typedef struct __CVOpenGLESTextureCache *CVOpenGLESTextureCacheRef;
+typedef CVImageBufferRef CVOpenGLESTextureRef;
+// helpers to avoid boring if def
+typedef CVOpenGLESTextureCacheRef CVOGLTextureCacheRef;
+typedef CVOpenGLESTextureRef CVOGLTextureRef;
+#define CVOGLTextureGetTarget CVOpenGLESTextureGetTarget
+#define CVOGLTextureGetName CVOpenGLESTextureGetName
+#define CVOGLTextureCacheCreate CVOpenGLESTextureCacheCreate
+#define CVOGLTextureCacheCreateTextureFromImage CVOpenGLESTextureCacheCreateTextureFromImage
+#define CVOGLTextureCacheFlush CVOpenGLESTextureCacheFlush
+#else
+typedef struct __CVOpenGLTextureCache *CVOpenGLTextureCacheRef;
+typedef CVImageBufferRef CVOpenGLTextureRef;
+// helpers to avoid boring if def
+typedef CVOpenGLTextureCacheRef CVOGLTextureCacheRef;
+typedef CVOpenGLTextureRef CVOGLTextureRef;
+#define CVOGLTextureGetTarget CVOpenGLTextureGetTarget
+#define CVOGLTextureGetName CVOpenGLTextureGetName
+#define CVOGLTextureCacheCreate CVOpenGLTextureCacheCreate
+#define CVOGLTextureCacheCreateTextureFromImage CVOpenGLTextureCacheCreateTextureFromImage
+#define CVOGLTextureCacheFlush CVOpenGLTextureCacheFlush
+#endif
+
+class AVFVideoFrameRenderer : public QObject
+{
+public:
+ AVFVideoFrameRenderer(QAbstractVideoSurface *surface, QObject *parent = 0);
+
+ virtual ~AVFVideoFrameRenderer();
+
+ void setPlayerLayer(AVPlayerLayer *layer);
+
+ CVOGLTextureRef renderLayerToTexture(AVPlayerLayer *layer);
+ QImage renderLayerToImage(AVPlayerLayer *layer);
+
+private:
+ void initRenderer();
+ CVPixelBufferRef copyPixelBufferFromLayer(AVPlayerLayer *layer, size_t& width, size_t& height);
+ CVOGLTextureRef createCacheTextureFromLayer(AVPlayerLayer *layer, size_t& width, size_t& height);
+
+ QOpenGLContext *m_glContext;
+ QOffscreenSurface *m_offscreenSurface;
+ QAbstractVideoSurface *m_surface;
+ CVOGLTextureCacheRef m_textureCache;
+ AVPlayerItemVideoOutput* m_videoOutput;
+ bool m_isContextShared;
+};
+
+QT_END_NAMESPACE
+
+#endif // AVFVIDEOFRAMERENDERER_H