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+/*
+ Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+ Copyright (C) 2013 basysKom GmbH <info@basyskom.com>
+ Copyright (C) 2013 Collabora Ltd. <info@collabora.com>
+
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License version 2.1
+ as published by the Free Software Foundation.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef VIDEOMATERIAL_H
+#define VIDEOMATERIAL_H
+
+#include "../utils/bufferformat.h"
+#include <QSize>
+#include <QMutex>
+#include <QMatrix4x4>
+
+#include <QtQuick/QSGMaterial>
+
+class VideoMaterialShader;
+
+class VideoMaterial : public QSGMaterial
+{
+public:
+ static VideoMaterial *create(const BufferFormat & format);
+
+ virtual ~VideoMaterial();
+
+ virtual int compare(const QSGMaterial *other) const;
+
+ void setCurrentFrame(GstBuffer *buffer);
+ void updateColors(int brightness, int contrast, int hue, int saturation);
+
+ void bind();
+
+protected:
+ VideoMaterial();
+ void initRgbTextureInfo(GLenum internalFormat, GLuint format,
+ GLenum type, const QSize &size);
+ void initYuv420PTextureInfo(bool uvSwapped, const QSize &size);
+ void init(GstVideoColorMatrix colorMatrixType);
+
+private:
+ void bindTexture(int i, const quint8 *data);
+
+
+ GstBuffer *m_frame;
+ QMutex m_frameMutex;
+
+ static const int Num_Texture_IDs = 3;
+ int m_textureCount;
+ GLuint m_textureIds[Num_Texture_IDs];
+ int m_textureWidths[Num_Texture_IDs];
+ int m_textureHeights[Num_Texture_IDs];
+ int m_textureOffsets[Num_Texture_IDs];
+ QSize m_textureSize;
+
+ GstVideoFormat m_format;
+ GLenum m_textureFormat;
+ GLuint m_textureInternalFormat;
+ GLenum m_textureType;
+
+ QMatrix4x4 m_colorMatrix;
+ GstVideoColorMatrix m_colorMatrixType;
+
+ friend class VideoMaterialShader;
+};
+
+#endif // VIDEOMATERIAL_H