1 /*
2  * GStreamer
3  * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef __GST_QSG_TEXTURE_H__
22 #define __GST_QSG_TEXTURE_H__
23 
24 #include <gst/gst.h>
25 #include <gst/video/video.h>
26 #include <gst/gl/gl.h>
27 
28 #include "gstqtgl.h"
29 #include <QtQuick/QSGTexture>
30 #include <QtGui/QOpenGLFunctions>
31 
32 class GstQSGTexture : public QSGTexture, protected QOpenGLFunctions
33 {
34     Q_OBJECT
35 public:
36     GstQSGTexture ();
37     ~GstQSGTexture ();
38 
39     void setCaps (GstCaps * caps);
40     gboolean setBuffer (GstBuffer * buffer);
41 
42     /* QSGTexture */
43     void bind ();
44     int textureId () const;
45     QSize textureSize () const;
46     bool hasAlphaChannel () const;
47     bool hasMipmaps () const;
48 
49 private:
50     GstBuffer * buffer_;
51     GstBuffer * sync_buffer_;
52     GstGLContext * qt_context_;
53     GstMemory * mem_;
54     GLuint dummy_tex_id_;
55     GstVideoInfo v_info;
56     GstVideoFrame v_frame;
57 };
58 
59 #endif /* __GST_QSG_TEXTURE_H__ */
60