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 GstBuffer * getBuffer (gboolean * was_bound); 42 43 /* QSGTexture */ 44 void bind (); 45 int textureId () const; 46 QSize textureSize () const; 47 bool hasAlphaChannel () const; 48 bool hasMipmaps () const; 49 50 private: 51 GstBuffer * buffer_; 52 gboolean buffer_was_bound; 53 GstBuffer * sync_buffer_; 54 GWeakRef qt_context_ref_; 55 GstMemory * mem_; 56 GLuint dummy_tex_id_; 57 GstVideoInfo v_info; 58 GstVideoFrame v_frame; 59 }; 60 61 #endif /* __GST_QSG_TEXTURE_H__ */ 62