/* * GStreamer * Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef _GST_GL_OVERLAY_H_ #define _GST_GL_OVERLAY_H_ #include <gst/gl/gstglfilter.h> G_BEGIN_DECLS #define GST_TYPE_GL_OVERLAY (gst_gl_overlay_get_type()) #define GST_GL_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GL_OVERLAY,GstGLOverlay)) #define GST_IS_GL_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GL_OVERLAY)) #define GST_GL_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_GL_OVERLAY,GstGLOverlayClass)) #define GST_IS_GL_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_GL_OVERLAY)) #define GST_GL_OVERLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_GL_OVERLAY,GstGLOverlayClass)) typedef struct _GstGLOverlay GstGLOverlay; typedef struct _GstGLOverlayClass GstGLOverlayClass; struct _GstGLOverlay { GstGLFilter filter; /* properties */ gchar *location; gint offset_x; gint offset_y; gdouble relative_x; gdouble relative_y; gint overlay_width; gint overlay_height; gdouble alpha; /* <private> */ GstGLShader *shader; GstGLMemory *image_memory; gboolean location_has_changed; gint window_width, window_height; gint image_width, image_height; gboolean geometry_change; GLuint vao; GLuint overlay_vao; GLuint vbo; GLuint overlay_vbo; GLuint vbo_indices; GLuint attr_position; GLuint attr_texture; }; struct _GstGLOverlayClass { GstGLFilterClass filter_class; }; GType gst_gl_overlay_get_type (void); G_END_DECLS #endif /* _GST_GL_OVERLAY_H_ */