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/*
* 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>
#include <gst/gl/gstglfuncs.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;
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_ */
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