1 /*
2  * GStreamer
3  * Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.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_GL_DEINTERLACE_H_
22 #define _GST_GL_DEINTERLACE_H_
23 
24 #include <gst/gl/gstglfilter.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_GL_DEINTERLACE            (gst_gl_deinterlace_get_type())
29 #define GST_GL_DEINTERLACE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DEINTERLACE,GstGLDeinterlace))
30 #define GST_IS_GL_DEINTERLACE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DEINTERLACE))
31 #define GST_GL_DEINTERLACE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_DEINTERLACE,GstGLDeinterlaceClass))
32 #define GST_IS_GL_DEINTERLACE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_DEINTERLACE))
33 #define GST_GL_DEINTERLACE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_DEINTERLACE,GstGLDeinterlaceClass))
34 
35 #define USING_OPENGL(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL, 1, 0))
36 
37 typedef struct _GstGLDeinterlace GstGLDeinterlace;
38 typedef struct _GstGLDeinterlaceClass GstGLDeinterlaceClass;
39 
40 struct _GstGLDeinterlace
41 {
42   GstGLFilter               filter;
43 
44   GstGLFilterRenderFunc     deinterlacefunc;
45   GHashTable               *shaderstable;
46   GstBuffer                *prev_buffer;
47   GstGLMemory *             prev_tex;
48 
49   gint	                    current_method;
50 };
51 
52 struct _GstGLDeinterlaceClass
53 {
54   GstGLFilterClass filter_class;
55 };
56 
57 GType gst_gl_deinterlace_get_type (void);
58 
59 G_END_DECLS
60 
61 #endif /* _GST_GLFILTERLAPLACIAN_H_ */
62