1 /* 2 * GStreamer 3 * Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@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_DIFFERENCEMATTE_H_ 22 #define _GST_GL_DIFFERENCEMATTE_H_ 23 24 #include <gst/gl/gstglfilter.h> 25 26 #define GST_TYPE_GL_DIFFERENCEMATTE (gst_gl_differencematte_get_type()) 27 #define GST_GL_DIFFERENCEMATTE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GL_DIFFERENCEMATTE,GstGLDifferenceMatte)) 28 #define GST_IS_GL_DIFFERENCEMATTE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GL_DIFFERENCEMATTE)) 29 #define GST_GL_DIFFERENCEMATTE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_GL_DIFFERENCEMATTE,GstGLDifferenceMatteClass)) 30 #define GST_IS_GL_DIFFERENCEMATTE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_GL_DIFFERENCEMATTE)) 31 #define GST_GL_DIFFERENCEMATTE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_GL_DIFFERENCEMATTE,GstGLDifferenceMatteClass)) 32 33 typedef struct _GstGLDifferenceMatte GstGLDifferenceMatte; 34 typedef struct _GstGLDifferenceMatteClass GstGLDifferenceMatteClass; 35 36 struct _GstGLDifferenceMatte 37 { 38 GstGLFilter filter; 39 40 GstGLShader *identity_shader; 41 GstGLShader *shader[4]; 42 43 gchar *location; 44 gboolean bg_has_changed; 45 46 guchar *pixbuf; 47 gint pbuf_width, pbuf_height; 48 GstGLMemory *savedbgtexture; 49 GstGLMemory *newbgtexture; 50 GstGLMemory *midtexture[4]; 51 GstGLMemory *intexture; 52 float kernel[7]; 53 }; 54 55 struct _GstGLDifferenceMatteClass 56 { 57 GstGLFilterClass filter_class; 58 }; 59 60 GType gst_gl_differencematte_get_type (void); 61 62 #endif /* _GST_GL_DIFFERENCEMATTE_H_ */ 63