v4l2io.h

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00001 
00005 /*
00006  * Author: Steven Ludtke, 04/10/2003 (sludtke@bcm.edu)
00007  * Copyright (c) 2000-2006 Baylor College of Medicine
00008  * 
00009  * This software is issued under a joint BSD/GNU license. You may use the
00010  * source code in this file under either license. However, note that the
00011  * complete EMAN2 and SPARX software packages have some GPL dependencies,
00012  * so you are responsible for compliance with the licenses of these packages
00013  * if you opt to use BSD licensing. The warranty disclaimer below holds
00014  * in either instance.
00015  * 
00016  * This complete copyright notice must be included in any revised version of the
00017  * source code. Additional authorship citations may be added, but existing
00018  * author citations must be preserved.
00019  * 
00020  * This program is free software; you can redistribute it and/or modify
00021  * it under the terms of the GNU General Public License as published by
00022  * the Free Software Foundation; either version 2 of the License, or
00023  * (at your option) any later version.
00024  * 
00025  * This program is distributed in the hope that it will be useful,
00026  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00027  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00028  * GNU General Public License for more details.
00029  * 
00030  * You should have received a copy of the GNU General Public License
00031  * along with this program; if not, write to the Free Software
00032  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00033  * 
00034  * */
00035 
00036 #ifndef eman__v4l2_h__
00037 #define eman__v4l2_h__ 1
00038 
00039 #include "imageio.h"
00040 #include <asm/types.h>
00041 #include <linux/videodev2.h>
00042 
00043 namespace EMAN
00044 {
00049         class V4L2IO:public ImageIO
00050         {
00051         public:
00052                 explicit V4L2IO(const string & filename, IOMode rw_mode = READ_ONLY);
00053                 ~V4L2IO();
00054 
00055                 DEFINE_IMAGEIO_FUNC;
00056                 static bool is_valid(const void *first_block);
00057                 static int globalinit(const char *fsp,int input=0,int brt=-1,int cont=-1,int gamma=-1,int expos=-1,int gain=-1);
00058 
00059         private:
00060                 
00061                 char *filename;
00062                 int v4l_file;
00063 
00064                 bool initialized;
00065 
00066                 int nx;
00067                 int ny;
00068 
00069         };
00070 }
00071 
00072 #endif  //eman__pgmio_h__

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