Fawkes API Fawkes Development Version
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00001 00002 /*************************************************************************** 00003 * v4l1.h - This header defines a Video4Linux cam 00004 * 00005 * Generated: Fri Mar 11 17:46:31 2005 00006 * Copyright 2005 Tim Niemueller [www.niemueller.de] 00007 * 00008 ****************************************************************************/ 00009 00010 /* This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. A runtime exception applies to 00014 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00015 * 00016 * This program is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Library General Public License for more details. 00020 * 00021 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00022 */ 00023 00024 #ifndef __FIREVISION_CAMS_V4L1_H_ 00025 #define __FIREVISION_CAMS_V4L1_H_ 00026 00027 #include <cams/camera.h> 00028 00029 namespace firevision { 00030 #if 0 /* just to make Emacs auto-indent happy */ 00031 } 00032 #endif 00033 00034 class CameraArgumentParser; 00035 class V4L1CameraData; 00036 00037 class V4L1Camera : public Camera 00038 { 00039 friend class V4LCamera; 00040 00041 public: 00042 V4L1Camera(const char *device_name = "/dev/video0"); 00043 V4L1Camera(const CameraArgumentParser *cap); 00044 virtual ~V4L1Camera(); 00045 00046 virtual void open(); 00047 virtual void start(); 00048 virtual void stop(); 00049 virtual void close(); 00050 virtual void flush(); 00051 virtual void capture(); 00052 virtual void print_info(); 00053 virtual bool ready(); 00054 00055 virtual unsigned char* buffer(); 00056 virtual unsigned int buffer_size(); 00057 virtual void dispose_buffer(); 00058 00059 virtual unsigned int pixel_width(); 00060 virtual unsigned int pixel_height(); 00061 virtual colorspace_t colorspace(); 00062 00063 virtual void set_image_number(unsigned int n); 00064 00065 protected: 00066 V4L1Camera(const char *device_name, int dev); 00067 00068 private: 00069 virtual void post_open(); 00070 00071 private: 00072 00073 static const int MMAP = 1; 00074 static const int READ = 2; 00075 00076 V4L1CameraData *__data; 00077 00078 bool opened; 00079 bool started; 00080 00081 int capture_method; 00082 00083 int dev; 00084 unsigned char *frame_buffer; 00085 00086 00087 }; 00088 00089 } // end namespace firevision 00090 00091 #endif