#ifndef video4linux_h #define video4linux_h // video4linux.h // nono - programme du robot 2004. {{{ // // Copyright (C) 2004 Nicolas Schodet // // Robot APB Team/Efrei 2004. // Web: http://assos.efrei.fr/robot/ // Email: robot AT efrei DOT fr // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // }}} #include "image/image_loader.h" /// Class d'accés à Video4Linux. class Video4Linux : public ImageLoader { private: int fd_; int width_, height_; int bufsize_; ImageLoader::ColorSpace colorSpace_; bool rgb_; int brightness_, contrast_; int bpp_; public: /// Constructeur. Video4Linux (const char *dev, ImageLoader::ColorSpace colorSpace, int brightness = 58000); /// Destructeur. ~Video4Linux (void); /// Récupère la taille de l'image. void getSize (int &width, int &height) const { width = width_; height = height_; } /// Récupère la taille du tampon. int getBufSize (void) const { return width_ * height_ * bpp_; } /// Récupère le format de l'image. ImageLoader::ColorSpace getColorSpace (void) const { return colorSpace_; } /// Lit une image, retourne le nombre d'octets lus. int read (void *buf, int size) const; /// Calibre la caméra. void calibrate (void); protected: /// Ouvre le périphérique. void open (const char *dev); /// Ferme le périphérique. void close (void); }; #endif // video4linux_h