00001
00002 /***************************************************************************
00003  *  jpeg.h - JPEG Reader
00004  *
00005  *  Generated: Sun Jun 04 23:18:06 2006 (watching Terminator 2)
00006  *  Copyright  2005-2007  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_UTILS_READERS_JPEG_H_
00025 #define __FIREVISION_UTILS_READERS_JPEG_H_
00026 
00027 #include <fvutils/readers/reader.h>
00028
00029 #include <cstdio>
00030 extern "C" {
00031 #include <jpeglib.h>
00032 }
00033
00034 class JpegReader : public Reader {
00035
00036  public:
00037   JpegReader(const char *filename);
00038   virtual ~JpegReader();
00039
00040   virtual void             set_buffer(unsigned char *yuv422planar_buffer);
00041   virtual colorspace_t     colorspace();
00042   virtual unsigned int     pixel_width();
00043   virtual unsigned int     pixel_height();
00044   virtual void             read();
00045
00046  private:
00047   bool opened;
00048
00049   unsigned char *buffer;
00050   unsigned char *row_buffer;
00051
00052   FILE *infile;
00053   int row_stride;
00054   struct jpeg_decompress_struct cinfo;
00055   struct jpeg_error_mgr         jerr;
00056 };
00057
00058
00059 #endif