/*
  * Image format

  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard

  * Copyright (c) 2004 Michael Niedermayer
  *

  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or

  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

  * version 2.1 of the License, or (at your option) any later version.

  *

  * FFmpeg 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public

  * License along with FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  */

 
 #include "libavutil/avstring.h"

 #include "internal.h"

 #include "img2.h"

 const IdStrMap ff_img_tags[] = {

     { AV_CODEC_ID_MJPEG,      "jpeg"     },
     { AV_CODEC_ID_MJPEG,      "jpg"      },

     { AV_CODEC_ID_MJPEG,      "jps"      },

     { AV_CODEC_ID_MJPEG,      "mpo"      },

     { AV_CODEC_ID_LJPEG,      "ljpg"     },

     { AV_CODEC_ID_JPEGLS,     "jls"      },

     { AV_CODEC_ID_PNG,        "png"      },

     { AV_CODEC_ID_PNG,        "pns"      },

     { AV_CODEC_ID_PNG,        "mng"      },
     { AV_CODEC_ID_PPM,        "ppm"      },
     { AV_CODEC_ID_PPM,        "pnm"      },
     { AV_CODEC_ID_PGM,        "pgm"      },
     { AV_CODEC_ID_PGMYUV,     "pgmyuv"   },
     { AV_CODEC_ID_PBM,        "pbm"      },
     { AV_CODEC_ID_PAM,        "pam"      },

     { AV_CODEC_ID_ALIAS_PIX,  "pix"      },

     { AV_CODEC_ID_DDS,        "dds"      },

     { AV_CODEC_ID_MPEG1VIDEO, "mpg1-img" },
     { AV_CODEC_ID_MPEG2VIDEO, "mpg2-img" },
     { AV_CODEC_ID_MPEG4,      "mpg4-img" },
     { AV_CODEC_ID_FFV1,       "ffv1-img" },
     { AV_CODEC_ID_RAWVIDEO,   "y"        },

     { AV_CODEC_ID_RAWVIDEO,   "raw"      },

     { AV_CODEC_ID_BMP,        "bmp"      },
     { AV_CODEC_ID_TARGA,      "tga"      },
     { AV_CODEC_ID_TIFF,       "tiff"     },
     { AV_CODEC_ID_TIFF,       "tif"      },
     { AV_CODEC_ID_SGI,        "sgi"      },
     { AV_CODEC_ID_PTX,        "ptx"      },
     { AV_CODEC_ID_PCX,        "pcx"      },

     { AV_CODEC_ID_QDRAW,      "pic"      },
     { AV_CODEC_ID_QDRAW,      "pct"      },
     { AV_CODEC_ID_QDRAW,      "pict"     },

     { AV_CODEC_ID_SUNRAST,    "sun"      },
     { AV_CODEC_ID_SUNRAST,    "ras"      },
     { AV_CODEC_ID_SUNRAST,    "rs"       },
     { AV_CODEC_ID_SUNRAST,    "im1"      },
     { AV_CODEC_ID_SUNRAST,    "im8"      },
     { AV_CODEC_ID_SUNRAST,    "im24"     },

     { AV_CODEC_ID_SUNRAST,    "im32"     },

     { AV_CODEC_ID_SUNRAST,    "sunras"   },

     { AV_CODEC_ID_JPEG2000,   "j2c"      },

     { AV_CODEC_ID_JPEG2000,   "jp2"      },
     { AV_CODEC_ID_JPEG2000,   "jpc"      },

     { AV_CODEC_ID_JPEG2000,   "j2k"      },

     { AV_CODEC_ID_DPX,        "dpx"      },

     { AV_CODEC_ID_EXR,        "exr"      },

     { AV_CODEC_ID_PICTOR,     "pic"      },

     { AV_CODEC_ID_V210X,      "yuv10"    },

     { AV_CODEC_ID_WEBP,       "webp"     },

     { AV_CODEC_ID_XBM,        "xbm"      },

     { AV_CODEC_ID_XFACE,      "xface"    },

     { AV_CODEC_ID_XWD,        "xwd"      },
     { AV_CODEC_ID_NONE,       NULL       }

 };
 

 static enum AVCodecID str2id(const IdStrMap *tags, const char *str)

 {

     str = strrchr(str, '.');
     if (!str)
         return AV_CODEC_ID_NONE;

     str++;

 
     while (tags->id) {

         if (!av_strcasecmp(str, tags->str))

             return tags->id;

 
         tags++;
     }

     return AV_CODEC_ID_NONE;

 }
 

 enum AVCodecID ff_guess_image2_codec(const char *filename)

 {

     return str2id(ff_img_tags, filename);

 }