yading@11: /*
yading@11:  * Image format
yading@11:  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
yading@11:  * Copyright (c) 2004 Michael Niedermayer
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #include "libavutil/avstring.h"
yading@11: #include "internal.h"
yading@11: 
yading@11: typedef struct {
yading@11:     enum AVCodecID id;
yading@11:     const char *str;
yading@11: } IdStrMap;
yading@11: 
yading@11: static const IdStrMap img_tags[] = {
yading@11:     { AV_CODEC_ID_MJPEG,      "jpeg"     },
yading@11:     { AV_CODEC_ID_MJPEG,      "jpg"      },
yading@11:     { AV_CODEC_ID_MJPEG,      "jps"      },
yading@11:     { AV_CODEC_ID_LJPEG,      "ljpg"     },
yading@11:     { AV_CODEC_ID_JPEGLS,     "jls"      },
yading@11:     { AV_CODEC_ID_PNG,        "png"      },
yading@11:     { AV_CODEC_ID_PNG,        "pns"      },
yading@11:     { AV_CODEC_ID_PNG,        "mng"      },
yading@11:     { AV_CODEC_ID_PPM,        "ppm"      },
yading@11:     { AV_CODEC_ID_PPM,        "pnm"      },
yading@11:     { AV_CODEC_ID_PGM,        "pgm"      },
yading@11:     { AV_CODEC_ID_PGMYUV,     "pgmyuv"   },
yading@11:     { AV_CODEC_ID_PBM,        "pbm"      },
yading@11:     { AV_CODEC_ID_PAM,        "pam"      },
yading@11:     { AV_CODEC_ID_MPEG1VIDEO, "mpg1-img" },
yading@11:     { AV_CODEC_ID_MPEG2VIDEO, "mpg2-img" },
yading@11:     { AV_CODEC_ID_MPEG4,      "mpg4-img" },
yading@11:     { AV_CODEC_ID_FFV1,       "ffv1-img" },
yading@11:     { AV_CODEC_ID_RAWVIDEO,   "y"        },
yading@11:     { AV_CODEC_ID_RAWVIDEO,   "raw"      },
yading@11:     { AV_CODEC_ID_BMP,        "bmp"      },
yading@11:     { AV_CODEC_ID_TARGA,      "tga"      },
yading@11:     { AV_CODEC_ID_TIFF,       "tiff"     },
yading@11:     { AV_CODEC_ID_TIFF,       "tif"      },
yading@11:     { AV_CODEC_ID_SGI,        "sgi"      },
yading@11:     { AV_CODEC_ID_PTX,        "ptx"      },
yading@11:     { AV_CODEC_ID_PCX,        "pcx"      },
yading@11:     { AV_CODEC_ID_BRENDER_PIX, "pix"     },
yading@11:     { AV_CODEC_ID_SUNRAST,    "sun"      },
yading@11:     { AV_CODEC_ID_SUNRAST,    "ras"      },
yading@11:     { AV_CODEC_ID_SUNRAST,    "rs"       },
yading@11:     { AV_CODEC_ID_SUNRAST,    "im1"      },
yading@11:     { AV_CODEC_ID_SUNRAST,    "im8"      },
yading@11:     { AV_CODEC_ID_SUNRAST,    "im24"     },
yading@11:     { AV_CODEC_ID_SUNRAST,    "im32"     },
yading@11:     { AV_CODEC_ID_SUNRAST,    "sunras"   },
yading@11:     { AV_CODEC_ID_JPEG2000,   "j2c"      },
yading@11:     { AV_CODEC_ID_JPEG2000,   "jp2"      },
yading@11:     { AV_CODEC_ID_JPEG2000,   "jpc"      },
yading@11:     { AV_CODEC_ID_JPEG2000,   "j2k"      },
yading@11:     { AV_CODEC_ID_DPX,        "dpx"      },
yading@11:     { AV_CODEC_ID_EXR,        "exr"      },
yading@11:     { AV_CODEC_ID_PICTOR,     "pic"      },
yading@11:     { AV_CODEC_ID_V210X,      "yuv10"    },
yading@11:     { AV_CODEC_ID_WEBP,       "webp"     },
yading@11:     { AV_CODEC_ID_XBM,        "xbm"      },
yading@11:     { AV_CODEC_ID_XFACE,      "xface"    },
yading@11:     { AV_CODEC_ID_XWD,        "xwd"      },
yading@11:     { AV_CODEC_ID_NONE,       NULL       }
yading@11: };
yading@11: 
yading@11: static enum AVCodecID av_str2id(const IdStrMap *tags, const char *str)
yading@11: {
yading@11:     str = strrchr(str, '.');
yading@11:     if (!str)
yading@11:         return AV_CODEC_ID_NONE;
yading@11:     str++;
yading@11: 
yading@11:     while (tags->id) {
yading@11:         if (!av_strcasecmp(str, tags->str))
yading@11:             return tags->id;
yading@11: 
yading@11:         tags++;
yading@11:     }
yading@11:     return AV_CODEC_ID_NONE;
yading@11: }
yading@11: 
yading@11: enum AVCodecID ff_guess_image2_codec(const char *filename)
yading@11: {
yading@11:     return av_str2id(img_tags, filename);
yading@11: }