xref: /third_party/ffmpeg/libavformat/img2.c (revision cabdff1a)
1/*
2 * Image format
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 * Copyright (c) 2004 Michael Niedermayer
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23#include "libavutil/avstring.h"
24#include "internal.h"
25#include "img2.h"
26
27const IdStrMap ff_img_tags[] = {
28    { AV_CODEC_ID_MJPEG,      "jpeg"     },
29    { AV_CODEC_ID_MJPEG,      "jpg"      },
30    { AV_CODEC_ID_MJPEG,      "jps"      },
31    { AV_CODEC_ID_MJPEG,      "mpo"      },
32    { AV_CODEC_ID_LJPEG,      "ljpg"     },
33    { AV_CODEC_ID_JPEGLS,     "jls"      },
34    { AV_CODEC_ID_PNG,        "png"      },
35    { AV_CODEC_ID_PNG,        "pns"      },
36    { AV_CODEC_ID_PNG,        "mng"      },
37    { AV_CODEC_ID_PPM,        "ppm"      },
38    { AV_CODEC_ID_PPM,        "pnm"      },
39    { AV_CODEC_ID_PGM,        "pgm"      },
40    { AV_CODEC_ID_PGMYUV,     "pgmyuv"   },
41    { AV_CODEC_ID_PBM,        "pbm"      },
42    { AV_CODEC_ID_PAM,        "pam"      },
43    { AV_CODEC_ID_PFM,        "pfm"      },
44    { AV_CODEC_ID_PHM,        "phm"      },
45    { AV_CODEC_ID_CRI,        "cri"      },
46    { AV_CODEC_ID_ALIAS_PIX,  "pix"      },
47    { AV_CODEC_ID_DDS,        "dds"      },
48    { AV_CODEC_ID_MPEG1VIDEO, "mpg1-img" },
49    { AV_CODEC_ID_MPEG2VIDEO, "mpg2-img" },
50    { AV_CODEC_ID_MPEG4,      "mpg4-img" },
51    { AV_CODEC_ID_RAWVIDEO,   "y"        },
52    { AV_CODEC_ID_RAWVIDEO,   "raw"      },
53    { AV_CODEC_ID_BMP,        "bmp"      },
54    { AV_CODEC_ID_TARGA,      "tga"      },
55    { AV_CODEC_ID_TIFF,       "tiff"     },
56    { AV_CODEC_ID_TIFF,       "tif"      },
57    { AV_CODEC_ID_TIFF,       "dng"      },
58    { AV_CODEC_ID_SGI,        "sgi"      },
59    { AV_CODEC_ID_PTX,        "ptx"      },
60    { AV_CODEC_ID_PHOTOCD,    "pcd"      },
61    { AV_CODEC_ID_PCX,        "pcx"      },
62    { AV_CODEC_ID_QDRAW,      "pic"      },
63    { AV_CODEC_ID_QDRAW,      "pct"      },
64    { AV_CODEC_ID_QDRAW,      "pict"     },
65    { AV_CODEC_ID_SUNRAST,    "sun"      },
66    { AV_CODEC_ID_SUNRAST,    "ras"      },
67    { AV_CODEC_ID_SUNRAST,    "rs"       },
68    { AV_CODEC_ID_SUNRAST,    "im1"      },
69    { AV_CODEC_ID_SUNRAST,    "im8"      },
70    { AV_CODEC_ID_SUNRAST,    "im24"     },
71    { AV_CODEC_ID_SUNRAST,    "im32"     },
72    { AV_CODEC_ID_SUNRAST,    "sunras"   },
73    { AV_CODEC_ID_SVG,        "svg"      },
74    { AV_CODEC_ID_SVG,        "svgz"     },
75    { AV_CODEC_ID_JPEG2000,   "j2c"      },
76    { AV_CODEC_ID_JPEG2000,   "jp2"      },
77    { AV_CODEC_ID_JPEG2000,   "jpc"      },
78    { AV_CODEC_ID_JPEG2000,   "j2k"      },
79    { AV_CODEC_ID_DPX,        "dpx"      },
80    { AV_CODEC_ID_EXR,        "exr"      },
81    { AV_CODEC_ID_PICTOR,     "pic"      },
82    { AV_CODEC_ID_V210X,      "yuv10"    },
83    { AV_CODEC_ID_WEBP,       "webp"     },
84    { AV_CODEC_ID_XBM,        "xbm"      },
85    { AV_CODEC_ID_XPM,        "xpm"      },
86    { AV_CODEC_ID_XFACE,      "xface"    },
87    { AV_CODEC_ID_XWD,        "xwd"      },
88    { AV_CODEC_ID_GEM,        "img"      },
89    { AV_CODEC_ID_GEM,        "ximg"     },
90    { AV_CODEC_ID_GEM,        "timg"     },
91    { AV_CODEC_ID_VBN,        "vbn"      },
92    { AV_CODEC_ID_JPEGXL,     "jxl"      },
93    { AV_CODEC_ID_QOI,        "qoi"      },
94    { AV_CODEC_ID_NONE,       NULL       }
95};
96
97static enum AVCodecID str2id(const IdStrMap *tags, const char *str)
98{
99    str = strrchr(str, '.');
100    if (!str)
101        return AV_CODEC_ID_NONE;
102    str++;
103
104    while (tags->id) {
105        if (!av_strcasecmp(str, tags->str))
106            return tags->id;
107
108        tags++;
109    }
110    return AV_CODEC_ID_NONE;
111}
112
113enum AVCodecID ff_guess_image2_codec(const char *filename)
114{
115    return str2id(ff_img_tags, filename);
116}
117