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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 | ||
26 | typedef struct { | |
27 | enum AVCodecID id; | |
28 | const char *str; | |
29 | } IdStrMap; | |
30 | ||
31 | static const IdStrMap img_tags[] = { | |
32 | { AV_CODEC_ID_MJPEG, "jpeg" }, | |
33 | { AV_CODEC_ID_MJPEG, "jpg" }, | |
34 | { AV_CODEC_ID_MJPEG, "jps" }, | |
35 | { AV_CODEC_ID_MJPEG, "mpo" }, | |
36 | { AV_CODEC_ID_LJPEG, "ljpg" }, | |
37 | { AV_CODEC_ID_JPEGLS, "jls" }, | |
38 | { AV_CODEC_ID_PNG, "png" }, | |
39 | { AV_CODEC_ID_PNG, "pns" }, | |
40 | { AV_CODEC_ID_PNG, "mng" }, | |
41 | { AV_CODEC_ID_PPM, "ppm" }, | |
42 | { AV_CODEC_ID_PPM, "pnm" }, | |
43 | { AV_CODEC_ID_PGM, "pgm" }, | |
44 | { AV_CODEC_ID_PGMYUV, "pgmyuv" }, | |
45 | { AV_CODEC_ID_PBM, "pbm" }, | |
46 | { AV_CODEC_ID_PAM, "pam" }, | |
47 | { AV_CODEC_ID_ALIAS_PIX, "pix" }, | |
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_FFV1, "ffv1-img" }, | |
52 | { AV_CODEC_ID_RAWVIDEO, "y" }, | |
53 | { AV_CODEC_ID_RAWVIDEO, "raw" }, | |
54 | { AV_CODEC_ID_BMP, "bmp" }, | |
55 | { AV_CODEC_ID_TARGA, "tga" }, | |
56 | { AV_CODEC_ID_TIFF, "tiff" }, | |
57 | { AV_CODEC_ID_TIFF, "tif" }, | |
58 | { AV_CODEC_ID_SGI, "sgi" }, | |
59 | { AV_CODEC_ID_PTX, "ptx" }, | |
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60 | { AV_CODEC_ID_PCX, "pcx" }, |
61 | { AV_CODEC_ID_SUNRAST, "sun" }, | |
62 | { AV_CODEC_ID_SUNRAST, "ras" }, | |
63 | { AV_CODEC_ID_SUNRAST, "rs" }, | |
64 | { AV_CODEC_ID_SUNRAST, "im1" }, | |
65 | { AV_CODEC_ID_SUNRAST, "im8" }, | |
66 | { AV_CODEC_ID_SUNRAST, "im24" }, | |
67 | { AV_CODEC_ID_SUNRAST, "im32" }, | |
68 | { AV_CODEC_ID_SUNRAST, "sunras" }, | |
69 | { AV_CODEC_ID_JPEG2000, "j2c" }, | |
70 | { AV_CODEC_ID_JPEG2000, "jp2" }, | |
71 | { AV_CODEC_ID_JPEG2000, "jpc" }, | |
72 | { AV_CODEC_ID_JPEG2000, "j2k" }, | |
73 | { AV_CODEC_ID_DPX, "dpx" }, | |
74 | { AV_CODEC_ID_EXR, "exr" }, | |
75 | { AV_CODEC_ID_PICTOR, "pic" }, | |
76 | { AV_CODEC_ID_V210X, "yuv10" }, | |
77 | { AV_CODEC_ID_WEBP, "webp" }, | |
78 | { AV_CODEC_ID_XBM, "xbm" }, | |
79 | { AV_CODEC_ID_XFACE, "xface" }, | |
80 | { AV_CODEC_ID_XWD, "xwd" }, | |
81 | { AV_CODEC_ID_NONE, NULL } | |
82 | }; | |
83 | ||
84 | static enum AVCodecID av_str2id(const IdStrMap *tags, const char *str) | |
85 | { | |
86 | str = strrchr(str, '.'); | |
87 | if (!str) | |
88 | return AV_CODEC_ID_NONE; | |
89 | str++; | |
90 | ||
91 | while (tags->id) { | |
92 | if (!av_strcasecmp(str, tags->str)) | |
93 | return tags->id; | |
94 | ||
95 | tags++; | |
96 | } | |
97 | return AV_CODEC_ID_NONE; | |
98 | } | |
99 | ||
100 | enum AVCodecID ff_guess_image2_codec(const char *filename) | |
101 | { | |
102 | return av_str2id(img_tags, filename); | |
103 | } |