FFmpeg
img2.c
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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 #include "img2.h"
26 
27 const 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_ALIAS_PIX, "pix" },
45  { AV_CODEC_ID_DDS, "dds" },
46  { AV_CODEC_ID_MPEG1VIDEO, "mpg1-img" },
47  { AV_CODEC_ID_MPEG2VIDEO, "mpg2-img" },
48  { AV_CODEC_ID_MPEG4, "mpg4-img" },
49  { AV_CODEC_ID_RAWVIDEO, "y" },
50  { AV_CODEC_ID_RAWVIDEO, "raw" },
51  { AV_CODEC_ID_BMP, "bmp" },
52  { AV_CODEC_ID_TARGA, "tga" },
53  { AV_CODEC_ID_TIFF, "tiff" },
54  { AV_CODEC_ID_TIFF, "tif" },
55  { AV_CODEC_ID_TIFF, "dng" },
56  { AV_CODEC_ID_SGI, "sgi" },
57  { AV_CODEC_ID_PTX, "ptx" },
58  { AV_CODEC_ID_PCX, "pcx" },
59  { AV_CODEC_ID_QDRAW, "pic" },
60  { AV_CODEC_ID_QDRAW, "pct" },
61  { AV_CODEC_ID_QDRAW, "pict" },
62  { AV_CODEC_ID_SUNRAST, "sun" },
63  { AV_CODEC_ID_SUNRAST, "ras" },
64  { AV_CODEC_ID_SUNRAST, "rs" },
65  { AV_CODEC_ID_SUNRAST, "im1" },
66  { AV_CODEC_ID_SUNRAST, "im8" },
67  { AV_CODEC_ID_SUNRAST, "im24" },
68  { AV_CODEC_ID_SUNRAST, "im32" },
69  { AV_CODEC_ID_SUNRAST, "sunras" },
70  { AV_CODEC_ID_SVG, "svg" },
71  { AV_CODEC_ID_SVG, "svgz" },
72  { AV_CODEC_ID_JPEG2000, "j2c" },
73  { AV_CODEC_ID_JPEG2000, "jp2" },
74  { AV_CODEC_ID_JPEG2000, "jpc" },
75  { AV_CODEC_ID_JPEG2000, "j2k" },
76  { AV_CODEC_ID_DPX, "dpx" },
77  { AV_CODEC_ID_EXR, "exr" },
78  { AV_CODEC_ID_PICTOR, "pic" },
79  { AV_CODEC_ID_V210X, "yuv10" },
80  { AV_CODEC_ID_WEBP, "webp" },
81  { AV_CODEC_ID_XBM, "xbm" },
82  { AV_CODEC_ID_XPM, "xpm" },
83  { AV_CODEC_ID_XFACE, "xface" },
84  { AV_CODEC_ID_XWD, "xwd" },
86 };
87 
88 static enum AVCodecID str2id(const IdStrMap *tags, const char *str)
89 {
90  str = strrchr(str, '.');
91  if (!str)
92  return AV_CODEC_ID_NONE;
93  str++;
94 
95  while (tags->id) {
96  if (!av_strcasecmp(str, tags->str))
97  return tags->id;
98 
99  tags++;
100  }
101  return AV_CODEC_ID_NONE;
102 }
103 
104 enum AVCodecID ff_guess_image2_codec(const char *filename)
105 {
106  return str2id(ff_img_tags, filename);
107 }
#define NULL
Definition: coverity.c:32
Definition: img2.h:67
enum AVCodecID id
Definition: img2.h:68
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
const char * str
Definition: img2.h:69
int av_strcasecmp(const char *a, const char *b)
Locale-independent case-insensitive compare.
Definition: avstring.c:213
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
static enum AVCodecID str2id(const IdStrMap *tags, const char *str)
Definition: img2.c:88
const IdStrMap ff_img_tags[]
Definition: img2.c:27
enum AVCodecID ff_guess_image2_codec(const char *filename)
Definition: img2.c:104