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1 | /* |
2 | * Copyright (c) 2012 Stefano Sabatini | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include "config.h" | |
22 | #if HAVE_UNISTD_H | |
23 | #include <unistd.h> /* getopt */ | |
24 | #endif | |
25 | ||
26 | #include "libavutil/pixdesc.h" | |
27 | #include "libavcodec/avcodec.h" | |
28 | #include "libavutil/common.h" | |
29 | #include "libavcodec/raw.h" | |
30 | ||
31 | #undef printf | |
32 | #undef fprintf | |
33 | ||
34 | #if !HAVE_GETOPT | |
35 | #include "compat/getopt.c" | |
36 | #endif | |
37 | ||
38 | static void usage(void) | |
39 | { | |
40 | printf("Show the relationships between rawvideo pixel formats and FourCC tags.\n"); | |
41 | printf("usage: fourcc2pixfmt [OPTIONS]\n"); | |
42 | printf("\n" | |
43 | "Options:\n" | |
44 | "-l list the pixel format for each fourcc\n" | |
45 | "-L list the fourccs for each pixel format\n" | |
46 | "-p PIX_FMT given a pixel format, print the list of associated fourccs (one per line)\n" | |
47 | "-h print this help\n"); | |
48 | } | |
49 | ||
50 | static void print_pix_fmt_fourccs(enum AVPixelFormat pix_fmt, const PixelFormatTag *pix_fmt_tags, char sep) | |
51 | { | |
52 | int i; | |
53 | ||
54 | for (i = 0; pix_fmt_tags[i].pix_fmt != AV_PIX_FMT_NONE; i++) { | |
55 | if (pix_fmt_tags[i].pix_fmt == pix_fmt) { | |
56 | char buf[32]; | |
57 | av_get_codec_tag_string(buf, sizeof(buf), pix_fmt_tags[i].fourcc); | |
58 | printf("%s%c", buf, sep); | |
59 | } | |
60 | } | |
61 | } | |
62 | ||
63 | int main(int argc, char **argv) | |
64 | { | |
65 | int i, list_fourcc_pix_fmt = 0, list_pix_fmt_fourccs = 0; | |
66 | const PixelFormatTag *pix_fmt_tags = avpriv_get_raw_pix_fmt_tags(); | |
67 | const char *pix_fmt_name = NULL; | |
68 | char c; | |
69 | ||
70 | if (argc == 1) { | |
71 | usage(); | |
72 | return 0; | |
73 | } | |
74 | ||
75 | while ((c = getopt(argc, argv, "hp:lL")) != -1) { | |
76 | switch (c) { | |
77 | case 'h': | |
78 | usage(); | |
79 | return 0; | |
80 | case 'l': | |
81 | list_fourcc_pix_fmt = 1; | |
82 | break; | |
83 | case 'L': | |
84 | list_pix_fmt_fourccs = 1; | |
85 | break; | |
86 | case 'p': | |
87 | pix_fmt_name = optarg; | |
88 | break; | |
89 | case '?': | |
90 | usage(); | |
91 | return 1; | |
92 | } | |
93 | } | |
94 | ||
95 | if (list_fourcc_pix_fmt) { | |
96 | for (i = 0; pix_fmt_tags[i].pix_fmt != AV_PIX_FMT_NONE; i++) { | |
97 | char buf[32]; | |
98 | av_get_codec_tag_string(buf, sizeof(buf), pix_fmt_tags[i].fourcc); | |
99 | printf("%s: %s\n", buf, av_get_pix_fmt_name(pix_fmt_tags[i].pix_fmt)); | |
100 | } | |
101 | } | |
102 | ||
103 | if (list_pix_fmt_fourccs) { | |
104 | for (i = 0; av_pix_fmt_desc_get(i); i++) { | |
105 | const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(i); | |
106 | if (!pix_desc->name || pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL) | |
107 | continue; | |
108 | printf("%s: ", pix_desc->name); | |
109 | print_pix_fmt_fourccs(i, pix_fmt_tags, ' '); | |
110 | printf("\n"); | |
111 | } | |
112 | } | |
113 | ||
114 | if (pix_fmt_name) { | |
115 | enum AVPixelFormat pix_fmt = av_get_pix_fmt(pix_fmt_name); | |
116 | if (pix_fmt == AV_PIX_FMT_NONE) { | |
117 | fprintf(stderr, "Invalid pixel format selected '%s'\n", pix_fmt_name); | |
118 | return 1; | |
119 | } | |
120 | print_pix_fmt_fourccs(pix_fmt, pix_fmt_tags, '\n'); | |
121 | } | |
122 | ||
123 | return 0; | |
124 | } |