Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * Copyright (c) 2011 Reinhard Tartler | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
20 | * THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | /** | |
24 | * @file | |
25 | * Shows how the metadata API can be used in application programs. | |
26 | * @example metadata.c | |
27 | */ | |
28 | ||
29 | #include <stdio.h> | |
30 | ||
31 | #include <libavformat/avformat.h> | |
32 | #include <libavutil/dict.h> | |
33 | ||
34 | int main (int argc, char **argv) | |
35 | { | |
36 | AVFormatContext *fmt_ctx = NULL; | |
37 | AVDictionaryEntry *tag = NULL; | |
38 | int ret; | |
39 | ||
40 | if (argc != 2) { | |
41 | printf("usage: %s <input_file>\n" | |
42 | "example program to demonstrate the use of the libavformat metadata API.\n" | |
43 | "\n", argv[0]); | |
44 | return 1; | |
45 | } | |
46 | ||
47 | av_register_all(); | |
48 | if ((ret = avformat_open_input(&fmt_ctx, argv[1], NULL, NULL))) | |
49 | return ret; | |
50 | ||
51 | while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) | |
52 | printf("%s=%s\n", tag->key, tag->value); | |
53 | ||
54 | avformat_close_input(&fmt_ctx); | |
55 | return 0; | |
56 | } |