2 * Copyright (c) 2011 Reinhard Tartler
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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
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19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 * Shows how the metadata API can be used in application programs.
31 #include <libavformat/avformat.h>
32 #include <libavutil/dict.h>
34 int main (int argc, char **argv)
36 AVFormatContext *fmt_ctx = NULL;
37 AVDictionaryEntry *tag = NULL;
41 printf("usage: %s <input_file>\n"
42 "example program to demonstrate the use of the libavformat metadata API.\n"
47 if ((ret = avformat_open_input(&fmt_ctx, argv[1], NULL, NULL)))
50 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
51 printf("%s=%s\n", tag->key, tag->value);
53 avformat_close_input(&fmt_ctx);