| /* |
| * Copyright (c) 2011 Reinhard Tartler |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| /** |
| * @file |
| * Shows how the metadata API can be used in application programs. |
| * @example metadata.c |
| */ |
| |
| #include <stdio.h> |
| |
| #include <libavformat/avformat.h> |
| #include <libavutil/dict.h> |
| |
| int main (int argc, char **argv) |
| { |
| AVFormatContext *fmt_ctx = NULL; |
| AVDictionaryEntry *tag = NULL; |
| int ret; |
| |
| if (argc != 2) { |
| printf("usage: %s <input_file>\n" |
| "example program to demonstrate the use of the libavformat metadata API.\n" |
| "\n", argv[0]); |
| return 1; |
| } |
| |
| if ((ret = avformat_open_input(&fmt_ctx, argv[1], NULL, NULL))) |
| return ret; |
| |
| while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) |
| printf("%s=%s\n", tag->key, tag->value); |
| |
| avformat_close_input(&fmt_ctx); |
| return 0; |
| } |