yading@10: /*
yading@10:  * Copyright (c) 2011 Reinhard Tartler
yading@10:  *
yading@10:  * Permission is hereby granted, free of charge, to any person obtaining a copy
yading@10:  * of this software and associated documentation files (the "Software"), to deal
yading@10:  * in the Software without restriction, including without limitation the rights
yading@10:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
yading@10:  * copies of the Software, and to permit persons to whom the Software is
yading@10:  * furnished to do so, subject to the following conditions:
yading@10:  *
yading@10:  * The above copyright notice and this permission notice shall be included in
yading@10:  * all copies or substantial portions of the Software.
yading@10:  *
yading@10:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
yading@10:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
yading@10:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
yading@10:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
yading@10:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
yading@10:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
yading@10:  * THE SOFTWARE.
yading@10:  */
yading@10: 
yading@10: /**
yading@10:  * @file
yading@10:  * Shows how the metadata API can be used in application programs.
yading@10:  * @example doc/examples/metadata.c
yading@10:  */
yading@10: 
yading@10: #include <stdio.h>
yading@10: 
yading@10: #include <libavformat/avformat.h>
yading@10: #include <libavutil/dict.h>
yading@10: 
yading@10: int main (int argc, char **argv)
yading@10: {
yading@10:     AVFormatContext *fmt_ctx = NULL;
yading@10:     AVDictionaryEntry *tag = NULL;
yading@10:     int ret;
yading@10: 
yading@10:     if (argc != 2) {
yading@10:         printf("usage: %s <input_file>\n"
yading@10:                "example program to demonstrate the use of the libavformat metadata API.\n"
yading@10:                "\n", argv[0]);
yading@10:         return 1;
yading@10:     }
yading@10: 
yading@10:     av_register_all();
yading@10:     if ((ret = avformat_open_input(&fmt_ctx, argv[1], NULL, NULL)))
yading@10:         return ret;
yading@10: 
yading@10:     while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
yading@10:         printf("%s=%s\n", tag->key, tag->value);
yading@10: 
yading@10:     avformat_close_input(&fmt_ctx);
yading@10:     return 0;
yading@10: }