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doc/examples/metadata: fix the example can't dump FLV metadata 

fix the example can't dump FLV metadata.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
This commit is contained in:
Jun Zhao 2019-04-03 09:13:52 +08:00
parent d234ed7633
commit 7c1875143d
1 changed files with 5 additions and 0 deletions
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doc/examples/metadata.c
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@ -47,6 +47,11 @@ int main (int argc, char **argv)
if ((ret = avformat_open_input(&fmt_ctx, argv[1], NULL, NULL)))
return ret;
if ((ret = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
av_log(NULL, AV_LOG_ERROR, "Cannot find stream information\n");
return ret;
}
while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
printf("%s=%s\n", tag->key, tag->value);