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asfdec: do not export empty metadata 

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Alexandra Hájková 2015-07-27 19:42:15 +02:00 committed by Anton Khirnov
parent 3e853ff7ac
commit 78491fe8cf
1 changed files with 4 additions and 2 deletions
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6
libavformat/asfdec.c
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@ -256,8 +256,10 @@ static int asf_read_metadata(AVFormatContext *s, const char *title, uint16_t len
AVIOContext *pb = s->pb;
avio_get_str16le(pb, len, ch, buflen);
if (av_dict_set(&s->metadata, title, ch, 0) < 0)
av_log(s, AV_LOG_WARNING, "av_dict_set failed.\n");
if (ch[0]) {
if (av_dict_set(&s->metadata, title, ch, 0) < 0)
av_log(s, AV_LOG_WARNING, "av_dict_set failed.\n");
}
return 0;
}