lavf/id3v2: do not export empty fields.

This also avoids a memleak.
This commit is contained in:
Clément Bœsch 2012-05-12 22:31:11 +02:00
parent 4fd573970a
commit 6ad974ae1c

View File

@ -303,6 +303,8 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const cha
}
else if (*dst)
dict_flags |= AV_DICT_DONT_STRDUP_VAL;
else
av_freep(&dst);
if (dst)
av_dict_set(&s->metadata, key, dst, dict_flags);