lavf/id3v2: do not export empty fields.

This also avoids a memleak.

lavf/id3v2: do not export empty fields.
This also avoids a memleak.
6ad974ae · Clément Bœsch · 4fd57397 · 6ad974ae
Commit 6ad974ae authored May 12, 2012 by Clément Bœsch
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id3v2.c libavformat/id3v2.c +2 -0

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--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -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);