libavformat/id3v2.c:232: error: Uninitialized Value
  The value read from tflags was never initialized.

libavformat/id3v2.c:232:13: 
230.         }
231. 
232.         if (tflags & (ID3v2_FLAG_ENCRYPTION | ID3v2_FLAG_COMPRESSION)) {
                 ^
233.             av_log(s, AV_LOG_WARNING, "Skipping encrypted/compressed ID3v2 frame %s.\n", tag);
234.             url_fskip(s->pb, tlen);
