libavformat/id3v2.c:206: error: Uninitialized Value
  The value read from tflags was never initialized.

libavformat/id3v2.c:206:13: 
204.         }
205. 
206.         if (tflags & (ID3v2_FLAG_ENCRYPTION | ID3v2_FLAG_COMPRESSION)) {
                 ^
207.             av_log(s, AV_LOG_WARNING, "Skipping encrypted/compressed ID3v2 frame %s.\n", tag);
208.             avio_seek(s->pb, tlen, SEEK_CUR);
