libavformat/id3v2.c:252: error: Uninitialized Value
  The value read from tflags was never initialized.

libavformat/id3v2.c:252:13: 
250.         }
251. 
252.         if (tflags & (ID3v2_FLAG_ENCRYPTION | ID3v2_FLAG_COMPRESSION)) {
                 ^
253.             av_log(s, AV_LOG_WARNING, "Skipping encrypted/compressed ID3v2 frame %s.\n", tag);
254.             avio_skip(s->pb, tlen);
