libavformat/mpc8.c:244: error: Uninitialized Value
  The value read from size was never initialized.

libavformat/mpc8.c:244:5: 
242.     st->start_time = 0;
243.     st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2);
244.     size -= avio_tell(pb) - pos;
         ^
245. 
246.     if (pb->seekable) {
