libavformat/mpc8.c:253: error: Uninitialized Value
  The value read from size was never initialized.

libavformat/mpc8.c:253:5: 
251.     st->start_time = 0;
252.     st->duration = c->samples / (1152 << (st->codecpar->extradata[1]&3)*2);
253.     size -= avio_tell(pb) - pos;
         ^
254. 
255.     if (pb->seekable) {
