libavformat/mpc8.c:242: error: Uninitialized Value
  The value read from size was never initialized.

libavformat/mpc8.c:242:5: 
240.     avpriv_set_pts_info(st, 32, 1152  << (st->codec->extradata[1]&3)*2, st->codec->sample_rate);
241.     st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2);
242.     size -= avio_tell(pb) - pos;
         ^
243. 
244.     if (pb->seekable) {
