libavcodec/metasound.c:349: error: Uninitialized Value
  The value read from isampf was never initialized.

libavcodec/metasound.c:349:5: 
347.         tctx->mtab = &ff_metasound_mode4448;
348.         break;
349.     case (2 << 16) + (44 << 8) + 48:
         ^
350.         tctx->mtab = &ff_metasound_mode4448s;
351.         break;
