libavcodec/metasound.c:310: error: Uninitialized Value
  The value read from isampf was never initialized.

libavcodec/metasound.c:310:5: 
308.         tctx->mtab = &ff_metasound_mode0808;
309.         break;
310.     case (1 << 16) + (16 << 8) + 16:
         ^
311.         tctx->mtab = &ff_metasound_mode1616;
312.         break;
