libavcodec/metasound.c:316: error: Uninitialized Value
  The value read from isampf was never initialized.

libavcodec/metasound.c:316:5: 
314.         tctx->mtab = &ff_metasound_mode0808s;
315.         break;
316.     case (1 << 16) + (11 << 8) + 10:
         ^
317.         tctx->mtab = &ff_metasound_mode1110;
318.         break;
