libavcodec/metasound.c:313: error: Uninitialized Value
  The value read from isampf was never initialized.

libavcodec/metasound.c:313:5: 
311.         tctx->mtab = &ff_metasound_mode1616;
312.         break;
313.     case (1 << 16) + (44 << 8) + 32:
         ^
314.         tctx->mtab = &ff_metasound_mode4432;
315.         break;
