libavcodec/metasound.c:346: error: Uninitialized Value
  The value read from isampf was never initialized.

libavcodec/metasound.c:346:5: 
344.         tctx->mtab = &ff_metasound_mode4440s;
345.         break;
346.     case (1 << 16) + (44 << 8) + 48:
         ^
347.         tctx->mtab = &ff_metasound_mode4448;
348.         break;
