libavcodec/metasound.c:340: error: Uninitialized Value
  The value read from isampf was never initialized.

libavcodec/metasound.c:340:5: 
338.         tctx->mtab = &ff_metasound_mode4432s;
339.         break;
340.     case (1 << 16) + (44 << 8) + 40:
         ^
341.         tctx->mtab = &ff_metasound_mode4440;
342.         break;
