libavcodec/dca.c:1522: error: Uninitialized Value
  The value read from extensions_mask was never initialized.

libavcodec/dca.c:1522:11: 
1520.         s->profile = FF_PROFILE_DTS_HD_HRA;
1521. 
1522.     if (!(extensions_mask & DCA_EXT_CORE))
                ^
1523.         av_log(s->avctx, AV_LOG_WARNING, "DTS core detection mismatch.\n");
1524.     if ((extensions_mask & DCA_CORE_EXTS) != s->core_ext_mask)
