libavcodec/dca.c:1503: error: Uninitialized Value
  The value read from extensions_mask was never initialized.

libavcodec/dca.c:1503:14: 
1501.     if (extensions_mask & DCA_EXT_EXSS_XLL)
1502.         s->profile = FF_PROFILE_DTS_HD_MA;
1503.     else if (extensions_mask & DCA_EXT_EXSS_XBR)
                   ^
1504.         s->profile = FF_PROFILE_DTS_HD_HRA;
1505.     else if (extensions_mask & DCA_EXT_EXSS_X96)
