number_free_bits_in_byte  451 libde265/cabac.cc   int nZeros = number_free_bits_in_byte();
number_free_bits_in_byte   73 libde265/cabac.h   virtual int  number_free_bits_in_byte() const = 0;
number_free_bits_in_byte  119 libde265/cabac.h   virtual int  number_free_bits_in_byte() const;
number_free_bits_in_byte  183 libde265/cabac.h   virtual int  number_free_bits_in_byte() const { return 0; } // TODO, good enough for now