basic_op.h

G.729协议压缩的语音传输程序

extern Word16 add(Word16 var1,Word16 var2);

extern Word16 abs_s(Word16 var1);

extern Word16 shl(Word16 var1,Word16 var2);

extern Word16 shr(Word16 var1,Word16 var2);

extern Word16 mult(Word16 var1,Word16 var2);

extern Word32 L_mult(Word16 var1,Word16 var2);

extern Word16 negate(Word16 var1);

extern Word16 extract_h(Word32 L_var1);

extern Word16 extract_l(Word32 L_var1);

extern Word16 round(Word32 L_var1);

extern Word32 L_mac(Word32 L_var3,Word16 L_var1,Word16 L_var2);

extern Word32 L_msu(Word32 L_var3,Word16 L_var1,Word16 L_var2);

extern Word32 L_macNs(Word32 L_var3, Word16 var1, Word16 var2);

extern Word32 L_add(Word32 L_var1, Word32 L_var2);

extern Word32 L_sub(Word32 L_var1, Word32 L_var2);

extern Word32 L_add_c(Word32 L_var1, Word32 L_var2);

extern Word32 L_sub_c(Word32 L_var1, Word32 L_var2);

extern Word32 L_negate(Word32 L_var1);

extern Word16 mult_r(Word16 var1, Word16 var2);

extern Word32 L_shl(Word32 L_var1, Word16 var2);

extern Word32 L_shr(Word32 L_var1, Word16 var2);

extern Word16 shr_r(Word16 var1, Word16 var2);

extern Word16 mac_r(Word32 L_var3, Word16 var1, Word16 var2);

extern Word16 msu_r(Word32 L_var3, Word16 var1, Word16 var2);

extern Word32 L_deposit_l(Word16 var1);

extern Word32 L_shr_r(Word32 L_var1,Word16 var2);

extern Word32 L_abs(Word32 L_var1);

extern Word32 L_sat (Word32 L_var1);

extern Word16 norm_s(Word16 var1);

extern Word16 norm_l(Word32 L_var1);

extern Word16 div_s(Word16 var1, Word16 var2);

extern Word16 sub(Word16 var1,Word16 var2);