oper_32b.h

G.729协议压缩的语音传输程序

extern void L_Extract(Word32 L_32, Word16 *hi, Word16 *lo);

extern Word32 L_Comp(Word16 hi, Word16 lo);

extern Word32 Mpy_32(Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2);

extern Word32 Mpy_32_16(Word16 hi, Word16 lo, Word16 n);

extern Word32 Div_32(Word32 L_num, Word16 denom_hi, Word16 denom_lo);