37 static unsigned char	alaw_encode (int sample) ;
174 unsigned char alaw_encode (int sample)  in alaw_encode()  argument
198 	sign = ((~sample) >> 8) & 0x80 ;			/* set aside the sign */  in alaw_encode()
200 		sample = -sample ;		/* get magnitude */  in alaw_encode()
201 	if (sample > ACLIP)  in alaw_encode()
202 		sample = ACLIP ;						/* clip the magnitude */  in alaw_encode()
205 	if (sample >= 256)  in alaw_encode()
206 	{	exponent = exp_lut [(sample >> 8) & 0x7F] ;  in alaw_encode()
207 		mantissa = (sample >> (exponent + 3)) & 0x0F ;  in alaw_encode()
211 		Alawbyte = (sample >> 4) ;  in alaw_encode()
221 	int sign, exponent, mantissa, sample ;  in alaw_decode()  local
229 		sample = exp_lut [exponent] + (mantissa << (exponent + 3)) ;  in alaw_decode()
232 		sample = (Alawbyte << 4) + 8 ;  in alaw_decode()
234 		sample = -sample ;  in alaw_decode()
236 	return sample ;  in alaw_decode()