37 static unsigned char	ulaw_encode (int sample) ;
188 unsigned char ulaw_encode (int sample)  in ulaw_encode()  argument
212 	sign = (sample >> 8) & 0x80 ;					/* set aside the sign */  in ulaw_encode()
214 		sample = -sample ;							/* get magnitude */  in ulaw_encode()
215 	if (sample > uCLIP)  in ulaw_encode()
216 		sample = uCLIP ;							/* clip the magnitude */  in ulaw_encode()
219 	sample = sample + uBIAS ;  in ulaw_encode()
220 	exponent = exp_lut [(sample >> 7) & 0xFF] ;  in ulaw_encode()
221 	mantissa = (sample >> (exponent + 3)) & 0x0F ;  in ulaw_encode()
247 	int sign, exponent, mantissa, sample ;  in ulaw_decode()  local
253 	sample = exp_lut [exponent] + (mantissa << (exponent + 3)) ;  in ulaw_decode()
255 		sample = -sample ;  in ulaw_decode()
257 	return sample ;  in ulaw_decode()