gsm0610_lpc.c File Reference

#include <assert.h>
#include <inttypes.h>
#include "floating_fudge.h"
#include <stdlib.h>
#include <memory.h>
#include "spandsp/telephony.h"
#include "spandsp/bitstream.h"
#include "spandsp/bit_operations.h"
#include "spandsp/saturated.h"
#include "spandsp/vector_int.h"
#include "spandsp/gsm0610.h"
#include "gsm0610_local.h"

Defines
#define	STEP(A, B, MAC, MIC)
Functions
int16_t	gsm0610_norm (int32_t x)
void	gsm0610_lpc_analysis (gsm0610_state_t *s, int16_t amp[GSM0610_FRAME_LEN], int16_t LARc[8])

---

Detailed Description

---

Define Documentation

#define STEP	(	A,
		B,
		MAC,
		MIC		)

Value:

temp = saturated_mul16(A, *LAR);                        \
        temp = saturated_add16(temp, B);                        \
        temp = saturated_add16(temp, 256);                      \
        temp >>= 9;                                             \
        *LAR  = (int16_t) ((temp > MAC)                         \
                         ?                                      \
                         MAC - MIC                              \
                         :                                      \
                         ((temp < MIC)  ?  0  :  temp - MIC));  \
        LAR++;