#include <stdlib.h>
#include <unistd.h>
#include <inttypes.h>
#include <string.h>
#include <stdio.h>
#include "spandsp/alaw_ulaw.h"
#include "spandsp/echo.h"
#include "spandsp/mmx.h"
Defines | |
#define | NULL (void *) 0 |
#define | FALSE 0 |
#define | TRUE (!FALSE) |
#define | MIN_TX_POWER_FOR_ADAPTION 64*64 |
#define | MIN_RX_POWER_FOR_ADAPTION 64*64 |
Functions | |
echo_can_state_t * | echo_can_create (int len, int adaption_mode) |
void | echo_can_free (echo_can_state_t *ec) |
void | echo_can_adaption_mode (echo_can_state_t *ec, int adaption_mode) |
void | echo_can_flush (echo_can_state_t *ec) |
int16_t | echo_can_update (echo_can_state_t *ec, int16_t tx, int16_t rx) |
Variables | |
int | sample_no = 0 |
void echo_can_adaption_mode | ( | echo_can_state_t * | ec, | |
int | adaption_mode | |||
) |
Set the adaption mode of a voice echo canceller context.
ec | The echo canceller context. | |
adapt | The mode. |
echo_can_state_t* echo_can_create | ( | int | len, | |
int | adaption_mode | |||
) |
Create a voice echo canceller context.
len | The length of the canceller, in samples. |
void echo_can_flush | ( | echo_can_state_t * | ec | ) |
Flush (reinitialise) a voice echo canceller context.
ec | The echo canceller context. |
void echo_can_free | ( | echo_can_state_t * | ec | ) |
Free a voice echo canceller context.
ec | The echo canceller context. |
int16_t echo_can_update | ( | echo_can_state_t * | ec, | |
int16_t | tx, | |||
int16_t | rx | |||
) |
Process a sample through a voice echo canceller.
ec | The echo canceller context. | |
tx | The transmitted audio sample. | |
rx | The received audio sample. |