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modem_echo.c File Reference

#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <stdio.h>
#include "floating_fudge.h"
#include "spandsp/telephony.h"
#include "spandsp/bit_operations.h"
#include "spandsp/dc_restore.h"
#include "spandsp/modem_echo.h"

Functions

 SPAN_DECLARE (modem_echo_can_state_t *)
 SPAN_DECLARE (void)
 Cleanup a T.30 context if the call terminates.
 SPAN_DECLARE (int16_t)
 Release a V.8 context.

Detailed Description


Function Documentation

SPAN_DECLARE int16_t   ) 
 

Release a V.8 context.

Parameters:
s The ADSI receive context.
amp The audio sample buffer.
len The number of samples in the buffer.
Returns:
The number of samples unprocessed.

SPAN_DECLARE void   ) 
 

Cleanup a T.30 context if the call terminates.

Parameters:
s The ADSI transmit context.

SPAN_DECLARE modem_echo_can_state_t  ) 
 

Create a modem echo canceller context.

Parameters:
len The length of the canceller, in samples. eturn The new canceller context, or NULL if the canceller could not be created.


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