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dds_float.c File Reference

#include <stdio.h>
#include <inttypes.h>
#include "floating_fudge.h"
#include "spandsp/telephony.h"
#include "spandsp/complex.h"
#include "spandsp/dds.h"

Defines

#define SLENK   11
#define SINELEN   (1 << SLENK)

Functions

 SPAN_DECLARE (int32_t)
 Release a V.8 context.
 SPAN_DECLARE (float)
 Evaluate the final result of a Goertzel transform.
 SPAN_DECLARE (void)
 Cleanup a T.30 context if the call terminates.
 SPAN_DECLARE (complexf_t)

Detailed Description


Function Documentation

SPAN_DECLARE void   ) 
 

Cleanup a T.30 context if the call terminates.

Parameters:
s The ADSI transmit context.

SPAN_DECLARE float   ) 
 

Evaluate the final result of a Goertzel transform.

Parameters:
phase_rate The phase rate.
Returns:
The equivalent frequency, in Hz.

SPAN_DECLARE int32_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.


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