g722_decode.c File Reference

#include <inttypes.h>
#include <memory.h>
#include <stdlib.h>
#include "spandsp/telephony.h"
#include "spandsp/dc_restore.h"
#include "spandsp/g722.h"

Functions
g722_decode_state_t *	g722_decode_init (g722_decode_state_t *s, int rate, int options)
int	g722_decode_release (g722_decode_state_t *s)
int	g722_decode (g722_decode_state_t *s, int16_t amp[], const uint8_t g722_data[], int len)

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Detailed Description

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Function Documentation

int g722_decode (  g722_decode_state_t *  s, int16_t  amp[], const uint8_t  g722_data[], int  len )

Decode a buffer of G.722 data to linear PCM. Parameters: s  The G.722 context. amp  The audio sample buffer. g722_data  len  Returns: The number of samples returned.

g722_decode_state_t* g722_decode_init (  g722_decode_state_t *  s, int  rate, int  options )

Initialise an G.722 decode context. Parameters: s  The G.722 decode context. rate  The bit rate of the G.722 data. The valid rates are 64000, 56000 and 48000. options  Returns: A pointer to the G.722 decode context, or NULL for error.

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