spandsp 0.0.6
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#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include "spandsp/telephony.h"
#include "spandsp/oki_adpcm.h"
#include "spandsp/private/oki_adpcm.h"
Functions | |
oki_adpcm_state_t * | oki_adpcm_init (oki_adpcm_state_t *s, int bit_rate) |
int | oki_adpcm_release (oki_adpcm_state_t *s) |
int | oki_adpcm_free (oki_adpcm_state_t *s) |
int | oki_adpcm_decode (oki_adpcm_state_t *s, int16_t amp[], const uint8_t oki_data[], int oki_bytes) |
int | oki_adpcm_encode (oki_adpcm_state_t *s, uint8_t oki_data[], const int16_t amp[], int len) |
int oki_adpcm_decode | ( | oki_adpcm_state_t * | s, |
int16_t | amp[], | ||
const uint8_t | oki_data[], | ||
int | oki_bytes | ||
) |
Decode a buffer of Oki ADPCM data to linear PCM.
s | The Oki ADPCM context. |
amp | The audio sample buffer. |
oki_data | |
oki_bytes |
int oki_adpcm_encode | ( | oki_adpcm_state_t * | s, |
uint8_t | oki_data[], | ||
const int16_t | amp[], | ||
int | len | ||
) |
Encode a buffer of linear PCM data to Oki ADPCM.
s | The Oki ADPCM context. |
oki_data | The Oki ADPCM data produced |
amp | The audio sample buffer. |
len | The number of samples in the buffer. |
int oki_adpcm_free | ( | oki_adpcm_state_t * | s | ) |
Free an Oki ADPCM encode or decode context.
s | The Oki ADPCM context. |
oki_adpcm_state_t * oki_adpcm_init | ( | oki_adpcm_state_t * | s, |
int | bit_rate | ||
) |
Initialise an Oki ADPCM encode or decode context.
s | The Oki ADPCM context. |
bit_rate | The required bit rate for the ADPCM data. The valid rates are 24000 and 32000. |
int oki_adpcm_release | ( | oki_adpcm_state_t * | s | ) |
Release an Oki ADPCM encode or decode context.
s | The Oki ADPCM context. |