#include <stdlib.h>
#include <unistd.h>
#include <inttypes.h>
#include <string.h>
#include "spandsp/telephony.h"
#include "spandsp/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_to_linear (oki_adpcm_state_t *s, int16_t *amp, const uint8_t *oki_data, int oki_bytes) |
int | oki_linear_to_adpcm (oki_adpcm_state_t *s, uint8_t *oki_data, const int16_t *amp, int samples) |
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 | ) |
Free an Oki ADPCM encode or decode context.
s | The Oki ADPCM context. |
int oki_adpcm_to_linear | ( | 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 | ||
oki_data | ||
oki_bytes |
int oki_linear_to_adpcm | ( | oki_adpcm_state_t * | s, | |
uint8_t * | oki_data, | |||
const int16_t * | amp, | |||
int | samples | |||
) |
Encode a buffer of linear PCM data to Oki ADPCM.
s | The Oki ADPCM context. | |
oki_data | ||
amp | ||
samples |