#include <stdlib.h>
#include <unistd.h>
#include <inttypes.h>
#include <string.h>
#include "spandsp/telephony.h"
#include "spandsp/ima_adpcm.h"
Functions | |
int | imaadpcm_encode (ima_adpcm_state_t *state, int16_t linear) |
ima_adpcm_state_t * | ima_adpcm_init (ima_adpcm_state_t *s) |
int | ima_adpcm_release (ima_adpcm_state_t *s) |
int | ima_adpcm_to_linear (ima_adpcm_state_t *s, int16_t *amp, const uint8_t *ima_data, int ima_bytes) |
int | ima_linear_to_adpcm (ima_adpcm_state_t *s, uint8_t *ima_data, const int16_t *amp, int samples) |
ima_adpcm_state_t* ima_adpcm_init | ( | ima_adpcm_state_t * | s | ) |
Initialise an IMA ADPCM encode or decode context.
s | The IMA ADPCM context |
int ima_adpcm_release | ( | ima_adpcm_state_t * | s | ) |
Free an IMA ADPCM encode or decode context.
s | The IMA ADPCM context. |
int ima_adpcm_to_linear | ( | ima_adpcm_state_t * | s, | |
int16_t * | amp, | |||
const uint8_t * | ima_data, | |||
int | ima_bytes | |||
) |
Decode a buffer of IMA ADPCM data to linear PCM.
s | The IMA ADPCM context. | |
amp | ||
ima_data | ||
ima_bytes |
int ima_linear_to_adpcm | ( | ima_adpcm_state_t * | s, | |
uint8_t * | ima_data, | |||
const int16_t * | amp, | |||
int | samples | |||
) |
Encode a buffer of linear PCM data to IMA ADPCM.
s | The IMA ADPCM context. | |
ima_data | ||
amp | ||
samples |