PJ_DEF(pj_status_t) pjmedia_silence_det_create( pj_pool_t *pool,
unsigned clock_rate,
unsigned samples_per_frame,
pjmedia_silence_det **p_sd)
{
pjmedia_silence_det *sd;
PJ_ASSERT_RETURN(pool && p_sd, PJ_EINVAL);
sd = pj_pool_zalloc(pool, sizeof(struct pjmedia_silence_det));
pj_ansi_strncpy(sd->objname, THIS_FILE, PJ_MAX_OBJ_NAME);
sd->objname[PJ_MAX_OBJ_NAME-1] = '\0';
sd->ptime = samples_per_frame * 1000 / clock_rate;
sd->signal_cnt = 0;
sd->silence_cnt = 0;
sd->weakest_signal = 0xFFFFFFFFUL;
sd->loudest_silence = 0;
/* Default settings */
pjmedia_silence_det_set_params(sd, -1, -1, -1);
/* Restart in fixed, silent mode */
sd->in_talk = PJ_FALSE;
pjmedia_silence_det_set_adaptive( sd, -1 );
*p_sd = sd;
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjmedia_silence_det_create( pj_pool_t *pool,
unsigned clock_rate,
unsigned samples_per_frame,
pjmedia_silence_det **p_sd)
{
pjmedia_silence_det *sd;
PJ_ASSERT_RETURN(pool && p_sd, PJ_EINVAL);
sd = PJ_POOL_ZALLOC_T(pool, pjmedia_silence_det);
pj_ansi_snprintf(sd->objname, PJ_MAX_OBJ_NAME, "sd%p", sd);
sd->objname[PJ_MAX_OBJ_NAME-1] = '\0';
sd->ptime = samples_per_frame * 1000 / clock_rate;
/* Default settings */
pjmedia_silence_det_set_params(sd, -1, -1, -1);
/* Restart in adaptive, silent mode */
pjmedia_silence_det_set_adaptive( sd, -1 );
*p_sd = sd;
return PJ_SUCCESS;
}
/*
* Create.
*/
PJ_DEF(pj_status_t) echo_supp_create( pj_pool_t *pool,
unsigned clock_rate,
unsigned samples_per_frame,
unsigned tail_ms,
unsigned latency_ms,
unsigned options,
void **p_state )
{
echo_supp *ec;
pj_status_t status;
PJ_UNUSED_ARG(clock_rate);
PJ_UNUSED_ARG(options);
PJ_UNUSED_ARG(latency_ms);
ec = pj_pool_zalloc(pool, sizeof(struct echo_supp));
ec->samples_per_frame = samples_per_frame;
ec->tail_ms = tail_ms;
status = pjmedia_silence_det_create(pool, clock_rate, samples_per_frame,
&ec->sd);
if (status != PJ_SUCCESS)
return status;
pjmedia_silence_det_set_name(ec->sd, "ecsu%p");
pjmedia_silence_det_set_adaptive(ec->sd, PJMEDIA_ECHO_SUPPRESS_THRESHOLD);
pjmedia_silence_det_set_params(ec->sd, 100, 500, 3000);
*p_state = ec;
return PJ_SUCCESS;
}
