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FS-9958

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This commit is contained in:
Anthony Minessale
2017-01-18 15:12:08 -06:00
parent 96a8267305
commit 16c0bc115e
3 changed files with 46 additions and 7 deletions
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src/switch_resample.c
+12 -2
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@@ -413,11 +413,13 @@ struct switch_agc_s {
uint32_t score_over;
uint32_t score_under;
uint32_t period_len;
uint32_t low_energy_point;
};
SWITCH_DECLARE(switch_status_t) switch_agc_create(switch_agc_t **agcP, uint32_t energy_avg, uint32_t margin, uint32_t change_factor, uint32_t period_len)
SWITCH_DECLARE(switch_status_t) switch_agc_create(switch_agc_t **agcP, uint32_t energy_avg,
uint32_t low_energy_point, uint32_t margin, uint32_t change_factor, uint32_t period_len)
{
switch_agc_t *agc;
switch_memory_pool_t *pool;
@@ -432,6 +434,7 @@ SWITCH_DECLARE(switch_status_t) switch_agc_create(switch_agc_t **agcP, uint32_t
agc->margin = margin;
agc->change_factor = change_factor;
agc->period_len = period_len;
agc->low_energy_point = low_energy_point;
*agcP = agc;
@@ -460,6 +463,13 @@ SWITCH_DECLARE(void) switch_agc_set_energy_avg(switch_agc_t *agc, uint32_t energ
agc->energy_avg = energy_avg;
}
SWITCH_DECLARE(void) switch_agc_set_energy_low(switch_agc_t *agc, uint32_t low_energy_point)
{
switch_assert(agc);
agc->low_energy_point = low_energy_point;
}
SWITCH_DECLARE(switch_status_t) switch_agc_feed(switch_agc_t *agc, int16_t *data, uint32_t samples, uint32_t channels)
{
@@ -493,7 +503,7 @@ SWITCH_DECLARE(switch_status_t) switch_agc_feed(switch_agc_t *agc, int16_t *data
agc->score_over = 0;
}
if (agc->score_avg < agc->energy_avg - agc->margin) {
if (agc->score_avg < agc->energy_avg - agc->margin && agc->score_avg > agc->low_energy_point) {
agc->score_under++;
} else {
agc->score_under = 0;