ari/bridge: Add mute, dtmf suppression controls

Add bridge_features structure to bridge creation.  Specifically, this
implements mute and DTMF suppression, but others should be able to be
easily added to the same structure.

ASTERISK-27322 #close
Reported by: Darren Sessions
Sponsored by: AVOXI

Change-Id: Id4002adfb65c9a8027ee9e1a5f477e0f01cf9d61
This commit is contained in:
Seán C McCord
2017-10-06 21:48:48 -04:00
parent 1505c1bb09
commit e8bde6916a
6 changed files with 112 additions and 1 deletions

View File

@@ -35,6 +35,7 @@
#include "asterisk/bridge.h"
#include "asterisk/bridge_after.h"
#include "asterisk/bridge_basic.h"
#include "asterisk/bridge_features.h"
#include "asterisk/frame.h"
#include "asterisk/pbx.h"
#include "asterisk/musiconhold.h"
@@ -61,6 +62,10 @@ struct stasis_app_control {
* When a channel is in a bridge, the bridge that it is in.
*/
struct ast_bridge *bridge;
/*!
* Bridge features which should be applied to the channel when it enters the next bridge. These only apply to the next bridge and will be emptied thereafter.
*/
struct ast_bridge_features *bridge_features;
/*!
* Holding place for channel's PBX while imparted to a bridge.
*/
@@ -99,6 +104,8 @@ static void control_dtor(void *obj)
ast_cond_destroy(&control->wait_cond);
AST_LIST_HEAD_DESTROY(&control->add_rules);
AST_LIST_HEAD_DESTROY(&control->remove_rules);
ast_bridge_features_destroy(control->bridge_features);
}
struct stasis_app_control *control_create(struct ast_channel *channel, struct stasis_app *app)
@@ -1161,6 +1168,7 @@ static void set_interval_hook(struct ast_channel *chan)
int control_swap_channel_in_bridge(struct stasis_app_control *control, struct ast_bridge *bridge, struct ast_channel *chan, struct ast_channel *swap)
{
int res;
struct ast_bridge_features *features;
if (!control || !bridge) {
return -1;
@@ -1205,6 +1213,10 @@ int control_swap_channel_in_bridge(struct stasis_app_control *control, struct as
ast_channel_pbx_set(chan, NULL);
}
/* Pull bridge features from the control */
features = control->bridge_features;
control->bridge_features = NULL;
ast_assert(stasis_app_get_bridge(control) == NULL);
/* We need to set control->bridge here since bridge_after_cb may be run
* before ast_bridge_impart returns. bridge_after_cb gets a reason
@@ -1220,7 +1232,7 @@ int control_swap_channel_in_bridge(struct stasis_app_control *control, struct as
res = ast_bridge_impart(bridge,
chan,
swap,
NULL, /* features */
features, /* features */
AST_BRIDGE_IMPART_CHAN_DEPARTABLE);
if (res != 0) {
/* ast_bridge_impart failed before it could spawn the depart
@@ -1316,6 +1328,31 @@ int stasis_app_control_queue_control(struct stasis_app_control *control,
return ast_queue_control(control->channel, frame_type);
}
int stasis_app_control_bridge_features_init(
struct stasis_app_control *control)
{
struct ast_bridge_features *features;
features = ast_bridge_features_new();
if (!features) {
return 1;
}
control->bridge_features = features;
return 0;
}
void stasis_app_control_absorb_dtmf_in_bridge(
struct stasis_app_control *control, int absorb)
{
control->bridge_features->dtmf_passthrough = !absorb;
}
void stasis_app_control_mute_in_bridge(
struct stasis_app_control *control, int mute)
{
control->bridge_features->mute = mute;
}
void control_flush_queue(struct stasis_app_control *control)
{
struct ao2_iterator iter;