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bridge_softmix: Add SDP "label" attribute to streams

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Adding the "label" attribute used for participant info correlation
was previously done in app_confbridge but it wasn't working
correctly because it didn't have knowledge about which video
streams belonged to which channel.  Only bridge_softmix has that
data so now it's set when the bridge topology is changed.

ASTERISK-28107

Change-Id: Ieddeca5799d710cad083af3fcc3e677fa2a2a499
This commit is contained in:
George Joseph
2018-10-16 06:02:19 -06:00
parent 649ee402e5
commit fec66b8f01
5 changed files with 55 additions and 63 deletions
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53
apps/confbridge/confbridge_manager.c
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@@ -355,56 +355,6 @@ static struct ast_json *pack_snapshots( struct ast_bridge_snapshot *bridge_snaps
return pack_bridge_and_channels(json_bridge, json_channel, msg);
}
enum label_direction {
LABEL_DIRECTION_SRC,
LABEL_DIRECTION_DEST,
};
static struct ast_stream *get_stream(struct ast_stream_topology *topology,
enum ast_media_type m_type)
{
int count;
int i;
count = ast_stream_topology_get_count(topology);
if (count < 0) {
return NULL;
}
for (i = 0; i < count; i++) {
struct ast_stream *s;
enum ast_stream_state s_state;
enum ast_media_type s_type;
s = ast_stream_topology_get_stream(topology, i);
s_state = ast_stream_get_state(s);
s_type = ast_stream_get_type(s);
if (s_type == m_type
&& (s_state == AST_STREAM_STATE_SENDRECV || s_state == AST_STREAM_STATE_RECVONLY)) {
return s;
}
}
return NULL;
}
static void set_media_labels(struct confbridge_conference *conference,
struct ast_channel *src_chan, struct ast_channel *dest_chan, enum label_direction dir)
{
struct ast_stream_topology *topology;
struct ast_stream *stream;
struct ast_channel *chan = dir == LABEL_DIRECTION_SRC ? dest_chan : src_chan;
if (!chan) {
return;
}
topology = ast_channel_get_stream_topology(chan);
stream = get_stream(topology, AST_MEDIA_TYPE_VIDEO);
if (stream) {
ast_stream_set_metadata(stream, "SDP:LABEL", ast_channel_uniqueid(chan));
}
}
static void send_message(const char *msg_name, char *conf_name, struct ast_json *json_object,
struct ast_channel *chan)
{
@@ -508,7 +458,6 @@ void conf_send_event_to_participants(struct confbridge_conference *conference,
continue;
}
set_media_labels(conference, chan, user->chan, LABEL_DIRECTION_SRC);
target_json_channel = channel_to_json(target_snapshot, extras, NULL);
ao2_ref(target_snapshot, -1);
@@ -538,8 +487,6 @@ void conf_send_event_to_participants(struct confbridge_conference *conference,
continue;
}
set_media_labels(conference, chan, user->chan, LABEL_DIRECTION_DEST);
json_object = pack_snapshots(obj->bridge, obj->channel, extras, NULL, msg);
if (!json_object) {