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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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19
include/asterisk/bridge.h
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@@ -290,6 +290,11 @@ struct ast_bridge_softmix {
unsigned int internal_mixing_interval;
/*! TRUE if binaural convolve is activated in configuration. */
unsigned int binaural_active;
/*!
* Add a "label" attribute to each stream in the SDP containing
* the channel uniqueid. Used for participant info correlation.
*/
unsigned int send_sdp_label;
};
AST_LIST_HEAD_NOLOCK(ast_bridge_channels_list, ast_bridge_channel);
@@ -985,6 +990,20 @@ void ast_bridge_remove_video_src(struct ast_bridge *bridge, struct ast_channel *
*/
const char *ast_bridge_video_mode_to_string(enum ast_bridge_video_mode_type video_mode);
/*!
* \brief Controls whether to send a "label" attribute in each stream in an SDP
* \since 16.1.0
*
* \param bridge The bridge
* \param send_sdp_label Whether to send the labels or not
*
* \note The label will contain the uniqueid of the channel related to the stream.
* This is used to allow the recipient to correlate the stream to the participant
* information events sent by app_confbridge.
* The bridge will be locked in this function.
*/
void ast_bridge_set_send_sdp_label(struct ast_bridge *bridge, unsigned int send_sdp_label);
/*!
* \brief Acquire the channel's bridge for transfer purposes.
* \since 13.21.0