diff options
Diffstat (limited to 'include/asterisk/bridging.h')
| -rw-r--r-- | include/asterisk/bridging.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/asterisk/bridging.h b/include/asterisk/bridging.h index 58f61d6fd..849f88741 100644 --- a/include/asterisk/bridging.h +++ b/include/asterisk/bridging.h @@ -167,12 +167,48 @@ struct ast_bridge_channel { AST_LIST_ENTRY(ast_bridge_channel) entry; }; +enum ast_bridge_video_mode_type { + /*! Video is not allowed in the bridge */ + AST_BRIDGE_VIDEO_MODE_NONE = 0, + /*! A single user is picked as the only distributed of video across the bridge */ + AST_BRIDGE_VIDEO_MODE_SINGLE_SRC, + /*! A single user's video feed is distributed to all bridge channels, but + * that feed is automatically picked based on who is talking the most. */ + AST_BRIDGE_VIDEO_MODE_TALKER_SRC, +}; + +/*! This is used for both SINGLE_SRC mode to set what channel + * should be the current single video feed */ +struct ast_bridge_video_single_src_data { + /*! Only accept video coming from this channel */ + struct ast_channel *chan_vsrc; +}; + +/*! This is used for both SINGLE_SRC_TALKER mode to set what channel + * should be the current single video feed */ +struct ast_bridge_video_talker_src_data { + /*! Only accept video coming from this channel */ + struct ast_channel *chan_vsrc; + int average_talking_energy; +}; + +struct ast_bridge_video_mode { + enum ast_bridge_video_mode_type mode; + /* Add data for all the video modes here. */ + union { + struct ast_bridge_video_single_src_data single_src_data; + struct ast_bridge_video_talker_src_data talker_src_data; + } mode_data; +}; + /*! * \brief Structure that contains information about a bridge */ struct ast_bridge { /*! Number of channels participating in the bridge */ int num; + /*! The video mode this bridge is using */ + struct ast_bridge_video_mode video_mode; /*! The internal sample rate this bridge is mixed at when multiple channels are being mixed. * If this value is 0, the bridge technology may auto adjust the internal mixing rate. */ unsigned int internal_sample_rate; @@ -475,6 +511,31 @@ void ast_bridge_set_internal_sample_rate(struct ast_bridge *bridge, unsigned int */ void ast_bridge_set_mixing_interval(struct ast_bridge *bridge, unsigned int mixing_interval); +/*! + * \brief Set a bridge to feed a single video source to all participants. + */ +void ast_bridge_set_single_src_video_mode(struct ast_bridge *bridge, struct ast_channel *video_src_chan); + +/*! + * \brief Set the bridge to pick the strongest talker supporting + * video as the single source video feed + */ +void ast_bridge_set_talker_src_video_mode(struct ast_bridge *bridge); + +/*! + * \brief Update information about talker energy for talker src video mode. + */ +void ast_bridge_update_talker_src_video_mode(struct ast_bridge *bridge, struct ast_channel *chan, int talker_energy, int is_keyfame); + +/*! + * \brief Determine if a channel is a video src for the bridge + */ +int ast_bridge_is_video_src(struct ast_bridge *bridge, struct ast_channel *chan); + +/*! + * \brief remove a channel as a source of video for the bridge. + */ +void ast_bridge_remove_video_src(struct ast_bridge *bridge, struct ast_channel *chan); #if defined(__cplusplus) || defined(c_plusplus) } |