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app_confbridge/bridge_softmix: Add ability to force estimated bitrate

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app_confbridge now has the ability to set the estimated bitrate on an
SFU bridge.  To use it, set a bridge profile's remb_behavior to "force"
and set remb_estimated_bitrate to a rate in bits per second.  The
remb_estimated_bitrate parameter is ignored if remb_behavior is something
other than "force".

Change-Id: Idce6464ff014a37ea3b82944452e56cc4d75ab0a
This commit is contained in:
George Joseph
2020-09-24 12:46:15 -06:00
parent 4b5ed817bd
commit 773f424c7f
8 changed files with 70 additions and 3 deletions
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2
apps/confbridge/include/confbridge.h
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@@ -87,6 +87,7 @@ enum bridge_profile_flags {
BRIDGE_OPT_REMB_BEHAVIOR_AVERAGE_ALL = (1 << 12), /*!< The average of all REMB reports in the entire bridge is sent to each sender */
BRIDGE_OPT_REMB_BEHAVIOR_LOWEST_ALL = (1 << 13), /*!< The lowest estimated maximum bitrate from all receivers is sent to each sender */
BRIDGE_OPT_REMB_BEHAVIOR_HIGHEST_ALL = (1 << 14), /*!< The highest estimated maximum bitrate from all receivers is sent to each sender */
BRIDGE_OPT_REMB_BEHAVIOR_FORCE = (1 << 15), /*!< Force the REMB estimated bitrate to that specifiec in remb_estimated_bitrate */
};
enum conf_menu_action_id {
@@ -235,6 +236,7 @@ struct bridge_profile {
char regcontext[AST_MAX_CONTEXT];
unsigned int video_update_discard; /*!< Amount of time after sending a video update request that subsequent requests should be discarded */
unsigned int remb_send_interval; /*!< Interval at which a combined REMB frame is sent to video sources */
unsigned int remb_estimated_bitrate; /*!< Bitrate sent when BRIDGE_OPT_REMB_BEHAVIOR_FORCE is set */
};
/*! \brief The structure that represents a conference bridge */