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intersect_feedback

o_sfu_router::model::rtp_negotiation

Function intersect_feedback 

Source 
fn intersect_feedback<'a>(
    format_feedback: impl Iterator<Item = &'a RtcpFeedback>,
    capability_feedback: impl Iterator<Item = &'a RtcpFeedback>,
) -> Vec<RtcpFeedback>
Expand description

RTCP feedback is negotiated by common support, not by union. Advertising feedback that only one side supports would let later code assume a control signal is usable when the peer never negotiated it. https://www.rfc-editor.org/rfc/rfc4585.html#section-4.2