webrtc: REMB-based livestream bitrate controller#38189
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Replace the packet-loss heuristic in LivestreamBitrateController with a controller driven by the browser's Receiver Estimated Maximum Bitrate (REMB). Monkey-patch RTCRtpSender to capture the REMB feedback per sender, then step the encoder bitrate down when the estimate drops below the current level and probe back up after a stable period.
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Process replay diff reportReplays driving segments through this PR and compares the behavior to master. ✅ 0 changed, 66 passed, 0 errors |
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Replace the packet-loss heuristic in LivestreamBitrateController with a controller driven by the browser's Receiver Estimated Maximum Bitrate (REMB). Monkey-patch RTCRtpSender to capture the REMB feedback per sender, then step the encoder bitrate down when the estimate drops below the current level and probe back up after a stable period.