feat(interceptor): add JitterBuffer receiver-side interceptor#84
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nightness wants to merge 1 commit intowebrtc-rs:masterfrom
Open
feat(interceptor): add JitterBuffer receiver-side interceptor#84nightness wants to merge 1 commit intowebrtc-rs:masterfrom
nightness wants to merge 1 commit intowebrtc-rs:masterfrom
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Adds a new `JitterBufferInterceptor` that buffers incoming RTP packets per SSRC and releases them in sequence order after an adaptive playout delay computed from the RFC 3550 §A.8 jitter formula. - `JitterBufferStream` (stream.rs): per-SSRC packet buffer with adaptive target delay; force-release after max_delay to prevent starvation; playout-delay RTP extension (ietf WebRTC draft) for sender-side hints - `JitterBufferInterceptor<P>` (mod.rs): wraps inner chain; buffers RTP for tracked SSRCs, passes RTCP and untracked-SSRC packets immediately; drains ready packets into inner chain in handle_timeout + poll_read - `JitterBufferBuilder`: configurable min/max/initial delay with sensible defaults (20 ms / 500 ms / 50 ms) - Jitter update skips out-of-order RTP timestamps to prevent spurious delay spikes from reordered packets - 15 unit tests across stream.rs and mod.rs; all 129 interceptor tests pass Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
JitterBufferInterceptor— a receiver-side interceptor that buffers incoming RTP packets and releases them in sequence-number order after a playout delayjitter += (d - jitter) / 16.0)wrapping_sub(seq) < 0x8000comparisonsmax_delayto prevent starvationJitterBufferBuilderwith configurablemin_delay(20ms),initial_delay(50ms),max_delay(500ms)Design
In
poll_read: callsstream.pop_ready(now)for all streams, injects ready packets viainner.handle_read(), then returnsinner.poll_read(). This ensures all downstream interceptors see every packet.Test plan
cargo test -p rtc-interceptor jitter_buffercargo test -p rtc-interceptor(all 130+ tests pass)🤖 Generated with Claude Code