dailz 46367ef6b5 fix(state): add WebRTC support to wlr-screencopy backend ...

Fixes #1 -- --port mode with wlr-screencopy backend caused panic at
negotiate_format() because self.args.output is None and .expect() was
called unconditionally.

Changes:
- Introduce StreamingEncoder enum wrapping EncState (MP4) and
  SwEncState (WebRTC) with unified frames_rgb/encode_frame/flush API
- Add WebRTC fields to State<S> (webrtc, webrtc_tx, webrtc_rx,
  webrtc_frames_sent) matching Portal backend pattern
- State::new() returns Result<Self> for clean WebRtcState init failure
- negotiate_format() branches on webrtc_tx: WebRTC path uses
  SwEncState::new_webrtc(), MP4 path unchanged (hardware VAAPI)
- Add poll_webrtc() method to drive signaling + channel drain
- Event loop calls poll_webrtc() each iteration
- Fix pre-existing test/bench Args construction (Option<String> output,
  missing no_persist field)

2026-06-04 22:10:46 +08:00

34 KiB

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