Raja SubramanianandClaude Opus 5.5 b90b0ca1df sfu: switch VP8 temporal layers up with the dependency descriptor (#4974) ...

libwebrtc strips the VP8 payload descriptor when it sends the dependency
descriptor, so the layer sync bit that #4947 waits for is never set and a
subscriber that lowers its frame rate stays at the base layer until a key
frame. A new temporal layer selector reads only the dependency descriptor:
it switches up at a switch point whose referenced frames were all
forwarded. The forwarder uses it for VP8 when the extension is negotiated
and falls back to the Y-bit selector when the descriptor is not sent.

Fixes #4973.

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

2026-10-11 00:47:42 +05:30

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data.go

sfu: switch VP8 temporal layers up with the dependency descriptor (#4974)

2026-10-11 00:47:42 +05:30