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build: update WebRTC branch from 7977 to 8059 (M155) - #360
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- Set webrtc.branch to branch-heads/8059 and update the build guide. - Use the Chromium Clang that 8059 pins (llvmorg-24-init-7747-g62397f8b-27) in the Linux CI builds. - Install Windows SDK 10.0.28000.0 in the Windows CI builds; the Windows toolchain of 8059 pins it and gn fails without it. - M155 uses the network thread as the worker thread when none is supplied, and support for a distinct worker thread is being removed; update the comment in the PeerConnectionFactory accordingly.
The libc++ of the Clang that 8059 pins no longer pulls it in through other headers, so the Linux builds failed.
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Brings in the work upstream added from October 11 to 15: hardware video codecs on every platform, through Media Foundation, VideoToolbox, VA-API and NVDEC, with WebRTC built with H.265 (devopvoid#346 to devopvoid#348, devopvoid#352, devopvoid#353, devopvoid#356, devopvoid#359, devopvoid#371 to devopvoid#377); HEVC and AV1 decoding in the media player, with dav1d and Vulkan Video (devopvoid#331, devopvoid#345); encoded frame injectors (devopvoid#365); receiver source changes and audio packet infos (devopvoid#366); audio codec factories (devopvoid#340); network thread observers called on a callback thread (devopvoid#364); screen capture with ScreenCaptureKit (devopvoid#354); Windows audio devices that mix more than two channels (devopvoid#358); autoninja (devopvoid#357); and the release channels of the docs site (devopvoid#361). Fork-side adaptations: - The factory keeps the CreatePeerConnectionFactory overload without a worker thread, and still switches device capture on the network thread. devopvoid#355 copies WebRTC's factory setup and has the audio module learn a worker thread, which only matters for a worker thread distinct from the network thread, and WebRTC is removing those. The audio codec factories and hardware codec switches of devopvoid#340 and devopvoid#359 go to that overload. - WebRTC stays on a commit on main, so the move to branch 8059 (devopvoid#360) and its fixed clang package are left out. - The data channels variant builds WebRTC without H.265 and without the extra targets, leaves out the audio codec factory bindings and addTransceiverOfType, and skips the new tests that need audio or video. - dav1d is built against the sysroot on native Linux builds as well, as FFmpeg is. CI installs Meson for the full variant only, checks out the dav1d submodule, and adds its commit to the FFmpeg cache key. The fork's Windows SDK step stays, without upstream's second one. - The release workflow records the docs' version in the tagged commit, as upstream's now does. The docs site still builds from main, since this fork publishes none. - The Maven files stay deleted: Jetty is bumped in the version catalog, and the docs lockfile takes upstream's bumps on top of the fork's newer VitePress. - The media module's README builds with Gradle.
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Updates the native build from WebRTC
branch-heads/7977(M152) tobranch-heads/8059(M155).webrtc.branchtobranch-heads/8059and update the build guide.llvmorg-24-init-7747-g62397f8b-27) in the Linux CI builds.gn genfails without it. Local Windows builds need it too.PeerConnectionFactory.