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Careful analysis of logs related to the requesting of refresh frames from the source revealed an uncomfortable truth: zero-hertz mode activates first when the first frame has been received in the VideoStreamEncoder, because the number of simulcast layers can only be computed when frame dimensions are known. This fact means that the currently implemented logic for requesting refresh frames is noneffective. Fix this by 1. Activating zero-hertz mode prior of knowing the final layer count. This causes refresh frame requests to happen without any frames received from the source. 2. Making layer count dynamically configurable. Zero-hertz mode considers layer quality unconverged after such a reconfiguration. go/rtc-0hz-present Bug: chromium:1255737 Change-Id: I0ecea4d2a8442a00e3b79b146dd39a5f4ac561d9 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/242860 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Markus Handell <handellm@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35593}
WebRTC is a free, open software project that provides browsers and mobile applications with Real-Time Communications (RTC) capabilities via simple APIs. The WebRTC components have been optimized to best serve this purpose.
Our mission: To enable rich, high-quality RTC applications to be developed for the browser, mobile platforms, and IoT devices, and allow them all to communicate via a common set of protocols.
The WebRTC initiative is a project supported by Google, Mozilla and Opera, amongst others.
Development
See here for instructions on how to get started developing with the native code.
Authoritative list of directories that contain the native API header files.
More info
- Official web site: http://www.webrtc.org
- Master source code repo: https://webrtc.googlesource.com/src
- Samples and reference apps: https://github.com/webrtc
- Mailing list: http://groups.google.com/group/discuss-webrtc
- Continuous build: https://ci.chromium.org/p/webrtc/g/ci/console
- Coding style guide
- Code of conduct
- Reporting bugs
- Documentation