Use ResizeObserver to cap level to player size - #7108
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This PR will...
Use ResizeObserver when available in cap-level-controller.
Improve buffer removal boundary used in fast switch-up to reduce stalling, for in live playback.
Why is this Pull Request needed?
Using
capLevelToPlayerSizeto detect the media element dimensions forces layout. TheResizeObserveravoids this speeding up player setup.Are there any points in the code the reviewer needs to double check?
Might want to debounce calling
this.detectPlayerSizein the observer callback to avoid setting the level more than once when the media element size is animated by the browser during transitions like entering and exiting fullscreen.Resolves issues:
Checklist