javascript - <video> playback performance on huge files -

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i'm working on webapp run on specific system build. app run in fullscreen / kiosk-mode mozilla firefox / google chrome , 1 of features in app popup video <video> when app 30 seconds inactive. display consists of 3 hd tv's fullscreen browser span (with bezel) makes 5892 x 1080 big.

when running video (5892 x 1080) in vlc video runs dream. though when running on google chrome or mozilla firefox, becomes sluggish video.

are there settings might adjust on system make render quick vlc?


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