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Playing video frame-by-frame very slow on Chrome/Firefox but not on Safari

I have a use case that consists in seeking specific frames in a video. The frequency of frame changes can be quite high as it depends on mouse movements. My problem is that depending on the browser the updates can be very smooth (Safari) or introduce a lot of latency (Chrome/Firefox).

I came up with an example to test the differences between browsers using the following code (here is a codepen). I am using this video that is 10 seconds long and 60fps and I play it frame-by-frame by changing its currentTime at an interval equals to the video's frame rate.

HTML

<video id="player" src="https://test-videos.co.uk/vids/bigbuckbunny/mp4/h264/360/Big_Buck_Bunny_360_10s_1MB.mp4" preload="auto"/>

JS

window.onload = () => {
  const player = document.getElementById("player")
  setInterval(() => {
    player.currentTime = (player.currentTime + 0.016) % 10
  }, 16)
}

The main problem seems to me that Chrome and Firefox just handle video time changes differently than Safari, and my use case is well supported in the latter. Would there be any way to also make that work smoothly in Chrome/Firefox? I checked a few video player libraries (e.g., plyr, react-player, video-js) but they are all based on native HTML5 players.

about 4 years ago · Juan Pablo Isaza
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