<audio>
and <video>
tags without Javascript.video/mp4; codecs="av01.0.00M.08"
<video preload="auto" controls="controls" autoplay="autoplay">
<source src="https://woolyss.com/f/Chimera-AV1-8bit-480x270-552kbps.mp4" type='video/mp4; codecs="av01.0.00M.08"'>
</video>
HTMLMediaElement.canPlayType('video/mp4; codecs="av01.0.00M.08"')
→ MediaSource.isTypeSupported('video/mp4; codecs="av01.0.00M.08"')
→