How can I use HTML5 and the MediaSource API to stream live video and audio from my webcam to my website?
It seems MPEG DASH is not supported anymore... https://caniuse.com/#search=DASH
And HLS doesn't look good either... https://caniuse.com/#search=HLS
Is there really no way to do this even with modern browsers?
MPEG DASH is not supported anymore
Yes it is, you just need player software to parse the manifest and download the media. See video.js/dash.js
And HLS doesn't look good either
Yes it does, you just need player software to parse the manifest and download the media. See video.js/hls.js