YouTube testing AV1 codec for more efficient video streaming - 9to5Google
https://9to5google.com/2018/09/14/youtube-av1-video-beta-chrome/
Users on Chrome 70 and Firefox Nightly builds after September 13th can test it by making sure media.av1.enabled and media.mediasource.experimental.enabled prefs are set.
chrome://flags/#enable-av1-decoder
Once running a supported browser, users can head to YouTube’s TestTube experiments list and select “‘Prefer AV1 for SD.”
2ヶ月前からAV1のテストが開始されてたんだね。
ひらくPCバッグnanoがまさかの半額セールです!
https://twitter.com/srcrjp/status/1059394604200472582?s=21