Media updates in Chrome 63/64 | Blog | Chrome for DevelopersWeb developers can now predict whether playback will be smooth and power efficient. Chrome now supports HDR video playback on Windows 10. Offline playback with persistent licenses are now supported on Windows and Mac. The default preload value for <video> and <audio> elements is now "metadata". An error is now thrown when media playback rate is unsupported. Chrome now pauses all background video-o
Windows 10の「Google Chrome」でHDRビデオの再生がサポートされるように／通常は明るすぎて白飛びしたり、暗すぎて潰れてしまう部分まで自然かつ鮮やかに表現
