Yes, that is what is used with MPEG-DASH and HLS too. But none of the DRM systems implemented (beyond ClearKey) is used on just pure MP4 files. So while EME wor

Yes, that is what is used with MPEG-DASH and HLS too. But none of the DRM systems implemented (beyond ClearKey) is used on just pure MP4 files. So while EME works in either case, nobody is doing it with the file formats natively supported. It's pretty much always in combination with https://developer.mozilla.org/en-US/docs/Web/API/Media_Source_Extensions_API https://developer.mozilla.org/en-US/docs/Web/API/Media_Sourc...