No MediaRecorder handler can be created

[RainLucky]

first,thanks your contribution,here is the problem that i met....
the browser have an error with:Uncaught DOMException: Failed to construct 'MediaRecorder': No MediaRecorder handler can be created.

[wenliangzhou]

我也遇到了这个问题。

[bfrontend]

i think this is MediaRecorder Compatibility on different browsers，only Chrome is normal and other browsers are basically this error.