Interface

QuickTime X interface settings

Enable autoplay

QuickTime will automatically start playing the video after it is opened.

Show subtitles when available:

If the video has subtitles they will be loaded by default.

Remain in full screen when QuickTime Player is inactive:

As default QuickTime X will exit fullscreen mode when becoming inactive e.g. switching to an other application.

Allow simultaneous recordings:

Quicktime will now be able to perform simultaneous recording from multiple sources such as web cameras.

Show movie controls:

One can chose to view movie controls Automatically, Always or Only on open. Automatically is the default choice.