Add a play function to media encoder with audio.

When adjusting settings and in and out points, or even adding effects, the ability to play the video would be extremely helpful. With audio as well, since you may have an in or out point that you want associated with an audio cue while video is still in black.

I really don’t understand why this Basic functionality was left out. It seems obvious that you need to be able play the audio and video in this part of this app.