Woops! Missed that. Thanks, bond. I was up really late last night when I first read your post where you said that. Thanks for pointing it out to me.
Is there some benefit for putting the moov atom after the mdat one? Why not just have all files with the moov first?
I tried it with QuickTime Atom Viewer and it works! Thanks for the tip on what to look for.
Here's standard Avidemux output, won't stream:
And here's an MP4 that will stream: