I'm pretty positive that an MP4 file with H264 encoding is NOT a Flash format. It is supported in Flash Player but it is not a Flash format. Flash-specific formats would be F4V and FLV.
See the blog post on InDesignSecrets.com I did on video formats in June 2011. As far as I know, nothing has changed since then:
thanks Steve, think that's the same statement as the guy at Adobe support, but in AME6 Flash isn't mentioned, I'm using the by predefined iPad settings and it's defined with H.264 codec. And for some weird reason once it's imported InDesign calls it Flash H.264 (as you can see in the screenshot above).
Any idea why InDesign calls it 'Flash H.264' ?
Or maybe tips to create a real H.264 file ?
Put that video into some web-server (or Dropbox´s Public folder), and use direct URL to open it iPad´s Safari. If it works, everything is fine, if it doesn´t... then you have figure out what´s going wrong...