I'm using ZenPhoto as a video gallery solution and need to get it workable for iOS (iPad, iPhone) users. I have ZP 1.4.1.5 and the version of Flowplayer packaged with it (3.2.6 I think).
I know Flowplayer by itself supports HTML5 functionality for those devices, but in Zenphoto when I try loading an MP4 file via the Flowplayer plugin in I'm getting prompted to download Flash on the iPad (rather than scaling to HTML5). Is there an option I'm missing for this, or is it currently impossible in ZP?
No it should be available by default. Of course only with video formats iDevices support. A .flv movie of course does not work. It might also be that it is not implemented correctly. I did it as of their documentation but as said I am not able to test it.
Note that this is only in the 1.4.2 beta (trunk svn) and the 1.4.3 (dev svn). It is not in the current release.
I would anyway suggest to use the jPlayer plugin which has better html5 support not only for iDevices but browsers.
We really can't recommend to use the dev svn for 1.4.3 currently. For testing yes, but not on a live site.
You should use the trunk svn which is the 1.4.2 beta and becomes the full next version later on. The 1.4.3 stream may soon become really experimental.