> Dude, m4v is nothing other than mp4 encoding at default settings
> preset by Apple.
> m4v is a myth. It is not a format. It is simply a file extension
> pulled out of the ether, but not a different file type. You could name
> it mp4 or mov as that would more accurately define the file type and
> you wouldn't have to screw with the mime settings on your server.

This is not entirely accurate. The M4V saved out by Save for iPod defaults
to H.264 with AAC audio. The M4V files available for sale through iTMS are
VRML Media video, which makes M4V a wrapper format of some kind, which
allows Apple to add DRM. Renaming the file from M4V to MP4 works for
playback in QuickTime, but does not work for playback in other places where
MP4 is normally supported because the files aren't recognized by all MP4
codecs.

Jake Ludington

http://www.PodcastingStarterKit.com
http://www.jakeludington.com
http://www.sync2play.com




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