Eric, not sure if I understand what you mean. Are you referring to digitally encoded files where frame #1 has a different duration than frame #2?
On Tue, Jan 11, 2011 at 6:10 PM, Eric Carlson <eric.carl...@apple.com>wrote: > > On Jan 11, 2011, at 9:54 AM, Rob Coenen wrote: > > > just a follow up question in relation to SMPTE / frame accurate playback: > As > > far as I can tell there is nothing specified in the HTML5 specs that will > > allow us to determine the actual frame rate (FPS) of a movie? In order to > do > > proper time-code calculations it's essential to know both the > video.duration > > and video.fps - and all I can find in the specs is video.duration, > nothing > > in video.fps > > > What does "frames per second" mean for a digitally encoded video file, > where frames can have arbitrary duration? > > eric > > >