I'm not quite sure what you're asking, andy.
You say that you are successfully creating chapter points when you produce a DVD.
You won't be able to add chapter points to an existing MPEG though. Not without putting it into Premiere Elements and then transcoding it to a DVD. (Although then it will no longer be a hi-def MPEG, of course. It will be a DVD.)
Is that what you're asking?
I guess what I am really asking is how do I create "chapters" on an MPEG2 1440 by 1080i output stream. I'm not sure what "chapters" are (OK so that does not help). I hazard a guess that it means that I would have to break the total Hi Def MPEG2 video into sections. I suppose I could do this by outputting multiple smaller MPEG2 videos using the render from the selected part of the timeline option within the Share facility. Then I could colect up all the MPEG2 files and put them in a folder.But is there some other cunning way to do this?
In your first post, you say that you've been able to create and use chapter successfully for DVDs and BluRays.
That is the only way to add "jump points". As I've said, there is no way to add chapters to a raw MPEG file. These chapter markers are part of the DVD or BluRay authoring.
Thanks - thats what I suspected.