Is it possible to add a Vegas project file to DVDA in lieu of rendering it out? So that you can save an encode? I had thought that was the case, but I now can't seem to make it work. I usually use TMPGenc Authoring Works, but it is choking on these AVCHD files I'm trying to feed it.

Also, since I'm fairly inexperienced with DVDA, is it possible to put two videos into a single menu item and have them play seemlessly? I had to fix something in the opening credits and just re-rendered that 90 seconds worth of the project. In TMPG I can add the revised credits to the beginning of the track, then set the opening frame of the full video to be just after the credits ended, and stitch them together. Saves having to re-render the entire project. I can't seem to do that with DVDA, it keeps trying to create a new menu item for the new credits. (though it did appear I could alter the beginning frame of the full video easily enough) I just want them both to play with a single button.

On the second part of ypour question: no it will not play seemlessly. It will show a short halt.

DVDA needs an MPEG-2 video file and AC-3 or PCM (aka WAV) audio file so no to adding a veg file.

As Jo said, there will be a slight time gap as DVDA switches from one video to the next. You add an end action to the first video to have it automatically switch to the next one but there will be a slight time lag for the switch to happen and there's nothing you can do about it with out re-rendering.

I ended up just re-rendering. I think TMPG does a better job of transcoding HD footage to an SD DVD which is why I have preferred it all these years. Thanks for the replies!