>I'm trying to have 2 video tracks in one movie, and let the user >chose which track he wants to see at any moment of the playback.
I've done a lot of that. The problem is that the new video track you switch to has to go back to its previous key frame, and build up the current frame, all the time trying to deal with a still playing movie. You can reduce any problems a lot by pausing the movie while you do the switch, giving it some time to get its act together before playing it again, or/and you could make the key frames more frequent. If you're using Sorenson, you may find that the key frame spacing was set to be quite wide apart, because Sorenson is often used for web video, where infrequent key frames may help to keep the file size down. Try setting the key frames every one or two seconds, and also pause the movie as you switch tracks. [To remove yourself from this list, or to change to digest mode, go to http://www.penworks.com/lingo-l.cgi To post messages to the list, email [EMAIL PROTECTED] (Problems, email [EMAIL PROTECTED]). Lingo-L is for learning and helping with programming Lingo. Thanks!]
