site_archiver@lists.apple.com Delivered-To: pro-apps-dev@lists.apple.com User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20110812 Thunderbird/6.0 I was thinking of that too, but wouldn't the gotcha be FCP's caching? If you end up on a frame that has no param change or anything like that you get no render call right? I apologize for the input probably not being too helpful. :( _______________________________________________ Do not post admin requests to the list. They will be ignored. Pro-apps-dev mailing list (Pro-apps-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/pro-apps-dev/site_archiver%40lists.ap... On 9/9/2011 2:24 PM, Micah Sharp wrote: Oh, good point. The effect never gets a render call if the clip is rendered. There are other APIs in there I've never looked at though - maybe it's possible to hook into timeline changes. Thanks for the input This email sent to site_archiver@lists.apple.com