The Lighting Controller

The codecs did the trick. Thanks for the help.

Thanks for the response. It was the same result in v8. I added a 30 minute light scene to the timeline. That worked. I know the .MKV Video file works on this PC. It runs with sound using VLC and is truly 28 Minutes long. I've also tried a 15 minute >MP4 video from a GoPro Camera as a test. No luck -...

I am attempting to add a 28 minute .MKV video file into the timeline. The video file plays fine using VLC on my Windows O/S laptop. When I "Add media File" to a timeline, the file is added but it is only 3 seconds of video. I've also try other file formats like .MP4 and .MOV - all of these...