video lags on only a long video Help ?????

vdjantho

i am trying this out on my buddys computer i have done several shows with it and want to buy it for my mac but then the other night i had a video it is a mpg4 and good quality i rendered it and mixed it myself and it always works in video sl never had problems but its 105 min. long is this too big for mix emergency any help would be appreciated i dont get it it lags and stops playing its weird help me please i wanna buy a copy but play some long mixes id like to not have no video

Nick

I'm going to guess that it is a keyframe issue. Do you know what settings you used when you exported it? And does a small button with a "!" on it appear on the MixEmergency window when you load and play that file (it may only appear after going into the areas that are causing the lagging)?