Hi every one Am new here. I dont know if any one of you have work or program QTmovie before. I just want to find out How can i cut a video if i give it a starting time and ending time. Have not done this before and am new to this programming language. I've taken a look at the QTMovie Class but i don't know which one of the classes will benefit me and how will i use them. I can program in cocoa a little bit. i just need some one to point me to the right direction. thank you for your helps Am using cocoa language to develop this app.