Sorry I worded that badly. I was talking about using mocha pro to replace a green screen. Not some auto screen replacement. So what I'm aiming to do is recreate the icarly intro. When adding my own clips and tracking with the green screen, the clip does not follow the first green screen that comes up as the green screen is only partially shown and it moves quite quickly, as a result it only tracks that part, but then becomes off center with the video. I soon realized after doing this for a couple hours that I was not utilizing the green screen at all (defeating the purpose of the template). So next I decided to chroma key and place my video. However, doing this does not put the entire video into the green screen and it becomes cut off, scaling wouldn't work because the green screen moves and changes sizes, so I'm not sure how I can get the video to follow that. As I said before I'm new and have only done basic video editing. What I wish would happen is that I just throw in my video and chroma key it and the video would scale to fit the green screen and follow it as it moves around. I know this doesn't exist, but that's basically what I want to recreate. How can I use chroma keying to track the video that I use to fill in the green screen?
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