.iMovieProject/Cache/Timeline Movie.mov

I’m interested in being able to take an iMovie project and directly transcode that to some other movie type from within my software. My first thought was to learn how to parse the .iMovieProject and put the movie together myself. This scared me. After depressingly staring at a sample project’s XML for some time I hoped there was an easier way. Well, I found some example code to get a thumbnail from an iMovie project and I noticed it was looking at “Cache/Timeline Movie.mov”. I looked into a few of my projects. Sure enough, each project has a Timeline Movie.mov in it’s Cache directory. This .mov is the current state of the iMovie’s timeline. So all I need to do is use that file as the input for the transcode and all will be well. This was a nice surprise.

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