Sep 092012
 

MP4 to iMovie on Mountain Lion – Easy Solve iMovie Won’t Import MP4 Files on Mac OS X 10.8

Why iMovie Won’t Import MP4 Files on Mountain Lion?

It’s not strange, though MP4 is a native supported video format by iMovie, you just can’t import some of the video clips in MP4 format into iMovie on Mountain Lion. The MP4 video files are listed, but they are grayed out and can’t be selected. Is MP4 supported by iMovie on Mountain Lion? If yes, why I failed to add MP4 to iMovie?

The answer is: iMovie should be able to import MP4 video if it uses the H.264 codec. Some MP4 file (like MPEG-4 files ripped from DVD by Handbrake) may contain number of audio, video, and even subtitle streams that won’t be supported by iMovie on Mountain Lion.

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