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about using AVMutableComposition to composite clips,

I'm using AVMutableComposition to composite(concatenate) video clips, the code is from Apple Sample project AVEditDemo, there开发者_C百科 are three clips: A.mov 7.4MB B.mov 24MB C.mov 10.9MB

after exporting, the result video is 106.4MB, is this normal? is there any way to compress it?


you can try exporting with a different preset/quality.

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