Video Compression ios : Reduce the size of a video usin AVAssetWriter -

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I succeeded in encoding a series of images captured by AVCaptureVideoPreviewLayer of AVFoundation Framework using AVAssetWriter and AVAssetWriterInput .

But the size of the video is very large, so any of you can give me a tutorial suggestion or at least one of the direct me in this case or the right video output for video compression Give settings

I am using the following VideoOutputSetting.


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