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请问我发现只要将demo中AVCaptureSessionPreset sessionPreset = AVCaptureSessionPreset1280x720;改为分辨率比较低的参数如AVCaptureSessionPreset320x240 然后它的播放速度就变正常了。刚开始的时候是快的，后来是正常的了。请问这个是因为什么。 #5

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请问我发现只要将demo中AVCaptureSessionPreset sessionPreset = AVCaptureSessionPreset1280x720;改为分辨率比较低的参数如AVCaptureSessionPreset320x240 然后它的播放速度就变正常了。刚开始的时候是快的，后来是正常的了。请问这个是因为什么。#5
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@ifengBigger
ifengBigger
opened on Oct 5, 2017
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