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CVPixelBufferRef 转UIImage resiz

CVPixelBufferRef 转UIImage resiz

作者: 北京的天空 | 来源:发表于2020-12-02 16:38 被阅读0次
CIImage *ciimage = [CIImage imageWithCVPixelBuffer:pixelBuf];
CIImage *scaledImage = [ciimage imageByApplyingTransform:(CGAffineTransformMakeScale(0.5, 0.5))];
CIContext *context = [CIContext contextWithOptions:nil];
CGImageRef cgimage = [context
                   createCGImage:scaledImage
                   fromRect:scaledImage.extent];
UIImage *uiimage = [UIImage imageWithCGImage:cgimage];

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