Camera screen is white when try to modify data output source

[Sunfocus]

//output file movieFileOutput = [AVCaptureMovieFileOutput new];

Float64 TotalSeconds = 3; //Total seconds int32_t preferredTimeScale = 30; //Frames per second CMTime maxDuration = CMTimeMakeWithSeconds(TotalSeconds, preferredTimeScale); //<<SET MAX DURATION movieFileOutput.maxRecordedDuration = maxDuration; movieFileOutput.minFreeDiskSpaceLimit = 1024 * 1024;

//add output file if ([videoCamera.captureSession canAddOutput:movieFileOutput]) { [videoCamera.captureSession addOutput:movieFileOutput]; } When i try to add my outputSource.Camera screen is white.

[BradLarson]

That's a question about AVFoundation, not GPUImage.