If you use GPUImageVideoCamera
[[GPUImageVideoCamera alloc] initWithSessionPreset:AVCaptureSessionPreset1280x720 cameraPosition:AVCaptureDevicePositionFront];
Set the parameters of cameraPosition is AVCaptureDevicePositionFront.
Taken out of the video with noise
If you use GPUImageVideoCamera [[GPUImageVideoCamera alloc] initWithSessionPreset:AVCaptureSessionPreset1280x720 cameraPosition:AVCaptureDevicePositionFront]; Set the parameters of cameraPosition is AVCaptureDevicePositionFront. Taken out of the video with noise