_movieWriter = [[GPUImageMovieWriter alloc] initWithMovieURL:movieURL size:finalSize];
	//截屏
	self.videoCamera = [[ZFScreenVideoCamera alloc] initWithView:screenView inRect:rect];
	self.videoCamera.runBenchmark = YES;
	[self.videoCamera addTarget:_movieWriter];
    //*/
    self.videoCamera.microphoneEnabled = microphoneEnabled;
    if (microphoneEnabled) {
        self.videoCamera.audioEncodingTarget = _movieWriter;
    }
    _movieWriter.encodingLiveVideo = YES;
    //开始录屏
    [self.videoCamera startScreenCapture];
    //视频写文件
    [_movieWriter startRecording];