private void StartFfmpegProcess(VideoRecordingOptions videoRecordingOptions)
        {
            var inputArgs  = $"-thread_queue_size 512 -use_wallclock_as_timestamps 1 -f rawvideo -pix_fmt rgb32 -video_size {videoRecordingOptions.Width}x{videoRecordingOptions.Height} -i {pipePrefix}{pipeName}";       //$"-framerate {videoRecordingOptions.FrameRate} -f rawvideo -pix_fmt rgb32 -video_size {videoRecordingOptions.Width}x{videoRecordingOptions.Height} -i {pipePrefix}{pipeName}";
            var outputArgs = $"-vcodec libx264 -crf 15 -pix_fmt yuv420p -preset ultrafast -r {videoRecordingOptions.FrameRate} -y {Path.Combine(videoRecordingOptions.Path, videoRecordingOptions.FileName)}";             //$"-vcodec libx264 -crf 17 -pix_fmt yuv420p -preset ultrafast -r {videoRecordingOptions.FrameRate} -y {Path.Combine(videoRecordingOptions.Path, videoRecordingOptions.FileName)}";
            var ffmpegPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "ffmpeg.exe");

            _ffmpegProcess = new Process
            {
                StartInfo =
                {
                    FileName              = ffmpegPath,
                    Arguments             = $"{inputArgs} {outputArgs}",
                    UseShellExecute       = false,
                    CreateNoWindow        = true,
                    RedirectStandardError = true,
                    RedirectStandardInput = true
                },
                EnableRaisingEvents = true
            };

            _ffmpegProcess.ErrorDataReceived += (s, e) => ProcessTheErrorData(s, e);

            _ffmpegProcess.Start();

            _ffmpegProcess.BeginErrorReadLine();
        }
Exemple #2
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        public MainWindow()
        {
            InitializeComponent();

            _timer = new Timer((TimeSpan time) => {
                TimerLbl.Content = time.ToString();
            });

            _videoRecordingOptions = new VideoRecordingOptions
            {
                FrameRate = 10,
                Height    = 900,
                Width     = 900,
                X         = 300,
                Y         = 300,
                Path      = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "videos"),
                FileName  = "out.mp4"
            };
        }
 public VideoWriter(VideoRecordingOptions videoRecordingOptions)
 {
     _videoBuffer  = new byte[videoRecordingOptions.Width * videoRecordingOptions.Height * 4];
     _ffmpegStream = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, _videoBuffer.Length);
     StartFfmpegProcess(videoRecordingOptions);
 }
Exemple #4
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 public VideoRecording(VideoRecordingOptions videoRecordingOptions)
 {
     _frames = new BlockingCollection <Bitmap>();
     _writer = new VideoWriter(videoRecordingOptions);
     _videoRecordingOptions = videoRecordingOptions;
 }