private void SinglePass(string argument)
        {
            ffmpegProcess = new FFmpegProcess(argument);

            ffmpegProcess.ErrorDataReceived  += ProcessOnErrorDataReceived;
            ffmpegProcess.OutputDataReceived += ProcessOnOutputDataReceived;
            ffmpegProcess.Exited             += (o, args) => richTextBoxOutput.Invoke((Action)(() =>
            {
                if (processPanic)
                {
                    return;               //This should stop that one exception when closing the converter
                }
                buttonCancel.Enabled = false;

                timer = new Timer();
                timer.Interval = 500;
                timer.Tick += Exited;
                timer.Start();
            }));

            progressBarEncoding.Value = 0;
            taskbarManager.SetProgressState(TaskbarProgressBarState.Normal);
            labelStatus.Text = "Выполняется конвертирование";

            ffmpegProcess.Start();
        }
        private void MultiPass(string[] arguments)
        {
            int passes = arguments.Length;

            ffmpegProcess = new FFmpegProcess(arguments[currentPass]);

            ffmpegProcess.ErrorDataReceived  += ProcessOnErrorDataReceived;
            ffmpegProcess.OutputDataReceived += ProcessOnOutputDataReceived;
            ffmpegProcess.Exited             += (o, args) => richTextBoxOutput.Invoke((Action)(() =>
            {
                if (processPanic)
                {
                    return;               //This should stop that one exception when closing the converter
                }
                currentPass++;
                if (currentPass < passes && !cancelTwoPass)
                {
                    richTextBoxOutput.AppendText(Environment.NewLine);

                    MultiPass(arguments);
                    return;
                }

                buttonCancel.Enabled = false;

                timer = new Timer();
                timer.Interval = 500;
                timer.Tick += Exited;
                timer.Start();
            }));

            progressBarEncoding.Value = 0;
            taskbarManager.SetProgressState(TaskbarProgressBarState.Normal);
            labelStatus.Text = $"Выполняется конвертирование (проход {currentPass + 1})";

            ffmpegProcess.Start();
        }