OdessaGUIProject.Workers.SaveWorker.SplicingProcessOutputDataReceived C# (CSharp) Method

        private void SplicingProcessOutputDataReceived(object sendingProcess, DataReceivedEventArgs outLine)
        {
            if (!String.IsNullOrEmpty(outLine.Data))
            {
                // Add the text to the collected output.
                //SplicingProcessOutput += outLine.Data + Environment.NewLine;

                // frame=  212 fps=6.1 q=0.0 size=   77812kB time=00:00:03.53 bitrate=180225.2kbits
                var fpsIndex = outLine.Data.IndexOf(" fps=", StringComparison.Ordinal);
                if (fpsIndex > 0)
                {
                    var beforeFps = outLine.Data.Substring(0, fpsIndex);
                    var frameIndex = beforeFps.LastIndexOf(" ", StringComparison.Ordinal);
                    if (frameIndex <= 0)
                        frameIndex = beforeFps.LastIndexOf("=", StringComparison.Ordinal);
                    if (frameIndex > 0)
                    {
                        var frameAsString = beforeFps.Substring(frameIndex + 1);
                        int processedFrames;
                        if (Int32.TryParse(frameAsString, out processedFrames))
                        {
                            var newProgress = (int)(100.0 * processedFrames / TotalProgressUnits);
                            if (newProgress > 3) // so progress doesn't go down, since SpliceVideo already puts this to 3
                                ReportProgress(newProgress);
                        }
                    }
                }

                if (!HideOutputFile)
                    Logger.Info("ffmpeg output: " + outLine.Data);

                FfmpegOutput += outLine.Data + Environment.NewLine;
            }
        }