protected override async Task <Action <AsyncCodeActivityContext> > ExecuteAsync(AsyncCodeActivityContext context, CancellationToken cancellationToken)
{
var FFMPEGPath = ffmpegPath.Get(context);
var FFMPEGDirectory = FFMPEGPath.Substring(0, FFMPEGPath.LastIndexOf('\\'));
FFMPEGPath = '"' + FFMPEGPath + '"';
var inputFile = InputFile.Get(context);
var outputFolder = OutputFolder.Get(context);
var outputContainer = OutputContainer.Get(context);
var command = Command.Get(context);
var fontFile = FontFile.Get(context);
var debuggingMode = DebuggingMode.Get(context);
var text = Text.Get(context);
string tempPath = Path.GetTempPath();
var fontFileName = fontFile.Substring(fontFile.LastIndexOf(@"\"));
fontFileName = fontFileName.Replace(@"\", "");
String fontFilePath = Path.Combine(tempPath, fontFileName);
if (!System.IO.File.Exists(fontFilePath))
{
System.IO.File.Copy(fontFile, fontFilePath, true);
}
var startInfo = new ProcessStartInfo(FFMPEGPath);
startInfo.WindowStyle = ProcessWindowStyle.Normal;
startInfo.WorkingDirectory = tempPath;
string inputContainer = inputFile.Substring(inputFile.LastIndexOf('.'));
if (outputContainer == "")
{
outputContainer = inputContainer;
}
string fileNameWithoutExtensions = inputFile.Replace(inputContainer, "");
var fileName = fileNameWithoutExtensions.Substring(fileNameWithoutExtensions.LastIndexOf(@"\"));
fileName = fileName.Replace(@"\", "");
var uniqueId = (DateTime.Now.Ticks - new DateTime(2016, 1, 1).Ticks).ToString("x");
startInfo.Arguments = "-i " + '"' + inputFile + '"' + " " + "-vf drawtext=enable='between(t,2,8)':\"fontfile = " + fontFileName + '"' + ":text=\"" + text + "\":fontcolor=white:fontsize=124:x=(w-text_w)/2:y=(h-text_h)/2 " + command + " " + '"' + outputFolder + @"\" + uniqueId + "." + outputContainer + '"';
if (debuggingMode)
{
var processn = new Process();
processn.StartInfo = startInfo;
processn.EnableRaisingEvents = true;
processn.StartInfo.FileName = "CMD.EXE";
processn.StartInfo.Arguments = "/K " + '"' + @FFMPEGPath + " " + startInfo.Arguments + '"';
processn.Start();
processn.WaitForExit();
}
else
{
var processn = Process.Start(startInfo);
processn.EnableRaisingEvents = true;
processn.WaitForExit();
}
// Outputs
return((ctx) => {
});
}
