private static string GeneateArgumentsForSingleVideo(MakeMovieRequest request, long fileName, List <string> videoPaths, List <string> audioPaths)
{
var videoSrc = videoPaths.First();
var audioSrc = audioPaths.First();
var outputFileName = string.Concat(Output, fileName, Constants.OutputExtension);
var requestedVideoMetadata = request.Videos.First();
var requestedAudioMetadata = request.Audios.First();
var videoDuration = requestedVideoMetadata.StopClip - requestedVideoMetadata.StartClip;
var audioDuration = requestedAudioMetadata.StopClip - requestedAudioMetadata.StartClip;
if (videoDuration == default(int))
{
videoDuration = int.MaxValue;
}
if (audioDuration == default(int))
{
audioDuration = int.MaxValue;
}
return(string.Format(Constants.FfmpegArgumentsUnformatted,
requestedVideoMetadata.Offset,
requestedVideoMetadata.StartClip,
videoDuration,
videoSrc,
requestedAudioMetadata.Offset,
requestedAudioMetadata.StartClip,
audioDuration,
audioSrc,
outputFileName));
}
public static string CreateNewMovie(MakeMovieRequest request)
{
var videoPaths = GetMediaPaths(request.Videos, true);
var audioPaths = GetMediaPaths(request.Audios, false);
if (videoPaths == null || !videoPaths.Any() ||
audioPaths == null || !audioPaths.Any())
{
// Logging and send unicorns to space
return(null);
}
var fileName = DateTime.UtcNow.ToBinary();
string arguments;
if (videoPaths.Count == Constants.MaxAmountOfVideos)
{
arguments = GeneateArgumentsForMultipleVideos(request, fileName, videoPaths, audioPaths);
}
else
{
arguments = GeneateArgumentsForSingleVideo(request, fileName, videoPaths, audioPaths);
}
Task.Factory.StartNew(() =>
{
var proc = Process.Start(FfmpegPath, arguments);
if (proc == null)
{
return;
}
proc.WaitForExit();
}).Wait();
return(string.Concat(fileName, Constants.OutputExtension));
}
