/// <summary>
/// starts an ffmpeg process and sets up associated sockets
/// </summary>
void OpenFileSegment()
{
try
{
ffmpeg = new Process();
#if WINDOWS
ffmpeg.StartInfo.FileName = System.IO.Path.Combine(PathManager.GetBasePathAbsolute(), "dll", "ffmpeg.exe");
#else
ffmpeg.StartInfo.FileName = "ffmpeg"; // expecting native version to be in path
#endif
string filename = String.Format("{0}_{1,4:D4}{2}", baseName, segment, ext);
ffmpeg.StartInfo.Arguments = String.Format("-y -f nut -i - {1} \"{0}\"", filename, token.commandline);
ffmpeg.StartInfo.CreateNoWindow = true;
// ffmpeg sends informative display to stderr, and nothing to stdout
ffmpeg.StartInfo.RedirectStandardError = true;
ffmpeg.StartInfo.RedirectStandardInput = true;
ffmpeg.StartInfo.UseShellExecute = false;
commandline = "ffmpeg " + ffmpeg.StartInfo.Arguments;
ffmpeg.ErrorDataReceived += new DataReceivedEventHandler(StderrHandler);
stderr = new Queue<string>(consolebuffer);
ffmpeg.Start();
}
catch
{
ffmpeg.Dispose();
ffmpeg = null;
throw;
}
ffmpeg.BeginErrorReadLine();
muxer = new NutMuxer(width, height, fpsnum, fpsden, sampleRate, channels, ffmpeg.StandardInput.BaseStream);
}
void endsegment()
{
current.Finish();
current = null;
}
/// <summary>
/// finishes an ffmpeg process
/// </summary>
void CloseFileSegment()
{
muxer.Finish();
//ffmpeg.StandardInput.Close();
// how long should we wait here?
ffmpeg.WaitForExit(20000);
ffmpeg.Dispose();
ffmpeg = null;
stderr = null;
commandline = null;
muxer = null;
}
void startsegment()
{
var currentfile = System.IO.File.Open(String.Format("{0}_{1,4:D4}.nut", baseName, segment), System.IO.FileMode.Create, System.IO.FileAccess.Write);
current = new NutMuxer(width, height, fpsnum, fpsden, sampleRate, channels, currentfile);
}