private void OnFFMpegOutput(Process sender, DataReceivedEventArgs e, ref FFMpegProgressData data)
{
if (e.Data == null)
{
return;
}
//Debug.WriteLine("data: " + e.Data);
//LogDebug(e.Data);
Match m = DurationR.Match(e.Data);
if (m.Success)
{
Util.TimeSpanLargeTryParse(m.Groups[1].Value, out TimeSpan time);
data.Duration = time;
}
Match t = TimeR.Match(e.Data);
if (t.Success)
{
Util.TimeSpanLargeTryParse(t.Groups[1].Value, out TimeSpan time);
data.Time = time;
OnProgress?.Invoke(this, new ProgressEventArgs(time.Ticks, data.Duration.Ticks, "f", data.StartTime));
}
else if (!m.Success)
{
LogDebug(e.Data);
}
}
public void Execute(string[] args)
{
string args2 = string.Join(" ", args);
LogDebug("Final ffmpeg command args: " + args2);
ProcessStartInfo i = new ProcessStartInfo(Filename, args2)
{
CreateNoWindow = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
};
using (Process p = new Process
{
EnableRaisingEvents = true,
StartInfo = i
})
{
if (TrackProgress)
{
FFMpegProgressData data = new FFMpegProgressData();
p.ErrorDataReceived += (sender, e) => OnFFMpegOutput((Process)sender, e, ref data);
}
p.Start();
if (TrackProgress)
{
p.BeginErrorReadLine();
}
p.WaitForExit();
if (p.ExitCode != 0)
{
throw new FFMpegException("FFMpeg Error: Exited with error code " + p.ExitCode);
}
}
}
public async Task ExecuteAsync(string[] args, CancellationToken token = default)
{
string args2 = string.Join(" ", args);
LogDebug("Final ffmpeg command args: " + args2);
ProcessStartInfo i = new ProcessStartInfo(Filename, args2)
{
CreateNoWindow = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
};
using (Process p = new Process
{
EnableRaisingEvents = true,
StartInfo = i
})
{
if (TrackProgress)
{
FFMpegProgressData data = new FFMpegProgressData();
p.ErrorDataReceived += (sender, e) => OnFFMpegOutput((Process)sender, e, ref data);
}
p.Start();
if (TrackProgress)
{
p.BeginErrorReadLine();
}
if (await p.WaitForExitAsync(token).ConfigureAwait(false) != 0)
{
//Debug.WriteLine("Error:" + p.StandardOutput.ReadToEnd());
throw new FFMpegException("FFMpeg Error: Exited with error code " + p.ExitCode);
}
}
}
