private void FFmpegProcessErrorDataReceived(object sender, ProcessHelper.ErrorDataReceivedEventArgs e)
{
if (e.ErrorData != null && !e.ErrorData.StartsWith("frame=", StringComparison.Ordinal))
{
Xout.LogInf($"STDERR {DateTime.Now:HH:mm:ss.ffff}: {e.ErrorData}");
}
}
/// <summary>
/// Handles the ErrorDataReceived event of the Ffmpeg control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="ProcessHelper.ErrorDataReceivedEventArgs"/> instance containing the event data.</param>
private void FfmpegErrorDataReceived(object sender, ProcessHelper.ErrorDataReceivedEventArgs e)
{
if (string.IsNullOrEmpty(e.ErrorData))
{
return;
}
this.Dispatcher.Invoke(() =>
{
var data = e.ErrorData;
var dataTrimmed = data.Trim();
if (dataTrimmed.StartsWith("Input", StringComparison.CurrentCulture) ||
dataTrimmed.StartsWith("Stream", StringComparison.CurrentCulture) ||
dataTrimmed.StartsWith("Output", StringComparison.Ordinal) ||
dataTrimmed.Contains("Could not run graph") ||
dataTrimmed.Contains("I/O error"))
{
var textBlock = new TextBlock()
{
Text = $"{DateTime.Now:HH:mm:ss.fff}: {data}",
Margin = new Thickness(4, 0, 4, 0),
VerticalAlignment = VerticalAlignment.Center
};
this.StaticData.Children.Add(textBlock);
return;
}
if (data.StartsWith("frame", StringComparison.Ordinal))
{
var match = Regex.Match(data, "frame=\\s*(?<frames>[^\\s]+)\\sfps=\\s*(?<fps>[^\\s]+)\\sq=\\s*(?<q1>[^\\s]+)\\s.*\\ssize=\\s*(?<size>[^\\s]+)\\stime=\\s*(?<time>[^\\s]+)\\sbitrate=\\s*(?<bitrate>[^\\s]+)\\s(dup=\\s*(?<dup>[^\\s]+)\\s)*(drop=\\s*(?<drop>[^\\s]+)\\s)*speed=\\s*(?<speed>[^\\s]+)");
if (!match.Success)
{
return;
}
var frameGroup = match.Groups["frames"];
var fpsGroup = match.Groups[nameof(this.fps)];
var q1Group = match.Groups[nameof(this.q1)];
//var q2Group = match.Groups["q2"];
var sizeGroup = match.Groups["size"];
var timeGroup = match.Groups["time"];
var bitrateGroup = match.Groups["bitrate"];
var speedGroup = match.Groups["speed"];
var dups = match.Groups["dup"];
var drops = match.Groups["drop"];
this.Frames.Text = frameGroup.Value;
this.fps.Text = fpsGroup.Value;
this.q1.Text = q1Group.Value;
//this.q2.Text = q2Group.Value;
this.Size.Text = sizeGroup.Value;
this.Time.Text = timeGroup.Value;
this.Bitrate.Text = bitrateGroup.Value;
this.Speed.Text = speedGroup.Value;
this.Dups.Text = dups.Value;
this.Drops.Text = drops.Value;
}
});
}
