public static bool Combine(string audio,
string video,
string title,
OperationLogger logger,
out Exception exception,
Action <int, object> reportProgress)
{
// Remove '_video' from video file to get a final filename.
string error = string.Empty;
string output = video.Replace("_video", string.Empty);
FFmpegResult <bool> result = null;
try
{
// Raise events on main thread
reportProgress(-1, new Dictionary <string, object>()
{
{ "ProgressText", "Combining..." }
});
result = FFmpeg.Combine(video, audio, output, delegate(int percentage)
{
// Combine progress
reportProgress(percentage, null);
}, logger);
// Save errors if combining failed
if (!result.Value)
{
var sb = new StringBuilder();
sb.AppendLine(title);
sb.AppendLine(string.Join(
Environment.NewLine,
result.Errors.Select(err => $" - {err}")));
error = sb.ToString();
}
// Cleanup the separate audio and video files
Helper.DeleteFiles(audio, video);
}
catch (Exception ex)
{
exception = ex;
Common.SaveException(ex);
return(false);
}
finally
{
// Raise events on main thread
reportProgress(-1, new Dictionary <string, object>()
{
{ "ProgressText", null }
});
}
exception = new Exception(error);
return(result.Value);
}
protected override void WorkerDoWork(DoWorkEventArgs e)
{
downloader.Start();
while (downloader?.IsBusy == true)
{
Thread.Sleep(200);
}
if (_combine && _downloadSuccessful)
{
string audio = downloader.Files[0].Path;
string video = downloader.Files[1].Path;
this.ReportProgress(-1, new Dictionary <string, object>()
{
{ nameof(Progress), 0 }
});
this.ReportProgress(ProgressMax, null);
try
{
FFmpegResult <bool> result;
this.ReportProgress(-1, new Dictionary <string, object>()
{
{ nameof(ProgressText), "Combining..." }
});
using (var logger = OperationLogger.Create(OperationLogger.FFmpegDLogFile))
{
result = FFmpeg.Combine(video, audio, this.Output, delegate(int percentage)
{
// Combine progress
this.ReportProgress(percentage, null);
}, logger);
}
if (result.Value)
{
e.Result = OperationStatus.Success;
}
else
{
e.Result = OperationStatus.Failed;
this.ErrorsInternal.AddRange(result.Errors);
}
// Cleanup the separate audio and video files
Helper.DeleteFiles(audio, video);
}
catch (Exception ex)
{
Common.SaveException(ex);
e.Result = OperationStatus.Failed;
}
}
else
{
e.Result = this.Status;
}
}
