/// <summary>
/// Transcode's all videos of a site
/// </summary>
/// <param name="configuration">Json configuration of IDBrowserService as IDBrowserConfiguration class</param>
/// <param name="cancellationToken">CancellationToken</param>
/// <param name="siteName">Site name to transcode</param>
/// <param name="videoSize">Video size to transcode. (e.g. Hd480, Hd720, Hd1080)</param>
/// <param name="taskCount">FFmpeg task count (Default 2)</param>
/// <param name="logLevel">Serilog log level</param>
public static void TranscodeAllVideos(IDBrowserConfiguration configuration, CancellationToken cancellationToken,
string siteName, string videoSize, Serilog.Events.LogEventLevel logLevel, int taskCount)
{
LoggingLevelSwitch loggingLevelSwitch = new LoggingLevelSwitch
{
MinimumLevel = logLevel
};
Log.Logger = new LoggerConfiguration()
.MinimumLevel.ControlledBy(loggingLevelSwitch)
.WriteTo.File(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Log", "ConsoleFunctions.log"))
.CreateLogger();
SiteSettings siteSettings = configuration.Sites[siteName];
IDImagerDB db = new IDImagerDB(GetIDImagerDBOptionsBuilder <IDImagerDB>(siteSettings.ConnectionStrings.DBType,
siteSettings.ConnectionStrings.IDImager).Options);
var query = db.idCatalogItem
.Include(x => x.idFilePath)
.Where(x => configuration.VideoFileExtensions.Contains(x.idFileType));
ProgressTaskFactory progressTaskFactory = new ProgressTaskFactory(taskCount, 100, 60, Log.Logger);
Task windowChangeListenerTask = new Task(() =>
{
int width = Console.WindowWidth;
int height = Console.WindowHeight;
while (!cancellationToken.IsCancellationRequested)
{
if (width != Console.WindowWidth || height != Console.WindowHeight)
{
width = Console.WindowWidth;
height = Console.WindowHeight;
progressTaskFactory.RedrawConsoleWindows(100, 60);
}
cancellationToken.WaitHandle.WaitOne(100);
}
}, cancellationToken);
windowChangeListenerTask.Start();
if (!IsWindows)
{
// Log output scrolling not supported at the moment because Console.MoveBufferArea is currently not supported under Linux and MacOs.
// But we can write a single infoline.
progressTaskFactory.WriteLog("Log output in console not supported under Linux at the moment. Please take a look at the ConsoleFunctions.log in Logs directory.",
true, LogEventLevel.Information);
}
List <TranscodeVideoBatchInfo> listTranscodeVideoBatch = new List <TranscodeVideoBatchInfo>();
foreach (idCatalogItem catalogItem in query)
{
catalogItem.GetHeightAndWidth(out int originalVideoWidth, out int originalVideoHeight);
string strTranscodeFilePath = StaticFunctions.GetTranscodeFilePath(catalogItem.GUID,
siteSettings.ServiceSettings.TranscodeDirectory, videoSize);
FileInfo transcodeFileInfo = new FileInfo(strTranscodeFilePath);
if (!transcodeFileInfo.Exists)
{
string strOriginalFilePath = StaticFunctions.GetImageFilePath(catalogItem, siteSettings.ServiceSettings.FilePathReplace);
TranscodeVideoBatchInfo transcodeVideoBatchInfo = new TranscodeVideoBatchInfo(catalogItem.GUID, originalVideoWidth, originalVideoHeight,
strOriginalFilePath, strTranscodeFilePath);
listTranscodeVideoBatch.Add(transcodeVideoBatchInfo);
}
}
db.Dispose();
int intTotalCount = listTranscodeVideoBatch.Count();
int intCounter = 1;
TranscodeVideoBatchInfo lastTranscodeVideoBatch = listTranscodeVideoBatch.LastOrDefault();
foreach (TranscodeVideoBatchInfo transcodeVideoBatchInfo in listTranscodeVideoBatch)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
string strTranscodeFilePath = StaticFunctions.GetTranscodeFilePath(transcodeVideoBatchInfo.GUID,
siteSettings.ServiceSettings.TranscodeDirectory, videoSize);
StaticFunctions.GetTranscodeVideoSize(videoSize, transcodeVideoBatchInfo.VideoWidth, transcodeVideoBatchInfo.VideoHeight,
out VideoSize targetVideoSize, out int targetVideoWidth, out int targetVideoHeight);
var conversionOptions = StaticFunctions.GetConversionOptions(targetVideoSize, transcodeVideoBatchInfo.VideoWidth,
transcodeVideoBatchInfo.VideoHeight);
progressTaskFactory.WriteLog(string.Format("Transcoding file {0} of {1} with guid {2} and path \"{3}\" from resolution {4}x{5} to {6}x{7} ",
intCounter, intTotalCount, transcodeVideoBatchInfo.GUID, transcodeVideoBatchInfo.VideoFileInfo.FullName, transcodeVideoBatchInfo.VideoWidth,
transcodeVideoBatchInfo.VideoHeight, targetVideoWidth, targetVideoHeight),
IsWindows, LogEventLevel.Information);
ProgressTask progressTask = progressTaskFactory.GetIdleProgressTask();
if (cancellationToken.IsCancellationRequested)
{
return;
}
if (progressTask == null)
{
progressTask = progressTaskFactory
.WaitForAnyTask()
.Result;
}
if (cancellationToken.IsCancellationRequested)
{
return;
}
string progressBarText = string.Format("{0} ({1} of {2})", transcodeVideoBatchInfo.TranscodeFileInfo.Name, intCounter, intTotalCount);
progressTask.Task = new Task(() => {
TranscodeVideoProgressTask(transcodeVideoBatchInfo, videoSize, cancellationToken, progressTask, progressBarText);
});
progressTask.Task.Start();
// If we are on the last item we have to wait for all tasks to complete
if (transcodeVideoBatchInfo == lastTranscodeVideoBatch)
{
progressTaskFactory.WaitForAllTasks();
}
intCounter++;
}
Log.CloseAndFlush();
}
/// <summary>
/// Transcodes single video with console progresbar updates.
/// </summary>
/// <param name="transcodeVideoBatchInfo">Transcode video batch info</param>
/// <param name="videoSize">Video size</param>
/// <param name="cancellationToken">CancellationToken</param>
/// <param name="progressTask">Progress task</param>
/// <param name="progressBarText">Progress bar text</param>
public static void TranscodeVideoProgressTask(TranscodeVideoBatchInfo transcodeVideoBatchInfo, string videoSize,
CancellationToken cancellationToken, ProgressTask progressTask, string progressBarText)
{
try
{
Engine ffmpegEngine = StaticFunctions.GetFFmpegEngine();
ffmpegEngine.Error += (sender, eventArgs) =>
{
progressTask.ProgressTaskFactory.WriteLog(string.Format("FFmpeg error on file \"{0}\" => {1}",
transcodeVideoBatchInfo.VideoFileInfo.FullName, eventArgs.Exception.ToString()),
IsWindows, LogEventLevel.Error);
};
ffmpegEngine.Progress += (sender, eventArgs) =>
{
int intProgress = (int)Math.Round(eventArgs.ProcessedDuration * 100 / eventArgs.TotalDuration);
intProgress = Math.Max(0, Math.Min(100, intProgress));
progressTask.RefreshProgressBar(intProgress, progressBarText);
};
progressTask.RefreshProgressBar(0, progressBarText);
Task task = StaticFunctions.TranscodeVideo(ffmpegEngine, cancellationToken, transcodeVideoBatchInfo.VideoFileInfo.FullName,
transcodeVideoBatchInfo.TranscodeFileInfo.FullName, videoSize, transcodeVideoBatchInfo.VideoWidth, transcodeVideoBatchInfo.VideoHeight);
task.Wait();
transcodeVideoBatchInfo.TranscodeFileInfo.Refresh();
if (!transcodeVideoBatchInfo.TranscodeFileInfo.Exists)
{
progressTask.ProgressTaskFactory.WriteLog(string.Format("Transcoding on file \"{0}\" failed, file does not exist.",
transcodeVideoBatchInfo.VideoFileInfo.FullName),
IsWindows, LogEventLevel.Error);
progressTask.RefreshProgressBar(0, progressBarText + " (failed)");
}
else if (transcodeVideoBatchInfo.TranscodeFileInfo.Length == 0)
{
transcodeVideoBatchInfo.TranscodeFileInfo.Delete();
progressTask.ProgressTaskFactory.WriteLog(string.Format("Transcoding failed on file \"{0}\", file size is zero. Unfinished transcoded file \"{1}\" deleted.",
transcodeVideoBatchInfo.VideoFileInfo.FullName, transcodeVideoBatchInfo.TranscodeFileInfo.FullName),
IsWindows, LogEventLevel.Error);
progressTask.RefreshProgressBar(0, progressBarText + " (failed)");
}
else
{
progressTask.RefreshProgressBar(100, progressBarText);
}
}
catch (Exception ex)
{
// Wait for file to be unlocked
Thread.Sleep(2000);
transcodeVideoBatchInfo.TranscodeFileInfo.Refresh();
if (transcodeVideoBatchInfo.TranscodeFileInfo != null && transcodeVideoBatchInfo.TranscodeFileInfo.Exists)
{
transcodeVideoBatchInfo.TranscodeFileInfo.Delete();
progressTask.ProgressTaskFactory.WriteLog(string.Format("Unfinished transcoded file \"{0}\" deleted.",
transcodeVideoBatchInfo.TranscodeFileInfo.FullName),
IsWindows, LogEventLevel.Error);
}
if (ex.GetType() == typeof(AggregateException) &&
ex.InnerException != null &&
ex.InnerException.GetType() == typeof(TaskCanceledException))
{
progressTask.ProgressTaskFactory.WriteLog("Transcoding cancelled", IsWindows, Serilog.Events.LogEventLevel.Information);
}
else
{
progressTask.ProgressTaskFactory.WriteLog(ex.ToString(), IsWindows, Serilog.Events.LogEventLevel.Information);
}
return;
}
}
