private static void Start()
{
daemon = Task.Run(() =>
{
while (true)
{
try
{
Thread.Sleep(1000);
FileItem fileItem;
if (!queueFileItems.TryDequeue(out fileItem))
{
continue;
}
CurrentPositionInQueue++;
// si le client a pas demandé le progress depuis plus de 20s, annuler l'opération
if ((DateTime.UtcNow - fileItem.FileContainer.LastTimeProgressRequested).TotalSeconds > FrontSettings.MaxGetProgressCanceled)
{
fileItem.EncodeErrorMessage = "Canceled";
fileItem.EncodeProgress = null;
fileItem.IpfsErrorMessage = "Canceled";
fileItem.IpfsProgress = null;
continue;
}
// encode video
if (!EncodeManager.Encode(fileItem))
{
continue;
}
switch (fileItem.TypeFile)
{
case TypeFile.SpriteVideo:
{
string[] files = EncodeManager.GetListImageFrom(fileItem.FilePath); // récupération des images
string outputPath = Path.ChangeExtension(TempFileManager.GetNewTempFilePath(), ".jpeg"); // nom du fichier sprite
bool successSprite = SpriteManager.CombineBitmap(files.Skip(files.Length - VideoSettings.NbSpriteImages).ToArray(), outputPath); // création du sprite
TempFileManager.SafeDeleteTempFiles(files); // suppression des images
if (successSprite)
{
fileItem.FilePath = outputPath; // réaffectation chemin sprite
LogManager.AddEncodingMessage("FileSize " + fileItem.FileSize, "End Sprite");
IpfsDaemon.Queue(fileItem);
}
else
{
TempFileManager.SafeDeleteTempFile(outputPath);
}
break;
}
case TypeFile.EncodedVideo:
IpfsDaemon.Queue(fileItem);
break;
default:
throw new InvalidOperationException("type non prévu");
}
}
catch (Exception ex)
{
LogManager.AddEncodingMessage(ex.ToString(), "Exception non gérée");
}
}
});
}
public static bool Encode(FileItem fileItem)
{
string newEncodedFilePath = null;
try
{
currentFileItem = fileItem;
currentFileItem.EncodeProgress = "0.00%";
FileItem sourceFile = currentFileItem.FileContainer.SourceFileItem;
string sourceFilePath = sourceFile.FilePath;
newEncodedFilePath = Path.ChangeExtension(TempFileManager.GetNewTempFilePath(), ".mp4");
LogManager.AddEncodingMessage("FileName " + Path.GetFileName(newEncodedFilePath), "Start");
VideoSize videoSize = currentFileItem.VideoSize;
Debug.WriteLine(Path.GetFileName(sourceFilePath) + " / " + videoSize);
var processStartInfo = new ProcessStartInfo();
processStartInfo.FileName = "ffmpeg";
processStartInfo.RedirectStandardError = true;
processStartInfo.WorkingDirectory = TempFileManager.GetTempDirectory();
processStartInfo.UseShellExecute = false;
processStartInfo.ErrorDialog = false;
processStartInfo.CreateNoWindow = true;
processStartInfo.WindowStyle = ProcessWindowStyle.Hidden;
// Récupérer la durée totale de la vidéo et sa résolution
if (!sourceFile.VideoDuration.HasValue)
{
string imageOutput = Path.ChangeExtension(sourceFilePath, ".jpeg");
processStartInfo.Arguments = $"-y -i {Path.GetFileName(sourceFilePath)} -vf fps=1 -vframes 1 {Path.GetFileName(imageOutput)}";
StartProcess(processStartInfo, VideoSettings.EncodeGetOneImageTimeout);
using (Image image = Image.FromFile(imageOutput))
{
sourceFile.VideoWidth = image.Width;
sourceFile.VideoHeight = image.Height;
}
TempFileManager.SafeDeleteTempFile(imageOutput);
}
// Si durée totale de vidéo, largeur hauteur non récupéré, on ne peut pas continuer
if ((sourceFile.VideoDuration ?? 0) <= 0)
{
return(false);
}
if ((sourceFile.VideoHeight ?? 0) <= 0)
{
return(false);
}
if ((sourceFile.VideoHeight ?? 0) <= 0)
{
return(false);
}
int duration = sourceFile.VideoDuration.Value;
// Désactivation encoding et sprite si dépassement de la durée maximale
if (duration > VideoSettings.MaxVideoDurationForEncoding)
{
currentFileItem.EncodeErrorMessage = "Disable because duration reach the max limit.";
currentFileItem.FileContainer.EncodedFileItems.Clear();
currentFileItem.FileContainer.DeleteSpriteVideo();
return(false);
}
switch (currentFileItem.TypeFile)
{
case TypeFile.SpriteVideo:
{
int nbImages = VideoSettings.NbSpriteImages;
int heightSprite = VideoSettings.HeightSpriteImages;
// Calculer nb image/s
// si < 100s de vidéo -> 1 image/s
// sinon (nb secondes de la vidéo / 100) image/s
string frameRate = "1";
if (duration > nbImages)
{
frameRate = $"{nbImages}/{duration}"; //frameRate = inverse de image/s
}
int spriteWidth = GetWidth(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, heightSprite);
string sizeImageMax = $"scale={spriteWidth}:{heightSprite}";
// Extract frameRate image/s de la video
string pattern = GetPattern(newEncodedFilePath);
processStartInfo.Arguments = $"-y -i {Path.GetFileName(sourceFilePath)} -r {frameRate} -vf \"{sizeImageMax}\" -f image2 {pattern}";
StartProcess(processStartInfo, VideoSettings.EncodeGetImagesTimeout);
break;
}
case TypeFile.EncodedVideo:
{
string size;
switch (videoSize)
{
case VideoSize.F360p:
{
Tuple <int, int> finalSize = GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 640, 360);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
case VideoSize.F480p:
{
Tuple <int, int> finalSize = GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 854, 480);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
case VideoSize.F720p:
{
Tuple <int, int> finalSize = GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 1280, 720);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
case VideoSize.F1080p:
{
Tuple <int, int> finalSize = GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 1920, 1080);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
default:
throw new InvalidOperationException("Format non reconnu.");
}
string formatEncode = "libx264";
if (VideoSettings.GpuEncodeMode)
{
string maxRate = string.Empty;
formatEncode = "h264_nvenc";
switch (videoSize)
{
case VideoSize.F360p:
maxRate = "200k";
break;
case VideoSize.F480p:
maxRate = "500k";
break;
case VideoSize.F720p:
maxRate = "1000k";
break;
case VideoSize.F1080p:
maxRate = "1600k";
break;
default:
throw new InvalidOperationException("Format non reconnu.");
}
processStartInfo.Arguments = $"-y -i {Path.GetFileName(sourceFilePath)} -vcodec {formatEncode} -vf \"scale={size},format=yuv420p\" -b:v {maxRate} -maxrate {maxRate} -bufsize {maxRate} -acodec aac {Path.GetFileName(newEncodedFilePath)}";
}
else
{
processStartInfo.Arguments = $"-y -i {Path.GetFileName(sourceFilePath)} -vcodec {formatEncode} -vf \"scale={size},format=yuv420p\" -acodec aac {Path.GetFileName(newEncodedFilePath)}";
}
StartProcess(processStartInfo, VideoSettings.EncodeTimeout);
break;
}
default:
throw new InvalidOperationException("type non prévu");
}
currentFileItem.FilePath = newEncodedFilePath;
currentFileItem.EncodeProgress = "100.00%";
switch (currentFileItem.TypeFile)
{
case TypeFile.SpriteVideo:
LogManager.AddEncodingMessage("Video Duration " + duration + " / SourceVideoFileSize " + currentFileItem.FileContainer.SourceFileItem.FileSize, "End Extract Images");
break;
case TypeFile.EncodedVideo:
LogManager.AddEncodingMessage("Video Duration " + duration + " / FileSize " + currentFileItem.FileSize + " / Format " + videoSize, "End Encoding");
break;
default:
throw new InvalidOperationException("type non prévu");
}
return(true);
}
catch (Exception ex)
{
LogManager.AddEncodingMessage("Video Duration " + currentFileItem.VideoDuration + " / FileSize " + currentFileItem.FileSize + " / Progress " + currentFileItem.EncodeProgress + " / Exception : " + ex, "Exception");
currentFileItem.EncodeErrorMessage = ex.Message;
TempFileManager.SafeDeleteTempFile(newEncodedFilePath);
if (currentFileItem.VideoSize != VideoSize.Source)
{
TempFileManager.SafeDeleteTempFile(currentFileItem.FilePath);
}
if (currentFileItem.TypeFile == TypeFile.SpriteVideo)
{
string[] files = EncodeManager.GetListImageFrom(newEncodedFilePath); // récupération des images
TempFileManager.SafeDeleteTempFiles(files); // suppression des images
}
return(false);
}
}