public static bool Encode(FileItem fileItem)
{
FileItem sourceFile = fileItem.FileContainer.SourceFileItem;
try
{
fileItem.SpriteEncodeProcess.StartProcessDateTime();
LogManager.AddSpriteMessage("SourceFilePath " + Path.GetFileName(fileItem.SourceFilePath), "Start Sprite");
// Récupérer la durée totale de la vidéo et sa résolution, autorisation sprite creation
if (!VideoSourceManager.SuccessAnalyseSource(fileItem, true, fileItem.SpriteEncodeProcess))
{
return(false);
}
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";
int duration = sourceFile.VideoDuration.Value;
if (duration > nbImages)
{
frameRate = $"{nbImages}/{duration}"; //frameRate = inverse de image/s
}
int spriteWidth = SizeHelper.GetWidth(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, heightSprite);
string sizeImageMax = $"scale={spriteWidth}:{heightSprite}";
// Extract frameRate image/s de la video
string arguments = $"-y -i {Path.GetFileName(fileItem.SourceFilePath)} -r {frameRate} -vf {sizeImageMax} -f image2 {GetPattern(fileItem.TempFilePath)}";
var ffmpegProcessManager = new FfmpegProcessManager(fileItem, fileItem.SpriteEncodeProcess);
ffmpegProcessManager.StartProcess(arguments, VideoSettings.EncodeGetImagesTimeout);
string[] files = GetListImageFrom(fileItem.TempFilePath); // récupération des images
LogManager.AddSpriteMessage((files.Length - 1) + " images", "Start Combine images");
bool successSprite = CombineBitmap(files.Skip(files.Length - VideoSettings.NbSpriteImages).ToArray(), fileItem.TempFilePath); // création du sprite
TempFileManager.SafeDeleteTempFiles(files); // suppression des images
if (successSprite)
{
fileItem.SetOutputFilePath(fileItem.TempFilePath);
LogManager.AddSpriteMessage("OutputFileName " + Path.GetFileName(fileItem.OutputFilePath) + " / FileSize " + fileItem.FileSize, "End Sprite");
}
else
{
LogManager.AddSpriteMessage("Error while combine images", "Error");
fileItem.SpriteEncodeProcess.SetErrorMessage("Error creation sprite while combine images");
return(false);
}
fileItem.SpriteEncodeProcess.EndProcessDateTime();
return(true);
}
catch (Exception ex)
{
LogManager.AddSpriteMessage("Video Duration " + sourceFile.VideoDuration + " / FileSize " + fileItem.FileSize + " / Progress " + fileItem.SpriteEncodeProcess.Progress + " / Exception : " + ex, "Exception");
fileItem.SpriteEncodeProcess.SetErrorMessage("Exception");
string[] files = GetListImageFrom(fileItem.TempFilePath); // récupération des images
TempFileManager.SafeDeleteTempFiles(files); // suppression des images
return(false);
}
}
public static bool Encode(FileItem fileItem)
{
string newEncodedFilePath = null;
try
{
fileItem.EncodeProgress = "0.00%";
FileItem sourceFile = fileItem.FileContainer.SourceFileItem;
string sourceFilePath = sourceFile.FilePath;
VideoSize videoSize = fileItem.VideoSize;
LogManager.AddEncodingMessage("SourceFilePath " + Path.GetFileName(sourceFilePath) + " -> " + videoSize, "Start");
// Récupérer la durée totale de la vidéo et sa résolution, autorisation encoding
if (!VideoSourceManager.CheckAndAnalyseSource(fileItem, false))
{
return(false);
}
string size;
string maxRate = string.Empty;
switch (videoSize)
{
case VideoSize.F360p:
{
maxRate = "200k";
Tuple <int, int> finalSize = SizeHelper.GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 640, 360);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
case VideoSize.F480p:
{
maxRate = "500k";
Tuple <int, int> finalSize = SizeHelper.GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 854, 480);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
case VideoSize.F720p:
{
maxRate = "1000k";
Tuple <int, int> finalSize = SizeHelper.GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 1280, 720);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
case VideoSize.F1080p:
{
maxRate = "1600k";
Tuple <int, int> finalSize = SizeHelper.GetSize(sourceFile.VideoWidth.Value, sourceFile.VideoHeight.Value, 1920, 1080);
size = $"{finalSize.Item1}:{finalSize.Item2}";
break;
}
default:
throw new InvalidOperationException("Format non reconnu.");
}
newEncodedFilePath = Path.ChangeExtension(TempFileManager.GetNewTempFilePath(), ".mp4");
string arguments;
if (VideoSettings.GpuEncodeMode)
{
arguments = $"-y -hwaccel cuvid -vcodec h264_cuvid -vsync 0 -i {Path.GetFileName(sourceFilePath)} -vf \"scale_npp={size},format=yuv420p\" -b:v {maxRate} -maxrate {maxRate} -bufsize {maxRate} -vcodec h264_nvenc -acodec copy {Path.GetFileName(newEncodedFilePath)}";
}
else
{
arguments = $"-y -i {Path.GetFileName(sourceFilePath)} -vf \"scale={size},format=yuv420p\" -vcodec libx264 -acodec aac {Path.GetFileName(newEncodedFilePath)}";
}
var ffmpegProcessManager = new FfmpegProcessManager(fileItem);
ffmpegProcessManager.StartProcess(arguments, VideoSettings.EncodeTimeout);
fileItem.FilePath = newEncodedFilePath;
LogManager.AddEncodingMessage("OutputFileName " + Path.GetFileName(newEncodedFilePath) + " / FileSize " + fileItem.FileSize + " / Format " + videoSize, "End Encoding");
fileItem.EncodeProgress = "100.00%";
return(true);
}
catch (Exception ex)
{
LogManager.AddEncodingMessage("Video Duration " + fileItem.VideoDuration + " / FileSize " + fileItem.FileSize + " / Progress " + fileItem.EncodeProgress + " / Exception : " + ex, "Exception");
fileItem.EncodeErrorMessage = "Exception";
TempFileManager.SafeDeleteTempFile(newEncodedFilePath);
fileItem.CleanFiles();
return(false);
}
}