private async void Encode(List <FrameInfo> listFrames, int id, Parameters param, CancellationTokenSource tokenSource) { var processing = this.DispatcherStringResource("Encoder.Processing"); try { switch (param.Type) { case Export.Gif: #region Gif #region Cut/Paint Unchanged Pixels if (param.EncoderType == GifEncoderType.Legacy || param.EncoderType == GifEncoderType.ScreenToGif) { if (param.DetectUnchangedPixels) { Update(id, 0, FindResource("Encoder.Analyzing").ToString()); if (param.DummyColor.HasValue) { var color = Color.FromArgb(param.DummyColor.Value.R, param.DummyColor.Value.G, param.DummyColor.Value.B); listFrames = ImageMethods.PaintTransparentAndCut(listFrames, color, id, tokenSource); } else { listFrames = ImageMethods.CutUnchanged(listFrames, id, tokenSource); } } else { var size = listFrames[0].Path.ScaledSize(); listFrames.ForEach(x => x.Rect = new Int32Rect(0, 0, (int)size.Width, (int)size.Height)); } } #endregion switch (param.EncoderType) { case GifEncoderType.ScreenToGif: #region Improved encoding using (var stream = new MemoryStream()) { using (var encoder = new GifFile(stream, param.RepeatCount)) { encoder.UseGlobalColorTable = param.UseGlobalColorTable; encoder.TransparentColor = param.DummyColor; encoder.MaximumNumberColor = param.MaximumNumberColors; for (var i = 0; i < listFrames.Count; i++) { if (!listFrames[i].HasArea && param.DetectUnchangedPixels) { continue; } if (listFrames[i].Delay == 0) { listFrames[i].Delay = 10; } encoder.AddFrame(listFrames[i].Path, listFrames[i].Rect, listFrames[i].Delay); Update(id, i, string.Format(processing, i)); #region Cancellation if (tokenSource.Token.IsCancellationRequested) { SetStatus(Status.Canceled, id); break; } #endregion } } try { using (var fileStream = new FileStream(param.Filename, FileMode.Create, FileAccess.Write, FileShare.None, 4096)) stream.WriteTo(fileStream); } catch (Exception ex) { SetStatus(Status.Error, id); LogWriter.Log(ex, "Improved Encoding"); } } #endregion break; case GifEncoderType.Legacy: #region Legacy Encoding using (var encoder = new AnimatedGifEncoder()) { if (param.DummyColor.HasValue) { var color = Color.FromArgb(param.DummyColor.Value.R, param.DummyColor.Value.G, param.DummyColor.Value.B); encoder.SetTransparent(color); encoder.SetDispose(1); //Undraw Method, "Leave". } encoder.Start(param.Filename); encoder.SetQuality(param.Quality); encoder.SetRepeat(param.RepeatCount); var numImage = 0; foreach (var frame in listFrames) { #region Cancellation if (tokenSource.Token.IsCancellationRequested) { SetStatus(Status.Canceled, id); break; } #endregion if (!frame.HasArea && param.DetectUnchangedPixels) { continue; } var bitmapAux = new Bitmap(frame.Path); encoder.SetDelay(frame.Delay); encoder.AddFrame(bitmapAux, frame.Rect.X, frame.Rect.Y); bitmapAux.Dispose(); Update(id, numImage, string.Format(processing, numImage)); numImage++; } } #endregion break; case GifEncoderType.PaintNet: #region paint.NET encoding using (var stream = new MemoryStream()) { using (var encoder = new GifEncoder(stream, null, null, param.RepeatCount)) { for (var i = 0; i < listFrames.Count; i++) { var bitmapAux = new Bitmap(listFrames[i].Path); encoder.AddFrame(bitmapAux, 0, 0, TimeSpan.FromMilliseconds(listFrames[i].Delay)); bitmapAux.Dispose(); Update(id, i, string.Format(processing, i)); #region Cancellation if (tokenSource.Token.IsCancellationRequested) { SetStatus(Status.Canceled, id); break; } #endregion } } stream.Position = 0; try { using (var fileStream = new FileStream(param.Filename, FileMode.Create, FileAccess.Write, FileShare.None, Constants.BufferSize, false)) stream.WriteTo(fileStream); } catch (Exception ex) { SetStatus(Status.Error, id); LogWriter.Log(ex, "Encoding with paint.Net."); } } #endregion break; case GifEncoderType.FFmpeg: #region FFmpeg encoding SetStatus(Status.Processing, id, null, true); if (!Util.Other.IsFfmpegPresent()) { throw new ApplicationException("FFmpeg not present."); } if (File.Exists(param.Filename)) { File.Delete(param.Filename); } #region Generate concat var concat = new StringBuilder(); foreach (var frame in listFrames) { concat.AppendLine("file '" + frame.Path + "'"); concat.AppendLine("duration " + (frame.Delay / 1000d).ToString(CultureInfo.InvariantCulture)); } var concatPath = Path.GetDirectoryName(listFrames[0].Path) ?? Path.GetTempPath(); var concatFile = Path.Combine(concatPath, "concat.txt"); if (!Directory.Exists(concatPath)) { Directory.CreateDirectory(concatPath); } if (File.Exists(concatFile)) { File.Delete(concatFile); } File.WriteAllText(concatFile, concat.ToString()); #endregion param.Command = string.Format(param.Command, concatFile, param.ExtraParameters.Replace("{H}", param.Height.ToString()).Replace("{W}", param.Width.ToString()), param.Filename); var process = new ProcessStartInfo(UserSettings.All.FfmpegLocation) { Arguments = param.Command, CreateNoWindow = true, ErrorDialog = false, UseShellExecute = false, RedirectStandardError = true }; var pro = Process.Start(process); var str = pro.StandardError.ReadToEnd(); var fileInfo = new FileInfo(param.Filename); if (!fileInfo.Exists || fileInfo.Length == 0) { throw new Exception("Error while encoding the gif with FFmpeg.") { HelpLink = $"Command:\n\r{param.Command}\n\rResult:\n\r{str}" } } ; #endregion break; case GifEncoderType.Gifski: #region Gifski encoding SetStatus(Status.Processing, id, null, true); if (!Util.Other.IsGifskiPresent()) { throw new ApplicationException("Gifski not present."); } if (File.Exists(param.Filename)) { File.Delete(param.Filename); } var gifski = new GifskiInterop(); var handle = gifski.Start(UserSettings.All.GifskiQuality, UserSettings.All.Looped); ThreadPool.QueueUserWorkItem(delegate { Thread.Sleep(500); SetStatus(Status.Processing, id, null, false); for (var i = 0; i < listFrames.Count; i++) { Update(id, i, string.Format(processing, i)); gifski.AddFrame(handle, (uint)i, listFrames[i].Path, listFrames[i].Delay); } gifski.EndAdding(handle); }, null); gifski.End(handle, param.Filename); var fileInfo2 = new FileInfo(param.Filename); if (!fileInfo2.Exists || fileInfo2.Length == 0) { throw new Exception("Error while encoding the gif with Gifski.", new Win32Exception()) { HelpLink = $"Command:\n\r{param.Command}\n\rResult:\n\r{Marshal.GetLastWin32Error()}" } } ; #endregion break; default: throw new Exception("Undefined Gif encoder type"); } #endregion break; case Export.Apng: #region Apng #region Cut/Paint Unchanged Pixels if (param.DetectUnchangedPixels) { Update(id, 0, FindResource("Encoder.Analyzing").ToString()); if (param.DummyColor.HasValue) { var color = Color.FromArgb(param.DummyColor.Value.A, param.DummyColor.Value.R, param.DummyColor.Value.G, param.DummyColor.Value.B); listFrames = ImageMethods.PaintTransparentAndCut(listFrames, color, id, tokenSource); } else { listFrames = ImageMethods.CutUnchanged(listFrames, id, tokenSource); } } else { var size = listFrames[0].Path.ScaledSize(); listFrames.ForEach(x => x.Rect = new Int32Rect(0, 0, (int)size.Width, (int)size.Height)); } #endregion #region Encoding using (var stream = new MemoryStream()) { var frameCount = listFrames.Count(x => x.HasArea); using (var encoder = new Apng(stream, frameCount, param.RepeatCount)) { for (var i = 0; i < listFrames.Count; i++) { if (!listFrames[i].HasArea && param.DetectUnchangedPixels) { continue; } if (listFrames[i].Delay == 0) { listFrames[i].Delay = 10; } encoder.AddFrame(listFrames[i].Path, listFrames[i].Rect, listFrames[i].Delay); Update(id, i, string.Format(processing, i)); #region Cancellation if (tokenSource.Token.IsCancellationRequested) { SetStatus(Status.Canceled, id); break; } #endregion } } try { using (var fileStream = new FileStream(param.Filename, FileMode.Create, FileAccess.Write, FileShare.None, 4096)) stream.WriteTo(fileStream); } catch (Exception ex) { SetStatus(Status.Error, id); LogWriter.Log(ex, "Apng Encoding"); } } #endregion #endregion break; case Export.Video: #region Video switch (param.VideoEncoder) { case VideoEncoderType.AviStandalone: #region Avi Standalone var image = listFrames[0].Path.SourceFrom(); if (File.Exists(param.Filename)) { File.Delete(param.Filename); } //1000 / listFrames[0].Delay using (var aviWriter = new AviWriter(param.Filename, param.Framerate, image.PixelWidth, image.PixelHeight, param.VideoQuality)) { var numImage = 0; foreach (var frame in listFrames) { using (var outStream = new MemoryStream()) { var bitImage = frame.Path.SourceFrom(); var enc = new BmpBitmapEncoder(); enc.Frames.Add(BitmapFrame.Create(bitImage)); enc.Save(outStream); outStream.Flush(); using (var bitmap = new Bitmap(outStream)) aviWriter.AddFrame(bitmap, param.FlipVideo); } Update(id, numImage, string.Format(processing, numImage)); numImage++; #region Cancellation if (tokenSource.Token.IsCancellationRequested) { SetStatus(Status.Canceled, id); break; } #endregion } } #endregion break; case VideoEncoderType.Ffmpg: #region Video using FFmpeg SetStatus(Status.Processing, id, null, true); if (!Util.Other.IsFfmpegPresent()) { throw new ApplicationException("FFmpeg not present."); } if (File.Exists(param.Filename)) { File.Delete(param.Filename); } #region Generate concat var concat = new StringBuilder(); foreach (var frame in listFrames) { concat.AppendLine("file '" + frame.Path + "'"); concat.AppendLine("duration " + (frame.Delay / 1000d).ToString(CultureInfo.InvariantCulture)); } var concatPath = Path.GetDirectoryName(listFrames[0].Path) ?? Path.GetTempPath(); var concatFile = Path.Combine(concatPath, "concat.txt"); if (!Directory.Exists(concatPath)) { Directory.CreateDirectory(concatPath); } if (File.Exists(concatFile)) { File.Delete(concatFile); } File.WriteAllText(concatFile, concat.ToString()); #endregion param.Command = string.Format(param.Command, concatFile, param.ExtraParameters.Replace("{H}", param.Height.ToString()).Replace("{W}", param.Width.ToString()), param.Filename); var process = new ProcessStartInfo(UserSettings.All.FfmpegLocation) { Arguments = param.Command, CreateNoWindow = true, ErrorDialog = false, UseShellExecute = false, RedirectStandardError = true }; var pro = Process.Start(process); var str = pro.StandardError.ReadToEnd(); var fileInfo = new FileInfo(param.Filename); if (!fileInfo.Exists || fileInfo.Length == 0) { throw new Exception("Error while encoding with FFmpeg.") { HelpLink = str } } ; #endregion break; default: throw new Exception("Undefined video encoder"); } #endregion break; default: throw new ArgumentOutOfRangeException(nameof(param)); } //If it was canceled, try deleting the file. if (tokenSource.Token.IsCancellationRequested) { if (File.Exists(param.Filename)) { File.Delete(param.Filename); } SetStatus(Status.Canceled, id); return; } #region Upload if (param.Upload && File.Exists(param.Filename)) { InternalUpdate(id, "Encoder.Uploading", true, true); try { ICloud cloud = CloudFactory.CreateCloud(param.UploadDestinationIndex); var uploadedFile = await cloud.UploadFileAsync(param.Filename, CancellationToken.None); InternalSetUpload(id, true, uploadedFile.Link, uploadedFile.DeleteLink); } catch (Exception e) { LogWriter.Log(e, "It was not possible to run the post encoding command."); InternalSetUpload(id, false, null, null, e); } } #endregion #region Copy to clipboard if (param.CopyToClipboard && File.Exists(param.Filename)) { Dispatcher.Invoke(() => { try { var data = new DataObject(); switch (param.CopyType) { case CopyType.File: if (param.Type != Export.Video) { data.SetImage(param.Filename.SourceFrom()); } data.SetText(param.Filename, TextDataFormat.Text); data.SetFileDropList(new StringCollection { param.Filename }); break; case CopyType.FolderPath: data.SetText(Path.GetDirectoryName(param.Filename) ?? param.Filename, TextDataFormat.Text); break; case CopyType.Link: var link = InternalGetUpload(id); data.SetText(string.IsNullOrEmpty(link) ? param.Filename : link, TextDataFormat.Text); break; default: data.SetText(param.Filename, TextDataFormat.Text); break; } //It tries to set the data to the clipboard 10 times before failing it to do so. //This issue may happen if the clipboard is opened by any clipboard manager. for (var i = 0; i < 10; i++) { try { Clipboard.SetDataObject(data, true); break; } catch (COMException ex) { if ((uint)ex.ErrorCode != 0x800401D0) //CLIPBRD_E_CANT_OPEN { throw; } } Thread.Sleep(100); } InternalSetCopy(id, true); } catch (Exception e) { LogWriter.Log(e, "It was not possible to copy the file."); InternalSetCopy(id, false, e); } }); } #endregion #region Execute commands if (param.ExecuteCommands && !string.IsNullOrWhiteSpace(param.PostCommands)) { InternalUpdate(id, "Encoder.Executing", true, true); var command = param.PostCommands.Replace("{p}", "\"" + param.Filename + "\"").Replace("{f}", "\"" + Path.GetDirectoryName(param.Filename) + "\""); var output = ""; try { foreach (var com in command.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries)) { var procStartInfo = new ProcessStartInfo("cmd", "/c " + com) { RedirectStandardOutput = true, RedirectStandardError = true, UseShellExecute = false, CreateNoWindow = true }; using (var process = new Process()) { process.StartInfo = procStartInfo; process.Start(); var message = process.StandardOutput.ReadToEnd(); var error = process.StandardError.ReadToEnd(); if (!string.IsNullOrWhiteSpace(message)) { output += message + Environment.NewLine; } if (!string.IsNullOrWhiteSpace(message)) { output += message + Environment.NewLine; } if (!string.IsNullOrWhiteSpace(error)) { throw new Exception(error); } process.WaitForExit(1000); } } InternalSetCommand(id, true, command, output); } catch (Exception e) { LogWriter.Log(e, "It was not possible to run the post encoding command."); InternalSetCommand(id, false, command, output, e); } } #endregion if (!tokenSource.Token.IsCancellationRequested) { SetStatus(Status.Completed, id, param.Filename); } } catch (Exception ex) { LogWriter.Log(ex, "Encode"); SetStatus(Status.Error, id, null, false, ex); } finally { #region Delete Encoder Folder try { var encoderFolder = Path.GetDirectoryName(listFrames[0].Path); if (!string.IsNullOrEmpty(encoderFolder)) { if (Directory.Exists(encoderFolder)) { Directory.Delete(encoderFolder, true); } } } catch (Exception ex) { LogWriter.Log(ex, "Cleaning the Encode folder"); } #endregion GC.Collect(); } }