Add Whisper translate to English option - thx David :)

Work on #6346

LanguageBaseEnglish.xml

@@ -194,6 +194,7 @@ Read more info (web)?</WhisperNotFound>
     <UsePostProcessing>Use post-processing (line merge, fix casing, punctuation, and more)</UsePostProcessing>
     <BatchMode>Batch mode</BatchMode>
     <KeepPartialTranscription>Keep partial transcription</KeepPartialTranscription>
+    <TranslateToEnglish>Translate to English</TranslateToEnglish>
   </AudioToText>
   <AssaAttachments>
     <Title>Advanced Sub Station Alpha attachments</Title>

src/ui/Forms/AudioToText/WhisperAudioToText.Designer.cs

@@ -54,6 +54,7 @@
             this.listViewInputFiles = new System.Windows.Forms.ListView();
             this.columnHeaderFileName = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
             this.labelFC = new System.Windows.Forms.Label();
+            this.checkBoxTranslateToEnglish = new System.Windows.Forms.CheckBox();
             this.groupBoxModels.SuspendLayout();
             this.groupBoxInputFiles.SuspendLayout();
             this.SuspendLayout();
@@ -134,9 +135,9 @@
             this.groupBoxModels.Controls.Add(this.linkLabelOpenModelsFolder);
             this.groupBoxModels.Controls.Add(this.labelModel);
             this.groupBoxModels.Controls.Add(this.comboBoxModels);
-            this.groupBoxModels.Location = new System.Drawing.Point(15, 66);
+            this.groupBoxModels.Location = new System.Drawing.Point(15, 59);
             this.groupBoxModels.Name = "groupBoxModels";
-            this.groupBoxModels.Size = new System.Drawing.Size(682, 82);
+            this.groupBoxModels.Size = new System.Drawing.Size(682, 83);
             this.groupBoxModels.TabIndex = 3;
             this.groupBoxModels.TabStop = false;
             this.groupBoxModels.Text = "Language and models";
@@ -158,6 +159,7 @@
             this.comboBoxLanguages.Name = "comboBoxLanguages";
             this.comboBoxLanguages.Size = new System.Drawing.Size(240, 21);
             this.comboBoxLanguages.TabIndex = 5;
+            this.comboBoxLanguages.SelectedIndexChanged += new System.EventHandler(this.comboBoxLanguages_SelectedIndexChanged);
             // 
             // buttonDownload
             // 
@@ -228,7 +230,7 @@
             // checkBoxUsePostProcessing
             // 
             this.checkBoxUsePostProcessing.AutoSize = true;
-            this.checkBoxUsePostProcessing.Location = new System.Drawing.Point(15, 162);
+            this.checkBoxUsePostProcessing.Location = new System.Drawing.Point(15, 177);
             this.checkBoxUsePostProcessing.Name = "checkBoxUsePostProcessing";
             this.checkBoxUsePostProcessing.Size = new System.Drawing.Size(312, 17);
             this.checkBoxUsePostProcessing.TabIndex = 4;
@@ -332,11 +334,22 @@
             this.labelFC.Text = "labelFC";
             this.labelFC.TextAlign = System.Drawing.ContentAlignment.TopRight;
             // 
+            // checkBoxTranslateToEnglish
+            // 
+            this.checkBoxTranslateToEnglish.AutoSize = true;
+            this.checkBoxTranslateToEnglish.Location = new System.Drawing.Point(15, 153);
+            this.checkBoxTranslateToEnglish.Name = "checkBoxTranslateToEnglish";
+            this.checkBoxTranslateToEnglish.Size = new System.Drawing.Size(119, 17);
+            this.checkBoxTranslateToEnglish.TabIndex = 20;
+            this.checkBoxTranslateToEnglish.Text = "Translate to English";
+            this.checkBoxTranslateToEnglish.UseVisualStyleBackColor = true;
+            // 
             // WhisperAudioToText
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(709, 464);
+            this.Controls.Add(this.checkBoxTranslateToEnglish);
             this.Controls.Add(this.labelFC);
             this.Controls.Add(this.groupBoxInputFiles);
             this.Controls.Add(this.buttonBatchMode);
@@ -397,5 +410,6 @@
         private System.Windows.Forms.Label labelFC;
         private System.Windows.Forms.Label labelChooseLanguage;
         private System.Windows.Forms.ComboBox comboBoxLanguages;
+        private System.Windows.Forms.CheckBox checkBoxTranslateToEnglish;
     }
 }

src/ui/Forms/AudioToText/WhisperAudioToText.cs

@@ -49,6 +49,7 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
             labelModel.Text = LanguageSettings.Current.AudioToText.ChooseModel;
             labelChooseLanguage.Text = LanguageSettings.Current.AudioToText.ChooseLanguage;
             linkLabelOpenModelsFolder.Text = LanguageSettings.Current.AudioToText.OpenModelsFolder;
+            checkBoxTranslateToEnglish.Text = LanguageSettings.Current.AudioToText.TranslateToEnglish;
             checkBoxUsePostProcessing.Text = LanguageSettings.Current.AudioToText.UsePostProcessing;
             buttonGenerate.Text = LanguageSettings.Current.Watermark.Generate;
             buttonCancel.Text = LanguageSettings.Current.General.Cancel;
@@ -305,7 +306,7 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
             labelProgress.Refresh();
             Application.DoEvents();
             _resultList = new List<ResultText>();
-            var process = GetWhisperProcess(waveFileName, model.Name, comboBoxLanguages.Text, OutputHandler);
+            var process = GetWhisperProcess(waveFileName, model.Name, comboBoxLanguages.Text, checkBoxTranslateToEnglish.Checked, OutputHandler);
             _outputText.Add("Calling whisper with : whisper " + process.StartInfo.Arguments);
             ShowProgressBar();
             progressBar1.Style = ProgressBarStyle.Marquee;
@@ -518,10 +519,17 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
             }
         }
 
-        public static Process GetWhisperProcess(string waveFileName, string model, string language, DataReceivedEventHandler dataReceivedHandler = null)
+        public static Process GetWhisperProcess(string waveFileName, string model, string language, bool translate, DataReceivedEventHandler dataReceivedHandler = null)
         {
             // whisper --model tiny.en --language English --fp16 False a.wav
-            var parameters = $"--model {model} --language \"{language}\" {Configuration.Settings.Tools.WhisperExtraSettings} \"{waveFileName}\"";
+
+            var translateToEnglish = translate ? "--task translate " : string.Empty;
+            if (language.ToLowerInvariant() == "english" || language.ToLowerInvariant() == "en")
+            {
+                translateToEnglish = string.Empty;
+            }
+
+            var parameters = $"--model {model} --language \"{language}\" {translateToEnglish}{Configuration.Settings.Tools.WhisperExtraSettings} \"{waveFileName}\"";
             var process = new Process { StartInfo = new ProcessStartInfo("whisper", parameters) { WindowStyle = ProcessWindowStyle.Hidden, CreateNoWindow = true } };
 
             if (!string.IsNullOrEmpty(Configuration.Settings.General.FFmpegLocation) && process.StartInfo.EnvironmentVariables["Path"] != null)
@@ -801,5 +809,10 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
                 }
             }
         }
+
+        private void comboBoxLanguages_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            checkBoxTranslateToEnglish.Enabled = comboBoxLanguages.Text.ToLowerInvariant() != "english";
+        }
     }
 }

src/ui/Forms/AudioToText/WhisperAudioToTextSelectedLines.Designer.cs

@@ -49,6 +49,7 @@
             this.groupBoxInputFiles = new System.Windows.Forms.GroupBox();
             this.listViewInputFiles = new System.Windows.Forms.ListView();
             this.columnHeaderFileName = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
+            this.checkBoxTranslateToEnglish = new System.Windows.Forms.CheckBox();
             this.groupBoxModels.SuspendLayout();
             this.groupBoxInputFiles.SuspendLayout();
             this.SuspendLayout();
@@ -129,7 +130,7 @@
             this.groupBoxModels.Controls.Add(this.linkLabelOpenModelsFolder);
             this.groupBoxModels.Controls.Add(this.labelModel);
             this.groupBoxModels.Controls.Add(this.comboBoxModels);
-            this.groupBoxModels.Location = new System.Drawing.Point(15, 66);
+            this.groupBoxModels.Location = new System.Drawing.Point(15, 60);
             this.groupBoxModels.Name = "groupBoxModels";
             this.groupBoxModels.Size = new System.Drawing.Size(682, 82);
             this.groupBoxModels.TabIndex = 1;
@@ -153,6 +154,7 @@
             this.comboBoxLanguages.Name = "comboBoxLanguages";
             this.comboBoxLanguages.Size = new System.Drawing.Size(194, 21);
             this.comboBoxLanguages.TabIndex = 7;
+            this.comboBoxLanguages.SelectedIndexChanged += new System.EventHandler(this.comboBoxLanguages_SelectedIndexChanged);
             // 
             // buttonDownload
             // 
@@ -223,7 +225,7 @@
             // checkBoxUsePostProcessing
             // 
             this.checkBoxUsePostProcessing.AutoSize = true;
-            this.checkBoxUsePostProcessing.Location = new System.Drawing.Point(15, 162);
+            this.checkBoxUsePostProcessing.Location = new System.Drawing.Point(15, 172);
             this.checkBoxUsePostProcessing.Name = "checkBoxUsePostProcessing";
             this.checkBoxUsePostProcessing.Size = new System.Drawing.Size(312, 17);
             this.checkBoxUsePostProcessing.TabIndex = 2;
@@ -265,11 +267,22 @@
             this.columnHeaderFileName.Text = "File name";
             this.columnHeaderFileName.Width = 455;
             // 
+            // checkBoxTranslateToEnglish
+            // 
+            this.checkBoxTranslateToEnglish.AutoSize = true;
+            this.checkBoxTranslateToEnglish.Location = new System.Drawing.Point(15, 148);
+            this.checkBoxTranslateToEnglish.Name = "checkBoxTranslateToEnglish";
+            this.checkBoxTranslateToEnglish.Size = new System.Drawing.Size(119, 17);
+            this.checkBoxTranslateToEnglish.TabIndex = 21;
+            this.checkBoxTranslateToEnglish.Text = "Translate to English";
+            this.checkBoxTranslateToEnglish.UseVisualStyleBackColor = true;
+            // 
             // WhisperAudioToTextSelectedLines
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(709, 464);
+            this.Controls.Add(this.checkBoxTranslateToEnglish);
             this.Controls.Add(this.groupBoxInputFiles);
             this.Controls.Add(this.checkBoxUsePostProcessing);
             this.Controls.Add(this.labelTime);
@@ -323,5 +336,6 @@
         private System.Windows.Forms.ColumnHeader columnHeaderFileName;
         private System.Windows.Forms.Label labelChooseLanguage;
         private System.Windows.Forms.ComboBox comboBoxLanguages;
+        private System.Windows.Forms.CheckBox checkBoxTranslateToEnglish;
     }
 }

src/ui/Forms/AudioToText/WhisperAudioToTextSelectedLines.cs

@@ -40,6 +40,7 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
             labelModel.Text = LanguageSettings.Current.AudioToText.ChooseModel;
             labelChooseLanguage.Text = LanguageSettings.Current.AudioToText.ChooseLanguage;
             linkLabelOpenModelsFolder.Text = LanguageSettings.Current.AudioToText.OpenModelsFolder;
+            checkBoxTranslateToEnglish.Text = LanguageSettings.Current.AudioToText.TranslateToEnglish;
             checkBoxUsePostProcessing.Text = LanguageSettings.Current.AudioToText.UsePostProcessing;
             buttonGenerate.Text = LanguageSettings.Current.Watermark.Generate;
             buttonCancel.Text = LanguageSettings.Current.General.Cancel;
@@ -172,7 +173,7 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
             labelProgress.Refresh();
             Application.DoEvents();
             _resultList = new List<ResultText>();
-            var process = WhisperAudioToText.GetWhisperProcess(waveFileName, model.Name, comboBoxLanguages.Text, OutputHandler);
+            var process = WhisperAudioToText.GetWhisperProcess(waveFileName, model.Name, comboBoxLanguages.Text, checkBoxTranslateToEnglish.Checked, OutputHandler);
             _outputText.Add("Calling whisper with : whisper " + process.StartInfo.Arguments);
             ShowProgressBar();
             progressBar1.Style = ProgressBarStyle.Marquee;
@@ -438,5 +439,10 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
         {
             listViewInputFiles.AutoSizeLastColumn();
         }
+
+        private void comboBoxLanguages_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            checkBoxTranslateToEnglish.Enabled = comboBoxLanguages.Text.ToLowerInvariant() != "english";
+        }
     }
 }

src/ui/Logic/Language.cs

@@ -340,6 +340,7 @@ namespace Nikse.SubtitleEdit.Logic
                 BatchMode = "Batch mode",
                 XFilesSavedToVideoSourceFolder = "{0} files saved to video source folder",
                 KeepPartialTranscription = "Keep partial transcription",
+                TranslateToEnglish = "Translate to English",
             };
 
             AssaAttachments = new LanguageStructure.AssaAttachments

src/ui/Logic/LanguageDeserializer.cs

@@ -523,6 +523,9 @@ namespace Nikse.SubtitleEdit.Logic
                 case "AudioToText/KeepPartialTranscription":
                     language.AudioToText.KeepPartialTranscription = reader.Value;
                     break;
+                case "AudioToText/TranslateToEnglish":
+                    language.AudioToText.TranslateToEnglish = reader.Value;
+                    break;
                 case "AssaAttachments/Title":
                     language.AssaAttachments.Title = reader.Value;
                     break;

src/ui/Logic/LanguageStructure.cs

@@ -1,4 +1,6 @@
-namespace Nikse.SubtitleEdit.Logic
+using System.Drawing;
+
+namespace Nikse.SubtitleEdit.Logic
 {
     // The language classes are built for easy xml-serialization (makes save/load code simple)
     public static class LanguageStructure
@@ -196,6 +198,7 @@
             public string UsePostProcessing { get; set; }
             public string BatchMode { get; set; }
             public string KeepPartialTranscription { get; set; }
+            public string TranslateToEnglish { get; set; }
         }
 
         public class AssaAttachments