Work on NLLB

LanguageBaseEnglish.xml

@@ -1044,6 +1044,7 @@ We leverage the intrinsic rhythm of the image.</CreateSimpleChainingToolTip>
     <PleaseWait>Please wait... this may take a while</PleaseWait>
     <PoweredByGoogleTranslate>Powered by Google translate</PoweredByGoogleTranslate>
     <PoweredByMicrosoftTranslate>Powered by Microsoft translate</PoweredByMicrosoftTranslate>
+    <PoweredByX>Powered by {0}</PoweredByX>
     <MsClientSecretNeeded>Sorry, you need a Cognitive Services 'Translator Text' key from Microsoft to use the latest Microsoft Translator.
 
 Go to "Options -&gt; Settings -&gt; Tools" to enter your key.</MsClientSecretNeeded>

src/libse/AutoTranslate/IAutoTranslator.cs

@@ -6,10 +6,34 @@ namespace Nikse.SubtitleEdit.Core.AutoTranslate
 {
     public interface IAutoTranslator
     {
-        void Initialize(string url);
+        /// <summary>
+        /// Name of auto translator (can be translated).
+        /// </summary>
+        string Name { get; set; }
+
+        /// <summary>
+        /// Url to homepage.
+        /// </summary>
         string Url { get; }
+
+        /// <summary>
+        /// Initialization before calling translate.
+        /// </summary>
+        void Initialize();
+
+        /// <summary>
+        /// Get languages that can be translated from.
+        /// </summary>
         List<TranslationPair> GetSupportedSourceLanguages();
+
+        /// <summary>
+        /// Get languages that can be translated to.
+        /// </summary>
         List<TranslationPair> GetSupportedTargetLanguages();
+
+        /// <summary>
+        /// Do translation.
+        /// </summary>
         Task<string> Translate(string text, string sourceLanguageCode, string targetLanguageCode);
     }
 }

src/libse/AutoTranslate/NoLanguageLeftBehindApi.cs

@@ -0,0 +1,58 @@
+using Nikse.SubtitleEdit.Core.Common;
+using Nikse.SubtitleEdit.Core.Http;
+using Nikse.SubtitleEdit.Core.SubtitleFormats;
+using Nikse.SubtitleEdit.Core.Translate;
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nikse.SubtitleEdit.Core.AutoTranslate
+{
+    public class NoLanguageLeftBehindApi : IAutoTranslator
+    {
+        private IDownloader _httpClient;
+
+        public string Name { get; set; } = "winstxnhdw-nllb-api";
+        public string Url => "https://github.com/winstxnhdw/nllb-api";
+
+        public void Initialize()
+        {
+            _httpClient?.Dispose();
+            _httpClient = DownloaderFactory.MakeHttpClient();
+            _httpClient.DefaultRequestHeaders.TryAddWithoutValidation("Content-Type", "application/json");
+            _httpClient.DefaultRequestHeaders.TryAddWithoutValidation("accept", "application/json");
+            _httpClient.BaseAddress = new Uri(Configuration.Settings.Tools.AutoTranslateNllbApiUrl);
+        }
+
+        public List<TranslationPair> GetSupportedSourceLanguages()
+        {
+            return new NoLanguageLeftBehindServe().GetSupportedSourceLanguages();
+        }
+
+        public List<TranslationPair> GetSupportedTargetLanguages()
+        {
+            return new NoLanguageLeftBehindServe().GetSupportedTargetLanguages();
+        }
+
+        public async Task<string> Translate(string text, string sourceLanguageCode, string targetLanguageCode)
+        {
+            var content = new StringContent("{ \"text\": \"" + Json.EncodeJsonText(text) + "\",  \"source\": \"" + sourceLanguageCode + "\", \"target\": \"" + targetLanguageCode + "\" }", Encoding.UTF8, "application/json");
+            var result = _httpClient.PostAsync("translate", content).Result;
+            result.EnsureSuccessStatusCode();
+            var bytes = await result.Content.ReadAsByteArrayAsync();
+            var resultText = Encoding.UTF8.GetString(bytes).Trim();
+
+            // error messages are returned as json, translated text are just returned as normal utf-8 text
+            var validator = new SeJsonValidator();
+            var isValidJson = validator.ValidateJson(resultText);
+            if (isValidJson)
+            {
+                SeLogger.Error($"{this.GetType().Name} got json back which is probably an error: {resultText}");
+            }
+
+            return resultText;
+        }
+    }
+}

src/libse/AutoTranslate/NoLanguageLeftBehindServe.cs

@@ -1,28 +1,32 @@
 using Nikse.SubtitleEdit.Core.Common;
-using Nikse.SubtitleEdit.Core.Http;
-using Nikse.SubtitleEdit.Core.SubtitleFormats;
 using Nikse.SubtitleEdit.Core.Translate;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
 using System.Net.Http;
 using System.Text;
 using System.Threading.Tasks;
+using Nikse.SubtitleEdit.Core.Http;
+using Nikse.SubtitleEdit.Core.SubtitleFormats;
+using System.Net.Http.Headers;
 
 namespace Nikse.SubtitleEdit.Core.AutoTranslate
 {
-    public class AutoTranslator : IAutoTranslator
+    public class NoLanguageLeftBehindServe : IAutoTranslator
     {
         private IDownloader _httpClient;
 
-        public string Url => "https://winstxnhdw-nllb-api.hf.space/api/v2/";
+        public string Name { get; set; } = "thammegowda-nllb-serve";
+        public string Url => "https://github.com/thammegowda/nllb-serve";
 
-        public void Initialize(string url)
+        public void Initialize()
         {
             _httpClient?.Dispose();
             _httpClient = DownloaderFactory.MakeHttpClient();
             _httpClient.DefaultRequestHeaders.TryAddWithoutValidation("Content-Type", "application/json");
             _httpClient.DefaultRequestHeaders.TryAddWithoutValidation("accept", "application/json");
-            _httpClient.BaseAddress = new Uri(url);
+            _httpClient.BaseAddress = new Uri(Configuration.Settings.Tools.AutoTranslateNllbServeUrl);
         }
 
         public List<TranslationPair> GetSupportedSourceLanguages()
@@ -37,21 +41,37 @@ namespace Nikse.SubtitleEdit.Core.AutoTranslate
 
         public async Task<string> Translate(string text, string sourceLanguageCode, string targetLanguageCode)
         {
-            var content = new StringContent("{\n  \"text\": \"" + Json.EncodeJsonText(text) + "\",\n  \"source\": \"" + sourceLanguageCode+ "\",\n  \"target\": \"" + targetLanguageCode + "\"\n}", Encoding.UTF8, "application/json");
+            var list = text.SplitToLines();
+            var sb = new StringBuilder();
+            foreach (var line in list)
+            {
+                sb.Append("\"" + Json.EncodeJsonText(text) + "\", ");
+            }
+
+            var src = sb.ToString().TrimEnd().TrimEnd(',').Trim();
+            var input = "{\"source\":[" + src + "], \"src_lang\": \"" + sourceLanguageCode + "\", \"tgt_lang\": \"" + targetLanguageCode + "\"}";
+            var content = new StringContent(input, Encoding.UTF8);
+            content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json");
+
             var result = _httpClient.PostAsync("translate", content).Result;
             result.EnsureSuccessStatusCode();
             var bytes = await result.Content.ReadAsByteArrayAsync();
-            var resultText = Encoding.UTF8.GetString(bytes).Trim();
+            var json = Encoding.UTF8.GetString(bytes).Trim();
 
-            // error messages are returned as json, translated text are just returned as normal utf-8 text
+            var parser = new SeJsonParser();
-            var validator = new SeJsonValidator();
+            var arr = parser.GetArrayElementsByName(json, "translation");
-            var isValidJson = validator.ValidateJson(resultText);
+            if (arr == null || arr.Count == 0)
-            if (isValidJson)
             {
-                SeLogger.Error($"{this.GetType().Name} got json back which is probably an error: {resultText}");
+                return string.Empty;
             }
 
-            return resultText;
+            var resultText = new StringBuilder();
+            foreach (var item in arr)
+            {
+                resultText.AppendLine(Json.DecodeJsonText(item));
+            }
+
+            return resultText.ToString().Trim();
         }
 
         private static List<TranslationPair> ListLanguages()

src/ui/Forms/Translate/AutoTranslate.Designer.cs

@@ -36,6 +36,8 @@
             this.labelTarget = new System.Windows.Forms.Label();
             this.labelSource = new System.Windows.Forms.Label();
             this.labelUrl = new System.Windows.Forms.Label();
+            this.linkLabelPoweredBy = new System.Windows.Forms.LinkLabel();
+            this.nikseComboBoxEngine = new Nikse.SubtitleEdit.Controls.NikseComboBox();
             this.nikseComboBoxUrl = new Nikse.SubtitleEdit.Controls.NikseComboBox();
             this.comboBoxSource = new Nikse.SubtitleEdit.Controls.NikseComboBox();
             this.comboBoxTarget = new Nikse.SubtitleEdit.Controls.NikseComboBox();
@@ -45,7 +47,7 @@
             // 
             // progressBar1
             // 
-            this.progressBar1.Location = new System.Drawing.Point(699, 27);
+            this.progressBar1.Location = new System.Drawing.Point(699, 29);
             this.progressBar1.Name = "progressBar1";
             this.progressBar1.Size = new System.Drawing.Size(192, 16);
             this.progressBar1.TabIndex = 100;
@@ -53,7 +55,7 @@
             // labelPleaseWait
             // 
             this.labelPleaseWait.AutoSize = true;
-            this.labelPleaseWait.Location = new System.Drawing.Point(697, 11);
+            this.labelPleaseWait.Location = new System.Drawing.Point(697, 13);
             this.labelPleaseWait.Name = "labelPleaseWait";
             this.labelPleaseWait.Size = new System.Drawing.Size(171, 13);
             this.labelPleaseWait.TabIndex = 99;
@@ -84,7 +86,7 @@
             // 
             // buttonTranslate
             // 
-            this.buttonTranslate.Location = new System.Drawing.Point(618, 22);
+            this.buttonTranslate.Location = new System.Drawing.Point(618, 24);
             this.buttonTranslate.Name = "buttonTranslate";
             this.buttonTranslate.Size = new System.Drawing.Size(75, 23);
             this.buttonTranslate.TabIndex = 96;
@@ -95,7 +97,7 @@
             // labelTarget
             // 
             this.labelTarget.AutoSize = true;
-            this.labelTarget.Location = new System.Drawing.Point(462, 27);
+            this.labelTarget.Location = new System.Drawing.Point(462, 29);
             this.labelTarget.Name = "labelTarget";
             this.labelTarget.Size = new System.Drawing.Size(23, 13);
             this.labelTarget.TabIndex = 104;
@@ -104,7 +106,7 @@
             // labelSource
             // 
             this.labelSource.AutoSize = true;
-            this.labelSource.Location = new System.Drawing.Point(279, 27);
+            this.labelSource.Location = new System.Drawing.Point(279, 29);
             this.labelSource.Name = "labelSource";
             this.labelSource.Size = new System.Drawing.Size(33, 13);
             this.labelSource.TabIndex = 103;
@@ -120,6 +122,41 @@
             this.labelUrl.TabIndex = 106;
             this.labelUrl.Text = "Url:";
             // 
+            // linkLabelPoweredBy
+            // 
+            this.linkLabelPoweredBy.AutoSize = true;
+            this.linkLabelPoweredBy.Location = new System.Drawing.Point(14, 5);
+            this.linkLabelPoweredBy.Name = "linkLabelPoweredBy";
+            this.linkLabelPoweredBy.Size = new System.Drawing.Size(73, 13);
+            this.linkLabelPoweredBy.TabIndex = 109;
+            this.linkLabelPoweredBy.TabStop = true;
+            this.linkLabelPoweredBy.Text = "Powered by X";
+            this.linkLabelPoweredBy.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkLabelPoweredBy_LinkClicked);
+            // 
+            // nikseComboBoxEngine
+            // 
+            this.nikseComboBoxEngine.BackColor = System.Drawing.SystemColors.Window;
+            this.nikseComboBoxEngine.BackColorDisabled = System.Drawing.Color.FromArgb(((int)(((byte)(240)))), ((int)(((byte)(240)))), ((int)(((byte)(240)))));
+            this.nikseComboBoxEngine.BorderColor = System.Drawing.Color.FromArgb(((int)(((byte)(171)))), ((int)(((byte)(173)))), ((int)(((byte)(179)))));
+            this.nikseComboBoxEngine.BorderColorDisabled = System.Drawing.Color.FromArgb(((int)(((byte)(120)))), ((int)(((byte)(120)))), ((int)(((byte)(120)))));
+            this.nikseComboBoxEngine.ButtonForeColor = System.Drawing.SystemColors.ControlText;
+            this.nikseComboBoxEngine.ButtonForeColorDown = System.Drawing.Color.Orange;
+            this.nikseComboBoxEngine.ButtonForeColorOver = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(120)))), ((int)(((byte)(215)))));
+            this.nikseComboBoxEngine.DropDownHeight = 400;
+            this.nikseComboBoxEngine.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.nikseComboBoxEngine.DropDownWidth = 221;
+            this.nikseComboBoxEngine.FormattingEnabled = true;
+            this.nikseComboBoxEngine.Location = new System.Drawing.Point(12, 24);
+            this.nikseComboBoxEngine.MaxLength = 32767;
+            this.nikseComboBoxEngine.Name = "nikseComboBoxEngine";
+            this.nikseComboBoxEngine.SelectedIndex = -1;
+            this.nikseComboBoxEngine.SelectedItem = null;
+            this.nikseComboBoxEngine.SelectedText = "";
+            this.nikseComboBoxEngine.Size = new System.Drawing.Size(221, 21);
+            this.nikseComboBoxEngine.TabIndex = 107;
+            this.nikseComboBoxEngine.UsePopupWindow = false;
+            this.nikseComboBoxEngine.SelectedIndexChanged += new System.EventHandler(this.nikseComboBoxEngine_SelectedIndexChanged);
+            // 
             // nikseComboBoxUrl
             // 
             this.nikseComboBoxUrl.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
@@ -143,6 +180,7 @@
             this.nikseComboBoxUrl.Size = new System.Drawing.Size(280, 21);
             this.nikseComboBoxUrl.TabIndex = 105;
             this.nikseComboBoxUrl.UsePopupWindow = false;
+            this.nikseComboBoxUrl.SelectedIndexChanged += new System.EventHandler(this.nikseComboBoxUrl_SelectedIndexChanged);
             // 
             // comboBoxSource
             // 
@@ -155,9 +193,9 @@
             this.comboBoxSource.ButtonForeColorOver = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(120)))), ((int)(((byte)(215)))));
             this.comboBoxSource.DropDownHeight = 400;
             this.comboBoxSource.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.comboBoxSource.DropDownWidth = 200;
+            this.comboBoxSource.DropDownWidth = 140;
             this.comboBoxSource.FormattingEnabled = true;
-            this.comboBoxSource.Location = new System.Drawing.Point(321, 23);
+            this.comboBoxSource.Location = new System.Drawing.Point(321, 25);
             this.comboBoxSource.MaxLength = 32767;
             this.comboBoxSource.Name = "comboBoxSource";
             this.comboBoxSource.SelectedIndex = -1;
@@ -178,9 +216,9 @@
             this.comboBoxTarget.ButtonForeColorOver = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(120)))), ((int)(((byte)(215)))));
             this.comboBoxTarget.DropDownHeight = 400;
             this.comboBoxTarget.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.comboBoxTarget.DropDownWidth = 200;
+            this.comboBoxTarget.DropDownWidth = 140;
             this.comboBoxTarget.FormattingEnabled = true;
-            this.comboBoxTarget.Location = new System.Drawing.Point(491, 23);
+            this.comboBoxTarget.Location = new System.Drawing.Point(491, 25);
             this.comboBoxTarget.MaxLength = 32767;
             this.comboBoxTarget.Name = "comboBoxTarget";
             this.comboBoxTarget.SelectedIndex = -1;
@@ -199,10 +237,10 @@
             this.subtitleListViewTarget.GridLines = true;
             this.subtitleListViewTarget.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
             this.subtitleListViewTarget.HideSelection = false;
-            this.subtitleListViewTarget.Location = new System.Drawing.Point(465, 52);
+            this.subtitleListViewTarget.Location = new System.Drawing.Point(465, 53);
             this.subtitleListViewTarget.Name = "subtitleListViewTarget";
             this.subtitleListViewTarget.OwnerDraw = true;
-            this.subtitleListViewTarget.Size = new System.Drawing.Size(428, 459);
+            this.subtitleListViewTarget.Size = new System.Drawing.Size(428, 458);
             this.subtitleListViewTarget.SubtitleFontBold = false;
             this.subtitleListViewTarget.SubtitleFontName = "Tahoma";
             this.subtitleListViewTarget.SubtitleFontSize = 8;
@@ -220,10 +258,10 @@
             this.subtitleListViewSource.GridLines = true;
             this.subtitleListViewSource.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
             this.subtitleListViewSource.HideSelection = false;
-            this.subtitleListViewSource.Location = new System.Drawing.Point(12, 52);
+            this.subtitleListViewSource.Location = new System.Drawing.Point(12, 53);
             this.subtitleListViewSource.Name = "subtitleListViewSource";
             this.subtitleListViewSource.OwnerDraw = true;
-            this.subtitleListViewSource.Size = new System.Drawing.Size(430, 459);
+            this.subtitleListViewSource.Size = new System.Drawing.Size(430, 458);
             this.subtitleListViewSource.SubtitleFontBold = false;
             this.subtitleListViewSource.SubtitleFontName = "Tahoma";
             this.subtitleListViewSource.SubtitleFontSize = 8;
@@ -237,6 +275,8 @@
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(1058, 563);
+            this.Controls.Add(this.linkLabelPoweredBy);
+            this.Controls.Add(this.nikseComboBoxEngine);
             this.Controls.Add(this.labelUrl);
             this.Controls.Add(this.nikseComboBoxUrl);
             this.Controls.Add(this.labelTarget);
@@ -258,6 +298,7 @@
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
             this.Text = "AutoTranslate";
             this.ResizeEnd += new System.EventHandler(this.AutoTranslate_ResizeEnd);
+            this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.AutoTranslate_KeyDown);
             this.Resize += new System.EventHandler(this.AutoTranslate_Resize);
             this.ResumeLayout(false);
             this.PerformLayout();
@@ -279,5 +320,7 @@
         private System.Windows.Forms.Label labelSource;
         private System.Windows.Forms.Label labelUrl;
         private Controls.NikseComboBox nikseComboBoxUrl;
+        private Controls.NikseComboBox nikseComboBoxEngine;
+        private System.Windows.Forms.LinkLabel linkLabelPoweredBy;
     }
 }

src/ui/Forms/Translate/AutoTranslate.cs

@@ -17,7 +17,8 @@ namespace Nikse.SubtitleEdit.Forms.Translate
         public Subtitle TranslatedSubtitle { get; }
         private readonly Subtitle _subtitle;
         private readonly Encoding _encoding;
-        private readonly IAutoTranslator _autoTranslator;
+        private IAutoTranslator _autoTranslator;
+        private List<IAutoTranslator> _autoTranslatorEngines;
         private int _translationProgressIndex = -1;
         private bool _translationProgressDirty = true;
         private bool _breakTranslation;
@@ -41,6 +42,10 @@ namespace Nikse.SubtitleEdit.Forms.Translate
             subtitleListViewTarget.HideColumn(SubtitleListView.SubtitleColumn.WordsPerMinute);
             UiUtil.InitializeSubtitleFont(subtitleListViewSource);
             UiUtil.InitializeSubtitleFont(subtitleListViewTarget);
+            subtitleListViewSource.HideColumn(SubtitleListView.SubtitleColumn.End);
+            subtitleListViewSource.HideColumn(SubtitleListView.SubtitleColumn.Gap);
+            subtitleListViewTarget.HideColumn(SubtitleListView.SubtitleColumn.End);
+            subtitleListViewTarget.HideColumn(SubtitleListView.SubtitleColumn.Gap);
             subtitleListViewSource.AutoSizeColumns();
             subtitleListViewSource.AutoSizeColumns();
             UiUtil.FixLargeFonts(this, buttonOK);
@@ -51,10 +56,8 @@ namespace Nikse.SubtitleEdit.Forms.Translate
                 Text = title;
             }
 
-            nikseComboBoxUrl.Items.Clear();
+            InitializeAutoTranslatorEngines();
-            nikseComboBoxUrl.Items.Add("https://winstxnhdw-nllb-api.hf.space/api/v2/");
+
-            nikseComboBoxUrl.Items.Add("http://localhost:7860/api/v2/");
-            nikseComboBoxUrl.SelectedIndex = 0;
             nikseComboBoxUrl.UsePopupWindow = true;
 
             labelPleaseWait.Visible = false;
@@ -80,11 +83,92 @@ namespace Nikse.SubtitleEdit.Forms.Translate
             subtitleListViewSource.Fill(_subtitle);
             AutoTranslate_Resize(null, null);
 
-            _autoTranslator = new AutoTranslator();
+            _autoTranslator = new NoLanguageLeftBehindApi();
             SetupLanguageSettings();
             UpdateTranslation();
         }
 
+        private void InitializeAutoTranslatorEngines()
+        {
+            _autoTranslatorEngines = new List<IAutoTranslator>
+            {
+                new NoLanguageLeftBehindServe(),
+                new NoLanguageLeftBehindApi(),
+            };
+
+            nikseComboBoxEngine.Items.Clear();
+            nikseComboBoxEngine.Items.AddRange(_autoTranslatorEngines.Select(p => p.Name).ToArray<object>());
+
+            if (!string.IsNullOrEmpty(Configuration.Settings.Tools.AutoTranslateLastName))
+            {
+                var lastEngine = _autoTranslatorEngines.FirstOrDefault(p => p.Name == Configuration.Settings.Tools.AutoTranslateLastName);
+                if (lastEngine != null)
+                {
+                    nikseComboBoxEngine.SelectedIndex = _autoTranslatorEngines.IndexOf(lastEngine);
+                }
+            }
+
+            if (nikseComboBoxEngine.SelectedIndex < 0)
+            {
+                nikseComboBoxEngine.SelectedIndex = 0;
+            }
+
+            if (!string.IsNullOrEmpty(Configuration.Settings.Tools.AutoTranslateLastUrl))
+            {
+                nikseComboBoxUrl.SelectedText = Configuration.Settings.Tools.AutoTranslateLastUrl;
+            }
+        }
+
+        private void SetAutoTranslatorEngine()
+        {
+            var engine = GetCurrentEngine();
+            linkLabelPoweredBy.Text = string.Format(LanguageSettings.Current.GoogleTranslate.PoweredByX, engine.Name);
+            var engineType = engine.GetType();
+
+            if (engineType == typeof(NoLanguageLeftBehindServe))
+            {
+                nikseComboBoxUrl.Items.Clear();
+                nikseComboBoxUrl.Items.Add("http://127.0.0.1:6060/");
+                nikseComboBoxUrl.Items.Add("http://192.168.8.127:6060/");
+                nikseComboBoxUrl.SelectedIndex = 0;
+                nikseComboBoxUrl.Visible = true;
+                labelUrl.Visible = true;
+                return;
+            }
+
+            if (engineType == typeof(NoLanguageLeftBehindApi))
+            {
+                nikseComboBoxUrl.Items.Clear();
+                nikseComboBoxUrl.Items.Add("http://localhost:7860/api/v2/");
+                nikseComboBoxUrl.SelectedIndex = 0;
+                nikseComboBoxUrl.Visible = true;
+                labelUrl.Visible = true;
+                return;
+            }
+
+            throw new Exception($"Engine {engine.Name} not handled!");
+        }
+
+        private void SetAutoTranslatorUrl(string url)
+        {
+            var engine = GetCurrentEngine();
+            var engineType = engine.GetType();
+
+            if (engineType == typeof(NoLanguageLeftBehindApi))
+            {
+                Configuration.Settings.Tools.AutoTranslateNllbApiUrl = url;
+                return;
+            }
+
+            if (engineType == typeof(NoLanguageLeftBehindServe))
+            {
+                Configuration.Settings.Tools.AutoTranslateNllbApiUrl = url;
+                return;
+            }
+
+            throw new Exception($"Engine {engine.Name} not handled!");
+        }
+
         private void SetupLanguageSettings()
         {
             FillComboWithLanguages(comboBoxSource, _autoTranslator.GetSupportedSourceLanguages());
@@ -256,7 +340,8 @@ namespace Nikse.SubtitleEdit.Forms.Translate
             progressBar1.Visible = true;
             labelPleaseWait.Visible = true;
 
-            _autoTranslator.Initialize(nikseComboBoxUrl.Text);
+            _autoTranslator = GetCurrentEngine();
+            _autoTranslator.Initialize();
 
             var timerUpdate = new Timer();
             timerUpdate.Interval = 1500;
@@ -600,6 +685,7 @@ namespace Nikse.SubtitleEdit.Forms.Translate
             _translationProgressDirty = true;
             subtitleListViewTarget.SelectIndexAndEnsureVisible(_translationProgressIndex);
             subtitleListViewTarget.EndUpdate();
+            subtitleListViewSource.SelectIndexAndEnsureVisible(_translationProgressIndex);
         }
 
         private void AutoTranslate_ResizeEnd(object sender, EventArgs e)
@@ -609,13 +695,51 @@ namespace Nikse.SubtitleEdit.Forms.Translate
 
         private void buttonOK_Click(object sender, EventArgs e)
         {
+            var engine = GetCurrentEngine();
+            Configuration.Settings.Tools.AutoTranslateLastName = engine.Name;
+            Configuration.Settings.Tools.AutoTranslateLastUrl = nikseComboBoxUrl.Text;
+
             var isEmpty = TranslatedSubtitle == null || TranslatedSubtitle.Paragraphs.All(p => string.IsNullOrEmpty(p.Text));
             DialogResult = isEmpty ? DialogResult.Cancel : DialogResult.OK;
         }
 
+        private IAutoTranslator GetCurrentEngine()
+        {
+            return _autoTranslatorEngines.First(p => p.Name == nikseComboBoxEngine.Text);
+        }
+
         private void buttonCancel_Click(object sender, EventArgs e)
         {
             DialogResult = DialogResult.Cancel;
         }
+
+        private void nikseComboBoxEngine_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            SetAutoTranslatorEngine();
+        }
+
+        private void nikseComboBoxUrl_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            SetAutoTranslatorUrl(nikseComboBoxUrl.Text);
+        }
+
+        private void linkLabelPoweredBy_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
+        {
+            var engine = _autoTranslatorEngines.First(p => p.Name == nikseComboBoxEngine.Text);
+            UiUtil.OpenUrl(engine.Url);
+        }
+
+        private void AutoTranslate_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.KeyCode == Keys.Escape)
+            {
+                DialogResult = DialogResult.Cancel;
+            }
+            else if (e.KeyData == UiUtil.HelpKeys)
+            {
+                UiUtil.ShowHelp("#translation");
+                e.SuppressKeyPress = true;
+            }
+        }
     }
 }

src/ui/Logic/Language.cs

@@ -1303,6 +1303,7 @@ namespace Nikse.SubtitleEdit.Logic
                 PleaseWait = "Please wait... this may take a while",
                 PoweredByGoogleTranslate = "Powered by Google translate",
                 PoweredByMicrosoftTranslate = "Powered by Microsoft translate",
+                PoweredByX = "Powered by {0}",
                 MsClientSecretNeeded = "Sorry, you need a Cognitive Services 'Translator Text' key from Microsoft to use the latest Microsoft Translator." + Environment.NewLine +
                                        Environment.NewLine +
                                        "Go to \"Options -> Settings -> Tools\" to enter your key.",

src/ui/Logic/LanguageDeserializer.cs

@@ -2749,6 +2749,9 @@ namespace Nikse.SubtitleEdit.Logic
                 case "GoogleTranslate/PoweredByMicrosoftTranslate":
                     language.GoogleTranslate.PoweredByMicrosoftTranslate = reader.Value;
                     break;
+                case "GoogleTranslate/PoweredByX":
+                    language.GoogleTranslate.PoweredByX = reader.Value;
+                    break;
                 case "GoogleTranslate/MsClientSecretNeeded":
                     language.GoogleTranslate.MsClientSecretNeeded = reader.Value;
                     break;

src/ui/Logic/LanguageStructure.cs

@@ -1127,6 +1127,7 @@
             public string PleaseWait { get; set; }
             public string PoweredByGoogleTranslate { get; set; }
             public string PoweredByMicrosoftTranslate { get; set; }
+            public string PoweredByX { get; set; }
             public string MsClientSecretNeeded { get; set; }
             public string GoogleNoApiKeyWarning { get; set; }
             public string Service { get; set; }