internal static bool BatchConvertSave(string toFormat, string offset, Encoding targetEncoding, string outputFolder, int count, ref int converted, ref int errors, IList<SubtitleFormat> formats, string fileName, Subtitle sub, SubtitleFormat format, bool overwrite, string pacCodePage, double? targetFrameRate)
        {
            double oldFrameRate = Configuration.Settings.General.CurrentFrameRate;
            try
            {
                // adjust offset
                if (!string.IsNullOrEmpty(offset) && (offset.StartsWith("/offset:") || offset.StartsWith("offset:")))
                {
                    string[] parts = offset.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
                    if (parts.Length == 5)
                    {
                        try
                        {
                            var ts = new TimeSpan(0, int.Parse(parts[1].TrimStart('-')), int.Parse(parts[2]), int.Parse(parts[3]), int.Parse(parts[4]));
                            if (parts[1].StartsWith('-'))
                                sub.AddTimeToAllParagraphs(ts.Negate());
                            else
                                sub.AddTimeToAllParagraphs(ts);
                        }
                        catch
                        {
                            Console.Write(" (unable to read offset " + offset + ")");
                        }
                    }
                }

                // adjust frame rate
                if (targetFrameRate.HasValue)
                {
                    sub.ChangeFrameRate(Configuration.Settings.General.CurrentFrameRate, targetFrameRate.Value);
                    Configuration.Settings.General.CurrentFrameRate = targetFrameRate.Value;
                }

                bool targetFormatFound = false;
                string outputFileName;
                foreach (SubtitleFormat sf in formats)
                {
                    if (sf.IsTextBased && (sf.Name.Replace(" ", string.Empty).Equals(toFormat, StringComparison.OrdinalIgnoreCase) || sf.Name.Replace(" ", string.Empty).Equals(toFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase)))
                    {
                        targetFormatFound = true;
                        sf.BatchMode = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, sf.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        if (sf.IsFrameBased && !sub.WasLoadedWithFrameNumbers)
                            sub.CalculateFrameNumbersFromTimeCodesNoCheck(Configuration.Settings.General.CurrentFrameRate);
                        else if (sf.IsTimeBased && sub.WasLoadedWithFrameNumbers)
                            sub.CalculateTimeCodesFromFrameNumbers(Configuration.Settings.General.CurrentFrameRate);

                        if ((sf.GetType() == typeof(WebVTT) || sf.GetType() == typeof(WebVTTFileWithLineNumber)))
                        {
                            targetEncoding = Encoding.UTF8;
                        }

                        if (sf.GetType() == typeof(ItunesTimedText) || sf.GetType() == typeof(ScenaristClosedCaptions) || sf.GetType() == typeof(ScenaristClosedCaptionsDropFrame))
                        {
                            Encoding outputEnc = new UTF8Encoding(false); // create encoding with no BOM
                            using (var file = new StreamWriter(outputFileName, false, outputEnc)) // open file with encoding
                            {
                                file.Write(sub.ToText(sf));
                            } // save and close it
                        }
                        else if (targetEncoding == Encoding.UTF8 && (format.GetType() == typeof(TmpegEncAW5) || format.GetType() == typeof(TmpegEncXml)))
                        {
                            Encoding outputEnc = new UTF8Encoding(false); // create encoding with no BOM
                            using (var file = new StreamWriter(outputFileName, false, outputEnc)) // open file with encoding
                            {
                                file.Write(sub.ToText(sf));
                            } // save and close it
                        }
                        else
                        {
                            try
                            {
                                File.WriteAllText(outputFileName, sub.ToText(sf), targetEncoding);
                            }
                            catch (Exception ex)
                            {
                                Console.WriteLine(ex.Message);
                                errors++;
                                return false;
                            }
                        }

                        if (format.GetType() == typeof(Sami) || format.GetType() == typeof(SamiModern))
                        {
                            var sami = (Sami)format;
                            foreach (string className in Sami.GetStylesFromHeader(sub.Header))
                            {
                                var newSub = new Subtitle();
                                foreach (Paragraph p in sub.Paragraphs)
                                {
                                    if (p.Extra != null && p.Extra.Trim().Equals(className.Trim(), StringComparison.OrdinalIgnoreCase))
                                        newSub.Paragraphs.Add(p);
                                }
                                if (newSub.Paragraphs.Count > 0 && newSub.Paragraphs.Count < sub.Paragraphs.Count)
                                {
                                    string s = fileName;
                                    if (s.LastIndexOf('.') > 0)
                                        s = s.Insert(s.LastIndexOf('.'), "_" + className);
                                    else
                                        s += "_" + className + format.Extension;
                                    outputFileName = FormatOutputFileNameForBatchConvert(s, sf.Extension, outputFolder, overwrite);
                                    File.WriteAllText(outputFileName, newSub.ToText(sf), targetEncoding);
                                }
                            }
                        }
                        Console.WriteLine(" done.");
                        break;
                    }
                }
                if (!targetFormatFound)
                {
                    var ebu = new Ebu();
                    if (ebu.Name.Replace(" ", string.Empty).Equals(toFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ebu.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        Ebu.Save(outputFileName, sub, true);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var pac = new Pac();
                    if (pac.Name.Replace(" ", string.Empty).Equals(toFormat, StringComparison.OrdinalIgnoreCase) || toFormat.Equals("pac", StringComparison.OrdinalIgnoreCase) || toFormat.Equals(".pac", StringComparison.OrdinalIgnoreCase))
                    {
                        pac.BatchMode = true;
                        int codePage;
                        if (!string.IsNullOrEmpty(pacCodePage) && int.TryParse(pacCodePage, out codePage))
                            pac.CodePage = codePage;
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, pac.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        pac.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var cavena890 = new Cavena890();
                    if (cavena890.Name.Replace(" ", string.Empty).Equals(toFormat, StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, cavena890.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        cavena890.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var cheetahCaption = new CheetahCaption();
                    if (cheetahCaption.Name.Replace(" ", string.Empty).Equals(toFormat, StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, cheetahCaption.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        CheetahCaption.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var capMakerPlus = new CapMakerPlus();
                    if (capMakerPlus.Name.Replace(" ", string.Empty).Equals(toFormat, StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, capMakerPlus.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        CapMakerPlus.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    if (Configuration.Settings.Language.BatchConvert.PlainText == toFormat || Configuration.Settings.Language.BatchConvert.PlainText.Replace(" ", string.Empty).Equals(toFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ".txt", outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        File.WriteAllText(outputFileName, ExportText.GeneratePlainText(sub, false, false, false, false, false, false, string.Empty, true, false, true, true, false), targetEncoding);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    if (string.Compare(BatchConvert.BluRaySubtitle, toFormat, StringComparison.OrdinalIgnoreCase) == 0 || string.Compare(BatchConvert.BluRaySubtitle.Replace(" ", string.Empty), toFormat, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ".sup", outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        using (var form = new ExportPngXml())
                        {
                            form.Initialize(sub, format, "BLURAYSUP", fileName, null, null);
                            var binarySubtitleFile = new FileStream(outputFileName, FileMode.Create);
                            int width = 1920;
                            int height = 1080;
                            var parts = Configuration.Settings.Tools.ExportBluRayVideoResolution.Split('x');
                            if (parts.Length == 2 && Utilities.IsInteger(parts[0]) && Utilities.IsInteger(parts[1]))
                            {
                                width = int.Parse(parts[0]);
                                height = int.Parse(parts[1]);
                            }
                            for (int index = 0; index < sub.Paragraphs.Count; index++)
                            {
                                var mp = form.MakeMakeBitmapParameter(index, width, height);
                                mp.LineJoin = Configuration.Settings.Tools.ExportPenLineJoin;
                                mp.Bitmap = ExportPngXml.GenerateImageFromTextWithStyle(mp);
                                ExportPngXml.MakeBluRaySupImage(mp);
                                binarySubtitleFile.Write(mp.Buffer, 0, mp.Buffer.Length);
                            }
                            binarySubtitleFile.Close();
                        }
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    Console.WriteLine("{0}: {1} - target format '{2}' not found!", count, fileName, toFormat);
                    errors++;
                    return false;
                }
                converted++;
                return true;
            }
            finally
            {
                Configuration.Settings.General.CurrentFrameRate = oldFrameRate;
            }
        }
        internal static bool BatchConvertSave(string targetFormat, string offset, Encoding targetEncoding, string outputFolder, int count, ref int converted, ref int errors, IEnumerable<SubtitleFormat> formats, string fileName, Subtitle sub, SubtitleFormat format, bool overwrite, int pacCodePage, double? targetFrameRate, IEnumerable<string> multipleReplaceImportFiles, bool removeTextForHi, bool fixCommonErrors, bool redoCasing)
        {
            double oldFrameRate = Configuration.Settings.General.CurrentFrameRate;
            try
            {
                // adjust offset
                if (!string.IsNullOrWhiteSpace(offset))
                {
                    var offsetSplitChars = new[] { ':', '.', ',' };
                    var parts = offset.Split(offsetSplitChars, StringSplitOptions.RemoveEmptyEntries);
                    while (parts.Length > 1 && parts.Length < 4)
                    {
                        offset = "0:" + offset;
                        parts = offset.Split(offsetSplitChars, StringSplitOptions.RemoveEmptyEntries);
                    }
                    if (parts.Length == 4)
                    {
                        try
                        {
                            var ts = new TimeSpan(0, int.Parse(parts[0].TrimStart('-')), int.Parse(parts[1]), int.Parse(parts[2]), int.Parse(parts[3]));
                            if (parts[0].StartsWith('-'))
                                sub.AddTimeToAllParagraphs(ts.Negate());
                            else
                                sub.AddTimeToAllParagraphs(ts);
                            parts = null;
                        }
                        catch
                        {
                            // ignored
                        }
                    }
                    if (parts != null)
                    {
                        Console.Write(" (unable to read offset " + offset + ")");
                    }
                }

                // adjust frame rate
                if (targetFrameRate.HasValue)
                {
                    sub.ChangeFrameRate(Configuration.Settings.General.CurrentFrameRate, targetFrameRate.Value);
                    Configuration.Settings.General.CurrentFrameRate = targetFrameRate.Value;
                }

                if (removeTextForHi)
                {
                    var hiSettings = new Core.Forms.RemoveTextForHISettings();
                    var hiLib = new Core.Forms.RemoveTextForHI(hiSettings);
                    foreach (var p in sub.Paragraphs)
                    {
                        p.Text = hiLib.RemoveTextFromHearImpaired(p.Text);
                    }
                }
                if (fixCommonErrors)
                {
                    using (var fce = new FixCommonErrors { BatchMode = true })
                    {
                        for (int i = 0; i < 3; i++)
                        {
                            fce.RunBatch(sub, format, targetEncoding, Configuration.Settings.Tools.BatchConvertLanguage);
                            sub = fce.FixedSubtitle;
                        }
                    }
                }
                if (redoCasing)
                {
                    using (var changeCasing = new ChangeCasing())
                    {
                        changeCasing.FixCasing(sub, LanguageAutoDetect.AutoDetectGoogleLanguage(sub));
                    }
                    using (var changeCasingNames = new ChangeCasingNames())
                    {
                        changeCasingNames.Initialize(sub);
                        changeCasingNames.FixCasing();
                    }
                }
                if (multipleReplaceImportFiles != null && multipleReplaceImportFiles.Count() > 0)
                {
                    using (var mr = new MultipleReplace())
                    {
                        mr.RunFromBatch(sub, multipleReplaceImportFiles);
                        sub = mr.FixedSubtitle;
                        sub.RemoveParagraphsByIndices(mr.DeleteIndices);
                    }
                }

                bool targetFormatFound = false;
                string outputFileName;
                foreach (SubtitleFormat sf in formats)
                {
                    if (sf.IsTextBased && sf.Name.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        sf.BatchMode = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, sf.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        if (sf.IsFrameBased && !sub.WasLoadedWithFrameNumbers)
                            sub.CalculateFrameNumbersFromTimeCodesNoCheck(Configuration.Settings.General.CurrentFrameRate);
                        else if (sf.IsTimeBased && sub.WasLoadedWithFrameNumbers)
                            sub.CalculateTimeCodesFromFrameNumbers(Configuration.Settings.General.CurrentFrameRate);

                        if (sf.GetType() == typeof(WebVTT))
                        {
                            targetEncoding = Encoding.UTF8;
                        }

                        try
                        {
                            if (sf.GetType() == typeof(ItunesTimedText) || sf.GetType() == typeof(ScenaristClosedCaptions) || sf.GetType() == typeof(ScenaristClosedCaptionsDropFrame))
                            {
                                var outputEnc = new UTF8Encoding(false); // create encoding with no BOM
                                using (var file = new StreamWriter(outputFileName, false, outputEnc)) // open file with encoding
                                {
                                    file.Write(sub.ToText(sf));
                                } // save and close it
                            }
                            else if (targetEncoding == Encoding.UTF8 && (format.GetType() == typeof(TmpegEncAW5) || format.GetType() == typeof(TmpegEncXml)))
                            {
                                var outputEnc = new UTF8Encoding(false); // create encoding with no BOM
                                using (var file = new StreamWriter(outputFileName, false, outputEnc)) // open file with encoding
                                {
                                    file.Write(sub.ToText(sf));
                                } // save and close it
                            }
                            else
                            {
                                File.WriteAllText(outputFileName, sub.ToText(sf), targetEncoding);
                            }
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine(ex.Message);
                            errors++;
                            return false;
                        }

                        if (format.GetType() == typeof(Sami) || format.GetType() == typeof(SamiModern))
                        {
                            var sami = (Sami)format;
                            foreach (string className in Sami.GetStylesFromHeader(sub.Header))
                            {
                                var newSub = new Subtitle();
                                foreach (Paragraph p in sub.Paragraphs)
                                {
                                    if (p.Extra != null && p.Extra.Trim().Equals(className.Trim(), StringComparison.OrdinalIgnoreCase))
                                        newSub.Paragraphs.Add(p);
                                }
                                if (newSub.Paragraphs.Count > 0 && newSub.Paragraphs.Count < sub.Paragraphs.Count)
                                {
                                    string s = fileName;
                                    if (s.LastIndexOf('.') > 0)
                                        s = s.Insert(s.LastIndexOf('.'), "_" + className);
                                    else
                                        s += "_" + className + format.Extension;
                                    outputFileName = FormatOutputFileNameForBatchConvert(s, sf.Extension, outputFolder, overwrite);
                                    File.WriteAllText(outputFileName, newSub.ToText(sf), targetEncoding);
                                }
                            }
                        }
                        Console.WriteLine(" done.");
                        break;
                    }
                }
                if (!targetFormatFound)
                {
                    var ebu = new Ebu();
                    if (ebu.Name.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ebu.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        Ebu.Save(outputFileName, sub, true);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var pac = new Pac();
                    if (pac.Name.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase) || targetFormat.Equals(".pac", StringComparison.OrdinalIgnoreCase) || targetFormat.Equals("pac", StringComparison.OrdinalIgnoreCase))
                    {
                        pac.BatchMode = true;
                        pac.CodePage = pacCodePage;
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, pac.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        pac.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var cavena890 = new Cavena890();
                    if (cavena890.Name.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, cavena890.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        cavena890.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var cheetahCaption = new CheetahCaption();
                    if (cheetahCaption.Name.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, cheetahCaption.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        CheetahCaption.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var ayato = new Ayato();
                    if (ayato.Name.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ayato.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        ayato.Save(outputFileName, null, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    var capMakerPlus = new CapMakerPlus();
                    if (capMakerPlus.Name.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, capMakerPlus.Extension, outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        CapMakerPlus.Save(outputFileName, sub);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    if (Configuration.Settings.Language.BatchConvert.PlainText.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ".txt", outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        File.WriteAllText(outputFileName, ExportText.GeneratePlainText(sub, false, false, false, false, false, false, string.Empty, true, false, true, true, false), targetEncoding);
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    if (BatchConvert.BluRaySubtitle.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ".sup", outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        using (var form = new ExportPngXml())
                        {
                            form.Initialize(sub, format, "BLURAYSUP", fileName, null, null);
                            int width = 1920;
                            int height = 1080;
                            var parts = Configuration.Settings.Tools.ExportBluRayVideoResolution.Split('x');
                            if (parts.Length == 2 && Utilities.IsInteger(parts[0]) && Utilities.IsInteger(parts[1]))
                            {
                                width = int.Parse(parts[0]);
                                height = int.Parse(parts[1]);
                            }

                            using (var binarySubtitleFile = new FileStream(outputFileName, FileMode.Create))
                            {
                                for (int index = 0; index < sub.Paragraphs.Count; index++)
                                {
                                    var mp = form.MakeMakeBitmapParameter(index, width, height);
                                    mp.LineJoin = Configuration.Settings.Tools.ExportPenLineJoin;
                                    mp.Bitmap = ExportPngXml.GenerateImageFromTextWithStyle(mp);
                                    ExportPngXml.MakeBluRaySupImage(mp);
                                    binarySubtitleFile.Write(mp.Buffer, 0, mp.Buffer.Length);
                                }
                            }
                        }
                        Console.WriteLine(" done.");
                    }
                    else if (BatchConvert.VobSubSubtitle.Replace(" ", string.Empty).Equals(targetFormat.Replace(" ", string.Empty), StringComparison.OrdinalIgnoreCase))
                    {
                        targetFormatFound = true;
                        outputFileName = FormatOutputFileNameForBatchConvert(fileName, ".sub", outputFolder, overwrite);
                        Console.Write("{0}: {1} -> {2}...", count, Path.GetFileName(fileName), outputFileName);
                        using (var form = new ExportPngXml())
                        {
                            form.Initialize(sub, format, "VOBSUB", fileName, null, null);
                            int width = 720;
                            int height = 576;
                            var parts = Configuration.Settings.Tools.ExportVobSubVideoResolution.Split('x');
                            if (parts.Length == 2 && Utilities.IsInteger(parts[0]) && Utilities.IsInteger(parts[1]))
                            {
                                width = int.Parse(parts[0]);
                                height = int.Parse(parts[1]);
                            }

                            var cfg = Configuration.Settings.Tools;
                            var language = DvdSubtitleLanguage.GetLanguageOrNull(LanguageAutoDetect.AutoDetectGoogleLanguage(sub)) ?? DvdSubtitleLanguage.English;
                            using (var vobSubWriter = new VobSubWriter(outputFileName, width, height, cfg.ExportBottomMargin, cfg.ExportBottomMargin, 32, cfg.ExportFontColor, cfg.ExportBorderColor, !cfg.ExportVobAntiAliasingWithTransparency, language))
                            {
                                for (int index = 0; index < sub.Paragraphs.Count; index++)
                                {
                                    var mp = form.MakeMakeBitmapParameter(index, width, height);
                                    mp.LineJoin = Configuration.Settings.Tools.ExportPenLineJoin;
                                    mp.Bitmap = ExportPngXml.GenerateImageFromTextWithStyle(mp);
                                    vobSubWriter.WriteParagraph(mp.P, mp.Bitmap, mp.Alignment);
                                }
                                vobSubWriter.WriteIdxFile();
                            }
                        }
                        Console.WriteLine(" done.");
                    }
                }
                if (!targetFormatFound)
                {
                    Console.WriteLine("{0}: {1} - target format '{2}' not found!", count, fileName, targetFormat);
                    errors++;
                    return false;
                }
                converted++;
                return true;
            }
            finally
            {
                Configuration.Settings.General.CurrentFrameRate = oldFrameRate;
            }
        }