mirror of
https://github.com/SubtitleEdit/subtitleedit.git
synced 2024-11-25 12:44:46 +01:00
1248 lines
62 KiB
C#
1248 lines
62 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace Nikse.SubtitleEdit.Core.SubtitleFormats
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{
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/// <summary>
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/// EBU Subtitling data exchange format
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/// </summary>
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public class Ebu : SubtitleFormat
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{
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private const string LanguageCodeChinese = "75";
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public interface IEbuUiHelper
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{
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void Initialize(EbuGeneralSubtitleInformation header, byte justificationCode, string fileName, Subtitle subtitle);
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bool ShowDialogOk();
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byte JustificationCode { get; set; }
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}
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public static IEbuUiHelper EbuUiHelper { get; set; }
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private static readonly Regex RegExpr = new Regex(@"^[a-f0-9]{6}$", RegexOptions.Compiled);
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public List<int> VerticalPositions = new List<int>();
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public List<int> JustificationCodes = new List<int>();
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public EbuGeneralSubtitleInformation Header;
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/// <summary>
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/// GSI block (1024 bytes)
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/// </summary>
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public class EbuGeneralSubtitleInformation
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{
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public string CodePageNumber { get; set; } // 0..2
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public string DiskFormatCode { get; set; } // 3..10
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public double FrameRateFromSaveDialog { get; set; }
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public string DisplayStandardCode { get; set; } // 11
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public string CharacterCodeTableNumber { get; set; } // 12..13
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public string LanguageCode { get; set; } // 14..15
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public string OriginalProgrammeTitle { get; set; } // 16..47
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public string OriginalEpisodeTitle { get; set; }
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public string TranslatedProgrammeTitle { get; set; }
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public string TranslatedEpisodeTitle { get; set; }
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public string TranslatorsName { get; set; }
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public string TranslatorsContactDetails { get; set; }
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public string SubtitleListReferenceCode { get; set; }
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public string CreationDate { get; set; }
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public string RevisionDate { get; set; }
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public string RevisionNumber { get; set; }
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public string TotalNumberOfTextAndTimingInformationBlocks { get; set; }
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public string TotalNumberOfSubtitles { get; set; }
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public string TotalNumberOfSubtitleGroups { get; set; }
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public string MaximumNumberOfDisplayableCharactersInAnyTextRow { get; set; }
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public string MaximumNumberOfDisplayableRows { get; set; }
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public string TimeCodeStatus { get; set; }
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public string TimeCodeStartOfProgramme { get; set; }
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public string TimeCodeFirstInCue { get; set; }
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public string TotalNumberOfDisks { get; set; }
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public string DiskSequenceNumber { get; set; }
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public string CountryOfOrigin { get; set; }
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public string Publisher { get; set; }
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public string EditorsName { get; set; }
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public string EditorsContactDetails { get; set; }
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public string SpareBytes { get; set; }
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public string UserDefinedArea { get; set; }
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public double FrameRate
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{
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get
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{
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if (FrameRateFromSaveDialog > 20)
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return FrameRateFromSaveDialog;
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if (DiskFormatCode.StartsWith("STL23", StringComparison.Ordinal))
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return 23.0;
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if (DiskFormatCode.StartsWith("STL24", StringComparison.Ordinal))
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return 24.0;
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if (DiskFormatCode.StartsWith("STL25", StringComparison.Ordinal))
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return 25.0;
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if (DiskFormatCode.StartsWith("STL29", StringComparison.Ordinal))
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return 29.0;
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if (DiskFormatCode.StartsWith("STL35", StringComparison.Ordinal))
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return 35.0;
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if (DiskFormatCode.StartsWith("STL48", StringComparison.Ordinal))
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return 48.0;
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if (DiskFormatCode.StartsWith("STL50", StringComparison.Ordinal))
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return 50.0;
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if (DiskFormatCode.StartsWith("STL60", StringComparison.Ordinal))
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return 60.0;
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return 30.0; // should be DiskFormatcode STL30.01
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}
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}
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public EbuGeneralSubtitleInformation()
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{
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CodePageNumber = "437";
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DiskFormatCode = "STL25.01";
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DisplayStandardCode = "0"; // 0=Open subtitling
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CharacterCodeTableNumber = "00";
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LanguageCode = "0A";
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OriginalProgrammeTitle = "No Title ";
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OriginalEpisodeTitle = " ";
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TranslatedProgrammeTitle = string.Empty.PadLeft(32, ' ');
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TranslatedEpisodeTitle = string.Empty.PadLeft(32, ' ');
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TranslatorsName = string.Empty.PadLeft(32, ' ');
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TranslatorsContactDetails = string.Empty.PadLeft(32, ' ');
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SubtitleListReferenceCode = "0 ";
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CreationDate = "101021";
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RevisionDate = "101021";
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RevisionNumber = "01";
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TotalNumberOfTextAndTimingInformationBlocks = "00725";
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TotalNumberOfSubtitles = "00725";
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TotalNumberOfSubtitleGroups = "001";
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MaximumNumberOfDisplayableCharactersInAnyTextRow = "40";
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MaximumNumberOfDisplayableRows = "23";
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TimeCodeStatus = "1";
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TimeCodeStartOfProgramme = "00000000";
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TimeCodeFirstInCue = "00000001";
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TotalNumberOfDisks = "1";
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DiskSequenceNumber = "1";
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CountryOfOrigin = "USA";
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Publisher = string.Empty.PadLeft(32, ' ');
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EditorsName = string.Empty.PadLeft(32, ' ');
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EditorsContactDetails = string.Empty.PadLeft(32, ' ');
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SpareBytes = string.Empty.PadLeft(75, ' ');
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UserDefinedArea = string.Empty.PadLeft(576, ' ');
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}
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public override string ToString()
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{
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string result =
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CodePageNumber +
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DiskFormatCode +
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DisplayStandardCode +
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CharacterCodeTableNumber +
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LanguageCode +
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OriginalProgrammeTitle +
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OriginalEpisodeTitle +
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TranslatedProgrammeTitle +
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TranslatedEpisodeTitle +
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TranslatorsName +
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TranslatorsContactDetails +
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SubtitleListReferenceCode +
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CreationDate +
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RevisionDate +
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RevisionNumber +
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TotalNumberOfTextAndTimingInformationBlocks +
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TotalNumberOfSubtitles +
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TotalNumberOfSubtitleGroups +
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MaximumNumberOfDisplayableCharactersInAnyTextRow +
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MaximumNumberOfDisplayableRows +
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TimeCodeStatus +
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TimeCodeStartOfProgramme +
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TimeCodeFirstInCue +
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TotalNumberOfDisks +
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DiskSequenceNumber +
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CountryOfOrigin +
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Publisher +
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EditorsName +
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EditorsContactDetails +
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SpareBytes +
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UserDefinedArea;
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if (result.Length == 1024)
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return result;
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return "Length must be 1024 but is " + result.Length;
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}
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}
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/// <summary>
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/// TTI block 128 bytes
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/// </summary>
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private class EbuTextTimingInformation
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{
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public byte SubtitleGroupNumber { get; set; }
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public UInt16 SubtitleNumber { get; set; }
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public byte ExtensionBlockNumber { get; set; }
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public byte CumulativeStatus { get; set; }
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public int TimeCodeInHours { get; set; }
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public int TimeCodeInMinutes { get; set; }
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public int TimeCodeInSeconds { get; set; }
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public int TimeCodeInMilliseconds { get; set; }
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public int TimeCodeOutHours { get; set; }
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public int TimeCodeOutMinutes { get; set; }
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public int TimeCodeOutSeconds { get; set; }
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public int TimeCodeOutMilliseconds { get; set; }
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public byte VerticalPosition { get; set; }
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public byte JustificationCode { get; set; }
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public byte CommentFlag { get; set; }
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public string TextField { get; set; }
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public EbuTextTimingInformation()
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{
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SubtitleGroupNumber = 0;
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ExtensionBlockNumber = 255;
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CumulativeStatus = 0;
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VerticalPosition = 0x16;
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JustificationCode = 2;
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CommentFlag = 0;
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}
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public byte[] GetBytes(EbuGeneralSubtitleInformation header)
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{
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var buffer = new byte[128]; // Text and Timing Information (TTI) block consists of 128 bytes
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buffer[0] = SubtitleGroupNumber;
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byte[] temp = BitConverter.GetBytes(SubtitleNumber);
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buffer[1] = temp[0];
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buffer[2] = temp[1];
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buffer[3] = ExtensionBlockNumber;
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buffer[4] = CumulativeStatus;
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buffer[5] = (byte)TimeCodeInHours;
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buffer[6] = (byte)TimeCodeInMinutes;
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buffer[7] = (byte)TimeCodeInSeconds;
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buffer[8] = GetFrameFromMilliseconds(TimeCodeInMilliseconds, header.FrameRate);
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buffer[9] = (byte)TimeCodeOutHours;
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buffer[10] = (byte)TimeCodeOutMinutes;
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buffer[11] = (byte)TimeCodeOutSeconds;
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buffer[12] = GetFrameFromMilliseconds(TimeCodeOutMilliseconds, header.FrameRate);
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buffer[13] = VerticalPosition;
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buffer[14] = JustificationCode;
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buffer[15] = CommentFlag;
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var encoding = Encoding.Default;
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if (header.LanguageCode == LanguageCodeChinese)
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{
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var lines = HtmlUtil.RemoveHtmlTags(TextField, true).SplitToLines();
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var byteList = new List<byte>();
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encoding = Encoding.GetEncoding(1200); // 16-bit Unicode
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for (int i = 0; i < lines.Count(); i++)
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{
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var l = lines[i];
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if (i > 0)
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{ // new line
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byteList.Add(0);
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byteList.Add(138);
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}
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byteList.AddRange(encoding.GetBytes(l).ToArray());
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}
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for (int i = 0; i < 112; i++)
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{
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if (i < byteList.Count)
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buffer[16 + i] = byteList[i];
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else
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buffer[16 + i] = 0x8f;
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}
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return buffer;
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}
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if (header.CharacterCodeTableNumber == "00")
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{
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encoding = Encoding.GetEncoding(20269);
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// 0xC1—0xCF combines characters - http://en.wikipedia.org/wiki/ISO/IEC_6937
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc1 }), "ÀÈÌÒÙàèìòù", "AEIOUaeiou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc2 }), "ÁĆÉÍĹŃÓŔŚÚÝŹáćéģíĺńóŕśúýź", "ACEILNORSUYZacegilnorsuyz");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc3 }), "ÂĈÊĜĤÎĴÔŜÛŴŶâĉêĝĥîĵôŝûŵŷ", "ACEGHIJOSUWYaceghijosuwy");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc4 }), "ÃĨÑÕŨãĩñõũ", "AINOUainou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc5 }), "ĀĒĪŌŪāēīōū", "AEIOUaeiou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc6 }), "ĂĞŬăğŭ", "AGUagu");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc7 }), "ĊĖĠİŻċėġıż", "CEGIZcegiz");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xc8 }), "ÄËÏÖÜŸäëïöüÿ", "AEIOUYaeiouy");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xca }), "ÅŮåů", "AUau");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xcb }), "ÇĢĶĻŅŖŞŢçķļņŗşţ", "CGKLNRSTcklnrst");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xcd }), "ŐŰőű", "OUou");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xce }), "ĄĘĮŲąęįų", "AEIUaeiu");
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TextField = ReplaceSpecialCharactersWithTwoByteEncoding(TextField, encoding.GetString(new byte[] { 0xcf }), "ČĎĚĽŇŘŠŤŽčďěľňřšťž", "CDELNRSTZcdelnrstz");
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}
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else if (header.CharacterCodeTableNumber == "01") // Latin/Cyrillic alphabet - from ISO 8859/5-1988
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{
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encoding = Encoding.GetEncoding("ISO-8859-5");
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}
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else if (header.CharacterCodeTableNumber == "02") // Latin/Arabic alphabet - from ISO 8859/6-1987
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{
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encoding = Encoding.GetEncoding("ISO-8859-6");
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}
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else if (header.CharacterCodeTableNumber == "03") // Latin/Greek alphabet - from ISO 8859/7-1987
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{
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encoding = Encoding.GetEncoding("ISO-8859-7"); // or ISO-8859-1 ?
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}
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else if (header.CharacterCodeTableNumber == "04") // Latin/Hebrew alphabet - from ISO 8859/8-1988
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{
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encoding = Encoding.GetEncoding("ISO-8859-8");
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}
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// italic/underline
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string italicsOn = encoding.GetString(new byte[] { 0x80 });
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string italicsOff = encoding.GetString(new byte[] { 0x81 });
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string underlineOn = encoding.GetString(new byte[] { 0x82 });
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string underlineOff = encoding.GetString(new byte[] { 0x83 });
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if (Utilities.CountTagInText(TextField, "<i>") == 1 && TextField.StartsWith("<i>") && TextField.EndsWith("</i>")) // italic on all lines
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TextField = TextField.Replace(Environment.NewLine, Environment.NewLine + "<i>");
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TextField = TextField.Replace("<i>", italicsOn);
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TextField = TextField.Replace("<I>", italicsOn);
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TextField = TextField.Replace("</i>", italicsOff);
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TextField = TextField.Replace("</I>", italicsOff);
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TextField = TextField.Replace("<u>", underlineOn);
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TextField = TextField.Replace("<U>", underlineOn);
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TextField = TextField.Replace("</u>", underlineOff);
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TextField = TextField.Replace("</U>", underlineOff);
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if (header.CharacterCodeTableNumber == "00")
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{
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TextField = TextField.Replace("©", encoding.GetString(new byte[] { 0xd3 }));
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TextField = TextField.Replace("™", encoding.GetString(new byte[] { 0xd4 }));
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TextField = TextField.Replace("♪", encoding.GetString(new byte[] { 0xd5 }));
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}
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//em-dash (–) tags
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// TextField = TextField.Replace("–", "Ð");
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//font tags
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if (header.DisplayStandardCode == "0") // Open subtitling
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{
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TextField = HtmlUtil.RemoveHtmlTags(TextField, true);
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}
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else // teletext
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{
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var lines = TextField.SplitToLines();
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var sb = new StringBuilder();
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string veryFirstColor = null;
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foreach (string line in lines)
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{
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string firstColor = null;
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string s = line;
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var start = s.IndexOf("<font ", StringComparison.Ordinal);
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if (start >= 0)
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{
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int end = s.IndexOf('>', start);
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if (end > 0)
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{
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string f = s.Substring(start, end - start);
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if (f.Contains(" color="))
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{
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var colorStart = f.IndexOf(" color=", StringComparison.Ordinal);
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if (s.IndexOf('"', colorStart + " color=".Length + 1) > 0)
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{
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int colorEnd = f.IndexOf('"', colorStart + " color=".Length + 1);
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if (colorStart > 1)
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{
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string color = f.Substring(colorStart + 7, colorEnd - (colorStart + 7));
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color = color.Trim('\'');
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color = color.Trim('\"');
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color = color.Trim('#');
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s = s.Remove(start, end - start + 1);
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if (veryFirstColor == null)
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veryFirstColor = GetNearestEbuColorCode(color, encoding);
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firstColor = GetNearestEbuColorCode(color, encoding);
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}
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}
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}
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}
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}
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//byte colorByte = 0x07; // white
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byte colorByte = 255;
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if (!string.IsNullOrEmpty(veryFirstColor))
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colorByte = encoding.GetBytes(veryFirstColor)[0];
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if (!string.IsNullOrEmpty(firstColor))
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colorByte = encoding.GetBytes(firstColor)[0];
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string prefix = encoding.GetString(new byte[] { 0xd, colorByte, 0xb, 0xb });
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if (colorByte != 255)
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sb.Append(prefix);
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sb.AppendLine(s);
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}
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TextField = HtmlUtil.RemoveHtmlTags(sb.ToString()).TrimEnd();
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}
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// newline
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string newline = encoding.GetString(new byte[] { 0x8a, 0x8a });
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if (Configuration.Settings.SubtitleSettings.EbuStlTeletextUseBox && Configuration.Settings.SubtitleSettings.EbuStlTeletextUseDoubleHeight)
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{
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newline = encoding.GetString(new byte[] { 0x0a, 0x0a, 0x8a, 0x8a, 0x0d, 0x0b, 0x0b }); // 0a==end box, 0d==double height, 0b==start box
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}
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else if (Configuration.Settings.SubtitleSettings.EbuStlTeletextUseBox)
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{
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newline = encoding.GetString(new byte[] { 0x0a, 0x0a, 0x8a, 0x8a, 0x0b, 0x0b }); // 0a==end box, 0b==start box
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}
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else if (Configuration.Settings.SubtitleSettings.EbuStlTeletextUseDoubleHeight)
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{
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newline = encoding.GetString(new byte[] { 0x8a, 0x8a, 0x0d, 0x0d }); // 0d==double height
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}
|
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if (header.DisplayStandardCode == "0") // 0=Open subtitling
|
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{
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newline = encoding.GetString(new byte[] { 0x8A }); //8Ah=CR/LF
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}
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TextField = TextField.Replace(Environment.NewLine, newline);
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string endOfLine = encoding.GetString(new byte[] { 0x0a, 0x0a }); //a=end box
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if (!Configuration.Settings.SubtitleSettings.EbuStlTeletextUseBox || header.DisplayStandardCode == "0") // DisplayStandardCode 0==Open subtitling
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{
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endOfLine = string.Empty;
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}
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TextField += endOfLine;
|
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// save em-dash indexes (–)
|
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var indexOfEmdash = new List<int>();
|
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for (int j = 0; j < TextField.Length; j++)
|
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{
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if (TextField[j] == '–')
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indexOfEmdash.Add(j);
|
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}
|
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|
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if (header.DisplayStandardCode != "0") // 0=Open subtitling
|
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{
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if (Configuration.Settings.SubtitleSettings.EbuStlTeletextUseBox && Configuration.Settings.SubtitleSettings.EbuStlTeletextUseDoubleHeight)
|
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{
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TextField = encoding.GetString(new byte[] { 0x0d, 0x0b, 0x0b }) + TextField; // d=double height, b=start box
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}
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else if (Configuration.Settings.SubtitleSettings.EbuStlTeletextUseBox)
|
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{
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TextField = encoding.GetString(new byte[] { 0x0b, 0x0b }) + TextField; // b=start box
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}
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else if (Configuration.Settings.SubtitleSettings.EbuStlTeletextUseBox && Configuration.Settings.SubtitleSettings.EbuStlTeletextUseDoubleHeight)
|
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{
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TextField = encoding.GetString(new byte[] { 0x0d }) + TextField; // d=double height
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}
|
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}
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// convert text to bytes
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byte[] bytes = encoding.GetBytes(TextField);
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|
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// restore em-dashes (–)
|
||
foreach (int index in indexOfEmdash)
|
||
{
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bytes[index] = 0xd0;
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||
}
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for (int i = 0; i < 112; i++)
|
||
{
|
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if (i < bytes.Length)
|
||
buffer[16 + i] = bytes[i];
|
||
//else if (i == bytes.Length)
|
||
// buffer[16 + i] = 0x8f;
|
||
else
|
||
buffer[16 + i] = 0x8f;
|
||
}
|
||
return buffer;
|
||
}
|
||
|
||
private static string GetNearestEbuColorCode(string color, Encoding encoding)
|
||
{
|
||
color = color.ToLower();
|
||
if (color == "black" || color == "000000")
|
||
return encoding.GetString(new byte[] { 0x00 }); // black
|
||
if (color == "red" || color == "ff0000")
|
||
return encoding.GetString(new byte[] { 0x01 }); // red
|
||
if (color == "green" || color == "00ff00")
|
||
return encoding.GetString(new byte[] { 0x02 }); // green
|
||
if (color == "yellow" || color == "ffff00")
|
||
return encoding.GetString(new byte[] { 0x03 }); // yellow
|
||
if (color == "blue" || color == "0000ff")
|
||
return encoding.GetString(new byte[] { 0x04 }); // blue
|
||
if (color == "magenta" || color == "ff00ff")
|
||
return encoding.GetString(new byte[] { 0x05 }); // magenta
|
||
if (color == "cyan" || color == "00ffff")
|
||
return encoding.GetString(new byte[] { 0x06 }); // cyan
|
||
if (color == "white" || color == "ffffff")
|
||
return encoding.GetString(new byte[] { 0x07 }); // white
|
||
if (color.Length == 6)
|
||
{
|
||
if (RegExpr.IsMatch(color))
|
||
{
|
||
const int maxDiff = 130;
|
||
int r = int.Parse(color.Substring(0, 2), System.Globalization.NumberStyles.HexNumber);
|
||
int g = int.Parse(color.Substring(2, 2), System.Globalization.NumberStyles.HexNumber);
|
||
int b = int.Parse(color.Substring(4, 2), System.Globalization.NumberStyles.HexNumber);
|
||
if (r < maxDiff && g < maxDiff && b < maxDiff)
|
||
return encoding.GetString(new byte[] { 0x00 }); // black
|
||
if (r > 255 - maxDiff && g < maxDiff && b < maxDiff)
|
||
return encoding.GetString(new byte[] { 0x01 }); // red
|
||
if (r < maxDiff && g > 255 - maxDiff && b < maxDiff)
|
||
return encoding.GetString(new byte[] { 0x02 }); // green
|
||
if (r > 255 - maxDiff && g > 255 - maxDiff && b < maxDiff)
|
||
return encoding.GetString(new byte[] { 0x03 }); // yellow
|
||
if (r < maxDiff && g < maxDiff && b > 255 - maxDiff)
|
||
return encoding.GetString(new byte[] { 0x04 }); // blue
|
||
if (r > 255 - maxDiff && g < maxDiff && b > 255 - maxDiff)
|
||
return encoding.GetString(new byte[] { 0x05 }); // magenta
|
||
if (r < maxDiff && g > 255 - maxDiff && b > 255 - maxDiff)
|
||
return encoding.GetString(new byte[] { 0x06 }); // cyan
|
||
if (r > 255 - maxDiff && g > 255 - maxDiff && b > 255 - maxDiff)
|
||
return encoding.GetString(new byte[] { 0x07 }); // white
|
||
}
|
||
}
|
||
return string.Empty;
|
||
}
|
||
|
||
private static string ReplaceSpecialCharactersWithTwoByteEncoding(string text, string specialCharacter, string originalCharacters, string newCharacters)
|
||
{
|
||
if (originalCharacters.Length != newCharacters.Length)
|
||
throw new ArgumentException("originalCharacters and newCharacters must have equal length");
|
||
|
||
for (int i = 0; i < newCharacters.Length; i++)
|
||
text = text.Replace(originalCharacters[i].ToString(), specialCharacter + newCharacters[i]);
|
||
return text;
|
||
}
|
||
|
||
public static byte GetFrameFromMilliseconds(int milliseconds, double frameRate)
|
||
{
|
||
return (byte)Math.Round(milliseconds / (TimeCode.BaseUnit / frameRate));
|
||
}
|
||
}
|
||
|
||
public override string Extension
|
||
{
|
||
get { return ".stl"; }
|
||
}
|
||
|
||
public const string NameOfFormat = "EBU STL";
|
||
|
||
public override string Name
|
||
{
|
||
get { return NameOfFormat; }
|
||
}
|
||
|
||
public override bool IsTimeBased
|
||
{
|
||
get { return true; }
|
||
}
|
||
|
||
public static bool Save(string fileName, Subtitle subtitle)
|
||
{
|
||
return Save(fileName, subtitle, false);
|
||
}
|
||
|
||
public static bool Save(string fileName, Subtitle subtitle, bool batchMode)
|
||
{
|
||
var header = new EbuGeneralSubtitleInformation();
|
||
if (EbuUiHelper == null)
|
||
return false;
|
||
|
||
if (subtitle.Header != null && subtitle.Header.Length == 1024 && (subtitle.Header.Contains("STL24") || subtitle.Header.Contains("STL25") || subtitle.Header.Contains("STL29") || subtitle.Header.Contains("STL30")))
|
||
{
|
||
header = ReadHeader(Encoding.UTF8.GetBytes(subtitle.Header));
|
||
EbuUiHelper.Initialize(header, 0, null, subtitle);
|
||
}
|
||
else
|
||
{
|
||
EbuUiHelper.Initialize(header, 0, fileName, subtitle);
|
||
}
|
||
|
||
if (!batchMode && !EbuUiHelper.ShowDialogOk())
|
||
return false;
|
||
|
||
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write))
|
||
{
|
||
header.TotalNumberOfSubtitles = subtitle.Paragraphs.Count.ToString("D5"); // seems to be 1 higher than actual number of subtitles
|
||
header.TotalNumberOfTextAndTimingInformationBlocks = header.TotalNumberOfSubtitles;
|
||
|
||
var today = string.Format("{0:yyMMdd}", DateTime.Now);
|
||
if (today.Length == 6)
|
||
{
|
||
header.CreationDate = today;
|
||
header.RevisionDate = today;
|
||
}
|
||
|
||
Paragraph firstParagraph = subtitle.GetParagraphOrDefault(0);
|
||
if (firstParagraph != null)
|
||
{
|
||
TimeCode tc = firstParagraph.StartTime;
|
||
string firstTimeCode = string.Format("{0:00}{1:00}{2:00}{3:00}", tc.Hours, tc.Minutes, tc.Seconds, EbuTextTimingInformation.GetFrameFromMilliseconds(tc.Milliseconds, header.FrameRate));
|
||
if (firstTimeCode.Length == 8)
|
||
header.TimeCodeFirstInCue = firstTimeCode;
|
||
}
|
||
|
||
byte[] buffer = Encoding.Default.GetBytes(header.ToString());
|
||
fs.Write(buffer, 0, buffer.Length);
|
||
|
||
int subtitleNumber = 0;
|
||
foreach (Paragraph p in subtitle.Paragraphs)
|
||
{
|
||
var tti = new EbuTextTimingInformation();
|
||
|
||
int rows;
|
||
if (!int.TryParse(header.MaximumNumberOfDisplayableRows, out rows))
|
||
rows = 23;
|
||
|
||
if (header.DisplayStandardCode == "1" || header.DisplayStandardCode == "2") // teletext
|
||
rows = 23;
|
||
else if (header.DisplayStandardCode == "0" && header.MaximumNumberOfDisplayableRows == "02") // open subtitling
|
||
rows = 15;
|
||
|
||
var text = p.Text.Trim(Utilities.NewLineChars);
|
||
if (text.StartsWith("{\\an7}", StringComparison.Ordinal) || text.StartsWith("{\\an8}", StringComparison.Ordinal) || text.StartsWith("{\\an9}", StringComparison.Ordinal))
|
||
{
|
||
tti.VerticalPosition = 1; // top (vertical)
|
||
}
|
||
else if (text.StartsWith("{\\an4}", StringComparison.Ordinal) || text.StartsWith("{\\an5}", StringComparison.Ordinal) || text.StartsWith("{\\an6}", StringComparison.Ordinal))
|
||
{
|
||
tti.VerticalPosition = (byte)(rows / 2); // middle (vertical)
|
||
}
|
||
else
|
||
{
|
||
int startRow = (rows - 1) - Utilities.CountTagInText(text, Environment.NewLine) * 2;
|
||
if (startRow < 0)
|
||
startRow = 0;
|
||
tti.VerticalPosition = (byte)startRow; // bottom (vertical)
|
||
}
|
||
|
||
tti.JustificationCode = EbuUiHelper.JustificationCode; // use default justification
|
||
if (text.StartsWith("{\\an1}", StringComparison.Ordinal) || text.StartsWith("{\\an4}", StringComparison.Ordinal) || text.StartsWith("{\\an7}", StringComparison.Ordinal))
|
||
{
|
||
tti.JustificationCode = 1; // 01h=left-justified text
|
||
}
|
||
else if (text.StartsWith("{\\an3}", StringComparison.Ordinal) || text.StartsWith("{\\an6}", StringComparison.Ordinal) || text.StartsWith("{\\an9}", StringComparison.Ordinal))
|
||
{
|
||
tti.JustificationCode = 3; // 03h=right-justified
|
||
}
|
||
else if (text.StartsWith("{\\an2}", StringComparison.Ordinal) || text.StartsWith("{\\an5}", StringComparison.Ordinal) || text.StartsWith("{\\an8}", StringComparison.Ordinal))
|
||
{
|
||
tti.JustificationCode = 2; // 02h=centred text
|
||
}
|
||
|
||
tti.SubtitleNumber = (ushort)subtitleNumber;
|
||
tti.TextField = text;
|
||
int startTag = tti.TextField.IndexOf('}');
|
||
if (tti.TextField.StartsWith("{\\", StringComparison.Ordinal) && startTag > 0 && startTag < 10)
|
||
{
|
||
tti.TextField = tti.TextField.Remove(0, startTag + 1);
|
||
}
|
||
|
||
tti.TimeCodeInHours = p.StartTime.Hours;
|
||
tti.TimeCodeInMinutes = p.StartTime.Minutes;
|
||
tti.TimeCodeInSeconds = p.StartTime.Seconds;
|
||
tti.TimeCodeInMilliseconds = p.StartTime.Milliseconds;
|
||
tti.TimeCodeOutHours = p.EndTime.Hours;
|
||
tti.TimeCodeOutMinutes = p.EndTime.Minutes;
|
||
tti.TimeCodeOutSeconds = p.EndTime.Seconds;
|
||
tti.TimeCodeOutMilliseconds = p.EndTime.Milliseconds;
|
||
buffer = tti.GetBytes(header);
|
||
fs.Write(buffer, 0, buffer.Length);
|
||
subtitleNumber++;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
public override bool IsMine(List<string> lines, string fileName)
|
||
{
|
||
if (!string.IsNullOrEmpty(fileName) && File.Exists(fileName))
|
||
{
|
||
var fi = new FileInfo(fileName);
|
||
if (fi.Length >= 1024 + 128 && fi.Length < 1024000) // not too small or too big
|
||
{
|
||
try
|
||
{
|
||
byte[] buffer = FileUtil.ReadAllBytesShared(fileName);
|
||
EbuGeneralSubtitleInformation header = ReadHeader(buffer);
|
||
if (header.DiskFormatCode.StartsWith("STL23", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL24", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL25", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL29", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL30", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL35", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL48", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL50", StringComparison.Ordinal) ||
|
||
header.DiskFormatCode.StartsWith("STL60", StringComparison.Ordinal) ||
|
||
("012 ".Contains(header.DisplayStandardCode) && "437|850|860|863|865".Contains(header.CodePageNumber)))
|
||
{
|
||
return Utilities.IsInteger(header.CodePageNumber) || fileName.EndsWith(".stl", StringComparison.OrdinalIgnoreCase);
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
public override string ToText(Subtitle subtitle, string title)
|
||
{
|
||
return "Not supported!";
|
||
}
|
||
|
||
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
|
||
{
|
||
subtitle.Paragraphs.Clear();
|
||
subtitle.Header = null;
|
||
byte[] buffer = FileUtil.ReadAllBytesShared(fileName);
|
||
EbuGeneralSubtitleInformation header = ReadHeader(buffer);
|
||
subtitle.Header = Encoding.UTF8.GetString(buffer);
|
||
Paragraph last = null;
|
||
byte lastExtensionBlockNumber = 0xff;
|
||
JustificationCodes = new List<int>();
|
||
VerticalPositions = new List<int>();
|
||
Configuration.Settings.General.CurrentFrameRate = header.FrameRate;
|
||
foreach (EbuTextTimingInformation tti in ReadTextAndTiming(buffer, header))
|
||
{
|
||
if (tti.ExtensionBlockNumber != 0xfe) // FEh : Reserved for User Data
|
||
{
|
||
var p = new Paragraph();
|
||
p.Text = tti.TextField;
|
||
p.StartTime = new TimeCode(tti.TimeCodeInHours, tti.TimeCodeInMinutes, tti.TimeCodeInSeconds, tti.TimeCodeInMilliseconds);
|
||
p.EndTime = new TimeCode(tti.TimeCodeOutHours, tti.TimeCodeOutMinutes, tti.TimeCodeOutSeconds, tti.TimeCodeOutMilliseconds);
|
||
|
||
if (lastExtensionBlockNumber != 0xff && last != null)
|
||
{
|
||
last.Text += p.Text; // merge text
|
||
}
|
||
else
|
||
{
|
||
subtitle.Paragraphs.Add(p);
|
||
last = p;
|
||
}
|
||
p.Text = HtmlUtil.FixInvalidItalicTags(p.Text);
|
||
lastExtensionBlockNumber = tti.ExtensionBlockNumber;
|
||
}
|
||
}
|
||
subtitle.Renumber();
|
||
Header = header;
|
||
}
|
||
|
||
public static EbuGeneralSubtitleInformation ReadHeader(byte[] buffer)
|
||
{
|
||
var header = new EbuGeneralSubtitleInformation();
|
||
header.CodePageNumber = Encoding.Default.GetString(buffer, 0, 3);
|
||
header.DiskFormatCode = Encoding.Default.GetString(buffer, 3, 8);
|
||
header.DisplayStandardCode = Encoding.Default.GetString(buffer, 11, 1);
|
||
header.CharacterCodeTableNumber = Encoding.Default.GetString(buffer, 12, 2);
|
||
header.LanguageCode = Encoding.Default.GetString(buffer, 14, 2);
|
||
header.OriginalProgrammeTitle = Encoding.Default.GetString(buffer, 16, 32);
|
||
header.OriginalEpisodeTitle = Encoding.Default.GetString(buffer, 48, 32);
|
||
header.TranslatedProgrammeTitle = Encoding.Default.GetString(buffer, 80, 32);
|
||
header.TranslatedEpisodeTitle = Encoding.Default.GetString(buffer, 112, 32);
|
||
header.TranslatorsName = Encoding.Default.GetString(buffer, 144, 32);
|
||
header.TranslatorsContactDetails = Encoding.Default.GetString(buffer, 176, 32);
|
||
header.SubtitleListReferenceCode = Encoding.Default.GetString(buffer, 208, 16);
|
||
header.CreationDate = Encoding.Default.GetString(buffer, 224, 6);
|
||
header.RevisionDate = Encoding.Default.GetString(buffer, 230, 6);
|
||
header.RevisionNumber = Encoding.Default.GetString(buffer, 236, 2);
|
||
header.TotalNumberOfTextAndTimingInformationBlocks = Encoding.Default.GetString(buffer, 238, 5);
|
||
header.TotalNumberOfSubtitles = Encoding.Default.GetString(buffer, 243, 5);
|
||
header.TotalNumberOfSubtitleGroups = Encoding.Default.GetString(buffer, 248, 3);
|
||
header.MaximumNumberOfDisplayableCharactersInAnyTextRow = Encoding.Default.GetString(buffer, 251, 2);
|
||
header.MaximumNumberOfDisplayableRows = Encoding.Default.GetString(buffer, 253, 2);
|
||
header.TimeCodeStatus = Encoding.Default.GetString(buffer, 255, 1);
|
||
header.TimeCodeStartOfProgramme = Encoding.Default.GetString(buffer, 256, 8);
|
||
header.CountryOfOrigin = Encoding.Default.GetString(buffer, 274, 3);
|
||
header.SpareBytes = Encoding.Default.GetString(buffer, 373, 75);
|
||
header.UserDefinedArea = Encoding.Default.GetString(buffer, 448, 576);
|
||
|
||
return header;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Get text with regard code page from header
|
||
/// </summary>
|
||
/// <param name="skipNext">Skip next character</param>
|
||
/// <param name="header">EBU header</param>
|
||
/// <param name="buffer">data buffer</param>
|
||
/// <param name="index">index to current byte in buffer</param>
|
||
/// <returns>Character at index</returns>
|
||
private static string GetCharacter(out bool skipNext, EbuGeneralSubtitleInformation header, byte[] buffer, int index)
|
||
{
|
||
skipNext = false;
|
||
|
||
if (header.LanguageCode == LanguageCodeChinese)
|
||
{
|
||
skipNext = true;
|
||
return Encoding.GetEncoding(1200).GetString(buffer, index, 2); // 16-bit Unicode
|
||
}
|
||
|
||
if (header.CharacterCodeTableNumber == "00")
|
||
{
|
||
//note that 0xC1—0xCF combines characters - http://en.wikipedia.org/wiki/ISO/IEC_6937
|
||
var encoding = Encoding.GetEncoding(20269);
|
||
string next = encoding.GetString(buffer, index + 1, 1);
|
||
switch (buffer[index])
|
||
{
|
||
case 0xc1: // Grave
|
||
skipNext = @"AEIOUaeiou".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "À";
|
||
case "E": return "È";
|
||
case "I": return "Ì";
|
||
case "O": return "Ò";
|
||
case "U": return "Ù";
|
||
case "a": return "à";
|
||
case "e": return "è";
|
||
case "i": return "ì";
|
||
case "o": return "ò";
|
||
case "u": return "ù";
|
||
}
|
||
return string.Empty;
|
||
case 0xc2: // Acute
|
||
skipNext = @"ACEILNORSUYZacegilnorsuyz".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Á";
|
||
case "C": return "Ć";
|
||
case "E": return "É";
|
||
case "I": return "Í";
|
||
case "L": return "Ĺ";
|
||
case "N": return "Ń";
|
||
case "O": return "Ó";
|
||
case "R": return "Ŕ";
|
||
case "S": return "Ś";
|
||
case "U": return "Ú";
|
||
case "Y": return "Ý";
|
||
case "Z": return "Ź";
|
||
case "a": return "á";
|
||
case "c": return "ć";
|
||
case "e": return "é";
|
||
case "g": return "ģ";
|
||
case "i": return "í";
|
||
case "l": return "ĺ";
|
||
case "n": return "ń";
|
||
case "o": return "ó";
|
||
case "r": return "ŕ";
|
||
case "s": return "ś";
|
||
case "u": return "ú";
|
||
case "y": return "ý";
|
||
case "z": return "ź";
|
||
}
|
||
return string.Empty;
|
||
case 0xc3: // Circumflex
|
||
skipNext = @"ACEGHIJOSUWYaceghijosuwy".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Â";
|
||
case "C": return "Ĉ";
|
||
case "E": return "Ê";
|
||
case "G": return "Ĝ";
|
||
case "H": return "Ĥ";
|
||
case "I": return "Î";
|
||
case "J": return "Ĵ";
|
||
case "O": return "Ô";
|
||
case "S": return "Ŝ";
|
||
case "U": return "Û";
|
||
case "W": return "Ŵ";
|
||
case "Y": return "Ŷ";
|
||
case "a": return "â";
|
||
case "c": return "ĉ";
|
||
case "e": return "ê";
|
||
case "g": return "ĝ";
|
||
case "h": return "ĥ";
|
||
case "i": return "î";
|
||
case "j": return "ĵ";
|
||
case "o": return "ô";
|
||
case "s": return "ŝ";
|
||
case "u": return "û";
|
||
case "w": return "ŵ";
|
||
case "y": return "ŷ";
|
||
}
|
||
return string.Empty;
|
||
case 0xc4: // Tilde
|
||
skipNext = @"AINOUainou".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Ã";
|
||
case "I": return "Ĩ";
|
||
case "N": return "Ñ";
|
||
case "O": return "Õ";
|
||
case "U": return "Ũ";
|
||
case "a": return "ã";
|
||
case "i": return "ĩ";
|
||
case "n": return "ñ";
|
||
case "o": return "õ";
|
||
case "u": return "ũ";
|
||
}
|
||
return string.Empty;
|
||
case 0xc5: // Macron
|
||
skipNext = @"AEIOUaeiou".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Ā";
|
||
case "E": return "Ē";
|
||
case "I": return "Ī";
|
||
case "O": return "Ō";
|
||
case "U": return "Ū";
|
||
case "a": return "ā";
|
||
case "e": return "ē";
|
||
case "i": return "ī";
|
||
case "o": return "ō";
|
||
case "u": return "ū";
|
||
}
|
||
return string.Empty;
|
||
case 0xc6: // Breve
|
||
skipNext = @"AGUagu".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Ă";
|
||
case "G": return "Ğ";
|
||
case "U": return "Ŭ";
|
||
case "a": return "ă";
|
||
case "g": return "ğ";
|
||
case "u": return "ŭ";
|
||
}
|
||
return string.Empty;
|
||
case 0xc7: // Dot
|
||
skipNext = @"CEGIZcegiz".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "C": return "Ċ";
|
||
case "E": return "Ė";
|
||
case "G": return "Ġ";
|
||
case "I": return "İ";
|
||
case "Z": return "Ż";
|
||
case "c": return "ċ";
|
||
case "e": return "ė";
|
||
case "g": return "ġ";
|
||
case "i": return "ı";
|
||
case "z": return "ż";
|
||
}
|
||
return string.Empty;
|
||
case 0xc8: // Umlaut or diæresis
|
||
skipNext = @"AEIOUYaeiouy".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Ä";
|
||
case "E": return "Ë";
|
||
case "I": return "Ï";
|
||
case "O": return "Ö";
|
||
case "U": return "Ü";
|
||
case "Y": return "Ÿ";
|
||
case "a": return "ä";
|
||
case "e": return "ë";
|
||
case "i": return "ï";
|
||
case "o": return "ö";
|
||
case "u": return "ü";
|
||
case "y": return "ÿ";
|
||
}
|
||
return string.Empty;
|
||
case 0xca: // Ring
|
||
skipNext = @"AUau".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Å";
|
||
case "U": return "Ů";
|
||
case "a": return "å";
|
||
case "u": return "ů";
|
||
}
|
||
return string.Empty;
|
||
case 0xcb: // Cedilla
|
||
skipNext = @"CGKLNRSTcklnrst".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "C": return "Ç";
|
||
case "G": return "Ģ";
|
||
case "K": return "Ķ";
|
||
case "L": return "Ļ";
|
||
case "N": return "Ņ";
|
||
case "R": return "Ŗ";
|
||
case "S": return "Ş";
|
||
case "T": return "Ţ";
|
||
case "c": return "ç";
|
||
case "k": return "ķ";
|
||
case "l": return "ļ";
|
||
case "n": return "ņ";
|
||
case "r": return "ŗ";
|
||
case "s": return "ş";
|
||
case "t": return "ţ";
|
||
}
|
||
return string.Empty;
|
||
case 0xcd: // DoubleAcute
|
||
skipNext = @"OUou".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "O": return "Ő";
|
||
case "U": return "Ű";
|
||
case "o": return "ő";
|
||
case "u": return "ű";
|
||
}
|
||
return string.Empty;
|
||
case 0xce: // Ogonek
|
||
skipNext = @"AEIUaeiu".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "A": return "Ą";
|
||
case "E": return "Ę";
|
||
case "I": return "Į";
|
||
case "U": return "Ų";
|
||
case "a": return "ą";
|
||
case "e": return "ę";
|
||
case "i": return "į";
|
||
case "u": return "ų";
|
||
}
|
||
return string.Empty;
|
||
case 0xcf: // Caron
|
||
skipNext = @"CDELNRSTZcdelnrstz".Contains(next);
|
||
switch (next)
|
||
{
|
||
case "C": return "Č";
|
||
case "D": return "Ď";
|
||
case "E": return "Ě";
|
||
case "L": return "Ľ";
|
||
case "N": return "Ň";
|
||
case "R": return "Ř";
|
||
case "S": return "Š";
|
||
case "T": return "Ť";
|
||
case "Z": return "Ž";
|
||
case "c": return "č";
|
||
case "d": return "ď";
|
||
case "e": return "ě";
|
||
case "l": return "ľ";
|
||
case "n": return "ň";
|
||
case "r": return "ř";
|
||
case "s": return "š";
|
||
case "t": return "ť";
|
||
case "z": return "ž";
|
||
}
|
||
return string.Empty;
|
||
default:
|
||
return encoding.GetString(buffer, index, 1);
|
||
}
|
||
}
|
||
if (header.CharacterCodeTableNumber == "01") // Latin/Cyrillic alphabet - from ISO 8859/5-1988
|
||
{
|
||
return Encoding.GetEncoding("ISO-8859-5").GetString(buffer, index, 1);
|
||
}
|
||
if (header.CharacterCodeTableNumber == "02") // Latin/Arabic alphabet - from ISO 8859/6-1987
|
||
{
|
||
return Encoding.GetEncoding("ISO-8859-6").GetString(buffer, index, 1);
|
||
}
|
||
if (header.CharacterCodeTableNumber == "03") // Latin/Greek alphabet - from ISO 8859/7-1987
|
||
{
|
||
return Encoding.GetEncoding("ISO-8859-7").GetString(buffer, index, 1); // or ISO-8859-1 ?
|
||
}
|
||
if (header.CharacterCodeTableNumber == "04") // Latin/Hebrew alphabet - from ISO 8859/8-1988
|
||
{
|
||
return Encoding.GetEncoding("ISO-8859-8").GetString(buffer, index, 1);
|
||
}
|
||
|
||
return string.Empty;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Read TTI block
|
||
/// </summary>
|
||
private IEnumerable<EbuTextTimingInformation> ReadTextAndTiming(byte[] buffer, EbuGeneralSubtitleInformation header)
|
||
{
|
||
const int startOfTextAndTimingBlock = 1024;
|
||
const int ttiSize = 128;
|
||
const byte textFieldCarriageReturnLineFeed = 0x8A;
|
||
const byte textFieldTerminator = 0x8F;
|
||
const byte italicsOn = 0x80;
|
||
const byte italicsOff = 0x81;
|
||
const byte underlineOn = 0x82;
|
||
const byte underlineOff = 0x83;
|
||
|
||
var list = new List<EbuTextTimingInformation>();
|
||
int index = startOfTextAndTimingBlock;
|
||
while (index + ttiSize <= buffer.Length)
|
||
{
|
||
var tti = new EbuTextTimingInformation();
|
||
|
||
tti.SubtitleGroupNumber = buffer[index];
|
||
tti.SubtitleNumber = (ushort)(buffer[index + 2] * 256 + buffer[index + 1]);
|
||
tti.ExtensionBlockNumber = buffer[index + 3];
|
||
tti.CumulativeStatus = buffer[index + 4];
|
||
|
||
tti.TimeCodeInHours = buffer[index + 5 + 0];
|
||
tti.TimeCodeInMinutes = buffer[index + 5 + 1];
|
||
tti.TimeCodeInSeconds = buffer[index + 5 + 2];
|
||
tti.TimeCodeInMilliseconds = FramesToMillisecondsMax999(buffer[index + 5 + 3]);
|
||
|
||
tti.TimeCodeOutHours = buffer[index + 9 + 0];
|
||
tti.TimeCodeOutMinutes = buffer[index + 9 + 1];
|
||
tti.TimeCodeOutSeconds = buffer[index + 9 + 2];
|
||
tti.TimeCodeOutMilliseconds = FramesToMillisecondsMax999(buffer[index + 9 + 3]);
|
||
|
||
tti.VerticalPosition = buffer[index + 13];
|
||
VerticalPositions.Add(tti.VerticalPosition);
|
||
tti.JustificationCode = buffer[index + 14];
|
||
JustificationCodes.Add(tti.JustificationCode);
|
||
tti.CommentFlag = buffer[index + 15];
|
||
|
||
// build text
|
||
bool skipNext = false;
|
||
var sb = new StringBuilder();
|
||
string endTags = string.Empty;
|
||
string color = string.Empty;
|
||
string lastColor = string.Empty;
|
||
|
||
for (int i = 0; i < 112; i++) // skip fist byte (seems to be always 0xd/32/space - thx Iban)
|
||
{
|
||
byte b = buffer[index + 16 + i];
|
||
if (skipNext)
|
||
{
|
||
skipNext = false;
|
||
}
|
||
else if (header.LanguageCode == LanguageCodeChinese)
|
||
{
|
||
if (b == textFieldTerminator)
|
||
{
|
||
break;
|
||
}
|
||
if (index + 16 + i + 1 < buffer.Length)
|
||
{
|
||
byte next = buffer[index + 17 + i];
|
||
if (b == 0 && next == textFieldTerminator)
|
||
break;
|
||
if (b == 0 && next == 138) // new line
|
||
{
|
||
sb.AppendLine();
|
||
skipNext = true;
|
||
}
|
||
else
|
||
{
|
||
sb.Append(GetCharacter(out skipNext, header, buffer, index + 16 + i));
|
||
}
|
||
}
|
||
}
|
||
else if (b <= 0xf && (i == 0 || i == 2 || i == 3))
|
||
{
|
||
// not used, 0=0xd, 2=0xb, 3=0xb
|
||
}
|
||
else
|
||
{
|
||
if (b <= 0x17)
|
||
{
|
||
switch (b)
|
||
{
|
||
case 0x00:
|
||
case 0x10:
|
||
color = "Black";
|
||
break;
|
||
case 0x01:
|
||
case 0x11:
|
||
color = "Red";
|
||
break;
|
||
case 0x02:
|
||
case 0x12:
|
||
color = "Green";
|
||
break;
|
||
case 0x03:
|
||
case 0x13:
|
||
color = "Yellow";
|
||
break;
|
||
case 0x04:
|
||
case 0x14:
|
||
color = "Blue";
|
||
break;
|
||
case 0x05:
|
||
case 0x15:
|
||
color = "Magenta";
|
||
break;
|
||
case 0x06:
|
||
case 0x16:
|
||
color = "Cyan";
|
||
break;
|
||
case 0x07:
|
||
case 0x17:
|
||
color = "White";
|
||
break;
|
||
}
|
||
}
|
||
if (b == textFieldCarriageReturnLineFeed)
|
||
sb.AppendLine();
|
||
else if (b == italicsOn && header.LanguageCode != LanguageCodeChinese)
|
||
sb.Append("<i>");
|
||
else if (b == italicsOff && header.LanguageCode != LanguageCodeChinese)
|
||
sb.Append("</i>");
|
||
else if (b == underlineOn && header.LanguageCode != LanguageCodeChinese)
|
||
sb.Append("<u>");
|
||
else if (b == underlineOff && header.LanguageCode != LanguageCodeChinese)
|
||
sb.Append("</u>");
|
||
else if (b == 0xd3 && header.CharacterCodeTableNumber == "00") // Latin
|
||
{
|
||
sb.Append("©");
|
||
}
|
||
else if (b == 0xd4 && header.CharacterCodeTableNumber == "00") // Latin
|
||
{
|
||
sb.Append("™");
|
||
}
|
||
else if (b == 0xd5 && header.CharacterCodeTableNumber == "00") // Latin
|
||
{
|
||
sb.Append("♪");
|
||
}
|
||
|
||
//else if (b == 0xD0) // em-dash
|
||
// sb.Append('–');
|
||
else if (b == textFieldTerminator)
|
||
break;
|
||
else if ((b >= 0x20 && b <= 0x7F) || b >= 0xA1 || header.LanguageCode == LanguageCodeChinese)
|
||
{
|
||
string ch = GetCharacter(out skipNext, header, buffer, index + 16 + i);
|
||
if (ch != " ")
|
||
{
|
||
if (color != lastColor && color.Length > 0)
|
||
{
|
||
endTags = "</font>";
|
||
if (lastColor.Length > 0)
|
||
sb.Append("</font>");
|
||
sb.Append("<font color=\"" + color + "\">");
|
||
}
|
||
lastColor = color;
|
||
}
|
||
sb.Append(ch);
|
||
}
|
||
}
|
||
}
|
||
tti.TextField = sb.ToString().Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine).TrimEnd() + endTags;
|
||
|
||
int rows;
|
||
if (!int.TryParse(header.MaximumNumberOfDisplayableRows, out rows))
|
||
rows = 23;
|
||
if (tti.VerticalPosition < 3)
|
||
{
|
||
if (tti.JustificationCode == 1) // left
|
||
tti.TextField = "{\\an7}" + tti.TextField;
|
||
else if (tti.JustificationCode == 3) // right
|
||
tti.TextField = "{\\an9}" + tti.TextField;
|
||
else
|
||
tti.TextField = "{\\an8}" + tti.TextField;
|
||
}
|
||
else if (tti.VerticalPosition <= rows / 2 + 1)
|
||
{
|
||
if (tti.JustificationCode == 1) // left
|
||
tti.TextField = "{\\an4}" + tti.TextField;
|
||
else if (tti.JustificationCode == 3) // right
|
||
tti.TextField = "{\\an6}" + tti.TextField;
|
||
else
|
||
tti.TextField = "{\\an5}" + tti.TextField;
|
||
}
|
||
else
|
||
{
|
||
if (tti.JustificationCode == 1) // left
|
||
tti.TextField = "{\\an1}" + tti.TextField;
|
||
else if (tti.JustificationCode == 3) // right
|
||
tti.TextField = "{\\an3}" + tti.TextField;
|
||
}
|
||
index += ttiSize;
|
||
list.Add(tti);
|
||
}
|
||
return list;
|
||
}
|
||
|
||
public override bool IsTextBased
|
||
{
|
||
get
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
|
||
}
|
||
}
|