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Merge pull request #2496 from kamenf/patch-1

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TSB4: handling codepage and correct text extract
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Nikolaj Olsson 2017-08-02 08:18:08 +02:00 committed by GitHub
commit d3e7fe3383
1 changed files with 18 additions and 6 deletions
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24
libse/SubtitleFormats/TSB4.cs
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@ -1,5 +1,6 @@
using System.Collections.Generic;
using System.Text;
using System;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
@ -54,31 +55,42 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
return;
}
int CodePage = 0; // use default code page if not found
for (int i = 0; i < array.Length - 20; i++)
{
if (array[i] == 67 && array[i + 1] == 80 && array[i + 2] == 65 && array[i + 3] == 71 && array[i + 4] == 4 && array[i + 5] == 0 && array[i + 6] == 0 && array[i + 7] == 0) // CPAG
{
CodePage = array[i+8] + array[i+9]*256;
i += 12;
}
if (array[i] == 84 && array[i + 1] == 73 && array[i + 2] == 84 && array[i + 3] == 76 && array[i + 8] == 84 && array[i + 9] == 73 && array[i + 10] == 77 && array[i + 11] == 69) // TITL + TIME
{
int endOfText = array[i + 4];
int endOfText = array[i + 4] + array[i+5]*256; // get only first two bytes of size
int start = array[i + 16] + array[i + 17] * 256;
if (array[i + 18] != 32)
// if (array[i + 18] != 32)
start += array[i + 18] * 256 * 256;
int end = array[i + 20] + array[i + 21] * 256;
if (array[i + 22] != 32)
// if (array[i + 22] != 32)
end += array[i + 22] * 256 * 256;
int textStart = i;
while (textStart < i + endOfText && !(array[textStart] == 0x4C && array[textStart + 1] == 0x49 && array[textStart + 2] == 0x4E && array[textStart + 3] == 0x45)) // LINE
while (textStart < i + endOfText - 8 && !(array[textStart] == 0x4C && array[textStart + 1] == 0x49 && array[textStart + 2] == 0x4E && array[textStart + 3] == 0x45)) // LINE
{
textStart++;
}
int length = i + endOfText - textStart - 2;
// int length = i + endOfText - textStart - 2;
int length = array[textStart+4] + array[textStart+5]*256;
textStart += 8;
string text = Encoding.Default.GetString(array, textStart, length);
// string text = Encoding.Default.GetString(array, textStart, length);
string text = Encoding.GetEncoding(CodePage).GetString(array, textStart, length);
// text = Encoding.Default.GetString(array, i + 53, endOfText - 47);
text = text.Trim('\0').Replace("\0", " ").Trim();
text = string.Join(Environment.NewLine, text.SplitToLines()); //conform to CRLF
var item = new Paragraph(text, FramesToMilliseconds(start), FramesToMilliseconds(end));
subtitle.Paragraphs.Add(item);
i += endOfText + 5;