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working on chk

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This commit is contained in:
Nikolaj Olsson 2014-09-03 21:05:31 +02:00
parent f95fbdab9c
commit c9944b4465
1 changed files with 86 additions and 23 deletions
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109
src/Logic/SubtitleFormats/Chk.cs
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@ -1,4 +1,5 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
@ -7,6 +8,9 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
{
public class Chk : SubtitleFormat
{
private Encoding _codePage = Encoding.GetEncoding(850);
private string _languageId = "EN";
public override string Extension
{
get { return ".chk"; }
@ -26,7 +30,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
{
if (fileName.ToLower().EndsWith(".chk"))
{
//try to load subtitle
//TODO: something like checking the first bytes...
return true;
}
return false;
@ -40,7 +44,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
var buffer = Utilities.ReadAllBytes(fileName);
int index = 512;
int index = 256;
_errorCount = 0;
subtitle.Paragraphs.Clear();
while (index < buffer.Length)
@ -52,33 +56,92 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
}
}
private Queue<Paragraph> _stack = new Queue<Paragraph>();
private Paragraph ReadParagraph(byte[] buffer, int index)
{
var sb = new StringBuilder();
int skipCount = 0;
for (int i = 0; i < 46; i++)
if (buffer[index] != 0x0a && buffer[index] != 1)
{
if (skipCount > 0)
_stack = new Queue<Paragraph>();
for (int i = 0; i < 15; i++)
{
skipCount--;
}
else if (buffer[index + 13 + i] == 0xFE)
{
skipCount = 2;
sb.AppendLine();
}
else if (buffer[index + 13 + i] == 0)
{
break;
}
else
{
sb.Append(System.Text.Encoding.Default.GetString(buffer, index + 13 + i, 1));
int start = index + 2 + (i*8);
int startBig = buffer[start + 3];
int startFrame = buffer[start + 4];
int endBig = buffer[start + 5];
int endFrame = buffer[start + 6];
Paragraph p = new Paragraph();
//p.StartTime.TotalMilliseconds = startFrame * Configuration.Settings.General.CurrentFrameRate + startBig * 256;
//p.EndTime.TotalMilliseconds = endFrame * Configuration.Settings.General.CurrentFrameRate + endBig * 256;
p.StartTime.TotalMilliseconds = startFrame * Configuration.Settings.General.CurrentFrameRate + startBig * new TimeSpan(0, 43, 41, 600).TotalMilliseconds;
p.EndTime.TotalMilliseconds = endFrame * Configuration.Settings.General.CurrentFrameRate + endBig * new TimeSpan(0, 43, 41, 600).TotalMilliseconds;
_stack.Enqueue(p);
}
}
Paragraph p = new Paragraph();
p.Text = sb.ToString();
return p;
else if (buffer[index] != 1)
{
// time codes or what?
}
else // 01 = text
{
var sb = new StringBuilder();
int skipCount = 0;
int textLength = buffer[index + 2] - 11;
for (int i = 0; i <= textLength; i++)
{
if (skipCount > 0)
{
skipCount--;
}
else if (buffer[index + 13 + i] == 0xFE)
{
skipCount = 2;
sb.AppendLine();
}
else if (buffer[index + 13 + i] == 0)
{
break;
}
else
{
sb.Append(_codePage.GetString(buffer, index + 13 + i, 1));
}
}
Paragraph p;
if (_stack.Count > 0)
p = _stack.Dequeue();
else
p = new Paragraph();
p.Number = buffer[index + 3] * 256 + buffer[index + 4]; // Subtitle number
p.Text = sb.ToString();
if (p.Number == 0 && p.Text.StartsWith("LANG:D", StringComparison.Ordinal) && p.Text.Length > 8)
{
_languageId = p.Text.Substring(6, 2);
}
else
{
if (_languageId == "SP")
{
p.Text = p.Text.Replace("ÔA", "Á");
p.Text = p.Text.Replace("ÔE", "É");
p.Text = p.Text.Replace("ÔI", "Í");
p.Text = p.Text.Replace("ÓN", "Ñ");
p.Text = p.Text.Replace("ÔO", "Ó");
p.Text = p.Text.Replace("ÔU", "Ú");
p.Text = p.Text.Replace("Ôa", "á");
p.Text = p.Text.Replace("Ôe", "é");
p.Text = p.Text.Replace("Ôi", "í");
p.Text = p.Text.Replace("Ón", "ñ");
p.Text = p.Text.Replace("Ôo", "ó");
p.Text = p.Text.Replace("Ôu", "ú");
}
}
return p;
}
return null;
}
}