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Can now read EBU texts that span multiple TTI packets - Thx Peter :)

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git-svn-id: https://subtitleedit.googlecode.com/svn/trunk@1102 99eadd0c-20b8-1223-b5c4-2a2b2df33de2
This commit is contained in:
niksedk 2012-04-08 11:05:52 +00:00
parent cffb2260c8
commit dc09d19adf
1 changed files with 47 additions and 35 deletions
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82
src/Logic/SubtitleFormats/Ebu.cs
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@ -346,25 +346,25 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
{
if (RegExpr.IsMatch(color))
{
const int MaxDiff = 130;
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)
if (r < maxDiff && g < maxDiff && b < maxDiff)
return encoding.GetString(new byte[] { 0x00 }); // black
if (r > 255 - MaxDiff && g < MaxDiff && b < MaxDiff)
if (r > 255 - maxDiff && g < maxDiff && b < maxDiff)
return encoding.GetString(new byte[] { 0x01 }); // red
if (r < MaxDiff && g > 255 - MaxDiff && b < MaxDiff)
if (r < maxDiff && g > 255 - maxDiff && b < maxDiff)
return encoding.GetString(new byte[] { 0x02 }); // green
if (r > 255 - MaxDiff && g > 255 - MaxDiff && b < MaxDiff)
if (r > 255 - maxDiff && g > 255 - maxDiff && b < maxDiff)
return encoding.GetString(new byte[] { 0x03 }); // yellow
if (r < MaxDiff && g < MaxDiff && b > 255 - MaxDiff)
if (r < maxDiff && g < maxDiff && b > 255 - maxDiff)
return encoding.GetString(new byte[] { 0x04 }); // blue
if (r > 255 - MaxDiff && g < MaxDiff && b > 255 - MaxDiff)
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)
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)
if (r > 255-maxDiff && g > 255-maxDiff && b > 255-maxDiff)
return encoding.GetString(new byte[] { 0x07 }); // white
}
}
@ -411,8 +411,8 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
public void Save(string fileName, Subtitle subtitle)
{
EbuGeneralSubtitleInformation header = new EbuGeneralSubtitleInformation();
EbuSaveOptions saveOptions = new EbuSaveOptions();
var header = new EbuGeneralSubtitleInformation();
var saveOptions = new EbuSaveOptions();
if (subtitle.Header != null && subtitle.Header.Length > 1024 && (subtitle.Header.Contains("STL25") || subtitle.Header.Contains("STL30")))
{
header = ReadHeader(Encoding.UTF8.GetBytes(subtitle.Header));
@ -426,7 +426,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
if (saveOptions.ShowDialog() != DialogResult.OK)
return;
FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write);
var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write);
header.TotalNumberOfSubtitles = ((subtitle.Paragraphs.Count+1).ToString()).PadLeft(5, '0'); // seems to be 1 higher than actual number of subtitles
header.TotalNumberOfTextAndTimingInformationBlocks = header.TotalNumberOfSubtitles;
@ -446,13 +446,13 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
header.TimeCodeFirstInCue = firstTimeCode;
}
byte[] buffer = ASCIIEncoding.ASCII.GetBytes(header.ToString());
byte[] buffer = Encoding.ASCII.GetBytes(header.ToString());
fs.Write(buffer, 0, buffer.Length);
int subtitleNumber = 0;
foreach (Paragraph p in subtitle.Paragraphs)
{
EbuTextTimingInformation tti = new EbuTextTimingInformation();
var tti = new EbuTextTimingInformation();
if (p.Text.Contains(Environment.NewLine))
tti.VerticalPosition = 0x14;
else
@ -479,7 +479,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
{
if (!string.IsNullOrEmpty(fileName) && File.Exists(fileName))
{
FileInfo fi = new FileInfo(fileName);
var fi = new FileInfo(fileName);
if (fi.Length > 1024 + 128 && fi.Length < 1024000) // not too small or too big
{
byte[] buffer = File.ReadAllBytes(fileName);
@ -506,6 +506,8 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
byte[] buffer = File.ReadAllBytes(fileName);
EbuGeneralSubtitleInformation header = ReadHeader(buffer);
subtitle.Header = Encoding.UTF8.GetString(buffer);
Paragraph last = null;
byte lastExtensionBlockNumber = 0xff;
foreach (EbuTextTimingInformation tti in ReadTTI(buffer, header))
{
if (tti.ExtensionBlockNumber != 0xfe) // FEh : Reserved for User Data
@ -514,7 +516,17 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
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);
subtitle.Paragraphs.Add(p);
if (lastExtensionBlockNumber != 0xff && last != null)
{
last.Text += p.Text; // merge text
}
else
{
subtitle.Paragraphs.Add(p);
last = p;
}
lastExtensionBlockNumber = tti.ExtensionBlockNumber;
}
}
subtitle.Renumber(1);
@ -523,7 +535,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
private EbuGeneralSubtitleInformation ReadHeader(byte[] buffer)
{
EbuGeneralSubtitleInformation header = new EbuGeneralSubtitleInformation();
var header = new EbuGeneralSubtitleInformation();
header.CodePageNumber = Encoding.ASCII.GetString(buffer, 0, 3);
header.DiskFormatCode = Encoding.ASCII.GetString(buffer, 3, 8);
header.DisplayStandardCode = Encoding.ASCII.GetString(buffer, 11, 1);
@ -835,18 +847,18 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
private IEnumerable<EbuTextTimingInformation> ReadTTI(byte[] buffer, EbuGeneralSubtitleInformation header)
{
const int StartOfTTI = 1024;
const int TTISize = 128;
const byte TextFieldCRLF = 0x8A;
const byte TextFieldTerminator = 0x8F;
const byte ItalicsOn = 0x80;
const byte ItalicsOff = 0x81;
const byte UnderlineOn = 0x82;
const byte UnderlineOff = 0x83;
const int startOfTTI = 1024;
const int ttiSize = 128;
const byte textFieldCRLF = 0x8A;
const byte textFieldTerminator = 0x8F;
const byte italicsOn = 0x80;
const byte italicsOff = 0x81;
const byte underlineOn = 0x82;
const byte underlineOff = 0x83;
List<EbuTextTimingInformation> list = new List<EbuTextTimingInformation>();
int index = StartOfTTI;
while (index + TTISize <= buffer.Length)
var list = new List<EbuTextTimingInformation>();
int index = startOfTTI;
while (index + ttiSize <= buffer.Length)
{
var tti = new EbuTextTimingInformation();
@ -918,17 +930,17 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
break;
}
}
if (b == TextFieldCRLF)
if (b == textFieldCRLF)
sb.AppendLine();
else if (b == ItalicsOn)
else if (b == italicsOn)
sb.Append("<i>");
else if (b == ItalicsOff)
else if (b == italicsOff)
sb.Append("</i>");
else if (b == UnderlineOn)
else if (b == underlineOn)
sb.Append("<u>");
else if (b == UnderlineOff)
else if (b == underlineOff)
sb.Append("</u>");
else if (b == TextFieldTerminator)
else if (b == textFieldTerminator)
break;
else if ((b >= 0x20 && b <= 0x7F) || b >= 0xA1)
{
@ -949,7 +961,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
}
}
tti.TextField = sb.ToString().Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine).TrimEnd() + endTags;
index += TTISize;
index += ttiSize;
list.Add(tti);
}
return list;