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SubtitleEdit/libse/SubtitleFormats/Ultech130.cs

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Some line endings to CRLF
2016-02-08 21:11:03 +01:00
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
/// <summary>
/// The ULTECH caption file format (ULT/ULD file) is a compact binary file that stores captions with embedded EIA-608 control codes
/// http://en.wikipedia.org/wiki/EIA-608
/// </summary>
public class Ultech130 : SubtitleFormat
{
private const string UltechId = "ULTECH\01.30";
public override string Extension
{
get { return ".ult"; }
}
public const string NameOfFormat = "Ultech 1.30 Caption";
public override string Name
{
get { return NameOfFormat; }
}
public override bool IsTimeBased
{
get { return true; }
}
public static void Save(string fileName, Subtitle subtitle)
{
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
byte[] buffer = Encoding.ASCII.GetBytes(UltechId);
fs.Write(buffer, 0, buffer.Length);
buffer = new byte[] { 0, 0, 2, 0x1D, 0 }; // ?
fs.Write(buffer, 0, buffer.Length);
int numberOfLines = subtitle.Paragraphs.Count;
fs.WriteByte((byte)(numberOfLines % 256)); // paragraphs - low byte
fs.WriteByte((byte)(numberOfLines / 256)); // paragraphs - high byte
buffer = new byte[] { 0, 0, 0, 0, 0x1, 0, 0xF, 0x15, 0, 0, 0, 0, 0, 0, 0, 0x1, 0, 0xE, 0x15, 0, 0, 0, 0, 0, 0, 0, 0x1, 0, 0xD, 0x15, 0, 0, 0, 0, 0, 0, 0, 0x1, 0, 0xC, 0x15, 0, 0, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; // ?
fs.Write(buffer, 0, buffer.Length);
buffer = Encoding.ASCII.GetBytes("Subtitle Edit");
fs.Write(buffer, 0, buffer.Length);
while (fs.Length < 512)
fs.WriteByte(0);
var footer = new byte[] { 0xF1, 0x0B, 0x00, 0x00, 0x00, 0x1B, 0x18, 0x14, 0x20, 0x14, 0x2E, 0x14, 0x2F, 0x00 }; // footer
// paragraphs
foreach (Paragraph p in subtitle.Paragraphs)
{
// convert line breaks
var sb = new StringBuilder();
var line = new StringBuilder();
int skipCount = 0;
int numberOfNewLines = Utilities.GetNumberOfLines(p.Text);
bool italic = p.Text.StartsWith("<i>") && p.Text.EndsWith("</i>");
string text = HtmlUtil.RemoveHtmlTags(p.Text, true);
if (italic)
{
sb.Append('\u0011');
sb.Append('\u002E');
}
int y = 0x74 - (numberOfNewLines * 0x20);
for (int j = 0; j < text.Length; j++)
{
if (text.Substring(j).StartsWith(Environment.NewLine, StringComparison.Ordinal))
{
y += 0x20;
if (line.Length > 0)
sb.Append(line);
line.Clear();
skipCount = Environment.NewLine.Length - 1;
sb.Append('\u0014');
sb.Append(Convert.ToChar((byte)(y)));
//center
sb.Append('\u0017');
sb.Append('\u0021');
if (italic)
{
sb.Append('\u0011');
sb.Append('\u002E');
}
}
else if (skipCount == 0)
{
line.Append(text[j]);
}
else
{
skipCount--;
}
}
if (line.Length > 0)
sb.Append(line);
text = sb.ToString();
// codes?
buffer = new byte[] {
0x14,
0x20,
0x14,
0x2E,
0x14,
(byte)(0x74 - (numberOfNewLines * 0x20)),
0x17, 0x21, // 0x1721=center, 0x1722=right ?
};
//if (text.StartsWith("{\\a6}"))
//{
// text = p.Text.Remove(0, 5);
// buffer[7] = 1; // align top
//}
//else if (text.StartsWith("{\\a1}"))
//{
// text = p.Text.Remove(0, 5);
// buffer[8] = 0x0A; // align left
//}
//else if (text.StartsWith("{\\a3}"))
//{
// text = p.Text.Remove(0, 5);
// buffer[8] = 0x1E; // align right
//}
//else if (text.StartsWith("{\\a5}"))
//{
// text = p.Text.Remove(0, 5);
// buffer[7] = 1; // align top
// buffer[8] = 05; // align left
//}
//else if (text.StartsWith("{\\a7}"))
//{
// text = p.Text.Remove(0, 5);
// buffer[7] = 1; // align top
// buffer[8] = 0xc; // align right
//}
fs.WriteByte(0xF1); //ID of start record
// length
int length = text.Length + 15;
fs.WriteByte((byte)(length));
fs.WriteByte(0);
// start time
WriteTime(fs, p.StartTime);
fs.Write(buffer, 0, buffer.Length);
// text
buffer = Encoding.ASCII.GetBytes(text);
fs.Write(buffer, 0, buffer.Length); // Text starter på index 19 (0 baseret)
fs.WriteByte(0x14);
fs.WriteByte(0x2F);
fs.WriteByte(0);
// end time
fs.WriteByte(0xF1); // id of start record
fs.WriteByte(7); // length of end time
fs.WriteByte(0);
WriteTime(fs, p.EndTime);
fs.WriteByte(0x14);
fs.WriteByte(0x2c);
fs.WriteByte(0);
}
buffer = footer;
fs.Write(buffer, 0, buffer.Length);
}
}
private static void WriteTime(FileStream fs, TimeCode timeCode)
{
fs.WriteByte((byte)timeCode.Hours);
fs.WriteByte((byte)timeCode.Minutes);
fs.WriteByte((byte)timeCode.Seconds);
fs.WriteByte((byte)MillisecondsToFramesMaxFrameRate(timeCode.Milliseconds));
}
public override bool IsMine(List<string> lines, string fileName)
{
if (!string.IsNullOrEmpty(fileName) && File.Exists(fileName))
{
var fi = new FileInfo(fileName);
if (fi.Length >= 200 && fi.Length < 1024000) // not too small or too big
{
if (fileName.EndsWith(".ult", StringComparison.OrdinalIgnoreCase) || fileName.EndsWith(".uld", StringComparison.OrdinalIgnoreCase)) // drop frame is often named uld, and ult for non-drop
{
byte[] buffer = FileUtil.ReadAllBytesShared(fileName);
string id = Encoding.ASCII.GetString(buffer, 0, UltechId.Length);
return id == UltechId;
}
}
}
return false;
}
public override string ToText(Subtitle subtitle, string title)
{
return "Not supported!";
}
private static TimeCode DecodeTimestamp(byte[] buffer, int index)
{
return new TimeCode(buffer[index], buffer[index + 1], buffer[index + 2], FramesToMillisecondsMax999(buffer[index + 3]));
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
subtitle.Paragraphs.Clear();
subtitle.Header = null;
byte[] buffer = FileUtil.ReadAllBytesShared(fileName);
int i = 512;
Paragraph last = null;
var sb = new StringBuilder();
while (i < buffer.Length - 25)
{
var p = new Paragraph();
int length = buffer[i + 1];
p.StartTime = DecodeTimestamp(buffer, i + 3);
Minor subtitle formats refact
2016-06-07 06:31:03 +02:00
if (last != null && Math.Abs(last.EndTime.TotalMilliseconds) < 0.001)
Some line endings to CRLF
2016-02-08 21:11:03 +01:00
last.EndTime.TotalMilliseconds = p.StartTime.TotalMilliseconds - 1;
if (length > 22)
{
int start = i + 7;
sb.Clear();
int skipCount = 0;
bool italics = false;
//bool font = false;
for (int k = start; k < length + i; k++)
{
byte b = buffer[k];
if (skipCount > 0)
{
skipCount--;
}
else if (b < 0x1F)
{
byte b2 = buffer[k + 1];
skipCount = 1;
if (sb.Length > 0 && !sb.ToString().EndsWith(Environment.NewLine) && !sb.EndsWith('>'))
{
//if (font)
// sb.Append("</font>");
if (italics)
sb.Append("</i>");
sb.AppendLine();
//font = false;
italics = false;
}
//string code = VobSub.Helper.IntToBin(buffer[k] * 256 + buffer[k+1], 16);
//var codeBytes = new List<char>();
//if (b == 0x11 && b2 == 0x28)
//{
// sb.Append("<font color=\"red\">");
// font = true;
//}
//else
if (b == 0x11 && b2 == 0x2e)
{
sb.Append("<i>");
italics = true;
}
//foreach (char ch in code)
// codeBytes.Insert(0, ch);
//if (codeBytes[13] == '0' && codeBytes[14] == '0' && codeBytes[12] == '1' && codeBytes[6] == '1')
//{ // preamble address code
// if (code.Substring(11, 4) == "1000")
// {
// sb.Append("<font color=\"green\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0010")
// {
// sb.Append("<font color=\"blue\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0011")
// {
// sb.Append("<font color=\"cyan\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0100")
// {
// sb.Append("<font color=\"red\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0101")
// {
// sb.Append("<font color=\"yellow\">");
// font = true;
// }
// //else if (code.Substring(11, 4) == "0110")
// //{
// // sb.Append("<font color=\"magenta\">");
// // font = true;
// //}
//}
//else if (codeBytes[14] == '0' && codeBytes[13] == '0' && codeBytes[10] == '0' && codeBytes[9] == '0' && codeBytes[6] == '0' &&
// codeBytes[12] == '1' && codeBytes[8] == '1' && codeBytes[6] == '1')
//{ // midrow code
// if (code.Substring(11, 4) == "1000")
// {
// sb.Append("<font color=\"green\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0010")
// {
// sb.Append("<font color=\"blue\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0011")
// {
// sb.Append("<font color=\"cyan\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0100")
// {
// sb.Append("<font color=\"red\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0101")
// {
// sb.Append("<font color=\"yellow\">");
// font = true;
// }
// //else if (code.Substring(11, 4) == "0110")
// //{
// // sb.Append("<font color=\"magenta\">");
// // font = true;
// //}
//}
//else if ((codeBytes[14] == '0' && codeBytes[13] == '0' && codeBytes[9] == '0' && codeBytes[6] == '0' && codeBytes[4] == '0' &&
// codeBytes[12] == '1' && codeBytes[10] == '1' && codeBytes[5] == '1') || b == 0x11)
//{ // codeBytes[10] == 0 ???
// //control codes
// if (code.Substring(11, 4) == "0111" && buffer[k] == 0x11)
// {
// sb.Append("<i>");
// italics = true;
// }
// else if (code.Substring(11, 4) == "1000")
// {
// sb.Append("<font color=\"green\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0010")
// {
// sb.Append("<font color=\"blue\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0011")
// {
// sb.Append("<font color=\"cyan\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0100")
// {
// sb.Append("<font color=\"red\">");
// font = true;
// }
// else if (code.Substring(11, 4) == "0101")
// {
// sb.Append("<font color=\"yellow\">");
// font = true;
// }
// //else if (code.Substring(11, 4) == "0110")
// //{
// // sb.Append("<font color=\"magenta\">");
// // font = true;
// //}
//}
//else
//{
// if (code.Substring(11, 4) == "0111" && buffer[k] == 0x11)
// {
// sb.Append("<i>");
// italics = true;
// }
// else if (code.Substring(11, 4) == "0101" && b == 0x11)
// {
// sb.Append("<font color=\"yellow\">");
// font = true;
// }
//// if (code.Substring(11, 4) == "0111")
//// {
//// //System.Windows.Forms.MessageBox.Show(code);
//// sb.Append("<i>");
//// }
//// else if (code.Substring(11, 4) == "0101")
//// sb.Append("<font color=\"yellow\">");
//}
}
else if (b == 0x80)
{
//if (sb.Length == 0)
// break;
//if (sb.Length > 0 && !sb.ToString().EndsWith(Environment.NewLine))
//{
// if (font)
// sb.Append("</font>");
// if (italics)
// sb.Append("</i>");
// sb.AppendLine();
// font = false;
// italics = false;
//}
}
else
{
sb.Append(Encoding.GetEncoding(1252).GetString(buffer, k, 1));
}
}
p.Text = sb.ToString().Trim();
//if (font)
// p.Text += "</font>";
if (italics)
p.Text += "</i>";
p.Text = p.Text.Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine);
p.Text = p.Text.Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine);
p.Text = p.Text.Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine);
subtitle.Paragraphs.Add(p);
}
else if (last != null)
{
last.EndTime.TotalMilliseconds = p.StartTime.TotalMilliseconds;
}
last = p;
i += length + 3;
}
if (last != null)
{
Minor subtitle formats refact
2016-06-07 06:31:03 +02:00
if (Math.Abs(last.EndTime.TotalMilliseconds) < 0.001)
Some line endings to CRLF
2016-02-08 21:11:03 +01:00
last.EndTime.TotalMilliseconds = last.StartTime.TotalMilliseconds + 2500;
if (last.Duration.TotalMilliseconds > Configuration.Settings.General.SubtitleMaximumDisplayMilliseconds)
last.EndTime.TotalMilliseconds = last.StartTime.TotalMilliseconds + Utilities.GetOptimalDisplayMilliseconds(last.Text);
}
subtitle.Renumber();
}
public override List<string> AlternateExtensions
{
get
{
return new List<string>() { ".uld" }; // Ultech drop frame
}
}
}
}
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