public static void ToStream(Stream writer, SubtitleSectionText section, bool useDouble)
{
var textBuffer = new byte[0];
if (section.Text != null)
{
textBuffer = TextTable.GetBytes(section.Text, useDouble);
}
int length = textBuffer.Length;
if ((length & 3) != 0)
{
length = (length & ~3) + 4;
}
writer.Write(section.Start);
writer.Write(section.End);
writer.Write(section.Unknown1);
writer.Write((ushort)(length + 0x10));
writer.Write(section.Unknown2);
writer.Write(textBuffer);
writer.WriteOffset(4);
}
public static void ToStream(Stream writer, SubtitleSection section)
{
byte[] rawText = null;
using (var content = new MemoryStream())
{
foreach (var text in section.Texts)
{
SubtitleSectionText.ToStream(content, text, section.LanguageID == 7);
}
rawText = content.ToArray();
}
writer.WriteBE(section.LanguageID);
writer.WriteBE(section.StreamID);
if (section.LanguageID == 1 || section.LanguageID == 7)
{
var total = 16 + rawText.Length + 4 + 4 + section.FontData?.Length ?? 0;
total = ((total + 16 - 1) / 16) * 16;
writer.WriteBE(total);
writer.WriteBE(section.BaseTime);
writer.Write(0u);
writer.Write((uint)rawText.Length);
writer.Write(rawText);
//if (section.LanguageID == 7)
{
if (section.FontData == null)
{
writer.Write(0);
}
else
{
writer.Write(section.FontData.Length);
writer.Write(section.FontData);
}
}
writer.WriteOffset(16);
}
else
{
writer.WriteBE(section.Length);
writer.WriteBE(section.BaseTime);
writer.Write(section.RawData);
}
}
public new static SubtitleSection FromStream(Stream reader)
{
var section = new SubtitleSection();
var basePosition = reader.Position;
section.Offset = reader.Position;
section.LanguageID = reader.ReadUInt16BE();
section.StreamID = reader.ReadUInt16BE();
section.Length = reader.ReadUInt32BE();
section.BaseTime = reader.ReadUInt32BE();
var endPosition = basePosition + section.Length;
if (section.LanguageID == 1 || section.LanguageID == 7)
{
var dummy = reader.ReadUInt32();
Debug.Assert(dummy == 0);
var dataLength = reader.ReadUInt32();
var textStart = reader.Position;
while (reader.Position < textStart + dataLength)
{
var text = SubtitleSectionText.FromStream(reader);
section.Texts.Add(text);
}
Debug.Assert(reader.Position == textStart + dataLength);
var fontLength = reader.ReadUInt32();
section.FontData = reader.ReadBytes((int)fontLength);
if (endPosition != reader.Position)
{
var rem = reader.ReadBytes((int)(endPosition - reader.Position));
Debug.Assert(rem.Count(x => x == 0) == rem.Length);
}
Debug.Assert(endPosition % 0x10 == 0);
reader.Seek(endPosition, SeekOrigin.Begin);
}
else
{
section.RawData = reader.ReadBytes((int)(endPosition - reader.Position));
}
return(section);
}
public static SubtitleSectionText FromStream(Stream reader)
{
var section = new SubtitleSectionText();
section.Start = reader.ReadUInt32();
section.End = reader.ReadUInt32();
section.Unknown1 = reader.ReadUInt32();
section.Length = reader.ReadUInt16();
Debug.Assert(section.Length % 4 == 0);
section.Unknown2 = reader.ReadUInt16();
byte[] textBuffer = new byte[section.Length - 0x10];
reader.Read(textBuffer, 0, textBuffer.Length);
section.Text = TextTable.GetString(textBuffer);
return(section);
}
