public CaptionText(byte[] buffer, int index, string languageCode)
{
DataGroupId = (byte)(buffer[index] >> 2);
DataGroupVersion = (byte)(buffer[index] & 0b00000011);
DataGroupLinkNumber = buffer[index + 1];
LastDataGroupLinkNumber = buffer[index + 2];
DataGroupSize = (buffer[index + 3] << 8) + buffer[index + 4];
DataUnitLoopLength = (buffer[index + 12] << 16) + (buffer[index + 13] << 8) + buffer[index + 14];
CaptionTextUnits = new List <CaptionTextUnit>(1);
var unitIndex = index + 15;
int end = unitIndex + DataUnitLoopLength;
while (unitIndex < end)
{
var unit = new CaptionTextUnit();
unit.UnitSeparator = buffer[unitIndex++];
unit.DataUnitParameter = buffer[unitIndex++];
unit.DataUnitSize = (buffer[unitIndex++] << 16) + (buffer[unitIndex++] << 8) + buffer[unitIndex++];
unit.AribText = new AribText(buffer, unitIndex, languageCode, unit.DataUnitSize);
unitIndex += unit.DataUnitSize;
if (unit.UnitSeparator == 0x1f && unit.DataUnitParameter == 0x20 && unit.AribText.Texts.Count > 0) // DataUnitParameter 0x20=Text, 0x35=Bitmap data
{
CaptionTextUnits.Add(unit);
}
}
}
public CaptionText(byte[] buffer, int index, string languageCode)
{
DataGroupId = (byte)(buffer[index] >> 2);
DataGroupVersion = (byte)(buffer[index] & VobSub.Helper.B00000011);
DataGroupLinkNumber = buffer[index + 1];
LastDataGroupLinkNumber = buffer[index + 2];
DataGroupSize = (buffer[index + 3] << 8) + buffer[index + 4];
DataUnitLoopLength = (buffer[index + 12] << 16) + (buffer[index + 13] << 8) + buffer[index + 14];
CaptionTextUnits = new List<CaptionTextUnit>(1);
var unitIndex = index + 15;
int end = unitIndex + DataUnitLoopLength;
while (unitIndex < end)
{
var unit = new CaptionTextUnit();
unit.UnitSeparator = buffer[unitIndex++];
unit.DataUnitParameter = buffer[unitIndex++];
unit.DataUnitSize = (buffer[unitIndex++] << 16) + (buffer[unitIndex++] << 8) + buffer[unitIndex++];
unit.AribText = new AribText(buffer, unitIndex, languageCode, unit.DataUnitSize);
unitIndex += unit.DataUnitSize;
if (unit.UnitSeparator == 0x1f && unit.DataUnitParameter == 0x20 && unit.AribText.Texts.Count > 0) // DataUnitParameter 0x20=Text, 0x35=Bitmap data
{
CaptionTextUnits.Add(unit);
}
}
}
