public SubtitleSegment(byte[] buffer, int index)
{
if (buffer == null || buffer.Length < 7)
{
return;
}
SyncByte = buffer[index];
SegmentType = buffer[index + 1];
PageId = Helper.GetEndianWord(buffer, index + 2);
SegmentLength = Helper.GetEndianWord(buffer, index + 4);
if (buffer.Length - 6 < SegmentLength)
{
return;
}
if (index + 6 + SegmentLength > buffer.Length)
{
return;
}
IsValid = true;
switch (SegmentType)
{
case PageCompositionSegment:
PageComposition = new PageCompositionSegment(buffer, index + 6, SegmentLength - 2);
break;
case RegionCompositionSegment:
RegionComposition = new RegionCompositionSegment(buffer, index + 6, SegmentLength - 10);
break;
case ClutDefinitionSegment:
ClutDefinition = new ClutDefinitionSegment(buffer, index + 6, SegmentLength);
break;
case ObjectDataSegment:
ObjectData = new ObjectDataSegment(buffer, index + 6);
break;
case DisplayDefinitionSegment:
DisplayDefinition = new DisplayDefinitionSegment(buffer, index + 6);
break;
case EndOfDisplaySetSegment:
break;
}
}
public SubtitleSegment(byte[] buffer, int index)
{
if (buffer == null || buffer.Length < 7)
return;
SyncByte = buffer[index];
SegmentType = buffer[index + 1];
PageId = Helper.GetEndianWord(buffer, index + 2);
SegmentLength = Helper.GetEndianWord(buffer, index + 4);
if (buffer.Length - 6 < SegmentLength)
return;
if (index + 6 + SegmentLength > buffer.Length)
return;
IsValid = true;
switch (SegmentType)
{
case PageCompositionSegment:
PageComposition = new PageCompositionSegment(buffer, index + 6, SegmentLength-2);
break;
case RegionCompositionSegment:
RegionComposition = new RegionCompositionSegment(buffer, index + 6, SegmentLength-10);
break;
case ClutDefinitionSegment:
ClutDefinition = new ClutDefinitionSegment(buffer, index + 6, SegmentLength);
break;
case ObjectDataSegment:
ObjectData = new ObjectDataSegment(buffer, index + 6);
break;
case DisplayDefinitionSegment:
DisplayDefinition = new DisplayDefinitionSegment(buffer, index + 6);
break;
case EndOfDisplaySetSegment:
break;
}
}