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: EndOfDisplaySet = new EndOfDisplaySetSegment(buffer, index + 6); break; default: System.Console.WriteLine("unkown"); 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; } }