C++ (Cpp) MXFFilePtr::ReadObjectの例

コード例 #1

ファイル: partition.cpp プロジェクト: MOXfiles/mxflib

//! Read any index table segments from a file
MDObjectListPtr mxflib::Partition::ReadIndex(MXFFilePtr File, UInt64 Size)
{
	MDObjectListPtr Ret = new MDObjectList;

	while(Size)
	{
		UInt64 Location = File->Tell();
		UInt64 Bytes;

		MDObjectPtr NewIndex = File->ReadObject(NULL);
		if(NewIndex)
		{
			if((NewIndex->Name() == "IndexTableSegment") || (NewIndex->Name() == "V10IndexTableSegment"))
			{
				Ret->push_back(NewIndex);
				Bytes = File->Tell() - Location;
			}
			else if( NewIndex->IsA(KLVFill_UL) )
			{
				// Skip over the filler
				Bytes = File->Tell() - Location;
			}
			else
			{
				error("Expected to find an IndexTableSegment - found %s at %s\n", 
					  NewIndex->FullName().c_str(), NewIndex->GetSourceLocation().c_str());
				break;
			}
		}
		else
		{
			error("Error reading IndexTableSegment at 0x%s in %s\n", 
				   Int64toHexString(Location,8).c_str(), File->Name.c_str());
			break;
		}

		if(Bytes > Size) break;

		Size -= Bytes;
	}

	return Ret;
}