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A generic data handling object
| inline DataNode (const char* format = 0)
| DataNode |
Construct a DataNode
Parameters:
| format | Description of the data format, default none |
| int costFormat (const DataFormat& format)
| costFormat |
[virtual]
Get the computing cost of converting the data to the format asked
Parameters:
| format | Name of the format to check for |
Returns: -1 if unsupported, 0 for native format else cost in KIPS
| bool setFormat (const DataFormat& format)
| setFormat |
[virtual]
Change the format used to transfer data
Parameters:
| format | Name of the format to set for data |
Returns: True if the format changed successfully, false if not changed
| inline const DataFormat& getFormat ()
| getFormat |
[const]
Get the description of the format currently in use
Returns: Pointer to the data format
| inline unsigned long timeStamp ()
| timeStamp |
[const]
Get the current position in the data stream
Returns: Timestamp of current data position
| inline unsigned long invalidStamp ()
| invalidStamp |
[static]
Get the internal representation of an invalid or unknown timestamp
Returns: Invalid timestamp - unsigned long conversion of -1
| DataFormat m_format | m_format |
[protected]
| unsigned long m_timestamp | m_timestamp |
[protected]
| Generated by: root on dragoshel on Fri Aug 24 11:49:48 2007, using kdoc 2.0a54. |