Extract Metadata for Stream Filtering

To extract metadata for stream filtering

  1. Call fpOpenStream() or fpOpenStreamEx2() to open a stream.
  2. Call fpFilterStream() to filter the stream.
  3. Call fpCloseStream() to close the input stream.
  4. Declare a pointer to the KVSummaryInfoEx structure.
  5. Call fpGetOLESummaryInfo() to extract the metadata.
  6. Call fpFreeOLESummaryInfo() to free the memory allocated for metadata extraction.