pCODECIniFileinfo (PCODECINIFILEINFO) - input

      Pointer to the CODECINIFILEINFO data structure containing the CODEC information. Only the fcc, ulCompressType, ulCompressSubType, szHWID, and ulCapsFlags fields of the structure are used to identify a CODEC procedure.

    pszCODECName (PSZ) - output

      Pointer to the CODEC name. The function fills in the CODEC name associated with the specified CODEC procedure, up to pulBytesRead bytes. Make sure the buffer is at least one byte long.

    pulBytesRead (PULONG) - in/out

      On input, specifies the size in bytes of the pszCODECName. On output, returns the number of bytes read into the pszCODECName.

    rc (ULONG) - returns

      Return codes.

      MMIO_SUCCESS

        If the function succeeds, 0 is returned.
      MMIO_ERROR
        The function failed for a reason different from any of the returns in this list.
      MMIO_INVALID_PARAMETER
        An invalid parameter was passed.

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