Maximum Registry entry

Specify the maximum size of media that users are able to access in EMu. Size is either file size in kilobytes or, for images, width and height in pixels.

Note: This Registry entry replaces the Maximum Viewer Registry entry.

The Maximum Registry entry is used to restrict access to media above a specified size. Separate entries are available to control:

  • images
  • audio
  • video
  • documents

The Maximum Registry entry differs from the Images|Default Registry entry in several important ways:

  • The Maximum Registry entry sets a size limit on all types of media that can be accessed by a user / group, not just images.
  • The Images|Default Registry entry only specifies a maximum size of an image that a user / group accesses by default; it does not restrict them from accessing larger images.

When the Maximum Registry entry has been specified for a user / group, the affected media will not be accessible to the user / group either:

  • Using the Multimedia>Launch Viewer menu option - items greater in size than the maximum size specified will be greyed out and inaccessible

    -OR-

  • From the Resolutions tab of the Multimedia module - a warning message will display when a user attempts to view items that exceed the maximum size.

For the purposes of setting a maximum size, PDFs are treated as images, so long as an Images|Include Registry entry specifies PDF, e.g.:

System Setting Multimedia Images Include PDF;DNG

Usage

This Registry entry can be assigned to users, groups and system-wide:

Key User User User User User
Key 1 User User User User User
Key 2 user user user user user
Key 3 Setting Setting Setting Setting Setting
Key 4 Multimedia Multimedia Multimedia Multimedia Multimedia
Key 5 Audio Video Images Images Document
Key 6 Maximum Maximum Maximum Maximum Maximum
Value size size size width:height size
User user Setting Multimedia Audio

Maximum

size
User user Setting Multimedia Video

Maximum

size
User user Setting Multimedia Images

Maximum

size
User user Setting Multimedia Images

Maximum

width:height
User user Setting Multimedia Document

Maximum

size
Key Group Group Group Group Group
Key 1 Group Group Group Group Group
Key 2 group group group group group
Key 3 Setting Setting Setting Setting Setting
Key 4 Multimedia Multimedia Multimedia Multimedia Multimedia
Key 5 Audio Video Images Images Document
Key 6 Maximum Maximum Maximum Maximum Maximum
Value size size size width:height size
Group group Setting Multimedia Audio Maximum size
Group group Setting Multimedia Video Maximum size
Group group Setting Multimedia Images Maximum size
Group group Setting Multimedia Images Maximum width:height
Group group Setting Multimedia Document Maximum size
Key System System System System System
Key 1 System System System System System
Key 2 Setting Setting Setting Setting Setting
Key 3 Multimedia Multimedia Multimedia Multimedia Multimedia
Key 4 Audio Video Images Images Document
Key 5 Maximum Maximum Maximum Maximum Maximum
Value size size size width:height size
System Setting Multimedia Audio Maximum size
System Setting Multimedia Video Maximum size
System Setting Multimedia Images Maximum size
System Setting Multimedia Images Maximum width:height
System Setting Multimedia Document Maximum size

where:

size

is the maximum size in kilobytes (Kb) of the media file that can be accessed.

Note: A value of 0 is a special case and indicates unlimited size.

-OR-

width:height

are the maximum width and height of an image in pixels that may be accessed.

Note: A value of 0:0 is a special case and indicates unlimited size.

Example

This entry specifies that the maximum size of images that can be accessed is 1 Mb (1024 Kb) :

Key Setting
Key 1 System
Key 2 Setting
Key 3 Multimedia
Key 4 Images
Key 5 Maximum
Value 1024

Tip: This entry will affect both images and PDFs.