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Synchronizing Content
3. SYNCHRONIZING CONTENT
After designating a master fixture, you can synchronize the content of other DML-1200 w/Axon, Axon, DL.3, or DL.2 media servers
to any Graphic Object on the master in terms of playback time, rotation or both.
3.1 Network Synchronization Overview
Network Synchronization allows for certain functions of Barco digital lighting media servers to be synchronized over an Ethernet
network. This can be extremely useful in situations such as using the Collage Generator to ensure a seamless image with multiple
media servers.
Network Synchronization is done using a reference
output to the other fixtures on the network through Ethernet packets. The other servers, or
set their playback and effects timing the same as the
Network Synchronization is not slaving. With slaving, the master fixture's DMX values for synchronized functions would override
the DMX values in the slave servers. When you use Network Synchronization, the appropriate DMX channels for all the
master
fixtures and the
3.2 Network Synchronization Requirements
In order for Network Synchronization to function properly, there are a few requirements that must be adhered to in the set-up of
the fixtures:
• All of the servers must be linked on an Ethernet network. This network can be set up with Auto-IP addresses or DHCP addresses.
• The Fixture ID for each media server in the network must be unique. The Fixture ID is used to assign the
servers and having multiple media servers with the same ID will cause the Synchronization information being sent over the
network to be processed incorrectly.
• A fixture ID default of 1 is assigned to every DL.3, DL.2, Axon, and DML-1200 w/Axon server on your Ethernet fixture network.
For synchronization to work, you will need to assign each server a Unique Fixture ID from 1 to 255 using the CMA (see
DML-1200 w/Axon Media Server Configuration Options
• All video content to be used in a Synchronization scenario MUST adhere to the High End Systems requirements for encoding
custom content for media servers. If the content is not encoded correctly, not only will the Network Synchronization not
function, but other problems with video playback (such as stuttering or jumping in the clips) can occur.
3.3 Network Synchronization Capabilities
As currently implemented, it is possible to synchronize movie playback as well as certain graphics effects.
Movie Playback Synchronization ensures that movie playback between multiple servers stays Synchronized for either collage
applications or where multiple servers are playing the same movie clip on different projection surfaces. It is especially useful for
long movie clips and will solve the problems of frame drift that can be associated with media server playback.
Certain effects in the graphics engine can also be synchronized between servers. Effects such as the ripple effects, object
wobbulation, or color cycle effects need to be synchronized between servers to appear correctly in Collage usage scenarios.
3.4 Programming Synchronization
To program synchronization, first start by deciding which fixture/server will be the master server. This can be any server on the
link. However, in a case of mixed computer hardware in the servers, the oldest server should be chosen as the master. This will
ensure that all of the servers have the ability to playback content as well as the master server.
3.4.1
Sync To Parameter
Once you have chosen your master server, the Sync To parameter must be set on all of the slave servers. This parameter is found
on the first Graphic Layer of each server. The Sync To parameter is set to a value equal to the Fixture ID of your master server. For
example, if your master server has a fixture ID of "3", all of the slave servers should have their Sync To parameter on Graphic
Layer 1 set to "3".
The Sync To parameter is found on each of the Graphic Objects on the server, However, only the Sync To
parameter for Graphic Object 1 has any effect. Servers can only sync to one other server, so you cannot have
different servers chosen using the Sync to parameter on different graphic graphic object of the same server. If
values are set in the Sync To parameter of Graphic Object 2–9, they will be ignored.
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35
master
fixture must be set to the same values.
server that sends certain information about its current playback and
master
server.
on page 116).
DML-1200 w/Axon Embedded Graphic Engine 24/12/2010
slave
servers use this information to
slave
master
slave
and
Axon and
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