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Inspired XPress - Programming Guide
Getting Feedback On the Playback Progress
It is possible to activate optional reports that will be sent periodically via shared variables. To do so, open the Optional
reports property group and set the Send updates property to “on” (FIG. 53).
You can control the periodicity of the updates as well as the name of the variables that receive them. Feedback is sent by
default via the following shared variables:
playbackProgress: Relative progress as a percentage of the media duration
playbackTimePosition: Absolute time position
playbackMediaDuration: Reports the duration of the media
For more information on how to access the content of these variable over the network, refer to Shared Variables on
page 85.
Knowing the Current Position With Extra Accuracy
The IS-SPX Player is precisely synchronized. This feature is used to generate multiscreen content, as it lets you easily
infer the time position of the controlled media. The time position is known with better than one-frame precision based on
the difference between the time you send the PLAY command and the current time.
In order to use the play/pause command with time position, you need to infer the current position as well as when to send
the pause command. You can simply copy it from the current value of the playback variable when sending a play
command to resume playback.
FIG. 53 Optional Reports properties
If the controlled media is set to loop, the progress percentage resets to zero when the
media loops, while the absolute time position does not.
Make sure that all IS-SPX Players in a network are configured with an NTP time
server so they synchronize with UTC.