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TANDBERG Content Server User Manual
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4.4.7.8 Still Image
Use this writer if you want to extract still images from the extended video (H.239) stream for low-
bandwidth streaming. This writer can only be used in a template which specifies dual video.
One writer only is supported.
Still images of extended H.239 video are extracted at a specified interval:
Specified interval recommended minimum 10sec
Specified interval recommended maximum 60sec
4.4.8 Template creation tips
4.4.8.1 PIP
For a Picture in Picture layout choose the following in the Writer Information:
Profile filename – choose profile with (with SVGA, VGA or XGA, with PIP)
Source = Extended (H.239) video
Select PIP checkbox
To specify PIP location, select the required location from the dropdown menu
4.4.8.2 H.239 or Dual Stream
For H.239 (Dual Stream) video output choose the following in the Writer Information:
Normal video: writer with source normal
Extended video: writer with source extended
Profile with SVGA, VGA or XGA in the profile name, but not PIP
If still images required from extended video (for bandwidth under 384K), add Still image
writer
4.4.9 Using the Multicast Templates
If you intend to deliver your live streaming content as a multicast stream you will need to modify
one of the system Multicast templates and then use the Windows Media Services Multicast
Announcement Wizard to create an announcement. The announcement is a Windows Media
metafile that provides the player with the information required to receive the streaming content.