Configure the encoder to transmit script commands that signal
the start of an advertising break.
Based on the connection speed of your clients, determine the
pre-buffering time necessary to transition smoothly to the
replacement advertisement.
Configure the encoder to transmit a CUE_EVENT script
command before the advertising break.
Configure the encoder to transmit a Fire_Event script
command at the beginning of the advertising break.
Create a playlist that alternates between primary and secondary
digital media sources according to script commands received from
the encoder.
Open the Windows Media Playlist Editor.
Click the smil element.
On the toolbar, click the Add Element arrow, and then
click Exclusive.
An excl element is added to the playlist under the
smil element.
Click the excl element.
On the toolbar, click the Add Element arrow, and then
click PriorityClass.
8A priorityClass element is added to the playlist under
the excl element.
Click the priorityClass element, and then in
peers, type pause.
On the toolbar, click Add Element.
The Add Media Elements dialog box opens.
Specify the name and location of the encoder. Repeat this step
and specify the name and location of the alternate advertising
source. Repeat this step again for any additional sources of
advertising.
On the toolbar, click the Save playlist button.
Specify the name and location of the playlist file. The
playlist file must use a .wsx file name extension.
Create or edit a publishing point that uses the playlist you
created in the previous section as its content source.
Start the encoder and begin streaming your live broadcast.
Check that the replacement advertisement transitions are smooth and
timed correctly. If the player needs more pre-buffering time to
avoid gaps and overlap, make the appropriate changes in the encoder
configuration.
