Managing the Encoder
Configuring Streaming Outputs
Makito
X User’s Guide, v2.2, Issue 02
131
16.
To view streaming statistics, click
Statistics
NOTE
The Multicast address range is from
224.0.0.0
to
239.255.255.255
. Multicast
addresses from
224.0.0.0
to
224.0.0.255
are reserved for multicast maintenance
protocols and should not be used by streaming sessions. We recommend that you use a
multicast address from the Organization-Local scope (
239.192.0.0/14
).
17.
To return to List View, click
O
UTPUTS
from the sidebar menu.
Session Announcement Protocol (SAP)
You can also enable or disable SAP network announcements. Session Announcement
Protocol (SAP) is a protocol for advertising multicast or unicast session information. SAP
periodically multicasts session description information on an industry standard multicast
address and port. When received by remote participants, these announcements can be used
to generate playlists and facilitate the viewing of streams by eliminating the need for user
configuration. For example, they may be used to automatically create program listings to
allow streams to easily be located, selected and viewed.
You can also specify the address and port to transmit SAP announcements on a stream-by-
stream basis. This is useful if you do not want to multicast SAP announcements on the
standard IP addresses and ports (as defined in RFC 2974). See
Selective Video Mute
Pausing and then resuming a stream allows you to selectively and temporarily “mute” the
video. For example, if you are streaming the same content multiple times to different audi-
ences, you can choose to mute one or some of the streams (i.e., by pausing them). If a still
image has been configured, the encoder will send this image to replace the encoded video
stream when the stream is paused. (See
“Configuring Still Image Streaming”
When the video is “unmuted” (i.e., resumed), the decoder will immediately display the
video stream again. In effect, this provides a “privacy mode” and avoids delays that may
occur when starting and stopping a stream and waiting for a decoder to start decoding again.
In order to support inter-working with the Furnace, the encoder inserts coded silence when
a stream is paused to ensure that (for example, if there is a channel change), the still image
will be displayed on Stingray set-top boxes and InStream players. (Note that these players
need audio before they play any content.) No user selections are required to enable this
feature.
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