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10 © 2008 VBrick Systems, Inc.
MBR Output Settings
The three concurrent video encoders all use the same video input. The following table shows
the configuration output settings that are shared between all video encoders, and the output
settings that can be configured independently for each one. See Configuration: Encoder >
Video on page 24 for more details.
Table 5. Video Rate Settings
The following table shows configuration output settings that are shared between all audio
encoders, and the output settings that can be configured independently for each one. See
Configuration: Encoder > Audio
on page 32 for more details.
HTTP/RTSP
Unicast
Unicast streams are provided via the VBrick internal server. In order to use
this feature, you first create up to three groups, each of which consists of an
audio stream at a selected rate and video stream at a selected rate, and
optionally closed captioning and metadata. Some or all of these groups are
Enabled on the Configuration: Encoder > Server page. The end-user client
then determines whether to pull a specific group from the server or to
negotiate with the server in order to pull the best quality stream based on
available network bandwidth. To allow the player/server negotiation, you can
open a Windows Media Player and enter the
HTTP URL shown on the Server
page, for example
http://172.22.173.10:8080/vbrickvideo1. Alternately,
you can request a specific group by appending a known group number, for
example
http://172.22.173.10:8080/vbrickvideo1/group1.
Note The WM appliance reflector feature does not currently support multiple bit rates. If the
source of a push/pull to a reflector contains multiple video and/or audio streams, the
reflector will reflect the entire stream with all video and audio included. This is only
useful if there is a Microsoft Windows Media Server downstream from the reflector.
Shared Video Settings Independent Video Settings
•Video Format
•Video Input Type
• Video Source
• Closed Caption
• Inserted CC Update Rate
• Inserted CC text
•Inserted CC Row
•Luminance
• Contrast
• Saturation
•Hue
• Meta Data Enable
• Metadata String
•Resolution
•Rate Control Method
• Target Bit Rate
•Target Frame Rate
•Key Frame Interval
• Smoothness
• Picture Center Quality Difference
• Buffer size
Output Description