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User manual VBrick Systems, model MPEG-2

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RTSP@ISMA_SDP_FILE:///wfs/mpg/currentmp4.sdp See Local-Fullscreen Mode with MPEG-4 Multicast for information on how to FTP the SDP file to the set top box. Unicast MPEG-1 RTSP@UNICAST_MPEG1://#dataPort= Unicast MPEG-2 RTSP@UNICAST_MPEG2_TRANSPORT://#dataPort= RTSP MPEG-1 for Video on Demand (EtherneTV NXG only) RTSP@KASENNA_MPEG1:///program RTSP MPEG-2 for Video on Demand (EtherneTV NXG only) RTSP@KASENNA_MPEG2_TRANSPORT:///program RTSP MPEG-1 for Video on Demand (EtherneTV VoD-W only) RTSP@INFOVALUE_MPEG1:///program RTSP MPEG-2 for Video on Demand (EtherneTV VoD-W only) RTSP@INFOVALUE_MPEG2_TRANSPORT:/// program RTSP MPEG-4 Internet Streaming Media Alliance (ISMA) (Live or VoD)( RTSP@ISMA:///program (e.g. RTSP@ISMA://172.22.117.2/vbrickvideo1 --or-RTSP@ ISMA://172.22.119.119/Complete-Movies/ enterprogramname) Video can be streamed over UDP or TCP. See RTSP Streaming on page 13 for options. Local-Fullscreen Mode with MPEG-4 Multicast Note If necessary you can FTP the SDP file to the set top box as described here. However the recommended method is to retrieve the SDP file via HTTP. To decode multicast MPEG-4 in Local-Fullscreen mode, you can put an SDP file on the set top box using the set top box internal FTP server as shown in the sample FTP session below. • To decode multicast MPEG-4: 1. First, obtain an SDP file for the MPEG-4 multicast stream. When streaming from an MPEG-4 encoder, see the VB4000-5000-6000 Administrator Guide for information about SDP files. 2. Use an FTP client to place the SDP file on the set top box. A sample FTP session to use an set top box with the IP address of 172.22.117.70 is shown below. (Server prompts are shown in bold.) STB Admin Guide C:\> ftp 172.22.117.70 User (172.22.117.70:(none)): root 331 Password required for root. Password: admin 230 User root logged in ftp> bin 200 Type set to I. ftp> cd wfs/mpg 250 CWD command successful. ftp> put vbs1d1.sdp 200 PORT command successful. 150 Opening BINARY mode data connection for vbs1d1.sdp 226 Transfer complete. ftp: 739 bytes sent in 0.12 Seconds ftp> bye Local UI Location Local UI Location When the start mode is configured for Local, the STB will allow static listings and previews of multiple channels on the network. You can use this setting to create a custom user interface. When the Start Mode is configured for Local, the STB will display static listings and previews of multiple channels on the network. These listing are configured in an xml file. The xml file must be modified for each network installation so that IP addresses, port numbers, encoder types and program listings correspond to actual network settings. This file is edited for local mode installations only and does not apply when operating in MCS or Local-Full Screen mode. For detailed examples of how to edit the xml file, go to XML Configuration Examples on page 23. Home Page Location/Home Page Enable Home Page This parameter determines the location of the home page that is Location/Enable displayed when the WWW button is pressed on the IR remote control. When this option is disabled, the Home page will not be loaded when the WWW button is selected. Main Volume/Line 1 Volume In MCS mode, when the volume has been manually turned down using the remote (and the configured audio level is significantly higher), there will be a brief burst of higher volume when switching views between preview and full screen. Reduce the configured audio level to avoid abrupt changes in volume. Main and Line 1 These parameters determine the initial volume level the STB will Volume provide to the TV or monitor. Set both to same value. The volume can be changed using the IR remote control but will revert to the configured values at start-up. EtherneTV Media Distribution System Configuration RTSP Streaming RTSP Streaming MPEG-4 streams in Local-Fullscreen mode only. Choose the protocol for RTSP streaming. If the source is a video-on-demand server, you must choose UDP. • UDP – MPEG-4 RTSP streams will be sent over UDP. • Interleaved (TCP) – MPEG-4 RTSP streams will be sent over TCP on the RTSP port. (Also called "RTSP Interleaved".) • Automatic – An attempt will be made to play the stream over UDP. If this fails, TCP will be used. Data Buffering Seconds Data Buffering MPEG-4 only. This setting will allow more data to be saved before it is Seconds displayed. This can be used in networks where there is a high amount of delay variation or congestion in the network backbone, and will 'smooth out' video when the network has not been optimized. This parameter should generally be left at the default value. Buffer Check for Underflow Buffer Check for If checked yes, a periodic check for buffer underflow will be made Underflow. using the value in Lowest Bitrate for Buffer Check as a cutoff. Setting a small value for Lowest Bitrate may result in disruption to low bitrate MPEG-4 streams. This parameter should generally be left at the default value. ...