501 lines
6.5 KiB
HTML
501 lines
6.5 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>
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Stream with the Hauppauge WinTV-PVR-250 card
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</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="VideoLAN HOWTO"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="
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Stream from an MPEG encoding card
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"
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HREF="hardencoding.html"><LINK
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REL="PREVIOUS"
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TITLE="
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Stream from an MPEG encoding card
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"
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HREF="hardencoding.html"><LINK
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REL="NEXT"
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TITLE="
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Stream with the Visiontech Kfir card
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"
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HREF="x932.html"></HEAD
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><BODY
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CLASS="sect1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>VideoLAN HOWTO</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="hardencoding.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 7. Stream from an MPEG encoding card</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="x932.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="AEN867"
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></A
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>7.1. Stream with the Hauppauge WinTV-PVR-250 card</H1
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><DIV
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CLASS="sect2"
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><H2
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CLASS="sect2"
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><A
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NAME="AEN869"
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></A
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>7.1.1. Install the drivers</H2
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><P
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> First, you will have to patch your kernel to support
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the v4l2 API (Video 4 Linux version 2). The patch is available on the
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<A
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HREF="http://bytesex.org/v4l/"
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TARGET="_top"
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>Video4Linux HQ</A
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>
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.</P
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><P
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> Once your kernel is ready, install the CVS version
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of the Linux drivers for the Hauppauge WinTV-PVR-250. They are hosted on
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<A
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HREF="http://ivtv.sourceforge.net/"
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TARGET="_top"
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>ivtv.sourceforge.net</A
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>.
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Then, you will have to create the device and load the modules; for this,
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please refer to the documentation shipped with the drivers
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.</P
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></DIV
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><DIV
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CLASS="sect2"
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><H2
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CLASS="sect2"
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><A
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NAME="AEN875"
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></A
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>7.1.2. Stream with VLC</H2
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><DIV
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CLASS="note"
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><P
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></P
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><TABLE
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CLASS="note"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/note.gif"
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HSPACE="5"
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ALT="Note"></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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> You must add <B
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CLASS="command"
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>--enable-pvr</B
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>
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to <B
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CLASS="command"
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>./configure</B
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> to use this
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feature. You may want to change the value of
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<EM
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>CR_MAX_AVERAGE_COUNTER</EM
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> to <EM
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>1000</EM
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>
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in <TT
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CLASS="filename"
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>src/input/input_clock.c</TT
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> to work around a problem
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with the card
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.</P
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></TD
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></TR
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></TABLE
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></DIV
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="screen"
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> <TT
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CLASS="prompt"
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>% </TT
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><TT
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CLASS="userinput"
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><B
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>vlc -vvv pvr:/dev/video0:norm=secam:size=720x576:frequency=576250:
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bitrate=3000000:maxbitrate=4000000 --sout udp:192.168.0.42 --ttl 12</B
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></TT
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>
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>where
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:</P
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><P
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></P
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><UL
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><LI
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><P
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><EM
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>/dev/video0</EM
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>
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is the device corresponding to the encoding card
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,</P
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></LI
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><LI
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><P
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><EM
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>norm=secam</EM
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>
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is name of the standard of the analogic signal
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(possible values are pal, secam, and ntsc)
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,</P
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></LI
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><LI
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><P
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><EM
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>size=720x576</EM
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>
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is the size of the video you want to stream
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,</P
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></LI
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><LI
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><P
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><EM
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>frequency=567250</EM
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>
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is the frequency in kHz of the channel you want to
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stream
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,</P
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></LI
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><LI
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><P
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><EM
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>bitrate=3000000</EM
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>
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is the average bitrate of the stream
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,</P
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></LI
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><LI
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><P
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><EM
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>maxbitrate=4000000</EM
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>
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is the maximum bitrate of the stream
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,</P
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></LI
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><LI
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><P
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><EM
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>192.168.0.42</EM
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>
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is either
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:</P
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><P
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></P
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><UL
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><LI
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><P
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> the IP address of the machine you want to unicast
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to
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;</P
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></LI
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><LI
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><P
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> or the DNS name the machine you want to unicast
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to
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;</P
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></LI
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><LI
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><P
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> or a multicast IP address
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.</P
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></LI
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></UL
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></LI
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><LI
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><P
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><EM
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>12</EM
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>
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is the value of the TTL (Time To
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Live) of your IP packets (which means that the stream will be
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able to cross 11 routers)
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.</P
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></LI
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></UL
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></DIV
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><DIV
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CLASS="sect2"
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><H2
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CLASS="sect2"
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><A
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NAME="AEN920"
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></A
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>7.1.3. Stream with VLS</H2
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><P
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> There is no command line interface for this input
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for the moment, so you will have to use the configuration file
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.</P
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><P
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> You cannot set-up the parameters of the drivers
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(norm, size, frequency, bitrate, etc...) with VLS: for that, you will
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have to use the program <B
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CLASS="command"
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>ptune.pl</B
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> that come with the
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drivers. Please refer to the documentation shipped with the drivers to
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learn how to use this program
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.</P
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><P
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> Here is a typical configuration file
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<TT
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CLASS="filename"
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>vls.cfg</TT
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>to run VLS with a Hauppauge WinTV-PVR-250
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encoding card
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:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="programlisting"
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> # vls.cfg (VLS configuration file)
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# Example of the VideoLAN HOWTO for the Hauppauge WinTV-PVR-250 encoding card
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BEGIN "Inputs"
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pvr = "video"
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END
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BEGIN "pvr"
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# Hauppauge WinTV-PVR-250 device
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Device = "/dev/video0"
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# Stream type
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Type = "Mpeg2-PS"
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END
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BEGIN "Channels"
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channel1 = "network"
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END
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BEGIN "channel1"
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# Unicast or multicast IP address
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DstHost = "192.168.0.42"
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# Destination port
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DstPort = "1234"
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# If it's a multicast IP address, uncomment the line below
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#Type = "multicast"
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# If it's a multicast IP address, set the "Time To Live" below
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#TTL = "12"
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END
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BEGIN "LaunchOnStartUp"
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command1 = "start video channel1 pvr"
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END
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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> Once you have adapted the configuration file above,
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run VLS
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:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="screen"
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> <TT
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CLASS="prompt"
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>% </TT
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><TT
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CLASS="userinput"
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><B
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>vls -vv -f vls.cfg</B
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></TT
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>
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="hardencoding.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
|
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="x932.html"
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ACCESSKEY="N"
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>Next</A
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></TD
|
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></TR
|
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><TR
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><TD
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
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>Stream from an MPEG encoding card</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
|
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><A
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HREF="hardencoding.html"
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ACCESSKEY="U"
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>Up</A
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></TD
|
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>Stream with the Visiontech Kfir card</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |