341 lines
4.9 KiB
HTML
341 lines
4.9 KiB
HTML
<HTML
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><HEAD
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><TITLE
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> Stream with VLS
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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 acquisition card or a webcam
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"
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HREF="softencoding.html"><LINK
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REL="PREVIOUS"
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TITLE="
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Stream with VLC
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"
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HREF="x988.html"><LINK
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REL="NEXT"
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TITLE="
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Advanced use of VLC's stream output
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(transcoding, multiple streaming, etc...)
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"
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HREF="usesout.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="x988.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 8. Stream from an acquisition card or a webcam</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="usesout.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="AEN1074"
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></A
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>8.3. Stream with VLS</H1
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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 need the CVS version of VLS. When you
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compile it, you must do a <B
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CLASS="command"
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>./bootstrap</B
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> and
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<B
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CLASS="command"
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>./configure --enable-v4l
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--with-ffmpeg=PATH</B
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> (where <EM
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>PATH</EM
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> is the
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absolute path to the directory where you compiled ffmpeg, and not the
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relative path !)
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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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><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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> 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 v4l device
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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 Video for Linux input
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BEGIN "Inputs"
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webcam = "v4l"
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END
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BEGIN "webcam"
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# V4L device
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Device = "/dev/video"
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# Channel Source : Webcam is often "0"
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# TV Card, may be Tuner(0), Composite(1), Svideo(2)
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Channel = "0"
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# Norm: PAL=0, NTSC=1, SECAM=2
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Norm = "0"
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# Frequency of the channel in Mhz, multiplied by 16 (tuner cards only)
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Frequency = "7668"
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# Size possibilities: can be either:
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# - empty string : default size
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# - width x height
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# - subQCIF(128x96), QSIF(160x120), QCIF(176x144), SIF(320x240),
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# CIF(352x288), VGA (640x480)
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Size = ""
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# DeInterlace: "0" = no ; "1" = yes
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DeInterlace = "0"
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# Video compression format: "mpeg1" or "mpeg4"
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Compression = "mpeg4"
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# Video bitrate (approx.) in kbps
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Bitrate = "500"
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# Quality: "1.0" (good) to "31.0" (bad)
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Quality = "1.0"
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# Sound device
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AudioDevice = "/dev/dsp"
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# Audio compression format: "mp2", "mp3" or "ogg"
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AudioCompression = "mp2"
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# Audio bitrate in kpbs
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AudioBitrate = "64"
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# Audio frequency ("16000", "22050", "24000", "32000", "44100" or "48000")
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AudioFreq = "16000"
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# Audio channel: "1" = mono ; "2" = stereo
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AudioChannel = "2"
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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 webcam"
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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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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
|
|
HREF="x988.html"
|
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ACCESSKEY="P"
|
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>Prev</A
|
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></TD
|
|
><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="usesout.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 with VLC</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="softencoding.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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>Advanced use of VLC's stream output
|
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(transcoding, multiple streaming, etc...)</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
|
|
> |