cygwin-xhost-tvtime - Linux

This is a discussion on cygwin-xhost-tvtime - Linux ; how do i use cygwin remote desktop to show tvtime screen. i started x server via command: startxserver xterm xhost + 172.26.12.116 (a linux server) ssh -l username 172.26.12.116 export DISPLAY:172.26.12.121:0.0 (my host) tvtime problems: Running tvtime 1.0.1. Reading configuration ...

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Thread: cygwin-xhost-tvtime

  1. cygwin-xhost-tvtime

    how do i use cygwin remote desktop to show tvtime screen.
    i started x server via command:
    startxserver
    xterm
    xhost + 172.26.12.116 (a linux server)
    ssh -l username 172.26.12.116
    export DISPLAY:172.26.12.121:0.0 (my host)

    tvtime

    problems:
    Running tvtime 1.0.1.
    Reading configuration from /etc/tvtime/tvtime.xml
    Reading configuration from /home/chenzp/.tvtime/tvtime.xml
    xcommon: No window properties found for EWMH.
    Xlib: extension "XVideo" missing on display "172.26.12.121:0.0".
    xvoutput: XVIDEO extension not found: X too old? didn't load extmod?

    how do i fix it? thanks first.

  2. Re: cygwin-xhost-tvtime

    czp.opensource@gmail.com wrote:

    > how do i fix it? thanks first.


    TVtime uses the XVideo. The theory behind XVideo is, that a part
    of the videocard's framebuffer (VRAM) is mapped into system
    memory. The TV tuner card is then made to DMA the video content
    at exactly this portion of the memory (if no software
    postprocessing is done), this bypassing the CPU, resulting low
    system load. But for this to work, TV tuner and graphics card
    must be the same machine.

    However using SSH implies, that you are not on the same machine.
    SSH provides a mode in which such shared memory situations are
    emulated. You get it by using the '-Y' option instead of -X when
    making the connection, but this must be configured on at least
    the server side. Anyway this would transfer uncompressed video,
    which is not recommened.

    A far better solution would be, to transfer the video in
    compressed form, by streaming it over the net.

    Have a look at VLC, which provides easy to use streaming
    capabilities.

    You can use SSH for tunneling the traffic.

    Wolfgang Draxinger
    --
    E-Mail address works, Jabber: hexarith@jabber.org, ICQ: 134682867


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