'[Mjpeg-users] capture card not working with nvidia driver'

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List:       mjpeg-users
Subject:    [Mjpeg-users]  capture card not working with nvidia driver
From:       Janos G Komaromi <janos () jankom ! net>
Date:       2019-09-23 14:53:10
Message-ID: 72e946c8-6e65-1aac-b0ac-233142a3d85d () jankom ! net
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Hello everyone,

My older machine with a cheap bttv capture card works well with nv
module driving GFORCE 2 MX card. Framebuffer and tiny penguin at boot up
shows, xawtv, glav, etc. works well for video capture and editing.
Recently I installed the proprietary nvidia driver (92.43.23). I had to
recompile the kernel (2.6.32.71) because the nvidia driver conflicted
with the kernel's drm and framebuffer modules. OK, now I have the full
capability of my 24" LCD display with the nvidia driver; AGP is fully
functional and glxgears runs fast. However, video capture is not
possible anymore: xawt screen is blue, but the setup screen lacks
sections starting with video source. I can play existing video files,
just capture capability is dead. So now I made my machine to dual boot
with nv driver or nvidia; I also switch xorg.conf at boot via rc.local
by sensing kernel version loaded.

I'm writing to this forum with a hope that somebody has some idea how to
make nvidia proprietary driver to work with video capture card. Maybe I
should go to some nvidia forum, but I trust the expertise of those who
follow mjpeg-users bulletin board.

One more info: the sysrcd-5.0.0 with 4.9.24 kernel works on my machine;
it loads the nouveau driver, screen resolution is identical with nvidia
driver. I tried to compile 2.6.33.1 kernel from source (the first kernel
that has the nouveau driver), but could not configure to include the
nouveau module. I thought that with the nouveau module, instead of
nvidia driver, capture would work again.

Thanks for your attention - Janos


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<html>
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    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
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  <body bgcolor="#FFFFFF" text="#000000">
    <font size="+1">Hello everyone,<br>
      <br>
      My older machine with a cheap bttv capture card works well with nv
      module driving GFORCE 2 MX card. Framebuffer and tiny penguin at
      boot up shows, xawtv, glav, etc. works well for video capture and
      editing. Recently I installed the proprietary nvidia driver
      (92.43.23). I had to recompile the kernel (2.6.32.71) because the
      nvidia driver conflicted with the kernel's drm and framebuffer
      modules. OK, now I have the full capability of my 24" LCD display
      with the nvidia driver; AGP is fully functional and glxgears runs
      fast. However, video capture is not possible anymore: xawt screen
      is blue, but the setup screen lacks sections starting with video
      source. I can play existing video files, just capture capability
      is dead. So now I made my machine to dual boot with nv driver or
      nvidia; I also switch xorg.conf at boot via rc.local by sensing
      kernel version loaded.<br>
      <br>
      I'm writing to this forum with a hope that somebody has some idea
      how to make nvidia proprietary driver to work with video capture
      card. Maybe I should go to some nvidia forum, but I trust the
      expertise of those who follow mjpeg-users bulletin board.<br>
      <br>
      One more info: the sysrcd-5.0.0 with 4.9.24 kernel works on my
      machine; it loads the nouveau driver, screen resolution is
      identical with nvidia driver. I tried to compile 2.6.33.1 kernel
      from source (the first kernel that has the nouveau driver), but
      could not configure to include the nouveau module. I thought that
      with the nouveau module, instead of nvidia driver, capture would
      work again.<br>
      <br>
      Thanks for your attention - Janos<br>
      <br>
    </font>
  </body>
</html>




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