[mythtv-users] 1080i content and xv

Chris Ribe chrisribe at gmail.com
Thu Jan 12 03:46:27 UTC 2006


Minor success!

If I make the window wider than my desktop, the video plays back normally.
Of course, it has also crashed x once and hard frozen the computer another
time.  Perhaps the -panscan option will help me out.

On 1/11/06, Chris Ribe <chrisribe at gmail.com> wrote:
>
> The output from the cable box is an MPEG-TS stream over firewire.
> Playback works fine for 720p channels.  The clip I am testing with was
> captured off of PBS.
>
> I've tried playing the clip back at half size with VLC, and the results
> were the same.  I'm having trouble figuring out how to do any scaling with
> mplayer.
>
> The GPU is an old nVidia GeForce2 card w/ 32MB of ram. I don't know much
> more than that.
>
>
> Here is the current state of my xorg.conf (I switched to the xv driver
> earlier this evening, disregard the monitor section as that is not actually
> my monitor):
>
> # Xorg configuration created by system-config-display
>
> Section "ServerLayout"
>         Identifier     "single head configuration"
>         Screen      0  "Screen0" 0 0
>         InputDevice    "Mouse0" "CorePointer"
>         InputDevice    "Keyboard0" "CoreKeyboard"
> EndSection
>
> Section "Files"
>
> # RgbPath is the location of the RGB database.  Note, this is the name of
> the
> # file minus the extension (like ".txt" or ".db").  There is normally
> # no need to change the default.
> # Multiple FontPath entries are allowed (they are concatenated together)
> # By default, Red Hat 6.0 and later now use a font server independent of
> # the X server to render fonts.
>         RgbPath      "/usr/X11R6/lib/X11/rgb"
>         ModulePath   "/usr/X11R6/lib/modules/extensions/nvidia"
>         ModulePath   "/usr/X11R6/lib/modules/extensions"
>         ModulePath   "/usr/X11R6/lib/modules"
>         FontPath     "unix/:7100"
> EndSection
>
> Section "Module"
>         Load  "dbe"
>         Load  "extmod"
>         Load  "fbdevhw"
> ##      Load  "glx"
>         Load  "record"
>         Load  "freetype"
>         Load  "type1"
>         Load  "dri"
> EndSection
>
> Section "InputDevice"
>
> # Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
> #       Option  "Xleds"         "1 2 3"
> # To disable the XKEYBOARD extension, uncomment XkbDisable.
> #       Option  "XkbDisable"
> # To customise the XKB settings to suit your keyboard, modify the
> # lines below (which are the defaults).  For example, for a non-U.S.
> # keyboard, you will probably want to use:
> #       Option  "XkbModel"      "pc102"
> # If you have a US Microsoft Natural keyboard, you can use:
> #       Option  "XkbModel"      "microsoft"
> #
> # Then to change the language, change the Layout setting.
> # For example, a german layout can be obtained with:
> #       Option  "XkbLayout"     "de"
> # or:
> #       Option  "XkbLayout"     "de"
> #       Option  "XkbVariant"    "nodeadkeys"
> #
> # If you'd like to switch the positions of your capslock and
> # control keys, use:
> #       Option  "XkbOptions"    "ctrl:swapcaps"
> # Or if you just want both to be control, use:
> #       Option  "XkbOptions"    "ctrl:nocaps"
> #
>         Identifier  "Keyboard0"
>         Driver      "kbd"
>         Option      "XkbModel" "pc105"
>         Option      "XkbLayout" "us"
> EndSection
>
> Section "InputDevice"
>         Identifier  "Mouse0"
>         Driver      "mouse"
>         Option      "Protocol" "IMPS/2"
>         Option      "Device" "/dev/input/mice"
>         Option      "ZAxisMapping" "4 5"
>         Option      "Emulate3Buttons" "yes"
> EndSection
>
> Section "Monitor"
>         Identifier   "Monitor0"
>         VendorName   "Monitor Vendor"
>         ModelName    "Dell 1905FP (Analog)"
>         DisplaySize  370        270
>         HorizSync    30.0 - 81.0
>         VertRefresh  56.0 - 76.0
>         Option      "dpms"
> EndSection
>
> Section "Device"
>         Identifier  "Videocard0"
>         Driver      "nv"
>         VendorName  "Videocard vendor"
>         BoardName   "NVIDIA GeForce 2 MX (generic)"
> EndSection
>
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         Monitor    "Monitor0"
>         DefaultDepth     24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     16
>                 Modes    "800x600" "640x480"
>         EndSubSection
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>                 Modes    "1600x1200" "1400x1050" "1280x960" "1280x800"
> "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
>         EndSubSection
> EndSection
>
> Section "DRI"
>         Group        0
>         Mode         0666
> EndSection
>
>
> On 1/11/06, Steve Adeff <adeffs at gmail.com> wrote:
> >
> > On Wednesday 11 January 2006 21:11, Chris Ribe wrote:
> > > Neither of them worked, unfortunately.
> > >
> > > Using the nv driver resulted in a slightly different version of the
> > same
> > > problem.
> > >
> > > Perhaps it is a peculiarity in the transport stream from the cable
> > box,
> > > perhaps a newer video card would help.  I guess I'll just keep
> > plugging
> > > away and see if I can figure something out.  Thanks for your help.
> > >
> > > On 1/11/06, Brian Wood < beww at beww.org> wrote:
> > > > On Jan 11, 2006, at 6:35 PM, Chris Ribe wrote:
> > > > > Sorry, I need a little hand holding here.
> > > > >
> > > > > I assume I can unload the nVidia driver by issuing
> > > > >
> > > > > #modprobe -r /lib/modules/2.6.14-1.1656_FC4smp/updates/drivers/
> > > > > video/nvidia/nvidia-1_0-7676.ko
> > > >
> > > > Or just "rmmod nvidia", "lsmod" will tell you if it's still there or
> >
> > > > not.
> > > >
> > > > > but loading the nv driver, I'm not so sure about.
> > > > >
> > > > > Can I just replace the
> > > > >
> > > > > Driver "nvidia" line in xorg.conf with, Driver "xv" and restart x?
> > > >
> > > > Yes, normally, but I have heard tell of nVidia setups where it still
> > > > loads nVidia even if you do that. The actual X server is an
> > > > executable usually linked to "X" (note the cap) someplace like /usr/
> > > > X11R6/bin (seems like everybody puts it in a different place.
> > > >
> > > > That should be "nv" not "xv", I'm assuming that was a typo. "xv" is
> > > > something completely different.
> > > >
> > > > My guess is that if commenting out "load glx" does not work then
> > > > loading "nv" instead of nvidia will not work either, but you never
> > know.
> >
> > which GPU card?
> > whats your xorg.conf have for loading the nvidia driver?
> > does the issue occur when you playback 1080i content at 1/2 size?
> >
> > --
> > Steve
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
>
>
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