[mythtv-users] 1080i content and xv
Chris Ribe
chrisribe at gmail.com
Fri Jan 13 00:03:49 UTC 2006
Well, I probably will end up throwing money at the problem, but I won't like
doing it. The video card is old, yes, but not that old. I bought it new in
2003!
On 1/11/06, Steve Adeff <adeffs at gmail.com> wrote:
>
> On Wednesday 11 January 2006 22:46, Chris Ribe wrote:
> > 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
>
> I've seen this before, I think it was on an oooooold nvidia card as well.
> xv
> couldn't handle resizing the video smaller for whatever reason (I was way
> too
> newbie in linux to have figured it out) and would tear the video. I would
> try
> a new card with more memory perhaps?
>
> --
> Steve
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>
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