[mythtv-users] 1080i content and xv
Steve Adeff
adeffs at gmail.com
Thu Jan 12 04:11:11 UTC 2006
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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