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Old 10-27-2008, 07:29 PM   #1
mhg
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video playback poor - I don't think it is a resolution problem


I did some searching here, and thought I had the problem identified. My default depth was set at 16. I ran dpkg-reconfigure xserver-xorg. I checked the xorg.conf file again, and it was changed to a default depth of 24. However my playback is still terrible. I boot to XP, play the same clip, and it looks great.

This is what my xorg.cong file looks like:

Section "Files"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/X11R6/lib/X11/fonts/misc"
FontPath "/usr/share/fonts/X11/cyrillic"
FontPath "/usr/X11R6/lib/X11/fonts/cyrillic"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/X11R6/lib/X11/fonts/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi"
# path to defoma fonts
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "vbe"
EndSection

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc104"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ImPS/2"
Option "Emulate3Buttons" "true"
EndSection

Section "Device"
Identifier "Intel Corporation 82865G Integrated Graphics Controller"
Driver "i810"
BusID "PCI:0:2:0"
Option "UseFBDev" "true"
EndSection

Section "Monitor"
Identifier "AccuSync 900"
Option "DPMS"
HorizSync 30-98
VertRefresh 55-160
EndSection

Section "Screen"
Identifier "Default Screen"
Device "Intel Corporation 82865G Integrated Graphics Controller"
Monitor "AccuSync 900"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1200x800" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1200x800" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1200x800" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1200x800" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1200x800" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x1024" "1280x960" "1280x854" "1280x800" "1280x768" "1200x800" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
EndSubSection
EndSection

Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection

Section "DRI"
Mode 0666
EndSection

I can not see what might be wrong there.

Should I be looking elsewhere for the problem?

Thanks for any help.
 
Old 10-27-2008, 07:40 PM   #2
BrianK
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how does it look bad? Does it look compressed? Is the motion/playback not smooth? Is it squished (wrong aspect ratio)? Are you running windowed or full screen? Do you have graphics acceleration working? If so, Nvidia, ATI, or something else?
 
Old 10-27-2008, 08:58 PM   #3
mhg
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It plays back perfectly smoothly. The picture quality is "washed out"? Looks like everything is over-exposed. No detail at all.

As far as video acceleration, I wouldn't know. It is a simple Del with integrated intel graphics. Nothing special.

Thanks
 
Old 10-27-2008, 09:14 PM   #4
BrianK
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Quote:
Originally Posted by mhg View Post
It plays back perfectly smoothly. The picture quality is "washed out"? Looks like everything is over-exposed. No detail at all.

As far as video acceleration, I wouldn't know. It is a simple Del with integrated intel graphics. Nothing special.

Thanks
hmm... I've not seen that before.

I wonder if it's a simple setting issue. try these key-commands during playback:

Code:
    keys:
              1 and 2
                   Adjust contrast.
              3 and 4
                   Adjust brightness.
              5 and 6
                   Adjust hue.
              7 and 8
                   Adjust saturation.
in other words, hit the number '1' (probably not on the number pad) to decrease contrast, the number 2 to increase. Experiment & see if that fixes it.

If that doesn't work, you might try another video output device. From the man page:
Code:
VIDEO OUTPUT DRIVERS (MPLAYER ONLY)
       Video output drivers are interfaces to different video output facilities.  The syntax is:

       -vo <driver1[:suboption1[=value]:...],driver2,...[,]>
              Specify a priority list of video output drivers to be used.

       If the list has a trailing ’,’ MPlayer will fall back on drivers not contained in  the  list.   Suboptions
       are optional and can mostly be omitted.
       NOTE: See -vo help for a list of compiled-in video output drivers.

       EXAMPLE:
                 -vo xmga,xv,
                      Try the Matrox X11 driver, then the Xv driver, then others.
                 -vo directx:noaccel
                      Uses the DirectX driver with acceleration features turned off.
that's a fairly advanced topic, however. Not sure how deep you want to go that direction (it should just work out of the box, shouldn't it?) as it's unlikely to solve anything, but it may shed some light on what's going wrong.

Try the simple settings first, then try the advanced stuff. You'll have to look at the man page for the latter as it lists all the different output devices.

If all else fails, give "VLC" a try. It's probably in your distro's package manager (i'm almost positive it's in Ubuntu's repository - at least it was in Ubuntu 6.10) & is the next-best media player to mplayer (imho). It may work out of the box as it should.

Last edited by BrianK; 10-27-2008 at 09:16 PM.
 
Old 10-27-2008, 09:31 PM   #5
mhg
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Well I'll be damned. It was the player.

I had tried gxine, and movie player, I had vlc installed, but had not opened the file with it. Sooooo, I open it with vlc, and bingo, it looks fine.

I feel foolish, but what the heck, I come from XP, and I have never had the software make a difference like what I just saw!

Thanks for the help and patience with a newbie.
 
Old 12-01-2008, 01:44 PM   #6
widget
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There is a learning curve for all new OSs. If you went to Mac you would have to learn a new system.

At least linux gives you the power to do something with your system.

I recently switched to Ubuntu. Had used 98 for 10 years and it just wouldn't handle a lot of things. Bought a new computer with Vista Home Premium. It would handle things - slowly - and so I did not think that it was an upgrade.

I do dual boot. Hardy/Hardy (Ubuntu 8.04 is Hardy Heron). I did this so that I have one to use and one to play, I mean learn on. If you are adventurous and tend to break things this is a good idea.
 
Old 12-01-2008, 02:41 PM   #7
farslayer
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Intel Corporation 82865G Integrated Graphics Controller
you should be using the 'intel' driver for this instead of the i810 driver..
http://intellinuxgraphics.org/documentation.html

Just change the driver line in your xorg.conf from "i810" to "intel" and restart X to take advantage of the updated driver. The intel driver is part of X so it should already be included in you distribution.

Code:
user@it-etch:~$ aptitude search video-intel
p   xserver-xorg-video-intel           - X.Org X server -- Intel i8xx, i9xx display driver
view the intel man page for available options with this driver

Last edited by farslayer; 12-01-2008 at 02:43 PM.
 
  


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