[mythtv-users] Stuttery / jerky DVD playback
Michelle Dupuis
support at ocg.ca
Mon Jun 11 21:05:19 UTC 2007
In case it's a clue...
Xine has no problem playing back videos (nice and smooth), but mplayer is
very choppy. (I've tried mplayer -vo xv but no difference).
Whether watching live TV or recorded TV, it's unbearably jerky. Has anyone
seen this?
Thanks,
MD
-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Michelle Dupuis
Sent: Monday, June 11, 2007 12:49 PM
To: 'Discussion about mythtv'
Subject: [mythtv-users] Stuttery / jerky DVD playback
I'm running Myth .20 fixes - all functions seem to operate. I've have a
problem when I playback a DVD, the video (in MythTV) is jerky / stuttery.
I've had this problem since I started with Myth 3 weeks ago. I've played
with every conceivable setting to no avail.
I have an ATI X1600 running on Linux 2.6.18 FC6, with ATI's latest drivers
8.37.6. There are no errors in the xorg.0.log file, and ATI's fglrx drivers
are reported in fglrxinfo (for regular graphics and OpenGL too). Overall
graphics look good (and glxgears looks good).
I'm stuck...I just can't figure this out. Ideas anyone? Is it:
1. ATI driver bug (seems unlikely)
2. Myth misconfiguration
3. X misconfiguration (see my xorg.conf below)
HELP!!
Thanks,
MD
Section "ServerLayout"
Identifier "Multihead layout"
Screen 0 "aticonfig-Screen[0]" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "TKPANEL" "SendCoreEvents"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules"
EndSection
Section "Module"
Load "dbe" # Double buffering
Load "vnc"
Load "extmod"
Load "glx"
Load "dri"
EndSection
Section "DRI"
Group 0
Mode 0666
EndSection
# ATI does not support composite, so disable Section "Extensions"
Option "Composite" "disable"
EndSection
Section "ServerFlags"
# Next line is to prevent error AIGLX error: dlsym for
__driCreateNewScreen_20050727 failed
Option "AIGLX" "off"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "Monitor"
Identifier "aticonfig-Monitor[0]"
Option "VendorName" "Sony"
Option "ModelName" "VPL-HS51"
Option "DPMS" "true"
Modeline "1280x720_75" 74.48 1280 1336 1472 1664 720 721 724
746 +hsync
Modeline "1280x720_60" 60.46 1280 1328 1456 1632 720 721 724
741 +hsync
EndSection
Section "Monitor"
Identifier "aticonfig-Monitor[1]"
Option "VendorName" "SilverstoneTek"
Option "ModelName" "Internal Monitor"
Option "DPMS" "true"
Modeline "1280x720_75" 74.48 1280 1336 1472 1664 720 721 724
746 +hsync
Modeline "1280x720_60" 60.46 1280 1328 1456 1632 720 721 724
741 +hsync
EndSection
Section "Device"
Identifier "aticonfig-Device[0]"
Driver "fglrx"
BusID "PCI:6:0:0"
Screen 0
Option "DesktopSetup" "clone"
Option "UseInternalAGPGART" "no"
Option "KernelModuleParm" "agplock=0"
EndSection
Section "Device"
Identifier "aticonfig-Device[1]"
Driver "fglrx"
BusID "PCI:6:0:1"
Screen 1
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"
Option "DesktopSetup" "clone"
Option "UseInternalAGPGART" "no"
Option "KernelModuleParm" "agplock=0"
EndSection
Section "Screen"
Identifier "aticonfig-Screen[0]"
Device "aticonfig-Device[0]"
Monitor "aticonfig-Monitor[0]"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1280x720_75" "1280x720_60"
EndSubSection
Option "PasswordFile" "/home/mythtv/.vnc/passwd"
EndSection
Section "Screen"
Identifier "aticonfig-Screen[1]"
Device "aticonfig-Device[1]"
Monitor "aticonfig-Monitor[1]"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1280x720_75" "1280x720_60"
EndSubSection
Option "PasswordFile" "/home/mythtv/.vnc/passwd"
EndSection
## TouchKit section begin (Please do NOT edit this section!!) ##
Section "InputDevice"
Identifier "TKPANEL"
Driver "touchkit"
Option "Device" "/dev/tkdat0"
Option "DebugLevel" "0"
EndSection
## TouchKit section end ##
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