[mythtv-users] Attaining Smooth Video Playback with VDPAU

[Mike Perkins]

On 28/10/14 00:52, Neil Salstrom wrote:
> On Mon, Oct 27, 2014 at 5:24 PM, Greg Grotsky
> <spikeygg.mythbox at gmail.com> wrote:
>>
>> Mike, I turned on the "separate video modes for GUI and TV playback" but all
>> my playback modes are still 1080p. Do I need to hack up the xorg.conf to get
>> this working? I tried toggling the "Use GUI size for TV playback" and "Use
>> fixed window size" but none of the combinations seem to change the
>> resolution on the TV when playing back videos of different sizes. :-/
>>
>>
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>>
>
> I'd give the xorg.conf modification a shot.  Once I specified the
> modelines and set "separate video modes" everything started working
> really well.
>
> Here's mine (this is with a GT 430 as well):
>
> myth at htpc ~ $ more /etc/X11/xorg.conf
> # nvidia-xconfig: X configuration file generated by nvidia-xconfig
> # nvidia-xconfig:  version 290.06
> (buildmeister at swio-display-x86-rhel47-07.nvidia.com)  Mon Oct 31
> 09:29:27 PDT 2011
>
> Section "ServerLayout"
>      Identifier     "Layout0"
>      Screen      0  "Screen0"
>      InputDevice    "Keyboard0" "CoreKeyboard"
>      InputDevice    "Mouse0" "CorePointer"
>      Option         "Xinerama" "0"
> EndSection
>
> Section "Files"
> EndSection
>
> Section "InputDevice"
>      # generated from default
>      Identifier     "Mouse0"
>      Driver         "mouse"
>      Option         "Protocol" "auto"
>      Option         "Device" "/dev/psaux"
>      Option         "Emulate3Buttons" "no"
>      Option         "ZAxisMapping" "4 5"
> EndSection
>
> Section "InputDevice"
>      # generated from default
>      Identifier     "Keyboard0"
>      Driver         "kbd"
> EndSection
>
> Section "Module"
>      Load           "dbe"
>      Load           "extmod"
>      Load           "type1"
>      Load           "freetype"
>      Load           "glx"
> EndSection
>
> Section "ServerFlags"
>      Option         "dmps" "false"
> EndSection
>
> Section "Monitor"
>
>      Option         "DPMS"
>      Identifier     "Monitor0"
>      VendorName     "Unknown"
>      ModeLine       "1920x1080_60" 148.500 1920 2008 2052 2200 1080
> 1084 1089 1125 +hsync +vsync
>      ModeLine       "1920x1080_602" 148.500 1920 2008 2052 2200 1080
> 1084 1089 1125 +hsync +vsync
>      ModeLine       "1920x1080_23.976" 74.175 1920 2558 2602 2750 1080
> 1084 10891125 +hsync +vsync
>      ModeLine       "1920x1080_60i" 74.250 1920 2008 2052 2200 1080
> 1085 1095 1125 +hsync +vsync Interlace
>      ModeLine       "1920x1080_59.94" 148.350 1920 2008 2052 2200 1080
> 1084 1089 1125 +hsync +vsync
>      ModeLine       "1920x1080_29.97" 74.175 1920 2008 2052 2200 1080
> 1084 1089 1125 +hsync +vsync
>      ModeLine       "1920x1080_30" 74.250 1920 2008 2052 2200 1080 1084
> 1089 1125 +hsync +vsync
>      ModeLine       "1280x720_60" 74.25 1280 1320 1376 1650 720 722 728 750
>      ModeLine       "1920x1080_24" 74.250 1920 2558 2602 2750 1080 1084
> 1089 1125 +hsync +vsync
>
>      Option         "ExactModeTimingsDVI" "True"
>      Option         "UseEDIDDpi" "False"
>      Option         "ModeValidation" "NoEdidModes"
>      Option         "FlatPanelProperties" "Scaling = Native"
>      Option         "UseHotplugEvents" "False"
> EndSection
>
> Section "Device"
>      Identifier     "Device0"
>      Driver         "nvidia"
>      VendorName     "NVIDIA Corporation"
> EndSection
>
> Section "Screen"
>
>      Identifier     "Screen0"
>      Device         "Device0"
>      Monitor        "Monitor0"
>      DefaultDepth    24
>      Option         "NoPM" "True"
>      Option         "DPI" "100 x 100"
>      Option         "NoLogo" "True"
>      Option         "ColorSpace" "YCbCr444"
>      Option         "ColorRange" "Limited"
>      Option         "UseEvents" "False"
>      SubSection     "Display"
>          Depth       24
>      Modes       "1920x1080_60" "1920x1080_602" "1920x1080_23.976"
> "1920x1080_29.97" "1920x1080_30" "1920x1080_59.94" "1920x1080_60i"
> "1920x1080_24" "1280x720_60"
>      EndSubSection
> EndSection
>
> Section "Extensions"
>      Option         "Composite" "Disable"
> EndSection
>
Shouldn't that be:

        Option         "dpms" "false"

-- 

Mike Perkins