[mythtv-users] Attaining Smooth Video Playback with VDPAU

[Neil Salstrom]

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