[mythtv-users] Radeon 9600 Component to CRT TV

[Henry Fleischmann]

Henry Fleischmann wrote:

>Not sure if I'm the only one on this list still using a tube TV but 
>maybe someone remembers how to do this from the old days ;)
>
>I recently put a Gigabyte Radeon9600Pro with the ATI  DVI-to-component 
>adapter into my frontend and I'm having problems getting the display 
>settings right. Previously I was using s-video in and it worked fine.
>
>The mythtv menu comes up fine and looks great, but when I  watch TV or 
>play a video, it's like the picture is zoomed in 5-10 times too much. 
>I've tried changing the resolution from 800x600 to 640x480 and finally 
>352x240. 352x240 looks the best but it is still zoomed 4-5 times too 
>much. Changing resolution to 176x120 did not shrink the picture any further.
>
>I'm using Version 8.21.7 of the ATI proprietary drivers and X.org 
>6.8.2.0 on gentoo 2.6.15-r1. Mythtv is is 18.1.
>
>My TV is a NTSC Hitachi 32UX01S 32" tube TV. The TV manual say it will 
>take 480i only through component in but also mentions it has "Superfine 
>Picture Quality 700 Line Horizontal Resolution". Component input from my 
>standalone dvd player works fine. Only 480i mode is enabled on the 
>DVI-to-component adapter.
>
>Do I need a custom modeline or something? I also messed around with the 
>DisplaySize setting but that seemed to just affect the mythtv menu.
>
>Suggestions on search terms for google or gossamer would be helpful 
>also. CRT info is really hard to find amongst all the HDTV stuff.
>
>Here's applicable sections of my xorg.conf and some selected output from 
>my Xorg.0.log.
>-------------------------------------------------------
>#xorg.conf
>
>Section "Monitor"
>        Identifier   "Monitor0"
>    HorizSync   31.5
>    VertRefresh 30 - 50
>    Option "DPMS"
>EndSection
>
># === ATI device section ===
>
>Section "Device"
>    Identifier                          "ATI Graphics Adapter"
>    Driver                              "fglrx"
># ### generic DRI settings ###
># === disable PnP Monitor  ===
>    Option                              "NoDDC"
># === disable/enable XAA/DRI ===
>    Option "no_accel"                   "no"
>    Option "no_dri"                     "no"
># === misc DRI settings ===
>    Option "mtrr"                       "off" # disable DRI mtrr mapper, 
>driver has its own code for mtrr
># ### FireGL DDX driver module specific settings ###
># === Screen Management ===
>    Option "DesktopSetup"               "Mirror"
>    Option "MonitorLayout"              "AUTO,None"
>    Option "IgnoreEDID"                 "on"
>    Option "HSync2"                     "31.5       "
>    Option "VRefresh2"                  "20 - 60"
>    Option "ScreenOverlap"              "0"
># === TV-out Management ===
>    Option "NoTV"                       "no"
>    Option "TVStandard"                 "NTSC"
>    Option "TVHSizeAdj"                 "0"
>    Option "TVVSizeAdj"                 "0"
>    Option "TVHPosAdj"                  "0"
>    Option "TVVPosAdj"                  "0"
>    Option "TVHStartAdj"                "0"
>    Option "TVColorAdj"                 "0"
>    Option "GammaCorrectionI"           "0x07e1f87e"
>    Option "GammaCorrectionII"          "0x00b02c0b"
># === OpenGL specific profiles/settings ===
>    Option "Capabilities"               "0x00000000"
># === Video Overlay for the Xv extension ===
>    Option "VideoOverlay"               "on"
># === OpenGL Overlay ===
># Note: When OpenGL Overlay is enabled, Video Overlay
>#       will be disabled automatically
>    Option "OpenGLOverlay"              "off"
># === Center Mode (Laptops only) ===
>    Option "CenterMode"                 "off"
># === Pseudo Color Visuals (8-bit visuals) ===
>    Option "PseudoColorVisuals"         "off"
># === QBS Management ===
>    Option "Stereo"                     "off"
>    Option "StereoSyncEnable"           "1"
># === FSAA Management ===
>    Option "FSAAEnable"                 "no"
>    Option "FSAAScale"                  "1"
>    Option "FSAADisableGamma"           "no"
>    Option "FSAACustomizeMSPos"         "no"
>    Option "FSAAMSPosX0"                "0.000000"
>    Option "FSAAMSPosY0"                "0.000000"
>    Option "FSAAMSPosX1"                "0.000000"
>    Option "FSAAMSPosY1"                "0.000000"
>    Option "FSAAMSPosX2"                "0.000000"
>    Option "FSAAMSPosY2"                "0.000000"
>    Option "FSAAMSPosX3"                "0.000000"
>    Option "FSAAMSPosY3"                "0.000000"
>    Option "FSAAMSPosX4"                "0.000000"
>    Option "FSAAMSPosY4"                "0.000000"
>    Option "FSAAMSPosX5"                "0.000000"
>    Option "FSAAMSPosY5"                "0.000000"
># === Misc Options ===
>    Option "UseFastTLS"                 "0"
>    Option "BlockSignalsOnLock"         "on"
>    Option "UseInternalAGPGART"         "no"
>    Option "ForceGenericCPU"            "no"
>#    BusID "PCI:1:0:0"    # no device found at config time
>    Screen 0
>EndSection
>
># **********************************************************************
># Screen sections
># **********************************************************************
>
>Section "Screen"
>    Identifier  "Screen0"
>    Device      "ATI Graphics Adapter"
>    Monitor     "Monitor0"
>    DefaultDepth 24
>    #Option "backingstore"
>
>    Subsection "Display"
>        Depth       24
>        Modes       "352x240"
>        ViewPort    0 0  # initial origin if mode is smaller than desktop
>#        Virtual     1280 1024
>    EndSubsection
>EndSection
>-------------------------------------------------------------
>Xorg.0.log
> >> snip
>
>  
>
Well I've sorted the problem out to some extent. Modeline was not the 
primary issue. Xv seems to be causing the weird video resizing. If I 
disable it commenting out 'Option "VideoOverlay" "on" ', video plays ok. 
Any ideas? Driver issue maybe?