[mythtv] XV picture controls issue

Justin Luitjens luitjens at cs.utah.edu
Fri Feb 2 10:08:42 UTC 2007


Never mind,  It appears the newer NVidia cards have removed X overlay 
controls in favor of openGL viewer support.

Sorry for the spam,
Justin

Justin Luitjens wrote:
> Hi,
>
> Whenever I try to change the XV picture controls the slider changes to -1.
>
> Using the latest source I have gone through the Code and traced the 
> problem as far as the file: videoout_xv.cpp
> at line number 3084.  Here is a code fragement:
> ====================================
>  XvAttribute *attributes = NULL;
>     int howmany;
>     X11S(attributes = XvQueryPortAttributes(XJ_disp, xv_port, &howmany));
>     if (!attributes)
>         return -1;
>
>     bool value_set = false;
>     for (int i = 0; i < howmany; i++)
>     {
>         cout << "attrName=" << attrName << " attributes[i].name=" << 
> attributes[i].name << endl;
>         if (attrName != attributes[i].name)
>             continue;
> ======================================
>
> This produces the following output:
> attrName=XV_BRIGHTNESS attributes[i].name=XV_SET_DEFAULTS
> attrName=XV_BRIGHTNESS attributes[i].name=XV_ITURBT_709
> attrName=XV_BRIGHTNESS attributes[i].name=XV_SYNC_TO_VBLANK
>
>
> Is there something wrong with my XV?   I am using Fedora Core 6.  My 
> graphics card is a Nvidia Geforce 7100.
>
> Thanks,
> Justin
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