Unfortunately, XFree86's Xv implementation never supported
anything other than windows (ie. not pixmaps), so the Xv API
doesn't have a way to copy to anything other than a window.
Mark.
On Tue, 30 Nov 2004, SECRICE wrote:
> Hi all,
>
> I make a embedded system like a note pc.
> It has x86 cpu(transmeta) and siliconmotion video chip.
> I compiled XFree86-4.4.0 sucessfully, It works well.
>
> I have a problem.
> Camera device is connected to a siliconmotion chip(by I2C bus).
> XvPutVideo function displays camera images to a widget.
>
> code: (This is a part of xlive program)
> static void
> Redisplay(Widget gw, XEvent *event, Region region)
> {
> LiveWidget w = (LiveWidget) gw;
>
> if (w->live.portid != -1)
> XvPutVideo(XtDisplay(w), w->live.portid, XtWindow(w), w->live.myGC,
> 0, 0, WIDTH, HEIGHT,
> w->core.x, w->core.y, w->core.width, w->core.height);
> }
>
> I want to get camera data as a char buffer...
> Because I must send camera data to another machine.
>
> Is there any function to get a video data from siliconmotion_drv?
> Or some other method?
>
> Help me...
>
> Best Regards,
> Secrice
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>
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