On Fri, 9 Nov 2001, hzeng wrote:
> Hi,
> In the founctin of XvPutVideo, there are a set of parameter(vx,vy,vw,vh) .In the
>doc of xfree86,
> these is described as the following:
> "Define the size and location of the source (video) region to be written. vx and vy
>define the upper-left pixel of the region. vw and vh define the width and height, in
>pixels, of the region."
>
> I think it should be a clip region of stream video. But in the source code of xawtv,
>I find it is used as the perennial region determinded by the video system( PAL as 0,
>0, 720, 240. and NTSC as ...sorry I forget).Which is right?
>
XvPutVideo has these parameters to allow clipping the source.
I don't understand the question. It sounds like xawtv doesn't want
to clip the source, which sounds reasonable to me.
Mark.
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