On Mon, 29 Oct 2001, Hzeng wrote:
> Hi,
> I am very surprised that the Xv functions
>'PutImage','QueryImageAttribute','GetVideo','GetStill' cannot be realized in the
>video4linux Xv driver. I am a new member of Xv and v4l, if it is that v4l cannot
>support these functions ? Can you explain for me?
> Thanks
> Hzeng
PutImage is client YUV data sent to the server. V4L type devices
are typically only Port->Window types of operations and don't have
this functionality.
GetVideo means sending the contents of a window to a port. That
would mean something like TVout. Typically V4L devices are things
like TV cards and the data only goes into windows, not out of it.
Mark.
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