Re: [RFC] Adding new ioctl for transparency color keying

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Saturday 24 January 2009 17:59:27 Shah, Hardik wrote:
> > -----Original Message-----
> > From: Shah, Hardik
> > Sent: Thursday, January 22, 2009 10:27 AM
> > To: 'linux-media@xxxxxxxxxxxxxxx'; video4linux-list@xxxxxxxxxx
> > Subject: [RFC] Adding new ioctl for transparency color keying
> >
> > Hi,
> > OMAP class of device supports transparency color keying.  Color keying
> > can be source color keying or destination color keying.
> >
> > OMAP3 has three pipelines one graphics plane and two video planes.  Any
> > of these pipelines can go to either the TV or LCD.
> >
> > The destination transparency color key value defines the encoded pixels
> > in the graphics layer to become transparent and display the underlying
> > video pixels. While the source transparency key value defines the
> > encoded pixels in the video layer to become transparent and display the
> > underlying graphics pixels. This color keying works only if the video
> > and graphics planes are on the same output like TV or LCD and images of
> > both the pipelines overlapped.
> >
> > I propose to have the one ioctl to set the encoded pixel value and type
> > of color keying source and destination.  Also we should have the CID to
> > enable/disable the color keying functionality.
> >
> > Please let us know your opinions/comments.
>
> [Shah, Hardik] Hi Any comments on above IOCTLs,
> Hans/Mauro,
> Shall I send patch to add these new ioctls.

Hi Hardik,

Sorry, I haven't yet had the opportunity to review the new ioctls. You can 
expect that next week.

Regards,

	Hans

-- 
Hans Verkuil - video4linux developer - sponsored by TANDBERG
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux