> -----Original Message----- > From: linux-media-owner@xxxxxxxxxxxxxxx [mailto:linux-media- > owner@xxxxxxxxxxxxxxx] On Behalf Of Laurent Pinchart > Sent: Wednesday, August 25, 2010 2:56 PM > To: Lane Brooks > Cc: linux-media@xxxxxxxxxxxxxxx > Subject: Re: OMAP ISP and Overlay > > Hi Lane, > > On Tuesday 24 August 2010 15:40:01 Lane Brooks wrote: > > > > So far I have the everything working with the OMAP ISP to where I can > stream > > video on our custom board. > > Great news. > > A new version of the ISP driver will soon be published with all the legacy > code removed. We need a few days to setup the repository properly. You can > already get a preview at http://git.linuxtv.org/pinchartl/media.git > (omap3isp- > rx51 branch). > > > On a previous generation of hardware with a completely different > processor > > and sensor, we used the V4L2 overlay feature to stream directly to our > LCD > > for preview. I am wondering what the plans are for overlay support in > the > > omap ISP? How does the overlay feature fit into the new media bus > feature? > > The OMAP3 ISP driver won't support V4L2 overlay directly. However, you can > use > the USERPTR streaming mode and pass framebuffer memory directly to the ISP > driver, resulting in DMA to the framebuffer and improved efficiency. > Sorry for late reply, Just wanted to add on top of this, you could use V4L2 Display driver here which supports 2 video planes (over /dev/video0 & /dev/video1) along with both User pointer mode and MMAP mode of operation. Thanks, Vaibhav > -- > Regards, > > Laurent Pinchart > -- > 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 -- 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
