> -----Original Message----- > From: linux-media-owner@xxxxxxxxxxxxxxx [mailto:linux-media- > owner@xxxxxxxxxxxxxxx] On Behalf Of Dongsoo, Nathaniel Kim > Sent: Thursday, June 11, 2009 11:15 AM > To: xie > Cc: v4l2_linux > Subject: Re: About V4l2 overlay sequence > > It seems to be totally described in v4l2 api specification document. > > The document is saying like this: > VIDIOC_QUERYCAP > video input and video standard ioctls > VIDIOC_G_FBUF and VIDIOC_S_FBUF > VIDIOC_G_FMT/S_FMT/TRY_FMT > VIDIOC_OVERLAY > > Take a look at the document for detailed usage. > Cheers, > > Nate > > On Wed, Jun 10, 2009 at 6:13 PM, xie<yili.xie@xxxxxxxxx> wrote: > > Dear all ~~ > > > > With your help I have implemented the preview with capture interface ~~ > > Now i want to implement the preview with ovelay , and my camera support > > s ovelay ~ > > Who can tell me where I can find the document about ovelay sequcence ~ ? > > Or does there have a standard example source code ~ ? > > > > Thanks a lot ~ > > > > Best regards > > [Shah, Hardik] You can also look at the OMAP display driver which is using this feature. http://arago-project.org/git/people/vaibhav/ti-psp-omap-video.git?p=people/vaibhav/ti-psp-omap-video.git;a=blob;f=drivers/media/video/omap/omap_vout.c;h=fc8ccd9f9e30e070e32fd37b5a4e7fd07e19d2e3;hb=refs/heads/ti_display All the ioctls listed by Nate above are supported by this driver. Regards, Hardik Shah > > > > > > -- > = > DongSoo, Nathaniel Kim > Engineer > Mobile S/W Platform Lab. > Digital Media & Communications R&D Centre > Samsung Electronics CO., LTD. > e-mail : dongsoo.kim@xxxxxxxxx > dongsoo45.kim@xxxxxxxxxxx > -- > 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
