linux-kernel - Re: [RESEND][PATCH 1/2] v4l2: modify the webcam video standard handling

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Message-ID: <20090831100855.677d16d6@pedra.chehab.org>
Date:	Mon, 31 Aug 2009 10:08:55 -0300
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	"Hans Verkuil" <hverkuil@...all.nl>
Cc:	"Laurent Pinchart" <laurent.pinchart@...asonboard.com>,
	Németh Márton <nm127@...email.hu>,
	"Jean-Francois Moine" <moinejf@...e.fr>,
	"Thomas Kaiser" <thomas@...ser-linux.li>,
	linux-media@...r.kernel.org, "LKML" <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND][PATCH 1/2] v4l2: modify the webcam video standard 
 handling

Em Mon, 31 Aug 2009 09:33:23 +0200
"Hans Verkuil" <hverkuil@...all.nl> escreveu:

> > TV standards only apply to analog video. Let's simply not use it for
> > digital
> > video. We don't expect drivers to implement VIDIOC_[GS]_JPEGCOMP with fake
> > values when they don't support JPEG compression, so we should not expect
> > them
> > to implement VIDIOC_[GS]_STD when they don't support analog TV.
> 
> Exactly. Work is underway to add an API for HDTV and similar digital video
> formats. But we should just freeze the v4l2_std_id API and only use it for
> the analog PAL/NTSC/SECAM type formats. This nicely corresponds with the
> underlying standards as those have been frozen as well.

Could you please point the thread where this API is being discussed

Cheers,
Mauro
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