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From: "Hans Verkuil" <hverkuil@xs4all.nl>
To: "Mauro Carvalho Chehab" <mchehab@infradead.org>
Cc: "Laurent Pinchart" <laurent.pinchart@ideasonboard.com>,
	"Németh Márton" <nm127@freemail.hu>,
	"Jean-Francois Moine" <moinejf@free.fr>,
	"Thomas Kaiser" <thomas@kaiser-linux.li>,
	linux-media@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RESEND][PATCH 1/2] v4l2: modify the webcam video standard   handling
Date: Mon, 31 Aug 2009 16:44:20 +0200	[thread overview]
Message-ID: <42d1ca6a2d2f29851cc1ea228bbc7121.squirrel@webmail.xs4all.nl> (raw)
In-Reply-To: <20090831100855.677d16d6@pedra.chehab.org>


> Em Mon, 31 Aug 2009 09:33:23 +0200
> "Hans Verkuil" <hverkuil@xs4all.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

Sure, here is the thread:

http://osdir.com/ml/linux-media/2009-08/msg00452.html

It's currently just brainstorming and not an official RFC.

Regards,

         Hans

-- 
Hans Verkuil - video4linux developer - sponsored by TANDBERG


  reply	other threads:[~2009-08-31 14:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-07  6:17 [PATCH " Németh Márton
2009-08-23  9:30 ` [RESEND][PATCH " Németh Márton
2009-08-31  2:41   ` Mauro Carvalho Chehab
2009-08-31  5:55     ` Németh Márton
2009-08-31  6:58     ` Laurent Pinchart
2009-08-31  7:33       ` Hans Verkuil
2009-08-31 13:08         ` Mauro Carvalho Chehab
2009-08-31 14:44           ` Hans Verkuil [this message]
2009-08-31 13:03       ` Mauro Carvalho Chehab

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