From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp-vbr15.xs4all.nl ([194.109.24.35]:3360 "EHLO smtp-vbr15.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751014AbaFWIWi (ORCPT ); Mon, 23 Jun 2014 04:22:38 -0400 Message-ID: <53A7E3BA.1080100@xs4all.nl> Date: Mon, 23 Jun 2014 10:22:18 +0200 From: Hans Verkuil MIME-Version: 1.0 To: Mauro Carvalho Chehab CC: Gregor Jasny , Linux Media Mailing List , Hans de Goede , Laurent Pinchart Subject: Re: Time for v4l-utils 1.2 release? References: <53A49A11.2010502@googlemail.com> <53A4B097.3050802@xs4all.nl> <20140620192946.39765ec3.m.chehab@samsung.com> <53A5213D.7010202@xs4all.nl> <20140621075348.50b8a47d.m.chehab@samsung.com> In-Reply-To: <20140621075348.50b8a47d.m.chehab@samsung.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 06/21/2014 12:53 PM, Mauro Carvalho Chehab wrote: > Em Sat, 21 Jun 2014 08:07:57 +0200 > Hans Verkuil escreveu: > >> On 06/21/2014 12:29 AM, Mauro Carvalho Chehab wrote: >>> Em Sat, 21 Jun 2014 00:07:19 +0200 >>> Hans Verkuil escreveu: >>> >>>> On 06/20/2014 10:31 PM, Gregor Jasny wrote: >>>>> Hello, >>>>> >>>>> It's been 11 months since the 1.0.0 release. What do you think about >>>>> releasing HEAD? Do you have any pending commits? >>>> >>>> I've got two patches from Laurent pending that ensure that the 'installed >>>> kernel headers' are used. I plan on processing those on Monday. After that >>>> I think it's OK to do a release. >>>> >>>> Mauro, did you look at my email where I suggest to remove three apps from >>>> contrib? If you agree with that, then I can do that Monday as well. >>> >>> Well, I don't remember about such email, nor I was able to find on a quick >>> look. >> >> https://www.mail-archive.com/linux-media@vger.kernel.org/msg76120.html >> >> Marked with ATTN as well! > > Well, from my side, feel free to drop those 3 utilities. If you drop v4lgrab, > you'll need to check the DocBook Makefile scripts, as it used to have some > automation to include it at the media DocBook. > > I think that this was removed in the past, but it doesn't hurt to > double-check. > >>> >>> What apps are you planning to remove? >>> >>> Btw, I think it could be a good idea to be able to install some of those >>> stuff under contrib to a separate package. I had to do a quick hack >>> in order to install v4l2grab on a Tizen package, in order to be able to >>> test a card there (as was needing to do some tests via CLI). >> >> What does v4l2grab offer that v4l2-ctl doesn't? I would be much more inclined >> to remove v4l2grab. > > I never used v4l2-ctl for streaming (didn't even know/remember) that it was > capable of doing that ;) It was added about a year ago or something like that. > Looking at --help-streaming, though, one thing that it is not clear there > is what's the format of the output, when --stream-to= is used. Completely raw output. > Btw, I think that one big miss on v4l2-ctl is the lack of a man page witch > would have an EXAMPLES section explaining things like that. Absolutely. With a bit of luck I might have time for that fairly soon. > One of the advantages of v4l2grab is that it takes per-frame snapshots, instead > of writing a stream file. Those snapshots help to identify, for example, if > there are interlacing issues on a frame, or if some frames have some other > problems. You can dump just a single frame as well with v4l2-ctl (--stream-count=1). > Also, v4l2grab is a good example of how to use libv4l, and it is enclosed > at DocBook (not sure if we're using automation to allow including > the latest version of it): > http://linuxtv.org/downloads/v4l-dvb-apis/v4l2grab-example.html Isn't capture.c.xml much more useful as example code? I have to admit, I didn't know v4l2grab.c was used as an example. > > So, I don't think we should remove it. No problem. Regards, Hans