Em Mon, 23 Jun 2014 10:22:18 +0200 Hans Verkuil <hverkuil@xxxxxxxxx> escreveu: > On 06/21/2014 12:53 PM, Mauro Carvalho Chehab wrote: > > Em Sat, 21 Jun 2014 08:07:57 +0200 > > Hans Verkuil <hverkuil@xxxxxxxxx> escreveu: > > > >> On 06/21/2014 12:29 AM, Mauro Carvalho Chehab wrote: > >>> Em Sat, 21 Jun 2014 00:07:19 +0200 > >>> Hans Verkuil <hverkuil@xxxxxxxxx> 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@xxxxxxxxxxxxxxx/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). It is not the same. What I do with v4l2grab is to ask it to capture 30 seconds, storing frame by frame. Then, I can see if each frame is ok or not. Btw, capturing just one frame with some webcams with auto bright will likely just get a black frame. > > > 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. I would prefer to remove capture.c, as it doesn't use libv4l. We do want that newer applications would use libv4l. > > > > > So, I don't think we should remove it. > > No problem. > > Regards, > > Hans > -- 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
