Ok yes ... I got it as only 1 USB session can be there.

But when LiveView is OFF (viewfinder = 0) ...then if I run "*--set-config
autofocusdrive=1"  *then it's not doing any Focus. It should do the
Auto-Focus ... right?

Thanks.

Regards.



On Sun, May 17, 2020 at 9:21 PM Marcus Meissner <meiss...@suse.de> wrote:

> Hi,
>
> This would be the command... However you cannot execute in a parallel
> gphoto2 session, it needs to be in the same session as the --capture-movie,
> which makes this tricky....
>
> Ciao, Marcus
> On Sun, May 17, 2020 at 08:20:35PM +0600, Nazmus Sakib wrote:
> > Hi Alan.
> >
> > Thanks for replying. Which command you mean to do Auto Focus ...
> *--set-config
> > autofocusdrive=1*? I tried it but the focus ring not changed.
> >
> > Regards.
> >
> > On Sun, May 17, 2020 at 8:00 PM Alan Corey <alan01...@gmail.com> wrote:
> >
> > > Yes, you send a command to start auto focus, you choose when to send
> it.
> > > On May 17, 2020 9:56 AM, "Nazmus Sakib" <sakib...@gmail.com> wrote:
> > >
> > >> Hi Marcus.
> > >>
> > >> One ques please ...
> > >>
> > >> I want to do only Auto-Focus the LiveView, not Capture-Image. Is it
> > >> possible?
> > >>
> > >> For test I'll use Canon 6D and Nikon D5100.
> > >>
> > >> Thanks.
> > >>
> > >> Regards.
> > >>
> > >> On Sat, May 16, 2020 at 7:57 PM Marcus Meissner <meiss...@suse.de>
> wrote:
> > >>
> > >>> On Sat, May 16, 2020 at 06:02:34PM +0600, Nazmus Sakib wrote:
> > >>> > Hi Marcus. Well noted.
> > >>> >
> > >>> > One more problem I am facing related with Live Streaming and I'll
> be
> > >>> glad
> > >>> > to have your advise.
> > >>> >
> > >>> > I am using Live Streaming using below commands and view the stream
> on
> > >>> VLC
> > >>> > Player (Network Stream).
> > >>> >
> > >>> > gphoto2 --set-config viewfinder=1
> > >>> > gphoto2 --capture-movie --stdout | ffmpeg -re -i pipe:0 -listen 1
> -f
> > >>> mjpeg
> > >>> > http://10.10.10.253:8080/feed.mjpg
> > >>> >
> > >>> > But I am experiencing around 3 - 5 sec delay in the Stream View. My
> > >>> WiFi is
> > >>> > stable tough. I tested it using both Canon 6D and Nikon 5100.
> > >>> >
> > >>> > Is there any way to reduce the delay and make the stream as much
> > >>> real-time
> > >>> > as possible?
> > >>>
> > >>> This is hard to do ... we emit images via stdout as quick as we can,
> but
> > >>> the buffering over ffmpeg and http will cause delays :/
> > >>>
> > >>> I found
> > >>>
> https://stackoverflow.com/questions/16658873/how-to-minimize-the-delay-in-a-live-streaming-with-ffmpeg
> > >>>
> > >>> e.g. ffmpeg flags:
> > >>>
> > >>> -fflags nobuffer
> > >>>
> > >>> would be worth to try.
> > >>>
> > >>> Ciao, Marcus
> > >>>
> > >>
> > >>
> > >> _______________________________________________
> > >> Gphoto-user mailing list
> > >> gphoto-u...@lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/gphoto-user
> > >>
> > >>
>
>
> > _______________________________________________
> > Gphoto-devel mailing list
> > Gphoto-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gphoto-devel
>
>
> --
> Marcus Meissner,SUSE LINUX GmbH; Maxfeldstrasse 5; D-90409 Nuernberg; Zi.
> 3.1-33,+49-911-740 53-432,,serv=loki,mail=wotan,type=real <
> meiss...@suse.de>
>
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