[FFmpeg-user] interactive arrow keys

[Everett Carmody]

thank you!  Makes sense now.


On Tue, Dec 10, 2013 at 6:29 PM, Fusl <ffmpeg at lists.dedilink.eu> wrote:

> On 12/11/2013 02:44 AM, Everett Carmody wrote:
> > Hi,
> Hi,
> > I'm sorry if this is a newbie question but I couldn't find an answer
> > through several differently-worded searches.  I use Linux (Arch) and run
> > ffmpeg from the command line.  Sometimes I will accidently press the back
> > or left arrow key and the output of ffmpeg changes to what I guess is
> > extra-verbosity-mode or something, in which multi-colored details print
> in
> > the terminal as it encodes.  I would like to know how to get out of that
> > mode, back to normal ffmpeg, non-verbose output.  I was thinking that in
> > the long run it might make encoding a little slower since it is using
> some
> > processing to print output.  I've also noticed that pressing the forward,
> > right arrow key puts it in some kind of command entry mode.
> There is something like an inline help. Just press ? and ffmpeg will
> print it out..
>
> Example for version N-58852-g4dfc8f6 built on Dec  7 2013 13:24:02:
> key    function
> ?      show this help
> +      increase verbosity
> -      decrease verbosity
> c      Send command to first matching filter supporting it
> C      Send/Que command to all matching filters
> D      cycle through available debug modes
> h      dump packets/hex press to cycle through the 3 states
> q      quit
> s      Show QP histogram
>
> With left arrow key, you are actually writing the escape sequence ^[[D
> to ffmpeg and ffmpeg ignores all keys until it matches something usable
> (in this case D).
> So...
> Up:    ^[[A
> Down:  ^[[B
> Right: ^[[C (Matches Send/Que command to all matching filters)
> Left:  ^[[D (Matches cycle through available debug modes)
>
> >
> > I guess the processing loss is probably negligible but I would still like
> > to be able to go back to standard output.  I like to be able to quickly
> > check the progress and the screen changes too fast with this verbose
> > stuff.  Also, I'm a little curious what commands I could enter with the
> > right arrow key thing.
> Send/Que command to all matching filters
> >
> > Thanks for any help,
> Hope this will help you (at least a little bit) :)
> >
> > E
> > _______________________________________________
> > ffmpeg-user mailing list
> > ffmpeg-user at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
>
> Best regards
>
> Fusl
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>