[vlc-devel] grabbing frames with vlc 1.1.0

[Kaarlo Räihä]

Well I am out of options then.

2010/5/20 Mehmet Kaplan <mehmetkpln at gmail.com>

> The only thing i can get from logger is:
> "looks like this file was encoded with (divx4/(old)xvid/opendivx) ->
> forcing low_delay flag"
>
> On Thu, May 20, 2010 at 8:44 PM, Kaarlo Räihä <kaarlo.raiha at gmail.com>
> wrote:
> > With Windows --file-logging is broken AFAIK. So QT4 and messages or maybe
> rc
> > or telnet interface.
> >
> > 2010/5/20 Mehmet Kaplan <mehmetkpln at gmail.com>
> >>
> >> I add the --file-logging option, but there is not any log file output.
> >> I do something wrong or there is not any error.
> >>
> >> On Thu, May 20, 2010 at 6:20 PM, Kaarlo Räihä <kaarlo.raiha at gmail.com>
> >> wrote:
> >> > Could you check VLC message log while you do the operation? Look for
> any
> >> > dropped frames or libavcodec errors/warnings.
> >> >
> >> > 2010/5/20 Mehmet Kaplan <mehmetkpln at gmail.com>
> >> >>
> >> >> I tested the following command on VLC 0.9.9 and the problem (less
> >> >> number of frames and different number of frames in each execution)
> >> >> still exists.
> >> >> vlc.exe test.avi -V image --aout=dummy --intf=dummy --dummy-quiet
> >> >> --no-video-title-show
> >> >> --image-out-format=png --image-out-ratio=1 --image-out-prefix=frame_
> >> >> --no-snapshot-preview vlc://quit
> >> >>
> >> >> On Tue, May 18, 2010 at 2:41 PM, Mehmet Kaplan <mehmetkpln at gmail.com
> >
> >> >> wrote:
> >> >> > yes, i tried that command earlier and it doesn't work with 1.1.0.
> >> >> > so, the only solution is to use old method wtih earlier builds.
> >> >> > I'll try it, thanks a lot.
> >> >> >
> >> >> > On Tue, May 18, 2010 at 1:47 PM, Kaarlo Räihä
> >> >> > <kaarlo.raiha at gmail.com>
> >> >> > wrote:
> >> >> >> http://wiki.videolan.org/Video_Output#image
> >> >> >> that was old method. It doesn't work with current builds, but it
> >> >> >> should
> >> >> >> work
> >> >> >> in 0.9.x series IIRC.
> >> >> >>
> >> >> >> 2010/5/18 Mehmet Kaplan <mehmetkpln at gmail.com>
> >> >> >>>
> >> >> >>> I'm sorry, I don't know the earlier method.
> >> >> >>> Can you give me an example command?
> >> >> >>>
> >> >> >>>
> >> >> >>> 2010/5/18 Rémi Denis-Courmont <remi at remlab.net>:
> >> >> >>> >
> >> >> >>> > On Tue, 18 May 2010 08:48:38 +0300, Mehmet Kaplan
> >> >> >>> > <mehmetkpln at gmail.com>
> >> >> >>> > wrote:
> >> >> >>> >> I'm using following command to grab all frames of a video
> file.
> >> >> >>> >>
> >> >> >>> >> vlc.exe --video-filter=scene --vout=dummy --aout=dummy
> >> >> >>> >> --intf=dummy
> >> >> >>> >> --dummy-quiet --scene-format=png --scene-ratio=1
> >> >> >>> >> --scene-prefix=snap
> >> >> >>> >> --scene-path=C:\images\ test.avi vlc://quit
> >> >> >>> >>
> >> >> >>> >> This command gives less number of frames than the original
> >> >> >>> >> frames.
> >> >> >>> >> Also this command produces different number of frames in every
> >> >> >>> >> execution.
> >> >> >>> >
> >> >> >>> > Yeah. The scene filter is poorly designed, inefficient, and it
> >> >> >>> > can
> >> >> >>> > loose
> >> >> >>> > frames if the system is not that fast. In my opinion, the
> earlier
> >> >> >>> > method
> >> >> >>> > was much better.
> >> >> >>> >
> >> >> >>> > --
> >> >> >>> > Rémi Denis-Courmont
> >> >> >>> > http://www.remlab.net
> >> >> >>> > http://fi.linkedin.com/in/remidenis
> >> >> >>> >
> >> >> >>> > _______________________________________________
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> >> >> >>> >
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> >> >> >>
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> >> >> >>
> >> >> >
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