[vlc-devel] grabbing frames with vlc 1.1.0

[Kaarlo Räihä]

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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