[vlc-devel] grabbing frames with vlc 1.1.0

[Kaarlo Räihä]

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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