[vlc-devel] grabbing frames with vlc 1.1.0

[Mehmet Kaplan]

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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