"Cutting" Video via GStreamer

Thibault Saunier tsaunier at gnome.org
Fri Dec 5 04:56:01 PST 2014

Hello Frede,

You should probably use GES (GStreamer Editing Services) for that. In
a simple ges-launch style what you are trying to do would look like:

ges-launch-1.0 file:///path/to/your/file inpoint duration

And it should be pretty easy to do that programatically.


Thibault Saunier

On Fri, Dec 5, 2014 at 12:43 PM, Frede <f.hobein at gmail.com> wrote:
> Hi,
> i want to cut an mp4 file i've captured with gstreamer1.0 (e.g. old file
> start=0s end=10s -> new file=2s end=8s). To achieve this i thought a simple
> pipeline like
> /filsrc location=xxx.mp4 | filesink location=xxx2.mp4 /
> would work. So to set the new "starting point" for the cut file im doing a
> simple_seek before i set the pipeline to playing:
> /gst_element_seek_simple (pipe, GST_FORMAT_TIME, GST_SEEK_FLAG_ACCURATE |
> And to set the new end I query the position of the video. When its => end, i
> send an eos and stop the pipeline. So far so good.
> Heres the problem:
> The seek AND the position query dont seem to work. I always get the full
> video as a copy...
> Can i get this to work as i want it to? Maybe seek and query operations dont
> work on this kind of simple pipes.
> Thanks
> Frede
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