[gst-devel] Seeking multifilesrc

Stefan Kost ensonic at hora-obscura.de
Wed Sep 24 13:52:41 CEST 2008


Jorge schrieb:
> Hi to all.
>
> I'm trying to write a stop-motion creation app, in the vein of
> http://developer.skolelinux.no/info/studentgrupper/2005-hig-stopmotion/index.php
> but using python, gtk, and well, gstreamer. It's my first using all
> three technologies, tough :p
> What i'm stump on is on how step frame by frame forward and backwards in
> a video loaded trough multifilesrc. I was trying to seek using
> gst.FORMAT_BUFFERS as to move one frame at a time, but it doesn't work.
> When i attempt a query_position on the pipeline, i get a "query failed".
>   
Can you try |GST_FORMAT_DEFAULT?

Stefan
|
> My pipeline is 
>
> multifilesrc ! jpegdec ! cspvideo !videosink.
>
> (multifilesrc has a "image/jpeg,framerate=15/1" cap for correct playing)
>
> I've tried a queue right after multifilesrc, but no difference. Is there
> something i have to do for a stream be seekable? Also, the idea is being
> able to keep adding image frames without having to reprocess everything
> each time...
>
> Any pointer?
>
> Jorge
>
>
>
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