[gst-devel] Keep a video buffer and recover a frame for a given timestamp

[Mailing List SVR]

In data lunedì 24 agosto 2009 15:34:36, Stefan Kost ha scritto:
: > Mailing List SVR schrieb:
> > Hi all,
> >
> > I'm developing a basic video player for a video for linux device, I would like to see the video with low latency but also fill a memory buffer with for example the last 30 seconds of the video and recover a frame based on timestamp, is this possible using gstreamer (maybe using gst.Buffer)?
> >   
> gst-buffer is a buffer. I don't see how you can do it with existing
> plugins. Do you want to replay from within the last 30 sec?. 

Exactly

> Then you
> could probably do a variant of a queue element, that keeps the last n
> sec. and allows to seek with there. Maybe using queue2 with a
> file-system cache is even enough already (haven't tried it).

What is queue2 (nothing about it here: http://gstreamer.freedesktop.org/documentation/plugins.html)? I cannot fill a queue (http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-plugins/html/gstreamer-plugins-queue.html) and then replay from there?

Nicola

> 
> Stefan
> 
> > Some hints please,
> >
> > Nicola 
> >
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