[gst-devel] Newbie question - how to get video frames frompipeline

[Karthik Hariharakrishnan]

HI,

  

 You might also want to have a look at 

 

http://cgit.freedesktop.org/gstreamer/gst-plugins-base/tree/tests/examples/snapshot

 

The example there shows how to get a frame and dump it as a png image.

 

Cheers

Karthik

 

________________________________

From: Pablo! [mailto:pablito56 at gmail.com] 
Sent: Monday, March 30, 2009 12:36 PM
To: Discussion of the development of GStreamer
Subject: Re: [gst-devel] Newbie question - how to get video frames frompipeline

 

There are more appsink examples here:

http://cgit.freedesktop.org/gstreamer/gst-plugins-base/tree/tests/examples/app

Rgds,

- PABLO -



On Sun, Mar 29, 2009 at 11:02 PM, Štěpán <stepan1117 at atlas.cz> wrote:



Hello everyone,
   I am trying to code get video frames from gstreamer pipeline, so I
can do additional processing with them and draw each frame on screen via
Irrlicht engine. I was able to do it using ffmpeg, but I am not able to
get this done in gstreamer. The problem I am facing (and I am sure that
this problem is very trivial) is that I cannot find a way how to get
each (video)frame from gstreamer pipeline.
Nevertheless, I found two ways, how this could be done. The first is use
of appsink, and the second is to write my own (video)sink.
Unfortunately, I was not able to do it in neither way, mainly due to the
lack of example code, or my poor experience with gstreamer. So, my
question is, which way should I go (use appsink, or extend (video)sink)
and where to start with learning of how to accomplish this.
   Thanks in advance,
      Stepan

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