[gst-devel] Plugin to listen to GstBus

Greg Wunder gwunder at eoir.com
Thu Jun 17 20:04:40 CEST 2010

Thanks for the insight.
Does "should not" mean this is not possible with the current version of gstreamer?
For video data fusion, I need to communicate forensic data acquired from one plug-in and pass it on to another.
I was hoping to accomplish this through the GstBus.
If this is not possible & I need to use a GstEvent, is there any functionality lost in using an event handler for this purpose?


-----Original Message-----
From: Michael Smith [mailto:msmith at xiph.org]
Sent: Thu 6/17/2010 1:44 PM
To: Discussion of the development of GStreamer
Subject: Re: [gst-devel] Plugin to listen to GstBus
On Thu, Jun 17, 2010 at 10:26 AM, Greg Wunder <gwunder at eoir.com> wrote:
> Is there an example of a plug-in to listen to messages on the GstBus?
> I'm having trouble finding an example & would like to receive messages from
> other plugins in a given pipeline.

There aren't any examples of that, since an element should not listen
to bus messages from other elements.

Generally events (including custom events) are the appropriate way for
elements to communicate specific additional information amongst


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