Thanks Wim.<div><br></div><div>I did the same but still didn't get the pipeline events. I confirmed that I do get the events if I use the default context. My code now looks like this:</div><div><br></div><div><div>            <span class="Apple-tab-span" style="white-space:pre"> </span>GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipe));</div> <div><span class="Apple-tab-span" style="white-space:pre"> </span>if ( ( source = gst_bus_create_watch(bus) ) == NULL )</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>{</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>cout << "Unable to create sourced for bus watch";</div> <div><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>cout << "Created source";</div><div><span class="Apple-tab-span" style="white-space:pre"> </span></div> <div><span class="Apple-tab-span" style="white-space:pre"> </span>g_source_set_callback(source, (GSourceFunc) BusHandler, data, NULL);</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>cout << "Set callback";</div> <div><span class="Apple-tab-span" style="white-space:pre"> </span></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>busWatchId = g_source_attach(source, loopContext);</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>cout << "Attached source. Id = " << busWatchId;</div> <div><span class="Apple-tab-span" style="white-space:pre"> </span></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>g_source_unref(source);</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>gst_object_unref (bus);</div> <div><br></div><div><br></div><div>The handler function (I retained what I had earlier when I used gst_bus_add_watch() ),</div><div>gboolean BusHandler(GstBus *bus, GstMessage *message, gpointer data)</div><div>{</div><div>  cout << "Handler called";</div><div>}</div><div><br></div><div><br></div><div>And elsewhere in the code,</div><div><br></div><div>            <span class="Apple-tab-span" style="white-space:pre"> </span>GMainContext *context = g_main_context_new();</div> <div>            <span class="Apple-tab-span" style="white-space:pre"> </span>GMainLoop *loop = g_main_loop_new(context, false);</div><div>            <span class="Apple-tab-span" style="white-space:pre"> </span>g_main_loop_run(loop);</div> <div><br></div></div><div><br></div><div><br><br><div class="gmail_quote">On Thu, Nov 13, 2008 at 10:33 AM, Wim Taymans <span dir="ltr"><<a href="mailto:wim.taymans@gmail.com">wim.taymans@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div><div></div><div class="Wj3C7c">On Thu, 2008-11-13 at 10:16 -0800, Karthik V wrote:<br> > Hello All,<br> ><br> ><br> > I would like to run my g_main_loop in a separate context, so did<br> > something like this<br> ><br> ><br> > GMainContext *c = g_main_context_new();<br> > GMainLoop *l = g_main_loop_new(c, false);<br> > g_main_loop_run(l);<br> ><br> ><br> > My bus watch code goes like this:<br> > GstBus *bus = gst_pipeline_get_bus(pipe);<br> > gst_bus_add_watch(bus, BusHandler, NULL);<br> ><br> ><br> > If I run my main loop in the default context (by passing NULL), I<br> > receive call backs when there is an event on the bus. But after I<br> > moved it to a new context, I don't get the events anymore. Looking<br> > into the documentation, it looks like gst_bus_add_watch() adds watch<br> > only to the default context.<br> ><br> ><br> > Could someone tell me how to add watch to my own context, please?<br> <br> </div></div>You want something like this:<br> <br>  GSource *source;<br> <br>  source = gst_bus_create_watch (bus);<br> <br>  g_source_set_callback (source, (GSourceFunc) func, user_data, notify);<br> <br>  /* now attach to the custom context c */<br>  id = g_source_attach (source, c);<br>  g_source_unref (source);<br>  ...<br> <br> Wim<br> <br> <br> <br> <br> ><br> ><br> > Thanks<br> > Karthik<br> ><br> ><br> > -------------------------------------------------------------------------<br> > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge<br> > Build the coolest Linux based applications with Moblin SDK & win great prizes<br> > Grand prize is a trip for two to an Open Source event anywhere in the world<br> > <a href="http://moblin-contest.org/redirect.php?banner_id=100&url=/" target="_blank">http://moblin-contest.org/redirect.php?banner_id=100&url=/</a><br> > _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> <br> <br> -------------------------------------------------------------------------<br> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge<br> Build the coolest Linux based applications with Moblin SDK & win great prizes<br> Grand prize is a trip for two to an Open Source event anywhere in the world<br> <a href="http://moblin-contest.org/redirect.php?banner_id=100&url=/" target="_blank">http://moblin-contest.org/redirect.php?banner_id=100&url=/</a><br> _______________________________________________<br> gstreamer-devel mailing list<br> <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a><br> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a><br> </blockquote></div><br></div>