Multi pipeline logging identification

[Nicolas Dufresne]

Le vendredi 10 décembre 2021 à 18:27 +0000, vinod kesti via gstreamer-devel a
écrit :
> Hi all,
> 
> I am running multiple Gstreamer pipelines in single linux process. All the
> pipelines are similar and only udp input and output ports are chanig. 
> Log function is Registered using gst_debug_add_log_function(),  after the
> gst_init(). I am not able to identify the which pipeline dumping the error.
> 
> One way I found is if GObject is an GstElement/GstPad I am able to find the
> parent pipeline and dump the pipeline name. But I have facing problem when
> GObject in the callback is null. Is there any way to differentiate from which
> Pipeline we are getting warning.

In general we use the thread pointer (this g_thread_self() pointer) from the
logs (there by default), and use the context to deduce, but this is not easy.

> 
> 
> 
> 
> Sent from Yahoo Mail. Get the app
> 
> 
>  On Thursday, 9 December, 2021, 06:56:44 pm GMT-6, Dwight Kulkarni via
> gstreamer-devel <gstreamer-devel at lists.freedesktop.org> wrote: 
> 
> 
> Hi Vinod,
> 
> I don't know enough about the debug log to help you with that, but it doesn't
> appear to be the right architecture to have multiple pipelines that are
> similar or same with udp different ports.
> 
> I did use multiple pipelines and had to put all the similar elements into a
> single pipeline and then pull out data to multiple app sinks. Some source
> elements like v4l2src did not allow two pipelines to access them
> simultaneously (if memory serves).
> 
> Best regards.
> 
> 
> On Thu., Dec. 9, 2021, 4:16 p.m. vinod kesti, <vinodkesti at yahoo.com> wrote:
> > Hi  Dwight Kulkarni,
> > 
> > Thanks for responding. gst_bus_add_watch() handles messages.
> > GST_ELEMENT_ERROR/WARNINGS are reported on the bus but not the GST_ERROR()
> > and GST_WARNING().
> > Any help is appreciated thanks in advance.
> > 
> > 
> > 
> > 
> > Sent from Yahoo Mail. Get the app
> > 
> > 
> >  On Thursday, 9 December, 2021, 02:22:29 pm GMT-6, Dwight Kulkarni via
> > gstreamer-devel <gstreamer-devel at lists.freedesktop.org> wrote: 
> > 
> > 
> > Hi Vinod,
> > 
> > You can try registering for the Bus messages with: gst_bus_add_watch(..)
> > 
> > The GstMessage object returned can be queried for it's source object name.
> > 
> > 
> > On Thu, Dec 9, 2021 at 11:54 AM vinod kesti via gstreamer-devel
> > <gstreamer-devel at lists.freedesktop.org> wrote:
> > > Hi all,
> > > 
> > > I am running multiple Gstreamer pipelines in single linux process. All the
> > > pipelines are similar and only udp input and output ports are chanig. 
> > > Log function is Registered using gst_debug_add_log_function(),  after the
> > > gst_init(). I am not able to identify the which pipeline dumping the
> > > error.
> > > 
> > > One way I found is if GObject is an GstElement/GstPad I am able to find
> > > the parent pipeline and dump the pipeline name. But I have facing problem
> > > when GObject in the callback is null. Is there any way to differentiate
> > > from which Pipeline we are getting warning.
> > > 
> > > 
> > > 
> > > Sent from Yahoo Mail. Get the app
> > 
> > 
> > -- 
> > Sincerely,
> > 
> > Dwight Kulkarni                
> >