Aw: Re: Re: GStreamer application access violation in random locations

[pfarmer]

Thanks! 

It seems to work better.  I noticed though that both logging function are active in that case (tested ith a standalone application). 

  

The crashing does never happend in a standalone application, so unfortunetly i cannot reproduce it there.  It may also arrise from multiple calling, so I added a protection like so: 

if (!gst_is_initialized())

	{ 

		gst_debug_set_default_threshold(GST_LEVEL_LOG); 

		gst_debug_add_log_function(&gstLogFunction, NULL, NULL); 

		gst_debug_remove_log_function(&gst_debug_log_default); 

		gst_init(NULL, NULL); 

	} 


  

BR 

 

Gesendet: Dienstag, 05. Januar 2016 um 14:06 Uhr 
Von: "Sebastian Dröge-3 [via GStreamer-devel]" <ml-node+s966125n4675117h29 at n4.nabble.com> 
An: pfarmer <flacone at gmx.de> 
Betreff: Re: Aw: Re: GStreamer application access violation in random locations 

On Di, 2016-01-05 at 04:36 -0800, pfarmer wrote:


> Hello, 
>   
> I am not able to crash the function I posted before earlier. It 
> crashed for sure once, but it may have been realated to some logging 
> initialization that were still in memory at Simulink. So I narrowed 
> it down to the debugging functions of gstreamer. Here the new minimal 
> s-function that crashes every now and then: 
>  [...] 
>   
> Note that it also crashes with the empty gstLogFunction(). 
> I would like however "redirect" the the gstreamer messages to the 
> Simulink output. So I would like to use those functions. 
> Does someone know what I could do to avoid the crashing? 

This probably does not crash if you first add your log function, then 
remove the old one and only then call gst_init(). And make sure that 
these 3 things are only ever done once per process. 

That's only a workaround though, somewhere there is a bug hiding. Can 
you also reproduce this in a standalone application?  

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com 


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