Re: [Linphone-developers] LinPhone 4.x plugin - Filter linkage issue

[Martin Kastner]

Thank you!

I was afraid you'd say that. It does work now with the ITC in place.

Regards,
Martin

> On Aug 9, 2017, at 05:07, Ерохин Андрей <address@hidden> wrote:
> 
> Hello!
> 
> Each mediastream runs within it's own thread, so it's unsafe to link 
> MSFilters from different mediastreams to each other directly.
> 
> In order to safely connect them, you may use ITC 
> (mediastreamer2/src/otherfilters/itc.c).
> 
> 04.08.2017, 21:51, "Martin Kastner" <address@hidden>:
>> Hello -
>> 
>> I'm trying to integrate a plugin that analyzes the information at the output 
>> in the video/audio decoders.
>> For that purpose I created a filter object the resides in the mediastream 
>> structure - lets call it 'collector'.
>> 
>> The collector has multiple inputs and one output.
>> I am creating only a single collector that is fed by multiple decoders. The 
>> resulting graph looks somewhat like this:
>> 
>> rtp --> video decoder: output (0) +--> input (0) display
>>                                                   |
>>                                  output (1) +--> input (0)
>>                                                                     |
>>                                                                         + 
>> --> collector
>>                                                                     |
>>                                  output (1) +--> input (1)
>>                                                   |
>> rtp --> audio decoder output (0) +--> input (0) soundcard
>> 
>> (I hope the formatting prevails!)
>> 
>> The mediastreamer initializes successfully, creates all the linkages, but 
>> eventually crashes at random points unrelated to the MSfilter objects above.
>> If I create separate collectors - one for each decoder output - the 
>> mediastreamer works without issues.
>> 
>> What am I missing here?
>> 
>> Thanks for your insight.
>> Regards,
>> Martin
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