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Frequent Advisor
apple_a11
Posts: 51
Registered: ‎28-10-2010

Video Freeze until change resolution

I have a problem that is , 

 

At first, we start two way video converstation (our STB to pc).

Then, we limit pc upload data rate about 50bit/s.

we would see STB side receive path video is freeze.

After we unlimit pc side data rate, STB side receive path video until resolution change.

But this waiting time is too long.

This test is for simulate when network condition  is poor.

 

So, Does runtime have any api just like RequestKeyFrame to recovery it?

 

 

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Master Coder
JoshuaElliott
Posts: 513
Registered: ‎12-05-2010

Re: Video Freeze until change resolution

We had wanted an API to request an i-frame too:

http://devforum.skype.com/t5/Video-RTP/force-skypekit-to-request-a-key-frame/m-p/3654#M338

 

From memory there was talk of implementing this in the API?

Perhaps raise this in:

http://devforum.skype.com/t5/Feature-Requests/idb-p/SDK_Ideas_Board

 

However in your case, perhaps the feature request would be that if Skype itself noted the improvement in traffic flow / Jitter buffer had emptied etc, it would request an i frame. 

In my opinion the Video host should only request key frames if the enc/decoder has had a problem and had to reset.

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