RESOLVED CONFIGURATION CHANGED214787
qpSum is always 0 in WebRTC stats 
https://bugs.webkit.org/show_bug.cgi?id=214787
Summary qpSum is always 0 in WebRTC stats
Dan
Reported 2020-07-25 10:17:34 PDT
Support for qpSum in WebRTC stats was added in https://bugs.webkit.org/show_bug.cgi?id=170060, but it seems like the value is always 0.
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Radar WebKit Bug Importer
Comment 1 2020-07-25 13:19:19 PDT
<rdar://problem/66108343>
Dan
Comment 2 2020-07-30 12:06:32 PDT
Created a simple repro: https://codepen.io/dbriggs/pen/wvMLREG.
Dan
Comment 3 2020-07-30 12:12:41 PDT
I noticed in the original change that qpSum was being reset to 0 immediately after being set to the correct value http://trac.webkit.org/browser/webkit/trunk/Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.cpp?rev=214368#L273. Not sure if that was changed at some point later though!
youenn fablet
Comment 4 2020-08-05 05:30:10 PDT
Fixed in https://trac.webkit.org/changeset/262726
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