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@@ -130,6 +130,10 @@ this.addEventListener("message", function(e) {
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// ff more precise with 1 upload stream
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settings.xhr_ulMultistream = 1;
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}
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+ if (typeof s.xhr_ulMultistream === "undefined") {
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+ // ff performance API sucks
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+ settings.ping_allowPerformanceApi = false;
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+ }
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}
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if (/Edge.(\d+\.\d+)/i.test(ua)) {
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if (typeof s.xhr_dlMultistream === "undefined") {
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@@ -608,15 +612,17 @@ function pingTest(done) {
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//try to get accurate performance timing using performance api
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var p = performance.getEntries();
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p = p[p.length - 1];
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- var d = p.responseStart - p.requestStart; //best precision: chromium-based
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- if (d <= 0) d = p.duration; //edge: not so good precision because it also considers the overhead and there is no way to avoid it
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+ var d = p.responseStart - p.requestStart;
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+ if (d <= 0) d = p.duration;
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if (d > 0 && d < instspd) instspd = d;
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} catch (e) {
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//if not possible, keep the estimate
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- //firefox can't access performance api from worker: worst precision
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tverb("Performance API not supported, using estimate");
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}
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}
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+ //noticed that some browsers randomly have 0ms ping
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+ if(instspd<1) instspd=prevInstspd;
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+ if(instspd<1) instspd=1;
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var instjitter = Math.abs(instspd - prevInstspd);
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if (i === 1) ping = instspd;
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/* first ping, can't tell jitter yet*/ else {
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adolfintel