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StatsForNerds: cleanup and plot packets lost #1414

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merged 1 commit into from
Oct 18, 2024

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Williangalvani
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Adds a new red plot line for (instant) packet loss.
useful for correlating video freezes to packet loss

@@ -138,13 +142,15 @@ const webrtcStats = new WebRTCStats({ getStatsInterval: 100 })
function update(): void {
framerateData.value.push(framerate)
bitrateData.value.push(bitrate)
packetLostData.value.push(Math.min(packetLostDelta, maxPacketLost))
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Won't this put a roof on 10?

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yes. the reasoning here is that the number of lost packets is not as relevant as the fact that packets were lost, so if I left it "unbounded", and we had 1000 packets lost between two messages, our ceiling would go to 1000. If we then lost 1 packet, it would be so small in the plot we wouldn't be able to see them.

image
In this image, for instance, I don't really care about how many packets were lost. I care that they were lost and we managed to recover.
Does that make sense?

TLDR: I put a low value so we can always notice EVERY packet lost

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Makes a lot of sense!

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@rafaellehmkuhl rafaellehmkuhl left a comment

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lgtm

@rafaellehmkuhl rafaellehmkuhl merged commit 6ac295c into bluerobotics:master Oct 18, 2024
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@Williangalvani Williangalvani deleted the stast-updates branch October 18, 2024 17:49
@ES-Alexander ES-Alexander added the docs-needed Change needs to be documented label Nov 11, 2024
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3 participants