Dash getStats() return a negative Live Latency

[enricovittorini]

the LiveLatency returned byt eh getStats() the Live Latency is negative (will share URI privately)

What version of Shaka Player are you using?
4.16.13

Can you reproduce the issue with our latest release version?
YES

Can you reproduce the issue with the latest code from main?
did not try

Are you using the demo app or your own custom app?
both

If custom app, can you reproduce the issue using our demo app?
YES

What browser and OS are you using?
Chrome Version 143.0.7499.170 (Official Build) (64-bit)

For embedded devices (smart TVs, etc.), what model and firmware version are you using?
None

What are the manifest and license server URIs?

What configuration are you using? What is the output of player.getNonDefaultConfiguration()?

With player based on npm package

{
    "manifest": {
        "dash": {
            "clockSyncUri": "https://time.akamai.com/?ms&iso"
        }
    },
    "streaming": {
        "retryParameters": {
            "maxAttempts": 3
        },
        "lowLatencyMode": false
    },
    "cmcd": {
        "sessionId": "19a34d42-957c-41d7-9066-34cd82e82ab8"
    }
}

but same issues with the https://shaka-player-demo.appspot.com/demo

What did you do?
Just play the stream and collect the stats with getStats() method.
liveLatency reports a negative value

What did you expect to happen?

What actually happened?

liveLatency : -3.606

Are you planning to send a PR to fix it?
NO

[avelad]

@joeyparrish can you review it? Thanks!