[Webkit-unassigned] [Bug 283626] New: VideoMediaSampleRenderer drops more frame than it should.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=283626

            Bug ID: 283626
           Summary: VideoMediaSampleRenderer drops more frame than it
                    should.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jean-yves.avenard at apple.com

Following bug 283259, we can easily see the dropped frame count. And it is higher than it should be..

On a beefy Mac Studio M2 Ultra 24 cores, the frame dropped rate is about 0.5%

Similar to bug 283275, we see frames being dropped due to a difference in timescale.

Current Time is using a 10ns timescale
currentTime     CMTime  17150040124 1000000000ths of a second
while the sample is using a millisecond timescale
presentationEndTime     CMTime  17150 1000ths of a second       

So it is dropped. But really, it's close enough and it shouldn't be

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