STR: Download http://people.mozilla.org/~jmuizelaar/4k/Bosnian%20Landscapes%204K%20(UHD)-goQMXfiS-dA.webm Play from local disk. Play back is stutter and stops every now and then.
Component: Audio/Video → Audio/Video: Playback
Frankie does this reproduce for you?
WFM in FFDE 59 on Mac 10.13.4 The URL provided by the reporter is no longer valid, so I grabbed a 4K demo video from Wikimedia Commons. Using either web or local disk playback, my MBP played the video smoothly with no stutters and low CPU usage.
Status: NEW → RESOLVED
Last Resolved: 5 months ago
Resolution: --- → WORKSFORME
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