Video playback bug on Big Sur?



  • I updated mac to Big Sur beta 8 from 10.15.17.
    Vivaldi (lastest stable and snapshot) crashs frequently since then. Edge (86.0.615.3 dev) is totally fine.
    For example. Open
    https://detail.tmall.com/item.htm?id=556844109777
    when the video on the top left start to load, the page become blank and blinks with tab bar vanish for a very short while.
    Then the page loaded complete, with the video failed to play.
    If you were playing video in another vivaldi browser window, it would stop for a while and the page and tab bar become blank at the same while.
    Then if you open an online video (like bilibili.com), it problely stop playing, with Error Code:
    [Dash] mediasource-MEDIA-ERR-DECODE (PIPELINE-ERROR-DECODE: VTDecompressionSessionCreate()))


  • Moderator

    @bhanzc Thanks for the report. FYI, there are some known issues on Big Sur regarding video playback on some sites. A similar problem has also been reported here.

    Could you please file a bug report for this? Please make it very clear that you are reporting a problem with Vivaldi on a pre-release beta version of macOS. Please also include the contents of vivaldi://media-internals so that the developers can know which media decoders had been selected when you were playing video on the problematic site.

    Thanks!


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