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    macOS

    Jun 01, 2021 3 minutes

    Can’t open dashcam footage

    Q Since upgrading my MacBook Pro to Big Sur it won’t play any footage from my Thinkware F770 dashcam, and reports that it ‘cannot open files in the MPEG-4 movie format’. Why is this?

    by KEITH GIBBINS

    A One of the less prominent casualties with the loss of 32-bit software support in Catalina and Big Sur is that QuickTime codecs used to record and play back certain video and audio formats no longer work. Although most Mac apps have been updated, some older or cross-platform software still hasn’t caught up.

    You’re most. Among them are Flash Video, RealVideo, WMV and Perian codecs such as MPEG-4 and DivX.

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