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Quicktime only plays audio with dash cam micro card

I have tried repeatedly to get video from QuickTime but only audio appears. I am certainly techno impaired but never had a problem before. I just upgraded to Sequoia.

MacBook Air, macOS 15.0

Posted on Sep 30, 2024 2:48 PM

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4 replies

Oct 1, 2024 4:00 AM in response to Tom Perkins1

What movie codec and details does the movie have? You can check them with MediaInfo or Invisor.


For example: H.265 Codec ID hev1 has an error message "This file contains some media that isn't compatible with QuickTime Player" and plays audio only. There is a lossless fix if you install ffmpeg and add '-tag:v hvc1' without re-encoding in the Terminal:


ffmpeg -i input.mp4 -c copy -tag:v hvc1 output.mp4


An easy workaround is to play such movie with IINA.


https://iina.io

Quicktime only plays audio with dash cam micro card

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