Quicktime only plays audio with dash cam micro card

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Level 1

49 points

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 02:48 PM

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Answer 1

Top-ranking reply

Tom Perkins1 Author

Level 1

49 points

Oct 1, 2024 02:03 PM in response to Matti Haveri

Matti, thank you for your quick reply! I tried iina but got the following screen shot. Also QT continued to just give audio. HOWEVER, I found Elmedia Video Player and it works perfectly!

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Answer 2

Urquhart1244

Level 10

145,710 points

Oct 2, 2024 01:30 AM in response to Tom Perkins1

Verify that your downloaded file is 84,692,284 bytes in size, to make sure the download was complete.

macOS should use Disk Image Mounter to open a .dmg file; part of macOS itself. Not sure how that wouldn’t be available to all users?

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Answer 3

Oct 1, 2024 04:00 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

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Answer 4

Oct 1, 2024 02:10 PM in response to Tom Perkins1

Tom Perkins1 wrote:

iina but got the following screen shot

weird. Just tried and that .dmg opens OK for me.

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Quicktime only plays audio with dash cam micro card

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