This is the original mkv.
<img width="776" alt="mkv" src="https://user-images.githubusercontent.com/40682277/204077854-bf062da3-2060-4e1e-a234-c6d401b4f1d8.png">

This is the result of remuxing mkv to mp4 on Windows. As you can see the Dolby Vision metadata is preserved.
<img width="607" alt="mp4_windows" src="https://user-images.githubusercontent.com/40682277/204077870-76ebc93f-f341-4f58-b05e-66104f2c5c95.png">

This is what I tried on Linux. As you can see the Dolby Vision metadata is lost.
<img width="325" alt="mp4_rinux" src="https://user-images.githubusercontent.com/40682277/204077885-803af644-77b0-466d-a182-3ecb23734316.png">

Tried with nightly builds on both Windows and Linux.
When trying to mkv to mp4 remux on linux, dolby vision metadata is not maintained.
This is a GitHub Issue
repo:gpac
owner:gpac
Title : When trying to mkv to mp4 remux on linux, dolby vision metadata is not maintained.
Issue date:

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This is the original mkv.
<img width="776" alt="mkv" src="https://user-images.githubusercontent.com/40682277/204077854-bf062da3-2060-4e1e-a234-c6d401b4f1d8.png">

This is the result of remuxing mkv to mp4 on Windows. As you can see the Dolby Vision metadata is preserved.
<img width="607" alt="mp4_windows" src="https://user-images.githubusercontent.com/40682277/204077870-76ebc93f-f341-4f58-b05e-66104f2c5c95.png">

This is what I tried on Linux. As you can see the Dolby Vision metadata is lost.
<img width="325" alt="mp4_rinux" src="https://user-images.githubusercontent.com/40682277/204077885-803af644-77b0-466d-a182-3ecb23734316.png">

Tried with nightly builds on both Windows and Linux.
--- end body ---

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