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Author Topic: Bitstreaming ATMOS audio in mkv wrapper  (Read 386 times)

fitbrit

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Bitstreaming ATMOS audio in mkv wrapper
« on: July 20, 2024, 05:59:09 pm »

Is is possible to bitstream ATMOS audio in mkv wrapper over HDMI in the Linux version of MC?
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fitbrit

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Re: Bitstreaming ATMOS audio in mkv wrapper
« Reply #1 on: July 23, 2024, 01:42:58 am »

Bumping this and giving context. Andy Quint from The Absolute Sound magazine is currently reviewing my flagship music player. It's headless and based on Ubuntu. He's happily tested multichannel DSDs using Roon and MC32. However, he has a bunch of music bluray rips with Atmos tracks in mkv format. Now, the Windows version of MC can handle these with ease, but my goal is to get my customers away from Windows and to be able to run headlessly. We've been able to get MPV bitstreaming ATMOS, and we can send an mkv file to it using Send To > External Program. However, this is not friendly to a system that has no monitor attached.

There are a couple of more appropriate solution suggestions:
1. MC handles bitstreaming of lossless codecs like TrueHD/ATMOS and DTS-X/Master HD
2. JRemote is able to send files to an external program for playback
3. The Linux version of MC is given the Filetype options like the Windows version has. Then I could set mkv playback to be handled by MPV as a default.

Currently MC decodes ATMOS to 7.1 PCM, but cannot bitstream the ATMOS to a receiver so height channels are properly processed.
I would like MC to be able to do the bitstreaming itself, ideally.
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Hendrik

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Re: Bitstreaming ATMOS audio in mkv wrapper
« Reply #2 on: July 23, 2024, 01:49:53 am »

Bitstreaming is not implemented on Linux yet, sorry.
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~ nevcairiel
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fitbrit

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Re: Bitstreaming ATMOS audio in mkv wrapper
« Reply #3 on: July 23, 2024, 01:53:43 am »

Dare I ask whether it might be one day?
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