w3c / openscreenprotocol

Open Screen Protocol
https://www.w3.org/TR/openscreenprotocol/
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MIME types and metadata encoding for Dolby Vision formats #306

Open markafoltz opened 2 years ago

markafoltz commented 2 years ago

This issue tracks some open comments on PR #300 by @chrisn.

From https://github.com/w3c/openscreenprotocol/pull/300#issuecomment-1295041404:

Dolby has registered a number of MIME types to represent their proprietary HDR metadata encodings, so remote playback capability detection for these formats would be handled by the remote-playback-source message, which accepts full MIME types.

I see. If we need to we can follow this up with them via the new A/V Media Formats CG, which started at TPAC 2022.

From https://github.com/w3c/openscreenprotocol/pull/300#issuecomment-1297446270:

Thanks. I've asked a colleague for advice on this part:

[2] Unclear if this happens in practice as HLG support may be a proprietary profile of Dolby Vision and not part of smpteSt2094-10.