FFmpeg does not recognise dolby vision hevc tags

[Caleb Evans]

Summary of the bug:
FFmpeg does not recognise the dvh1 or dvhe tags for HEVC, which are hvc1 and hev1 samples with Dolby Vision encoding, as here: ​https://developer.apple.com/documentation/http_live_streaming/http_live_streaming_hls_authoring_specification_for_apple_devices/hls_authoring_specification_for_apple_devices_appendixes

When attempting to use the tag the following output is produced:

[mp4 @ 0x15770bf00] Could not find tag for codec hevc in stream #0, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:2 -- 

How to reproduce:

% ffmpeg -i input.mkv -c:v copy -tag:v dvh1 -c:a copy -c:s mov_text -strict unofficial output.mp4
ffmpeg 5.1.2

[Balling]

dvh1 or dvhe tags for HEVC

Those tags are always used with normal tag.

[Caleb Evans]

They are not, they replace the normal tag if the encode only supports Vision.

[Balling]

They are not, they replace the normal tag if the encode only supports Vision.

You mean profile 5?

[Caleb Evans]

Yes, the video I'm trying to remux is profile 5

[Dominik Mierzejewski]

Possible patch from HandBrake to fix this:
https://ffmpeg.org/pipermail/ffmpeg-devel/2023-June/311231.html

​https://github.com/HandBrake/HandBrake/blob/master/contrib/ffmpeg/A15-movenc-enable-dvh1.patch