- Posts: 2
- Joined: Wed Jan 26, 2022 8:08 pm
- Real Name: Robert Fekete
I have been spending a lot of time unsuccessfully trying to export HEVC H.265 files to display as HDR on Vimeo and Youtube.
On tutorials that I have seen on youtube and reading through newsgroups, I have seen posters refer to "Main10" compression as opposed to "Main" compression on the H.265 pages referring to 10 bit color. I only have Main or AMD options - I have an AMD radeon rx 570 card which may not necessarily be useful here.
It appears that a bizarre output file gets produced. MediaInfo tells me it is HEVC in 8 bit but I am saving it in BT.2020 color space, which doesn't make sense.
If I export as DNxHR 444 (MXF OP-1A), the files do get recognized as 4K HDR by both Vimeo and Youtube.
For more information.
My process is to record video from Nikon Z7, original release of the camera. go to settings, output from camera in 10 bit (vs 8 bit), turn on N-log.
Record on Atomos Ninja V+ which recognizes the input at Nikon N-log.
Save to ProRes 444 HQ file. Interestingly it's forced into Rec.709 color as per MediaInfo ( atomos hdr gamut and gamma rec.709).
Import that file into Davinci Resolve Studio. Inspector in the studio shows it as 10-bit color file.
Set to advanced color management, St. 2084, on the next screen use the Nikon N-log curve and have it go to BT.2020 color space. I tried also turning HDR10plus on and off and DolbyVision on and off to master to 1000 nits.
For grading I would use the gain and gamma primary wheels. Then I use the Deliver screen to export.
No matter what I do I can't get the H.265 Main10 setting, it's always Main and it creates an 8 bit file.
I guess another way to do it would be to use an external compression like FFMPEG to create the .MOV deliverable from the MXF file. Or given that Vimeo does accept the file, download the compressed file back from Vimeo but this is a clumsier workflow than just exporting it to HEVC outright.
Thank you everyone,
Robert
On tutorials that I have seen on youtube and reading through newsgroups, I have seen posters refer to "Main10" compression as opposed to "Main" compression on the H.265 pages referring to 10 bit color. I only have Main or AMD options - I have an AMD radeon rx 570 card which may not necessarily be useful here.
It appears that a bizarre output file gets produced. MediaInfo tells me it is HEVC in 8 bit but I am saving it in BT.2020 color space, which doesn't make sense.
If I export as DNxHR 444 (MXF OP-1A), the files do get recognized as 4K HDR by both Vimeo and Youtube.
For more information.
My process is to record video from Nikon Z7, original release of the camera. go to settings, output from camera in 10 bit (vs 8 bit), turn on N-log.
Record on Atomos Ninja V+ which recognizes the input at Nikon N-log.
Save to ProRes 444 HQ file. Interestingly it's forced into Rec.709 color as per MediaInfo ( atomos hdr gamut and gamma rec.709).
Import that file into Davinci Resolve Studio. Inspector in the studio shows it as 10-bit color file.
Set to advanced color management, St. 2084, on the next screen use the Nikon N-log curve and have it go to BT.2020 color space. I tried also turning HDR10plus on and off and DolbyVision on and off to master to 1000 nits.
For grading I would use the gain and gamma primary wheels. Then I use the Deliver screen to export.
No matter what I do I can't get the H.265 Main10 setting, it's always Main and it creates an 8 bit file.
I guess another way to do it would be to use an external compression like FFMPEG to create the .MOV deliverable from the MXF file. Or given that Vimeo does accept the file, download the compressed file back from Vimeo but this is a clumsier workflow than just exporting it to HEVC outright.
Thank you everyone,
Robert