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avfilter/tonemapx: add dovi to hdr10 support #517

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merged 3 commits into from
Dec 22, 2024
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gnattu
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@gnattu gnattu commented Dec 20, 2024

This adds a reshape-only mode for Dolby Vision videos without a compatibility layer. In this mode, only Dolby Vision reshaping will be performed, and the output will still be in SMPTE 2084 transfer.

The GPU-based filters already support this mode. This will be useful in the future when we implement HDR transcoding.

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This adds a reshape-only mode for Dolby Vision videos without
a compatibility layer. In this mode, only Dolby Vision reshaping
will be performed, and the output will still be in SMPTE 2084
transfer.

The GPU-based filters already support this mode. This will be
useful in the future when we implement HDR transcoding.
@gnattu gnattu requested a review from a team December 20, 2024 04:10
@nyanmisaka
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Not related to this PR, have you experienced issues with vf_tonemapx not being able to exhaust all CPU cores under Linux on Alder Lake (P+E SKUs) when using -filter_threads + nullsrc to test? I have this on Linux but not on Windows.

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gnattu commented Dec 20, 2024

I've not tried bare metal as most of my Linux tests are done inside VM and such issue is unseen inside a VM.

@nyanmisaka
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I've not tried bare metal as most of my Linux tests are done inside VM and such issue is unseen inside a VM.

I'm indeed on bare metal, so perhaps the VM hypervisor eliminates this quirk.

@gnattu gnattu merged commit 819877c into jellyfin Dec 22, 2024
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@gnattu gnattu deleted the tonemapx-dovi2hdr branch December 22, 2024 15:23
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3 participants