From: Kacper Michajlow <kasper93@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] avfilter: add inverse tone mapping
Date: Sat, 19 Jul 2025 16:47:28 +0200
Message-ID: <CABPLASQ=hitTFf6CTazp1tpLUDV_cUHTLK2S71yse23R+Et2mg@mail.gmail.com> (raw)
In-Reply-To: <BN0PR02MB78872FBADDFD8A13D1DEA6ECD453A@BN0PR02MB7887.namprd02.prod.outlook.com>
On Sat, 19 Jul 2025 at 16:13, Sarthak Indurkhya via ffmpeg-devel <
ffmpeg-devel@ffmpeg.org> wrote:
> Hello FFmpeg developers,
> This patch introduces a new video filter called inversetonemap for FFmpeg.
> The filter performs SDR to HDR conversion by mapping SDR BT.709 video to
> HDR BT.2020 PQ, using local adaptation and inverse tone mapping. The goal
> is to provide a simple, flexible tool for upconverting SDR content for HDR
> displays, with local adaptation, tone curve sensitivity, and chroma
> processing.
>
> Please review.
> Thanks,
> Sarthak
>
>
>
Interesting. Could you describe what are the advantages of the new filter,
compared to existing solutions like vf_libplacebo inverse tone mapping?
Additionally if there is a big gap in libplacebo's inverse tone mapping
quality would you be interested in improving the libplacebo implementation
in addition to this filter? I think there would be a gain in having real
time gpu implementation too.
- Kacper
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next prev parent reply other threads:[~2025-07-19 14:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-19 14:13 Sarthak Indurkhya via ffmpeg-devel
2025-07-19 14:47 ` Kacper Michajlow [this message]
-- strict thread matches above, loose matches on Subject: below --
2025-07-05 18:20 Sarthak Indurkhya via ffmpeg-devel
2025-07-08 1:06 ` Michael Niedermayer
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