Discussions

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  HDR Shows for 2-3 seconds then switches back to SDR when viewing on smartphone (S24)

  jeanrenaud asked Jan 3, 2026 in Q&A · Answered

  

  

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  Why does libultrahdr use P3 gamut and rec601 rgb2yuv matrix for API-0?

  zhengch01 asked Jun 6, 2024 in Q&A · Answered

  

  

  

  

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  Ultra HDR in WebP

  grishka asked Jan 8, 2025 in Q&A · Unanswered

  

  

  

  

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  gain map at start of file?

  jcupitt asked Feb 25, 2025 in Q&A · Unanswered

  

  

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  Client-side JS

  gregbenz started Jan 18, 2025 in General

  

  

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  Suggestion: update the "-s" flag default to 1

  gregbenz started Aug 26, 2024 in Ideas · Closed

  

  

  

  

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  Transformation support for existing gain maps: crop, resize, compress

  gregbenz asked Aug 31, 2024 in Q&A · Closed · Answered

  

  

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  Display on web?

  FlintyLemming asked Sep 9, 2024 in Q&A · Answered

  

  

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  Please add ultrahdr_app flag to allow customized minContentBoost / maxContentBoost

  gregbenz started Jun 4, 2024 in Ideas · Closed

  

  

  

  

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  Pass extraneous metadata as an input?

  gregbenz started May 14, 2024 in Ideas · Closed

  

  

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  can decode api to extract gain map metadata only?

  GrousexyHKCN asked Jul 6, 2024 in Q&A · Answered

  

  

  

  

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  Please add support for half float as an input type

  gregbenz started May 18, 2024 in Ideas · Closed

  

  

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  Tool to generate 10-bit HDR YUV in P010 colorspace?

  gregbenz asked Mar 2, 2024 in Q&A · Closed · Answered

  

  

  

  

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  uhdr_decompress()

  MajorMurphy asked May 21, 2024 in Q&A · Answered

  

  

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  Validating sources as containing a gain map?

  gregbenz asked May 13, 2024 in Q&A · Closed · Answered

  

  

  

  

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  Why the api2 demo use -t 1 paramater?

  GerrieWell asked Mar 20, 2024 in Q&A · Unanswered

  

  

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  3d maps?

  gregbenz asked Mar 1, 2024 in Q&A · Closed · Unanswered

  

  

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  Support for resizing and cropping?

  gregbenz asked Nov 5, 2023 in Q&A · Closed · Answered

  

  

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  Welcome to libultrahdr Discussions!

  arifdikic announced Oct 25, 2023 in Announcements

  

  

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