1793908 - Add HDR metadata for playing HDR through video overlay on Windows

Status: NEW

(Core :: Graphics, enhancement)

Description

[Sotaro Ikeda [:sotaro]]

As chromium, it is better to set OutputHDRMetaData to video overlay on Windows.
https://source.chromium.org/chromium/chromium/src/+/main:ui/gl/swap_chain_presenter.cc;l=1393

Comment 1

[Sotaro Ikeda [:sotaro]]

Attachment: WIP: Bug 1793908 - Add HDR tone mapping for playing HDR through video overlay on Windows

Comment 2

[Sotaro Ikeda [:sotaro]]

I looked into more. It is necessary when HDR video is played on video overlay. The VideoProcessorSetOutputHDRMetaData() is used for HDR Tone mapping.

pages related to HDR tone mapping.

https://docs.google.com/document/d/1_lJarjXlrYNq4cy0WB4BMTUrPpurNpcPPhp4xBtX5LY/edit#
https://docs.google.com/document/d/1h_I2jfsfTu007W6hdQtEA4ggwU2KzoZsU81hKQyIHW8/edit#

https://bugs.chromium.org/p/chromium/issues/detail?id=1286076
https://bugs.chromium.org/p/chromium/issues/detail?id=1216691
https://bugs.chromium.org/p/chromium/issues/detail?id=1122910
https://source.chromium.org/chromium/chromium/src/+/b9bd197093c14555ab45181bcbae472497b2d324

https://www.veneratech.com/hdr/

Comment 3

[Sotaro Ikeda [:sotaro]]

On chromium, general HDR Tone mapping is done by gfx::ColorTransform
https://source.chromium.org/chromium/chromium/src/+/main:ui/gfx/color_transform.h