Expose player-led Dolby Vision target luminance through Player.Process()

[signde]

Hi,

@R3S3t9999 requested that I display the EDID target brightness in my PPI when using player-led Dolby Vision.

https://forum.kodi.tv/showthread.php?tid=388348&pid=3306586#pid3306586

Looking through the source, Kodi already reads the Dolby Vision display capabilities and calculates maximum luminance in DolbyVisionAML.cpp, but I couldn’t find a Player.Process() label exposing that value.

Would you consider adding one that returns the target maximum luminance in nits? For example, Player.Process(amlogic.dv.target.max.nits), although I’m happy with whatever naming fits your implementation.

Ideally, this would report the effective target used for player-led output, including any active VSVDB injection or override, with documented behavior when the value is unavailable.

That would let me display it in PPI using a supported interface without reading sysfs or interpreting settings myself. Having the same label and behavior across both builds would also make skin support easier.

Thanks!

[signde]

If you want to stay consistent with the other fork, this has been added as

Player.Process(video.dovi.vsvdb.max.lum)

[pannal]

Implementing in the next T4d_dev build, exposing both InfoLabels for compatibility. Thanks!

[pannal]

Switch to the beta channel in CE Settings to get the latest build, where the two InfoLabels are exposed.