Introduction

  • RDK TV Picture Settings feature is implemented via RDK TV Settings thunder service which provides TV applications an interface to change TV picture settings.
  • RDK TV Settings provides configurable options to change TV Picture settings based on viewing/picture modes and content format.
  • Persists the picture setting values changed by TV applications in a non-volatile area and re applies them on every bootup.
  • Provides default values for all picture settings.
  • SoC picture quality drivers are responsible for handling content format change, source change and picture mode change events. Apply appropriate picture settings in response to these events

Software stack

Parameters

  •  RDK TV Settings thunder module provides RESTFULL thunder APIs to get/set/reset following picture settings parameters. All parameters below except aspect ratio can be changed individually for every picture modes.
    • Backlight
    • Brightness
    • Contrast
    • Color temperature
    • Contrast
    • Dolby modes bright and dark.
    • Hue
    • Saturation
    • Sharpness
    • Dimming modes
    • Aspect ratio
    • Custom white balance
    • Component Hue/Saturation/Luma

Customization

  • Application of every picture setting parameters can be customized for every product based on the following rules as specified in /etc/tvproduct_config.ini file.
    • Format classification
      • 0 = Applies for all Content Formats.
      • 1 = Applies to current content format only.
      • 2 = Applies for current Content Format Group SDR or HDR (HDR10/HDR10+/HLG/DV) only.
      • 3 = Applies to DV Content format only
      • 4 = Applies for all content formats except Dolby
      • 5 = Applies to HDR10 content format only
      • 6 = Applies to HLG content format only
    • Mode Classification
      • 0 = Applies for all viewing modes.
      • 1 = Applies for current viewing mode. 


Customization example of few parameters (/etc/tvproduct_config.ini )

[set]

Description


backlight_format  = 2

Changing backlight applies for current Content Format Group SDR or HDR (HDR10/HDR10+/HLG/DV) only.

backlight_mode  = 0Changing backlight applies for all picture modes
aspectratio_format  = 0Changing aspect ratio applies for all Content Formats
aspectratio_mode  = 0Changing aspect ratio applies for all picture modes
autobacklight_format  = 0Changing auto backlight applies for all Content Formats
autobacklight_mode  = 0Changing auto backlight applies for all picture modes
dvmode_format  = 3Changing dolby vision mode applies to DV Content format only
dvmode_mode  = 0Changing dolby vision mode applies for all picture modes
sharpness_format  = 2

Changing sharpness applies for current Content Format Group SDR or HDR (HDR10/HDR10+/HLG/DV) only.

sharpness_mode  = 1Changing sharpness applies for all picture modes
[reset]



backlight_format  = 0Resetting backlight applies for all Content Formats
backlight_mode  = 0Resetting backlight applies for all picture modes
aspectratio_format  = 0Resetting aspect ratio applies for all Content Formats
aspectratio_mode  = 0Resetting aspect ratio applies for all picture modes
autobacklight_format  = 0Resetting auto backlight applies for all Content Formats
autobacklight_mode  = 0Resetting auto backlight applies for all picture modes
dvmode_format  = 3Resetting dolby vision mode applies to DV Content format only
dvmode_mode  = 0Resetting dolby vision mode applies for all picture modes
sharpness_format  = 0

Resetting sharpness applies for all Content Formats

sharpness_mode  = 1Changing sharpness applies for all picture modes

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