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
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Software stack
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Picture Settings – Software stack
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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 )