CaptureBrightnessLevelType
The brightness level of the video image captured by the local camera.
Enumerator
- captureBrightnessLevelInvalid
 - -1: The SDK does not detect the brightness level of the video image. Wait a few seconds to get the brightness level from captureBrightnessLevel in the next callback.
 - captureBrightnessLevelNormal
 - 0: The brightness level of the video image is normal.
 - captureBrightnessLevelBright
 - 1: The brightness level of the video image is too bright.
 - captureBrightnessLevelDark
 - 2: The brightness level of the video image is too dark.