backgroundSourceType

Custom background.

Enumerations

backgroundNone
0: Process the background as alpha data without replacement, only segmenting the portrait from the background. After setting this, you can call startLocalVideoTranscoder to achieve a picture-in-picture effect of the portrait.
backgroundColor
1: (Default) Background is a solid color.
backgroundImg
2: Background is an image in PNG or JPG format.
backgroundBlur
3: Background is a blurred version of the original.
backgroundVideo
4: Background is a local video in formats such as MP4, AVI, MKV, FLV, etc.