setWatermark abstract method

Set watermark

This API adds a watermark to the local video stream. The watermark will be displayed in the top-left corner of the video by default, but you can adjust its position and size.

Parameters:

• imagePath(String):
  • Path to the watermark image file. Supported formats: JPG, PNG.
  • Example paths:
    • Android: /storage/emulated/0/Android/data/com.tencent.rtc.flutter.example/files/watermark.png
    • iOS: /Library/Caches/watermark.png
• streamType(TRTCVideoStreamType):
  • Video stream type to which the watermark is added (TRTCVideoStreamType.big or TRTCVideoStreamType.sub).
• x(double):
  • X coordinate of the watermark's top-left corner (normalized to 0.0–1.0).
• y(double):
  • Y coordinate of the watermark's top-left corner (normalized to 0.0–1.0).
• width(double):
  • Width of the watermark (normalized to 0.0–1.0).

Note:

• This API is currently not supported on macOS and Windows.