stream-webrtc-android/org.webrtc/VideoFrameDrawer/drawFrame

drawFrame

open fun drawFrame(frame: VideoFrame, drawer: RendererCommon.GlDrawer)
open fun drawFrame(frame: VideoFrame, drawer: RendererCommon.GlDrawer, additionalRenderMatrix: Matrix)
open fun drawFrame(frame: VideoFrame, drawer: RendererCommon.GlDrawer, @Nullable additionalRenderMatrix: Matrix, viewportX: Int, viewportY: Int, viewportWidth: Int, viewportHeight: Int)