add
This method can be used to attach a VideoTrack to this view for rendering.
If a track is already attached, the previous track will be replaced. Pass null to stop rendering (equivalent to removeTrack).
Parameters
video
the VideoTrack to render, or null to ignore
See also
This method can be used to attach a VideoTrack to this view for rendering with renderer event callbacks.
Parameters
video
the VideoTrack to render, or null to ignore
renderer
the RendererCommon.RendererEvents to receive rendering callbacks (e.g., first frame rendered, frame size changed)