setZoom
Set zoom to Camera1 or Camera2. Ignored with other video source. This method is used with onTouch event to implement zoom with gestures.
Must be called with isOnPreview, isStreaming or isRecording true or will be ignored.
Set zoom to Camera1 or Camera2. Ignored with other video source.
Must be called with isOnPreview, isStreaming or isRecording true or will be ignored.