private void updateVideoTexture() {
        PortalScene portal = getNodeJni() != null ? getNodeJni().getParentPortalScene() : null;
        if (portal != null && mVideoTextureJni != null) {
            portal.setBackgroundTexture(mVideoTextureJni);
        }
    }
Contains a VideoTexture that is set as a background video on the scene.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/VRT360Video.java