getVideoWidth
Gets the width of the currently configured video data source.
Return
the width of the video, or 0 if there is no video, no display surface has been set, or the width has not yet been determined. Once the CypressMediaPlayer is prepared, you can obtain the real-time video width. You can register a CypressMediaPlayerCallback via registerCypressMediaPlayerCallback to receive a notification when CypressMediaPlayer is prepared and the width becomes available.