If you use the software VMIX for your video broadcasts, you need to capture the video window of MB STUDIO VIDEO. To do this in VMIX here are the instructions
1) install the latest version of VMIX, since with the previous versions the capture of VIDEO MB STUDIO does not happen correctly
2) let's set the video window of MB STUDIO in HD 1280x720
if your stream will be 720p
or in FULL HD 1920x1080 
if your stream will be 1080p
2) let's add a new Desktop Capture source and click on Local Desktop Capture
MB STUDIO is a radio automation software that will allow you to create and manage your own radio station playing all your media files: jingles, commercials, news, songs, Files from internet, live streams, live inputs from your sound card, satellite feeds. Automatically download news and shows from Internet. Multiple overlapping files and/or live sources (mic, line, aux). Voice tracking. Integrated CD Ripper. Integrated jukebox to play songs requested via sms / email messages. Display current playlist on your web site.
MB RECASTER features an audio recorder with scheduler, a webcast module to send streams to any Shoutcast, Icecast or Windows Media server, AutoDJ function to play randomly your own audio files from up to 4 folders, a stream receiver allowing to record or recast to your server (transcoder), an audio converter from/to any format.
MB LIVE is a software that stream a live audio\video feed from any place to an MB STUDIO PRO automation in the main radio studio. MB LIVE make use of a TCPIP connection. This program is free for MB STUDIO PRO users