What you are showing us is playing a file: sintel.mp4, which is vod (video on demand) streaming. Please follow this guide for video on demand streaming:
https://www.wowza.com/docs/how-to-set-up-video-on-demand-streaming
For Wirecast follow this guide for live streaming with RTMP encoder (which is what already have setup in the application named “live”):
https://www.wowza.com/docs/how-to-set-up-live-streaming-using-an-rtmp-based-encoder
Richard