You may want to install the encoder for a few reasons: If you have a faster server than the public encoder server (which is likely to happen) or If you'd like a private way of encoding your videos
But the mandatory installation if you are using a private network. The public encoder will not have access to send the videos to your streamer site
If your server does not have a public IP or uses an IP on some of these bands:
Surely you need to install an encoder
In order for you to be able to run YouPHPTube, there are certain tools that need to be installed on your server. Don't worry, they are all FREE. To have a look at complete list of required tools, click the link below.