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  8. USER MANUAL
  10. Function Configuration
  12. Video source
  14. Add SRT source

Add SRT source

1) Add an SRT source on WEB page by "Media"–"Add Source"–"SRT".
file
SRT source parameters description as below:
Name: You can name it freely, letters and numbers combination;
Connection Mode: Caller, Listener, Rendezvous;
URL address: When using the CALLER mode, the URL address is: srt:// the peer public IP address: port; when using the LISTENER mode, the URL address is: srt://:port
Address: Set IP address of the receiving port;
Port: Configure a listening port which should be consistent with the sending port;
Latency: It depends on the performance of your current network. The Latency can be set at both ends of the SRT source and the SRT target device, and the larger of the two values will be selected as the SRT transmission delay;,
Encryption Mode: AES-128, AES-192 and AES-256;
Key: encryption key, fill in 10-32 letters or numbers according to the encryption method;
Bandwidth Overhead: Percentage value that configured according to your network conditions. Multiply this percentage value by the total video and audio bitrate encoded by the encoder to get the maximum bandwidth occupied by the overhead allowed by Bandwidth Overhead. The sum of this value and the video and audio bitrate is the current SRT transmission bandwidth threshold, which is also the maximum bandwidth available for SRT streams. From the perspective of "overhead", it is the extra "invalid" bandwidth to be used in addition to the media content required for transmission (it can be understood as a payload), but it is different from those common protocol overlay, TCP header overhead or UDP header overhead. The bandwidth overhead here is not a fixed 20~60 bytes TCP header overhead or 8 bytes UDP header overhead, but changes in real time according to the network conditions. The worse the network link conditions, the more the required transmission. The setting range is 5%~100%, and the default size is 25%;
Payload size: The sending data packet size. The receiver should match the same size of the data packet sent. The default size is 1316, which is the optimal packet size for encoding and decoding.

2) Please drag the added SRT source to the output window, and the decoder starts to listen for SRT requests, it will establish the SRT connection while receiving the right SRT "Call". After connected, the status will show “Pull”.

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