How to enable in-band FEC for Opus codec

As a reader may know UDP network protocol does not support either message retransmission or acknowledge. It means that all these problems are supposed to be handled at the application level. In audio/video transmission domain the problem is usually solved with forward error correction technique. The idea is to add... [Read More]

Using strace for debugging

Debugging is an important part of software engineering and every developer has a few debugging tools in his toolbelt. Usually, I use logs and a debugger and that’s enough for my everyday work. But lately, I had to work with an open source SIP client called baresip. Baresip is a... [Read More]