opus stream decoding

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Step 1 install opus-tools

Step 2 extracting opus file from pcap file

Step 3 convert the opus file to .wav file, now you can enjoy the reconstructed audio ^_^

Note: the opusrtp tool may need some modification to work normally.

references:

[1] http://www.giacomovacca.com/2017/01/analysing-opus-media-from-network-traces.html

[2]https://www.callstats.io/2018/04/12/explaining-the-real-time-transport-protocol-of-srtp-for-webrtc/

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