ortp

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What is it ?

oRTP is a LGPL licensed C library implementing the RTP protocol (rfc3550). It is available for most unix clones (primilarly Linux and HP-UX), and Microsoft Windows.

What are the build prequisites ?

libc library and header files.

How do you I test ?

There are shorts and easy to understand programs given with the library. There are good example to understand how to use oRTP api.

• rtpsend : sends a stream from a file on disk.
• rtprecv : receives a stream and writes it to disk.
• mrtpsend: sends multiple streams from a file on disk to a range of remote port.
• mrtprecv: receives mutiple streams on a range of local ports and writes them on disk.

Is there some documentation ?

See the doxygen generated API documentation in docs/html. Program examples are a very good starting point.

What are the current features ?

- works with ipv6
- packet scheduler
- adaptive jitter compensation
- automatic sending of RTCP SR or RR coumpounded with a SDES
- RTCP parser API

What are the planned features ?

- multi-endpoint rtp sessions.

In which application oRTP is being used ?

- linphone (http://www.linphone.org) was the first.
- the OCMP platform (a Hewlett Packard product).

How to compile my program using ortp ?

gcc -o myprogram pkg-config --cflags ortp myprogram.c
pkg-config --libs ortp

What about Windows port ?

There are instructions and Microsoft Visual C++ project files in build/win32native/oRTP.