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RTP Tools

RTP Tools is a set of small applications that can be used for processing RTP data. Refer to the individual manpages for details.

  • rtpplay play back RTP sessions recorded by rtpdump
  • rtpsend generate RTP packets from textual description, generated by hand or rtpdump
  • rtpdump parse and print RTP packets, generating output files suitable for rtpplay and rtpsend
  • rtptrans RTP translator between unicast and multicast networks
  • multidump Start multiple rtpdumps simultaneously.
  • multiplay Start multiple rtpplays simultaneously.


RTP tools should compile and run on any POSIX compatible system, as well as on Windows. Some operating systems also provide a prebuilt package of RTP tools.

On UNIX, the usual ./configure && make should work. Read on for the details.


Run ./configure to configure the build for your system. This will produce three files:

  • config.h containing the #include and HAVE_ lines
  • config.log containing the details of autodetection
  • Makefile.local which defines CC, PREFIX and the like

Read the standard output and Makefile.local. If these look different from what you expected, read configure.local.example, create configure.local, and run ./configure again.

The ./configure script is accompanied by a set of simple programs autodetecting the availability of system functions (e.g. have-err.c), and whether extra libraries need to be involved (e.g. -lnsl for have-gethostbyname.c).

For C functions that might not be present in the system, we provide autoconfiguration tests and compat-*.c implementations. (e.g. compat-strtonum.c). Please report any that turn out to be missing.

Read config.log, which shows shows the compiler commands used to test the libraries installed on your system, and the standard output and standard error output these commands produce. Failures are most likely to happen if headers or libraries are installed in unusual places or interfaces defined in unusual headers. You can also look at config.h and check that the #define HAVE_* lines match your expectations.


Once the source is configured as above, run make to build RTP tools. Any POSIX-compatible make, in particular both BSD make and GNU make, should work. If the build fails, read configure.local.example again.


Run make -n install and check where everything will go. If that differs from your expectations, set the *DIR variables in configure.local and go back to running ./configure.

Install the binaries and the manpages with make install. Depending on the PREFIX (which is /usr/local by default), you might need to sudo make install or doas make install.


Open rtptools.sln on MS Visual Studio and press F7 to build.