NAME

rtpplay — play back RTP sessions recorded by rtpdump

SYNOPSIS

DESCRIPTION

rtpplay reads RTP session data in a format recorded by “rtpdump -F dump” from standard input and resends the traffic to the given address/port, optionally with a given value of ttl. The address defaults to “localhost”. The port number must be an even number.

The options are as follows:

-b time

Skip the first time seconds of input.

-e time

Only use the first time seconds of input.

-f infile

Read input from the given infile instead of from standard input.

-h

Print a short usage summary and exit.

-s port

Send packets from the specified port. By default, packets are sent from a random port.

-T

Time the outgoing RTP packets according to the arrival time. By default, the RTP timestamps are used for timing instead, which smooths jitter and restores the original packet sequence. RTCP packets are always sent with their arrival timing, which may change the relative order of RTP and RTCP packets.

-v

Print the packets to standard output as they are sent out. By default, rtpplay operates silently.

SEE ALSO

rtpdump(1), rtpsend(1)

AUTHORS

rtpplay was written by Henning Schulzrinne <hgs@cs.columbia.edu>, with enhancements by Ping Pan, Akira Tsukamoto <akira.tsukamoto@gmail.com>, Jan Stary <hans@stare.cz>, and Jan Janak <janakj@cs.columbia.edu>.