I have a .pcap file after capturing voice packets. I now want to filter RTP packets (with header). When I select stream I am interested in and do "follow UDP stream" I get the udp payload (RTP including the header). But for all the packets captured there is no packet size. My application would want a 4 byte "packet length" before each packet. How can I get this fro wireshark. Thanks for the help in advance. asked 02 Aug '11, 09:23  shailesh |
One Answer:
There is no way to do that with "Follow UDP Stream" unless you change the source code and recompile Wireshark. It might be easier to write a little script/program that uses the libpcap library to extract the UDP payload and save it with a length header in front of it. Then you can feed the individual RTP streams to it... answered 03 Aug '11, 01:25  SYN-bit ♦♦ |
