Wireshark mailing list archives
Jitter Buffer in Wireshark
From: Krzysztof Cabaj <kcabaj () gmail com>
Date: Thu, 10 Dec 2009 22:52:53 +0100
Hi, Due to my research concerning jitter buffer, I tried to use Wireshark to evaluate a number of packets dropped by buffer. However, there is no description of jitter buffer implementation in Wireshark. Therefore, I have verified source codes for version 1.2.4. I analyzed file gtk/rtp_player.c and function decode_rtp_stream. And, I have few concerns. There is no real buffer, but only a number representing hypothetical buffer size (variable jitter_buffer). Packets are “dropped” when variable diff is greater than jitter_buffer (line 758). Variable diff represents absolute value in ms between real time of receiving this packet and time when this packet should be received (line 742). I would be very grateful if somebody who know this part of code could confirm these? Regards, Krzysztof Cabaj ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev () wireshark org> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-request () wireshark org?subject=unsubscribe
Current thread:
- Jitter Buffer in Wireshark Krzysztof Cabaj (Dec 10)
- Re: Jitter Buffer in Wireshark Jaap Keuter (Dec 10)