Wireshark-dev: Re: [Wireshark-dev] saving data in pcap file format
From: Chris Maynard <chris.maynard@xxxxxxxxx>
Date: Mon, 11 Oct 2010 14:31:21 +0000 (UTC)
Lange Jan-Erik <Jan-Erik.Lange@...> writes:

> I want to analyze an usb datastream with wireshark. To record the data I use a
proprietary development that uses libusb to receive the data.
>  

Have you looked into usbmon?  http://wiki.wireshark.org/CaptureSetup/USB