USB Picture Transfer Protocol (PTP) and Media Transfer Protocol (MTP)

Note: not to be confused with Precise Time Protocol -- All references in the code and filters are disambiguated as "USB-PTP" instead.

These are protocols used to communicate to digital cameras and media players.

Background:

• https://en.wikipedia.org/wiki/Picture_Transfer_Protocol

• https://en.wikipedia.org/wiki/Media_Transfer_Protocol

• http://www.usb.org/developers/devclass_docs/MTP_1.0.zip

• http://download.microsoft.com/download/f/1/3/f13df1a5-6ce4-4907-86a0-6ce5c3560639/MTP_Enhanced.exe

• http://www.usb.org/developers/devclass_docs/usb_still_img10.pdf

Wireshark Support:

A new dissector was created by Max Baker in the 1.9.1 timeframe. See https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8431 and http://nikonhacker.com/viewtopic.php?t=708&f=2

Imported from https://wiki.wireshark.org/USB-PTP on 2020-08-11 23:27:06 UTC