AVI
From Just Solve the File Format Problem
				
								
				
				
																
				
				
								
				Audio Video Interleave (AVI) is a video container format originally developed by Microsoft and IBM and based on the RIFF wrapper format. AVI is itself a wrapper that can enclose video bitstreams in many encodings, including Indeo, Sorenson, and Cinepak.
References
- Wikipedia:Audio Video Interleave
 - DV Data in the AVI File Format Specification, Version 1.01 Microsoft, 1997
 - AVI description Probably extracted from Video for Windows Programmer's Guide
 - Copy of Chapter 4: AVI Files from Video for Windows Programmer's Guide 1993
 - RIFF-AVI FILE FORMAT
 - Documention page from abcAVI Tag Editor site Has links to copies of AVI documentation at bottom.
 - Overview of Video for Windows, DirectShow (ActiveMovie), and AVI by John F. McGowan, 1996-2004
 - WAVE and AVI Codec Registries (Historic Registry) Hosted by IANA. Implies use of video/vnd.avi as mimetype.