3IVX	3ivx	3IVX	MPEG4-based codec. 
ABYR	?	Kensington?	? 
AEMI	Array VideoONE MPEG1-I Capture	Array Microsystems	Array's codec used for I frame only MPEG1 AVI files 
AFLI	Autodesk Animator codec	Autodesk	AVI equivalent of Autodesk's native FLI file format (presumably). 
AFLC	Autodesk Animator codec	Autodesk	AVI equivalent of the FLC native file format (presumably). 
AMPG	Array VideoONE MPEG	Array Microsystems	Codec for Array VideoONE hardware-based MPEG compression system. 
ANIM	RDX	Intel	? 
AP41	AngelPotion Definitive	AngelPotion	Another hacked version of Microsoft's MP43 codec. This can be downloaded from the Codec Warehouse or from AngelPotion. One source recommends against installing this codec "due to its occasional tendency to modify client structures". 
ASV1	Asus	Video	Asus	Codec supplied with the Asus TNT Video Capture adapter. 
ASV2	Asus	Video (2)	Asus	New codec from Asus. Beta level is available from linked FTP site. 
ASVX	Asus	Video 2.0	Asus	Unusual codec which stores audio in the .avi file but puts the video in a companion .asv file. Click here for information on how to play back these files on Windows 2000 PCs. 
AUR2	Aura	2 Codec - YUV 422	Auravision	? 
AURA	Aura	1 Codec - YUV 411	Auravision	? 
BINK	Bink	Video	RAD Game Tools	I'm not sure if this is available as a standard Windows codec but the web site makes it sound interesting enough to list here even if it does require non-standard tools to use. 
BT20	Prosumer Video	Conexant	Codec optimised for realtime compression of YUV images. 
BTCV	Composite Video Codec	Conexant	I could have sworn that this was supposed to be BTVC but Microsoft's site lists it as BTCV. 
BW10	Broadway MPEG Capture/Compression	Data Translation	Codec for Broadway hardware-based MPEG compression system. 
CC12	YUV12 Codec	Intel	? 
CDVC	Canopus DV Codec	Canopus	Allegedly used with digital video cameras. The Canopus download page has a free software-only version of this codec which will install on machines which are not equipped with their capture hardware. 
CFCC	DPS Perception	Digital Processing Systems	Native format used when capturing AVIs using a DPS Perception adapter. 
CGDI	Camcorder Video	Microsoft	AVI format used by Office 97 camcorder application. 
CHAM	Caviara Champagne	Winnov	? 
CJPG	WebCam JPEG	Creative Labs	Used by Creative Video Blaster Webcam Go control. See here for info on how to download and install this codec. 
CPLA	YUV 4:2:0	Weitek	This sounds like an uncompressed format to me. Anyone know? 
CRAM	Microsoft Video 1	Microsoft	Allegedly identical to MSVC. 
CVID	Cinepak	Radius	Originally owned by Supermac. Download the latest 16 and 32 bit Windows versions from Providenza & Boekelhiede's web site. You can also find the codec here. 
CWLT	?	?	Listed as "reserved" on Microsoft's codec site. 
CYUV	Creative YUV	Creative Labs	Proprietary YUV compression algorithm 
CYUY	?	ATI Technologies	Proprietary YUV compression algorithm 
DIV3	DivX	MPEG-4	DivX Slow motion codec (optimised for low motion source material?). I hear that this codec is actually an illegitimate, hacked version of a Microsoft MPEG4 codec so beware if you use it. 
DIV4	DivX	MPEG-4	DivX Fast motion codec. I hear that this codec is another illegitimate, hacked version of a Microsoft MPEG4 codec so beware if you use it. 
div4	DivX	MPEG-4	DivX Fast motion codec. I hear that this codec is another illegitimate, hacked version of a Microsoft MPEG4 codec so beware if you use it. 
DIVX	DivX	OpenDivX	Open Source DivX codec.
divx	DivX	OpenDivX	Open Source DivX codec. 
DMB1	Rainbow Runner hardware compression	Matrox	Hardware codec used by Matrox Rainbow Runner video capture product. Apparently a form of Motion JPEG). 
DMB2	?	?	MJPEG codec used by Paradigm. 
DSVD	?	?  
DUCK	TrueMotion S	Duck Corporation	Rather nice RGB codec which, strangely enough, appears to have two distinct FOURCCs.  
dvsd	?	Pinnacle Systems	miroVideo DV300 SW only codec.  Requires the presence of the 1394 (Firewire) interface card with which it shipped. For more info, see this Microsoft page.  
DVSD	?	?	Used by Adobe After Effects, Uleads Mediastudio 6 (and probably VideoStudio) as a generic DV FOURCC. Probably the same as "dvsd". Sources indicate that these FOURCCs were used interchangeably in early versions. 
DVE2	DVE-2 Videoconferencing Codec	InSoft	? 
DVX1	DVX1000SP Video Decoder	Lucent	? 
DVX2	DVX2000S Video Decoder	Lucent	? 
DVX3	DVX3000S Video Decoder	Lucent	? 
DXTn	DirectX Compressed Texture	Microsoft	5 different versions (DXT1 - DXT5) of compressed texture formats exist. Full documentation is to be found in the DirectX SDK. More info can also be found on S3's Texture Compression web site. 
DXTC	DirectX Texture Compression	Microsoft	Another of the DXTn set, I suppose. 
ESCP	Escape	Eidos Technologies	Codec used by Eidos Technologies ESCAPE VideoStudio. 
FLJP	Field Encoded Motion JPEG	D-Vision Field	encoded motion JPEG wuth LSI bitstream format. 
FRWA	Forward Motion JPEG with alpha channel	SoftLab-Nsk	A version of motion JPEG as used in the Forward project from SoftLab-Nsk. This format also includes an 8-bit alpha channel per image. 
FRWD	Forward Motion JPEG	SoftLab-Nsk	A version of motion JPEG as used in the Forward project from SoftLab-Nsk. Similar to FRWD but without the alpha information. 
GWLT	?	Microsoft	Listed as "reserved" on Microsoft's codec site.
H260	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H261	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H262	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H263	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H264	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H265	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H266	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H267	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H268	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
H269	ITU H.26n	Intel	Conferencing codecs\nH.263 format video is for POTS-based videoconferencing. Used, for example, in some Osprey products. 
HFYU	Huffman Lossless Codec	?	Huffman codec for YUV and RGB formats. Available in source and DLL forms. 
HMCR	Rendition Motion Compensation Format	Rendition	Proprietary motion compensation surface format used by Rendition V2x00 DirectDraw driver. 
HMRR	Rendition Motion Compensation Format	Rendition	Newer, proprietary motion compensation surface format used by Rendition drivers. 
i263	ITU H.263	Intel	PictureWorks NetCard Player - another H.263 implementation from Intel. There's a FAQ on this codec here and it can also be downloaded from here. 
IAN 	Indeo 4 Codec	Intel	One of a collection of FOURCCs used in Indeo 4. 
ICLB	CellB Videoconferencing Codec	InSoft	? 
IGOR	Power DVD	?	? 
IJPG	Intergraph JPEG	Intergraph	Intergraph's version of a JPEG codec (don't you hate it when I just state the obvious ?) 
ILVC	Layered Video	Intel	? 
ILVR	ITU H.263+ Codec	?	? 
IPDV	Giga AVI DV Codec I-O	Data Device, Inc.	Codec used with I-O Data Device's IEEE1394 Digital Video Control & Capture Board. This codec implements I-O DATA's original indexed AVI architecture. 
IR21	Indeo 2.1	Intel	Old Indeo codec 
IV30	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV31	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV32	Indeo 3.2	Intel	Fairly widespread Indeo 3 codec  
IV33	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV34	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV35	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV36	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV37	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV38	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV39	Indeo 3	Intel	The family of Indeo Video 3 codecs 
IV40	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV41	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV42	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV43	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV44	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV45	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV46	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV47	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV48	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV49	Indeo Interactive	Intel	Indeo 4.1 improves image quality and introduces transparency masks. 
IV50	Indeo Interactive	Ligos	Version 5.0 of the Indeo codec series designed for internet video delivery. 
JBYR	?	Kensington?	? 
JPGL	JPEG Light?	?	Proprietory format used by many WebCams which are built around the DIVIO NW 801/802 chip such as the Logitec QuickCam Pro, VideoLogic HomeC@m and other cameras from Askey, Mustek, Microtek, and Tekom. 
KMVC	Karl Morton's Video Codec (presumably)	?	Shipped as part of the game "Worms" by Team17 Software. Info is allegedly obtainable from info@beamaim.demon.co.uk. 
LEAD	LEAD Video Codec	Lead Technologies	Codec supporting standard MJPEG and Lead's proprietary MCMP formats. They state "an alternative to standard compression algorithms, MCMP delivers smaller file sizes and can maintain better image quality than MJPEG with the same or better image quality." Link offers download of a time-expiring version of the codec. No, MCMP isn't a FOURCC. 
Ljpg	LEAD MJPEG Codec	Lead Technologies	Supports color JPEG 4:1:1, 4:2:2, 4:4:4, grayscale JPEG 4:0:0) FOURCCs supported: MJPG, JPEG, dmb1 Lossless JPEG support including 24-bit color and 8,12 and 16-bit grayscale. Link offers download of a time-expiring version of the codec. 
M263	H.263	Microsoft	Redmond's codec implementing the H.263 compression standard. 
M261	H.261	Microsoft	Redmond's codec implementing the H.261 compression standard. 
MC12	Motion Compensation Format	ATI Technologies	Proprietary format used by ATI in MPEG decoding. 
MCAM	Motion Compensation Format	ATI Technologies	Proprietary format used by ATI in MPEG decoding. 
mJPG	Motion JPEG including Huffman Tables	IBM	A version of Motion JPEG which includes Huffman tables with each AVI frame. Developed by IBM before the MJPEG standard was finalised. 
MJPG	Motion JPEG	?	Motion JPEG video. Codecs implementing MJPEG are (or have been) available from\nhttp://www.jpg.com/imagetech_video.htm\nhttp://www.pmatrix.com\nPegasus Imaging\nMorgan Multimedia (long trial period)\nThe format is also used by Matrox in their Rainbow Runner add-on video capture / MPEG playback board for various of their display adapters.  
MP42	MPEG-4	Microsoft	Apparently one of several different and incompatible MPEG-4 codecs. Rumour has it that this codec is downloadable from the Microsoft site somewhere. This codec is distributed as part of Microsoft Windows Media Tools 4. 
MP43	MPEG-4	Microsoft	Yet another MPEG-4 variation from Microsoft. This FOURCC is not, however, listed on Microsoft's codecs site. This codec is distributed as part of Microsoft Windows Media Tools 4. 
MPEG	MPEG	?	MPEG video - presumably MPEG I ? 
MPG4	MPEG	Microsoft	MPEG-4 Video High Speed Compressor. Downloadable here, I am told. This codec was shipped with some versions of the Microsoft Netshow encoder (probably 3.0) 
MPGI	MPEG	Sigma Designs	Editable MPEG codec 
MRCA	Mrcodec	FAST Multimedia	And I thought it stood for "Multi Role Combat Aircraft". 
MRLE	Microsoft RLE	Microsoft	Run length encoded RGB format from Microsoft. Basically the same as the BI_RLE formats but Michael Knapp clarifies: "MRLE is just *nearly* the same compression as the existing 4 and 8bit RLE formats but the 'copy bytes-chunk' always has an even byte-length. That means that an empty byte is added if the 'copy chunk' contains an odd number of bytes" 
MSVC 	Microsoft Video 1	Microsoft	Original codec shipped with Video For Windows. Deals with 8bpp and 16bpp images. Quality leaves a lot to be desired (IMHO). 
MTX1	?	Matrox	? 
MTX2	?	Matrox	? 
MTX3	?	Matrox	? 
MTX4	?	Matrox	? 
MTX5	?	Matrox	? 
MTX6	?	Matrox	? 
MTX7	?	Matrox	? 
MTX8	?	Matrox	? 
MTX9	?	Matrox	? 
MV12	?	?	? 
MWV1	Motion Wavelets	Aware Inc.	Wavelet compression-based codec optimised for Intel MMX platforms. Allegedly downloadable from here. 
nAVI	Download here	?	? 
NTN1	Video Compression 1	Nogatech	? 
NVS0	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVS1	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVS2	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVS3	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVS4	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVS5	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVT0	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVT1	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVT2	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVT3	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVT4	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
NVT5	?	NVidia?	Supported by GEForce 2 GTS Pro / 64Mb DDR. Possibly a texture format. 
PDVC	DVC codec I-O	Data Device, Inc.	DV codec for I-O DATA Digital Video Capture products. 
PGVV	Radius Video Vision	Radius	? 
PIMJ	Lossless JPEG	Pegasus Imaging	? 
PVEZ	PowerEZ	Horizons Technology	TrueMotion based codec (?) It appears that Horizons Technology has now been acquired by Raytheon and is no longer in the codec business (can someone confirm this - their URL is now redirected). Allegedly, you can download this codec from support.private.com but I'm not going to add a link since this is an adult video company and I don't want to get this site associated with porn. 
PVMM	PacketVideo Corporation MPEG-4	PacketVideo Corporation	Software MPEG4 codec that supports multiple bitrate encoding/decoding. It is also error resilient allowing transmission over wired/wireless networks. 
PVW2	Pegasus Wavelet Compression	Pegasus Imaging	? 
qpeq	QPEG 1.1	Q-Team	? 
QPEG	QPEG Q-Team	Q-Team	Dr.Knabe's 8-bit output codec with automatic palette switching for seamless edits. 
RGBT	32 bit support	Computer Concepts	That's odd. I registered RGBT at the same time as a bunch of other FOURCCs and it was granted. The format I registered is for 16- and 32-bit uncompressed RBG images with a transparency plane. Microsoft's codec site, however, lists Computer Concepts rather than Brooktree (Conexant) as the owner. Hmm... 
RLE 	Run Length Encoding	Microsoft	Basic codec used by AVIs
RT21	Real Time Video 2.1	Intel	What Indeo was called before the marketing guys got their hands on it. RTV or Real Time Video was the format produced by Intel's ActionMedia II adapter back in the late 80s. When the 80486 came along, this migrated to the software-decodable Indeo formats used today. 
rv20	Real 8	Real	?  
rv30	Real G2	Real	?
RVX 	RDX	Intel	? 
s422	VideoCap C210
YUV 	Codec Tekram	International	YUV422 codec shipped as part of the driver package for Tekram's C210 product. 
SDCC	Digital Camera Codec	Sun Communications	? 
SFMC	Surface Fitting Method	CrystalNet	CrystalGram video email codec. 
SMSC	Proprietary codec	Radius	? 
SMSD	Proprietary codec	Radius	? 
smsv	Wavelet Video	WorldConnect	Windows 95 codec installed automatically (and without warning) whenever you receive and play back a file sent from VisualMail. Very low bandwidth format. 
SPIG	Spigot	Radius	? 
SQZ2	VXTreme Video Codec V2	Microsoft	? 
SV10	Video R1	Sorenson Media	Allegedly popular as a Quicktime codec. Used for trailer videos on Star Wars Episode 1 and other games. 
STVA	ST CMOS Imager Data (Bayer)	ST Microelectronics	Data from ST CMOS Imagers that is passed to a codec external to the driver \nfor processing to a displayable format. More info may be available at the ST Vision and Imaging Unit web site. 
STVB	ST CMOS Imager Data (Nudged Bayer)	ST Microelectronics	Data from ST CMOS Imagers that is passed to a codec external to the driver \nfor processing to a displayable format. More info may be available at the ST Vision and Imaging Unit web site. 
STVC	ST CMOS Imager Data (Bunched)	ST Microelectronics	Data from ST CMOS Imagers that is passed to a codec external to the driver \nfor processing to a displayable format. More info may be available at the ST Vision and Imaging Unit web site. 
STVX	ST CMOS Imager Data (Extended CODEC Data Format)	ST Microelectronics	Data from ST CMOS Imagers that is passed to a codec external to the driver \nfor processing to a displayable format. More info may be available at the ST Vision and Imaging Unit web site. 
STVY	ST CMOS Imager Data (Extended CODEC Data Format with Correction Data)	ST Microelectronics	Data from ST CMOS Imagers that is passed to a codec external to the driver \nfor processing to a displayable format. More info may be available at the ST Vision and Imaging Unit web site. 
SVQ1	Sorenson Video	Sorenson Media	? 
TLMS	Motion Intraframe Codec	TeraLogic	? 
TLST	Motion Intraframe Codec	TeraLogic	? 
TM20	TrueMotion 2.0	Duck Corporation	Version 2.0 of Duck Corp's Truemotion codec. 
TM2X	TrueMotion 2X	Duck Corporation	Duck Corp's latest version of the TrueMotion codec. 
TMIC	Motion Intraframe Codec	TeraLogic	? 
TMOT	TrueMotion S	Horizons Technology	Another FOURCC for TrueMotion S. This relates to the version of the codec licensed by Horizons Technology and is not compatible with DUCK. 
TR20	TrueMotion RT 2.0	Duck Corporation	Realtime version of TrueMotion. 
TSCC	TechSmith Screen Capture Codec	Techsmith Corp.	Codec used by the Camtasia Screen "camcorder" application. 
TV10	Tecomac Low-Bit Rate Codec	Tecomac, Inc.	? 
TY2C	Trident Decompression Driver	Trident Microsystems	? 
TY2N	?	Trident Microsystems	? 
TY0N	?	Trident Microsystems	? 
UCOD	ClearVideo	eMajix.com	Fractal compression-based video codec available as a Video for Windows codec and in the ClearFusion Netscape plugin package. 
ULTI	Ultimotion	IBM Corp.	Shipped with OS/2 but also available for Video for Windows. Link is to a very old version of the codec for Windows. 
V261	Lucent VX2000S	Lucent	? 
VCR1	ATI Video Codec 1	ATI Technologies	Codec used by some ATI TV-PC products. The link here allows you to download a version which is not specific to ATI hardware, allowing videos captured on an ATI-enabled system to be played back elsewhere. Also available here. 
VCR2	ATI Video Codec 2	ATI Technologies	Codec used by some ATI TV-PC products. As for VCR1, this link is for a non-ATI specific version of the codec.Also available here. 
VDOM	VDOWave	VDONet	Another streaming video format from VDONet. 
VDOW	VDOLive	VDONet	H.263 internet streaming video format. Allegedly to be used (being used ?) by Microsoft in it's NetShow offering. 
VDTZ	VideoTizer YUV Codec Darim Vision Co. Codec used to store YUV AVIs captured with Darim Vision's VideoTizer product. 
VGPX 	?	?	It seems that this codec is installed along with the software for the "Alaris Wee Cam."  The codec doesn't appear to be available seperately but, allegedly, works fine if you install the Wee Cam software even without the camera. 
VIDS	?	Vitec Multimedia	YUV 4:2:2 CCIR 601 for V422 (no, I don't understand this either) 
VIVO	Vivo H.263	Vivo Software	Vivo's version of the videoconferencing "standard" H.263 compression format (version 2.0.0). 
VIXL	Video XL	Miro (now part of Pinnacle Systems)	? 
VLV1	?	VideoLogic	Codec probably used in VideoLogic's Captivator product line 
VP30	VP3 On2 On2 tell me "On2's VP3 codec will encode video into a VP3 file in multiple bit rates (roughly 220 Kbps, 330 Kbps, and 440 Kbps) and at optimum frame rates (usually 29.97 fps). This multiple bit rate file allows the TrueCast server to scale dynamically and smoothly as bandwidth congestion increases and decreases, providing the viewer with a consistent and reliable experience, without choppiness or interruption." 
VP31	VP3 On2 Another flavour of the On2 VP2 codec. 
VX1K	VX1000S Video Codec	Lucent	? 
VX2K	VX2000S Video Codec	Lucent	? 
VXSP	VX1000SP Video Codec	Lucent	? 
WBVC	W9960	Winbond Electronics	?
WHAM	Microsoft Video 1	Microsoft	Yet another FOURCC describing Microsoft's MSVC/CRAM codec. 
WINX	Winnov Software Compression	Winnov	Software codec used by some Winnov Videum products. 
WJPG	Winbond JPEG?	?	Format supported by AverMedia USB TV-tuner/capture device. When downloading, look for the file USBTV20.ZIP. 
WNV1	Winnov Hardware Compression	Winnov	Hardware codec used by Winnov Videum products. 
x263	Download here	?	? 
XLV0	XL Video Decoder	NetXL Inc.	?  
XMPG	XING MPEG	XING Corporation	Editable (I frame only) MPEG codec 
XXAN	?	?	? 
Y8  	Grayscale video	?	Probably a duplicate of the uncompressed Y800 format. The 2 last characters are spaces. 
YC12	YUV 12 codec	Intel	?  
YUV8	Caviar YUV8	Winnov	?  
YUY2	Raw, uncompressed YUV 4:2:2	Microsoft (probably)	Yes, I know this isn't a compressed format but I get so many questions about where to find a codec for YUY2 AVIs that it's here to allow people to find the answer easily. I'm told "VirtualDub has been able to decode YUY2 internally since V1.3a. Newer versions of Ben Rudiak-Gould's Huffyuv codec will also convert YUY2 or UYVY data to RGB" 
YUYV	?	Canopus	Compressed YUV format. Some of the software on the Canopus download page may include this codec (I'm guessing - please tell me if this is true). 
ZLIB 	?	?	Some kind of lossless codec that you can download from here. 
ZPEG	Video Zipper	Metheus	? 
