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AVI Testing Ground
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If you suspect that one of the codecs are missing from your machine, click on the "Test" active link to the right of the codec type and it will load a standardized 3 second clip using that codec. The last column contains the known information as to where to get the codec. CODECs marked by GREEN BACKGROUNDS are those that were not designed by their makers to be shared between machines, and/or have been discontinued. While many a downloader has added these codecs, DO SO AT YOUR OWN RISK!


Codec/Extension
"4cc" Name
 Avi Codec type and information
Press to test
Link to download the Codec
VCR1
vidc:vcr1 ATI capture card codec. Like I263, VCRx was brought into ABME by a capper who did not realize he was posting in a propertaryy codec. And like I263, it is possible to load the codecs into your Windows system. VCR1 is based on the YUV9 encoding system. The hack is to the right, since it would appear the ATI offical playback codec has been removed (or moved) from their site. TestVCR1
Patch
VCR2
vidc:vcr2 VCR2 uses the YUV12 plannar encoding structure. Codec used by some ATI TV-PC products up to and including the current Radon series.  The hack is to the right, since it would appear the ATI offical playback codec has been removed (or moved) from their site. TestVCR2
Patch
video 1
vidc:msvc Video1 -- better known as the Raw format. 
Raw is the more or less the first compressed AVI codec shipped with Video For Windows. Deals with 8bpp and 16bpp images
from M$
Vp3
vidc:Vp31 On2 Technologies pre-release build of VpVision(tm), their first try (after buying up serveral other codec projects) at open-source. Has a strong "family" link to the Duck True Motion codec they aquirred in 2000. The test clip is slightly larger than our standard size as required by the codec, and while the codec is described as being 3.2.5, the 4cc says 3.1.
Warning and information for those of you with nVidia GTS cards. At this time it appears that the current version codec and those cards have driver conflicts that may cause a "blocky" or "pixelated" effect. Install the exsisting codec FIRST. Only after seeing the pixel artifacts jumping around the screen on playback download the "Patch". This revised dll is for windows OS, and should be used ONLY by nvidia card Thanks go out to leralph and On2 for their speedy work on this one.
Vp3-On2
nVidia fix
Vp4 



YUV9
n/a variant of 3-2-2 used in many cap cards for avi compression
no codec
YUV12
vidc:cc12 variant of 4-2-2 used in cap cards for mpeg compression No Test no codec
YUV16
vidc:yv16 Another variant of 4-4-2 used in cap cards for mpeg compression No Test no codec
Xvid
vidc:xvid 1st, I must acknowledge horny german, who is currently the bestest, mostest go-getter / finder / tester in the binary groups. For those viewing, this codec comes with none of the hassles of divx5. For those capping / ripping / compressing, my own experiments would indicate that Xvid has a better and more controllable interface for both constant bit rate (mpeg-like) and variable bit rate compression's. 

As a side note, This seems the best place to bring up FFDShow filters. A real sweet solution for playback problems which allows you to playback xvid and any divx encoded movie (3,4,5) without having the codec installed on your PC. After the setup you can configure ffdschow very easily.

Xvid
FFDShow


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