CODECs (6/6)
| VP30 | VP3 | On2 |
| VP31 | VP3 | On2 |
| VP40 | VP4 | On2 |
| VP50 | VP5 | On2 |
| VP60 | VP6 | On2 |
| VP70 | VP7 | On2 |
| VQC2 | Vector-quantised codec 2 (research) | eprints.ecs.soton.ac.uk |
| VSSH | VSS H.264 |
| VSSV | VSS Codec Light |
| VSSW | VSS Wavelet Video Codec |
| VTLP | Alaris VideoGramPiX |
| VX1K | VX1000S Video Codec | Lucent |
| VX2K | VX2000S Video Codec | Lucent |
| VXSP | VX1000SP Video Codec | Lucent |
| VYU9 | ATI YUV | ATI Technologies |
| VYUY | ATI YUV | ATI Technologies |
| WBVC | W9960 | Winbond Electronics |
| WHAM | Microsoft Video 1 | Microsoft |
| WINX | Winnov Software Compression | Winnov |
| WJPG | Winbond JPEG? |
| WMV1 | FFmpeg MS WMV1 |
| WMV2 | Windows Media Video 8 |
| WMV7 | Windows Media Video 7 |
| WMV8 | Windows Media Video 8 |
| WMV9 | Possibly the same as VC-9, proposed new HD codec |
| WNV1 | Winnov Hardware Compression | Winnov |
| x263 | Xirlink | Xirlink |
| XLV0 | XL Video Decoder | NetXL Inc. |
| XMPG | XING MPEG | XING Corporation |
| XVID | XviD | xvid.org |
| XXAN | Codec useing Huffman and RLE encoding paired with basic interframing | Used in Wing Commander 3 and 4 movies (Origin Xan Codec) | |
| XYZP | Extended PAL format XYZ palette | www.riff.org |
| Y211 | YUV packed |
| Y411 | Same as Y41P |
| Y41B | YUV 4:1:1 Planar | Weitek |
| Y41P | YUV 4:1:1 Packed |
| Y41T | PC1 4:1:1 with transparency | Brooktree Corporation |
| Y422 | Copy of UYVY used in Pyro WebCam firewire camera | ADS Technologies |
| Y42B | YUV 4:2:2 Planar | Weitek USA |
| Y42T | UYVY with pixel transparency support | Brooktree Corporation |
| Y8 | Grayscale video |
| Y800 | Simple, single Y plane for monochrome images |
| YC12 | YUV 12 codec | Intel |
| YU92 | YUV | Intel Corporation |
| YUNV | Same as YUY2 | Nvidia |
| YUV8 | MM_WINNOV_CAVIAR_YUV8 | Winnov, Inc. |
| YUV9 | YUV9 | Intel Corporation |
| YUVP | Extended PAL format YUV palette | www.riff.org |
| YUY2 | YUV packed 4:2:2 |
| YUYV | BI_YUYV, Canopus | Canopus, Co., Ltd. |
| YV12 | Identical to IYUV but the order of the U and V planes is switched |
| YVU9 | Planar YUV format |
| YVYU | YUV packed 4:2:2 |
| ZLIB | LCL (Lossless Codec Library) zlib compression | www.geocities.co.jp/Playtown-Denei/2837 |
| ZPEG | Video Zipper | Metheus |
| ZyGo | ZyGo Digital |
'*' means any number/letter
'n' means any number
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