More codecs to look at

Here’s a list of video codecs I found with the help of discmaster.textfiles.com (mostly by looking for .inf files with “vidc” in them). Maybe I’ll look at them one day, maybe somebody will beat me to it. In either case, it’s a nice reminder for myself.

  • CSMX.dll—reportedly used for CSM0 codec, was bundled with some player, no known samples. Considering its small size it’s likely to be either raw YUV format or lossless codec;
  • d3dgearcodec.dll—D3DGear lossless codec;
  • elsaeqkx.dll—some Elsa quick codec;
  • Esdll.dll—bundled with the same player, the strings inside it hint on it being an unholy mix of ZIP and MELP-based speech codec;
  • ICS422.DRV—S422 or SuperMatch YUV 4:2:2 codec (I suspect it’s raw YUV);
  • ICSMS0.DRV—SMS0 or SuperMatch VideoSpigot codec (from SuperMac, later bought by Radius);
  • MCTCOD.DRV—MCTPlus Draw driver, supposedly offering 2:1 compression and has a bunch of FOURCCs registered to it: DRAW, MC16, MC24, MR16, MR24, MY16, MY24
  • MyFlashZip0.ax—MFZ0 lossless codec;
  • NTCodec.dll—NewTek nt00 codec (I expect lossless or an intermediate codec);
  • RGBACodec.dll—apparently Lightworks lossless RGBA codec;
  • Sx73p32.dll—Lucent Technologies SX7300P speech codec;
  • TRICODC.DRV—Trident draw codec with a bunch of compressed RGB and YUV formats: rtc3, rtc5, rtc6, ty0n, ty2d, ty2n, ty2c, r0y1…
  • UCLZSS.DRV—Ulead LZSS codec aka uclz (obviously a simple lossless codec);
  • UCYUVC.DRV—Ulead compressed YUV 411 aka yuvc;
  • V422.DRV—Vitec Multimedia V422;
  • V655.DRV—Vitec Multimedia V655 (I’ll venture a guess this means 6-bit luma and 5-bit chroma instead of improbable YUV 6:5:5 subsampling);
  • VDCT.DRV—Vitec Multimedia VDCT.

Oh, and I’ve also found Eloquent elvid32.dll for EL02 FOURCC but it’s different since it has samples and it’s yet another H.263 rip-off.

That’s it for now, I’ll talk about FLAC video some other time.

This entry was posted on Wednesday, February 11th, 2026 at 3:32 pm and is filed under Various Video Codecs. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

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