Ut Video

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File Format
Name Ut Video
Ontology
Released 2008

Ut Video Codec Suite by UMEZAWA Takeshi is a lossless video codec implemented as a VCM/VfW codec

  • UtVideo (unmarked)
    • It has a mode that performs compression suitable for interlaced video.
  • UtVideo T2
    • Achieves lower compression ratio and higher speed in many cases.
    • It supports inter-frame compression.
  • UtVideo Pro
    • Supports deep color (color depth over 8bit). Currently, only 10bit is implemented.
    • Colorspace conversion is not performed by the codec.

It uses several different FourCC codes depending on internal format:

  • ULRA - UtVideo RGBA
  • UMRA - UtVideo T2 RGBA
  • ULRG - UtVideo RGB
  • ULY4 - UtVideo YUV444 BT.601
  • UMY4 - UtVideo T2 YUV444 BT.601
  • ULY2 - UtVideo YUV422 BT.601
  • UMY2 - UtVideo T2 YUV422 BT.601
  • ULY0 - UtVideo YUV420 BT.601
  • ULH4 - UtVideo YUV444 BT.709
  • UMH4 - UtVideo T2 YUV444 BT.70
  • ULH2 - UtVideo YUV422 BT.709
  • UMH2 - UtVideo T2 YUV422 BT.709
  • ULH0 - UtVideo YUV420 BT.709
  • UQRA - UtVideo Pro RGBA 10bit
  • UQRG - UtVideo Pro RGB 10bit
  • UQY2 - UtVideo Pro YUV422 10bit
  • UQY0 - UtVideo Pro YUV420 10bit


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