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This page is a copy of the original page on the AVObjects' web site and can also be viewed here.

The DV Decoder is a DirectShow filter for decoding DV, DVCPRO, DVCPRO 50 and DVCPRO HD video streams.


AVObjects DV Decoder is a high-performance DirectShow decoder for a variety of DV video streams.

Supported DV Formats

  • DV/DVCR (IEC 61834) (SD format for 525-60 and 625-50 systems)
  • DV25/DVCPRO 25 (SMPTE 314M)
  • DV50/DVCPRO 50 (SMPTE 314M)
  • DV100/DVCPRO 100/DVCPRO HD (SMPTE 370) (100 Mb/s 1080/60i, 1080/50i, 720/60p, 720/50p)


  • Uses a configurable number of computing cores
  • Highly optimized for the Intel processor family.
  • In case of interlaced video, sets proper flags for correct operation of VMR.
  • Can convert original interlaced picture to progressive by various methods
  • Resize encoded HD DV to standard output resolution:
    • 720/60p and 720/50p: 960x720 -> 1280x720
    • 1080/60i: 1280x1080 -> 1920x1080
    • 1080/50i: 1440x1080 -> 1920x1080

Specifications and description of user interfaces can be found in the .idl file in the \Idl folder of the filter installation directory.

Supported DV Standards

  • IEC 61834-2: SD format for 525-60 and 625-50 systems
  • SMPTE 314M: Data Structure for DV-Based Audio, Data and Compressed Video - 25 and 50 Mb/s
  • SMPTE 370M: Data Structure for DV-Based Audio, Data and Compressed Video at 100 Mb/s 1080/60i, 1080/50i, 720/60p, 720/50p

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