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  • BR7
    He is coming to your little town!
    • Aug 2005
    • 2137

    Quick Question

    I am not sure what it is for I did a google on iDCT but I kept on getting stuff for DGdecode and I looked at the pro help files and I am still not 100% clear on what it does.
    Do I leave this on default or can I tick sse2mmx I know my computer supports it?



    Thanks
    Last edited by BR7; 4 May 2006, 05:22 PM. Reason: misspell

    My Blu-ray Collection
  • SMEG
    Super Member
    Super Member
    • Mar 2006
    • 278

    #2
    now then br7 give it ago and see what happens you could always change it back if it dont work mate or causes you problems

    Comment

    • BR7
      He is coming to your little town!
      • Aug 2005
      • 2137

      #3
      I know it's prob safe but if I am not sure of something I like to check and make sure I wont ruin anything better to be safe then sorry I did give a go I didn't see any difference
      Last edited by BR7; 4 May 2006, 08:40 PM.

      My Blu-ray Collection

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      • jdobbs
        Digital Video Enthusiast
        Digital Video Enthusiast
        • Sep 2004
        • 324

        #4
        That's good... you shouldn't see a difference... Each of the choices represent a different routine to do the same thing with different levels of accuracy. Some algorithms run faster on some processors than others.

        Comment

        • BR7
          He is coming to your little town!
          • Aug 2005
          • 2137

          #5
          Oh ok I get it now
          Thanks jdobbs

          My Blu-ray Collection

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          • ed klein
            Banned
            • Mar 2004
            • 880

            #6
            BR7,

            The complete package dgmpgd 1.4.7 beta6 which has the DGDecode manual and the DGIndex executible will give you the definations of which one to choose.

            iDCt Algorithm

            The default setting in DGIndex is:
            Skal SSE MMX and is the one I use.

            Comment

            • BR7
              He is coming to your little town!
              • Aug 2005
              • 2137

              #7
              Thanks ed I will look in to it

              My Blu-ray Collection

              Comment

              • UncasMS
                Super Moderator
                • Nov 2001
                • 9047

                #8
                Originally Posted by jdobbs
                That's good... you shouldn't see a difference... Each of the choices represent a different routine to do the same thing with different levels of accuracy. Some algorithms run faster on some processors than others.
                and here are some (speed) results from my tests:

                Comment

                • BR7
                  He is coming to your little town!
                  • Aug 2005
                  • 2137

                  #9
                  Thanks for that link UncasMS that helps a lot

                  My Blu-ray Collection

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                  • rahzel
                    just farted
                    • Aug 2004
                    • 314

                    #10
                    i use simple MMX (xvid).

                    from what ive heard, its SLIGHTLY more precise and faster than the default.

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