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25th September 2003, 21:26 | #1 | Link |
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Join Date: Jun 2003
Posts: 71
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New Filter: Interpolating Bob
I just released a new filter, Interpolating Bob. You can find it at http://kevin.atkinson.dhs.org/ibob/.
The filter works identically to the Avisynth builtin Bob filter except that it uses linear interpolation instead of bicubic resizing. The advantages of IBob over the builtin Bob is: 1) The lines of the dominate field are untouched. In particular Code:
assumetff() orig = last ibob() assumetff().separatefields().selectevery(4,0,3).weave() compare(last,orig) video (when the video format is yuy2, with yv12 the chroma will be slightly different). With the builtin bob this is not the case. 2) A bit faster than the builtin bob. In can be made even faster by 1) dynamically compiling key parts to reduce register pressure and take advantage of the "base + index + displacement" addressing mode, and by 2) using vector extensions. |
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