Jean-Marc Valin wrote:
Well, most intra predictors use only the pixels on the edges of the
block, so the interior pixels -- deblocked or not -- aren't used at all.
A) That's no longer true. They run filters which may include interior
pixels now.
B) What I meant by "interior edges" includes pixels on the exterior edge
of the block, e.g.,
A B
*---+---*-------*
| ║ | |
+===+===+ |
| ║ | |
*---+---*-------*
Here ║ and = represent interior edges which need to be deblocked, and
the four blocks in A are used to predict the single block in B (though
it would not matter how B is split). The interior edge separating the
top and bottom blocks includes pixels on the very right edge of A, and
it matters whether they are deblocked or not before predicting B.
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