Author: conrad
Date: Thu Dec 4 22:10:30 2008
New Revision: 3862
Log:
Simplify mean calculation in intra dc pred (simply different rounding than C)
Modified:
dirac/libavcodec/dirac.h
Modified: dirac/libavcodec/dirac.h
==============================================================================
--- dirac/libavcodec/dirac.h (original)
+++ dirac/libavcodec/dirac.h Thu Dec 4 22:10:30 2008
@@ -382,9 +382,8 @@ int intra_dc_coeff_prediction(DiracConte
+ coeff[-s->padded_width - 1]);
if (pred > 0)
pred = (pred + 1) / 3;
- else /* XXX: For now just do what the reference
- implementation does. Check this. */
- pred = -((-pred)+1)/3;
+ else
+ pred = (pred - 1) / 3;
} else if (x > 0) {
/* Just use the coefficient left of this one. */
pred = coeff[-1];
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