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update sse2 regular quantizer

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about ~5% gain on 32bit. disabled for 64bit

unset executable bit on ssse3 version (cosmetic)

Change-Id: I1a5860839eb294ce4261f819caea2dcfa78e57ca
This commit is contained in:
Johann
2011-01-11 09:41:57 -05:00
parent a1a4d23797
commit 15f9bea73b
5 changed files with 168 additions and 234 deletions
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9
vp8/encoder/quantize.c
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@@ -129,9 +129,6 @@ void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
rc = vp8_default_zig_zag1d[i];
z = coeff_ptr[rc];
//if ( i == 0 )
// zbin = zbin_ptr[rc] + *zbin_boost_ptr + zbin_oq_value/2;
//else
zbin = zbin_ptr[rc] + *zbin_boost_ptr + zbin_oq_value;
zbin_boost_ptr ++;
@@ -144,13 +141,13 @@ void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
y = (((x * quant_ptr[rc]) >> 16) + x)
>> quant_shift_ptr[rc]; // quantize (x)
x = (y ^ sz) - sz; // get the sign back
qcoeff_ptr[rc] = x; // write to destination
dqcoeff_ptr[rc] = x * dequant_ptr[rc]; // dequantized value
qcoeff_ptr[rc] = x; // write to destination
dqcoeff_ptr[rc] = x * dequant_ptr[rc]; // dequantized value
if (y)
{
eob = i; // last nonzero coeffs
zbin_boost_ptr = &b->zrun_zbin_boost[0]; // reset zero runlength
zbin_boost_ptr = b->zrun_zbin_boost; // reset zero runlength
}
}
}