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Merge Exact Quant

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Change-Id: Id2412a7f24a7c1016ec9fc3b9b0fbd16871f374a
This commit is contained in:
Paul Wilkins
2012-03-20 14:20:36 +00:00
parent 475d5d5664
commit 36af2035c8
1 changed files with 0 additions and 66 deletions
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66
vp8/encoder/quantize.c
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@@ -22,7 +22,6 @@
extern int enc_debug;
#endif
#define EXACT_QUANT
void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
{
int i, rc, eob;
@@ -58,9 +57,6 @@ void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
d->eob = eob + 1;
}
#ifdef EXACT_QUANT
void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
{
int i, rc, eob;
@@ -173,64 +169,6 @@ void vp8_strict_quantize_b(BLOCK *b, BLOCKD *d)
d->eob = eob + 1;
}
#else
void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
{
int i, rc, eob;
int zbin;
int x, y, z, sz;
short *zbin_boost_ptr = b->zrun_zbin_boost;
short *coeff_ptr = b->coeff;
short *zbin_ptr = b->zbin;
short *round_ptr = b->round;
short *quant_ptr = b->quant;
short *qcoeff_ptr = d->qcoeff;
short *dqcoeff_ptr = d->dqcoeff;
short *dequant_ptr = d->dequant;
short zbin_oq_value = b->zbin_extra;
vpx_memset(qcoeff_ptr, 0, 32);
vpx_memset(dqcoeff_ptr, 0, 32);
eob = -1;
for (i = 0; i < 16; i++)
{
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 ++;
sz = (z >> 31); // sign of z
x = (z ^ sz) - sz; // x = abs(z)
if (x >= zbin)
{
y = ((x + round_ptr[rc]) * quant_ptr[rc]) >> 16; // 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
if (y)
{
eob = i; // last nonzero coeffs
zbin_boost_ptr = &b->zrun_zbin_boost[0]; // reset zero runlength
}
}
}
d->eob = eob + 1;
}
#endif
//EXACT_QUANT
void vp8_quantize_mby_c(MACROBLOCK *x)
{
int i;
@@ -668,8 +606,6 @@ void vp8_fast_quantize_b_pair_c(BLOCK *b1, BLOCK *b2, BLOCKD *d1, BLOCKD *d2)
}
#define EXACT_QUANT
#ifdef EXACT_QUANT
static void invert_quant(int improved_quant, short *quant,
unsigned char *shift, short d)
{
@@ -767,8 +703,6 @@ void vp8cx_init_quantizer(VP8_COMP *cpi)
}
}
}
#endif
void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
{