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Merge "Remove unused vp8 quantize functions"

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Johann 2014-09-12 16:16:52 -07:00 committed by Gerrit Code Review
commit ad4edc0b4e
1 changed files with 0 additions and 171 deletions
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171
vp8/encoder/quantize.c
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@ -16,57 +16,6 @@
#include "quantize.h"
#include "vp8/common/quant_common.h"
#define EXACT_QUANT
#ifdef EXACT_FASTQUANT
void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
{
int i, rc, eob;
int zbin;
int x, y, z, sz;
short *coeff_ptr = b->coeff;
short *zbin_ptr = b->zbin;
short *round_ptr = b->round;
short *quant_ptr = b->quant_fast;
unsigned char *quant_shift_ptr = b->quant_shift;
short *qcoeff_ptr = d->qcoeff;
short *dqcoeff_ptr = d->dqcoeff;
short *dequant_ptr = d->dequant;
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];
zbin = zbin_ptr[rc] ;
sz = (z >> 31); /* sign of z */
x = (z ^ sz) - sz; /* x = abs(z) */
if (x >= zbin)
{
x += round_ptr[rc];
y = ((((x * quant_ptr[rc]) >> 16) + x)
* quant_shift_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 */
}
}
}
*d->eob = (char)(eob + 1);
}
#else
void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
{
int i, rc, eob;
@ -100,9 +49,6 @@ void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
*d->eob = (char)(eob + 1);
}
#endif
#ifdef EXACT_QUANT
void vp8_regular_quantize_b_c(BLOCK *b, BLOCKD *d)
{
int i, rc, eob;
@ -213,59 +159,6 @@ void vp8_strict_quantize_b_c(BLOCK *b, BLOCKD *d)
*d->eob = (char)(eob + 1);
}
#else
void vp8_regular_quantize_b_c(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];
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 zrl */
}
}
}
*d->eob = (char)(eob + 1);
}
#endif
void vp8_quantize_mby_c(MACROBLOCK *x)
{
int i;
@ -403,8 +296,6 @@ static const int qzbin_factors_y2[129] =
};
#define EXACT_QUANT
#ifdef EXACT_QUANT
static void invert_quant(int improved_quant, short *quant,
short *shift, short d)
{
@ -526,68 +417,6 @@ void vp8cx_init_quantizer(VP8_COMP *cpi)
}
}
}
#else
void vp8cx_init_quantizer(VP8_COMP *cpi)
{
int i;
int quant_val;
int Q;
int zbin_boost[16] = {0, 0, 8, 10, 12, 14, 16, 20, 24, 28, 32, 36, 40, 44, 44, 44};
for (Q = 0; Q < QINDEX_RANGE; Q++)
{
/* dc values */
quant_val = vp8_dc_quant(Q, cpi->common.y1dc_delta_q);
cpi->Y1quant[Q][0] = (1 << 16) / quant_val;
cpi->Y1zbin[Q][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
cpi->Y1round[Q][0] = (qrounding_factors[Q] * quant_val) >> 7;
cpi->common.Y1dequant[Q][0] = quant_val;
cpi->zrun_zbin_boost_y1[Q][0] = (quant_val * zbin_boost[0]) >> 7;
quant_val = vp8_dc2quant(Q, cpi->common.y2dc_delta_q);
cpi->Y2quant[Q][0] = (1 << 16) / quant_val;
cpi->Y2zbin[Q][0] = ((qzbin_factors_y2[Q] * quant_val) + 64) >> 7;
cpi->Y2round[Q][0] = (qrounding_factors_y2[Q] * quant_val) >> 7;
cpi->common.Y2dequant[Q][0] = quant_val;
cpi->zrun_zbin_boost_y2[Q][0] = (quant_val * zbin_boost[0]) >> 7;
quant_val = vp8_dc_uv_quant(Q, cpi->common.uvdc_delta_q);
cpi->UVquant[Q][0] = (1 << 16) / quant_val;
cpi->UVzbin[Q][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;;
cpi->UVround[Q][0] = (qrounding_factors[Q] * quant_val) >> 7;
cpi->common.UVdequant[Q][0] = quant_val;
cpi->zrun_zbin_boost_uv[Q][0] = (quant_val * zbin_boost[0]) >> 7;
/* all the ac values = ; */
for (i = 1; i < 16; i++)
{
int rc = vp8_default_zig_zag1d[i];
quant_val = vp8_ac_yquant(Q);
cpi->Y1quant[Q][rc] = (1 << 16) / quant_val;
cpi->Y1zbin[Q][rc] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
cpi->Y1round[Q][rc] = (qrounding_factors[Q] * quant_val) >> 7;
cpi->common.Y1dequant[Q][rc] = quant_val;
cpi->zrun_zbin_boost_y1[Q][i] = (quant_val * zbin_boost[i]) >> 7;
quant_val = vp8_ac2quant(Q, cpi->common.y2ac_delta_q);
cpi->Y2quant[Q][rc] = (1 << 16) / quant_val;
cpi->Y2zbin[Q][rc] = ((qzbin_factors_y2[Q] * quant_val) + 64) >> 7;
cpi->Y2round[Q][rc] = (qrounding_factors_y2[Q] * quant_val) >> 7;
cpi->common.Y2dequant[Q][rc] = quant_val;
cpi->zrun_zbin_boost_y2[Q][i] = (quant_val * zbin_boost[i]) >> 7;
quant_val = vp8_ac_uv_quant(Q, cpi->common.uvac_delta_q);
cpi->UVquant[Q][rc] = (1 << 16) / quant_val;
cpi->UVzbin[Q][rc] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
cpi->UVround[Q][rc] = (qrounding_factors[Q] * quant_val) >> 7;
cpi->common.UVdequant[Q][rc] = quant_val;
cpi->zrun_zbin_boost_uv[Q][i] = (quant_val * zbin_boost[i]) >> 7;
}
}
}
#endif
#define ZBIN_EXTRA_Y \
(( cpi->common.Y1dequant[QIndex][1] * \