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Add checks in MB quantizer initialization 

In some situations (f.g. error-resilient is turned on), vp8cx_mb
_init_quantizer() was called once per macroblock. Added checks
to avoid calculations when there is no change.

Change-Id: Ie4f0a5ade2202041254990a4e9d5b03bd1ac5aea
This commit is contained in:
Yunqing Wang 2011-11-01 16:20:00 -04:00
Родитель e0309e1509
Коммит e44720af84
3 изменённых файлов: 98 добавлений и 68 удалений
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1
vp8/encoder/block.h
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@ -90,6 +90,7 @@ typedef struct
unsigned int * mb_activity_ptr;
int * mb_norm_activity_ptr;
signed int act_zbin_adj;
signed int last_act_zbin_adj;
int mvcosts[2][MVvals+1];
int *mvcost[2];

2
vp8/encoder/onyx_int.h
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@ -411,6 +411,8 @@ typedef struct VP8_COMP
int zbin_over_quant;
int zbin_mode_boost;
int zbin_mode_boost_enabled;
int last_zbin_over_quant;
int last_zbin_mode_boost;
int64_t total_byte_count;

163
vp8/encoder/quantize.c
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@ -565,6 +565,23 @@ void vp8cx_init_quantizer(VP8_COMP *cpi)
}
#endif
#define ZBIN_EXTRA_Y \
(( cpi->common.Y1dequant[QIndex][1] * \
( cpi->zbin_over_quant + \
cpi->zbin_mode_boost + \
x->act_zbin_adj ) ) >> 7)
#define ZBIN_EXTRA_UV \
(( cpi->common.UVdequant[QIndex][1] * \
( cpi->zbin_over_quant + \
cpi->zbin_mode_boost + \
x->act_zbin_adj ) ) >> 7)
#define ZBIN_EXTRA_Y2 \
(( cpi->common.Y2dequant[QIndex][1] * \
( (cpi->zbin_over_quant / 2) + \
cpi->zbin_mode_boost + \
x->act_zbin_adj ) ) >> 7)
void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
{
@ -590,62 +607,83 @@ void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
else
QIndex = cpi->common.base_qindex;
// Y
zbin_extra = ( cpi->common.Y1dequant[QIndex][1] *
( cpi->zbin_over_quant +
cpi->zbin_mode_boost +
x->act_zbin_adj ) ) >> 7;
for (i = 0; i < 16; i++)
if (QIndex != x->q_index)
{
x->block[i].quant = cpi->Y1quant[QIndex];
x->block[i].quant_fast = cpi->Y1quant_fast[QIndex];
x->block[i].quant_shift = cpi->Y1quant_shift[QIndex];
x->block[i].zbin = cpi->Y1zbin[QIndex];
x->block[i].round = cpi->Y1round[QIndex];
x->e_mbd.block[i].dequant = cpi->common.Y1dequant[QIndex];
x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_y1[QIndex];
x->block[i].zbin_extra = (short)zbin_extra;
// Y
zbin_extra = ZBIN_EXTRA_Y;
for (i = 0; i < 16; i++)
{
x->block[i].quant = cpi->Y1quant[QIndex];
x->block[i].quant_fast = cpi->Y1quant_fast[QIndex];
x->block[i].quant_shift = cpi->Y1quant_shift[QIndex];
x->block[i].zbin = cpi->Y1zbin[QIndex];
x->block[i].round = cpi->Y1round[QIndex];
x->e_mbd.block[i].dequant = cpi->common.Y1dequant[QIndex];
x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_y1[QIndex];
x->block[i].zbin_extra = (short)zbin_extra;
}
// UV
zbin_extra = ZBIN_EXTRA_UV;
for (i = 16; i < 24; i++)
{
x->block[i].quant = cpi->UVquant[QIndex];
x->block[i].quant_fast = cpi->UVquant_fast[QIndex];
x->block[i].quant_shift = cpi->UVquant_shift[QIndex];
x->block[i].zbin = cpi->UVzbin[QIndex];
x->block[i].round = cpi->UVround[QIndex];
x->e_mbd.block[i].dequant = cpi->common.UVdequant[QIndex];
x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_uv[QIndex];
x->block[i].zbin_extra = (short)zbin_extra;
}
// Y2
zbin_extra = ZBIN_EXTRA_Y2;
x->block[24].quant_fast = cpi->Y2quant_fast[QIndex];
x->block[24].quant = cpi->Y2quant[QIndex];
x->block[24].quant_shift = cpi->Y2quant_shift[QIndex];
x->block[24].zbin = cpi->Y2zbin[QIndex];
x->block[24].round = cpi->Y2round[QIndex];
x->e_mbd.block[24].dequant = cpi->common.Y2dequant[QIndex];
x->block[24].zrun_zbin_boost = cpi->zrun_zbin_boost_y2[QIndex];
x->block[24].zbin_extra = (short)zbin_extra;
/* save this macroblock QIndex for vp8_update_zbin_extra() */
x->q_index = QIndex;
cpi->last_zbin_over_quant = cpi->zbin_over_quant;
cpi->last_zbin_mode_boost = cpi->zbin_mode_boost;
x->last_act_zbin_adj = x->act_zbin_adj;
}
// UV
zbin_extra = ( cpi->common.UVdequant[QIndex][1] *
( cpi->zbin_over_quant +
cpi->zbin_mode_boost +
x->act_zbin_adj ) ) >> 7;
for (i = 16; i < 24; i++)
else if(cpi->last_zbin_over_quant != cpi->zbin_over_quant
|| cpi->last_zbin_mode_boost != cpi->zbin_mode_boost
|| x->last_act_zbin_adj != x->act_zbin_adj)
{
x->block[i].quant = cpi->UVquant[QIndex];
x->block[i].quant_fast = cpi->UVquant_fast[QIndex];
x->block[i].quant_shift = cpi->UVquant_shift[QIndex];
x->block[i].zbin = cpi->UVzbin[QIndex];
x->block[i].round = cpi->UVround[QIndex];
x->e_mbd.block[i].dequant = cpi->common.UVdequant[QIndex];
x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_uv[QIndex];
x->block[i].zbin_extra = (short)zbin_extra;
// Y
zbin_extra = ZBIN_EXTRA_Y;
for (i = 0; i < 16; i++)
x->block[i].zbin_extra = (short)zbin_extra;
// UV
zbin_extra = ZBIN_EXTRA_UV;
for (i = 16; i < 24; i++)
x->block[i].zbin_extra = (short)zbin_extra;
// Y2
zbin_extra = ZBIN_EXTRA_Y2;
x->block[24].zbin_extra = (short)zbin_extra;
cpi->last_zbin_over_quant = cpi->zbin_over_quant;
cpi->last_zbin_mode_boost = cpi->zbin_mode_boost;
x->last_act_zbin_adj = x->act_zbin_adj;
}
// Y2
zbin_extra = ( cpi->common.Y2dequant[QIndex][1] *
( (cpi->zbin_over_quant / 2) +
cpi->zbin_mode_boost +
x->act_zbin_adj ) ) >> 7;
x->block[24].quant_fast = cpi->Y2quant_fast[QIndex];
x->block[24].quant = cpi->Y2quant[QIndex];
x->block[24].quant_shift = cpi->Y2quant_shift[QIndex];
x->block[24].zbin = cpi->Y2zbin[QIndex];
x->block[24].round = cpi->Y2round[QIndex];
x->e_mbd.block[24].dequant = cpi->common.Y2dequant[QIndex];
x->block[24].zrun_zbin_boost = cpi->zrun_zbin_boost_y2[QIndex];
x->block[24].zbin_extra = (short)zbin_extra;
/* save this macroblock QIndex for vp8_update_zbin_extra() */
x->q_index = QIndex;
}
void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x)
{
int i;
@ -653,35 +691,24 @@ void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x)
int zbin_extra;
// Y
zbin_extra = ( cpi->common.Y1dequant[QIndex][1] *
( cpi->zbin_over_quant +
cpi->zbin_mode_boost +
x->act_zbin_adj ) ) >> 7;
zbin_extra = ZBIN_EXTRA_Y;
for (i = 0; i < 16; i++)
{
x->block[i].zbin_extra = (short)zbin_extra;
}
// UV
zbin_extra = ( cpi->common.UVdequant[QIndex][1] *
( cpi->zbin_over_quant +
cpi->zbin_mode_boost +
x->act_zbin_adj ) ) >> 7;
zbin_extra = ZBIN_EXTRA_UV;
for (i = 16; i < 24; i++)
{
x->block[i].zbin_extra = (short)zbin_extra;
}
// Y2
zbin_extra = ( cpi->common.Y2dequant[QIndex][1] *
( (cpi->zbin_over_quant / 2) +
cpi->zbin_mode_boost +
x->act_zbin_adj ) ) >> 7;
zbin_extra = ZBIN_EXTRA_Y2;
x->block[24].zbin_extra = (short)zbin_extra;
}
#undef ZBIN_EXTRA_Y
#undef ZBIN_EXTRA_UV
#undef ZBIN_EXTRA_Y2
void vp8cx_frame_init_quantizer(VP8_COMP *cpi)
{