| Index: libvpx/source/libvpx/vp8/encoder/quantize.c
|
| diff --git a/libvpx/source/libvpx/vp8/encoder/quantize.c b/libvpx/source/libvpx/vp8/encoder/quantize.c
|
| index 503d241238d2ee09cc0ada17fae74c031a45552b..803e3a51dd156a3360b0f2bb798beff76071beae 100644
|
| --- a/libvpx/source/libvpx/vp8/encoder/quantize.c
|
| +++ b/libvpx/source/libvpx/vp8/encoder/quantize.c
|
| @@ -12,9 +12,8 @@
|
| #include <math.h>
|
| #include "vpx_mem/vpx_mem.h"
|
|
|
| -#include "onyx_int.h"
|
| #include "quantize.h"
|
| -#include "vp8/common/quant_common.h"
|
| +#include "vp8/common/entropy.h"
|
|
|
| #define EXACT_QUANT
|
|
|
| @@ -28,7 +27,7 @@ void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
|
| 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 *quant_shift_ptr = b->quant_shift;
|
| short *qcoeff_ptr = d->qcoeff;
|
| short *dqcoeff_ptr = d->dqcoeff;
|
| short *dequant_ptr = d->dequant;
|
| @@ -113,7 +112,7 @@ void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
|
| short *zbin_ptr = b->zbin;
|
| short *round_ptr = b->round;
|
| short *quant_ptr = b->quant;
|
| - unsigned char *quant_shift_ptr = b->quant_shift;
|
| + short *quant_shift_ptr = b->quant_shift;
|
| short *qcoeff_ptr = d->qcoeff;
|
| short *dqcoeff_ptr = d->dqcoeff;
|
| short *dequant_ptr = d->dequant;
|
| @@ -167,7 +166,7 @@ void vp8_strict_quantize_b(BLOCK *b, BLOCKD *d)
|
| int sz;
|
| short *coeff_ptr;
|
| short *quant_ptr;
|
| - unsigned char *quant_shift_ptr;
|
| + short *quant_shift_ptr;
|
| short *qcoeff_ptr;
|
| short *dqcoeff_ptr;
|
| short *dequant_ptr;
|
| @@ -269,7 +268,7 @@ void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
|
|
|
| #endif
|
|
|
| -void vp8_quantize_mby_c(MACROBLOCK *x)
|
| +void vp8_quantize_mby(MACROBLOCK *x)
|
| {
|
| int i;
|
| int has_2nd_order = (x->e_mbd.mode_info_context->mbmi.mode != B_PRED
|
| @@ -282,7 +281,7 @@ void vp8_quantize_mby_c(MACROBLOCK *x)
|
| x->quantize_b(&x->block[24], &x->e_mbd.block[24]);
|
| }
|
|
|
| -void vp8_quantize_mb_c(MACROBLOCK *x)
|
| +void vp8_quantize_mb(MACROBLOCK *x)
|
| {
|
| int i;
|
| int has_2nd_order=(x->e_mbd.mode_info_context->mbmi.mode != B_PRED
|
| @@ -293,442 +292,10 @@ void vp8_quantize_mb_c(MACROBLOCK *x)
|
| }
|
|
|
|
|
| -void vp8_quantize_mbuv_c(MACROBLOCK *x)
|
| +void vp8_quantize_mbuv(MACROBLOCK *x)
|
| {
|
| int i;
|
|
|
| for (i = 16; i < 24; i++)
|
| x->quantize_b(&x->block[i], &x->e_mbd.block[i]);
|
| }
|
| -
|
| -/* quantize_b_pair function pointer in MACROBLOCK structure is set to one of
|
| - * these two C functions if corresponding optimized routine is not available.
|
| - * NEON optimized version implements currently the fast quantization for pair
|
| - * of blocks. */
|
| -void vp8_regular_quantize_b_pair(BLOCK *b1, BLOCK *b2, BLOCKD *d1, BLOCKD *d2)
|
| -{
|
| - vp8_regular_quantize_b(b1, d1);
|
| - vp8_regular_quantize_b(b2, d2);
|
| -}
|
| -
|
| -void vp8_fast_quantize_b_pair_c(BLOCK *b1, BLOCK *b2, BLOCKD *d1, BLOCKD *d2)
|
| -{
|
| - vp8_fast_quantize_b_c(b1, d1);
|
| - vp8_fast_quantize_b_c(b2, d2);
|
| -}
|
| -
|
| -
|
| -static const int qrounding_factors[129] =
|
| -{
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48
|
| -};
|
| -
|
| -
|
| -static const int qzbin_factors[129] =
|
| -{
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80
|
| -};
|
| -
|
| -
|
| -static const int qrounding_factors_y2[129] =
|
| -{
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48, 48, 48, 48, 48, 48, 48, 48,
|
| - 48
|
| -};
|
| -
|
| -
|
| -static const int qzbin_factors_y2[129] =
|
| -{
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 84, 84, 84, 84, 84, 84, 84, 84,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80, 80, 80, 80, 80, 80, 80, 80,
|
| - 80
|
| -};
|
| -
|
| -
|
| -#define EXACT_QUANT
|
| -#ifdef EXACT_QUANT
|
| -static void invert_quant(int improved_quant, short *quant,
|
| - unsigned char *shift, short d)
|
| -{
|
| - if(improved_quant)
|
| - {
|
| - unsigned t;
|
| - int l;
|
| - t = d;
|
| - for(l = 0; t > 1; l++)
|
| - t>>=1;
|
| - t = 1 + (1<<(16+l))/d;
|
| - *quant = (short)(t - (1<<16));
|
| - *shift = l;
|
| - }
|
| - else
|
| - {
|
| - *quant = (1 << 16) / d;
|
| - *shift = 0;
|
| - }
|
| -}
|
| -
|
| -
|
| -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_fast[Q][0] = (1 << 16) / quant_val;
|
| - invert_quant(cpi->sf.improved_quant, cpi->Y1quant[Q] + 0,
|
| - cpi->Y1quant_shift[Q] + 0, 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_fast[Q][0] = (1 << 16) / quant_val;
|
| - invert_quant(cpi->sf.improved_quant, cpi->Y2quant[Q] + 0,
|
| - cpi->Y2quant_shift[Q] + 0, 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_fast[Q][0] = (1 << 16) / quant_val;
|
| - invert_quant(cpi->sf.improved_quant, cpi->UVquant[Q] + 0,
|
| - cpi->UVquant_shift[Q] + 0, 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_fast[Q][rc] = (1 << 16) / quant_val;
|
| - invert_quant(cpi->sf.improved_quant, cpi->Y1quant[Q] + rc,
|
| - cpi->Y1quant_shift[Q] + rc, 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_fast[Q][rc] = (1 << 16) / quant_val;
|
| - invert_quant(cpi->sf.improved_quant, cpi->Y2quant[Q] + rc,
|
| - cpi->Y2quant_shift[Q] + rc, 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_fast[Q][rc] = (1 << 16) / quant_val;
|
| - invert_quant(cpi->sf.improved_quant, cpi->UVquant[Q] + rc,
|
| - cpi->UVquant_shift[Q] + rc, 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;
|
| - }
|
| - }
|
| -}
|
| -#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
|
| -
|
| -
|
| -void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
|
| -{
|
| - int i;
|
| - int QIndex;
|
| - MACROBLOCKD *xd = &x->e_mbd;
|
| - int zbin_extra;
|
| -
|
| - // Select the baseline MB Q index.
|
| - if (xd->segmentation_enabled)
|
| - {
|
| - // Abs Value
|
| - if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA)
|
| -
|
| - QIndex = xd->segment_feature_data[MB_LVL_ALT_Q][xd->mode_info_context->mbmi.segment_id];
|
| - // Delta Value
|
| - else
|
| - {
|
| - QIndex = cpi->common.base_qindex + xd->segment_feature_data[MB_LVL_ALT_Q][xd->mode_info_context->mbmi.segment_id];
|
| - QIndex = (QIndex >= 0) ? ((QIndex <= MAXQ) ? QIndex : MAXQ) : 0; // Clamp to valid range
|
| - }
|
| - }
|
| - 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++)
|
| - {
|
| - 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 = ( cpi->common.UVdequant[QIndex][1] *
|
| - ( cpi->zbin_over_quant +
|
| - cpi->zbin_mode_boost +
|
| - x->act_zbin_adj ) ) >> 7;
|
| -
|
| - 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 = ( 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;
|
| - int QIndex = x->q_index;
|
| - int zbin_extra;
|
| -
|
| - // 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++)
|
| - {
|
| - 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;
|
| -
|
| - 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;
|
| -
|
| - x->block[24].zbin_extra = (short)zbin_extra;
|
| -}
|
| -
|
| -
|
| -void vp8cx_frame_init_quantizer(VP8_COMP *cpi)
|
| -{
|
| - // Clear Zbin mode boost for default case
|
| - cpi->zbin_mode_boost = 0;
|
| -
|
| - // MB level quantizer setup
|
| - vp8cx_mb_init_quantizer(cpi, &cpi->mb);
|
| -}
|
| -
|
| -
|
| -void vp8_set_quantizer(struct VP8_COMP *cpi, int Q)
|
| -{
|
| - VP8_COMMON *cm = &cpi->common;
|
| - MACROBLOCKD *mbd = &cpi->mb.e_mbd;
|
| - int update = 0;
|
| - int new_delta_q;
|
| - cm->base_qindex = Q;
|
| -
|
| - /* if any of the delta_q values are changing update flag has to be set */
|
| - /* currently only y2dc_delta_q may change */
|
| -
|
| - cm->y1dc_delta_q = 0;
|
| - cm->y2ac_delta_q = 0;
|
| - cm->uvdc_delta_q = 0;
|
| - cm->uvac_delta_q = 0;
|
| -
|
| - if (Q < 4)
|
| - {
|
| - new_delta_q = 4-Q;
|
| - }
|
| - else
|
| - new_delta_q = 0;
|
| -
|
| - update |= cm->y2dc_delta_q != new_delta_q;
|
| - cm->y2dc_delta_q = new_delta_q;
|
| -
|
| -
|
| - // Set Segment specific quatizers
|
| - mbd->segment_feature_data[MB_LVL_ALT_Q][0] = cpi->segment_feature_data[MB_LVL_ALT_Q][0];
|
| - mbd->segment_feature_data[MB_LVL_ALT_Q][1] = cpi->segment_feature_data[MB_LVL_ALT_Q][1];
|
| - mbd->segment_feature_data[MB_LVL_ALT_Q][2] = cpi->segment_feature_data[MB_LVL_ALT_Q][2];
|
| - mbd->segment_feature_data[MB_LVL_ALT_Q][3] = cpi->segment_feature_data[MB_LVL_ALT_Q][3];
|
| -
|
| - /* quantizer has to be reinitialized for any delta_q changes */
|
| - if(update)
|
| - vp8cx_init_quantizer(cpi);
|
| -
|
| -}
|
| -
|
|
|