ref: 00207bc81247af208397ca31cb74f02fa7254dbc
dir: /vp8/encoder/rdopt.c/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <assert.h>
#include <stdio.h>
#include <math.h>
#include <limits.h>
#include <assert.h>
#include "vpx_config.h"
#include "vp8_rtcd.h"
#include "./vpx_dsp_rtcd.h"
#include "encodeframe.h"
#include "tokenize.h"
#include "treewriter.h"
#include "onyx_int.h"
#include "modecosts.h"
#include "encodeintra.h"
#include "pickinter.h"
#include "vp8/common/common.h"
#include "vp8/common/entropymode.h"
#include "vp8/common/reconinter.h"
#include "vp8/common/reconintra.h"
#include "vp8/common/reconintra4x4.h"
#include "vp8/common/findnearmv.h"
#include "vp8/common/quant_common.h"
#include "encodemb.h"
#include "vp8/encoder/quantize.h"
#include "vpx_dsp/variance.h"
#include "vpx_ports/system_state.h"
#include "mcomp.h"
#include "rdopt.h"
#include "vpx_mem/vpx_mem.h"
#include "vp8/common/systemdependent.h"
#if CONFIG_TEMPORAL_DENOISING
#include "denoising.h"
#endif
extern void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x);
#define MAXF(a, b) (((a) > (b)) ? (a) : (b))
typedef struct rate_distortion_struct {
int rate2;
int rate_y;
int rate_uv;
int distortion2;
int distortion_uv;
} RATE_DISTORTION;
typedef struct best_mode_struct {
int yrd;
int rd;
int intra_rd;
MB_MODE_INFO mbmode;
union b_mode_info bmodes[16];
PARTITION_INFO partition;
} BEST_MODE;
static const int auto_speed_thresh[17] = { 1000, 200, 150, 130, 150, 125,
120, 115, 115, 115, 115, 115,
115, 115, 115, 115, 105 };
const MB_PREDICTION_MODE vp8_mode_order[MAX_MODES] = {
ZEROMV, DC_PRED,
NEARESTMV, NEARMV,
ZEROMV, NEARESTMV,
ZEROMV, NEARESTMV,
NEARMV, NEARMV,
V_PRED, H_PRED, TM_PRED,
NEWMV, NEWMV, NEWMV,
SPLITMV, SPLITMV, SPLITMV,
B_PRED,
};
/* This table determines the search order in reference frame priority order,
* which may not necessarily match INTRA,LAST,GOLDEN,ARF
*/
const int vp8_ref_frame_order[MAX_MODES] = {
1, 0,
1, 1,
2, 2,
3, 3,
2, 3,
0, 0, 0,
1, 2, 3,
1, 2, 3,
0,
};
static void fill_token_costs(
int c[BLOCK_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS],
const vp8_prob p[BLOCK_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
[ENTROPY_NODES]) {
int i, j, k;
for (i = 0; i < BLOCK_TYPES; ++i) {
for (j = 0; j < COEF_BANDS; ++j) {
for (k = 0; k < PREV_COEF_CONTEXTS; ++k) {
/* check for pt=0 and band > 1 if block type 0
* and 0 if blocktype 1
*/
if (k == 0 && j > (i == 0)) {
vp8_cost_tokens2(c[i][j][k], p[i][j][k], vp8_coef_tree, 2);
} else {
vp8_cost_tokens(c[i][j][k], p[i][j][k], vp8_coef_tree);
}
}
}
}
}
static const int rd_iifactor[32] = { 4, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
/* values are now correlated to quantizer */
static const int sad_per_bit16lut[QINDEX_RANGE] = {
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11,
11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14
};
static const int sad_per_bit4lut[QINDEX_RANGE] = {
2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10,
10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
12, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16,
16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20,
};
void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex) {
cpi->mb.sadperbit16 = sad_per_bit16lut[QIndex];
cpi->mb.sadperbit4 = sad_per_bit4lut[QIndex];
}
void vp8_initialize_rd_consts(VP8_COMP *cpi, MACROBLOCK *x, int Qvalue) {
int q;
int i;
double capped_q = (Qvalue < 160) ? (double)Qvalue : 160.0;
double rdconst = 2.80;
vpx_clear_system_state();
/* Further tests required to see if optimum is different
* for key frames, golden frames and arf frames.
*/
cpi->RDMULT = (int)(rdconst * (capped_q * capped_q));
/* Extend rate multiplier along side quantizer zbin increases */
if (cpi->mb.zbin_over_quant > 0) {
double oq_factor;
double modq;
/* Experimental code using the same basic equation as used for Q above
* The units of cpi->mb.zbin_over_quant are 1/128 of Q bin size
*/
oq_factor = 1.0 + ((double)0.0015625 * cpi->mb.zbin_over_quant);
modq = (int)((double)capped_q * oq_factor);
cpi->RDMULT = (int)(rdconst * (modq * modq));
}
if (cpi->pass == 2 && (cpi->common.frame_type != KEY_FRAME)) {
if (cpi->twopass.next_iiratio > 31) {
cpi->RDMULT += (cpi->RDMULT * rd_iifactor[31]) >> 4;
} else {
cpi->RDMULT +=
(cpi->RDMULT * rd_iifactor[cpi->twopass.next_iiratio]) >> 4;
}
}
cpi->mb.errorperbit = (cpi->RDMULT / 110);
cpi->mb.errorperbit += (cpi->mb.errorperbit == 0);
vp8_set_speed_features(cpi);
for (i = 0; i < MAX_MODES; ++i) {
x->mode_test_hit_counts[i] = 0;
}
q = (int)pow(Qvalue, 1.25);
if (q < 8) q = 8;
if (cpi->RDMULT > 1000) {
cpi->RDDIV = 1;
cpi->RDMULT /= 100;
for (i = 0; i < MAX_MODES; ++i) {
if (cpi->sf.thresh_mult[i] < INT_MAX) {
x->rd_threshes[i] = cpi->sf.thresh_mult[i] * q / 100;
} else {
x->rd_threshes[i] = INT_MAX;
}
cpi->rd_baseline_thresh[i] = x->rd_threshes[i];
}
} else {
cpi->RDDIV = 100;
for (i = 0; i < MAX_MODES; ++i) {
if (cpi->sf.thresh_mult[i] < (INT_MAX / q)) {
x->rd_threshes[i] = cpi->sf.thresh_mult[i] * q;
} else {
x->rd_threshes[i] = INT_MAX;
}
cpi->rd_baseline_thresh[i] = x->rd_threshes[i];
}
}
{
/* build token cost array for the type of frame we have now */
FRAME_CONTEXT *l = &cpi->lfc_n;
if (cpi->common.refresh_alt_ref_frame) {
l = &cpi->lfc_a;
} else if (cpi->common.refresh_golden_frame) {
l = &cpi->lfc_g;
}
fill_token_costs(cpi->mb.token_costs,
(const vp8_prob(*)[8][3][11])l->coef_probs);
/*
fill_token_costs(
cpi->mb.token_costs,
(const vp8_prob( *)[8][3][11]) cpi->common.fc.coef_probs);
*/
/* TODO make these mode costs depend on last,alt or gold too. (jbb) */
vp8_init_mode_costs(cpi);
}
}
void vp8_auto_select_speed(VP8_COMP *cpi) {
int milliseconds_for_compress = (int)(1000000 / cpi->framerate);
milliseconds_for_compress =
milliseconds_for_compress * (16 - cpi->oxcf.cpu_used) / 16;
#if 0
if (0)
{
FILE *f;
f = fopen("speed.stt", "a");
fprintf(f, " %8ld %10ld %10ld %10ld\n",
cpi->common.current_video_frame, cpi->Speed, milliseconds_for_compress, cpi->avg_pick_mode_time);
fclose(f);
}
#endif
if (cpi->avg_pick_mode_time < milliseconds_for_compress &&
(cpi->avg_encode_time - cpi->avg_pick_mode_time) <
milliseconds_for_compress) {
if (cpi->avg_pick_mode_time == 0) {
cpi->Speed = 4;
} else {
if (milliseconds_for_compress * 100 < cpi->avg_encode_time * 95) {
cpi->Speed += 2;
cpi->avg_pick_mode_time = 0;
cpi->avg_encode_time = 0;
if (cpi->Speed > 16) {
cpi->Speed = 16;
}
}
if (milliseconds_for_compress * 100 >
cpi->avg_encode_time * auto_speed_thresh[cpi->Speed]) {
cpi->Speed -= 1;
cpi->avg_pick_mode_time = 0;
cpi->avg_encode_time = 0;
/* In real-time mode, cpi->speed is in [4, 16]. */
if (cpi->Speed < 4) {
cpi->Speed = 4;
}
}
}
} else {
cpi->Speed += 4;
if (cpi->Speed > 16) cpi->Speed = 16;
cpi->avg_pick_mode_time = 0;
cpi->avg_encode_time = 0;
}
}
int vp8_block_error_c(short *coeff, short *dqcoeff) {
int i;
int error = 0;
for (i = 0; i < 16; ++i) {
int this_diff = coeff[i] - dqcoeff[i];
error += this_diff * this_diff;
}
return error;
}
int vp8_mbblock_error_c(MACROBLOCK *mb, int dc) {
BLOCK *be;
BLOCKD *bd;
int i, j;
int berror, error = 0;
for (i = 0; i < 16; ++i) {
be = &mb->block[i];
bd = &mb->e_mbd.block[i];
berror = 0;
for (j = dc; j < 16; ++j) {
int this_diff = be->coeff[j] - bd->dqcoeff[j];
berror += this_diff * this_diff;
}
error += berror;
}
return error;
}
int vp8_mbuverror_c(MACROBLOCK *mb) {
BLOCK *be;
BLOCKD *bd;
int i;
int error = 0;
for (i = 16; i < 24; ++i) {
be = &mb->block[i];
bd = &mb->e_mbd.block[i];
error += vp8_block_error_c(be->coeff, bd->dqcoeff);
}
return error;
}
int VP8_UVSSE(MACROBLOCK *x) {
unsigned char *uptr, *vptr;
unsigned char *upred_ptr = (*(x->block[16].base_src) + x->block[16].src);
unsigned char *vpred_ptr = (*(x->block[20].base_src) + x->block[20].src);
int uv_stride = x->block[16].src_stride;
unsigned int sse1 = 0;
unsigned int sse2 = 0;
int mv_row = x->e_mbd.mode_info_context->mbmi.mv.as_mv.row;
int mv_col = x->e_mbd.mode_info_context->mbmi.mv.as_mv.col;
int offset;
int pre_stride = x->e_mbd.pre.uv_stride;
if (mv_row < 0) {
mv_row -= 1;
} else {
mv_row += 1;
}
if (mv_col < 0) {
mv_col -= 1;
} else {
mv_col += 1;
}
mv_row /= 2;
mv_col /= 2;
offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
uptr = x->e_mbd.pre.u_buffer + offset;
vptr = x->e_mbd.pre.v_buffer + offset;
if ((mv_row | mv_col) & 7) {
vpx_sub_pixel_variance8x8(uptr, pre_stride, mv_col & 7, mv_row & 7,
upred_ptr, uv_stride, &sse2);
vpx_sub_pixel_variance8x8(vptr, pre_stride, mv_col & 7, mv_row & 7,
vpred_ptr, uv_stride, &sse1);
sse2 += sse1;
} else {
vpx_variance8x8(uptr, pre_stride, upred_ptr, uv_stride, &sse2);
vpx_variance8x8(vptr, pre_stride, vpred_ptr, uv_stride, &sse1);
sse2 += sse1;
}
return sse2;
}
static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, int type, ENTROPY_CONTEXT *a,
ENTROPY_CONTEXT *l) {
int c = !type; /* start at coef 0, unless Y with Y2 */
int eob = (int)(*b->eob);
int pt; /* surrounding block/prev coef predictor */
int cost = 0;
short *qcoeff_ptr = b->qcoeff;
VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
assert(eob <= 16);
for (; c < eob; ++c) {
const int v = qcoeff_ptr[vp8_default_zig_zag1d[c]];
const int t = vp8_dct_value_tokens_ptr[v].Token;
cost += mb->token_costs[type][vp8_coef_bands[c]][pt][t];
cost += vp8_dct_value_cost_ptr[v];
pt = vp8_prev_token_class[t];
}
if (c < 16) {
cost += mb->token_costs[type][vp8_coef_bands[c]][pt][DCT_EOB_TOKEN];
}
pt = (c != !type); /* is eob first coefficient; */
*a = *l = pt;
return cost;
}
static int vp8_rdcost_mby(MACROBLOCK *mb) {
int cost = 0;
int b;
MACROBLOCKD *x = &mb->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
memcpy(&t_above, mb->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&t_left, mb->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
for (b = 0; b < 16; ++b) {
cost += cost_coeffs(mb, x->block + b, PLANE_TYPE_Y_NO_DC,
ta + vp8_block2above[b], tl + vp8_block2left[b]);
}
cost += cost_coeffs(mb, x->block + 24, PLANE_TYPE_Y2,
ta + vp8_block2above[24], tl + vp8_block2left[24]);
return cost;
}
static void macro_block_yrd(MACROBLOCK *mb, int *Rate, int *Distortion) {
int b;
MACROBLOCKD *const x = &mb->e_mbd;
BLOCK *const mb_y2 = mb->block + 24;
BLOCKD *const x_y2 = x->block + 24;
short *Y2DCPtr = mb_y2->src_diff;
BLOCK *beptr;
int d;
vp8_subtract_mby(mb->src_diff, *(mb->block[0].base_src),
mb->block[0].src_stride, mb->e_mbd.predictor, 16);
/* Fdct and building the 2nd order block */
for (beptr = mb->block; beptr < mb->block + 16; beptr += 2) {
mb->short_fdct8x4(beptr->src_diff, beptr->coeff, 32);
*Y2DCPtr++ = beptr->coeff[0];
*Y2DCPtr++ = beptr->coeff[16];
}
/* 2nd order fdct */
mb->short_walsh4x4(mb_y2->src_diff, mb_y2->coeff, 8);
/* Quantization */
for (b = 0; b < 16; ++b) {
mb->quantize_b(&mb->block[b], &mb->e_mbd.block[b]);
}
/* DC predication and Quantization of 2nd Order block */
mb->quantize_b(mb_y2, x_y2);
/* Distortion */
d = vp8_mbblock_error(mb, 1) << 2;
d += vp8_block_error(mb_y2->coeff, x_y2->dqcoeff);
*Distortion = (d >> 4);
/* rate */
*Rate = vp8_rdcost_mby(mb);
}
static void copy_predictor(unsigned char *dst, const unsigned char *predictor) {
const unsigned int *p = (const unsigned int *)predictor;
unsigned int *d = (unsigned int *)dst;
d[0] = p[0];
d[4] = p[4];
d[8] = p[8];
d[12] = p[12];
}
static int rd_pick_intra4x4block(MACROBLOCK *x, BLOCK *be, BLOCKD *b,
B_PREDICTION_MODE *best_mode,
const int *bmode_costs, ENTROPY_CONTEXT *a,
ENTROPY_CONTEXT *l,
int *bestrate, int *bestratey,
int *bestdistortion) {
B_PREDICTION_MODE mode;
int best_rd = INT_MAX;
int rate = 0;
int distortion;
ENTROPY_CONTEXT ta = *a, tempa = *a;
ENTROPY_CONTEXT tl = *l, templ = *l;
/*
* The predictor buffer is a 2d buffer with a stride of 16. Create
* a temp buffer that meets the stride requirements, but we are only
* interested in the left 4x4 block
* */
DECLARE_ALIGNED(16, unsigned char, best_predictor[16 * 4]);
DECLARE_ALIGNED(16, short, best_dqcoeff[16]);
int dst_stride = x->e_mbd.dst.y_stride;
unsigned char *dst = x->e_mbd.dst.y_buffer + b->offset;
unsigned char *Above = dst - dst_stride;
unsigned char *yleft = dst - 1;
unsigned char top_left = Above[-1];
for (mode = B_DC_PRED; mode <= B_HU_PRED; ++mode) {
int this_rd;
int ratey;
rate = bmode_costs[mode];
vp8_intra4x4_predict(Above, yleft, dst_stride, mode, b->predictor, 16,
top_left);
vp8_subtract_b(be, b, 16);
x->short_fdct4x4(be->src_diff, be->coeff, 32);
x->quantize_b(be, b);
tempa = ta;
templ = tl;
ratey = cost_coeffs(x, b, PLANE_TYPE_Y_WITH_DC, &tempa, &templ);
rate += ratey;
distortion = vp8_block_error(be->coeff, b->dqcoeff) >> 2;
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_rd) {
*bestrate = rate;
*bestratey = ratey;
*bestdistortion = distortion;
best_rd = this_rd;
*best_mode = mode;
*a = tempa;
*l = templ;
copy_predictor(best_predictor, b->predictor);
memcpy(best_dqcoeff, b->dqcoeff, 32);
}
}
b->bmi.as_mode = *best_mode;
vp8_short_idct4x4llm(best_dqcoeff, best_predictor, 16, dst, dst_stride);
return best_rd;
}
static int rd_pick_intra4x4mby_modes(MACROBLOCK *mb, int *Rate, int *rate_y,
int *Distortion, int best_rd) {
MACROBLOCKD *const xd = &mb->e_mbd;
int i;
int cost = mb->mbmode_cost[xd->frame_type][B_PRED];
int distortion = 0;
int tot_rate_y = 0;
int64_t total_rd = 0;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
const int *bmode_costs;
memcpy(&t_above, mb->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&t_left, mb->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
intra_prediction_down_copy(xd, xd->dst.y_buffer - xd->dst.y_stride + 16);
bmode_costs = mb->inter_bmode_costs;
for (i = 0; i < 16; ++i) {
MODE_INFO *const mic = xd->mode_info_context;
const int mis = xd->mode_info_stride;
B_PREDICTION_MODE best_mode = B_MODE_COUNT;
int r = 0, ry = 0, d = 0;
if (mb->e_mbd.frame_type == KEY_FRAME) {
const B_PREDICTION_MODE A = above_block_mode(mic, i, mis);
const B_PREDICTION_MODE L = left_block_mode(mic, i);
bmode_costs = mb->bmode_costs[A][L];
}
total_rd += rd_pick_intra4x4block(
mb, mb->block + i, xd->block + i, &best_mode, bmode_costs,
ta + vp8_block2above[i], tl + vp8_block2left[i], &r, &ry, &d);
cost += r;
distortion += d;
tot_rate_y += ry;
assert(best_mode != B_MODE_COUNT);
mic->bmi[i].as_mode = best_mode;
if (total_rd >= (int64_t)best_rd) break;
}
if (total_rd >= (int64_t)best_rd) return INT_MAX;
*Rate = cost;
*rate_y = tot_rate_y;
*Distortion = distortion;
return RDCOST(mb->rdmult, mb->rddiv, cost, distortion);
}
static int rd_pick_intra16x16mby_mode(MACROBLOCK *x, int *Rate, int *rate_y,
int *Distortion) {
MB_PREDICTION_MODE mode;
MB_PREDICTION_MODE mode_selected = MB_MODE_COUNT;
int rate, ratey;
int distortion;
int best_rd = INT_MAX;
int this_rd;
MACROBLOCKD *xd = &x->e_mbd;
/* Y Search for 16x16 intra prediction mode */
for (mode = DC_PRED; mode <= TM_PRED; ++mode) {
xd->mode_info_context->mbmi.mode = mode;
vp8_build_intra_predictors_mby_s(xd, xd->dst.y_buffer - xd->dst.y_stride,
xd->dst.y_buffer - 1, xd->dst.y_stride,
xd->predictor, 16);
macro_block_yrd(x, &ratey, &distortion);
rate = ratey +
x->mbmode_cost[xd->frame_type][xd->mode_info_context->mbmi.mode];
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_rd) {
mode_selected = mode;
best_rd = this_rd;
*Rate = rate;
*rate_y = ratey;
*Distortion = distortion;
}
}
assert(mode_selected != MB_MODE_COUNT);
xd->mode_info_context->mbmi.mode = mode_selected;
return best_rd;
}
static int rd_cost_mbuv(MACROBLOCK *mb) {
int b;
int cost = 0;
MACROBLOCKD *x = &mb->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
memcpy(&t_above, mb->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&t_left, mb->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
for (b = 16; b < 24; ++b) {
cost += cost_coeffs(mb, x->block + b, PLANE_TYPE_UV,
ta + vp8_block2above[b], tl + vp8_block2left[b]);
}
return cost;
}
static int rd_inter16x16_uv(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
int *distortion, int fullpixel) {
(void)cpi;
(void)fullpixel;
vp8_build_inter16x16_predictors_mbuv(&x->e_mbd);
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->src.uv_stride, &x->e_mbd.predictor[256],
&x->e_mbd.predictor[320], 8);
vp8_transform_mbuv(x);
vp8_quantize_mbuv(x);
*rate = rd_cost_mbuv(x);
*distortion = vp8_mbuverror(x) / 4;
return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
}
static int rd_inter4x4_uv(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
int *distortion, int fullpixel) {
(void)cpi;
(void)fullpixel;
vp8_build_inter4x4_predictors_mbuv(&x->e_mbd);
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->src.uv_stride, &x->e_mbd.predictor[256],
&x->e_mbd.predictor[320], 8);
vp8_transform_mbuv(x);
vp8_quantize_mbuv(x);
*rate = rd_cost_mbuv(x);
*distortion = vp8_mbuverror(x) / 4;
return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
}
static void rd_pick_intra_mbuv_mode(MACROBLOCK *x, int *rate,
int *rate_tokenonly, int *distortion) {
MB_PREDICTION_MODE mode;
MB_PREDICTION_MODE mode_selected = MB_MODE_COUNT;
int best_rd = INT_MAX;
int d = 0, r = 0;
int rate_to;
MACROBLOCKD *xd = &x->e_mbd;
for (mode = DC_PRED; mode <= TM_PRED; ++mode) {
int this_rate;
int this_distortion;
int this_rd;
xd->mode_info_context->mbmi.uv_mode = mode;
vp8_build_intra_predictors_mbuv_s(
xd, xd->dst.u_buffer - xd->dst.uv_stride,
xd->dst.v_buffer - xd->dst.uv_stride, xd->dst.u_buffer - 1,
xd->dst.v_buffer - 1, xd->dst.uv_stride, &xd->predictor[256],
&xd->predictor[320], 8);
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->src.uv_stride, &xd->predictor[256],
&xd->predictor[320], 8);
vp8_transform_mbuv(x);
vp8_quantize_mbuv(x);
rate_to = rd_cost_mbuv(x);
this_rate =
rate_to + x->intra_uv_mode_cost[xd->frame_type]
[xd->mode_info_context->mbmi.uv_mode];
this_distortion = vp8_mbuverror(x) / 4;
this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion);
if (this_rd < best_rd) {
best_rd = this_rd;
d = this_distortion;
r = this_rate;
*rate_tokenonly = rate_to;
mode_selected = mode;
}
}
*rate = r;
*distortion = d;
assert(mode_selected != MB_MODE_COUNT);
xd->mode_info_context->mbmi.uv_mode = mode_selected;
}
int vp8_cost_mv_ref(MB_PREDICTION_MODE m, const int near_mv_ref_ct[4]) {
vp8_prob p[VP8_MVREFS - 1];
assert(NEARESTMV <= m && m <= SPLITMV);
vp8_mv_ref_probs(p, near_mv_ref_ct);
return vp8_cost_token(vp8_mv_ref_tree, p,
vp8_mv_ref_encoding_array + (m - NEARESTMV));
}
void vp8_set_mbmode_and_mvs(MACROBLOCK *x, MB_PREDICTION_MODE mb, int_mv *mv) {
x->e_mbd.mode_info_context->mbmi.mode = mb;
x->e_mbd.mode_info_context->mbmi.mv.as_int = mv->as_int;
}
static int labels2mode(MACROBLOCK *x, int const *labelings, int which_label,
B_PREDICTION_MODE this_mode, int_mv *this_mv,
int_mv *best_ref_mv, int *mvcost[2]) {
MACROBLOCKD *const xd = &x->e_mbd;
MODE_INFO *const mic = xd->mode_info_context;
const int mis = xd->mode_info_stride;
int cost = 0;
int thismvcost = 0;
/* We have to be careful retrieving previously-encoded motion vectors.
Ones from this macroblock have to be pulled from the BLOCKD array
as they have not yet made it to the bmi array in our MB_MODE_INFO. */
int i = 0;
do {
BLOCKD *const d = xd->block + i;
const int row = i >> 2, col = i & 3;
B_PREDICTION_MODE m;
if (labelings[i] != which_label) continue;
if (col && labelings[i] == labelings[i - 1]) {
m = LEFT4X4;
} else if (row && labelings[i] == labelings[i - 4]) {
m = ABOVE4X4;
} else {
/* the only time we should do costing for new motion vector
* or mode is when we are on a new label (jbb May 08, 2007)
*/
switch (m = this_mode) {
case NEW4X4:
thismvcost = vp8_mv_bit_cost(this_mv, best_ref_mv, mvcost, 102);
break;
case LEFT4X4:
this_mv->as_int = col ? d[-1].bmi.mv.as_int : left_block_mv(mic, i);
break;
case ABOVE4X4:
this_mv->as_int =
row ? d[-4].bmi.mv.as_int : above_block_mv(mic, i, mis);
break;
case ZERO4X4: this_mv->as_int = 0; break;
default: break;
}
if (m == ABOVE4X4) { /* replace above with left if same */
int_mv left_mv;
left_mv.as_int = col ? d[-1].bmi.mv.as_int : left_block_mv(mic, i);
if (left_mv.as_int == this_mv->as_int) m = LEFT4X4;
}
cost = x->inter_bmode_costs[m];
}
d->bmi.mv.as_int = this_mv->as_int;
x->partition_info->bmi[i].mode = m;
x->partition_info->bmi[i].mv.as_int = this_mv->as_int;
} while (++i < 16);
cost += thismvcost;
return cost;
}
static int rdcost_mbsegment_y(MACROBLOCK *mb, const int *labels,
int which_label, ENTROPY_CONTEXT *ta,
ENTROPY_CONTEXT *tl) {
int cost = 0;
int b;
MACROBLOCKD *x = &mb->e_mbd;
for (b = 0; b < 16; ++b) {
if (labels[b] == which_label) {
cost += cost_coeffs(mb, x->block + b, PLANE_TYPE_Y_WITH_DC,
ta + vp8_block2above[b], tl + vp8_block2left[b]);
}
}
return cost;
}
static unsigned int vp8_encode_inter_mb_segment(MACROBLOCK *x,
int const *labels,
int which_label) {
int i;
unsigned int distortion = 0;
int pre_stride = x->e_mbd.pre.y_stride;
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
for (i = 0; i < 16; ++i) {
if (labels[i] == which_label) {
BLOCKD *bd = &x->e_mbd.block[i];
BLOCK *be = &x->block[i];
vp8_build_inter_predictors_b(bd, 16, base_pre, pre_stride,
x->e_mbd.subpixel_predict);
vp8_subtract_b(be, bd, 16);
x->short_fdct4x4(be->src_diff, be->coeff, 32);
x->quantize_b(be, bd);
distortion += vp8_block_error(be->coeff, bd->dqcoeff);
}
}
return distortion;
}
static const unsigned int segmentation_to_sseshift[4] = { 3, 3, 2, 0 };
typedef struct {
int_mv *ref_mv;
int_mv mvp;
int segment_rd;
int segment_num;
int r;
int d;
int segment_yrate;
B_PREDICTION_MODE modes[16];
int_mv mvs[16];
unsigned char eobs[16];
int mvthresh;
int *mdcounts;
int_mv sv_mvp[4]; /* save 4 mvp from 8x8 */
int sv_istep[2]; /* save 2 initial step_param for 16x8/8x16 */
} BEST_SEG_INFO;
static void rd_check_segment(VP8_COMP *cpi, MACROBLOCK *x, BEST_SEG_INFO *bsi,
unsigned int segmentation) {
int i;
int const *labels;
int br = 0;
int bd = 0;
B_PREDICTION_MODE this_mode;
int label_count;
int this_segment_rd = 0;
int label_mv_thresh;
int rate = 0;
int sbr = 0;
int sbd = 0;
int segmentyrate = 0;
vp8_variance_fn_ptr_t *v_fn_ptr;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT_PLANES t_above_b, t_left_b;
memcpy(&t_above, x->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&t_left, x->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
vp8_zero(t_above_b);
vp8_zero(t_left_b);
br = 0;
bd = 0;
v_fn_ptr = &cpi->fn_ptr[segmentation];
labels = vp8_mbsplits[segmentation];
label_count = vp8_mbsplit_count[segmentation];
/* 64 makes this threshold really big effectively making it so that we
* very rarely check mvs on segments. setting this to 1 would make mv
* thresh roughly equal to what it is for macroblocks
*/
label_mv_thresh = 1 * bsi->mvthresh / label_count;
/* Segmentation method overheads */
rate = vp8_cost_token(vp8_mbsplit_tree, vp8_mbsplit_probs,
vp8_mbsplit_encodings + segmentation);
rate += vp8_cost_mv_ref(SPLITMV, bsi->mdcounts);
this_segment_rd += RDCOST(x->rdmult, x->rddiv, rate, 0);
br += rate;
for (i = 0; i < label_count; ++i) {
int_mv mode_mv[B_MODE_COUNT];
int best_label_rd = INT_MAX;
B_PREDICTION_MODE mode_selected = ZERO4X4;
int bestlabelyrate = 0;
/* search for the best motion vector on this segment */
for (this_mode = LEFT4X4; this_mode <= NEW4X4; ++this_mode) {
int this_rd;
int distortion;
int labelyrate;
ENTROPY_CONTEXT_PLANES t_above_s, t_left_s;
ENTROPY_CONTEXT *ta_s;
ENTROPY_CONTEXT *tl_s;
memcpy(&t_above_s, &t_above, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&t_left_s, &t_left, sizeof(ENTROPY_CONTEXT_PLANES));
ta_s = (ENTROPY_CONTEXT *)&t_above_s;
tl_s = (ENTROPY_CONTEXT *)&t_left_s;
if (this_mode == NEW4X4) {
int sseshift;
int num00;
int step_param = 0;
int further_steps;
int n;
int thissme;
int bestsme = INT_MAX;
int_mv temp_mv;
BLOCK *c;
BLOCKD *e;
/* Is the best so far sufficiently good that we cant justify
* doing a new motion search.
*/
if (best_label_rd < label_mv_thresh) break;
if (cpi->compressor_speed) {
if (segmentation == BLOCK_8X16 || segmentation == BLOCK_16X8) {
bsi->mvp.as_int = bsi->sv_mvp[i].as_int;
if (i == 1 && segmentation == BLOCK_16X8) {
bsi->mvp.as_int = bsi->sv_mvp[2].as_int;
}
step_param = bsi->sv_istep[i];
}
/* use previous block's result as next block's MV
* predictor.
*/
if (segmentation == BLOCK_4X4 && i > 0) {
bsi->mvp.as_int = x->e_mbd.block[i - 1].bmi.mv.as_int;
if (i == 4 || i == 8 || i == 12) {
bsi->mvp.as_int = x->e_mbd.block[i - 4].bmi.mv.as_int;
}
step_param = 2;
}
}
further_steps = (MAX_MVSEARCH_STEPS - 1) - step_param;
{
int sadpb = x->sadperbit4;
int_mv mvp_full;
mvp_full.as_mv.row = bsi->mvp.as_mv.row >> 3;
mvp_full.as_mv.col = bsi->mvp.as_mv.col >> 3;
/* find first label */
n = vp8_mbsplit_offset[segmentation][i];
c = &x->block[n];
e = &x->e_mbd.block[n];
{
bestsme = cpi->diamond_search_sad(
x, c, e, &mvp_full, &mode_mv[NEW4X4], step_param, sadpb, &num00,
v_fn_ptr, x->mvcost, bsi->ref_mv);
n = num00;
num00 = 0;
while (n < further_steps) {
n++;
if (num00) {
num00--;
} else {
thissme = cpi->diamond_search_sad(
x, c, e, &mvp_full, &temp_mv, step_param + n, sadpb, &num00,
v_fn_ptr, x->mvcost, bsi->ref_mv);
if (thissme < bestsme) {
bestsme = thissme;
mode_mv[NEW4X4].as_int = temp_mv.as_int;
}
}
}
}
sseshift = segmentation_to_sseshift[segmentation];
/* Should we do a full search (best quality only) */
if ((cpi->compressor_speed == 0) && (bestsme >> sseshift) > 4000) {
/* Check if mvp_full is within the range. */
vp8_clamp_mv(&mvp_full, x->mv_col_min, x->mv_col_max, x->mv_row_min,
x->mv_row_max);
thissme = cpi->full_search_sad(x, c, e, &mvp_full, sadpb, 16,
v_fn_ptr, x->mvcost, bsi->ref_mv);
if (thissme < bestsme) {
bestsme = thissme;
mode_mv[NEW4X4].as_int = e->bmi.mv.as_int;
} else {
/* The full search result is actually worse so
* re-instate the previous best vector
*/
e->bmi.mv.as_int = mode_mv[NEW4X4].as_int;
}
}
}
if (bestsme < INT_MAX) {
int disto;
unsigned int sse;
cpi->find_fractional_mv_step(x, c, e, &mode_mv[NEW4X4], bsi->ref_mv,
x->errorperbit, v_fn_ptr, x->mvcost,
&disto, &sse);
}
} /* NEW4X4 */
rate = labels2mode(x, labels, i, this_mode, &mode_mv[this_mode],
bsi->ref_mv, x->mvcost);
/* Trap vectors that reach beyond the UMV borders */
if (((mode_mv[this_mode].as_mv.row >> 3) < x->mv_row_min) ||
((mode_mv[this_mode].as_mv.row >> 3) > x->mv_row_max) ||
((mode_mv[this_mode].as_mv.col >> 3) < x->mv_col_min) ||
((mode_mv[this_mode].as_mv.col >> 3) > x->mv_col_max)) {
continue;
}
distortion = vp8_encode_inter_mb_segment(x, labels, i) / 4;
labelyrate = rdcost_mbsegment_y(x, labels, i, ta_s, tl_s);
rate += labelyrate;
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_label_rd) {
sbr = rate;
sbd = distortion;
bestlabelyrate = labelyrate;
mode_selected = this_mode;
best_label_rd = this_rd;
memcpy(&t_above_b, &t_above_s, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&t_left_b, &t_left_s, sizeof(ENTROPY_CONTEXT_PLANES));
}
} /*for each 4x4 mode*/
memcpy(&t_above, &t_above_b, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&t_left, &t_left_b, sizeof(ENTROPY_CONTEXT_PLANES));
labels2mode(x, labels, i, mode_selected, &mode_mv[mode_selected],
bsi->ref_mv, x->mvcost);
br += sbr;
bd += sbd;
segmentyrate += bestlabelyrate;
this_segment_rd += best_label_rd;
if (this_segment_rd >= bsi->segment_rd) break;
} /* for each label */
if (this_segment_rd < bsi->segment_rd) {
bsi->r = br;
bsi->d = bd;
bsi->segment_yrate = segmentyrate;
bsi->segment_rd = this_segment_rd;
bsi->segment_num = segmentation;
/* store everything needed to come back to this!! */
for (i = 0; i < 16; ++i) {
bsi->mvs[i].as_mv = x->partition_info->bmi[i].mv.as_mv;
bsi->modes[i] = x->partition_info->bmi[i].mode;
bsi->eobs[i] = x->e_mbd.eobs[i];
}
}
}
static void vp8_cal_step_param(int sr, int *sp) {
int step = 0;
if (sr > MAX_FIRST_STEP) {
sr = MAX_FIRST_STEP;
} else if (sr < 1) {
sr = 1;
}
while (sr >>= 1) step++;
*sp = MAX_MVSEARCH_STEPS - 1 - step;
}
static int vp8_rd_pick_best_mbsegmentation(VP8_COMP *cpi, MACROBLOCK *x,
int_mv *best_ref_mv, int best_rd,
int *mdcounts, int *returntotrate,
int *returnyrate,
int *returndistortion,
int mvthresh) {
int i;
BEST_SEG_INFO bsi;
memset(&bsi, 0, sizeof(bsi));
bsi.segment_rd = best_rd;
bsi.ref_mv = best_ref_mv;
bsi.mvp.as_int = best_ref_mv->as_int;
bsi.mvthresh = mvthresh;
bsi.mdcounts = mdcounts;
for (i = 0; i < 16; ++i) {
bsi.modes[i] = ZERO4X4;
}
if (cpi->compressor_speed == 0) {
/* for now, we will keep the original segmentation order
when in best quality mode */
rd_check_segment(cpi, x, &bsi, BLOCK_16X8);
rd_check_segment(cpi, x, &bsi, BLOCK_8X16);
rd_check_segment(cpi, x, &bsi, BLOCK_8X8);
rd_check_segment(cpi, x, &bsi, BLOCK_4X4);
} else {
int sr;
rd_check_segment(cpi, x, &bsi, BLOCK_8X8);
if (bsi.segment_rd < best_rd) {
int col_min = ((best_ref_mv->as_mv.col + 7) >> 3) - MAX_FULL_PEL_VAL;
int row_min = ((best_ref_mv->as_mv.row + 7) >> 3) - MAX_FULL_PEL_VAL;
int col_max = (best_ref_mv->as_mv.col >> 3) + MAX_FULL_PEL_VAL;
int row_max = (best_ref_mv->as_mv.row >> 3) + MAX_FULL_PEL_VAL;
int tmp_col_min = x->mv_col_min;
int tmp_col_max = x->mv_col_max;
int tmp_row_min = x->mv_row_min;
int tmp_row_max = x->mv_row_max;
/* Get intersection of UMV window and valid MV window to reduce # of
* checks in diamond search. */
if (x->mv_col_min < col_min) x->mv_col_min = col_min;
if (x->mv_col_max > col_max) x->mv_col_max = col_max;
if (x->mv_row_min < row_min) x->mv_row_min = row_min;
if (x->mv_row_max > row_max) x->mv_row_max = row_max;
/* Get 8x8 result */
bsi.sv_mvp[0].as_int = bsi.mvs[0].as_int;
bsi.sv_mvp[1].as_int = bsi.mvs[2].as_int;
bsi.sv_mvp[2].as_int = bsi.mvs[8].as_int;
bsi.sv_mvp[3].as_int = bsi.mvs[10].as_int;
/* Use 8x8 result as 16x8/8x16's predictor MV. Adjust search range
* according to the closeness of 2 MV. */
/* block 8X16 */
{
sr =
MAXF((abs(bsi.sv_mvp[0].as_mv.row - bsi.sv_mvp[2].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[0].as_mv.col - bsi.sv_mvp[2].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[0]);
sr =
MAXF((abs(bsi.sv_mvp[1].as_mv.row - bsi.sv_mvp[3].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[1].as_mv.col - bsi.sv_mvp[3].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[1]);
rd_check_segment(cpi, x, &bsi, BLOCK_8X16);
}
/* block 16X8 */
{
sr =
MAXF((abs(bsi.sv_mvp[0].as_mv.row - bsi.sv_mvp[1].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[0].as_mv.col - bsi.sv_mvp[1].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[0]);
sr =
MAXF((abs(bsi.sv_mvp[2].as_mv.row - bsi.sv_mvp[3].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[2].as_mv.col - bsi.sv_mvp[3].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[1]);
rd_check_segment(cpi, x, &bsi, BLOCK_16X8);
}
/* If 8x8 is better than 16x8/8x16, then do 4x4 search */
/* Not skip 4x4 if speed=0 (good quality) */
if (cpi->sf.no_skip_block4x4_search || bsi.segment_num == BLOCK_8X8)
/* || (sv_segment_rd8x8-bsi.segment_rd) < sv_segment_rd8x8>>5) */
{
bsi.mvp.as_int = bsi.sv_mvp[0].as_int;
rd_check_segment(cpi, x, &bsi, BLOCK_4X4);
}
/* restore UMV window */
x->mv_col_min = tmp_col_min;
x->mv_col_max = tmp_col_max;
x->mv_row_min = tmp_row_min;
x->mv_row_max = tmp_row_max;
}
}
/* set it to the best */
for (i = 0; i < 16; ++i) {
BLOCKD *bd = &x->e_mbd.block[i];
bd->bmi.mv.as_int = bsi.mvs[i].as_int;
*bd->eob = bsi.eobs[i];
}
*returntotrate = bsi.r;
*returndistortion = bsi.d;
*returnyrate = bsi.segment_yrate;
/* save partitions */
x->e_mbd.mode_info_context->mbmi.partitioning = bsi.segment_num;
x->partition_info->count = vp8_mbsplit_count[bsi.segment_num];
for (i = 0; i < x->partition_info->count; ++i) {
int j;
j = vp8_mbsplit_offset[bsi.segment_num][i];
x->partition_info->bmi[i].mode = bsi.modes[j];
x->partition_info->bmi[i].mv.as_mv = bsi.mvs[j].as_mv;
}
/*
* used to set x->e_mbd.mode_info_context->mbmi.mv.as_int
*/
x->partition_info->bmi[15].mv.as_int = bsi.mvs[15].as_int;
return bsi.segment_rd;
}
/* The improved MV prediction */
void vp8_mv_pred(VP8_COMP *cpi, MACROBLOCKD *xd, const MODE_INFO *here,
int_mv *mvp, int refframe, int *ref_frame_sign_bias, int *sr,
int near_sadidx[]) {
const MODE_INFO *above = here - xd->mode_info_stride;
const MODE_INFO *left = here - 1;
const MODE_INFO *aboveleft = above - 1;
int_mv near_mvs[8];
int near_ref[8];
int_mv mv;
int vcnt = 0;
int find = 0;
int mb_offset;
int mvx[8];
int mvy[8];
int i;
mv.as_int = 0;
if (here->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[0].as_int = near_mvs[1].as_int = near_mvs[2].as_int =
near_mvs[3].as_int = near_mvs[4].as_int = near_mvs[5].as_int =
near_mvs[6].as_int = near_mvs[7].as_int = 0;
near_ref[0] = near_ref[1] = near_ref[2] = near_ref[3] = near_ref[4] =
near_ref[5] = near_ref[6] = near_ref[7] = 0;
/* read in 3 nearby block's MVs from current frame as prediction
* candidates.
*/
if (above->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[vcnt].as_int = above->mbmi.mv.as_int;
mv_bias(ref_frame_sign_bias[above->mbmi.ref_frame], refframe,
&near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = above->mbmi.ref_frame;
}
vcnt++;
if (left->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[vcnt].as_int = left->mbmi.mv.as_int;
mv_bias(ref_frame_sign_bias[left->mbmi.ref_frame], refframe,
&near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = left->mbmi.ref_frame;
}
vcnt++;
if (aboveleft->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[vcnt].as_int = aboveleft->mbmi.mv.as_int;
mv_bias(ref_frame_sign_bias[aboveleft->mbmi.ref_frame], refframe,
&near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = aboveleft->mbmi.ref_frame;
}
vcnt++;
/* read in 5 nearby block's MVs from last frame. */
if (cpi->common.last_frame_type != KEY_FRAME) {
mb_offset = (-xd->mb_to_top_edge / 128 + 1) * (xd->mode_info_stride + 1) +
(-xd->mb_to_left_edge / 128 + 1);
/* current in last frame */
if (cpi->lf_ref_frame[mb_offset] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset], refframe,
&near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset];
}
vcnt++;
/* above in last frame */
if (cpi->lf_ref_frame[mb_offset - xd->mode_info_stride - 1] !=
INTRA_FRAME) {
near_mvs[vcnt].as_int =
cpi->lfmv[mb_offset - xd->mode_info_stride - 1].as_int;
mv_bias(
cpi->lf_ref_frame_sign_bias[mb_offset - xd->mode_info_stride - 1],
refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] =
cpi->lf_ref_frame[mb_offset - xd->mode_info_stride - 1];
}
vcnt++;
/* left in last frame */
if (cpi->lf_ref_frame[mb_offset - 1] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset - 1].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset - 1], refframe,
&near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset - 1];
}
vcnt++;
/* right in last frame */
if (cpi->lf_ref_frame[mb_offset + 1] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset + 1].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset + 1], refframe,
&near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset + 1];
}
vcnt++;
/* below in last frame */
if (cpi->lf_ref_frame[mb_offset + xd->mode_info_stride + 1] !=
INTRA_FRAME) {
near_mvs[vcnt].as_int =
cpi->lfmv[mb_offset + xd->mode_info_stride + 1].as_int;
mv_bias(
cpi->lf_ref_frame_sign_bias[mb_offset + xd->mode_info_stride + 1],
refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] =
cpi->lf_ref_frame[mb_offset + xd->mode_info_stride + 1];
}
vcnt++;
}
for (i = 0; i < vcnt; ++i) {
if (near_ref[near_sadidx[i]] != INTRA_FRAME) {
if (here->mbmi.ref_frame == near_ref[near_sadidx[i]]) {
mv.as_int = near_mvs[near_sadidx[i]].as_int;
find = 1;
if (i < 3) {
*sr = 3;
} else {
*sr = 2;
}
break;
}
}
}
if (!find) {
for (i = 0; i < vcnt; ++i) {
mvx[i] = near_mvs[i].as_mv.row;
mvy[i] = near_mvs[i].as_mv.col;
}
insertsortmv(mvx, vcnt);
insertsortmv(mvy, vcnt);
mv.as_mv.row = mvx[vcnt / 2];
mv.as_mv.col = mvy[vcnt / 2];
/* sr is set to 0 to allow calling function to decide the search
* range.
*/
*sr = 0;
}
}
/* Set up return values */
mvp->as_int = mv.as_int;
vp8_clamp_mv2(mvp, xd);
}
void vp8_cal_sad(VP8_COMP *cpi, MACROBLOCKD *xd, MACROBLOCK *x,
int recon_yoffset, int near_sadidx[]) {
/* near_sad indexes:
* 0-cf above, 1-cf left, 2-cf aboveleft,
* 3-lf current, 4-lf above, 5-lf left, 6-lf right, 7-lf below
*/
int near_sad[8] = { 0 };
BLOCK *b = &x->block[0];
unsigned char *src_y_ptr = *(b->base_src);
/* calculate sad for current frame 3 nearby MBs. */
if (xd->mb_to_top_edge == 0 && xd->mb_to_left_edge == 0) {
near_sad[0] = near_sad[1] = near_sad[2] = INT_MAX;
} else if (xd->mb_to_top_edge ==
0) { /* only has left MB for sad calculation. */
near_sad[0] = near_sad[2] = INT_MAX;
near_sad[1] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, xd->dst.y_buffer - 16, xd->dst.y_stride);
} else if (xd->mb_to_left_edge ==
0) { /* only has left MB for sad calculation. */
near_sad[1] = near_sad[2] = INT_MAX;
near_sad[0] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, xd->dst.y_buffer - xd->dst.y_stride * 16,
xd->dst.y_stride);
} else {
near_sad[0] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, xd->dst.y_buffer - xd->dst.y_stride * 16,
xd->dst.y_stride);
near_sad[1] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, xd->dst.y_buffer - 16, xd->dst.y_stride);
near_sad[2] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, xd->dst.y_buffer - xd->dst.y_stride * 16 - 16,
xd->dst.y_stride);
}
if (cpi->common.last_frame_type != KEY_FRAME) {
/* calculate sad for last frame 5 nearby MBs. */
unsigned char *pre_y_buffer =
cpi->common.yv12_fb[cpi->common.lst_fb_idx].y_buffer + recon_yoffset;
int pre_y_stride = cpi->common.yv12_fb[cpi->common.lst_fb_idx].y_stride;
if (xd->mb_to_top_edge == 0) near_sad[4] = INT_MAX;
if (xd->mb_to_left_edge == 0) near_sad[5] = INT_MAX;
if (xd->mb_to_right_edge == 0) near_sad[6] = INT_MAX;
if (xd->mb_to_bottom_edge == 0) near_sad[7] = INT_MAX;
if (near_sad[4] != INT_MAX) {
near_sad[4] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, pre_y_buffer - pre_y_stride * 16,
pre_y_stride);
}
if (near_sad[5] != INT_MAX) {
near_sad[5] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, pre_y_buffer - 16, pre_y_stride);
}
near_sad[3] = cpi->fn_ptr[BLOCK_16X16].sdf(src_y_ptr, b->src_stride,
pre_y_buffer, pre_y_stride);
if (near_sad[6] != INT_MAX) {
near_sad[6] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, pre_y_buffer + 16, pre_y_stride);
}
if (near_sad[7] != INT_MAX) {
near_sad[7] = cpi->fn_ptr[BLOCK_16X16].sdf(
src_y_ptr, b->src_stride, pre_y_buffer + pre_y_stride * 16,
pre_y_stride);
}
}
if (cpi->common.last_frame_type != KEY_FRAME) {
insertsortsad(near_sad, near_sadidx, 8);
} else {
insertsortsad(near_sad, near_sadidx, 3);
}
}
static void rd_update_mvcount(MACROBLOCK *x, int_mv *best_ref_mv) {
if (x->e_mbd.mode_info_context->mbmi.mode == SPLITMV) {
int i;
for (i = 0; i < x->partition_info->count; ++i) {
if (x->partition_info->bmi[i].mode == NEW4X4) {
x->MVcount[0][mv_max + ((x->partition_info->bmi[i].mv.as_mv.row -
best_ref_mv->as_mv.row) >>
1)]++;
x->MVcount[1][mv_max + ((x->partition_info->bmi[i].mv.as_mv.col -
best_ref_mv->as_mv.col) >>
1)]++;
}
}
} else if (x->e_mbd.mode_info_context->mbmi.mode == NEWMV) {
x->MVcount[0][mv_max + ((x->e_mbd.mode_info_context->mbmi.mv.as_mv.row -
best_ref_mv->as_mv.row) >>
1)]++;
x->MVcount[1][mv_max + ((x->e_mbd.mode_info_context->mbmi.mv.as_mv.col -
best_ref_mv->as_mv.col) >>
1)]++;
}
}
static int evaluate_inter_mode_rd(int mdcounts[4], RATE_DISTORTION *rd,
int *disable_skip, VP8_COMP *cpi,
MACROBLOCK *x) {
MB_PREDICTION_MODE this_mode = x->e_mbd.mode_info_context->mbmi.mode;
BLOCK *b = &x->block[0];
MACROBLOCKD *xd = &x->e_mbd;
int distortion;
vp8_build_inter16x16_predictors_mby(&x->e_mbd, x->e_mbd.predictor, 16);
if (cpi->active_map_enabled && x->active_ptr[0] == 0) {
x->skip = 1;
} else if (x->encode_breakout) {
unsigned int sse;
unsigned int var;
unsigned int threshold =
(xd->block[0].dequant[1] * xd->block[0].dequant[1] >> 4);
if (threshold < x->encode_breakout) threshold = x->encode_breakout;
var = vpx_variance16x16(*(b->base_src), b->src_stride, x->e_mbd.predictor,
16, &sse);
if (sse < threshold) {
unsigned int q2dc = xd->block[24].dequant[0];
/* If theres is no codeable 2nd order dc
or a very small uniform pixel change change */
if ((sse - var<q2dc * q2dc>> 4) || (sse / 2 > var && sse - var < 64)) {
/* Check u and v to make sure skip is ok */
unsigned int sse2 = VP8_UVSSE(x);
if (sse2 * 2 < threshold) {
x->skip = 1;
rd->distortion2 = sse + sse2;
rd->rate2 = 500;
/* for best_yrd calculation */
rd->rate_uv = 0;
rd->distortion_uv = sse2;
*disable_skip = 1;
return RDCOST(x->rdmult, x->rddiv, rd->rate2, rd->distortion2);
}
}
}
}
/* Add in the Mv/mode cost */
rd->rate2 += vp8_cost_mv_ref(this_mode, mdcounts);
/* Y cost and distortion */
macro_block_yrd(x, &rd->rate_y, &distortion);
rd->rate2 += rd->rate_y;
rd->distortion2 += distortion;
/* UV cost and distortion */
rd_inter16x16_uv(cpi, x, &rd->rate_uv, &rd->distortion_uv,
cpi->common.full_pixel);
rd->rate2 += rd->rate_uv;
rd->distortion2 += rd->distortion_uv;
return INT_MAX;
}
static int calculate_final_rd_costs(int this_rd, RATE_DISTORTION *rd,
int *other_cost, int disable_skip,
int uv_intra_tteob, int intra_rd_penalty,
VP8_COMP *cpi, MACROBLOCK *x) {
MB_PREDICTION_MODE this_mode = x->e_mbd.mode_info_context->mbmi.mode;
/* Where skip is allowable add in the default per mb cost for the no
* skip case. where we then decide to skip we have to delete this and
* replace it with the cost of signalling a skip
*/
if (cpi->common.mb_no_coeff_skip) {
*other_cost += vp8_cost_bit(cpi->prob_skip_false, 0);
rd->rate2 += *other_cost;
}
/* Estimate the reference frame signaling cost and add it
* to the rolling cost variable.
*/
rd->rate2 += x->ref_frame_cost[x->e_mbd.mode_info_context->mbmi.ref_frame];
if (!disable_skip) {
/* Test for the condition where skip block will be activated
* because there are no non zero coefficients and make any
* necessary adjustment for rate
*/
if (cpi->common.mb_no_coeff_skip) {
int i;
int tteob;
int has_y2_block = (this_mode != SPLITMV && this_mode != B_PRED);
tteob = 0;
if (has_y2_block) tteob += x->e_mbd.eobs[24];
for (i = 0; i < 16; ++i) tteob += (x->e_mbd.eobs[i] > has_y2_block);
if (x->e_mbd.mode_info_context->mbmi.ref_frame) {
for (i = 16; i < 24; ++i) tteob += x->e_mbd.eobs[i];
} else {
tteob += uv_intra_tteob;
}
if (tteob == 0) {
rd->rate2 -= (rd->rate_y + rd->rate_uv);
/* for best_yrd calculation */
rd->rate_uv = 0;
/* Back out no skip flag costing and add in skip flag costing */
if (cpi->prob_skip_false) {
int prob_skip_cost;
prob_skip_cost = vp8_cost_bit(cpi->prob_skip_false, 1);
prob_skip_cost -= (int)vp8_cost_bit(cpi->prob_skip_false, 0);
rd->rate2 += prob_skip_cost;
*other_cost += prob_skip_cost;
}
}
}
/* Calculate the final RD estimate for this mode */
this_rd = RDCOST(x->rdmult, x->rddiv, rd->rate2, rd->distortion2);
if (this_rd < INT_MAX &&
x->e_mbd.mode_info_context->mbmi.ref_frame == INTRA_FRAME) {
this_rd += intra_rd_penalty;
}
}
return this_rd;
}
static void update_best_mode(BEST_MODE *best_mode, int this_rd,
RATE_DISTORTION *rd, int other_cost,
MACROBLOCK *x) {
MB_PREDICTION_MODE this_mode = x->e_mbd.mode_info_context->mbmi.mode;
other_cost += x->ref_frame_cost[x->e_mbd.mode_info_context->mbmi.ref_frame];
/* Calculate the final y RD estimate for this mode */
best_mode->yrd =
RDCOST(x->rdmult, x->rddiv, (rd->rate2 - rd->rate_uv - other_cost),
(rd->distortion2 - rd->distortion_uv));
best_mode->rd = this_rd;
memcpy(&best_mode->mbmode, &x->e_mbd.mode_info_context->mbmi,
sizeof(MB_MODE_INFO));
memcpy(&best_mode->partition, x->partition_info, sizeof(PARTITION_INFO));
if ((this_mode == B_PRED) || (this_mode == SPLITMV)) {
int i;
for (i = 0; i < 16; ++i) {
best_mode->bmodes[i] = x->e_mbd.block[i].bmi;
}
}
}
void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
int recon_uvoffset, int *returnrate,
int *returndistortion, int *returnintra, int mb_row,
int mb_col) {
BLOCK *b = &x->block[0];
BLOCKD *d = &x->e_mbd.block[0];
MACROBLOCKD *xd = &x->e_mbd;
int_mv best_ref_mv_sb[2];
int_mv mode_mv_sb[2][MB_MODE_COUNT];
int_mv best_ref_mv;
int_mv *mode_mv;
MB_PREDICTION_MODE this_mode;
int num00;
int best_mode_index = 0;
BEST_MODE best_mode;
int i;
int mode_index;
int mdcounts[4];
int rate;
RATE_DISTORTION rd;
int uv_intra_rate, uv_intra_distortion, uv_intra_rate_tokenonly;
int uv_intra_tteob = 0;
int uv_intra_done = 0;
MB_PREDICTION_MODE uv_intra_mode = 0;
int_mv mvp;
int near_sadidx[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };
int saddone = 0;
/* search range got from mv_pred(). It uses step_param levels. (0-7) */
int sr = 0;
unsigned char *plane[4][3];
int ref_frame_map[4];
int sign_bias = 0;
int intra_rd_penalty =
10 * vp8_dc_quant(cpi->common.base_qindex, cpi->common.y1dc_delta_q);
#if CONFIG_TEMPORAL_DENOISING
unsigned int zero_mv_sse = UINT_MAX, best_sse = UINT_MAX,
best_rd_sse = UINT_MAX;
#endif
// _uv variables are not set consistantly before calling update_best_mode.
rd.rate_uv = 0;
rd.distortion_uv = 0;
mode_mv = mode_mv_sb[sign_bias];
best_ref_mv.as_int = 0;
best_mode.rd = INT_MAX;
best_mode.yrd = INT_MAX;
best_mode.intra_rd = INT_MAX;
memset(mode_mv_sb, 0, sizeof(mode_mv_sb));
memset(&best_mode.mbmode, 0, sizeof(best_mode.mbmode));
memset(&best_mode.bmodes, 0, sizeof(best_mode.bmodes));
/* Setup search priorities */
get_reference_search_order(cpi, ref_frame_map);
/* Check to see if there is at least 1 valid reference frame that we need
* to calculate near_mvs.
*/
if (ref_frame_map[1] > 0) {
sign_bias = vp8_find_near_mvs_bias(
&x->e_mbd, x->e_mbd.mode_info_context, mode_mv_sb, best_ref_mv_sb,
mdcounts, ref_frame_map[1], cpi->common.ref_frame_sign_bias);
mode_mv = mode_mv_sb[sign_bias];
best_ref_mv.as_int = best_ref_mv_sb[sign_bias].as_int;
}
get_predictor_pointers(cpi, plane, recon_yoffset, recon_uvoffset);
*returnintra = INT_MAX;
/* Count of the number of MBs tested so far this frame */
x->mbs_tested_so_far++;
x->skip = 0;
for (mode_index = 0; mode_index < MAX_MODES; ++mode_index) {
int this_rd = INT_MAX;
int disable_skip = 0;
int other_cost = 0;
int this_ref_frame = ref_frame_map[vp8_ref_frame_order[mode_index]];
/* Test best rd so far against threshold for trying this mode. */
if (best_mode.rd <= x->rd_threshes[mode_index]) continue;
if (this_ref_frame < 0) continue;
/* These variables hold are rolling total cost and distortion for
* this mode
*/
rd.rate2 = 0;
rd.distortion2 = 0;
this_mode = vp8_mode_order[mode_index];
x->e_mbd.mode_info_context->mbmi.mode = this_mode;
x->e_mbd.mode_info_context->mbmi.ref_frame = this_ref_frame;
/* Only consider ZEROMV/ALTREF_FRAME for alt ref frame,
* unless ARNR filtering is enabled in which case we want
* an unfiltered alternative
*/
if (cpi->is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0)) {
if (this_mode != ZEROMV ||
x->e_mbd.mode_info_context->mbmi.ref_frame != ALTREF_FRAME) {
continue;
}
}
/* everything but intra */
if (x->e_mbd.mode_info_context->mbmi.ref_frame) {
x->e_mbd.pre.y_buffer = plane[this_ref_frame][0];
x->e_mbd.pre.u_buffer = plane[this_ref_frame][1];
x->e_mbd.pre.v_buffer = plane[this_ref_frame][2];
if (sign_bias != cpi->common.ref_frame_sign_bias[this_ref_frame]) {
sign_bias = cpi->common.ref_frame_sign_bias[this_ref_frame];
mode_mv = mode_mv_sb[sign_bias];
best_ref_mv.as_int = best_ref_mv_sb[sign_bias].as_int;
}
}
/* Check to see if the testing frequency for this mode is at its
* max If so then prevent it from being tested and increase the
* threshold for its testing
*/
if (x->mode_test_hit_counts[mode_index] &&
(cpi->mode_check_freq[mode_index] > 1)) {
if (x->mbs_tested_so_far <= cpi->mode_check_freq[mode_index] *
x->mode_test_hit_counts[mode_index]) {
/* Increase the threshold for coding this mode to make it
* less likely to be chosen
*/
x->rd_thresh_mult[mode_index] += 4;
if (x->rd_thresh_mult[mode_index] > MAX_THRESHMULT) {
x->rd_thresh_mult[mode_index] = MAX_THRESHMULT;
}
x->rd_threshes[mode_index] =
(cpi->rd_baseline_thresh[mode_index] >> 7) *
x->rd_thresh_mult[mode_index];
continue;
}
}
/* We have now reached the point where we are going to test the
* current mode so increment the counter for the number of times
* it has been tested
*/
x->mode_test_hit_counts[mode_index]++;
/* Experimental code. Special case for gf and arf zeromv modes.
* Increase zbin size to supress noise
*/
if (x->zbin_mode_boost_enabled) {
if (this_ref_frame == INTRA_FRAME) {
x->zbin_mode_boost = 0;
} else {
if (vp8_mode_order[mode_index] == ZEROMV) {
if (this_ref_frame != LAST_FRAME) {
x->zbin_mode_boost = GF_ZEROMV_ZBIN_BOOST;
} else {
x->zbin_mode_boost = LF_ZEROMV_ZBIN_BOOST;
}
} else if (vp8_mode_order[mode_index] == SPLITMV) {
x->zbin_mode_boost = 0;
} else {
x->zbin_mode_boost = MV_ZBIN_BOOST;
}
}
vp8_update_zbin_extra(cpi, x);
}
if (!uv_intra_done && this_ref_frame == INTRA_FRAME) {
rd_pick_intra_mbuv_mode(x, &uv_intra_rate, &uv_intra_rate_tokenonly,
&uv_intra_distortion);
uv_intra_mode = x->e_mbd.mode_info_context->mbmi.uv_mode;
/*
* Total of the eobs is used later to further adjust rate2. Since uv
* block's intra eobs will be overwritten when we check inter modes,
* we need to save uv_intra_tteob here.
*/
for (i = 16; i < 24; ++i) uv_intra_tteob += x->e_mbd.eobs[i];
uv_intra_done = 1;
}
switch (this_mode) {
case B_PRED: {
int tmp_rd;
/* Note the rate value returned here includes the cost of
* coding the BPRED mode: x->mbmode_cost[x->e_mbd.frame_type][BPRED]
*/
int distortion;
tmp_rd = rd_pick_intra4x4mby_modes(x, &rate, &rd.rate_y, &distortion,
best_mode.yrd);
rd.rate2 += rate;
rd.distortion2 += distortion;
if (tmp_rd < best_mode.yrd) {
rd.rate2 += uv_intra_rate;
rd.rate_uv = uv_intra_rate_tokenonly;
rd.distortion2 += uv_intra_distortion;
rd.distortion_uv = uv_intra_distortion;
} else {
this_rd = INT_MAX;
disable_skip = 1;
}
break;
}
case SPLITMV: {
int tmp_rd;
int this_rd_thresh;
int distortion;
this_rd_thresh = (vp8_ref_frame_order[mode_index] == 1)
? x->rd_threshes[THR_NEW1]
: x->rd_threshes[THR_NEW3];
this_rd_thresh = (vp8_ref_frame_order[mode_index] == 2)
? x->rd_threshes[THR_NEW2]
: this_rd_thresh;
tmp_rd = vp8_rd_pick_best_mbsegmentation(
cpi, x, &best_ref_mv, best_mode.yrd, mdcounts, &rate, &rd.rate_y,
&distortion, this_rd_thresh);
rd.rate2 += rate;
rd.distortion2 += distortion;
/* If even the 'Y' rd value of split is higher than best so far
* then dont bother looking at UV
*/
if (tmp_rd < best_mode.yrd) {
/* Now work out UV cost and add it in */
rd_inter4x4_uv(cpi, x, &rd.rate_uv, &rd.distortion_uv,
cpi->common.full_pixel);
rd.rate2 += rd.rate_uv;
rd.distortion2 += rd.distortion_uv;
} else {
this_rd = INT_MAX;
disable_skip = 1;
}
break;
}
case DC_PRED:
case V_PRED:
case H_PRED:
case TM_PRED: {
int distortion;
x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
vp8_build_intra_predictors_mby_s(
xd, xd->dst.y_buffer - xd->dst.y_stride, xd->dst.y_buffer - 1,
xd->dst.y_stride, xd->predictor, 16);
macro_block_yrd(x, &rd.rate_y, &distortion);
rd.rate2 += rd.rate_y;
rd.distortion2 += distortion;
rd.rate2 += x->mbmode_cost[x->e_mbd.frame_type]
[x->e_mbd.mode_info_context->mbmi.mode];
rd.rate2 += uv_intra_rate;
rd.rate_uv = uv_intra_rate_tokenonly;
rd.distortion2 += uv_intra_distortion;
rd.distortion_uv = uv_intra_distortion;
break;
}
case NEWMV: {
int thissme;
int bestsme = INT_MAX;
int step_param = cpi->sf.first_step;
int further_steps;
int n;
/* If last step (1-away) of n-step search doesn't pick the center point
as the best match, we will do a final 1-away diamond refining search
*/
int do_refine = 1;
int sadpb = x->sadperbit16;
int_mv mvp_full;
int col_min = ((best_ref_mv.as_mv.col + 7) >> 3) - MAX_FULL_PEL_VAL;
int row_min = ((best_ref_mv.as_mv.row + 7) >> 3) - MAX_FULL_PEL_VAL;
int col_max = (best_ref_mv.as_mv.col >> 3) + MAX_FULL_PEL_VAL;
int row_max = (best_ref_mv.as_mv.row >> 3) + MAX_FULL_PEL_VAL;
int tmp_col_min = x->mv_col_min;
int tmp_col_max = x->mv_col_max;
int tmp_row_min = x->mv_row_min;
int tmp_row_max = x->mv_row_max;
if (!saddone) {
vp8_cal_sad(cpi, xd, x, recon_yoffset, &near_sadidx[0]);
saddone = 1;
}
vp8_mv_pred(cpi, &x->e_mbd, x->e_mbd.mode_info_context, &mvp,
x->e_mbd.mode_info_context->mbmi.ref_frame,
cpi->common.ref_frame_sign_bias, &sr, &near_sadidx[0]);
mvp_full.as_mv.col = mvp.as_mv.col >> 3;
mvp_full.as_mv.row = mvp.as_mv.row >> 3;
/* Get intersection of UMV window and valid MV window to
* reduce # of checks in diamond search.
*/
if (x->mv_col_min < col_min) x->mv_col_min = col_min;
if (x->mv_col_max > col_max) x->mv_col_max = col_max;
if (x->mv_row_min < row_min) x->mv_row_min = row_min;
if (x->mv_row_max > row_max) x->mv_row_max = row_max;
/* adjust search range according to sr from mv prediction */
if (sr > step_param) step_param = sr;
/* Initial step/diamond search */
{
bestsme = cpi->diamond_search_sad(
x, b, d, &mvp_full, &d->bmi.mv, step_param, sadpb, &num00,
&cpi->fn_ptr[BLOCK_16X16], x->mvcost, &best_ref_mv);
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
/* Further step/diamond searches as necessary */
further_steps = (cpi->sf.max_step_search_steps - 1) - step_param;
n = num00;
num00 = 0;
/* If there won't be more n-step search, check to see if refining
* search is needed. */
if (n > further_steps) do_refine = 0;
while (n < further_steps) {
n++;
if (num00) {
num00--;
} else {
thissme = cpi->diamond_search_sad(
x, b, d, &mvp_full, &d->bmi.mv, step_param + n, sadpb, &num00,
&cpi->fn_ptr[BLOCK_16X16], x->mvcost, &best_ref_mv);
/* check to see if refining search is needed. */
if (num00 > (further_steps - n)) do_refine = 0;
if (thissme < bestsme) {
bestsme = thissme;
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
} else {
d->bmi.mv.as_int = mode_mv[NEWMV].as_int;
}
}
}
}
/* final 1-away diamond refining search */
if (do_refine == 1) {
int search_range;
search_range = 8;
thissme = cpi->refining_search_sad(
x, b, d, &d->bmi.mv, sadpb, search_range,
&cpi->fn_ptr[BLOCK_16X16], x->mvcost, &best_ref_mv);
if (thissme < bestsme) {
bestsme = thissme;
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
} else {
d->bmi.mv.as_int = mode_mv[NEWMV].as_int;
}
}
x->mv_col_min = tmp_col_min;
x->mv_col_max = tmp_col_max;
x->mv_row_min = tmp_row_min;
x->mv_row_max = tmp_row_max;
if (bestsme < INT_MAX) {
int dis; /* TODO: use dis in distortion calculation later. */
unsigned int sse;
cpi->find_fractional_mv_step(
x, b, d, &d->bmi.mv, &best_ref_mv, x->errorperbit,
&cpi->fn_ptr[BLOCK_16X16], x->mvcost, &dis, &sse);
}
mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
/* Add the new motion vector cost to our rolling cost variable */
rd.rate2 +=
vp8_mv_bit_cost(&mode_mv[NEWMV], &best_ref_mv, x->mvcost, 96);
}
// fall through
case NEARESTMV:
case NEARMV:
/* Clip "next_nearest" so that it does not extend to far out
* of image
*/
vp8_clamp_mv2(&mode_mv[this_mode], xd);
/* Do not bother proceeding if the vector (from newmv, nearest
* or near) is 0,0 as this should then be coded using the zeromv
* mode.
*/
if (((this_mode == NEARMV) || (this_mode == NEARESTMV)) &&
(mode_mv[this_mode].as_int == 0)) {
continue;
}
// fall through
case ZEROMV:
/* Trap vectors that reach beyond the UMV borders
* Note that ALL New MV, Nearest MV Near MV and Zero MV code
* drops through to this point because of the lack of break
* statements in the previous two cases.
*/
if (((mode_mv[this_mode].as_mv.row >> 3) < x->mv_row_min) ||
((mode_mv[this_mode].as_mv.row >> 3) > x->mv_row_max) ||
((mode_mv[this_mode].as_mv.col >> 3) < x->mv_col_min) ||
((mode_mv[this_mode].as_mv.col >> 3) > x->mv_col_max)) {
continue;
}
vp8_set_mbmode_and_mvs(x, this_mode, &mode_mv[this_mode]);
this_rd = evaluate_inter_mode_rd(mdcounts, &rd, &disable_skip, cpi, x);
break;
default: break;
}
this_rd =
calculate_final_rd_costs(this_rd, &rd, &other_cost, disable_skip,
uv_intra_tteob, intra_rd_penalty, cpi, x);
/* Keep record of best intra distortion */
if ((x->e_mbd.mode_info_context->mbmi.ref_frame == INTRA_FRAME) &&
(this_rd < best_mode.intra_rd)) {
best_mode.intra_rd = this_rd;
*returnintra = rd.distortion2;
}
#if CONFIG_TEMPORAL_DENOISING
if (cpi->oxcf.noise_sensitivity) {
unsigned int sse;
vp8_get_inter_mbpred_error(x, &cpi->fn_ptr[BLOCK_16X16], &sse,
mode_mv[this_mode]);
if (sse < best_rd_sse) best_rd_sse = sse;
/* Store for later use by denoiser. */
if (this_mode == ZEROMV && sse < zero_mv_sse) {
zero_mv_sse = sse;
x->best_zeromv_reference_frame =
x->e_mbd.mode_info_context->mbmi.ref_frame;
}
/* Store the best NEWMV in x for later use in the denoiser. */
if (x->e_mbd.mode_info_context->mbmi.mode == NEWMV && sse < best_sse) {
best_sse = sse;
vp8_get_inter_mbpred_error(x, &cpi->fn_ptr[BLOCK_16X16], &best_sse,
mode_mv[this_mode]);
x->best_sse_inter_mode = NEWMV;
x->best_sse_mv = x->e_mbd.mode_info_context->mbmi.mv;
x->need_to_clamp_best_mvs =
x->e_mbd.mode_info_context->mbmi.need_to_clamp_mvs;
x->best_reference_frame = x->e_mbd.mode_info_context->mbmi.ref_frame;
}
}
#endif
/* Did this mode help.. i.i is it the new best mode */
if (this_rd < best_mode.rd || x->skip) {
/* Note index of best mode so far */
best_mode_index = mode_index;
*returnrate = rd.rate2;
*returndistortion = rd.distortion2;
if (this_mode <= B_PRED) {
x->e_mbd.mode_info_context->mbmi.uv_mode = uv_intra_mode;
/* required for left and above block mv */
x->e_mbd.mode_info_context->mbmi.mv.as_int = 0;
}
update_best_mode(&best_mode, this_rd, &rd, other_cost, x);
/* Testing this mode gave rise to an improvement in best error
* score. Lower threshold a bit for next time
*/
x->rd_thresh_mult[mode_index] =
(x->rd_thresh_mult[mode_index] >= (MIN_THRESHMULT + 2))
? x->rd_thresh_mult[mode_index] - 2
: MIN_THRESHMULT;
}
/* If the mode did not help improve the best error case then raise
* the threshold for testing that mode next time around.
*/
else {
x->rd_thresh_mult[mode_index] += 4;
if (x->rd_thresh_mult[mode_index] > MAX_THRESHMULT) {
x->rd_thresh_mult[mode_index] = MAX_THRESHMULT;
}
}
x->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) *
x->rd_thresh_mult[mode_index];
if (x->skip) break;
}
/* Reduce the activation RD thresholds for the best choice mode */
if ((cpi->rd_baseline_thresh[best_mode_index] > 0) &&
(cpi->rd_baseline_thresh[best_mode_index] < (INT_MAX >> 2))) {
int best_adjustment = (x->rd_thresh_mult[best_mode_index] >> 2);
x->rd_thresh_mult[best_mode_index] =
(x->rd_thresh_mult[best_mode_index] >=
(MIN_THRESHMULT + best_adjustment))
? x->rd_thresh_mult[best_mode_index] - best_adjustment
: MIN_THRESHMULT;
x->rd_threshes[best_mode_index] =
(cpi->rd_baseline_thresh[best_mode_index] >> 7) *
x->rd_thresh_mult[best_mode_index];
}
#if CONFIG_TEMPORAL_DENOISING
if (cpi->oxcf.noise_sensitivity) {
int block_index = mb_row * cpi->common.mb_cols + mb_col;
if (x->best_sse_inter_mode == DC_PRED) {
/* No best MV found. */
x->best_sse_inter_mode = best_mode.mbmode.mode;
x->best_sse_mv = best_mode.mbmode.mv;
x->need_to_clamp_best_mvs = best_mode.mbmode.need_to_clamp_mvs;
x->best_reference_frame = best_mode.mbmode.ref_frame;
best_sse = best_rd_sse;
}
vp8_denoiser_denoise_mb(&cpi->denoiser, x, best_sse, zero_mv_sse,
recon_yoffset, recon_uvoffset, &cpi->common.lf_info,
mb_row, mb_col, block_index, 0);
/* Reevaluate ZEROMV after denoising. */
if (best_mode.mbmode.ref_frame == INTRA_FRAME &&
x->best_zeromv_reference_frame != INTRA_FRAME) {
int this_rd = INT_MAX;
int disable_skip = 0;
int other_cost = 0;
int this_ref_frame = x->best_zeromv_reference_frame;
rd.rate2 =
x->ref_frame_cost[this_ref_frame] + vp8_cost_mv_ref(ZEROMV, mdcounts);
rd.distortion2 = 0;
/* set up the proper prediction buffers for the frame */
x->e_mbd.mode_info_context->mbmi.ref_frame = this_ref_frame;
x->e_mbd.pre.y_buffer = plane[this_ref_frame][0];
x->e_mbd.pre.u_buffer = plane[this_ref_frame][1];
x->e_mbd.pre.v_buffer = plane[this_ref_frame][2];
x->e_mbd.mode_info_context->mbmi.mode = ZEROMV;
x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
x->e_mbd.mode_info_context->mbmi.mv.as_int = 0;
this_rd = evaluate_inter_mode_rd(mdcounts, &rd, &disable_skip, cpi, x);
this_rd =
calculate_final_rd_costs(this_rd, &rd, &other_cost, disable_skip,
uv_intra_tteob, intra_rd_penalty, cpi, x);
if (this_rd < best_mode.rd || x->skip) {
*returnrate = rd.rate2;
*returndistortion = rd.distortion2;
update_best_mode(&best_mode, this_rd, &rd, other_cost, x);
}
}
}
#endif
if (cpi->is_src_frame_alt_ref &&
(best_mode.mbmode.mode != ZEROMV ||
best_mode.mbmode.ref_frame != ALTREF_FRAME)) {
x->e_mbd.mode_info_context->mbmi.mode = ZEROMV;
x->e_mbd.mode_info_context->mbmi.ref_frame = ALTREF_FRAME;
x->e_mbd.mode_info_context->mbmi.mv.as_int = 0;
x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
x->e_mbd.mode_info_context->mbmi.mb_skip_coeff =
(cpi->common.mb_no_coeff_skip);
x->e_mbd.mode_info_context->mbmi.partitioning = 0;
return;
}
/* macroblock modes */
memcpy(&x->e_mbd.mode_info_context->mbmi, &best_mode.mbmode,
sizeof(MB_MODE_INFO));
if (best_mode.mbmode.mode == B_PRED) {
for (i = 0; i < 16; ++i) {
xd->mode_info_context->bmi[i].as_mode = best_mode.bmodes[i].as_mode;
}
}
if (best_mode.mbmode.mode == SPLITMV) {
for (i = 0; i < 16; ++i) {
xd->mode_info_context->bmi[i].mv.as_int = best_mode.bmodes[i].mv.as_int;
}
memcpy(x->partition_info, &best_mode.partition, sizeof(PARTITION_INFO));
x->e_mbd.mode_info_context->mbmi.mv.as_int =
x->partition_info->bmi[15].mv.as_int;
}
if (sign_bias !=
cpi->common.ref_frame_sign_bias[xd->mode_info_context->mbmi.ref_frame]) {
best_ref_mv.as_int = best_ref_mv_sb[!sign_bias].as_int;
}
rd_update_mvcount(x, &best_ref_mv);
}
void vp8_rd_pick_intra_mode(MACROBLOCK *x, int *rate_) {
int error4x4, error16x16;
int rate4x4, rate16x16 = 0, rateuv;
int dist4x4, dist16x16, distuv;
int rate;
int rate4x4_tokenonly = 0;
int rate16x16_tokenonly = 0;
int rateuv_tokenonly = 0;
x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
rd_pick_intra_mbuv_mode(x, &rateuv, &rateuv_tokenonly, &distuv);
rate = rateuv;
error16x16 = rd_pick_intra16x16mby_mode(x, &rate16x16, &rate16x16_tokenonly,
&dist16x16);
error4x4 = rd_pick_intra4x4mby_modes(x, &rate4x4, &rate4x4_tokenonly,
&dist4x4, error16x16);
if (error4x4 < error16x16) {
x->e_mbd.mode_info_context->mbmi.mode = B_PRED;
rate += rate4x4;
} else {
rate += rate16x16;
}
*rate_ = rate;
}