/* * 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 #include #include #include #include "vpx_config.h" #include "vp8_rtcd.h" #include "./vpx_dsp_rtcd.h" #include "tokenize.h" #include "treewriter.h" #include "onyx_int.h" #include "modecosts.h" #include "encodeintra.h" #include "pickinter.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 "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; vp8_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 UNINITIALIZED_IS_SAFE(best_mode); int UNINITIALIZED_IS_SAFE(r), UNINITIALIZED_IS_SAFE(ry), UNINITIALIZED_IS_SAFE(d); 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; 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 UNINITIALIZED_IS_SAFE(mode_selected); 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; } } 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 UNINITIALIZED_IS_SAFE(mode_selected); int best_rd = INT_MAX; int UNINITIALIZED_IS_SAFE(d), UNINITIALIZED_IS_SAFE(r); 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; 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 *ta; ENTROPY_CONTEXT *tl; ENTROPY_CONTEXT_PLANES t_above_b, t_left_b; ENTROPY_CONTEXT *ta_b; ENTROPY_CONTEXT *tl_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)); ta = (ENTROPY_CONTEXT *)&t_above; tl = (ENTROPY_CONTEXT *)&t_left; ta_b = (ENTROPY_CONTEXT *)&t_above_b; tl_b = (ENTROPY_CONTEXT *)&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(ta_b, ta_s, sizeof(ENTROPY_CONTEXT_PLANES)); memcpy(tl_b, tl_s, sizeof(ENTROPY_CONTEXT_PLANES)); } } /*for each 4x4 mode*/ memcpy(ta, ta_b, sizeof(ENTROPY_CONTEXT_PLANES)); memcpy(tl, tl_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; ias_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 -= 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 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; int do_refine=1; /* 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 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); } 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; 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; }