| /* |
| * 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 <limits.h> |
| #include "vpx_ports/config.h" |
| #include "onyx_int.h" |
| #include "modecosts.h" |
| #include "encodeintra.h" |
| #include "entropymode.h" |
| #include "pickinter.h" |
| #include "findnearmv.h" |
| #include "encodemb.h" |
| #include "reconinter.h" |
| #include "reconintra.h" |
| #include "reconintra4x4.h" |
| #include "g_common.h" |
| #include "variance.h" |
| #include "mcomp.h" |
| |
| #include "vpx_mem/vpx_mem.h" |
| |
| #if CONFIG_RUNTIME_CPU_DETECT |
| #define IF_RTCD(x) (x) |
| #else |
| #define IF_RTCD(x) NULL |
| #endif |
| |
| extern int VP8_UVSSE(MACROBLOCK *x, const vp8_variance_rtcd_vtable_t *rtcd); |
| |
| #ifdef SPEEDSTATS |
| extern unsigned int cnt_pm; |
| #endif |
| |
| extern const MV_REFERENCE_FRAME vp8_ref_frame_order[MAX_MODES]; |
| extern const MB_PREDICTION_MODE vp8_mode_order[MAX_MODES]; |
| |
| |
| extern unsigned int (*vp8_get16x16pred_error)(unsigned char *src_ptr, int src_stride, unsigned char *ref_ptr, int ref_stride); |
| extern unsigned int (*vp8_get4x4sse_cs)(unsigned char *src_ptr, int source_stride, unsigned char *ref_ptr, int recon_stride); |
| extern int vp8_rd_pick_best_mbsegmentation(VP8_COMP *cpi, MACROBLOCK *x, MV *best_ref_mv, int best_rd, int *, int *, int *, int, int *mvcost[2], int, int fullpixel); |
| extern int vp8_cost_mv_ref(MB_PREDICTION_MODE m, const int near_mv_ref_ct[4]); |
| extern void vp8_set_mbmode_and_mvs(MACROBLOCK *x, MB_PREDICTION_MODE mb, MV *mv); |
| |
| |
| int vp8_skip_fractional_mv_step(MACROBLOCK *mb, BLOCK *b, BLOCKD *d, MV *bestmv, MV *ref_mv, int error_per_bit, vp8_subpixvariance_fn_t svf, vp8_variance_fn_t vf, int *mvcost[2]) |
| { |
| (void) b; |
| (void) d; |
| (void) ref_mv; |
| (void) error_per_bit; |
| (void) svf; |
| (void) vf; |
| (void) mvcost; |
| bestmv->row <<= 3; |
| bestmv->col <<= 3; |
| return 0; |
| } |
| |
| |
| static int get_inter_mbpred_error(MACROBLOCK *mb, vp8_subpixvariance_fn_t svf, vp8_variance_fn_t vf, unsigned int *sse) |
| { |
| |
| BLOCK *b = &mb->block[0]; |
| BLOCKD *d = &mb->e_mbd.block[0]; |
| unsigned char *what = (*(b->base_src) + b->src); |
| int what_stride = b->src_stride; |
| unsigned char *in_what = *(d->base_pre) + d->pre ; |
| int in_what_stride = d->pre_stride; |
| int xoffset = d->bmi.mv.as_mv.col & 7; |
| int yoffset = d->bmi.mv.as_mv.row & 7; |
| |
| in_what += (d->bmi.mv.as_mv.row >> 3) * d->pre_stride + (d->bmi.mv.as_mv.col >> 3); |
| |
| if (xoffset | yoffset) |
| { |
| return svf(in_what, in_what_stride, xoffset, yoffset, what, what_stride, sse); |
| } |
| else |
| { |
| return vf(what, what_stride, in_what, in_what_stride, sse); |
| } |
| |
| } |
| |
| unsigned int vp8_get16x16pred_error_c |
| ( |
| unsigned char *src_ptr, |
| int src_stride, |
| unsigned char *ref_ptr, |
| int ref_stride, |
| int max_sad |
| ) |
| { |
| unsigned pred_error = 0; |
| int i, j; |
| int sum = 0; |
| |
| for (i = 0; i < 16; i++) |
| { |
| int diff; |
| |
| for (j = 0; j < 16; j++) |
| { |
| diff = src_ptr[j] - ref_ptr[j]; |
| sum += diff; |
| pred_error += diff * diff; |
| } |
| |
| src_ptr += src_stride; |
| ref_ptr += ref_stride; |
| } |
| |
| pred_error -= sum * sum / 256; |
| return pred_error; |
| } |
| |
| |
| unsigned int vp8_get4x4sse_cs_c |
| ( |
| unsigned char *src_ptr, |
| int source_stride, |
| unsigned char *ref_ptr, |
| int recon_stride, |
| int max_sad |
| ) |
| { |
| int distortion = 0; |
| int r, c; |
| |
| for (r = 0; r < 4; r++) |
| { |
| for (c = 0; c < 4; c++) |
| { |
| int diff = src_ptr[c] - ref_ptr[c]; |
| distortion += diff * diff; |
| } |
| |
| src_ptr += source_stride; |
| ref_ptr += recon_stride; |
| } |
| |
| return distortion; |
| } |
| |
| static int get_prediction_error(BLOCK *be, BLOCKD *b, const vp8_variance_rtcd_vtable_t *rtcd) |
| { |
| unsigned char *sptr; |
| unsigned char *dptr; |
| sptr = (*(be->base_src) + be->src); |
| dptr = b->predictor; |
| |
| return VARIANCE_INVOKE(rtcd, get4x4sse_cs)(sptr, be->src_stride, dptr, 16, 0x7fffffff); |
| |
| } |
| |
| static int pick_intra4x4block( |
| const VP8_ENCODER_RTCD *rtcd, |
| MACROBLOCK *x, |
| BLOCK *be, |
| BLOCKD *b, |
| B_PREDICTION_MODE *best_mode, |
| B_PREDICTION_MODE above, |
| B_PREDICTION_MODE left, |
| ENTROPY_CONTEXT *a, |
| ENTROPY_CONTEXT *l, |
| |
| int *bestrate, |
| int *bestdistortion) |
| { |
| B_PREDICTION_MODE mode; |
| int best_rd = INT_MAX; // 1<<30 |
| int rate; |
| int distortion; |
| unsigned int *mode_costs; |
| (void) l; |
| (void) a; |
| |
| if (x->e_mbd.frame_type == KEY_FRAME) |
| { |
| mode_costs = x->bmode_costs[above][left]; |
| } |
| else |
| { |
| mode_costs = x->inter_bmode_costs; |
| } |
| |
| for (mode = B_DC_PRED; mode <= B_HE_PRED /*B_HU_PRED*/; mode++) |
| { |
| int this_rd; |
| |
| rate = mode_costs[mode]; |
| vp8_predict_intra4x4(b, mode, b->predictor); |
| distortion = get_prediction_error(be, b, &rtcd->variance); |
| this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate, distortion); |
| |
| if (this_rd < best_rd) |
| { |
| *bestrate = rate; |
| *bestdistortion = distortion; |
| best_rd = this_rd; |
| *best_mode = mode; |
| } |
| } |
| |
| b->bmi.mode = (B_PREDICTION_MODE)(*best_mode); |
| vp8_encode_intra4x4block(rtcd, x, be, b, b->bmi.mode); |
| return best_rd; |
| } |
| |
| |
| int vp8_pick_intra4x4mby_modes(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb, int *Rate, int *best_dist) |
| { |
| MACROBLOCKD *const xd = &mb->e_mbd; |
| int i; |
| int cost = mb->mbmode_cost [xd->frame_type] [B_PRED]; |
| int error = RD_ESTIMATE(mb->rdmult, mb->rddiv, cost, 0); // Rd estimate for the cost of the block prediction mode |
| int distortion = 0; |
| ENTROPY_CONTEXT_PLANES t_above, t_left; |
| ENTROPY_CONTEXT *ta; |
| ENTROPY_CONTEXT *tl; |
| |
| vpx_memcpy(&t_above, mb->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES)); |
| vpx_memcpy(&t_left, mb->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES)); |
| |
| ta = (ENTROPY_CONTEXT *)&t_above; |
| tl = (ENTROPY_CONTEXT *)&t_left; |
| |
| vp8_intra_prediction_down_copy(xd); |
| |
| for (i = 0; i < 16; i++) |
| { |
| MODE_INFO *const mic = xd->mode_info_context; |
| const int mis = xd->mode_info_stride; |
| const B_PREDICTION_MODE A = vp8_above_bmi(mic, i, mis)->mode; |
| const B_PREDICTION_MODE L = vp8_left_bmi(mic, i)->mode; |
| B_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_mode); |
| int UNINITIALIZED_IS_SAFE(r), UNINITIALIZED_IS_SAFE(d); |
| |
| error += pick_intra4x4block(rtcd, |
| mb, mb->block + i, xd->block + i, &best_mode, A, L, |
| ta + vp8_block2above[i], |
| tl + vp8_block2left[i], &r, &d); |
| |
| cost += r; |
| distortion += d; |
| |
| mic->bmi[i].mode = xd->block[i].bmi.mode = best_mode; |
| |
| // Break out case where we have already exceeded best so far value that was bassed in |
| if (distortion > *best_dist) |
| break; |
| } |
| |
| for (i = 0; i < 16; i++) |
| xd->block[i].bmi.mv.as_int = 0; |
| |
| *Rate = cost; |
| |
| if (i == 16) |
| *best_dist = distortion; |
| else |
| *best_dist = INT_MAX; |
| |
| |
| return error; |
| } |
| |
| int vp8_pick_intra_mbuv_mode(MACROBLOCK *mb) |
| { |
| |
| MACROBLOCKD *x = &mb->e_mbd; |
| unsigned char *uabove_row = x->dst.u_buffer - x->dst.uv_stride; |
| unsigned char *vabove_row = x->dst.v_buffer - x->dst.uv_stride; |
| unsigned char *usrc_ptr = (mb->block[16].src + *mb->block[16].base_src); |
| unsigned char *vsrc_ptr = (mb->block[20].src + *mb->block[20].base_src); |
| int uvsrc_stride = mb->block[16].src_stride; |
| unsigned char uleft_col[8]; |
| unsigned char vleft_col[8]; |
| unsigned char utop_left = uabove_row[-1]; |
| unsigned char vtop_left = vabove_row[-1]; |
| int i, j; |
| int expected_udc; |
| int expected_vdc; |
| int shift; |
| int Uaverage = 0; |
| int Vaverage = 0; |
| int diff; |
| int pred_error[4] = {0, 0, 0, 0}, best_error = INT_MAX; |
| MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_mode); |
| |
| |
| for (i = 0; i < 8; i++) |
| { |
| uleft_col[i] = x->dst.u_buffer [i* x->dst.uv_stride -1]; |
| vleft_col[i] = x->dst.v_buffer [i* x->dst.uv_stride -1]; |
| } |
| |
| if (!x->up_available && !x->left_available) |
| { |
| expected_udc = 128; |
| expected_vdc = 128; |
| } |
| else |
| { |
| shift = 2; |
| |
| if (x->up_available) |
| { |
| |
| for (i = 0; i < 8; i++) |
| { |
| Uaverage += uabove_row[i]; |
| Vaverage += vabove_row[i]; |
| } |
| |
| shift ++; |
| |
| } |
| |
| if (x->left_available) |
| { |
| for (i = 0; i < 8; i++) |
| { |
| Uaverage += uleft_col[i]; |
| Vaverage += vleft_col[i]; |
| } |
| |
| shift ++; |
| |
| } |
| |
| expected_udc = (Uaverage + (1 << (shift - 1))) >> shift; |
| expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift; |
| } |
| |
| |
| for (i = 0; i < 8; i++) |
| { |
| for (j = 0; j < 8; j++) |
| { |
| |
| int predu = uleft_col[i] + uabove_row[j] - utop_left; |
| int predv = vleft_col[i] + vabove_row[j] - vtop_left; |
| int u_p, v_p; |
| |
| u_p = usrc_ptr[j]; |
| v_p = vsrc_ptr[j]; |
| |
| if (predu < 0) |
| predu = 0; |
| |
| if (predu > 255) |
| predu = 255; |
| |
| if (predv < 0) |
| predv = 0; |
| |
| if (predv > 255) |
| predv = 255; |
| |
| |
| diff = u_p - expected_udc; |
| pred_error[DC_PRED] += diff * diff; |
| diff = v_p - expected_vdc; |
| pred_error[DC_PRED] += diff * diff; |
| |
| |
| diff = u_p - uabove_row[j]; |
| pred_error[V_PRED] += diff * diff; |
| diff = v_p - vabove_row[j]; |
| pred_error[V_PRED] += diff * diff; |
| |
| |
| diff = u_p - uleft_col[i]; |
| pred_error[H_PRED] += diff * diff; |
| diff = v_p - vleft_col[i]; |
| pred_error[H_PRED] += diff * diff; |
| |
| |
| diff = u_p - predu; |
| pred_error[TM_PRED] += diff * diff; |
| diff = v_p - predv; |
| pred_error[TM_PRED] += diff * diff; |
| |
| |
| } |
| |
| usrc_ptr += uvsrc_stride; |
| vsrc_ptr += uvsrc_stride; |
| |
| if (i == 3) |
| { |
| usrc_ptr = (mb->block[18].src + *mb->block[18].base_src); |
| vsrc_ptr = (mb->block[22].src + *mb->block[22].base_src); |
| } |
| |
| |
| |
| } |
| |
| |
| for (i = DC_PRED; i <= TM_PRED; i++) |
| { |
| if (best_error > pred_error[i]) |
| { |
| best_error = pred_error[i]; |
| best_mode = (MB_PREDICTION_MODE)i; |
| } |
| } |
| |
| |
| mb->e_mbd.mode_info_context->mbmi.uv_mode = best_mode; |
| return best_error; |
| |
| } |
| |
| |
| int vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset, int *returnrate, int *returndistortion, int *returnintra) |
| { |
| BLOCK *b = &x->block[0]; |
| BLOCKD *d = &x->e_mbd.block[0]; |
| MACROBLOCKD *xd = &x->e_mbd; |
| B_MODE_INFO best_bmodes[16]; |
| MB_MODE_INFO best_mbmode; |
| PARTITION_INFO best_partition; |
| MV best_ref_mv1; |
| MV mode_mv[MB_MODE_COUNT]; |
| MB_PREDICTION_MODE this_mode; |
| int num00; |
| int i; |
| int mdcounts[4]; |
| int best_rd = INT_MAX; // 1 << 30; |
| int best_intra_rd = INT_MAX; |
| int mode_index; |
| int ref_frame_cost[MAX_REF_FRAMES]; |
| int rate; |
| int rate2; |
| int distortion2; |
| int bestsme; |
| //int all_rds[MAX_MODES]; // Experimental debug code. |
| int best_mode_index = 0; |
| int sse = INT_MAX; |
| |
| MV nearest_mv[4]; |
| MV near_mv[4]; |
| MV best_ref_mv[4]; |
| int MDCounts[4][4]; |
| unsigned char *y_buffer[4]; |
| unsigned char *u_buffer[4]; |
| unsigned char *v_buffer[4]; |
| |
| int skip_mode[4] = {0, 0, 0, 0}; |
| |
| vpx_memset(mode_mv, 0, sizeof(mode_mv)); |
| vpx_memset(nearest_mv, 0, sizeof(nearest_mv)); |
| vpx_memset(near_mv, 0, sizeof(near_mv)); |
| vpx_memset(&best_mbmode, 0, sizeof(best_mbmode)); |
| |
| |
| // set up all the refframe dependent pointers. |
| if (cpi->ref_frame_flags & VP8_LAST_FLAG) |
| { |
| YV12_BUFFER_CONFIG *lst_yv12 = &cpi->common.yv12_fb[cpi->common.lst_fb_idx]; |
| |
| vp8_find_near_mvs(&x->e_mbd, x->e_mbd.mode_info_context, &nearest_mv[LAST_FRAME], &near_mv[LAST_FRAME], |
| &best_ref_mv[LAST_FRAME], MDCounts[LAST_FRAME], LAST_FRAME, cpi->common.ref_frame_sign_bias); |
| |
| y_buffer[LAST_FRAME] = lst_yv12->y_buffer + recon_yoffset; |
| u_buffer[LAST_FRAME] = lst_yv12->u_buffer + recon_uvoffset; |
| v_buffer[LAST_FRAME] = lst_yv12->v_buffer + recon_uvoffset; |
| } |
| else |
| skip_mode[LAST_FRAME] = 1; |
| |
| if (cpi->ref_frame_flags & VP8_GOLD_FLAG) |
| { |
| YV12_BUFFER_CONFIG *gld_yv12 = &cpi->common.yv12_fb[cpi->common.gld_fb_idx]; |
| |
| vp8_find_near_mvs(&x->e_mbd, x->e_mbd.mode_info_context, &nearest_mv[GOLDEN_FRAME], &near_mv[GOLDEN_FRAME], |
| &best_ref_mv[GOLDEN_FRAME], MDCounts[GOLDEN_FRAME], GOLDEN_FRAME, cpi->common.ref_frame_sign_bias); |
| |
| y_buffer[GOLDEN_FRAME] = gld_yv12->y_buffer + recon_yoffset; |
| u_buffer[GOLDEN_FRAME] = gld_yv12->u_buffer + recon_uvoffset; |
| v_buffer[GOLDEN_FRAME] = gld_yv12->v_buffer + recon_uvoffset; |
| } |
| else |
| skip_mode[GOLDEN_FRAME] = 1; |
| |
| if (cpi->ref_frame_flags & VP8_ALT_FLAG && cpi->source_alt_ref_active) |
| { |
| YV12_BUFFER_CONFIG *alt_yv12 = &cpi->common.yv12_fb[cpi->common.alt_fb_idx]; |
| |
| vp8_find_near_mvs(&x->e_mbd, x->e_mbd.mode_info_context, &nearest_mv[ALTREF_FRAME], &near_mv[ALTREF_FRAME], |
| &best_ref_mv[ALTREF_FRAME], MDCounts[ALTREF_FRAME], ALTREF_FRAME, cpi->common.ref_frame_sign_bias); |
| |
| y_buffer[ALTREF_FRAME] = alt_yv12->y_buffer + recon_yoffset; |
| u_buffer[ALTREF_FRAME] = alt_yv12->u_buffer + recon_uvoffset; |
| v_buffer[ALTREF_FRAME] = alt_yv12->v_buffer + recon_uvoffset; |
| } |
| else |
| skip_mode[ALTREF_FRAME] = 1; |
| |
| cpi->mbs_tested_so_far++; // Count of the number of MBs tested so far this frame |
| |
| *returnintra = best_intra_rd; |
| x->skip = 0; |
| |
| ref_frame_cost[INTRA_FRAME] = vp8_cost_zero(cpi->prob_intra_coded); |
| |
| // Special case treatment when GF and ARF are not sensible options for reference |
| if (cpi->ref_frame_flags == VP8_LAST_FLAG) |
| { |
| ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded) |
| + vp8_cost_zero(255); |
| ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded) |
| + vp8_cost_one(255) |
| + vp8_cost_zero(128); |
| ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded) |
| + vp8_cost_one(255) |
| + vp8_cost_one(128); |
| } |
| else |
| { |
| ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded) |
| + vp8_cost_zero(cpi->prob_last_coded); |
| ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded) |
| + vp8_cost_one(cpi->prob_last_coded) |
| + vp8_cost_zero(cpi->prob_gf_coded); |
| ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded) |
| + vp8_cost_one(cpi->prob_last_coded) |
| + vp8_cost_one(cpi->prob_gf_coded); |
| } |
| |
| |
| |
| best_rd = INT_MAX; |
| |
| x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME; |
| |
| // if we encode a new mv this is important |
| // find the best new motion vector |
| for (mode_index = 0; mode_index < MAX_MODES; mode_index++) |
| { |
| int frame_cost; |
| int this_rd = INT_MAX; |
| |
| if (best_rd <= cpi->rd_threshes[mode_index]) |
| continue; |
| |
| x->e_mbd.mode_info_context->mbmi.ref_frame = vp8_ref_frame_order[mode_index]; |
| |
| if (skip_mode[x->e_mbd.mode_info_context->mbmi.ref_frame]) |
| continue; |
| |
| // 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 (cpi->mode_test_hit_counts[mode_index] && (cpi->mode_check_freq[mode_index] > 1)) |
| { |
| //if ( (cpi->mbs_tested_so_far / cpi->mode_test_hit_counts[mode_index]) <= cpi->mode_check_freq[mode_index] ) |
| if (cpi->mbs_tested_so_far <= (cpi->mode_check_freq[mode_index] * cpi->mode_test_hit_counts[mode_index])) |
| { |
| // Increase the threshold for coding this mode to make it less likely to be chosen |
| cpi->rd_thresh_mult[mode_index] += 4; |
| |
| if (cpi->rd_thresh_mult[mode_index] > MAX_THRESHMULT) |
| cpi->rd_thresh_mult[mode_index] = MAX_THRESHMULT; |
| |
| cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->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 |
| cpi->mode_test_hit_counts[mode_index] ++; |
| |
| rate2 = 0; |
| distortion2 = 0; |
| |
| this_mode = vp8_mode_order[mode_index]; |
| |
| // Experimental debug code. |
| //all_rds[mode_index] = -1; |
| |
| x->e_mbd.mode_info_context->mbmi.mode = this_mode; |
| x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED; |
| |
| // Work out the cost assosciated with selecting the reference frame |
| frame_cost = ref_frame_cost[x->e_mbd.mode_info_context->mbmi.ref_frame]; |
| rate2 += frame_cost; |
| |
| // everything but intra |
| if (x->e_mbd.mode_info_context->mbmi.ref_frame) |
| { |
| x->e_mbd.pre.y_buffer = y_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame]; |
| x->e_mbd.pre.u_buffer = u_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame]; |
| x->e_mbd.pre.v_buffer = v_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame]; |
| mode_mv[NEARESTMV] = nearest_mv[x->e_mbd.mode_info_context->mbmi.ref_frame]; |
| mode_mv[NEARMV] = near_mv[x->e_mbd.mode_info_context->mbmi.ref_frame]; |
| best_ref_mv1 = best_ref_mv[x->e_mbd.mode_info_context->mbmi.ref_frame]; |
| memcpy(mdcounts, MDCounts[x->e_mbd.mode_info_context->mbmi.ref_frame], sizeof(mdcounts)); |
| } |
| |
| //Only consider ZEROMV/ALTREF_FRAME for alt ref frame. |
| if (cpi->is_src_frame_alt_ref) |
| { |
| if (this_mode != ZEROMV || x->e_mbd.mode_info_context->mbmi.ref_frame != ALTREF_FRAME) |
| continue; |
| } |
| |
| switch (this_mode) |
| { |
| case B_PRED: |
| distortion2 = *returndistortion; // Best so far passed in as breakout value to vp8_pick_intra4x4mby_modes |
| vp8_pick_intra4x4mby_modes(IF_RTCD(&cpi->rtcd), x, &rate, &distortion2); |
| rate2 += rate; |
| distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff); |
| |
| if (distortion2 == INT_MAX) |
| { |
| this_rd = INT_MAX; |
| } |
| else |
| { |
| this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2); |
| |
| if (this_rd < best_intra_rd) |
| { |
| best_intra_rd = this_rd; |
| *returnintra = best_intra_rd ; |
| } |
| } |
| |
| break; |
| |
| case SPLITMV: |
| |
| // Split MV modes currently not supported when RD is nopt enabled. |
| break; |
| |
| case DC_PRED: |
| case V_PRED: |
| case H_PRED: |
| case TM_PRED: |
| vp8_build_intra_predictors_mby_ptr(&x->e_mbd); |
| distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff); |
| rate2 += x->mbmode_cost[x->e_mbd.frame_type][x->e_mbd.mode_info_context->mbmi.mode]; |
| this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2); |
| |
| if (this_rd < best_intra_rd) |
| { |
| best_intra_rd = this_rd; |
| *returnintra = best_intra_rd ; |
| } |
| |
| break; |
| |
| case NEWMV: |
| { |
| int thissme; |
| int step_param; |
| int further_steps; |
| int n = 0; |
| int sadpb = x->sadperbit16; |
| |
| // Further step/diamond searches as necessary |
| if (cpi->Speed < 8) |
| { |
| step_param = cpi->sf.first_step + ((cpi->Speed > 5) ? 1 : 0); |
| further_steps = (cpi->sf.max_step_search_steps - 1) - step_param; |
| } |
| else |
| { |
| step_param = cpi->sf.first_step + 2; |
| further_steps = 0; |
| } |
| |
| #if 0 |
| |
| // Initial step Search |
| bestsme = vp8_diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param, x->errorperbit, &num00, &cpi->fn_ptr, cpi->mb.mvsadcost, cpi->mb.mvcost); |
| mode_mv[NEWMV].row = d->bmi.mv.as_mv.row; |
| mode_mv[NEWMV].col = d->bmi.mv.as_mv.col; |
| |
| // Further step searches |
| while (n < further_steps) |
| { |
| n++; |
| |
| if (num00) |
| num00--; |
| else |
| { |
| thissme = vp8_diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param + n, x->errorperbit, &num00, &cpi->fn_ptr, cpi->mb.mvsadcost, x->mvcost); |
| |
| if (thissme < bestsme) |
| { |
| bestsme = thissme; |
| mode_mv[NEWMV].row = d->bmi.mv.as_mv.row; |
| mode_mv[NEWMV].col = d->bmi.mv.as_mv.col; |
| } |
| else |
| { |
| d->bmi.mv.as_mv.row = mode_mv[NEWMV].row; |
| d->bmi.mv.as_mv.col = mode_mv[NEWMV].col; |
| } |
| } |
| } |
| |
| #else |
| |
| if (cpi->sf.search_method == HEX) |
| { |
| bestsme = vp8_hex_search(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param, sadpb/*x->errorperbit*/, &num00, cpi->fn_ptr.vf, cpi->fn_ptr.sdf, x->mvsadcost, x->mvcost); |
| mode_mv[NEWMV].row = d->bmi.mv.as_mv.row; |
| mode_mv[NEWMV].col = d->bmi.mv.as_mv.col; |
| } |
| else |
| { |
| bestsme = cpi->diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param, sadpb / 2/*x->errorperbit*/, &num00, &cpi->fn_ptr, x->mvsadcost, x->mvcost); //sadpb < 9 |
| mode_mv[NEWMV].row = d->bmi.mv.as_mv.row; |
| mode_mv[NEWMV].col = d->bmi.mv.as_mv.col; |
| |
| // Further step/diamond searches as necessary |
| n = 0; |
| //further_steps = (cpi->sf.max_step_search_steps - 1) - step_param; |
| |
| n = num00; |
| num00 = 0; |
| |
| while (n < further_steps) |
| { |
| n++; |
| |
| if (num00) |
| num00--; |
| else |
| { |
| thissme = cpi->diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param + n, sadpb / 4/*x->errorperbit*/, &num00, &cpi->fn_ptr, x->mvsadcost, x->mvcost); //sadpb = 9 |
| |
| if (thissme < bestsme) |
| { |
| bestsme = thissme; |
| mode_mv[NEWMV].row = d->bmi.mv.as_mv.row; |
| mode_mv[NEWMV].col = d->bmi.mv.as_mv.col; |
| } |
| else |
| { |
| d->bmi.mv.as_mv.row = mode_mv[NEWMV].row; |
| d->bmi.mv.as_mv.col = mode_mv[NEWMV].col; |
| } |
| } |
| } |
| } |
| |
| #endif |
| } |
| |
| if (bestsme < INT_MAX) |
| cpi->find_fractional_mv_step(x, b, d, &d->bmi.mv.as_mv, &best_ref_mv1, x->errorperbit, cpi->fn_ptr.svf, cpi->fn_ptr.vf, cpi->mb.mvcost); |
| |
| mode_mv[NEWMV].row = d->bmi.mv.as_mv.row; |
| mode_mv[NEWMV].col = d->bmi.mv.as_mv.col; |
| |
| // mv cost; |
| rate2 += vp8_mv_bit_cost(&mode_mv[NEWMV], &best_ref_mv1, cpi->mb.mvcost, 128); |
| |
| |
| case NEARESTMV: |
| case NEARMV: |
| |
| if (mode_mv[this_mode].row == 0 && mode_mv[this_mode].col == 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].row >> 3) < x->mv_row_min) || ((mode_mv[this_mode].row >> 3) > x->mv_row_max) || |
| ((mode_mv[this_mode].col >> 3) < x->mv_col_min) || ((mode_mv[this_mode].col >> 3) > x->mv_col_max)) |
| continue; |
| |
| rate2 += vp8_cost_mv_ref(this_mode, mdcounts); |
| x->e_mbd.mode_info_context->mbmi.mode = this_mode; |
| x->e_mbd.mode_info_context->mbmi.mv.as_mv = mode_mv[this_mode]; |
| x->e_mbd.block[0].bmi.mode = this_mode; |
| x->e_mbd.block[0].bmi.mv.as_int = x->e_mbd.mode_info_context->mbmi.mv.as_int; |
| |
| distortion2 = get_inter_mbpred_error(x, cpi->fn_ptr.svf, cpi->fn_ptr.vf, (unsigned int *)(&sse)); |
| |
| this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2); |
| |
| if (cpi->active_map_enabled && x->active_ptr[0] == 0) |
| { |
| x->skip = 1; |
| } |
| else if (sse < x->encode_breakout) |
| { |
| // Check u and v to make sure skip is ok |
| int sse2 = 0; |
| |
| sse2 = VP8_UVSSE(x, IF_RTCD(&cpi->rtcd.variance)); |
| |
| if (sse2 * 2 < x->encode_breakout) |
| x->skip = 1; |
| else |
| x->skip = 0; |
| } |
| |
| break; |
| default: |
| break; |
| } |
| |
| // Experimental debug code. |
| //all_rds[mode_index] = this_rd; |
| |
| if (this_rd < best_rd || x->skip) |
| { |
| // Note index of best mode |
| best_mode_index = mode_index; |
| |
| *returnrate = rate2; |
| *returndistortion = distortion2; |
| best_rd = this_rd; |
| vpx_memcpy(&best_mbmode, &x->e_mbd.mode_info_context->mbmi, sizeof(MB_MODE_INFO)); |
| vpx_memcpy(&best_partition, x->partition_info, sizeof(PARTITION_INFO)); |
| |
| if (this_mode == B_PRED || this_mode == SPLITMV) |
| for (i = 0; i < 16; i++) |
| { |
| vpx_memcpy(&best_bmodes[i], &x->e_mbd.block[i].bmi, sizeof(B_MODE_INFO)); |
| } |
| else |
| { |
| best_bmodes[0].mv = x->e_mbd.block[0].bmi.mv; |
| } |
| |
| // Testing this mode gave rise to an improvement in best error score. Lower threshold a bit for next time |
| cpi->rd_thresh_mult[mode_index] = (cpi->rd_thresh_mult[mode_index] >= (MIN_THRESHMULT + 2)) ? cpi->rd_thresh_mult[mode_index] - 2 : MIN_THRESHMULT; |
| cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->rd_thresh_mult[mode_index]; |
| } |
| |
| // If the mode did not help improve the best error case then raise the threshold for testing that mode next time around. |
| else |
| { |
| cpi->rd_thresh_mult[mode_index] += 4; |
| |
| if (cpi->rd_thresh_mult[mode_index] > MAX_THRESHMULT) |
| cpi->rd_thresh_mult[mode_index] = MAX_THRESHMULT; |
| |
| cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->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 = (cpi->rd_thresh_mult[best_mode_index] >> 3); |
| |
| cpi->rd_thresh_mult[best_mode_index] = (cpi->rd_thresh_mult[best_mode_index] >= (MIN_THRESHMULT + best_adjustment)) ? cpi->rd_thresh_mult[best_mode_index] - best_adjustment : MIN_THRESHMULT; |
| cpi->rd_threshes[best_mode_index] = (cpi->rd_baseline_thresh[best_mode_index] >> 7) * cpi->rd_thresh_mult[best_mode_index]; |
| } |
| |
| // Keep a record of best mode index for use in next loop |
| cpi->last_best_mode_index = best_mode_index; |
| |
| if (best_mbmode.mode <= B_PRED) |
| { |
| x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME; |
| vp8_pick_intra_mbuv_mode(x); |
| best_mbmode.uv_mode = x->e_mbd.mode_info_context->mbmi.uv_mode; |
| } |
| |
| |
| { |
| int this_rdbin = (*returndistortion >> 7); |
| |
| if (this_rdbin >= 1024) |
| { |
| this_rdbin = 1023; |
| } |
| |
| cpi->error_bins[this_rdbin] ++; |
| } |
| |
| |
| if (cpi->is_src_frame_alt_ref && (best_mbmode.mode != ZEROMV || best_mbmode.ref_frame != ALTREF_FRAME)) |
| { |
| best_mbmode.mode = ZEROMV; |
| best_mbmode.ref_frame = ALTREF_FRAME; |
| best_mbmode.mv.as_int = 0; |
| best_mbmode.uv_mode = 0; |
| best_mbmode.mb_skip_coeff = (cpi->common.mb_no_coeff_skip) ? 1 : 0; |
| best_mbmode.partitioning = 0; |
| best_mbmode.dc_diff = 0; |
| |
| vpx_memcpy(&x->e_mbd.mode_info_context->mbmi, &best_mbmode, sizeof(MB_MODE_INFO)); |
| vpx_memcpy(x->partition_info, &best_partition, sizeof(PARTITION_INFO)); |
| |
| for (i = 0; i < 16; i++) |
| { |
| vpx_memset(&x->e_mbd.block[i].bmi, 0, sizeof(B_MODE_INFO)); |
| } |
| |
| x->e_mbd.mode_info_context->mbmi.mv.as_int = 0; |
| |
| return best_rd; |
| } |
| |
| |
| // macroblock modes |
| vpx_memcpy(&x->e_mbd.mode_info_context->mbmi, &best_mbmode, sizeof(MB_MODE_INFO)); |
| vpx_memcpy(x->partition_info, &best_partition, sizeof(PARTITION_INFO)); |
| |
| if (x->e_mbd.mode_info_context->mbmi.mode == B_PRED || x->e_mbd.mode_info_context->mbmi.mode == SPLITMV) |
| for (i = 0; i < 16; i++) |
| { |
| vpx_memcpy(&x->e_mbd.block[i].bmi, &best_bmodes[i], sizeof(B_MODE_INFO)); |
| |
| } |
| else |
| { |
| vp8_set_mbmode_and_mvs(x, x->e_mbd.mode_info_context->mbmi.mode, &best_bmodes[0].mv.as_mv); |
| } |
| |
| x->e_mbd.mode_info_context->mbmi.mv.as_mv = x->e_mbd.block[15].bmi.mv.as_mv; |
| |
| return best_rd; |
| } |
