| |
| /*! |
| *************************************************************************** |
| * \file md_low.c |
| * |
| * \brief |
| * Main macroblock mode decision functions and helpers |
| * |
| ************************************************************************** |
| */ |
| |
| #include <stdlib.h> |
| #include <math.h> |
| #include <assert.h> |
| #include <limits.h> |
| #include <float.h> |
| #include <memory.h> |
| #include <string.h> |
| |
| #include "global.h" |
| #include "rdopt_coding_state.h" |
| #include "mb_access.h" |
| #include "intrarefresh.h" |
| #include "image.h" |
| #include "transform8x8.h" |
| #include "ratectl.h" |
| #include "mode_decision.h" |
| #include "fmo.h" |
| #include "me_umhex.h" |
| #include "me_umhexsmp.h" |
| #include "macroblock.h" |
| |
| |
| //==== MODULE PARAMETERS ==== |
| static imgpel temp_imgY[16][16]; // to temp store the Y data for 8x8 transform |
| |
| |
| /*! |
| ************************************************************************************* |
| * \brief |
| * Mode Decision for a macroblock |
| ************************************************************************************* |
| */ |
| void encode_one_macroblock_low () |
| { |
| |
| int block, mode, i, j, k, dummy, MEPos; |
| signed char best_pdir; |
| RD_PARAMS enc_mb; |
| signed char best_ref[2] = {0, -1}; |
| int bmcost[5] = {INT_MAX}; |
| int cost=0; |
| int min_cost = INT_MAX, cost_direct=0, have_direct=0, i16mode=0; |
| int intra1 = 0; |
| int temp_cpb = 0; |
| int best_transform_flag = 0; |
| int cost8x8_direct = 0; |
| short islice = (short) (img->type==I_SLICE); |
| short bslice = (short) (img->type==B_SLICE); |
| short pslice = (short) ((img->type==P_SLICE) || (img->type==SP_SLICE)); |
| short intra = (short) (islice || (pslice && img->mb_y==img->mb_y_upd && img->mb_y_upd!=img->mb_y_intra)); |
| int lambda_mf[3]; |
| int pix_x, pix_y; |
| Macroblock* currMB = &img->mb_data[img->current_mb_nr]; |
| int prev_mb_nr = FmoGetPreviousMBNr(img->current_mb_nr); |
| Macroblock* prevMB = (prev_mb_nr >= 0) ? &img->mb_data[prev_mb_nr]:NULL ; |
| |
| signed char **ipredmodes = img->ipredmode; |
| short *allmvs = img->all_mv[0][0][0][0][0]; |
| int ****i4p; //for non-RD-opt. mode |
| |
| int tmp_8x8_flag, tmp_no_mbpart; |
| // Fast Mode Decision |
| short inter_skip = 0; |
| |
| |
| if(input->SearchMode == UM_HEX) |
| { |
| UMHEX_decide_intrabk_SAD(); |
| } |
| else if (input->SearchMode == UM_HEX_SIMPLE) |
| { |
| smpUMHEX_decide_intrabk_SAD(); |
| } |
| |
| intra |= RandomIntra (img->current_mb_nr); // Forced Pseudo-Random Intra |
| |
| //===== Setup Macroblock encoding parameters ===== |
| init_enc_mb_params(currMB, &enc_mb, intra, bslice); |
| |
| |
| // reset chroma intra predictor to default |
| currMB->c_ipred_mode = DC_PRED_8; |
| |
| //===== S T O R E C O D I N G S T A T E ===== |
| //--------------------------------------------------- |
| store_coding_state (cs_cm); |
| |
| if (!intra) |
| { |
| //===== set direct motion vectors ===== |
| best_mode = 1; |
| if (bslice) |
| { |
| Get_Direct_Motion_Vectors (); |
| } |
| |
| if (input->CtxAdptLagrangeMult == 1) |
| { |
| get_initial_mb16x16_cost(); |
| } |
| |
| //===== MOTION ESTIMATION FOR 16x16, 16x8, 8x16 BLOCKS ===== |
| for (min_cost=INT_MAX, mode=1; mode<4; mode++) |
| { |
| bi_pred_me = 0; |
| img->bi_pred_me[mode]=0; |
| if (enc_mb.valid[mode] && !inter_skip) |
| { |
| for (cost=0, block=0; block<(mode==1?1:2); block++) |
| { |
| for (MEPos=0; MEPos<3; MEPos++) |
| { |
| lambda_mf[MEPos] = input->CtxAdptLagrangeMult == 0 ? enc_mb.lambda_mf[MEPos] : (int)(enc_mb.lambda_mf[MEPos] * sqrt(lambda_mf_factor)); |
| } |
| PartitionMotionSearch (mode, block, lambda_mf); |
| |
| //--- set 4x4 block indizes (for getting MV) --- |
| j = (block==1 && mode==2 ? 2 : 0); |
| i = (block==1 && mode==3 ? 2 : 0); |
| |
| //--- get cost and reference frame for List 0 prediction --- |
| bmcost[LIST_0] = INT_MAX; |
| list_prediction_cost(LIST_0, block, mode, enc_mb, bmcost, best_ref); |
| |
| if (bslice) |
| { |
| //--- get cost and reference frame for List 1 prediction --- |
| bmcost[LIST_1] = INT_MAX; |
| list_prediction_cost(LIST_1, block, mode, enc_mb, bmcost, best_ref); |
| |
| // Compute bipredictive cost between best list 0 and best list 1 references |
| list_prediction_cost(BI_PRED, block, mode, enc_mb, bmcost, best_ref); |
| |
| // Finally, if mode 16x16, compute cost for bipredictive ME vectore |
| if (input->BiPredMotionEstimation && mode == 1) |
| { |
| list_prediction_cost(BI_PRED_L0, block, mode, enc_mb, bmcost, 0); |
| list_prediction_cost(BI_PRED_L1, block, mode, enc_mb, bmcost, 0); |
| } |
| else |
| { |
| bmcost[BI_PRED_L0] = INT_MAX; |
| bmcost[BI_PRED_L1] = INT_MAX; |
| } |
| |
| // Determine prediction list based on mode cost |
| determine_prediction_list(mode, bmcost, best_ref, &best_pdir, &cost, &bi_pred_me); |
| } |
| else // if (bslice) |
| { |
| best_pdir = 0; |
| cost += bmcost[LIST_0]; |
| } |
| |
| assign_enc_picture_params(mode, best_pdir, block, enc_mb.list_offset[LIST_0], best_ref[LIST_0], best_ref[LIST_1], bslice); |
| |
| //----- set reference frame and direction parameters ----- |
| if (mode==3) |
| { |
| best8x8fwref [3][block ] = best8x8fwref [3][ block+2] = best_ref[LIST_0]; |
| best8x8pdir [3][block ] = best8x8pdir [3][ block+2] = best_pdir; |
| best8x8bwref [3][block ] = best8x8bwref [3][ block+2] = best_ref[LIST_1]; |
| } |
| else if (mode==2) |
| { |
| best8x8fwref [2][2*block] = best8x8fwref [2][2*block+1] = best_ref[LIST_0]; |
| best8x8pdir [2][2*block] = best8x8pdir [2][2*block+1] = best_pdir; |
| best8x8bwref [2][2*block] = best8x8bwref [2][2*block+1] = best_ref[LIST_1]; |
| } |
| else |
| { |
| memset(&best8x8fwref [1][0], best_ref[LIST_0], 4 * sizeof(char)); |
| memset(&best8x8bwref [1][0], best_ref[LIST_1], 4 * sizeof(char)); |
| best8x8pdir [1][0] = best8x8pdir [1][1] = best8x8pdir [1][2] = best8x8pdir [1][3] = best_pdir; |
| } |
| |
| //--- set reference frames and motion vectors --- |
| if (mode>1 && block==0) |
| SetRefAndMotionVectors (block, mode, best_pdir, best_ref[LIST_0], best_ref[LIST_1]); |
| } // for (block=0; block<(mode==1?1:2); block++) |
| |
| currMB->luma_transform_size_8x8_flag = 0; |
| if (input->Transform8x8Mode) //for inter rd-off, set 8x8 to do 8x8 transform |
| { |
| SetModesAndRefframeForBlocks(mode); |
| currMB->luma_transform_size_8x8_flag = TransformDecision(-1, &cost); |
| } |
| |
| if ((!inter_skip) && (cost < min_cost)) |
| { |
| best_mode = (short) mode; |
| min_cost = cost; |
| best_transform_flag = currMB->luma_transform_size_8x8_flag; |
| |
| if (input->CtxAdptLagrangeMult == 1) |
| { |
| adjust_mb16x16_cost(cost); |
| } |
| } |
| } // if (enc_mb.valid[mode]) |
| } // for (mode=1; mode<4; mode++) |
| |
| if ((!inter_skip) && enc_mb.valid[P8x8]) |
| { |
| giRDOpt_B8OnlyFlag = 1; |
| |
| tr8x8.cost8x8 = INT_MAX; |
| tr4x4.cost8x8 = INT_MAX; |
| //===== store coding state of macroblock ===== |
| store_coding_state (cs_mb); |
| |
| currMB->all_blk_8x8 = -1; |
| |
| if (input->Transform8x8Mode) |
| { |
| tr8x8.cost8x8 = 0; |
| //=========================================================== |
| // Check 8x8 partition with transform size 8x8 |
| //=========================================================== |
| //===== LOOP OVER 8x8 SUB-PARTITIONS (Motion Estimation & Mode Decision) ===== |
| for (cost_direct=cbp8x8=cbp_blk8x8=cnt_nonz_8x8=0, block=0; block<4; block++) |
| { |
| submacroblock_mode_decision(enc_mb, &tr8x8, currMB, cofAC_8x8ts[block], |
| &have_direct, bslice, block, &cost_direct, &cost, &cost8x8_direct, 1); |
| best8x8mode [block] = tr8x8.part8x8mode [block]; |
| best8x8pdir [P8x8][block] = tr8x8.part8x8pdir [block]; |
| best8x8fwref[P8x8][block] = tr8x8.part8x8fwref[block]; |
| best8x8bwref[P8x8][block] = tr8x8.part8x8bwref[block]; |
| } |
| |
| // following params could be added in RD_8x8DATA structure |
| cbp8_8x8ts = cbp8x8; |
| cbp_blk8_8x8ts = cbp_blk8x8; |
| cnt_nonz8_8x8ts = cnt_nonz_8x8; |
| currMB->luma_transform_size_8x8_flag = 0; //switch to 4x4 transform size |
| |
| //--- re-set coding state (as it was before 8x8 block coding) --- |
| //reset_coding_state (cs_mb); |
| }// if (input->Transform8x8Mode) |
| |
| |
| if (input->Transform8x8Mode != 2) |
| { |
| tr4x4.cost8x8 = 0; |
| //================================================================= |
| // Check 8x8, 8x4, 4x8 and 4x4 partitions with transform size 4x4 |
| //================================================================= |
| //===== LOOP OVER 8x8 SUB-PARTITIONS (Motion Estimation & Mode Decision) ===== |
| for (cost_direct=cbp8x8=cbp_blk8x8=cnt_nonz_8x8=0, block=0; block<4; block++) |
| { |
| submacroblock_mode_decision(enc_mb, &tr4x4, currMB, cofAC8x8[block], |
| &have_direct, bslice, block, &cost_direct, &cost, &cost8x8_direct, 0); |
| |
| best8x8mode [block] = tr4x4.part8x8mode [block]; |
| best8x8pdir [P8x8][block] = tr4x4.part8x8pdir [block]; |
| best8x8fwref[P8x8][block] = tr4x4.part8x8fwref[block]; |
| best8x8bwref[P8x8][block] = tr4x4.part8x8bwref[block]; |
| } |
| //--- re-set coding state (as it was before 8x8 block coding) --- |
| // reset_coding_state (cs_mb); |
| }// if (input->Transform8x8Mode != 2) |
| |
| //--- re-set coding state (as it was before 8x8 block coding) --- |
| reset_coding_state (cs_mb); |
| |
| |
| // This is not enabled yet since mpr has reverse order. |
| if (input->RCEnable) |
| rc_store_diff(img->opix_x,img->opix_y,img->mpr); |
| |
| //check cost for P8x8 for non-rdopt mode |
| if (tr4x4.cost8x8 < min_cost || tr8x8.cost8x8 < min_cost) |
| { |
| best_mode = P8x8; |
| if (input->Transform8x8Mode == 2) |
| { |
| min_cost = tr8x8.cost8x8; |
| currMB->luma_transform_size_8x8_flag=1; |
| } |
| else if (input->Transform8x8Mode) |
| { |
| if (tr8x8.cost8x8 < tr4x4.cost8x8) |
| { |
| min_cost = tr8x8.cost8x8; |
| currMB->luma_transform_size_8x8_flag=1; |
| } |
| else if(tr4x4.cost8x8 < tr8x8.cost8x8) |
| { |
| min_cost = tr4x4.cost8x8; |
| currMB->luma_transform_size_8x8_flag=0; |
| } |
| else |
| { |
| if (GetBestTransformP8x8() == 0) |
| { |
| min_cost = tr4x4.cost8x8; |
| currMB->luma_transform_size_8x8_flag=0; |
| } |
| else |
| { |
| min_cost = tr8x8.cost8x8; |
| currMB->luma_transform_size_8x8_flag=1; |
| } |
| } |
| } |
| else |
| { |
| min_cost = tr4x4.cost8x8; |
| currMB->luma_transform_size_8x8_flag=0; |
| } |
| }// if ((tr4x4.cost8x8 < min_cost || tr8x8.cost8x8 < min_cost)) |
| giRDOpt_B8OnlyFlag = 0; |
| } |
| else // if (enc_mb.valid[P8x8]) |
| { |
| tr4x4.cost8x8 = INT_MAX; |
| } |
| |
| // Find a motion vector for the Skip mode |
| if(pslice) |
| FindSkipModeMotionVector (); |
| } |
| else // if (!intra) |
| { |
| min_cost = INT_MAX; |
| } |
| |
| //========= C H O O S E B E S T M A C R O B L O C K M O D E ========= |
| //------------------------------------------------------------------------- |
| tmp_8x8_flag = currMB->luma_transform_size_8x8_flag; //save 8x8_flag |
| tmp_no_mbpart = currMB->NoMbPartLessThan8x8Flag; //save no-part-less |
| |
| if (img->yuv_format != YUV400) |
| // precompute all chroma intra prediction modes |
| IntraChromaPrediction(NULL, NULL, NULL); |
| |
| if (enc_mb.valid[0] && bslice) // check DIRECT MODE |
| { |
| if(have_direct) |
| { |
| switch(input->Transform8x8Mode) |
| { |
| case 1: // Mixture of 8x8 & 4x4 transform |
| cost = ((cost8x8_direct < cost_direct) || !(enc_mb.valid[5] && enc_mb.valid[6] && enc_mb.valid[7])) |
| ? cost8x8_direct : cost_direct; |
| break; |
| case 2: // 8x8 Transform only |
| cost = cost8x8_direct; |
| break; |
| default: // 4x4 Transform only |
| cost = cost_direct; |
| break; |
| } |
| } |
| else |
| { //!have_direct |
| cost = GetDirectCostMB (); |
| } |
| if (cost!=INT_MAX) |
| { |
| cost -= (int)floor(16*enc_mb.lambda_md+0.4999); |
| } |
| |
| if (cost <= min_cost) |
| { |
| if(active_sps->direct_8x8_inference_flag && input->Transform8x8Mode) |
| { |
| if(input->Transform8x8Mode==2) |
| currMB->luma_transform_size_8x8_flag=1; |
| else |
| { |
| if(cost8x8_direct < cost_direct) |
| currMB->luma_transform_size_8x8_flag=1; |
| else |
| currMB->luma_transform_size_8x8_flag=0; |
| } |
| } |
| else |
| currMB->luma_transform_size_8x8_flag=0; |
| |
| //Rate control |
| if (input->RCEnable) |
| rc_store_diff(img->opix_x,img->opix_y,img->mpr); |
| |
| min_cost = cost; |
| best_mode = 0; |
| tmp_8x8_flag = currMB->luma_transform_size_8x8_flag; |
| } |
| else |
| { |
| currMB->luma_transform_size_8x8_flag = tmp_8x8_flag; // restore if not best |
| currMB->NoMbPartLessThan8x8Flag = tmp_no_mbpart; // restore if not best |
| } |
| } |
| |
| if (enc_mb.valid[I8MB]) // check INTRA8x8 |
| { |
| currMB->luma_transform_size_8x8_flag = 1; // at this point cost will ALWAYS be less than min_cost |
| |
| currMB->mb_type = I8MB; |
| temp_cpb = Mode_Decision_for_new_Intra8x8Macroblock (enc_mb.lambda_md, &cost); |
| |
| if (cost <= min_cost) |
| { |
| currMB->cbp = temp_cpb; |
| |
| //coeffs |
| if (input->Transform8x8Mode != 2) |
| { |
| i4p=cofAC; cofAC=img->cofAC; img->cofAC=i4p; |
| } |
| |
| for(j=0; j<MB_BLOCK_SIZE; j++) |
| { |
| pix_y = img->pix_y + j; |
| for(i=0; i<MB_BLOCK_SIZE; i++) |
| { |
| pix_x = img->pix_x + i; |
| temp_imgY[j][i] = enc_picture->imgY[pix_y][pix_x]; |
| } |
| } |
| |
| //Rate control |
| if (input->RCEnable) |
| rc_store_diff(img->opix_x,img->opix_y,img->mpr); |
| |
| min_cost = cost; |
| best_mode = I8MB; |
| tmp_8x8_flag = currMB->luma_transform_size_8x8_flag; |
| } |
| else |
| currMB->luma_transform_size_8x8_flag = tmp_8x8_flag; // restore if not best |
| } |
| |
| if (enc_mb.valid[I4MB]) // check INTRA4x4 |
| { |
| currMB->luma_transform_size_8x8_flag = 0; |
| currMB->mb_type = I4MB; |
| temp_cpb = Mode_Decision_for_Intra4x4Macroblock (enc_mb.lambda_md, &cost); |
| |
| if (cost <= min_cost) |
| { |
| currMB->cbp = temp_cpb; |
| |
| //Rate control |
| if (input->RCEnable) |
| rc_store_diff(img->opix_x,img->opix_y,img->mpr); |
| |
| min_cost = cost; |
| best_mode = I4MB; |
| tmp_8x8_flag = currMB->luma_transform_size_8x8_flag; |
| } |
| else |
| { |
| currMB->luma_transform_size_8x8_flag = tmp_8x8_flag; // restore if not best |
| //coeffs |
| i4p=cofAC; cofAC=img->cofAC; img->cofAC=i4p; |
| } |
| } |
| if (enc_mb.valid[I16MB]) // check INTRA16x16 |
| { |
| currMB->luma_transform_size_8x8_flag = 0; |
| intrapred_luma_16x16 (); |
| cost = find_sad_16x16 (&i16mode); |
| |
| if (cost < min_cost) |
| { |
| //Rate control |
| // should this access opix or pix? |
| if (input->RCEnable) |
| rc_store_diff(img->opix_x,img->opix_y,img->mprr_2[i16mode]); |
| |
| best_mode = I16MB; |
| currMB->cbp = dct_luma_16x16 (i16mode); |
| |
| } |
| else |
| { |
| currMB->luma_transform_size_8x8_flag = tmp_8x8_flag; // restore |
| currMB->NoMbPartLessThan8x8Flag = tmp_no_mbpart; // restore |
| } |
| } |
| |
| intra1 = IS_INTRA(currMB); |
| |
| //===== S E T F I N A L M A C R O B L O C K P A R A M E T E R S ====== |
| //--------------------------------------------------------------------------- |
| { |
| //===== set parameters for chosen mode ===== |
| SetModesAndRefframeForBlocks (best_mode); |
| |
| if (best_mode==P8x8) |
| { |
| if (currMB->luma_transform_size_8x8_flag && (cbp8_8x8ts == 0) && input->Transform8x8Mode != 2) |
| currMB->luma_transform_size_8x8_flag = 0; |
| |
| SetCoeffAndReconstruction8x8 (currMB); |
| |
| memset(currMB->intra_pred_modes, DC_PRED, MB_BLOCK_PARTITIONS * sizeof(char)); |
| for (k=0, j = img->block_y; j < img->block_y + BLOCK_MULTIPLE; j++) |
| memset(&ipredmodes[j][img->block_x], DC_PRED, BLOCK_MULTIPLE * sizeof(char)); |
| } |
| else |
| { |
| //===== set parameters for chosen mode ===== |
| if (best_mode == I8MB) |
| { |
| memcpy(currMB->intra_pred_modes,currMB->intra_pred_modes8x8, MB_BLOCK_PARTITIONS * sizeof(char)); |
| for(j = img->block_y; j < img->block_y + BLOCK_MULTIPLE; j++) |
| memcpy(&img->ipredmode[j][img->block_x],&img->ipredmode8x8[j][img->block_x], BLOCK_MULTIPLE * sizeof(char)); |
| |
| //--- restore reconstruction for 8x8 transform --- |
| for(j=0; j<MB_BLOCK_SIZE; j++) |
| { |
| memcpy(&enc_picture->imgY[img->pix_y + j][img->pix_x],temp_imgY[j], MB_BLOCK_SIZE * sizeof(imgpel)); |
| } |
| } |
| |
| if ((best_mode!=I4MB)&&(best_mode != I8MB)) |
| { |
| memset(currMB->intra_pred_modes,DC_PRED, MB_BLOCK_PARTITIONS * sizeof(char)); |
| for(j = img->block_y; j < img->block_y + BLOCK_MULTIPLE; j++) |
| memset(&ipredmodes[j][img->block_x],DC_PRED, BLOCK_MULTIPLE * sizeof(char)); |
| |
| if (best_mode!=I16MB) |
| { |
| if((best_mode>=1) && (best_mode<=3)) |
| currMB->luma_transform_size_8x8_flag = best_transform_flag; |
| LumaResidualCoding (); |
| |
| if((currMB->cbp==0)&&(best_mode==0)) |
| currMB->luma_transform_size_8x8_flag = 0; |
| |
| //Rate control |
| if (input->RCEnable) |
| rc_store_diff(img->opix_x,img->opix_y,img->mpr); |
| } |
| } |
| } |
| //check luma cbp for transform size flag |
| if (((currMB->cbp&15) == 0) && !(IS_OLDINTRA(currMB) || currMB->mb_type == I8MB)) |
| currMB->luma_transform_size_8x8_flag = 0; |
| |
| // precompute all chroma intra prediction modes |
| if (img->yuv_format != YUV400) |
| IntraChromaPrediction(NULL, NULL, NULL); |
| |
| img->i16offset = 0; |
| dummy = 0; |
| |
| if (img->yuv_format!=YUV400) |
| ChromaResidualCoding (&dummy); |
| |
| if (best_mode==I16MB) |
| { |
| img->i16offset = I16Offset (currMB->cbp, i16mode); |
| } |
| |
| SetMotionVectorsMB (currMB, bslice); |
| |
| //===== check for SKIP mode ===== |
| if ((pslice) && best_mode==1 && currMB->cbp==0 && |
| enc_picture->ref_idx[LIST_0][img->block_y][img->block_x] == 0 && |
| enc_picture->mv [LIST_0][img->block_y][img->block_x][0] == allmvs[0] && |
| enc_picture->mv [LIST_0][img->block_y][img->block_x][1] == allmvs[1]) |
| { |
| currMB->mb_type = currMB->b8mode[0] = currMB->b8mode[1] = currMB->b8mode[2] = currMB->b8mode[3] = 0; |
| currMB->luma_transform_size_8x8_flag = 0; |
| } |
| |
| if(img->MbaffFrameFlag) |
| set_mbaff_parameters(); |
| } |
| |
| // Rate control |
| if(input->RCEnable) |
| update_rc(currMB, best_mode); |
| |
| rdopt->min_rdcost = min_cost; |
| |
| if ( (img->MbaffFrameFlag) |
| && (img->current_mb_nr%2) |
| && (currMB->mb_type ? 0:((bslice) ? !currMB->cbp:1)) // bottom is skip |
| && (prevMB->mb_type ? 0:((bslice) ? !prevMB->cbp:1)) |
| && !(field_flag_inference() == enc_mb.curr_mb_field)) // top is skip |
| { |
| rdopt->min_rdcost = 1e30; // don't allow coding of a MB pair as skip if wrong inference |
| } |
| |
| //===== Decide if this MB will restrict the reference frames ===== |
| if (input->RestrictRef) |
| update_refresh_map(intra, intra1, currMB); |
| |
| if(input->SearchMode == UM_HEX) |
| { |
| UMHEX_skip_intrabk_SAD(best_mode, listXsize[enc_mb.list_offset[LIST_0]]); |
| } |
| else if(input->SearchMode == UM_HEX_SIMPLE) |
| { |
| smpUMHEX_skip_intrabk_SAD(best_mode, listXsize[enc_mb.list_offset[LIST_0]]); |
| } |
| |
| //--- constrain intra prediction --- |
| if(input->UseConstrainedIntraPred && (img->type==P_SLICE || img->type==B_SLICE)) |
| { |
| img->intra_block[img->current_mb_nr] = IS_INTRA(currMB); |
| } |
| } |
| |
