diff options
author | Mickaƫl Raulet <mraulet@insa-rennes.fr> | 2013-10-27 19:50:20 +0400 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2013-10-28 02:48:43 +0400 |
commit | c1882e801d6492565951c19ba520c8a2bd8735e8 (patch) | |
tree | e428488f055c2661d096337dc74517e23b072dae /libavcodec | |
parent | 2707cca78f70a5c1c744dbedbcaefd5c7d7f7586 (diff) |
hevc: clean up mvs(cherry picked from commit 955317c09b877a513d3fcfcd1615909b2f4f651c)
Decreases the difference to Anton Khirnovs patch v5
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/hevc_mvs.c | 522 |
1 files changed, 164 insertions, 358 deletions
diff --git a/libavcodec/hevc_mvs.c b/libavcodec/hevc_mvs.c index 6730685679..c6e229f7b6 100644 --- a/libavcodec/hevc_mvs.c +++ b/libavcodec/hevc_mvs.c @@ -235,11 +235,10 @@ static int derive_temporal_colocated_mvs(HEVCContext *s, MvField temp_col, #define TAB_MVF_PU(v) \ TAB_MVF(x##v##_pu, y##v##_pu) -#define DERIVE_TEMPORAL_COLOCATED_MVS(v) \ +#define DERIVE_TEMPORAL_COLOCATED_MVS \ derive_temporal_colocated_mvs(s, temp_col, \ refIdxLx, mvLXCol, X, colPic, \ - ff_hevc_get_ref_list(s, ref, \ - x##v, y##v)) + ff_hevc_get_ref_list(s, ref, x, y)) /* * 8.5.3.1.7 temporal luma motion vector prediction @@ -250,13 +249,9 @@ static int temporal_luma_motion_vector(HEVCContext *s, int x0, int y0, { MvField *tab_mvf; MvField temp_col; - int xPRb, yPRb; - int xPRb_pu; - int yPRb_pu; - int xPCtr, yPCtr; - int xPCtr_pu; - int yPCtr_pu; - int min_pu_width = s->sps->width >> s->sps->log2_min_pu_size; + int x, y; + int x_pu, y_pu; + int min_pu_width = s->sps->min_pu_width; int availableFlagLXCol = 0; int colPic; @@ -269,37 +264,33 @@ static int temporal_luma_motion_vector(HEVCContext *s, int x0, int y0, colPic = ref->poc; //bottom right collocated motion vector - xPRb = x0 + nPbW; - yPRb = y0 + nPbH; + x = x0 + nPbW; + y = y0 + nPbH; if (s->threads_type == FF_THREAD_FRAME ) ff_thread_await_progress(&ref->tf, INT_MAX, 0); if (tab_mvf && - y0 >> s->sps->log2_ctb_size == yPRb >> s->sps->log2_ctb_size && - yPRb < s->sps->height && - xPRb < s->sps->width) { - xPRb = ((xPRb >> 4) << 4); - yPRb = ((yPRb >> 4) << 4); - xPRb_pu = xPRb >> s->sps->log2_min_pu_size; - yPRb_pu = yPRb >> s->sps->log2_min_pu_size; - temp_col = TAB_MVF_PU(PRb); - availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS(PRb); - } else { - mvLXCol->x = 0; - mvLXCol->y = 0; - availableFlagLXCol = 0; + (y0 >> s->sps->log2_ctb_size) == (y >> s->sps->log2_ctb_size) && + y < s->sps->height && + x < s->sps->width) { + x = ((x >> 4) << 4); + y = ((y >> 4) << 4); + x_pu = x >> s->sps->log2_min_pu_size; + y_pu = y >> s->sps->log2_min_pu_size; + temp_col = TAB_MVF(x_pu, y_pu); + availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS; } // derive center collocated motion vector - if (tab_mvf && availableFlagLXCol == 0) { - xPCtr = x0 + (nPbW >> 1); - yPCtr = y0 + (nPbH >> 1); - xPCtr = ((xPCtr >> 4) << 4); - yPCtr = ((yPCtr >> 4) << 4); - xPCtr_pu = xPCtr >> s->sps->log2_min_pu_size; - yPCtr_pu = yPCtr >> s->sps->log2_min_pu_size; - temp_col = TAB_MVF_PU(PCtr); - availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS(PCtr); + if (tab_mvf && !availableFlagLXCol) { + x = x0 + (nPbW >> 1); + y = y0 + (nPbH >> 1); + x = ((x >> 4) << 4); + y = ((y >> 4) << 4); + x_pu = x >> s->sps->log2_min_pu_size; + y_pu = y >> s->sps->log2_min_pu_size; + temp_col = TAB_MVF(x_pu, y_pu); + availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS; } return availableFlagLXCol; } @@ -323,82 +314,62 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0, int singleMCLFlag, int part_idx, struct MvField mergecandlist[]) { - HEVCLocalContext *lc = s->HEVClc; + HEVCLocalContext *lc = s->HEVClc; RefPicList *refPicList = s->ref->refPicList; - MvField *tab_mvf = s->ref->tab_mvf; + MvField *tab_mvf = s->ref->tab_mvf; + + const int min_pu_width = s->sps->min_pu_width; + + const int cand_bottom_left = lc->na.cand_bottom_left; + const int cand_left = lc->na.cand_left; + const int cand_up_left = lc->na.cand_up_left; + const int cand_up = lc->na.cand_up; + const int cand_up_right = lc->na.cand_up_right_sap; + + const int xA1 = x0 - 1; + const int yA1 = y0 + nPbH - 1; + const int xA1_pu = xA1 >> s->sps->log2_min_pu_size; + const int yA1_pu = yA1 >> s->sps->log2_min_pu_size; + + const int xB1 = x0 + nPbW - 1; + const int yB1 = y0 - 1; + const int xB1_pu = xB1 >> s->sps->log2_min_pu_size; + const int yB1_pu = yB1 >> s->sps->log2_min_pu_size; + + const int xB0 = x0 + nPbW; + const int yB0 = y0 - 1; + const int xB0_pu = xB0 >> s->sps->log2_min_pu_size; + const int yB0_pu = yB0 >> s->sps->log2_min_pu_size; + + const int xA0 = x0 - 1; + const int yA0 = y0 + nPbH; + const int xA0_pu = xA0 >> s->sps->log2_min_pu_size; + const int yA0_pu = yA0 >> s->sps->log2_min_pu_size; + + const int xB2 = x0 - 1; + const int yB2 = y0 - 1; + const int xB2_pu = xB2 >> s->sps->log2_min_pu_size; + const int yB2_pu = yB2 >> s->sps->log2_min_pu_size; + + const int nb_refs = (s->sh.slice_type == P_SLICE) ? + s->sh.nb_refs[0] : FFMIN(s->sh.nb_refs[0], s->sh.nb_refs[1]); + int check_MER = 1; + int check_MER_1 = 1; - int available_a1_flag = 0; - int available_b1_flag = 0; - int available_b0_flag = 0; - int available_a0_flag = 0; - int available_b2_flag = 0; - struct MvField spatialCMVS[MRG_MAX_NUM_CANDS]; - struct MvField combCand = { { { 0 } } }; - struct MvField TMVPCand = { { { 0 } } }; - struct Mv mvL0Col = { 0 }; - struct Mv mvL1Col = { 0 }; + int zero_idx = 0; - //first left spatial merge candidate - int xA1 = x0 - 1; - int yA1 = y0 + nPbH - 1; - int is_available_a1; - int min_pu_width = s->sps->width >> s->sps->log2_min_pu_size; + int nb_merge_cand = 0; + int nb_orig_merge_cand = 0; - int check_MER = 1; - int check_MER_1 = 1; - - int xB1, yB1; + int is_available_a0; + int is_available_a1; + int is_available_b0; int is_available_b1; - int xB1_pu; - int yB1_pu; - + int is_available_b2; int check_B0; - int xB0, yB0; - int isAvailableB0; - int xB0_pu; - int yB0_pu; - int check_A0; - int xA0, yA0; - int is_available_a0; - int xA0_pu; - int yA0_pu; - - int xB2, yB2; - int isAvailableB2; - int xB2_pu; - int yB2_pu; - int mergearray_index = 0; - - struct MvField zerovector; - int numRefIdx = 0; - int zeroIdx = 0; - - int numMergeCand = 0; - int numOrigMergeCand = 0; - int sumcandidates = 0; - int combIdx = 0; - int combStop = 0; - int l0CandIdx = 0; - int l1CandIdx = 0; - - int refIdxL0Col = 0; - int refIdxL1Col = 0; - int availableFlagLXCol = 0; - - int cand_bottom_left = lc->na.cand_bottom_left; - int cand_left = lc->na.cand_left; - int cand_up_left = lc->na.cand_up_left; - int cand_up = lc->na.cand_up; - int cand_up_right = lc->na.cand_up_right_sap; - - - int xA1_pu = xA1 >> s->sps->log2_min_pu_size; - int yA1_pu = yA1 >> s->sps->log2_min_pu_size; - - int availableFlagL0Col = 0; - int availableFlagL1Col = 0; + //first left spatial merge candidate is_available_a1 = AVAILABLE(cand_left, A1); if (!singleMCLFlag && part_idx == 1 && @@ -409,29 +380,10 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0, is_available_a1 = 0; } - if (is_available_a1) { - available_a1_flag = 1; - spatialCMVS[0] = TAB_MVF_PU(A1); - } else { - available_a1_flag = 0; - spatialCMVS[0].ref_idx[0] = -1; - spatialCMVS[0].ref_idx[1] = -1; - spatialCMVS[0].mv[0].x = 0; - spatialCMVS[0].mv[0].y = 0; - spatialCMVS[0].mv[1].x = 0; - spatialCMVS[0].mv[1].y = 0; - spatialCMVS[0].pred_flag[0] = 0; - spatialCMVS[0].pred_flag[1] = 0; - spatialCMVS[0].is_intra = 0; - } + if (is_available_a1) + mergecandlist[nb_merge_cand++] = TAB_MVF_PU(A1); // above spatial merge candidate - - xB1 = x0 + nPbW - 1; - yB1 = y0 - 1; - xB1_pu = xB1 >> s->sps->log2_min_pu_size; - yB1_pu = yB1 >> s->sps->log2_min_pu_size; - is_available_b1 = AVAILABLE(cand_up, B1); if (!singleMCLFlag && part_idx == 1 && @@ -445,60 +397,26 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0, if (is_available_a1 && is_available_b1) check_MER = !COMPARE_MV_REFIDX(B1, A1); - if (is_available_b1 && check_MER) { - available_b1_flag = 1; - spatialCMVS[1] = TAB_MVF_PU(B1); - } else { - available_b1_flag = 0; - spatialCMVS[1].ref_idx[0] = -1; - spatialCMVS[1].ref_idx[1] = -1; - spatialCMVS[1].mv[0].x = 0; - spatialCMVS[1].mv[0].y = 0; - spatialCMVS[1].mv[1].x = 0; - spatialCMVS[1].mv[1].y = 0; - spatialCMVS[1].pred_flag[0] = 0; - spatialCMVS[1].pred_flag[1] = 0; - spatialCMVS[1].is_intra = 0; - } + if (is_available_b1 && check_MER) + mergecandlist[nb_merge_cand++] = TAB_MVF_PU(B1); // above right spatial merge candidate - xB0 = x0 + nPbW; - yB0 = y0 - 1; check_MER = 1; - xB0_pu = xB0 >> s->sps->log2_min_pu_size; - yB0_pu = yB0 >> s->sps->log2_min_pu_size; check_B0 = PRED_BLOCK_AVAILABLE(B0); - isAvailableB0 = check_B0 && AVAILABLE(cand_up_right, B0); + is_available_b0 = check_B0 && AVAILABLE(cand_up_right, B0); if (isDiffMER(s, xB0, yB0, x0, y0)) - isAvailableB0 = 0; + is_available_b0 = 0; - if (is_available_b1 && isAvailableB0) + if (is_available_b1 && is_available_b0) check_MER = !COMPARE_MV_REFIDX(B0, B1); - if (isAvailableB0 && check_MER) { - available_b0_flag = 1; - spatialCMVS[2] = TAB_MVF_PU(B0); - } else { - available_b0_flag = 0; - spatialCMVS[2].ref_idx[0] = -1; - spatialCMVS[2].ref_idx[1] = -1; - spatialCMVS[2].mv[0].x = 0; - spatialCMVS[2].mv[0].y = 0; - spatialCMVS[2].mv[1].x = 0; - spatialCMVS[2].mv[1].y = 0; - spatialCMVS[2].pred_flag[0] = 0; - spatialCMVS[2].pred_flag[1] = 0; - spatialCMVS[2].is_intra = 0; - } + if (is_available_b0 && check_MER) + mergecandlist[nb_merge_cand++] = TAB_MVF_PU(B0); // left bottom spatial merge candidate - xA0 = x0 - 1; - yA0 = y0 + nPbH; check_MER = 1; - xA0_pu = xA0 >> s->sps->log2_min_pu_size; - yA0_pu = yA0 >> s->sps->log2_min_pu_size; check_A0 = PRED_BLOCK_AVAILABLE(A0); is_available_a0 = check_A0 && AVAILABLE(cand_bottom_left, A0); @@ -509,190 +427,99 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0, if (is_available_a1 && is_available_a0) check_MER = !COMPARE_MV_REFIDX(A0, A1); - if (is_available_a0 && check_MER) { - available_a0_flag = 1; - spatialCMVS[3] = TAB_MVF_PU(A0); - } else { - available_a0_flag = 0; - spatialCMVS[3].ref_idx[0] = -1; - spatialCMVS[3].ref_idx[1] = -1; - spatialCMVS[3].mv[0].x = 0; - spatialCMVS[3].mv[0].y = 0; - spatialCMVS[3].mv[1].x = 0; - spatialCMVS[3].mv[1].y = 0; - spatialCMVS[3].pred_flag[0] = 0; - spatialCMVS[3].pred_flag[1] = 0; - spatialCMVS[3].is_intra = 0; - } + if (is_available_a0 && check_MER) + mergecandlist[nb_merge_cand++] = TAB_MVF_PU(A0); // above left spatial merge candidate - xB2 = x0 - 1; - yB2 = y0 - 1; check_MER = 1; - xB2_pu = xB2 >> s->sps->log2_min_pu_size; - yB2_pu = yB2 >> s->sps->log2_min_pu_size; - isAvailableB2 = AVAILABLE(cand_up_left, B2); + is_available_b2 = AVAILABLE(cand_up_left, B2); if (isDiffMER(s, xB2, yB2, x0, y0)) - isAvailableB2 = 0; + is_available_b2 = 0; - if (is_available_a1 && isAvailableB2) + if (is_available_a1 && is_available_b2) check_MER = !COMPARE_MV_REFIDX(B2, A1); - if (is_available_b1 && isAvailableB2) + if (is_available_b1 && is_available_b2) check_MER_1 = !COMPARE_MV_REFIDX(B2, B1); - sumcandidates = available_a1_flag + available_b1_flag + available_b0_flag - + available_a0_flag; - - if (isAvailableB2 && check_MER && check_MER_1 && sumcandidates != 4) { - available_b2_flag = 1; - spatialCMVS[4] = TAB_MVF_PU(B2); - } else { - available_b2_flag = 0; - spatialCMVS[4].ref_idx[0] = -1; - spatialCMVS[4].ref_idx[1] = -1; - spatialCMVS[4].mv[0].x = 0; - spatialCMVS[4].mv[0].y = 0; - spatialCMVS[4].mv[1].x = 0; - spatialCMVS[4].mv[1].y = 0; - spatialCMVS[4].pred_flag[0] = 0; - spatialCMVS[4].pred_flag[1] = 0; - spatialCMVS[4].is_intra = 0; - } + if (is_available_b2 && check_MER && check_MER_1 && nb_merge_cand != 4) + mergecandlist[nb_merge_cand++] = TAB_MVF_PU(B2); // temporal motion vector candidate - // one optimization is that do temporal checking only if the number of - // available candidates < MRG_MAX_NUM_CANDS - if (s->sh.slice_temporal_mvp_enabled_flag == 0) { - availableFlagLXCol = 0; - } else { - availableFlagL0Col = temporal_luma_motion_vector(s, x0, y0, nPbW, nPbH, - refIdxL0Col, &mvL0Col, 0); - // one optimization is that l1 check can be done only when the current slice type is B_SLICE - if (s->sh.slice_type == B_SLICE) { - availableFlagL1Col = temporal_luma_motion_vector(s, x0, y0, nPbW, - nPbH, refIdxL1Col, &mvL1Col, 1); - } - availableFlagLXCol = availableFlagL0Col || availableFlagL1Col; - if (availableFlagLXCol) { - TMVPCand.is_intra = 0; - TMVPCand.pred_flag[0] = availableFlagL0Col; - TMVPCand.pred_flag[1] = availableFlagL1Col; - if (TMVPCand.pred_flag[0]) { - TMVPCand.mv[0] = mvL0Col; - TMVPCand.ref_idx[0] = refIdxL0Col; + if (s->sh.slice_temporal_mvp_enabled_flag && + nb_merge_cand < s->sh.max_num_merge_cand) { + Mv mv_l0_col, mv_l1_col; + int available_l0 = temporal_luma_motion_vector(s, x0, y0, nPbW, nPbH, + 0, &mv_l0_col, 0); + int available_l1 = (s->sh.slice_type == B_SLICE) ? + temporal_luma_motion_vector(s, x0, y0, nPbW, nPbH, + 0, &mv_l1_col, 1) : 0; + + if (available_l0 || available_l1) { + mergecandlist[nb_merge_cand].is_intra = 0; + mergecandlist[nb_merge_cand].pred_flag[0] = available_l0; + mergecandlist[nb_merge_cand].pred_flag[1] = available_l1; + if (available_l0) { + mergecandlist[nb_merge_cand].mv[0] = mv_l0_col; + mergecandlist[nb_merge_cand].ref_idx[0] = 0; } - if (TMVPCand.pred_flag[1]) { - TMVPCand.mv[1] = mvL1Col; - TMVPCand.ref_idx[1] = refIdxL1Col; + if (available_l1) { + mergecandlist[nb_merge_cand].mv[1] = mv_l1_col; + mergecandlist[nb_merge_cand].ref_idx[1] = 0; } + nb_merge_cand++; } } - if (available_a1_flag) { - mergecandlist[mergearray_index] = spatialCMVS[0]; - mergearray_index++; - } - if (available_b1_flag) { - mergecandlist[mergearray_index] = spatialCMVS[1]; - mergearray_index++; - } - if (available_b0_flag) { - mergecandlist[mergearray_index] = spatialCMVS[2]; - mergearray_index++; - } - if (available_a0_flag) { - mergecandlist[mergearray_index] = spatialCMVS[3]; - mergearray_index++; - } - if (available_b2_flag) { - mergecandlist[mergearray_index] = spatialCMVS[4]; - mergearray_index++; - } - if (availableFlagLXCol && mergearray_index < s->sh.max_num_merge_cand) { - mergecandlist[mergearray_index] = TMVPCand; - mergearray_index++; - } - numMergeCand = mergearray_index; - numOrigMergeCand = mergearray_index; + nb_orig_merge_cand = nb_merge_cand; // combined bi-predictive merge candidates (applies for B slices) - if (s->sh.slice_type == B_SLICE) { - if (numOrigMergeCand > 1 && - numOrigMergeCand < s->sh.max_num_merge_cand) { - - combIdx = 0; - combStop = 0; - while (combStop != 1) { - MvField l0Cand; - MvField l1Cand; - l0CandIdx = l0_l1_cand_idx[combIdx][0]; - l1CandIdx = l0_l1_cand_idx[combIdx][1]; - l0Cand = mergecandlist[l0CandIdx]; - l1Cand = mergecandlist[l1CandIdx]; - if (l0Cand.pred_flag[0] == 1 && - l1Cand.pred_flag[1] == 1 && - (refPicList[0].list[l0Cand.ref_idx[0]] != - refPicList[1].list[l1Cand.ref_idx[1]] || - l0Cand.mv[0].x != l1Cand.mv[1].x || - l0Cand.mv[0].y != l1Cand.mv[1].y)) { - combCand.ref_idx[0] = l0Cand.ref_idx[0]; - combCand.ref_idx[1] = l1Cand.ref_idx[1]; - combCand.pred_flag[0] = 1; - combCand.pred_flag[1] = 1; - combCand.mv[0].x = l0Cand.mv[0].x; - combCand.mv[0].y = l0Cand.mv[0].y; - combCand.mv[1].x = l1Cand.mv[1].x; - combCand.mv[1].y = l1Cand.mv[1].y; - combCand.is_intra = 0; - mergecandlist[numMergeCand] = combCand; - numMergeCand++; - } - combIdx++; - if (combIdx == numOrigMergeCand * (numOrigMergeCand - 1) || - numMergeCand == s->sh.max_num_merge_cand) - combStop = 1; + if (s->sh.slice_type == B_SLICE && nb_orig_merge_cand > 1 && + nb_orig_merge_cand < s->sh.max_num_merge_cand) { + int comb_idx = 0; + + for (comb_idx = 0; nb_merge_cand < s->sh.max_num_merge_cand && + comb_idx < nb_orig_merge_cand * (nb_orig_merge_cand - 1); comb_idx++) { + int l0_cand_idx = l0_l1_cand_idx[comb_idx][0]; + int l1_cand_idx = l0_l1_cand_idx[comb_idx][1]; + MvField l0_cand = mergecandlist[l0_cand_idx]; + MvField l1_cand = mergecandlist[l1_cand_idx]; + + if (l0_cand.pred_flag[0] && l1_cand.pred_flag[1] && + (refPicList[0].list[l0_cand.ref_idx[0]] != + refPicList[1].list[l1_cand.ref_idx[1]] || + l0_cand.mv[0].x != l1_cand.mv[1].x || + l0_cand.mv[0].y != l1_cand.mv[1].y)) { + mergecandlist[nb_merge_cand].ref_idx[0] = l0_cand.ref_idx[0]; + mergecandlist[nb_merge_cand].ref_idx[1] = l1_cand.ref_idx[1]; + mergecandlist[nb_merge_cand].pred_flag[0] = 1; + mergecandlist[nb_merge_cand].pred_flag[1] = 1; + mergecandlist[nb_merge_cand].mv[0].x = l0_cand.mv[0].x; + mergecandlist[nb_merge_cand].mv[0].y = l0_cand.mv[0].y; + mergecandlist[nb_merge_cand].mv[1].x = l1_cand.mv[1].x; + mergecandlist[nb_merge_cand].mv[1].y = l1_cand.mv[1].y; + mergecandlist[nb_merge_cand].is_intra = 0; + nb_merge_cand++; } } } - /* - * append Zero motion vector candidates - */ - if (s->sh.slice_type == P_SLICE) { - numRefIdx = s->sh.nb_refs[0]; - } else if (s->sh.slice_type == B_SLICE) { - numRefIdx = FFMIN(s->sh.nb_refs[0], - s->sh.nb_refs[1]); - } - while (numMergeCand < s->sh.max_num_merge_cand) { - if (s->sh.slice_type == P_SLICE) { - zerovector.ref_idx[0] = (zeroIdx < numRefIdx) ? zeroIdx : 0; - zerovector.ref_idx[1] = -1; - zerovector.pred_flag[0] = 1; - zerovector.pred_flag[1] = 0; - zerovector.mv[0].x = 0; - zerovector.mv[0].y = 0; - zerovector.mv[1].x = 0; - zerovector.mv[1].y = 0; - zerovector.is_intra = 0; - } else { - zerovector.ref_idx[0] = (zeroIdx < numRefIdx) ? zeroIdx : 0; - zerovector.ref_idx[1] = (zeroIdx < numRefIdx) ? zeroIdx : 0; - zerovector.pred_flag[0] = 1; - zerovector.pred_flag[1] = 1; - zerovector.mv[0].x = 0; - zerovector.mv[0].y = 0; - zerovector.mv[1].x = 0; - zerovector.mv[1].y = 0; - zerovector.is_intra = 0; - } + // append Zero motion vector candidates + while (nb_merge_cand < s->sh.max_num_merge_cand) { + mergecandlist[nb_merge_cand].pred_flag[0] = 1; + mergecandlist[nb_merge_cand].pred_flag[1] = s->sh.slice_type == B_SLICE; + mergecandlist[nb_merge_cand].mv[0].x = 0; + mergecandlist[nb_merge_cand].mv[0].y = 0; + mergecandlist[nb_merge_cand].mv[1].x = 0; + mergecandlist[nb_merge_cand].mv[1].y = 0; + mergecandlist[nb_merge_cand].is_intra = 0; + mergecandlist[nb_merge_cand].ref_idx[0] = (zero_idx < nb_refs) ? zero_idx : 0; + mergecandlist[nb_merge_cand].ref_idx[1] = (zero_idx < nb_refs) ? zero_idx : 0; - mergecandlist[numMergeCand] = zerovector; - numMergeCand++; - zeroIdx++; + nb_merge_cand++; + zero_idx++; } } @@ -800,7 +627,6 @@ void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0, int nPbW, int isScaledFlag_L0 = 0; int availableFlagLXA0 = 0; int availableFlagLXB0 = 0; - int availableFlagLXCol = 0; int numMVPCandLX = 0; int min_pu_width = s->sps->min_pu_width; @@ -826,7 +652,6 @@ void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0, int nPbW, Mv mvpcand_list[2] = { { 0 } }; Mv mxA = { 0 }; Mv mxB = { 0 }; - Mv mvLXCol = { 0 }; int ref_idx_curr = 0; int ref_idx = 0; int pred_flag_index_l0; @@ -965,43 +790,24 @@ void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0, int nPbW, } } - if (availableFlagLXA0 && availableFlagLXB0 && - (mxA.x != mxB.x || mxA.y != mxB.y)) { - availableFlagLXCol = 0; - } else { - //temporal motion vector prediction candidate - if (s->sh.slice_temporal_mvp_enabled_flag == 0) { - availableFlagLXCol = 0; - } else { - availableFlagLXCol = temporal_luma_motion_vector(s, x0, y0, nPbW, - nPbH, ref_idx, &mvLXCol, LX); - } - } - - if (availableFlagLXA0) { - mvpcand_list[numMVPCandLX] = mxA; - numMVPCandLX++; - } - if (availableFlagLXB0) { - mvpcand_list[numMVPCandLX] = mxB; - numMVPCandLX++; - } + if (availableFlagLXA0) + mvpcand_list[numMVPCandLX++] = mxA; - if (availableFlagLXA0 && availableFlagLXB0 && - mxA.x == mxB.x && mxA.y == mxB.y) { - numMVPCandLX--; - } + if (availableFlagLXB0 && (!availableFlagLXA0 || mxA.x != mxB.x || mxA.y != mxB.y)) + mvpcand_list[numMVPCandLX++] = mxB; - if (availableFlagLXCol && numMVPCandLX < 2) { - mvpcand_list[numMVPCandLX] = mvLXCol; - numMVPCandLX++; + //temporal motion vector prediction candidate + if (numMVPCandLX < 2 && s->sh.slice_temporal_mvp_enabled_flag) { + Mv mv_col; + int available_col = temporal_luma_motion_vector(s, x0, y0, nPbW, + nPbH, ref_idx, &mv_col, LX); + if (available_col) + mvpcand_list[numMVPCandLX++] = mv_col; } - while (numMVPCandLX < 2) { // insert zero motion vectors when the number of available candidates are less than 2 - mvpcand_list[numMVPCandLX].x = 0; - mvpcand_list[numMVPCandLX].y = 0; - numMVPCandLX++; - } + // insert zero motion vectors when the number of available candidates are less than 2 + while (numMVPCandLX < 2) + mvpcand_list[numMVPCandLX++] = (Mv){ 0, 0 }; mv->mv[LX].x = mvpcand_list[mvp_lx_flag].x; mv->mv[LX].y = mvpcand_list[mvp_lx_flag].y; |