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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>
This commit is contained in:
Mickaël Raulet
Michael Niedermayer
parent
2707cca78f
commit
c1882e801d
@ -235,11 +235,10 @@ static int derive_temporal_colocated_mvs(HEVCContext *s, MvField temp_col,
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#define TAB_MVF_PU(v) \
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TAB_MVF(x##v##_pu, y##v##_pu)
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#define DERIVE_TEMPORAL_COLOCATED_MVS(v) \
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#define DERIVE_TEMPORAL_COLOCATED_MVS \
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derive_temporal_colocated_mvs(s, temp_col, \
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refIdxLx, mvLXCol, X, colPic, \
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ff_hevc_get_ref_list(s, ref, \
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x##v, y##v))
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ff_hevc_get_ref_list(s, ref, x, y))
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/*
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* 8.5.3.1.7 temporal luma motion vector prediction
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@ -250,13 +249,9 @@ static int temporal_luma_motion_vector(HEVCContext *s, int x0, int y0,
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{
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MvField *tab_mvf;
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MvField temp_col;
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int xPRb, yPRb;
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int xPRb_pu;
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int yPRb_pu;
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int xPCtr, yPCtr;
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int xPCtr_pu;
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int yPCtr_pu;
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int min_pu_width = s->sps->width >> s->sps->log2_min_pu_size;
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int x, y;
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int x_pu, y_pu;
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int min_pu_width = s->sps->min_pu_width;
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int availableFlagLXCol = 0;
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int colPic;
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@ -269,37 +264,33 @@ static int temporal_luma_motion_vector(HEVCContext *s, int x0, int y0,
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colPic = ref->poc;
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//bottom right collocated motion vector
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xPRb = x0 + nPbW;
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yPRb = y0 + nPbH;
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x = x0 + nPbW;
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y = y0 + nPbH;
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if (s->threads_type == FF_THREAD_FRAME )
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ff_thread_await_progress(&ref->tf, INT_MAX, 0);
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if (tab_mvf &&
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y0 >> s->sps->log2_ctb_size == yPRb >> s->sps->log2_ctb_size &&
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yPRb < s->sps->height &&
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xPRb < s->sps->width) {
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xPRb = ((xPRb >> 4) << 4);
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yPRb = ((yPRb >> 4) << 4);
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xPRb_pu = xPRb >> s->sps->log2_min_pu_size;
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yPRb_pu = yPRb >> s->sps->log2_min_pu_size;
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temp_col = TAB_MVF_PU(PRb);
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availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS(PRb);
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} else {
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mvLXCol->x = 0;
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mvLXCol->y = 0;
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availableFlagLXCol = 0;
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(y0 >> s->sps->log2_ctb_size) == (y >> s->sps->log2_ctb_size) &&
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y < s->sps->height &&
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x < s->sps->width) {
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x = ((x >> 4) << 4);
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y = ((y >> 4) << 4);
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x_pu = x >> s->sps->log2_min_pu_size;
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y_pu = y >> s->sps->log2_min_pu_size;
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temp_col = TAB_MVF(x_pu, y_pu);
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availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS;
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}
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// derive center collocated motion vector
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if (tab_mvf && availableFlagLXCol == 0) {
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xPCtr = x0 + (nPbW >> 1);
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yPCtr = y0 + (nPbH >> 1);
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xPCtr = ((xPCtr >> 4) << 4);
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yPCtr = ((yPCtr >> 4) << 4);
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xPCtr_pu = xPCtr >> s->sps->log2_min_pu_size;
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yPCtr_pu = yPCtr >> s->sps->log2_min_pu_size;
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temp_col = TAB_MVF_PU(PCtr);
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availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS(PCtr);
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if (tab_mvf && !availableFlagLXCol) {
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x = x0 + (nPbW >> 1);
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y = y0 + (nPbH >> 1);
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x = ((x >> 4) << 4);
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y = ((y >> 4) << 4);
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x_pu = x >> s->sps->log2_min_pu_size;
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y_pu = y >> s->sps->log2_min_pu_size;
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temp_col = TAB_MVF(x_pu, y_pu);
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availableFlagLXCol = DERIVE_TEMPORAL_COLOCATED_MVS;
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}
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return availableFlagLXCol;
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}
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@ -323,82 +314,62 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0,
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int singleMCLFlag, int part_idx,
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struct MvField mergecandlist[])
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{
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HEVCLocalContext *lc = s->HEVClc;
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HEVCLocalContext *lc = s->HEVClc;
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RefPicList *refPicList = s->ref->refPicList;
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MvField *tab_mvf = s->ref->tab_mvf;
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MvField *tab_mvf = s->ref->tab_mvf;
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int available_a1_flag = 0;
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int available_b1_flag = 0;
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int available_b0_flag = 0;
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int available_a0_flag = 0;
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int available_b2_flag = 0;
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struct MvField spatialCMVS[MRG_MAX_NUM_CANDS];
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struct MvField combCand = { { { 0 } } };
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struct MvField TMVPCand = { { { 0 } } };
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struct Mv mvL0Col = { 0 };
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struct Mv mvL1Col = { 0 };
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const int min_pu_width = s->sps->min_pu_width;
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//first left spatial merge candidate
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int xA1 = x0 - 1;
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int yA1 = y0 + nPbH - 1;
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int is_available_a1;
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int min_pu_width = s->sps->width >> s->sps->log2_min_pu_size;
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const int cand_bottom_left = lc->na.cand_bottom_left;
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const int cand_left = lc->na.cand_left;
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const int cand_up_left = lc->na.cand_up_left;
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const int cand_up = lc->na.cand_up;
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const int cand_up_right = lc->na.cand_up_right_sap;
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int check_MER = 1;
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const int xA1 = x0 - 1;
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const int yA1 = y0 + nPbH - 1;
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const int xA1_pu = xA1 >> s->sps->log2_min_pu_size;
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const int yA1_pu = yA1 >> s->sps->log2_min_pu_size;
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const int xB1 = x0 + nPbW - 1;
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const int yB1 = y0 - 1;
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const int xB1_pu = xB1 >> s->sps->log2_min_pu_size;
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const int yB1_pu = yB1 >> s->sps->log2_min_pu_size;
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const int xB0 = x0 + nPbW;
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const int yB0 = y0 - 1;
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const int xB0_pu = xB0 >> s->sps->log2_min_pu_size;
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const int yB0_pu = yB0 >> s->sps->log2_min_pu_size;
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const int xA0 = x0 - 1;
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const int yA0 = y0 + nPbH;
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const int xA0_pu = xA0 >> s->sps->log2_min_pu_size;
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const int yA0_pu = yA0 >> s->sps->log2_min_pu_size;
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const int xB2 = x0 - 1;
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const int yB2 = y0 - 1;
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const int xB2_pu = xB2 >> s->sps->log2_min_pu_size;
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const int yB2_pu = yB2 >> s->sps->log2_min_pu_size;
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const int nb_refs = (s->sh.slice_type == P_SLICE) ?
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s->sh.nb_refs[0] : FFMIN(s->sh.nb_refs[0], s->sh.nb_refs[1]);
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int check_MER = 1;
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int check_MER_1 = 1;
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int xB1, yB1;
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int is_available_b1;
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int xB1_pu;
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int yB1_pu;
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int zero_idx = 0;
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int check_B0;
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int xB0, yB0;
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int isAvailableB0;
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int xB0_pu;
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int yB0_pu;
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int nb_merge_cand = 0;
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int nb_orig_merge_cand = 0;
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int check_A0;
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int xA0, yA0;
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int is_available_a0;
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int xA0_pu;
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int yA0_pu;
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int xB2, yB2;
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int isAvailableB2;
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int xB2_pu;
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int yB2_pu;
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int mergearray_index = 0;
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struct MvField zerovector;
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int numRefIdx = 0;
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int zeroIdx = 0;
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int numMergeCand = 0;
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int numOrigMergeCand = 0;
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int sumcandidates = 0;
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int combIdx = 0;
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int combStop = 0;
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int l0CandIdx = 0;
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int l1CandIdx = 0;
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int refIdxL0Col = 0;
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int refIdxL1Col = 0;
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int availableFlagLXCol = 0;
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int cand_bottom_left = lc->na.cand_bottom_left;
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int cand_left = lc->na.cand_left;
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int cand_up_left = lc->na.cand_up_left;
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int cand_up = lc->na.cand_up;
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int cand_up_right = lc->na.cand_up_right_sap;
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int xA1_pu = xA1 >> s->sps->log2_min_pu_size;
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int yA1_pu = yA1 >> s->sps->log2_min_pu_size;
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int availableFlagL0Col = 0;
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int availableFlagL1Col = 0;
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int is_available_a1;
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int is_available_b0;
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int is_available_b1;
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int is_available_b2;
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int check_B0;
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int check_A0;
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//first left spatial merge candidate
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is_available_a1 = AVAILABLE(cand_left, A1);
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if (!singleMCLFlag && part_idx == 1 &&
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@ -409,29 +380,10 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0,
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is_available_a1 = 0;
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}
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if (is_available_a1) {
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available_a1_flag = 1;
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spatialCMVS[0] = TAB_MVF_PU(A1);
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} else {
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available_a1_flag = 0;
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spatialCMVS[0].ref_idx[0] = -1;
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spatialCMVS[0].ref_idx[1] = -1;
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spatialCMVS[0].mv[0].x = 0;
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spatialCMVS[0].mv[0].y = 0;
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spatialCMVS[0].mv[1].x = 0;
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spatialCMVS[0].mv[1].y = 0;
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spatialCMVS[0].pred_flag[0] = 0;
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spatialCMVS[0].pred_flag[1] = 0;
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spatialCMVS[0].is_intra = 0;
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}
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if (is_available_a1)
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mergecandlist[nb_merge_cand++] = TAB_MVF_PU(A1);
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// above spatial merge candidate
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xB1 = x0 + nPbW - 1;
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yB1 = y0 - 1;
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xB1_pu = xB1 >> s->sps->log2_min_pu_size;
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yB1_pu = yB1 >> s->sps->log2_min_pu_size;
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is_available_b1 = AVAILABLE(cand_up, B1);
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if (!singleMCLFlag && part_idx == 1 &&
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@ -445,60 +397,26 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0,
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if (is_available_a1 && is_available_b1)
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check_MER = !COMPARE_MV_REFIDX(B1, A1);
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if (is_available_b1 && check_MER) {
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available_b1_flag = 1;
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spatialCMVS[1] = TAB_MVF_PU(B1);
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} else {
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available_b1_flag = 0;
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spatialCMVS[1].ref_idx[0] = -1;
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spatialCMVS[1].ref_idx[1] = -1;
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spatialCMVS[1].mv[0].x = 0;
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spatialCMVS[1].mv[0].y = 0;
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spatialCMVS[1].mv[1].x = 0;
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spatialCMVS[1].mv[1].y = 0;
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spatialCMVS[1].pred_flag[0] = 0;
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spatialCMVS[1].pred_flag[1] = 0;
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spatialCMVS[1].is_intra = 0;
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}
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if (is_available_b1 && check_MER)
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mergecandlist[nb_merge_cand++] = TAB_MVF_PU(B1);
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// above right spatial merge candidate
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xB0 = x0 + nPbW;
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yB0 = y0 - 1;
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check_MER = 1;
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xB0_pu = xB0 >> s->sps->log2_min_pu_size;
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yB0_pu = yB0 >> s->sps->log2_min_pu_size;
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check_B0 = PRED_BLOCK_AVAILABLE(B0);
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isAvailableB0 = check_B0 && AVAILABLE(cand_up_right, B0);
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is_available_b0 = check_B0 && AVAILABLE(cand_up_right, B0);
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if (isDiffMER(s, xB0, yB0, x0, y0))
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isAvailableB0 = 0;
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is_available_b0 = 0;
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if (is_available_b1 && isAvailableB0)
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if (is_available_b1 && is_available_b0)
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check_MER = !COMPARE_MV_REFIDX(B0, B1);
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if (isAvailableB0 && check_MER) {
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available_b0_flag = 1;
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spatialCMVS[2] = TAB_MVF_PU(B0);
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} else {
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available_b0_flag = 0;
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spatialCMVS[2].ref_idx[0] = -1;
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spatialCMVS[2].ref_idx[1] = -1;
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spatialCMVS[2].mv[0].x = 0;
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spatialCMVS[2].mv[0].y = 0;
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spatialCMVS[2].mv[1].x = 0;
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spatialCMVS[2].mv[1].y = 0;
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spatialCMVS[2].pred_flag[0] = 0;
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spatialCMVS[2].pred_flag[1] = 0;
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spatialCMVS[2].is_intra = 0;
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}
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if (is_available_b0 && check_MER)
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mergecandlist[nb_merge_cand++] = TAB_MVF_PU(B0);
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// left bottom spatial merge candidate
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xA0 = x0 - 1;
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yA0 = y0 + nPbH;
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check_MER = 1;
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xA0_pu = xA0 >> s->sps->log2_min_pu_size;
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yA0_pu = yA0 >> s->sps->log2_min_pu_size;
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check_A0 = PRED_BLOCK_AVAILABLE(A0);
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is_available_a0 = check_A0 && AVAILABLE(cand_bottom_left, A0);
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@ -509,190 +427,99 @@ static void derive_spatial_merge_candidates(HEVCContext *s, int x0, int y0,
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if (is_available_a1 && is_available_a0)
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check_MER = !COMPARE_MV_REFIDX(A0, A1);
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if (is_available_a0 && check_MER) {
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available_a0_flag = 1;
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spatialCMVS[3] = TAB_MVF_PU(A0);
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} else {
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available_a0_flag = 0;
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spatialCMVS[3].ref_idx[0] = -1;
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spatialCMVS[3].ref_idx[1] = -1;
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spatialCMVS[3].mv[0].x = 0;
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spatialCMVS[3].mv[0].y = 0;
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spatialCMVS[3].mv[1].x = 0;
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spatialCMVS[3].mv[1].y = 0;
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spatialCMVS[3].pred_flag[0] = 0;
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spatialCMVS[3].pred_flag[1] = 0;
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spatialCMVS[3].is_intra = 0;
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}
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if (is_available_a0 && check_MER)
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mergecandlist[nb_merge_cand++] = TAB_MVF_PU(A0);
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// above left spatial merge candidate
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xB2 = x0 - 1;
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yB2 = y0 - 1;
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check_MER = 1;
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xB2_pu = xB2 >> s->sps->log2_min_pu_size;
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yB2_pu = yB2 >> s->sps->log2_min_pu_size;
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isAvailableB2 = AVAILABLE(cand_up_left, B2);
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is_available_b2 = AVAILABLE(cand_up_left, B2);
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if (isDiffMER(s, xB2, yB2, x0, y0))
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isAvailableB2 = 0;
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is_available_b2 = 0;
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if (is_available_a1 && isAvailableB2)
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if (is_available_a1 && is_available_b2)
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check_MER = !COMPARE_MV_REFIDX(B2, A1);
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if (is_available_b1 && isAvailableB2)
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if (is_available_b1 && is_available_b2)
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check_MER_1 = !COMPARE_MV_REFIDX(B2, B1);
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sumcandidates = available_a1_flag + available_b1_flag + available_b0_flag
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+ available_a0_flag;
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if (isAvailableB2 && check_MER && check_MER_1 && sumcandidates != 4) {
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available_b2_flag = 1;
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spatialCMVS[4] = TAB_MVF_PU(B2);
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} else {
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available_b2_flag = 0;
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spatialCMVS[4].ref_idx[0] = -1;
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spatialCMVS[4].ref_idx[1] = -1;
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spatialCMVS[4].mv[0].x = 0;
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spatialCMVS[4].mv[0].y = 0;
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spatialCMVS[4].mv[1].x = 0;
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spatialCMVS[4].mv[1].y = 0;
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spatialCMVS[4].pred_flag[0] = 0;
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spatialCMVS[4].pred_flag[1] = 0;
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spatialCMVS[4].is_intra = 0;
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}
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if (is_available_b2 && check_MER && check_MER_1 && nb_merge_cand != 4)
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mergecandlist[nb_merge_cand++] = TAB_MVF_PU(B2);
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||||
|
||||
// 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) {
|
||||
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;
|
||||
|
||||
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;
|
||||
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;
|
||||
|
||||
if (availableFlagLXB0 && (!availableFlagLXA0 || mxA.x != mxB.x || mxA.y != mxB.y))
|
||||
mvpcand_list[numMVPCandLX++] = mxB;
|
||||
|
||||
//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;
|
||||
}
|
||||
|
||||
if (availableFlagLXA0) {
|
||||
mvpcand_list[numMVPCandLX] = mxA;
|
||||
numMVPCandLX++;
|
||||
}
|
||||
if (availableFlagLXB0) {
|
||||
mvpcand_list[numMVPCandLX] = mxB;
|
||||
numMVPCandLX++;
|
||||
}
|
||||
|
||||
if (availableFlagLXA0 && availableFlagLXB0 &&
|
||||
mxA.x == mxB.x && mxA.y == mxB.y) {
|
||||
numMVPCandLX--;
|
||||
}
|
||||
|
||||
if (availableFlagLXCol && numMVPCandLX < 2) {
|
||||
mvpcand_list[numMVPCandLX] = mvLXCol;
|
||||
numMVPCandLX++;
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user