Enable entropy coding of the dynamic motion vector referencing syntax
This commit enables entropy coding of the syntax elements used in the dynamic motion vector referencing system. Change-Id: If876c7df6402caf4b6daa3d511328da522e95233
This commit is contained in:
Родитель
c443f820b7
Коммит
8a13bbe828
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@ -243,6 +243,10 @@ static const aom_prob default_zeromv_prob[ZEROMV_MODE_CONTEXTS] = {
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static const aom_prob default_refmv_prob[REFMV_MODE_CONTEXTS] = {
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220, 220, 200, 200, 180, 128, 30, 220, 30,
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};
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static const aom_prob default_drl_prob[DRL_MODE_CONTEXTS] = {
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128, 128, 128,
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};
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#endif
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static const aom_prob
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@ -369,6 +373,8 @@ static void init_mode_probs(FRAME_CONTEXT *fc) {
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av1_copy(fc->newmv_prob, default_newmv_prob);
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av1_copy(fc->zeromv_prob, default_zeromv_prob);
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av1_copy(fc->refmv_prob, default_refmv_prob);
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av1_copy(fc->drl_prob0, default_drl_prob);
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av1_copy(fc->drl_prob1, default_drl_prob);
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#endif
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av1_copy(fc->inter_mode_probs, default_inter_mode_probs);
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#if CONFIG_MISC_FIXES
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@ -412,6 +418,12 @@ void av1_adapt_inter_frame_probs(AV1_COMMON *cm) {
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for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
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fc->refmv_prob[i] = mode_mv_merge_probs(pre_fc->refmv_prob[i],
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counts->refmv_mode[i]);
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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fc->drl_prob0[i] = mode_mv_merge_probs(pre_fc->drl_prob0[i],
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counts->drl_mode0[i]);
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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fc->drl_prob1[i] = mode_mv_merge_probs(pre_fc->drl_prob1[i],
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counts->drl_mode1[i]);
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#else
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for (i = 0; i < INTER_MODE_CONTEXTS; i++)
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aom_tree_merge_probs(av1_inter_mode_tree, pre_fc->inter_mode_probs[i],
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@ -62,6 +62,8 @@ typedef struct frame_contexts {
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aom_prob newmv_prob[NEWMV_MODE_CONTEXTS];
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aom_prob zeromv_prob[ZEROMV_MODE_CONTEXTS];
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aom_prob refmv_prob[REFMV_MODE_CONTEXTS];
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aom_prob drl_prob0[DRL_MODE_CONTEXTS];
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aom_prob drl_prob1[DRL_MODE_CONTEXTS];
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#endif
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aom_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
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@ -95,6 +97,8 @@ typedef struct FRAME_COUNTS {
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unsigned int newmv_mode[NEWMV_MODE_CONTEXTS][2];
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unsigned int zeromv_mode[ZEROMV_MODE_CONTEXTS][2];
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unsigned int refmv_mode[REFMV_MODE_CONTEXTS][2];
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unsigned int drl_mode0[DRL_MODE_CONTEXTS][2];
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unsigned int drl_mode1[DRL_MODE_CONTEXTS][2];
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#endif
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unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
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@ -135,6 +135,7 @@ typedef uint8_t PREDICTION_MODE;
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#define NEWMV_MODE_CONTEXTS 7
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#define ZEROMV_MODE_CONTEXTS 2
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#define REFMV_MODE_CONTEXTS 9
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#define DRL_MODE_CONTEXTS 3
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#define ZEROMV_OFFSET 3
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#define REFMV_OFFSET 4
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@ -156,6 +157,7 @@ typedef uint8_t PREDICTION_MODE;
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#if CONFIG_REF_MV
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#define MAX_REF_MV_STACK_SIZE 16
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#define REF_CAT_LEVEL 160
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#endif
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#define INTRA_INTER_CONTEXTS 4
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@ -318,6 +318,9 @@ static void setup_ref_mv_list(const AV1_COMMON *cm, const MACROBLOCKD *xd,
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nearest_refmv_count = *refmv_count;
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for (idx = 0; idx < nearest_refmv_count; ++idx)
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ref_mv_stack[idx].weight += REF_CAT_LEVEL;
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if (prev_frame_mvs_base && cm->show_frame && cm->last_show_frame &&
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rf[1] == NONE) {
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int ref;
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@ -351,6 +351,24 @@ static int16_t av1_mode_context_analyzer(const int16_t *const mode_context,
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else
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return mode_context[rf[0]];
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}
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static INLINE uint8_t av1_drl_ctx(const CANDIDATE_MV *ref_mv_stack,
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int ref_idx) {
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if (ref_mv_stack[ref_idx + 1].weight >= REF_CAT_LEVEL &&
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ref_mv_stack[ref_idx + 2].weight >= REF_CAT_LEVEL)
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return 0;
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if (ref_mv_stack[ref_idx + 1].weight >= REF_CAT_LEVEL &&
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ref_mv_stack[ref_idx + 2].weight < REF_CAT_LEVEL)
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return 1;
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if (ref_mv_stack[ref_idx + 1].weight < REF_CAT_LEVEL &&
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ref_mv_stack[ref_idx + 2].weight < REF_CAT_LEVEL)
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return 2;
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assert(0);
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return 0;
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}
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#endif
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typedef void (*find_mv_refs_sync)(void *const data, int mi_row);
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@ -371,6 +371,14 @@ void av1_accumulate_frame_counts(AV1_COMMON *cm, FRAME_COUNTS *counts,
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for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
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for (j = 0; j < 2; ++j)
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cm->counts.refmv_mode[i][j] += counts->refmv_mode[i][j];
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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for (j = 0; j < 2; ++j)
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cm->counts.drl_mode0[i][j] += counts->drl_mode0[i][j];
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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for (j = 0; j < 2; ++j)
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cm->counts.drl_mode1[i][j] += counts->drl_mode1[i][j];
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#endif
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for (i = 0; i < INTER_MODE_CONTEXTS; i++)
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@ -133,6 +133,10 @@ static void read_inter_mode_probs(FRAME_CONTEXT *fc, aom_reader *r) {
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av1_diff_update_prob(r, &fc->zeromv_prob[i]);
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for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
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av1_diff_update_prob(r, &fc->refmv_prob[i]);
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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av1_diff_update_prob(r, &fc->drl_prob0[i]);
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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av1_diff_update_prob(r, &fc->drl_prob1[i]);
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#else
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int j;
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for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
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@ -109,6 +109,45 @@ static PREDICTION_MODE read_inter_mode(AV1_COMMON *cm, MACROBLOCKD *xd,
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#endif
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}
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#if CONFIG_REF_MV
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static void read_drl_idx(const AV1_COMMON *cm,
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MACROBLOCKD *xd,
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MB_MODE_INFO *mbmi,
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aom_reader *r) {
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uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame);
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mbmi->ref_mv_idx = 0;
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if (xd->ref_mv_count[ref_frame_type] > 2) {
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uint8_t drl0_ctx = av1_drl_ctx(xd->ref_mv_stack[ref_frame_type], 0);
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aom_prob drl0_prob = cm->fc->drl_prob0[drl0_ctx];
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if (aom_read(r, drl0_prob)) {
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mbmi->ref_mv_idx = 1;
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if (xd->counts)
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++xd->counts->drl_mode0[drl0_ctx][1];
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if (xd->ref_mv_count[ref_frame_type] > 3) {
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uint8_t drl1_ctx =
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av1_drl_ctx(xd->ref_mv_stack[ref_frame_type], 1);
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aom_prob drl1_prob = cm->fc->drl_prob1[drl1_ctx];
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if (aom_read(r, drl1_prob)) {
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mbmi->ref_mv_idx = 2;
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if (xd->counts)
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++xd->counts->drl_mode1[drl1_ctx][1];
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return;
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}
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if (xd->counts)
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++xd->counts->drl_mode1[drl1_ctx][0];
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}
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return;
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}
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if (xd->counts)
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++xd->counts->drl_mode0[drl0_ctx][0];
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}
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}
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#endif
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static int read_segment_id(aom_reader *r,
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const struct segmentation_probs *segp) {
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return aom_read_tree(r, av1_segment_tree, segp->tree_probs);
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@ -613,17 +652,8 @@ static void read_inter_block_mode_info(AV1Decoder *const pbi,
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if (bsize >= BLOCK_8X8) {
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mbmi->mode = read_inter_mode(cm, xd, r, mode_ctx);
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#if CONFIG_REF_MV
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if (mbmi->mode == NEARMV) {
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uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame);
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if (xd->ref_mv_count[ref_frame_type] > 2) {
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if (aom_read_bit(r)) {
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mbmi->ref_mv_idx = 1;
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if (xd->ref_mv_count[ref_frame_type] > 3)
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if (aom_read_bit(r))
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mbmi->ref_mv_idx = 2;
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}
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}
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}
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if (mbmi->mode == NEARMV)
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read_drl_idx(cm, xd, mbmi, r);
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#endif
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}
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}
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@ -109,6 +109,28 @@ static void write_inter_mode(AV1_COMMON *cm,
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#endif
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}
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#if CONFIG_REF_MV
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static void write_drl_idx(const AV1_COMMON *cm,
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const MB_MODE_INFO *mbmi,
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const MB_MODE_INFO_EXT *mbmi_ext,
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aom_writer *w) {
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uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame);
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 2) {
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uint8_t drl0_ctx =
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av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], 0);
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aom_prob drl0_prob = cm->fc->drl_prob0[drl0_ctx];
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aom_write(w, mbmi->ref_mv_idx != 0, drl0_prob);
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 3 &&
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mbmi->ref_mv_idx > 0) {
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uint8_t drl1_ctx =
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av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], 1);
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aom_prob drl1_prob = cm->fc->drl_prob1[drl1_ctx];
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aom_write(w, mbmi->ref_mv_idx != 1, drl1_prob);
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}
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}
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}
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#endif
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static void encode_unsigned_max(struct aom_write_bit_buffer *wb, int data,
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int max) {
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aom_wb_write_literal(wb, data, get_unsigned_bits(max));
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@ -174,6 +196,12 @@ static void update_inter_mode_probs(AV1_COMMON *cm, aom_writer *w,
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for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
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av1_cond_prob_diff_update(w, &cm->fc->refmv_prob[i],
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counts->refmv_mode[i]);
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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av1_cond_prob_diff_update(w, &cm->fc->drl_prob0[i],
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counts->drl_mode0[i]);
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
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av1_cond_prob_diff_update(w, &cm->fc->drl_prob1[i],
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counts->drl_mode1[i]);
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}
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#endif
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@ -444,15 +472,8 @@ static void pack_inter_mode_mvs(AV1_COMP *cpi, const MODE_INFO *mi,
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if (bsize >= BLOCK_8X8) {
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write_inter_mode(cm, w, mode, mode_ctx);
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#if CONFIG_REF_MV
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if (mode == NEARMV) {
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const uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame);
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 2) {
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aom_write_bit(w, mbmi->ref_mv_idx != 0);
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 3 &&
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mbmi->ref_mv_idx > 0)
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aom_write_bit(w, mbmi->ref_mv_idx != 1);
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}
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}
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if (mode == NEARMV)
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write_drl_idx(cm, mbmi, mbmi_ext, w);
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#endif
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}
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}
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@ -1241,6 +1241,27 @@ static void update_stats(AV1_COMMON *cm, ThreadData *td) {
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mode_ctx = av1_mode_context_analyzer(mbmi_ext->mode_context,
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mbmi->ref_frame, bsize, -1);
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update_inter_mode_stats(counts, mode, mode_ctx);
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if (mode == NEARMV) {
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uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame);
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 2) {
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uint8_t drl0_ctx =
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av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], 0);
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if (mbmi->ref_mv_idx == 0)
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++counts->drl_mode0[drl0_ctx][0];
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else
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++counts->drl_mode0[drl0_ctx][1];
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 3 &&
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mbmi->ref_mv_idx > 0) {
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uint8_t drl1_ctx =
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av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], 1);
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if (mbmi->ref_mv_idx == 1)
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++counts->drl_mode1[drl1_ctx][0];
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else
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++counts->drl_mode1[drl1_ctx][1];
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}
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}
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}
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#else
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++counts->inter_mode[mode_ctx][INTER_OFFSET(mode)];
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#endif
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@ -454,6 +454,8 @@ typedef struct AV1_COMP {
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int newmv_mode_cost[NEWMV_MODE_CONTEXTS][2];
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int zeromv_mode_cost[ZEROMV_MODE_CONTEXTS][2];
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int refmv_mode_cost[REFMV_MODE_CONTEXTS][2];
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int drl_mode_cost0[DRL_MODE_CONTEXTS][2];
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int drl_mode_cost1[DRL_MODE_CONTEXTS][2];
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#endif
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int mbmode_cost[INTRA_MODES];
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@ -310,6 +310,15 @@ void av1_initialize_rd_consts(AV1_COMP *cpi) {
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cpi->refmv_mode_cost[i][0] = av1_cost_bit(cm->fc->refmv_prob[i], 0);
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cpi->refmv_mode_cost[i][1] = av1_cost_bit(cm->fc->refmv_prob[i], 1);
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}
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i) {
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cpi->drl_mode_cost0[i][0] = av1_cost_bit(cm->fc->drl_prob0[i], 0);
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cpi->drl_mode_cost0[i][1] = av1_cost_bit(cm->fc->drl_prob0[i], 1);
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}
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for (i = 0; i < DRL_MODE_CONTEXTS; ++i) {
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cpi->drl_mode_cost1[i][0] = av1_cost_bit(cm->fc->drl_prob1[i], 0);
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cpi->drl_mode_cost1[i][1] = av1_cost_bit(cm->fc->drl_prob1[i], 1);
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}
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#else
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for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
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av1_cost_tokens((int *)cpi->inter_mode_cost[i],
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@ -3265,7 +3265,10 @@ void av1_rd_pick_inter_mode_sb(AV1_COMP *cpi, TileDataEnc *tile_data,
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int64_t tmp_ref_rd = this_rd;
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int ref_idx;
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int ref_set = AOMMIN(2, mbmi_ext->ref_mv_count[ref_frame_type] - 2);
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rate2 += av1_cost_bit(128, 0);
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uint8_t drl0_ctx =
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av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], 0);
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rate2 += cpi->drl_mode_cost0[drl0_ctx][0];
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if (this_rd < INT64_MAX) {
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if (RDCOST(x->rdmult, x->rddiv,
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@ -3313,9 +3316,13 @@ void av1_rd_pick_inter_mode_sb(AV1_COMP *cpi, TileDataEnc *tile_data,
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dummy_filter_cache);
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}
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tmp_rate += av1_cost_bit(128, 1);
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 3)
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tmp_rate += av1_cost_bit(128, ref_idx);
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tmp_rate += cpi->drl_mode_cost0[drl0_ctx][1];
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if (mbmi_ext->ref_mv_count[ref_frame_type] > 3) {
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uint8_t drl1_ctx =
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av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], 1);
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tmp_rate += cpi->drl_mode_cost1[drl1_ctx][ref_idx];
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}
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if (tmp_alt_rd < INT64_MAX) {
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if (RDCOST(x->rdmult, x->rddiv,
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