static void set_rt_speed_feature(VP9_COMMON *cm, SPEED_FEATURES *sf,
                                 int speed) {
  sf->static_segmentation = 0;
  sf->adaptive_rd_thresh = 1;
  sf->encode_breakout_thresh = 1;
  sf->use_fast_coef_costing = 1;

  if (speed == 1) {
    sf->use_square_partition_only = !frame_is_intra_only(cm);
    sf->less_rectangular_check = 1;
    sf->tx_size_search_method = frame_is_intra_only(cm) ? USE_FULL_RD
                                                        : USE_LARGESTALL;

    if (MIN(cm->width, cm->height) >= 720)
      sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
                                              : DISABLE_ALL_INTER_SPLIT;
    else
      sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;

    sf->use_rd_breakout = 1;
    sf->adaptive_motion_search = 1;
    sf->adaptive_pred_interp_filter = 1;
    sf->auto_mv_step_size = 1;
    sf->adaptive_rd_thresh = 2;
    sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V;
    sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V;
    sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;
    sf->encode_breakout_thresh = 8;
  }

  if (speed >= 2) {
    sf->use_square_partition_only = !frame_is_intra_only(cm);
    sf->less_rectangular_check = 1;
    sf->tx_size_search_method = frame_is_intra_only(cm) ? USE_FULL_RD
                                                        : USE_LARGESTALL;
    if (MIN(cm->width, cm->height) >= 720)
      sf->disable_split_mask = cm->show_frame ?
        DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT;
    else
      sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY;

    sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH |
                                 FLAG_SKIP_INTRA_BESTINTER |
                                 FLAG_SKIP_COMP_BESTINTRA |
                                 FLAG_SKIP_INTRA_LOWVAR;
    sf->use_rd_breakout = 1;
    sf->adaptive_motion_search = 1;
    sf->adaptive_pred_interp_filter = 2;
    sf->auto_mv_step_size = 1;
    sf->reference_masking = 1;

    sf->disable_filter_search_var_thresh = 50;
    sf->comp_inter_joint_search_thresh = BLOCK_SIZES;

    sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX;
    sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_LOW_MOTION;
    sf->adjust_partitioning_from_last_frame = 1;
    sf->last_partitioning_redo_frequency = 3;

    sf->adaptive_rd_thresh = 2;
    sf->use_lp32x32fdct = 1;
    sf->mode_skip_start = 11;
    sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V;
    sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V;
    sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V;
    sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;
    sf->encode_breakout_thresh = 200;
  }

  if (speed >= 3) {
    sf->use_square_partition_only = 1;
    sf->disable_filter_search_var_thresh = 100;
    sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL;
    sf->constrain_copy_partition = 1;
    sf->use_uv_intra_rd_estimate = 1;
    sf->skip_encode_sb = 1;
    sf->subpel_iters_per_step = 1;
    sf->use_fast_coef_updates = ONE_LOOP_REDUCED;
    sf->adaptive_rd_thresh = 4;
    sf->mode_skip_start = 6;
    sf->allow_skip_recode = 0;
    sf->optimize_coefficients = 0;
    sf->disable_split_mask = DISABLE_ALL_SPLIT;
    sf->lpf_pick = LPF_PICK_FROM_Q;
    sf->encode_breakout_thresh = 700;
  }

  if (speed >= 4) {
    int i;
    sf->last_partitioning_redo_frequency = 4;
    sf->adaptive_rd_thresh = 5;
    sf->use_fast_coef_costing = 0;
    sf->auto_min_max_partition_size = STRICT_NEIGHBORING_MIN_MAX;
    sf->adjust_partitioning_from_last_frame =
        cm->last_frame_type != cm->frame_type || (0 ==
        (cm->current_video_frame + 1) % sf->last_partitioning_redo_frequency);
    sf->subpel_force_stop = 1;
    for (i = 0; i < TX_SIZES; i++) {
      sf->intra_y_mode_mask[i] = INTRA_DC_H_V;
      sf->intra_uv_mode_mask[i] = INTRA_DC_ONLY;
    }
    sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_ONLY;
    sf->frame_parameter_update = 0;
    sf->encode_breakout_thresh = 1000;
    sf->search_method = FAST_HEX;
    sf->disable_inter_mode_mask[BLOCK_32X32] = 1 << INTER_OFFSET(ZEROMV);
    sf->disable_inter_mode_mask[BLOCK_32X64] = ~(1 << INTER_OFFSET(NEARESTMV));
    sf->disable_inter_mode_mask[BLOCK_64X32] = ~(1 << INTER_OFFSET(NEARESTMV));
    sf->disable_inter_mode_mask[BLOCK_64X64] = ~(1 << INTER_OFFSET(NEARESTMV));
    sf->max_intra_bsize = BLOCK_32X32;
    sf->allow_skip_recode = 1;
  }

  if (speed >= 5) {
    sf->max_partition_size = BLOCK_32X32;
    sf->min_partition_size = BLOCK_8X8;
    sf->partition_check =
        (cm->current_video_frame % sf->last_partitioning_redo_frequency == 1);
    sf->force_frame_boost = cm->frame_type == KEY_FRAME ||
        (cm->current_video_frame %
            (sf->last_partitioning_redo_frequency << 1) == 1);
    sf->max_delta_qindex = (cm->frame_type == KEY_FRAME) ? 20 : 15;
    sf->partition_search_type = REFERENCE_PARTITION;
    sf->use_nonrd_pick_mode = 1;
    sf->search_method = FAST_DIAMOND;
    sf->allow_skip_recode = 0;
  }

  if (speed >= 6) {
    // Adaptively switch between SOURCE_VAR_BASED_PARTITION and FIXED_PARTITION.
    sf->partition_search_type = SOURCE_VAR_BASED_PARTITION;
    sf->search_type_check_frequency = 50;
    sf->source_var_thresh = 360;

    sf->use_nonrd_pick_mode = 1;
    sf->search_method = FAST_DIAMOND;
  }

  if (speed >= 7) {
    int i;
    for (i = 0; i < BLOCK_SIZES; ++i)
      sf->disable_inter_mode_mask[i] = ~(1 << INTER_OFFSET(NEARESTMV));
  }
}
/* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)] = {
  -DC_PRED, 2,                      /* 0 = DC_NODE */
  -TM_PRED, 4,                      /* 1 = TM_NODE */
  -V_PRED, 6,                       /* 2 = V_NODE */
  8, 12,                            /* 3 = COM_NODE */
  -H_PRED, 10,                      /* 4 = H_NODE */
  -D135_PRED, -D117_PRED,           /* 5 = D135_NODE */
  -D45_PRED, 14,                    /* 6 = D45_NODE */
  -D63_PRED, 16,                    /* 7 = D63_NODE */
  -D153_PRED, -D207_PRED             /* 8 = D153_NODE */
};
struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];

const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)] = {
  -INTER_OFFSET(ZEROMV), 2,
  -INTER_OFFSET(NEARESTMV), 4,
  -INTER_OFFSET(NEARMV), -INTER_OFFSET(NEWMV)
};
struct vp9_token vp9_inter_mode_encodings[INTER_MODES];

const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)] = {
  -PARTITION_NONE, 2,
  -PARTITION_HORZ, 4,
  -PARTITION_VERT, -PARTITION_SPLIT
};
struct vp9_token vp9_partition_encodings[PARTITION_TYPES];

static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = {
  9, 102, 187, 225
};
Exemplo n.º 3
0
static void write_inter_mode(vpx_writer *w, PREDICTION_MODE mode,
                             const vpx_prob *probs) {
  assert(is_inter_mode(mode));
  vp9_write_token(w, vp9_inter_mode_tree, probs,
                  &inter_mode_encodings[INTER_OFFSET(mode)]);
}