diff options
Diffstat (limited to 'media/libvpx/vp9/encoder/vp9_speed_features.c')
| -rw-r--r-- | media/libvpx/vp9/encoder/vp9_speed_features.c | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/vp9_speed_features.c b/media/libvpx/vp9/encoder/vp9_speed_features.c new file mode 100644 index 000000000..4b206ba7b --- /dev/null +++ b/media/libvpx/vp9/encoder/vp9_speed_features.c @@ -0,0 +1,531 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <limits.h> + +#include "vp9/encoder/vp9_encoder.h" +#include "vp9/encoder/vp9_speed_features.h" + +// Intra only frames, golden frames (except alt ref overlays) and +// alt ref frames tend to be coded at a higher than ambient quality +static int frame_is_boosted(const VP9_COMP *cpi) { + return frame_is_kf_gf_arf(cpi) || vp9_is_upper_layer_key_frame(cpi); +} + +static void set_good_speed_feature_framesize_dependent(VP9_COMMON *cm, + SPEED_FEATURES *sf, + int speed) { + if (speed >= 1) { + if (MIN(cm->width, cm->height) >= 720) { + sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT + : DISABLE_ALL_INTER_SPLIT; + sf->partition_search_breakout_dist_thr = (1 << 23); + } else { + sf->disable_split_mask = DISABLE_COMPOUND_SPLIT; + sf->partition_search_breakout_dist_thr = (1 << 21); + } + } + + if (speed >= 2) { + if (MIN(cm->width, cm->height) >= 720) { + sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT + : DISABLE_ALL_INTER_SPLIT; + sf->adaptive_pred_interp_filter = 0; + sf->partition_search_breakout_dist_thr = (1 << 24); + sf->partition_search_breakout_rate_thr = 120; + } else { + sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY; + sf->partition_search_breakout_dist_thr = (1 << 22); + sf->partition_search_breakout_rate_thr = 100; + } + } + + if (speed >= 3) { + if (MIN(cm->width, cm->height) >= 720) { + sf->disable_split_mask = DISABLE_ALL_SPLIT; + sf->schedule_mode_search = cm->base_qindex < 220 ? 1 : 0; + sf->partition_search_breakout_dist_thr = (1 << 25); + sf->partition_search_breakout_rate_thr = 200; + } else { + sf->max_intra_bsize = BLOCK_32X32; + sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT; + sf->schedule_mode_search = cm->base_qindex < 175 ? 1 : 0; + sf->partition_search_breakout_dist_thr = (1 << 23); + sf->partition_search_breakout_rate_thr = 120; + } + } + + if (speed >= 4) { + if (MIN(cm->width, cm->height) >= 720) { + sf->partition_search_breakout_dist_thr = (1 << 26); + } else { + sf->partition_search_breakout_dist_thr = (1 << 24); + } + sf->disable_split_mask = DISABLE_ALL_SPLIT; + } +} + +// Sets a partition size down to which the auto partition code will always +// search (can go lower), based on the image dimensions. The logic here +// is that the extent to which ringing artefacts are offensive, depends +// partly on the screen area that over which they propogate. Propogation is +// limited by transform block size but the screen area take up by a given block +// size will be larger for a small image format stretched to full screen. +static BLOCK_SIZE set_partition_min_limit(VP9_COMP *cpi) { + VP9_COMMON *const cm = &cpi->common; + unsigned int screen_area = (cm->width * cm->height); + + // Select block size based on image format size. + if (screen_area < 1280 * 720) { + // Formats smaller in area than 720P + return BLOCK_4X4; + } else if (screen_area < 1920 * 1080) { + // Format >= 720P and < 1080P + return BLOCK_8X8; + } else { + // Formats 1080P and up + return BLOCK_16X16; + } +} + +static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm, + SPEED_FEATURES *sf, int speed) { + const int boosted = frame_is_boosted(cpi); + + sf->adaptive_rd_thresh = 1; + sf->allow_skip_recode = 1; + + if (speed >= 1) { + sf->use_square_partition_only = !frame_is_intra_only(cm); + sf->less_rectangular_check = 1; + + sf->use_rd_breakout = 1; + sf->adaptive_motion_search = 1; + sf->mv.auto_mv_step_size = 1; + sf->adaptive_rd_thresh = 2; + sf->mv.subpel_iters_per_step = 1; + sf->mode_skip_start = 10; + sf->adaptive_pred_interp_filter = 1; + + sf->recode_loop = ALLOW_RECODE_KFARFGF; + sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V; + sf->intra_uv_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_16X16] = INTRA_DC_H_V; + + sf->tx_size_search_breakout = 1; + sf->partition_search_breakout_rate_thr = 80; + } + + if (speed >= 2) { + sf->tx_size_search_method = frame_is_boosted(cpi) ? USE_FULL_RD + : USE_LARGESTALL; + + // Reference masking is not supported in dynamic scaling mode. + sf->reference_masking = cpi->oxcf.resize_mode != RESIZE_DYNAMIC ? 1 : 0; + + sf->mode_search_skip_flags = (cm->frame_type == KEY_FRAME) ? 0 : + FLAG_SKIP_INTRA_DIRMISMATCH | + FLAG_SKIP_INTRA_BESTINTER | + FLAG_SKIP_COMP_BESTINTRA | + FLAG_SKIP_INTRA_LOWVAR; + sf->disable_filter_search_var_thresh = 100; + sf->comp_inter_joint_search_thresh = BLOCK_SIZES; + sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX; + sf->rd_auto_partition_min_limit = set_partition_min_limit(cpi); + sf->allow_partition_search_skip = 1; + } + + if (speed >= 3) { + sf->tx_size_search_method = frame_is_intra_only(cm) ? USE_FULL_RD + : USE_LARGESTALL; + sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED; + sf->adaptive_pred_interp_filter = 0; + sf->adaptive_mode_search = 1; + sf->cb_partition_search = !boosted; + sf->cb_pred_filter_search = 1; + sf->alt_ref_search_fp = 1; + sf->recode_loop = ALLOW_RECODE_KFMAXBW; + sf->adaptive_rd_thresh = 3; + sf->mode_skip_start = 6; + sf->intra_y_mode_mask[TX_32X32] = INTRA_DC; + sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC; + sf->adaptive_interp_filter_search = 1; + } + + if (speed >= 4) { + sf->use_square_partition_only = 1; + sf->tx_size_search_method = USE_LARGESTALL; + sf->mv.search_method = BIGDIA; + sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_MORE; + sf->adaptive_rd_thresh = 4; + if (cm->frame_type != KEY_FRAME) + sf->mode_search_skip_flags |= FLAG_EARLY_TERMINATE; + sf->disable_filter_search_var_thresh = 200; + sf->use_lp32x32fdct = 1; + sf->use_fast_coef_updates = ONE_LOOP_REDUCED; + sf->use_fast_coef_costing = 1; + sf->motion_field_mode_search = !boosted; + sf->partition_search_breakout_rate_thr = 300; + } + + if (speed >= 5) { + int i; + sf->optimize_coefficients = 0; + sf->mv.search_method = HEX; + sf->disable_filter_search_var_thresh = 500; + for (i = 0; i < TX_SIZES; ++i) { + sf->intra_y_mode_mask[i] = INTRA_DC; + sf->intra_uv_mode_mask[i] = INTRA_DC; + } + sf->partition_search_breakout_rate_thr = 500; + sf->mv.reduce_first_step_size = 1; + } +} + +static void set_rt_speed_feature_framesize_dependent(VP9_COMP *cpi, + SPEED_FEATURES *sf, int speed) { + VP9_COMMON *const cm = &cpi->common; + + if (speed >= 1) { + 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; + } + } + + if (speed >= 2) { + 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; + } + } + + if (speed >= 5) { + if (MIN(cm->width, cm->height) >= 720) { + sf->partition_search_breakout_dist_thr = (1 << 25); + } else { + sf->partition_search_breakout_dist_thr = (1 << 23); + } + } + + if (speed >= 7) { + sf->encode_breakout_thresh = (MIN(cm->width, cm->height) >= 720) ? + 800 : 300; + } +} + +static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf, + int speed, vp9e_tune_content content) { + VP9_COMMON *const cm = &cpi->common; + const int is_keyframe = cm->frame_type == KEY_FRAME; + const int frames_since_key = is_keyframe ? 0 : cpi->rc.frames_since_key; + sf->static_segmentation = 0; + sf->adaptive_rd_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; + + sf->use_rd_breakout = 1; + + sf->adaptive_motion_search = 1; + sf->adaptive_pred_interp_filter = 1; + sf->mv.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; + } + + if (speed >= 2) { + sf->mode_search_skip_flags = (cm->frame_type == KEY_FRAME) ? 0 : + FLAG_SKIP_INTRA_DIRMISMATCH | + FLAG_SKIP_INTRA_BESTINTER | + FLAG_SKIP_COMP_BESTINTRA | + FLAG_SKIP_INTRA_LOWVAR; + sf->adaptive_pred_interp_filter = 2; + + // Disable reference masking if using spatial scaling since + // pred_mv_sad will not be set (since vp9_mv_pred will not + // be called). + // TODO(marpan/agrange): Fix this condition. + sf->reference_masking = (cpi->oxcf.resize_mode != RESIZE_DYNAMIC && + cpi->svc.number_spatial_layers == 1) ? 1 : 0; + + 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->lf_motion_threshold = LOW_MOTION_THRESHOLD; + sf->adjust_partitioning_from_last_frame = 1; + sf->last_partitioning_redo_frequency = 3; + sf->use_lp32x32fdct = 1; + sf->mode_skip_start = 11; + sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V; + } + + if (speed >= 3) { + sf->use_square_partition_only = 1; + sf->disable_filter_search_var_thresh = 100; + sf->use_uv_intra_rd_estimate = 1; + sf->skip_encode_sb = 1; + sf->mv.subpel_iters_per_step = 1; + 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; + } + + 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 == + (frames_since_key + 1) % sf->last_partitioning_redo_frequency); + sf->mv.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; + } + sf->intra_y_mode_mask[TX_32X32] = INTRA_DC; + sf->frame_parameter_update = 0; + sf->mv.search_method = FAST_HEX; + + sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEAR_NEW; + sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST; + sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST; + sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST; + sf->max_intra_bsize = BLOCK_32X32; + sf->allow_skip_recode = 1; + } + + if (speed >= 5) { + sf->use_quant_fp = !is_keyframe; + sf->auto_min_max_partition_size = is_keyframe ? RELAXED_NEIGHBORING_MIN_MAX + : STRICT_NEIGHBORING_MIN_MAX; + sf->default_max_partition_size = BLOCK_32X32; + sf->default_min_partition_size = BLOCK_8X8; + sf->force_frame_boost = is_keyframe || + (frames_since_key % (sf->last_partitioning_redo_frequency << 1) == 1); + sf->max_delta_qindex = is_keyframe ? 20 : 15; + sf->partition_search_type = REFERENCE_PARTITION; + sf->use_nonrd_pick_mode = 1; + sf->allow_skip_recode = 0; + sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEW_ZERO; + sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST_NEW_ZERO; + sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST_NEW_ZERO; + sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST_NEW_ZERO; + sf->adaptive_rd_thresh = 2; + // This feature is only enabled when partition search is disabled. + sf->reuse_inter_pred_sby = 1; + sf->partition_search_breakout_rate_thr = 200; + sf->coeff_prob_appx_step = 4; + sf->use_fast_coef_updates = is_keyframe ? TWO_LOOP : ONE_LOOP_REDUCED; + sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH; + sf->tx_size_search_method = is_keyframe ? USE_LARGESTALL : USE_TX_8X8; + + if (!is_keyframe) { + int i; + if (content == VP9E_CONTENT_SCREEN) { + for (i = 0; i < BLOCK_SIZES; ++i) + sf->intra_y_mode_bsize_mask[i] = INTRA_DC_TM_H_V; + } else { + for (i = 0; i < BLOCK_SIZES; ++i) + if (i >= BLOCK_16X16) + sf->intra_y_mode_bsize_mask[i] = INTRA_DC; + else + // Use H and V intra mode for block sizes <= 16X16. + sf->intra_y_mode_bsize_mask[i] = INTRA_DC_H_V; + } + } + } + + if (speed >= 6) { + // Adaptively switch between SOURCE_VAR_BASED_PARTITION and FIXED_PARTITION. + sf->partition_search_type = VAR_BASED_PARTITION; + // Turn on this to use non-RD key frame coding mode. + sf->use_nonrd_pick_mode = 1; + sf->mv.search_method = NSTEP; + sf->mv.reduce_first_step_size = 1; + sf->skip_encode_sb = 0; + } + + if (speed >= 7) { + sf->adaptive_rd_thresh = 3; + sf->mv.search_method = FAST_DIAMOND; + sf->mv.fullpel_search_step_param = 10; + } + if (speed >= 8) { + sf->adaptive_rd_thresh = 4; + sf->mv.subpel_force_stop = 2; + sf->lpf_pick = LPF_PICK_MINIMAL_LPF; + } +} + +void vp9_set_speed_features_framesize_dependent(VP9_COMP *cpi) { + SPEED_FEATURES *const sf = &cpi->sf; + VP9_COMMON *const cm = &cpi->common; + const VP9EncoderConfig *const oxcf = &cpi->oxcf; + RD_OPT *const rd = &cpi->rd; + int i; + + if (oxcf->mode == REALTIME) { + set_rt_speed_feature_framesize_dependent(cpi, sf, oxcf->speed); + } else if (oxcf->mode == GOOD) { + set_good_speed_feature_framesize_dependent(cm, sf, oxcf->speed); + } + + if (sf->disable_split_mask == DISABLE_ALL_SPLIT) { + sf->adaptive_pred_interp_filter = 0; + } + + if (cpi->encode_breakout && oxcf->mode == REALTIME && + sf->encode_breakout_thresh > cpi->encode_breakout) { + cpi->encode_breakout = sf->encode_breakout_thresh; + } + + // Check for masked out split cases. + for (i = 0; i < MAX_REFS; ++i) { + if (sf->disable_split_mask & (1 << i)) { + rd->thresh_mult_sub8x8[i] = INT_MAX; + } + } +} + +void vp9_set_speed_features_framesize_independent(VP9_COMP *cpi) { + SPEED_FEATURES *const sf = &cpi->sf; + VP9_COMMON *const cm = &cpi->common; + MACROBLOCK *const x = &cpi->td.mb; + const VP9EncoderConfig *const oxcf = &cpi->oxcf; + int i; + + // best quality defaults + sf->frame_parameter_update = 1; + sf->mv.search_method = NSTEP; + sf->recode_loop = ALLOW_RECODE; + sf->mv.subpel_search_method = SUBPEL_TREE; + sf->mv.subpel_iters_per_step = 2; + sf->mv.subpel_force_stop = 0; + sf->optimize_coefficients = !is_lossless_requested(&cpi->oxcf); + sf->mv.reduce_first_step_size = 0; + sf->coeff_prob_appx_step = 1; + sf->mv.auto_mv_step_size = 0; + sf->mv.fullpel_search_step_param = 6; + sf->comp_inter_joint_search_thresh = BLOCK_4X4; + sf->adaptive_rd_thresh = 0; + sf->tx_size_search_method = USE_FULL_RD; + sf->use_lp32x32fdct = 0; + sf->adaptive_motion_search = 0; + sf->adaptive_pred_interp_filter = 0; + sf->adaptive_mode_search = 0; + sf->cb_pred_filter_search = 0; + sf->cb_partition_search = 0; + sf->motion_field_mode_search = 0; + sf->alt_ref_search_fp = 0; + sf->use_quant_fp = 0; + sf->reference_masking = 0; + sf->partition_search_type = SEARCH_PARTITION; + sf->less_rectangular_check = 0; + sf->use_square_partition_only = 0; + sf->auto_min_max_partition_size = NOT_IN_USE; + sf->rd_auto_partition_min_limit = BLOCK_4X4; + sf->default_max_partition_size = BLOCK_64X64; + sf->default_min_partition_size = BLOCK_4X4; + sf->adjust_partitioning_from_last_frame = 0; + sf->last_partitioning_redo_frequency = 4; + sf->disable_split_mask = 0; + sf->mode_search_skip_flags = 0; + sf->force_frame_boost = 0; + sf->max_delta_qindex = 0; + sf->disable_filter_search_var_thresh = 0; + sf->adaptive_interp_filter_search = 0; + sf->allow_partition_search_skip = 0; + + for (i = 0; i < TX_SIZES; i++) { + sf->intra_y_mode_mask[i] = INTRA_ALL; + sf->intra_uv_mode_mask[i] = INTRA_ALL; + } + sf->use_rd_breakout = 0; + sf->skip_encode_sb = 0; + sf->use_uv_intra_rd_estimate = 0; + sf->allow_skip_recode = 0; + sf->lpf_pick = LPF_PICK_FROM_FULL_IMAGE; + sf->use_fast_coef_updates = TWO_LOOP; + sf->use_fast_coef_costing = 0; + sf->mode_skip_start = MAX_MODES; // Mode index at which mode skip mask set + sf->schedule_mode_search = 0; + sf->use_nonrd_pick_mode = 0; + for (i = 0; i < BLOCK_SIZES; ++i) + sf->inter_mode_mask[i] = INTER_ALL; + sf->max_intra_bsize = BLOCK_64X64; + sf->reuse_inter_pred_sby = 0; + // This setting only takes effect when partition_search_type is set + // to FIXED_PARTITION. + sf->always_this_block_size = BLOCK_16X16; + sf->search_type_check_frequency = 50; + sf->encode_breakout_thresh = 0; + // Recode loop tolerance %. + sf->recode_tolerance = 25; + sf->default_interp_filter = SWITCHABLE; + sf->tx_size_search_breakout = 0; + sf->partition_search_breakout_dist_thr = 0; + sf->partition_search_breakout_rate_thr = 0; + + if (oxcf->mode == REALTIME) + set_rt_speed_feature(cpi, sf, oxcf->speed, oxcf->content); + else if (oxcf->mode == GOOD) + set_good_speed_feature(cpi, cm, sf, oxcf->speed); + + cpi->full_search_sad = vp9_full_search_sad; + cpi->diamond_search_sad = oxcf->mode == BEST ? vp9_full_range_search + : vp9_diamond_search_sad; + + // Slow quant, dct and trellis not worthwhile for first pass + // so make sure they are always turned off. + if (oxcf->pass == 1) + sf->optimize_coefficients = 0; + + // No recode for 1 pass. + if (oxcf->pass == 0) { + sf->recode_loop = DISALLOW_RECODE; + sf->optimize_coefficients = 0; + } + + if (sf->mv.subpel_search_method == SUBPEL_TREE) { + cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree; + } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED) { + cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned; + } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_MORE) { + cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_more; + } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_EVENMORE) { + cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_evenmore; + } + + x->optimize = sf->optimize_coefficients == 1 && oxcf->pass != 1; + + x->min_partition_size = sf->default_min_partition_size; + x->max_partition_size = sf->default_max_partition_size; + + if (!cpi->oxcf.frame_periodic_boost) { + sf->max_delta_qindex = 0; + } +} |