#include "vp9/encoder/vp9_resize.h"
#include "vp9/encoder/vp9_svc_layercontext.h"
-#define ALL_INTRA_MODES 0x3FF
-#define INTRA_DC_ONLY 0x01
-#define INTRA_DC_TM ((1 << TM_PRED) | (1 << DC_PRED))
-#define INTRA_DC_H_V ((1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED))
-#define INTRA_DC_TM_H_V (INTRA_DC_TM | (1 << V_PRED) | (1 << H_PRED))
-
void vp9_coef_tree_initialize();
#define DEFAULT_INTERP_FILTER SWITCHABLE
// now so that HIGH_PRECISION is always
// chosen.
-// Masks for partially or completely disabling split mode
-#define DISABLE_ALL_SPLIT 0x3F
-#define DISABLE_ALL_INTER_SPLIT 0x1F
-#define DISABLE_COMPOUND_SPLIT 0x18
-#define LAST_AND_INTRA_SPLIT_ONLY 0x1E
-
// Max rate target for 1080P and below encodes under normal circumstances
// (1920 * 1080 / (16 * 16)) * MAX_MB_RATE bits per MB
#define MAX_MB_RATE 250
cpi->rd_thresh_mult_sub8x8[THR_COMP_GA] = INT_MAX;
}
-// Intra only frames, golden frames (except alt ref overlays) and
-// alt ref frames tend to be coded at a higher than ambient quality
-static INLINE int frame_is_boosted(const VP9_COMP *cpi) {
- return frame_is_intra_only(&cpi->common) || cpi->refresh_alt_ref_frame ||
- (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref);
-}
-
-static void set_good_speed_feature(VP9_COMP *cpi,
- VP9_COMMON *cm,
- SPEED_FEATURES *sf,
- int speed) {
- int i;
- sf->adaptive_rd_thresh = 1;
- sf->recode_loop = ((speed < 1) ? ALLOW_RECODE : ALLOW_RECODE_KFMAXBW);
- sf->allow_skip_recode = 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_boosted(cpi)
- ? 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->auto_mv_step_size = 1;
- sf->adaptive_rd_thresh = 2;
- sf->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;
- }
- // Additions or changes from speed 1 for speed >= 2.
- if (speed >= 2) {
- sf->tx_size_search_method = frame_is_boosted(cpi)
- ? 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->adaptive_pred_interp_filter = 2;
-
- sf->reference_masking = 1;
- sf->mode_search_skip_flags = 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->use_lastframe_partitioning = LAST_FRAME_PARTITION_LOW_MOTION;
- sf->adjust_partitioning_from_last_frame = 1;
- sf->last_partitioning_redo_frequency = 3;
- }
- // Additions or changes for speed 3 and above
- if (speed >= 3) {
- if (MIN(cm->width, cm->height) >= 720)
- sf->disable_split_mask = DISABLE_ALL_SPLIT;
- else
- sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
-
- sf->recode_loop = ALLOW_RECODE_KFMAXBW;
-
- sf->adaptive_rd_thresh = 3;
- sf->mode_skip_start = 6;
- sf->use_fast_coef_updates = 2;
- sf->use_fast_coef_costing = 1;
- }
- // Additions or changes for speed 3 and above
- if (speed >= 4) {
- sf->use_square_partition_only = 1;
- sf->tx_size_search_method = USE_LARGESTALL;
- sf->disable_split_mask = DISABLE_ALL_SPLIT;
-
- sf->adaptive_rd_thresh = 4;
-
- // Add a couple more skip flags
- sf->mode_search_skip_flags |= FLAG_SKIP_COMP_REFMISMATCH |
- FLAG_EARLY_TERMINATE;
-
- sf->disable_filter_search_var_thresh = 200;
-
- sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL;
- sf->use_lp32x32fdct = 1;
- }
- if (speed >= 5) {
- sf->partition_search_type = FIXED_PARTITION;
- sf->optimize_coefficients = 0;
- sf->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_ONLY;
- sf->intra_uv_mode_mask[i] = INTRA_DC_ONLY;
- }
- cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
- }
-}
-
-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;
- if (MIN(cm->width, cm->height) >= 720)
- sf->disable_split_mask = DISABLE_ALL_SPLIT;
- else
- sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
-
- sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH
- | FLAG_SKIP_INTRA_BESTINTER | FLAG_SKIP_COMP_BESTINTRA
- | FLAG_SKIP_INTRA_LOWVAR;
-
- sf->disable_filter_search_var_thresh = 100;
- sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL;
- sf->use_uv_intra_rd_estimate = 1;
- sf->skip_encode_sb = 1;
- sf->subpel_iters_per_step = 1;
- sf->use_fast_coef_updates = 2;
- sf->adaptive_rd_thresh = 4;
- sf->mode_skip_start = 6;
- sf->encode_breakout_thresh = 400;
- sf->allow_skip_recode = 0;
- }
- if (speed >= 4) {
- 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 >= 5) {
- 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 >= 6) {
- 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->partition_search_type = REFERENCE_PARTITION;
- sf->use_nonrd_pick_mode = 1;
- sf->search_method = FAST_DIAMOND;
- sf->allow_skip_recode = 0;
- }
- if (speed >= 7) {
- sf->partition_search_type = VAR_BASED_FIXED_PARTITION;
- sf->use_nonrd_pick_mode = 1;
- sf->search_method = FAST_DIAMOND;
- }
- if (speed >= 8) {
- int i;
- for (i = 0; i < BLOCK_SIZES; ++i)
- sf->disable_inter_mode_mask[i] = 14; // only search NEARESTMV (0)
- }
-}
-
-void vp9_set_speed_features(VP9_COMP *cpi) {
- SPEED_FEATURES *sf = &cpi->sf;
- VP9_COMMON *cm = &cpi->common;
- int speed = cpi->speed;
- int i;
-
- // Convert negative speed to positive
- if (speed < 0)
- speed = -speed;
-
+static void set_speed_features(VP9_COMP *cpi) {
#if CONFIG_INTERNAL_STATS
+ int i;
for (i = 0; i < MAX_MODES; ++i)
cpi->mode_chosen_counts[i] = 0;
#endif
- // best quality defaults
- sf->frame_parameter_update = 1;
- sf->search_method = NSTEP;
- sf->recode_loop = ALLOW_RECODE;
- sf->subpel_search_method = SUBPEL_TREE;
- sf->subpel_iters_per_step = 2;
- sf->subpel_force_stop = 0;
- sf->optimize_coefficients = !cpi->oxcf.lossless;
- sf->reduce_first_step_size = 0;
- sf->auto_mv_step_size = 0;
- sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
- sf->comp_inter_joint_search_thresh = BLOCK_4X4;
- sf->adaptive_rd_thresh = 0;
- sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_OFF;
- sf->tx_size_search_method = USE_FULL_RD;
- sf->use_lp32x32fdct = 0;
- sf->adaptive_motion_search = 0;
- sf->adaptive_pred_interp_filter = 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->max_partition_size = BLOCK_64X64;
- sf->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->disable_split_var_thresh = 0;
- sf->disable_filter_search_var_thresh = 0;
- for (i = 0; i < TX_SIZES; i++) {
- sf->intra_y_mode_mask[i] = ALL_INTRA_MODES;
- sf->intra_uv_mode_mask[i] = ALL_INTRA_MODES;
- }
- 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 = 0;
- sf->use_fast_coef_costing = 0;
- sf->mode_skip_start = MAX_MODES; // Mode index at which mode skip mask set
- sf->use_nonrd_pick_mode = 0;
- sf->encode_breakout_thresh = 0;
- for (i = 0; i < BLOCK_SIZES; ++i)
- sf->disable_inter_mode_mask[i] = 0;
- sf->max_intra_bsize = BLOCK_64X64;
- // This setting only takes effect when partition_search_type is set
- // to FIXED_PARTITION.
- sf->always_this_block_size = BLOCK_16X16;
-
- switch (cpi->oxcf.mode) {
- case MODE_BESTQUALITY:
- case MODE_SECONDPASS_BEST: // This is the best quality mode.
- cpi->diamond_search_sad = vp9_full_range_search;
- break;
- case MODE_FIRSTPASS:
- case MODE_GOODQUALITY:
- case MODE_SECONDPASS:
- set_good_speed_feature(cpi, cm, sf, speed);
- break;
- case MODE_REALTIME:
- set_rt_speed_feature(cm, sf, speed);
- break;
- }; /* switch */
+ vp9_set_speed_features(cpi);
// Set rd thresholds based on mode and speed setting
set_rd_speed_thresholds(cpi);
set_rd_speed_thresholds_sub8x8(cpi);
- // Slow quant, dct and trellis not worthwhile for first pass
- // so make sure they are always turned off.
- if (cpi->pass == 1) {
- sf->optimize_coefficients = 0;
- }
-
- // No recode for 1 pass.
- if (cpi->pass == 0) {
- sf->recode_loop = DISALLOW_RECODE;
- sf->optimize_coefficients = 0;
- }
-
cpi->mb.fwd_txm4x4 = vp9_fdct4x4;
if (cpi->oxcf.lossless || cpi->mb.e_mbd.lossless) {
cpi->mb.fwd_txm4x4 = vp9_fwht4x4;
}
-
- if (cpi->sf.subpel_search_method == SUBPEL_TREE) {
- cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree;
- cpi->find_fractional_mv_step_comp = vp9_find_best_sub_pixel_comp_tree;
- }
-
- cpi->mb.optimize = cpi->sf.optimize_coefficients == 1 && cpi->pass != 1;
-
- if (cpi->encode_breakout && cpi->oxcf.mode == MODE_REALTIME &&
- sf->encode_breakout_thresh > cpi->encode_breakout)
- cpi->encode_breakout = sf->encode_breakout_thresh;
-
- if (sf->disable_split_mask == DISABLE_ALL_SPLIT)
- sf->adaptive_pred_interp_filter = 0;
}
static void alloc_raw_frame_buffers(VP9_COMP *cpi) {
vp9_init_second_pass(cpi);
}
- vp9_set_speed_features(cpi);
+ set_speed_features(cpi);
// Default rd threshold factors for mode selection
for (i = 0; i < BLOCK_SIZES; ++i) {
set_high_precision_mv(cpi, q < HIGH_PRECISION_MV_QTHRESH);
}
- vp9_set_speed_features(cpi);
+ set_speed_features(cpi);
if (cpi->sf.recode_loop == DISALLOW_RECODE) {
encode_without_recode_loop(cpi, size, dest, q);
#include "vp9/encoder/vp9_mcomp.h"
#include "vp9/encoder/vp9_quantize.h"
#include "vp9/encoder/vp9_ratectrl.h"
+#include "vp9/encoder/vp9_speed_features.h"
#include "vp9/encoder/vp9_svc_layercontext.h"
#include "vp9/encoder/vp9_tokenize.h"
#include "vp9/encoder/vp9_variance.h"
THR_INTRA,
} THR_MODES_SUB8X8;
-typedef enum {
- DIAMOND = 0,
- NSTEP = 1,
- HEX = 2,
- BIGDIA = 3,
- SQUARE = 4,
- FAST_HEX = 5,
- FAST_DIAMOND = 6
-} SEARCH_METHODS;
-
-typedef enum {
- USE_FULL_RD = 0,
- USE_LARGESTINTRA,
- USE_LARGESTINTRA_MODELINTER,
- USE_LARGESTALL
-} TX_SIZE_SEARCH_METHOD;
-
-typedef enum {
- NOT_IN_USE = 0,
- RELAXED_NEIGHBORING_MIN_MAX = 1,
- STRICT_NEIGHBORING_MIN_MAX = 2
-} AUTO_MIN_MAX_MODE;
-
-typedef enum {
- // Terminate search early based on distortion so far compared to
- // qp step, distortion in the neighborhood of the frame, etc.
- FLAG_EARLY_TERMINATE = 1 << 0,
-
- // Skips comp inter modes if the best so far is an intra mode.
- FLAG_SKIP_COMP_BESTINTRA = 1 << 1,
-
- // Skips comp inter modes if the best single intermode so far does
- // not have the same reference as one of the two references being
- // tested.
- FLAG_SKIP_COMP_REFMISMATCH = 1 << 2,
-
- // Skips oblique intra modes if the best so far is an inter mode.
- FLAG_SKIP_INTRA_BESTINTER = 1 << 3,
-
- // Skips oblique intra modes at angles 27, 63, 117, 153 if the best
- // intra so far is not one of the neighboring directions.
- FLAG_SKIP_INTRA_DIRMISMATCH = 1 << 4,
-
- // Skips intra modes other than DC_PRED if the source variance is small
- FLAG_SKIP_INTRA_LOWVAR = 1 << 5,
-} MODE_SEARCH_SKIP_LOGIC;
-
-typedef enum {
- SUBPEL_TREE = 0,
- // Other methods to come
-} SUBPEL_SEARCH_METHODS;
-
-typedef enum {
- LAST_FRAME_PARTITION_OFF = 0,
- LAST_FRAME_PARTITION_LOW_MOTION = 1,
- LAST_FRAME_PARTITION_ALL = 2
-} LAST_FRAME_PARTITION_METHOD;
-
-typedef enum {
- // No recode.
- DISALLOW_RECODE = 0,
- // Allow recode for KF and exceeding maximum frame bandwidth.
- ALLOW_RECODE_KFMAXBW = 1,
- // Allow recode only for KF/ARF/GF frames.
- ALLOW_RECODE_KFARFGF = 2,
- // Allow recode for all frames based on bitrate constraints.
- ALLOW_RECODE = 3,
-} RECODE_LOOP_TYPE;
-
typedef enum {
// encode_breakout is disabled.
ENCODE_BREAKOUT_DISABLED = 0,
ENCODE_BREAKOUT_LIMITED = 2
} ENCODE_BREAKOUT_TYPE;
-typedef enum {
- // Search partitions using RD/NONRD criterion
- SEARCH_PARTITION = 0,
-
- // Always use a fixed size partition
- FIXED_PARTITION = 1,
-
- // Use a fixed size partition in every 64X64 SB, where the size is
- // determined based on source variance
- VAR_BASED_FIXED_PARTITION = 2,
-
- REFERENCE_PARTITION = 3,
-
- // Use an arbitrary partitioning scheme based on source variance within
- // a 64X64 SB
- VAR_BASED_PARTITION
-} PARTITION_SEARCH_TYPE;
-
-typedef enum {
- // Try the full image with different values.
- LPF_PICK_FROM_FULL_IMAGE,
- // Try a small portion of the image with different values.
- LPF_PICK_FROM_SUBIMAGE,
- // Estimate the level based on quantizer and frame type
- LPF_PICK_FROM_Q,
-} LPF_PICK_METHOD;
-
-typedef struct {
- // Frame level coding parameter update
- int frame_parameter_update;
-
- // Motion search method (Diamond, NSTEP, Hex, Big Diamond, Square, etc).
- SEARCH_METHODS search_method;
-
- RECODE_LOOP_TYPE recode_loop;
-
- // Subpel_search_method can only be subpel_tree which does a subpixel
- // logarithmic search that keeps stepping at 1/2 pixel units until
- // you stop getting a gain, and then goes on to 1/4 and repeats
- // the same process. Along the way it skips many diagonals.
- SUBPEL_SEARCH_METHODS subpel_search_method;
-
- // Maximum number of steps in logarithmic subpel search before giving up.
- int subpel_iters_per_step;
-
- // Control when to stop subpel search
- int subpel_force_stop;
-
- // This parameter controls the number of steps we'll do in a diamond
- // search.
- int max_step_search_steps;
-
- // This parameter controls which step in the n-step process we start at.
- // It's changed adaptively based on circumstances.
- int reduce_first_step_size;
-
- // If this is set to 1, we limit the motion search range to 2 times the
- // largest motion vector found in the last frame.
- int auto_mv_step_size;
-
- // Trellis (dynamic programming) optimization of quantized values (+1, 0).
- int optimize_coefficients;
-
- // Always set to 0. If on it enables 0 cost background transmission
- // (except for the initial transmission of the segmentation). The feature is
- // disabled because the addition of very large block sizes make the
- // backgrounds very to cheap to encode, and the segmentation we have
- // adds overhead.
- int static_segmentation;
-
- // If 1 we iterate finding a best reference for 2 ref frames together - via
- // a log search that iterates 4 times (check around mv for last for best
- // error of combined predictor then check around mv for alt). If 0 we
- // we just use the best motion vector found for each frame by itself.
- int comp_inter_joint_search_thresh;
-
- // This variable is used to cap the maximum number of times we skip testing a
- // mode to be evaluated. A high value means we will be faster.
- int adaptive_rd_thresh;
-
- // Enables skipping the reconstruction step (idct, recon) in the
- // intermediate steps assuming the last frame didn't have too many intra
- // blocks and the q is less than a threshold.
- int skip_encode_sb;
- int skip_encode_frame;
- // Speed feature to allow or disallow skipping of recode at block
- // level within a frame.
- int allow_skip_recode;
-
- // This variable allows us to reuse the last frames partition choices
- // (64x64 v 32x32 etc) for this frame. It can be set to only use the last
- // frame as a starting point in low motion scenes or always use it. If set
- // we use last partitioning_redo frequency to determine how often to redo
- // the partitioning from scratch. Adjust_partitioning_from_last_frame
- // enables us to adjust up or down one partitioning from the last frames
- // partitioning.
- LAST_FRAME_PARTITION_METHOD use_lastframe_partitioning;
-
- // Determine which method we use to determine transform size. We can choose
- // between options like full rd, largest for prediction size, largest
- // for intra and model coefs for the rest.
- TX_SIZE_SEARCH_METHOD tx_size_search_method;
-
- // Low precision 32x32 fdct keeps everything in 16 bits and thus is less
- // precise but significantly faster than the non lp version.
- int use_lp32x32fdct;
-
- // TODO(JBB): remove this as its no longer used.
-
- // After looking at the first set of modes (set by index here), skip
- // checking modes for reference frames that don't match the reference frame
- // of the best so far.
- int mode_skip_start;
-
- // TODO(JBB): Remove this.
- int reference_masking;
-
- PARTITION_SEARCH_TYPE partition_search_type;
-
- // Used if partition_search_type = FIXED_SIZE_PARTITION
- BLOCK_SIZE always_this_block_size;
-
- // Skip rectangular partition test when partition type none gives better
- // rd than partition type split.
- int less_rectangular_check;
-
- // Disable testing non square partitions. (eg 16x32)
- int use_square_partition_only;
-
- // Sets min and max partition sizes for this 64x64 region based on the
- // same 64x64 in last encoded frame, and the left and above neighbor.
- AUTO_MIN_MAX_MODE auto_min_max_partition_size;
-
- // Min and max partition size we enable (block_size) as per auto
- // min max, but also used by adjust partitioning, and pick_partitioning.
- BLOCK_SIZE min_partition_size;
- BLOCK_SIZE max_partition_size;
-
- // Whether or not we allow partitions one smaller or one greater than the last
- // frame's partitioning. Only used if use_lastframe_partitioning is set.
- int adjust_partitioning_from_last_frame;
-
- // How frequently we re do the partitioning from scratch. Only used if
- // use_lastframe_partitioning is set.
- int last_partitioning_redo_frequency;
-
- // Disables sub 8x8 blocksizes in different scenarios: Choices are to disable
- // it always, to allow it for only Last frame and Intra, disable it for all
- // inter modes or to enable it always.
- int disable_split_mask;
-
- // TODO(jingning): combine the related motion search speed features
- // This allows us to use motion search at other sizes as a starting
- // point for this motion search and limits the search range around it.
- int adaptive_motion_search;
-
- // Allows sub 8x8 modes to use the prediction filter that was determined
- // best for 8x8 mode. If set to 0 we always re check all the filters for
- // sizes less than 8x8, 1 means we check all filter modes if no 8x8 filter
- // was selected, and 2 means we use 8 tap if no 8x8 filter mode was selected.
- int adaptive_pred_interp_filter;
-
- // Search through variable block partition types in non-RD mode decision
- // encoding process for RTC.
- int partition_check;
-
- // Implements various heuristics to skip searching modes
- // The heuristics selected are based on flags
- // defined in the MODE_SEARCH_SKIP_HEURISTICS enum
- unsigned int mode_search_skip_flags;
-
- // A source variance threshold below which the split mode is disabled
- unsigned int disable_split_var_thresh;
-
- // A source variance threshold below which filter search is disabled
- // Choose a very large value (UINT_MAX) to use 8-tap always
- unsigned int disable_filter_search_var_thresh;
-
- // These bit masks allow you to enable or disable intra modes for each
- // transform size separately.
- int intra_y_mode_mask[TX_SIZES];
- int intra_uv_mode_mask[TX_SIZES];
-
- // This variable enables an early break out of mode testing if the model for
- // rd built from the prediction signal indicates a value that's much
- // higher than the best rd we've seen so far.
- int use_rd_breakout;
-
- // This enables us to use an estimate for intra rd based on dc mode rather
- // than choosing an actual uv mode in the stage of encoding before the actual
- // final encode.
- int use_uv_intra_rd_estimate;
-
- // This feature controls how the loop filter level is determined.
- LPF_PICK_METHOD lpf_pick;
-
- // This feature limits the number of coefficients updates we actually do
- // by only looking at counts from 1/2 the bands.
- int use_fast_coef_updates; // 0: 2-loop, 1: 1-loop, 2: 1-loop reduced
-
- // This flag controls the use of non-RD mode decision.
- int use_nonrd_pick_mode;
-
- // This variable sets the encode_breakout threshold. Currently, it is only
- // enabled in real time mode.
- int encode_breakout_thresh;
-
- // A binary mask indicating if NEARESTMV, NEARMV, ZEROMV, NEWMV
- // modes are disabled in order from LSB to MSB for each BLOCK_SIZE.
- int disable_inter_mode_mask[BLOCK_SIZES];
-
- // This feature controls whether we do the expensive context update and
- // calculation in the rd coefficient costing loop.
- int use_fast_coef_costing;
-
- // This variable controls the maximum block size where intra blocks can be
- // used in inter frames.
- // TODO(aconverse): Fold this into one of the other many mode skips
- BLOCK_SIZE max_intra_bsize;
-} SPEED_FEATURES;
-
typedef enum {
NORMAL = 0,
FOURFIVE = 1,
.buf;
}
-void vp9_set_speed_features(VP9_COMP *cpi);
-
static INLINE int get_token_alloc(int mb_rows, int mb_cols) {
// TODO(JBB): make this work for alpha channel and double check we can't
// exceed this token count if we have a 32x32 transform crossing a boundary
--- /dev/null
+/*
+ * 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_onyx_int.h"
+#include "vp9/encoder/vp9_speed_features.h"
+
+#define ALL_INTRA_MODES 0x3FF
+#define INTRA_DC_ONLY 0x01
+#define INTRA_DC_TM ((1 << TM_PRED) | (1 << DC_PRED))
+#define INTRA_DC_H_V ((1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED))
+#define INTRA_DC_TM_H_V (INTRA_DC_TM | (1 << V_PRED) | (1 << H_PRED))
+
+// Masks for partially or completely disabling split mode
+#define DISABLE_ALL_SPLIT 0x3F
+#define DISABLE_ALL_INTER_SPLIT 0x1F
+#define DISABLE_COMPOUND_SPLIT 0x18
+#define LAST_AND_INTRA_SPLIT_ONLY 0x1E
+
+// Intra only frames, golden frames (except alt ref overlays) and
+// alt ref frames tend to be coded at a higher than ambient quality
+static INLINE int frame_is_boosted(const VP9_COMP *cpi) {
+ return frame_is_intra_only(&cpi->common) || cpi->refresh_alt_ref_frame ||
+ (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref);
+}
+
+static void set_good_speed_feature(VP9_COMP *cpi,
+ VP9_COMMON *cm,
+ SPEED_FEATURES *sf,
+ int speed) {
+ int i;
+ sf->adaptive_rd_thresh = 1;
+ sf->recode_loop = ((speed < 1) ? ALLOW_RECODE : ALLOW_RECODE_KFMAXBW);
+ sf->allow_skip_recode = 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_boosted(cpi)
+ ? 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->auto_mv_step_size = 1;
+ sf->adaptive_rd_thresh = 2;
+ sf->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;
+ }
+ // Additions or changes from speed 1 for speed >= 2.
+ if (speed >= 2) {
+ sf->tx_size_search_method = frame_is_boosted(cpi)
+ ? 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->adaptive_pred_interp_filter = 2;
+
+ sf->reference_masking = 1;
+ sf->mode_search_skip_flags = 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->use_lastframe_partitioning = LAST_FRAME_PARTITION_LOW_MOTION;
+ sf->adjust_partitioning_from_last_frame = 1;
+ sf->last_partitioning_redo_frequency = 3;
+ }
+ // Additions or changes for speed 3 and above
+ if (speed >= 3) {
+ if (MIN(cm->width, cm->height) >= 720)
+ sf->disable_split_mask = DISABLE_ALL_SPLIT;
+ else
+ sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
+
+ sf->recode_loop = ALLOW_RECODE_KFMAXBW;
+
+ sf->adaptive_rd_thresh = 3;
+ sf->mode_skip_start = 6;
+ sf->use_fast_coef_updates = 2;
+ sf->use_fast_coef_costing = 1;
+ }
+ // Additions or changes for speed 3 and above
+ if (speed >= 4) {
+ sf->use_square_partition_only = 1;
+ sf->tx_size_search_method = USE_LARGESTALL;
+ sf->disable_split_mask = DISABLE_ALL_SPLIT;
+
+ sf->adaptive_rd_thresh = 4;
+
+ // Add a couple more skip flags
+ sf->mode_search_skip_flags |= FLAG_SKIP_COMP_REFMISMATCH |
+ FLAG_EARLY_TERMINATE;
+
+ sf->disable_filter_search_var_thresh = 200;
+
+ sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL;
+ sf->use_lp32x32fdct = 1;
+ }
+ if (speed >= 5) {
+ sf->partition_search_type = FIXED_PARTITION;
+ sf->optimize_coefficients = 0;
+ sf->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_ONLY;
+ sf->intra_uv_mode_mask[i] = INTRA_DC_ONLY;
+ }
+ cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
+ }
+}
+
+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;
+ if (MIN(cm->width, cm->height) >= 720)
+ sf->disable_split_mask = DISABLE_ALL_SPLIT;
+ else
+ sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
+
+ sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH
+ | FLAG_SKIP_INTRA_BESTINTER | FLAG_SKIP_COMP_BESTINTRA
+ | FLAG_SKIP_INTRA_LOWVAR;
+
+ sf->disable_filter_search_var_thresh = 100;
+ sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL;
+ sf->use_uv_intra_rd_estimate = 1;
+ sf->skip_encode_sb = 1;
+ sf->subpel_iters_per_step = 1;
+ sf->use_fast_coef_updates = 2;
+ sf->adaptive_rd_thresh = 4;
+ sf->mode_skip_start = 6;
+ sf->encode_breakout_thresh = 400;
+ sf->allow_skip_recode = 0;
+ }
+ if (speed >= 4) {
+ 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 >= 5) {
+ 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 >= 6) {
+ 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->partition_search_type = REFERENCE_PARTITION;
+ sf->use_nonrd_pick_mode = 1;
+ sf->search_method = FAST_DIAMOND;
+ sf->allow_skip_recode = 0;
+ }
+ if (speed >= 7) {
+ sf->partition_search_type = VAR_BASED_FIXED_PARTITION;
+ sf->use_nonrd_pick_mode = 1;
+ sf->search_method = FAST_DIAMOND;
+ }
+ if (speed >= 8) {
+ int i;
+ for (i = 0; i < BLOCK_SIZES; ++i)
+ sf->disable_inter_mode_mask[i] = 14; // only search NEARESTMV (0)
+ }
+}
+
+void vp9_set_speed_features(VP9_COMP *cpi) {
+ SPEED_FEATURES *const sf = &cpi->sf;
+ VP9_COMMON *const cm = &cpi->common;
+ const int speed = cpi->speed < 0 ? -cpi->speed : cpi->speed;
+ int i;
+
+ // best quality defaults
+ sf->frame_parameter_update = 1;
+ sf->search_method = NSTEP;
+ sf->recode_loop = ALLOW_RECODE;
+ sf->subpel_search_method = SUBPEL_TREE;
+ sf->subpel_iters_per_step = 2;
+ sf->subpel_force_stop = 0;
+ sf->optimize_coefficients = !cpi->oxcf.lossless;
+ sf->reduce_first_step_size = 0;
+ sf->auto_mv_step_size = 0;
+ sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
+ sf->comp_inter_joint_search_thresh = BLOCK_4X4;
+ sf->adaptive_rd_thresh = 0;
+ sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_OFF;
+ sf->tx_size_search_method = USE_FULL_RD;
+ sf->use_lp32x32fdct = 0;
+ sf->adaptive_motion_search = 0;
+ sf->adaptive_pred_interp_filter = 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->max_partition_size = BLOCK_64X64;
+ sf->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->disable_split_var_thresh = 0;
+ sf->disable_filter_search_var_thresh = 0;
+ for (i = 0; i < TX_SIZES; i++) {
+ sf->intra_y_mode_mask[i] = ALL_INTRA_MODES;
+ sf->intra_uv_mode_mask[i] = ALL_INTRA_MODES;
+ }
+ 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 = 0;
+ sf->use_fast_coef_costing = 0;
+ sf->mode_skip_start = MAX_MODES; // Mode index at which mode skip mask set
+ sf->use_nonrd_pick_mode = 0;
+ sf->encode_breakout_thresh = 0;
+ for (i = 0; i < BLOCK_SIZES; ++i)
+ sf->disable_inter_mode_mask[i] = 0;
+ sf->max_intra_bsize = BLOCK_64X64;
+ // This setting only takes effect when partition_search_type is set
+ // to FIXED_PARTITION.
+ sf->always_this_block_size = BLOCK_16X16;
+
+ switch (cpi->oxcf.mode) {
+ case MODE_BESTQUALITY:
+ case MODE_SECONDPASS_BEST: // This is the best quality mode.
+ cpi->diamond_search_sad = vp9_full_range_search;
+ break;
+ case MODE_FIRSTPASS:
+ case MODE_GOODQUALITY:
+ case MODE_SECONDPASS:
+ set_good_speed_feature(cpi, cm, sf, speed);
+ break;
+ case MODE_REALTIME:
+ set_rt_speed_feature(cm, sf, speed);
+ break;
+ }
+
+ // Slow quant, dct and trellis not worthwhile for first pass
+ // so make sure they are always turned off.
+ if (cpi->pass == 1) {
+ sf->optimize_coefficients = 0;
+ }
+
+ // No recode for 1 pass.
+ if (cpi->pass == 0) {
+ sf->recode_loop = DISALLOW_RECODE;
+ sf->optimize_coefficients = 0;
+ }
+
+ if (cpi->sf.subpel_search_method == SUBPEL_TREE) {
+ cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree;
+ cpi->find_fractional_mv_step_comp = vp9_find_best_sub_pixel_comp_tree;
+ }
+
+ cpi->mb.optimize = cpi->sf.optimize_coefficients == 1 && cpi->pass != 1;
+
+ if (cpi->encode_breakout && cpi->oxcf.mode == MODE_REALTIME &&
+ sf->encode_breakout_thresh > cpi->encode_breakout)
+ cpi->encode_breakout = sf->encode_breakout_thresh;
+
+ if (sf->disable_split_mask == DISABLE_ALL_SPLIT)
+ sf->adaptive_pred_interp_filter = 0;
+}
--- /dev/null
+/*
+ * 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.
+ */
+
+#ifndef VP9_ENCODER_VP9_SPEED_FEATURES_H_
+#define VP9_ENCODER_VP9_SPEED_FEATURES_H_
+
+#include "vp9/common/vp9_enums.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+ DIAMOND = 0,
+ NSTEP = 1,
+ HEX = 2,
+ BIGDIA = 3,
+ SQUARE = 4,
+ FAST_HEX = 5,
+ FAST_DIAMOND = 6
+} SEARCH_METHODS;
+
+typedef enum {
+ // No recode.
+ DISALLOW_RECODE = 0,
+ // Allow recode for KF and exceeding maximum frame bandwidth.
+ ALLOW_RECODE_KFMAXBW = 1,
+ // Allow recode only for KF/ARF/GF frames.
+ ALLOW_RECODE_KFARFGF = 2,
+ // Allow recode for all frames based on bitrate constraints.
+ ALLOW_RECODE = 3,
+} RECODE_LOOP_TYPE;
+
+typedef enum {
+ SUBPEL_TREE = 0,
+ // Other methods to come
+} SUBPEL_SEARCH_METHODS;
+
+typedef enum {
+ LAST_FRAME_PARTITION_OFF = 0,
+ LAST_FRAME_PARTITION_LOW_MOTION = 1,
+ LAST_FRAME_PARTITION_ALL = 2
+} LAST_FRAME_PARTITION_METHOD;
+
+typedef enum {
+ USE_FULL_RD = 0,
+ USE_LARGESTINTRA,
+ USE_LARGESTINTRA_MODELINTER,
+ USE_LARGESTALL
+} TX_SIZE_SEARCH_METHOD;
+
+typedef enum {
+ NOT_IN_USE = 0,
+ RELAXED_NEIGHBORING_MIN_MAX = 1,
+ STRICT_NEIGHBORING_MIN_MAX = 2
+} AUTO_MIN_MAX_MODE;
+
+typedef enum {
+ // Try the full image with different values.
+ LPF_PICK_FROM_FULL_IMAGE,
+ // Try a small portion of the image with different values.
+ LPF_PICK_FROM_SUBIMAGE,
+ // Estimate the level based on quantizer and frame type
+ LPF_PICK_FROM_Q,
+} LPF_PICK_METHOD;
+
+typedef enum {
+ // Terminate search early based on distortion so far compared to
+ // qp step, distortion in the neighborhood of the frame, etc.
+ FLAG_EARLY_TERMINATE = 1 << 0,
+
+ // Skips comp inter modes if the best so far is an intra mode.
+ FLAG_SKIP_COMP_BESTINTRA = 1 << 1,
+
+ // Skips comp inter modes if the best single intermode so far does
+ // not have the same reference as one of the two references being
+ // tested.
+ FLAG_SKIP_COMP_REFMISMATCH = 1 << 2,
+
+ // Skips oblique intra modes if the best so far is an inter mode.
+ FLAG_SKIP_INTRA_BESTINTER = 1 << 3,
+
+ // Skips oblique intra modes at angles 27, 63, 117, 153 if the best
+ // intra so far is not one of the neighboring directions.
+ FLAG_SKIP_INTRA_DIRMISMATCH = 1 << 4,
+
+ // Skips intra modes other than DC_PRED if the source variance is small
+ FLAG_SKIP_INTRA_LOWVAR = 1 << 5,
+} MODE_SEARCH_SKIP_LOGIC;
+
+typedef enum {
+ // Search partitions using RD/NONRD criterion
+ SEARCH_PARTITION = 0,
+
+ // Always use a fixed size partition
+ FIXED_PARTITION = 1,
+
+ // Use a fixed size partition in every 64X64 SB, where the size is
+ // determined based on source variance
+ VAR_BASED_FIXED_PARTITION = 2,
+
+ REFERENCE_PARTITION = 3,
+
+ // Use an arbitrary partitioning scheme based on source variance within
+ // a 64X64 SB
+ VAR_BASED_PARTITION
+} PARTITION_SEARCH_TYPE;
+
+typedef struct {
+ // Frame level coding parameter update
+ int frame_parameter_update;
+
+ // Motion search method (Diamond, NSTEP, Hex, Big Diamond, Square, etc).
+ SEARCH_METHODS search_method;
+
+ RECODE_LOOP_TYPE recode_loop;
+
+ // Subpel_search_method can only be subpel_tree which does a subpixel
+ // logarithmic search that keeps stepping at 1/2 pixel units until
+ // you stop getting a gain, and then goes on to 1/4 and repeats
+ // the same process. Along the way it skips many diagonals.
+ SUBPEL_SEARCH_METHODS subpel_search_method;
+
+ // Maximum number of steps in logarithmic subpel search before giving up.
+ int subpel_iters_per_step;
+
+ // Control when to stop subpel search
+ int subpel_force_stop;
+
+ // This parameter controls the number of steps we'll do in a diamond
+ // search.
+ int max_step_search_steps;
+
+ // This parameter controls which step in the n-step process we start at.
+ // It's changed adaptively based on circumstances.
+ int reduce_first_step_size;
+
+ // If this is set to 1, we limit the motion search range to 2 times the
+ // largest motion vector found in the last frame.
+ int auto_mv_step_size;
+
+ // Trellis (dynamic programming) optimization of quantized values (+1, 0).
+ int optimize_coefficients;
+
+ // Always set to 0. If on it enables 0 cost background transmission
+ // (except for the initial transmission of the segmentation). The feature is
+ // disabled because the addition of very large block sizes make the
+ // backgrounds very to cheap to encode, and the segmentation we have
+ // adds overhead.
+ int static_segmentation;
+
+ // If 1 we iterate finding a best reference for 2 ref frames together - via
+ // a log search that iterates 4 times (check around mv for last for best
+ // error of combined predictor then check around mv for alt). If 0 we
+ // we just use the best motion vector found for each frame by itself.
+ int comp_inter_joint_search_thresh;
+
+ // This variable is used to cap the maximum number of times we skip testing a
+ // mode to be evaluated. A high value means we will be faster.
+ int adaptive_rd_thresh;
+
+ // Enables skipping the reconstruction step (idct, recon) in the
+ // intermediate steps assuming the last frame didn't have too many intra
+ // blocks and the q is less than a threshold.
+ int skip_encode_sb;
+ int skip_encode_frame;
+ // Speed feature to allow or disallow skipping of recode at block
+ // level within a frame.
+ int allow_skip_recode;
+
+ // This variable allows us to reuse the last frames partition choices
+ // (64x64 v 32x32 etc) for this frame. It can be set to only use the last
+ // frame as a starting point in low motion scenes or always use it. If set
+ // we use last partitioning_redo frequency to determine how often to redo
+ // the partitioning from scratch. Adjust_partitioning_from_last_frame
+ // enables us to adjust up or down one partitioning from the last frames
+ // partitioning.
+ LAST_FRAME_PARTITION_METHOD use_lastframe_partitioning;
+
+ // Determine which method we use to determine transform size. We can choose
+ // between options like full rd, largest for prediction size, largest
+ // for intra and model coefs for the rest.
+ TX_SIZE_SEARCH_METHOD tx_size_search_method;
+
+ // Low precision 32x32 fdct keeps everything in 16 bits and thus is less
+ // precise but significantly faster than the non lp version.
+ int use_lp32x32fdct;
+
+ // TODO(JBB): remove this as its no longer used.
+
+ // After looking at the first set of modes (set by index here), skip
+ // checking modes for reference frames that don't match the reference frame
+ // of the best so far.
+ int mode_skip_start;
+
+ // TODO(JBB): Remove this.
+ int reference_masking;
+
+ PARTITION_SEARCH_TYPE partition_search_type;
+
+ // Used if partition_search_type = FIXED_SIZE_PARTITION
+ BLOCK_SIZE always_this_block_size;
+
+ // Skip rectangular partition test when partition type none gives better
+ // rd than partition type split.
+ int less_rectangular_check;
+
+ // Disable testing non square partitions. (eg 16x32)
+ int use_square_partition_only;
+
+ // Sets min and max partition sizes for this 64x64 region based on the
+ // same 64x64 in last encoded frame, and the left and above neighbor.
+ AUTO_MIN_MAX_MODE auto_min_max_partition_size;
+
+ // Min and max partition size we enable (block_size) as per auto
+ // min max, but also used by adjust partitioning, and pick_partitioning.
+ BLOCK_SIZE min_partition_size;
+ BLOCK_SIZE max_partition_size;
+
+ // Whether or not we allow partitions one smaller or one greater than the last
+ // frame's partitioning. Only used if use_lastframe_partitioning is set.
+ int adjust_partitioning_from_last_frame;
+
+ // How frequently we re do the partitioning from scratch. Only used if
+ // use_lastframe_partitioning is set.
+ int last_partitioning_redo_frequency;
+
+ // Disables sub 8x8 blocksizes in different scenarios: Choices are to disable
+ // it always, to allow it for only Last frame and Intra, disable it for all
+ // inter modes or to enable it always.
+ int disable_split_mask;
+
+ // TODO(jingning): combine the related motion search speed features
+ // This allows us to use motion search at other sizes as a starting
+ // point for this motion search and limits the search range around it.
+ int adaptive_motion_search;
+
+ // Allows sub 8x8 modes to use the prediction filter that was determined
+ // best for 8x8 mode. If set to 0 we always re check all the filters for
+ // sizes less than 8x8, 1 means we check all filter modes if no 8x8 filter
+ // was selected, and 2 means we use 8 tap if no 8x8 filter mode was selected.
+ int adaptive_pred_interp_filter;
+
+ // Search through variable block partition types in non-RD mode decision
+ // encoding process for RTC.
+ int partition_check;
+
+ // Implements various heuristics to skip searching modes
+ // The heuristics selected are based on flags
+ // defined in the MODE_SEARCH_SKIP_HEURISTICS enum
+ unsigned int mode_search_skip_flags;
+
+ // A source variance threshold below which the split mode is disabled
+ unsigned int disable_split_var_thresh;
+
+ // A source variance threshold below which filter search is disabled
+ // Choose a very large value (UINT_MAX) to use 8-tap always
+ unsigned int disable_filter_search_var_thresh;
+
+ // These bit masks allow you to enable or disable intra modes for each
+ // transform size separately.
+ int intra_y_mode_mask[TX_SIZES];
+ int intra_uv_mode_mask[TX_SIZES];
+
+ // This variable enables an early break out of mode testing if the model for
+ // rd built from the prediction signal indicates a value that's much
+ // higher than the best rd we've seen so far.
+ int use_rd_breakout;
+
+ // This enables us to use an estimate for intra rd based on dc mode rather
+ // than choosing an actual uv mode in the stage of encoding before the actual
+ // final encode.
+ int use_uv_intra_rd_estimate;
+
+ // This feature controls how the loop filter level is determined.
+ LPF_PICK_METHOD lpf_pick;
+
+ // This feature limits the number of coefficients updates we actually do
+ // by only looking at counts from 1/2 the bands.
+ int use_fast_coef_updates; // 0: 2-loop, 1: 1-loop, 2: 1-loop reduced
+
+ // This flag controls the use of non-RD mode decision.
+ int use_nonrd_pick_mode;
+
+ // This variable sets the encode_breakout threshold. Currently, it is only
+ // enabled in real time mode.
+ int encode_breakout_thresh;
+
+ // A binary mask indicating if NEARESTMV, NEARMV, ZEROMV, NEWMV
+ // modes are disabled in order from LSB to MSB for each BLOCK_SIZE.
+ int disable_inter_mode_mask[BLOCK_SIZES];
+
+ // This feature controls whether we do the expensive context update and
+ // calculation in the rd coefficient costing loop.
+ int use_fast_coef_costing;
+
+ // This variable controls the maximum block size where intra blocks can be
+ // used in inter frames.
+ // TODO(aconverse): Fold this into one of the other many mode skips
+ BLOCK_SIZE max_intra_bsize;
+} SPEED_FEATURES;
+
+struct VP9_COMP;
+
+void vp9_set_speed_features(struct VP9_COMP *cpi);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP9_ENCODER_VP9_SPEED_FEATURES_H_
+
VP9_CX_SRCS-yes += encoder/vp9_sad.c
VP9_CX_SRCS-yes += encoder/vp9_segmentation.c
VP9_CX_SRCS-yes += encoder/vp9_segmentation.h
+VP9_CX_SRCS-yes += encoder/vp9_speed_features.c
+VP9_CX_SRCS-yes += encoder/vp9_speed_features.h
VP9_CX_SRCS-yes += encoder/vp9_subexp.c
VP9_CX_SRCS-yes += encoder/vp9_subexp.h
VP9_CX_SRCS-yes += encoder/vp9_svc_layercontext.c
projects / libvpx / commitdiff