Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 390 insertions, 0 deletions

diff --git a/third_party/aom/av1/encoder/rd.h b/third_party/aom/av1/encoder/rd.h
new file mode 100644
index 0000000000..b38d9ca542
--- /dev/null
+++ b/third_party/aom/av1/encoder/rd.h
@@ -0,0 +1,390 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AV1_ENCODER_RD_H_
+#define AOM_AV1_ENCODER_RD_H_
+
+#include <limits.h>
+
+#include "av1/common/blockd.h"
+
+#include "av1/encoder/block.h"
+#include "av1/encoder/context_tree.h"
+#include "av1/encoder/cost.h"
+#include "av1/encoder/ratectrl.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RDDIV_BITS 7
+#define RD_EPB_SHIFT 6
+
+#define RDCOST(RM, R, D)                                            \
+  (ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT) + \
+   ((D) * (1 << RDDIV_BITS)))
+
+#define RDCOST_NEG_R(RM, R, D) \
+  (((D) * (1 << RDDIV_BITS)) - \
+   ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT))
+
+#define RDCOST_DBL_WITH_NATIVE_BD_DIST(RM, R, D, BD)               \
+  (((((double)(R)) * (RM)) / (double)(1 << AV1_PROB_COST_SHIFT)) + \
+   ((double)((D) >> (2 * (BD - 8))) * (1 << RDDIV_BITS)))
+
+#define QIDX_SKIP_THRESH 115
+
+#define MV_COST_WEIGHT 108
+#define MV_COST_WEIGHT_SUB 120
+
+// The fractional part of rd_thresh factor is stored with 5 bits. The maximum
+// factor that we allow is two, which is stored as 2 ** (5+1) = 64
+#define RD_THRESH_FAC_FRAC_BITS (5)
+#define RD_THRESH_FAC_FRAC_VAL (1 << (RD_THRESH_FAC_FRAC_BITS))
+#define RD_THRESH_MAX_FACT ((RD_THRESH_FAC_FRAC_VAL) << 1)
+#define RD_THRESH_LOG_DEC_FACTOR (4)
+#define RD_THRESH_INC (1)
+
+// Factor to weigh the rate for switchable interp filters.
+#define SWITCHABLE_INTERP_RATE_FACTOR 1
+
+// Macros for common video resolutions: width x height
+// For example, 720p represents video resolution of 1280x720 pixels.
+#define RESOLUTION_288P 352 * 288
+#define RESOLUTION_360P 640 * 360
+#define RESOLUTION_480P 640 * 480
+#define RESOLUTION_720P 1280 * 720
+#define RESOLUTION_1080P 1920 * 1080
+#define RESOLUTION_1440P 2560 * 1440
+#define RESOLUTION_4K 3840 * 2160
+
+#define RTC_REFS 4
+static const MV_REFERENCE_FRAME real_time_ref_combos[RTC_REFS][2] = {
+  { LAST_FRAME, NONE_FRAME },
+  { ALTREF_FRAME, NONE_FRAME },
+  { GOLDEN_FRAME, NONE_FRAME },
+  { INTRA_FRAME, NONE_FRAME }
+};
+
+static INLINE int mode_offset(const PREDICTION_MODE mode) {
+  if (mode >= NEARESTMV) {
+    return INTER_OFFSET(mode);
+  } else {
+    switch (mode) {
+      case DC_PRED: return 0;
+      case V_PRED: return 1;
+      case H_PRED: return 2;
+      case SMOOTH_PRED: return 3;
+      default: assert(0); return -1;
+    }
+  }
+}
+
+enum {
+  // Default initialization when we are not using winner mode framework. e.g.
+  // intrabc
+  DEFAULT_EVAL = 0,
+  // Initialization for selecting winner mode
+  MODE_EVAL,
+  // Initialization for winner mode evaluation
+  WINNER_MODE_EVAL,
+  // All mode evaluation types
+  MODE_EVAL_TYPES,
+} UENUM1BYTE(MODE_EVAL_TYPE);
+
+typedef struct RD_OPT {
+  // Thresh_mult is used to set a threshold for the rd score. A higher value
+  // means that we will accept the best mode so far more often. This number
+  // is used in combination with the current block size, and thresh_freq_fact
+  // to pick a threshold.
+  int thresh_mult[MAX_MODES];
+
+  int threshes[MAX_SEGMENTS][BLOCK_SIZES_ALL][MAX_MODES];
+
+  int RDMULT;
+
+  double r0;
+} RD_OPT;
+
+static INLINE void av1_init_rd_stats(RD_STATS *rd_stats) {
+#if CONFIG_RD_DEBUG
+  int plane;
+#endif
+  rd_stats->rate = 0;
+  rd_stats->dist = 0;
+  rd_stats->rdcost = 0;
+  rd_stats->sse = 0;
+  rd_stats->skip_txfm = 1;
+  rd_stats->zero_rate = 0;
+#if CONFIG_RD_DEBUG
+  // This may run into problems when monochrome video is
+  // encoded, as there will only be 1 plane
+  for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
+    rd_stats->txb_coeff_cost[plane] = 0;
+  }
+#endif
+}
+
+static INLINE void av1_invalid_rd_stats(RD_STATS *rd_stats) {
+#if CONFIG_RD_DEBUG
+  int plane;
+#endif
+  rd_stats->rate = INT_MAX;
+  rd_stats->dist = INT64_MAX;
+  rd_stats->rdcost = INT64_MAX;
+  rd_stats->sse = INT64_MAX;
+  rd_stats->skip_txfm = 0;
+  rd_stats->zero_rate = 0;
+#if CONFIG_RD_DEBUG
+  // This may run into problems when monochrome video is
+  // encoded, as there will only be 1 plane
+  for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
+    rd_stats->txb_coeff_cost[plane] = INT_MAX;
+  }
+#endif
+}
+
+static INLINE void av1_merge_rd_stats(RD_STATS *rd_stats_dst,
+                                      const RD_STATS *rd_stats_src) {
+  if (rd_stats_dst->rate == INT_MAX || rd_stats_src->rate == INT_MAX) {
+    // If rd_stats_dst or rd_stats_src has invalid rate, we will make
+    // rd_stats_dst invalid.
+    av1_invalid_rd_stats(rd_stats_dst);
+    return;
+  }
+  rd_stats_dst->rate = (int)AOMMIN(
+      ((int64_t)rd_stats_dst->rate + (int64_t)rd_stats_src->rate), INT_MAX);
+  if (!rd_stats_dst->zero_rate)
+    rd_stats_dst->zero_rate = rd_stats_src->zero_rate;
+  rd_stats_dst->dist += rd_stats_src->dist;
+  if (rd_stats_dst->sse < INT64_MAX && rd_stats_src->sse < INT64_MAX) {
+    rd_stats_dst->sse += rd_stats_src->sse;
+  }
+  rd_stats_dst->skip_txfm &= rd_stats_src->skip_txfm;
+#if CONFIG_RD_DEBUG
+  // This may run into problems when monochrome video is
+  // encoded, as there will only be 1 plane
+  for (int plane = 0; plane < MAX_MB_PLANE; ++plane) {
+    rd_stats_dst->txb_coeff_cost[plane] += rd_stats_src->txb_coeff_cost[plane];
+  }
+#endif
+}
+
+static INLINE void av1_accumulate_rd_stats(RD_STATS *rd_stats, int64_t dist,
+                                           int rate, int skip_txfm, int64_t sse,
+                                           int zero_rate) {
+  assert(rd_stats->rate != INT_MAX && rate != INT_MAX);
+  rd_stats->rate += rate;
+  if (!rd_stats->zero_rate) rd_stats->zero_rate = zero_rate;
+  rd_stats->dist += dist;
+  rd_stats->skip_txfm &= skip_txfm;
+  rd_stats->sse += sse;
+}
+
+static INLINE int64_t av1_calculate_rd_cost(int mult, int rate, int64_t dist) {
+  assert(mult >= 0);
+  if (rate >= 0) {
+    return RDCOST(mult, rate, dist);
+  }
+  return RDCOST_NEG_R(mult, -rate, dist);
+}
+
+static INLINE void av1_rd_cost_update(int mult, RD_STATS *rd_cost) {
+  if (rd_cost->rate < INT_MAX && rd_cost->dist < INT64_MAX &&
+      rd_cost->rdcost < INT64_MAX) {
+    rd_cost->rdcost = av1_calculate_rd_cost(mult, rd_cost->rate, rd_cost->dist);
+  } else {
+    av1_invalid_rd_stats(rd_cost);
+  }
+}
+
+static INLINE void av1_rd_stats_subtraction(int mult,
+                                            const RD_STATS *const left,
+                                            const RD_STATS *const right,
+                                            RD_STATS *result) {
+  if (left->rate == INT_MAX || right->rate == INT_MAX ||
+      left->dist == INT64_MAX || right->dist == INT64_MAX ||
+      left->rdcost == INT64_MAX || right->rdcost == INT64_MAX) {
+    av1_invalid_rd_stats(result);
+  } else {
+    result->rate = left->rate - right->rate;
+    result->dist = left->dist - right->dist;
+    result->rdcost = av1_calculate_rd_cost(mult, result->rate, result->dist);
+  }
+}
+
+struct TileInfo;
+struct TileDataEnc;
+struct AV1_COMP;
+struct macroblock;
+
+/*!\brief Compute rdmult based on q index and frame update type
+ *
+ * \param[in]       bit_depth       bit depth
+ * \param[in]       update_type     frame update type
+ * \param[in]       qindex          q index
+ *
+ * \return rdmult
+ */
+int av1_compute_rd_mult_based_on_qindex(aom_bit_depth_t bit_depth,
+                                        FRAME_UPDATE_TYPE update_type,
+                                        int qindex);
+
+int av1_compute_rd_mult(const int qindex, const aom_bit_depth_t bit_depth,
+                        const FRAME_UPDATE_TYPE update_type,
+                        const int layer_depth, const int boost_index,
+                        const FRAME_TYPE frame_type,
+                        const int use_fixed_qp_offsets,
+                        const int is_stat_consumption_stage);
+
+void av1_initialize_rd_consts(struct AV1_COMP *cpi);
+
+// Sets the multiplier to convert mv cost to l1 error during motion search.
+void av1_set_sad_per_bit(const struct AV1_COMP *cpi, int *sadperbit,
+                         int qindex);
+
+void av1_model_rd_from_var_lapndz(int64_t var, unsigned int n,
+                                  unsigned int qstep, int *rate, int64_t *dist);
+
+void av1_model_rd_curvfit(BLOCK_SIZE bsize, double sse_norm, double xqr,
+                          double *rate_f, double *distbysse_f);
+void av1_model_rd_surffit(BLOCK_SIZE bsize, double sse_norm, double xm,
+                          double yl, double *rate_f, double *distbysse_f);
+
+int av1_get_switchable_rate(const MACROBLOCK *x, const MACROBLOCKD *xd,
+                            InterpFilter interp_filter, int dual_filter);
+
+YV12_BUFFER_CONFIG *av1_get_scaled_ref_frame(const struct AV1_COMP *cpi,
+                                             int ref_frame);
+
+void av1_init_me_luts(void);
+
+void av1_set_mvcost(MACROBLOCK *x, int ref, int ref_mv_idx);
+
+void av1_get_entropy_contexts(BLOCK_SIZE plane_bsize,
+                              const struct macroblockd_plane *pd,
+                              ENTROPY_CONTEXT t_above[MAX_MIB_SIZE],
+                              ENTROPY_CONTEXT t_left[MAX_MIB_SIZE]);
+
+void av1_set_rd_speed_thresholds(struct AV1_COMP *cpi);
+
+void av1_update_rd_thresh_fact(const AV1_COMMON *const cm,
+                               int (*fact)[MAX_MODES], int rd_thresh,
+                               BLOCK_SIZE bsize, THR_MODES best_mode_index,
+                               THR_MODES inter_mode_start,
+                               THR_MODES inter_mode_end,
+                               THR_MODES intra_mode_start,
+                               THR_MODES intra_mode_end);
+
+static INLINE void reset_thresh_freq_fact(MACROBLOCK *const x) {
+  for (int i = 0; i < BLOCK_SIZES_ALL; ++i) {
+    for (int j = 0; j < MAX_MODES; ++j) {
+      x->thresh_freq_fact[i][j] = RD_THRESH_FAC_FRAC_VAL;
+    }
+  }
+}
+
+static INLINE int rd_less_than_thresh(int64_t best_rd, int64_t thresh,
+                                      int thresh_fact) {
+  return best_rd < (thresh * thresh_fact >> 5) || thresh == INT_MAX;
+}
+
+void av1_mv_pred(const struct AV1_COMP *cpi, MACROBLOCK *x,
+                 uint8_t *ref_y_buffer, int ref_y_stride, int ref_frame,
+                 BLOCK_SIZE block_size);
+
+// Sets the multiplier to convert mv cost to l2 error during motion search.
+static INLINE void av1_set_error_per_bit(int *errorperbit, int rdmult) {
+  *errorperbit = AOMMAX(rdmult >> RD_EPB_SHIFT, 1);
+}
+
+// Get the threshold for R-D optimization of coefficients depending upon mode
+// decision/winner mode processing
+static INLINE void get_rd_opt_coeff_thresh(
+    const uint32_t (*const coeff_opt_threshold)[2],
+    TxfmSearchParams *txfm_params, int enable_winner_mode_for_coeff_opt,
+    int is_winner_mode) {
+  if (!enable_winner_mode_for_coeff_opt) {
+    // Default initialization of threshold
+    txfm_params->coeff_opt_thresholds[0] = coeff_opt_threshold[DEFAULT_EVAL][0];
+    txfm_params->coeff_opt_thresholds[1] = coeff_opt_threshold[DEFAULT_EVAL][1];
+    return;
+  }
+  // TODO(any): Experiment with coeff_opt_dist_threshold values when
+  // enable_winner_mode_for_coeff_opt is ON
+  // TODO(any): Skip the winner mode processing for blocks with lower residual
+  // energy as R-D optimization of coefficients would have been enabled during
+  // mode decision
+
+  // Use conservative threshold during mode decision and perform R-D
+  // optimization of coeffs always for winner modes
+  if (is_winner_mode) {
+    txfm_params->coeff_opt_thresholds[0] =
+        coeff_opt_threshold[WINNER_MODE_EVAL][0];
+    txfm_params->coeff_opt_thresholds[1] =
+        coeff_opt_threshold[WINNER_MODE_EVAL][1];
+  } else {
+    txfm_params->coeff_opt_thresholds[0] = coeff_opt_threshold[MODE_EVAL][0];
+    txfm_params->coeff_opt_thresholds[1] = coeff_opt_threshold[MODE_EVAL][1];
+  }
+}
+
+// Used to reset the state of mb rd hash information
+static INLINE void reset_mb_rd_record(MB_RD_RECORD *const mb_rd_record) {
+  if (!mb_rd_record) return;
+
+  // Reset the state for use_mb_rd_hash
+  mb_rd_record->num = mb_rd_record->index_start = 0;
+}
+
+void av1_setup_pred_block(const MACROBLOCKD *xd,
+                          struct buf_2d dst[MAX_MB_PLANE],
+                          const YV12_BUFFER_CONFIG *src,
+                          const struct scale_factors *scale,
+                          const struct scale_factors *scale_uv,
+                          const int num_planes);
+
+int av1_get_intra_cost_penalty(int qindex, int qdelta,
+                               aom_bit_depth_t bit_depth);
+
+void av1_fill_mode_rates(AV1_COMMON *const cm, ModeCosts *mode_costs,
+                         FRAME_CONTEXT *fc);
+
+void av1_fill_lr_rates(ModeCosts *mode_costs, FRAME_CONTEXT *fc);
+
+void av1_fill_coeff_costs(CoeffCosts *coeff_costs, FRAME_CONTEXT *fc,
+                          const int num_planes);
+
+void av1_fill_mv_costs(const nmv_context *nmvc, int integer_mv, int usehp,
+                       MvCosts *mv_costs);
+
+void av1_fill_dv_costs(const nmv_context *ndvc, IntraBCMVCosts *dv_costs);
+
+int av1_get_adaptive_rdmult(const struct AV1_COMP *cpi, double beta);
+
+int av1_get_deltaq_offset(aom_bit_depth_t bit_depth, int qindex, double beta);
+
+/*!\brief Adjust current superblock's q_index based on delta q resolution
+ *
+ * \param[in]       delta_q_res       delta q resolution
+ * \param[in]       prev_qindex       previous superblock's q index
+ * \param[in]       curr_qindex       current superblock's q index
+ *
+ * \return the current superblock's adjusted q_index
+ */
+int av1_adjust_q_from_delta_q_res(int delta_q_res, int prev_qindex,
+                                  int curr_qindex);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AOM_AV1_ENCODER_RD_H_