1 files changed, 235 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/vp9_rd.h b/media/libvpx/libvpx/vp9/encoder/vp9_rd.h
new file mode 100644
index 0000000000..6c61ae514a
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/encoder/vp9_rd.h
@@ -0,0 +1,235 @@
+/*
+ *  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 VPX_VP9_ENCODER_VP9_RD_H_
+#define VPX_VP9_ENCODER_VP9_RD_H_
+
+#include <limits.h>
+
+#include "vp9/common/vp9_blockd.h"
+
+#include "vp9/encoder/vp9_block.h"
+#include "vp9/encoder/vp9_context_tree.h"
+#include "vp9/encoder/vp9_cost.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RDDIV_BITS 7
+#define RD_EPB_SHIFT 6
+
+#define RDCOST(RM, DM, R, D) \
+  ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), VP9_PROB_COST_SHIFT) + ((D) << (DM))
+#define RDCOST_NEG_R(RM, DM, R, D) \
+  ((D) << (DM)) - ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), VP9_PROB_COST_SHIFT)
+#define RDCOST_NEG_D(RM, DM, R, D) \
+  ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), VP9_PROB_COST_SHIFT) - ((D) << (DM))
+
+#define QIDX_SKIP_THRESH 115
+
+#define MV_COST_WEIGHT 108
+#define MV_COST_WEIGHT_SUB 120
+
+#define MAX_MODES 30
+#define MAX_REFS 6
+
+#define RD_THRESH_INIT_FACT 32
+#define RD_THRESH_MAX_FACT 64
+#define RD_THRESH_INC 1
+
+#define VP9_DIST_SCALE_LOG2 4
+#define VP9_DIST_SCALE (1 << VP9_DIST_SCALE_LOG2)
+
+// This enumerator type needs to be kept aligned with the mode order in
+// const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code.
+typedef enum {
+  THR_NEARESTMV,
+  THR_NEARESTA,
+  THR_NEARESTG,
+
+  THR_DC,
+
+  THR_NEWMV,
+  THR_NEWA,
+  THR_NEWG,
+
+  THR_NEARMV,
+  THR_NEARA,
+  THR_NEARG,
+
+  THR_ZEROMV,
+  THR_ZEROG,
+  THR_ZEROA,
+
+  THR_COMP_NEARESTLA,
+  THR_COMP_NEARESTGA,
+
+  THR_TM,
+
+  THR_COMP_NEARLA,
+  THR_COMP_NEWLA,
+  THR_COMP_NEARGA,
+  THR_COMP_NEWGA,
+
+  THR_COMP_ZEROLA,
+  THR_COMP_ZEROGA,
+
+  THR_H_PRED,
+  THR_V_PRED,
+  THR_D135_PRED,
+  THR_D207_PRED,
+  THR_D153_PRED,
+  THR_D63_PRED,
+  THR_D117_PRED,
+  THR_D45_PRED,
+} THR_MODES;
+
+typedef enum {
+  THR_LAST,
+  THR_GOLD,
+  THR_ALTR,
+  THR_COMP_LA,
+  THR_COMP_GA,
+  THR_INTRA,
+} THR_MODES_SUB8X8;
+
+typedef struct {
+  // RD multiplier control factors added for Vizier project.
+  double rd_mult_inter_qp_fac;
+  double rd_mult_arf_qp_fac;
+  double rd_mult_key_qp_fac;
+} RD_CONTROL;
+
+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 thresh_mult_sub8x8[MAX_REFS];
+
+  int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
+
+  int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
+
+  int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
+  int64_t prediction_type_threshes_prev[MAX_REF_FRAMES][REFERENCE_MODES];
+
+  int64_t filter_threshes_prev[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
+  int RDMULT;
+  int RDDIV;
+  double r0;
+} RD_OPT;
+
+typedef struct RD_COST {
+  int rate;
+  int64_t dist;
+  int64_t rdcost;
+} RD_COST;
+
+// Reset the rate distortion cost values to maximum (invalid) value.
+void vp9_rd_cost_reset(RD_COST *rd_cost);
+// Initialize the rate distortion cost values to zero.
+void vp9_rd_cost_init(RD_COST *rd_cost);
+// It supports negative rate and dist, which is different from RDCOST().
+int64_t vp9_calculate_rd_cost(int mult, int div, int rate, int64_t dist);
+// Update the cost value based on its rate and distortion.
+void vp9_rd_cost_update(int mult, int div, RD_COST *rd_cost);
+
+struct TileInfo;
+struct TileDataEnc;
+struct VP9_COMP;
+struct macroblock;
+
+void vp9_init_rd_parameters(struct VP9_COMP *cpi);
+
+int vp9_compute_rd_mult_based_on_qindex(const struct VP9_COMP *cpi, int qindex);
+
+int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex);
+
+int vp9_get_adaptive_rdmult(const struct VP9_COMP *cpi, double beta);
+
+void vp9_initialize_rd_consts(struct VP9_COMP *cpi);
+
+void vp9_initialize_me_consts(struct VP9_COMP *cpi, MACROBLOCK *x, int qindex);
+
+void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n_log2,
+                                  unsigned int qstep, int *rate, int64_t *dist);
+
+int vp9_get_switchable_rate(const struct VP9_COMP *cpi,
+                            const MACROBLOCKD *const xd);
+
+int vp9_raster_block_offset(BLOCK_SIZE plane_bsize, int raster_block,
+                            int stride);
+
+int16_t *vp9_raster_block_offset_int16(BLOCK_SIZE plane_bsize, int raster_block,
+                                       int16_t *base);
+
+YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi,
+                                             int ref_frame);
+
+void vp9_init_me_luts(void);
+
+void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
+                              const struct macroblockd_plane *pd,
+                              ENTROPY_CONTEXT t_above[16],
+                              ENTROPY_CONTEXT t_left[16]);
+
+void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi);
+
+void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi);
+
+void vp9_update_rd_thresh_fact(int (*factor_buf)[MAX_MODES], int rd_thresh,
+                               int bsize, int best_mode_index);
+
+static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,
+                                      const int *const thresh_fact) {
+  return best_rd < ((int64_t)thresh * (*thresh_fact) >> 5) || thresh == INT_MAX;
+}
+
+static INLINE void set_error_per_bit(MACROBLOCK *x, int rdmult) {
+  x->errorperbit = rdmult >> RD_EPB_SHIFT;
+  x->errorperbit += (x->errorperbit == 0);
+}
+
+void vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x, uint8_t *ref_y_buffer,
+                 int ref_y_stride, int ref_frame, BLOCK_SIZE block_size);
+
+void vp9_setup_pred_block(const MACROBLOCKD *xd,
+                          struct buf_2d dst[MAX_MB_PLANE],
+                          const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
+                          const struct scale_factors *scale,
+                          const struct scale_factors *scale_uv);
+
+int vp9_get_intra_cost_penalty(const struct VP9_COMP *const cpi,
+                               BLOCK_SIZE bsize, int qindex, int qdelta);
+
+unsigned int vp9_get_sby_variance(struct VP9_COMP *cpi,
+                                  const struct buf_2d *ref, BLOCK_SIZE bs);
+unsigned int vp9_get_sby_perpixel_variance(struct VP9_COMP *cpi,
+                                           const struct buf_2d *ref,
+                                           BLOCK_SIZE bs);
+#if CONFIG_VP9_HIGHBITDEPTH
+unsigned int vp9_high_get_sby_variance(struct VP9_COMP *cpi,
+                                       const struct buf_2d *ref, BLOCK_SIZE bs,
+                                       int bd);
+unsigned int vp9_high_get_sby_perpixel_variance(struct VP9_COMP *cpi,
+                                                const struct buf_2d *ref,
+                                                BLOCK_SIZE bs, int bd);
+#endif
+
+void vp9_build_inter_mode_cost(struct VP9_COMP *cpi);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VP9_ENCODER_VP9_RD_H_