rdopt.h 7.49 KB
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/*
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 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
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 *
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 * 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.
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 */

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#ifndef AV1_ENCODER_RDOPT_H_
#define AV1_ENCODER_RDOPT_H_
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#include "av1/common/blockd.h"
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#include "av1/encoder/block.h"
#include "av1/encoder/context_tree.h"
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#ifdef __cplusplus
extern "C" {
#endif

struct TileInfo;
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struct AV1_COMP;
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struct macroblock;
struct RD_COST;

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#if CONFIG_RD_DEBUG
static INLINE void av1_update_txb_coeff_cost(RD_STATS *rd_stats, int plane,
                                             TX_SIZE tx_size, int blk_row,
                                             int blk_col, int txb_coeff_cost) {
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  (void)blk_row;
  (void)blk_col;
  (void)tx_size;
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  rd_stats->txb_coeff_cost[plane] += txb_coeff_cost;

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#if CONFIG_VAR_TX
  {
    const int txb_h = tx_size_high_unit[tx_size];
    const int txb_w = tx_size_wide_unit[tx_size];
    int idx, idy;
    for (idy = 0; idy < txb_h; ++idy)
      for (idx = 0; idx < txb_w; ++idx)
        rd_stats->txb_coeff_cost_map[plane][blk_row + idy][blk_col + idx] = 0;
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    rd_stats->txb_coeff_cost_map[plane][blk_row][blk_col] = txb_coeff_cost;
  }
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  assert(blk_row < TXB_COEFF_COST_MAP_SIZE);
  assert(blk_col < TXB_COEFF_COST_MAP_SIZE);
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#endif
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}
#endif

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static INLINE void av1_init_rd_stats(RD_STATS *rd_stats) {
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#if CONFIG_RD_DEBUG
  int plane;
#endif
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  rd_stats->rate = 0;
  rd_stats->dist = 0;
  rd_stats->sse = 0;
  rd_stats->skip = 1;
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#if CONFIG_RD_DEBUG
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  for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
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    rd_stats->txb_coeff_cost[plane] = 0;
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#if CONFIG_VAR_TX
    {
      int r, c;
      for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)
        for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c)
          rd_stats->txb_coeff_cost_map[plane][r][c] = 0;
    }
#endif
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  }
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#endif
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}

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static INLINE void av1_invalid_rd_stats(RD_STATS *rd_stats) {
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#if CONFIG_RD_DEBUG
  int plane;
#endif
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  rd_stats->rate = INT_MAX;
  rd_stats->dist = INT64_MAX;
  rd_stats->sse = INT64_MAX;
  rd_stats->skip = 0;
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#if CONFIG_RD_DEBUG
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  for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
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    rd_stats->txb_coeff_cost[plane] = INT_MAX;
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#if CONFIG_VAR_TX
    {
      int r, c;
      for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)
        for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c)
          rd_stats->txb_coeff_cost_map[plane][r][c] = INT_MAX;
    }
#endif
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  }
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#endif
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}

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static INLINE void av1_merge_rd_stats(RD_STATS *rd_stats_dst,
                                      const RD_STATS *rd_stats_src) {
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#if CONFIG_RD_DEBUG
  int plane;
#endif
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  rd_stats_dst->rate += rd_stats_src->rate;
  rd_stats_dst->dist += rd_stats_src->dist;
  rd_stats_dst->sse += rd_stats_src->sse;
  rd_stats_dst->skip &= rd_stats_src->skip;
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#if CONFIG_RD_DEBUG
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  for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
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    rd_stats_dst->txb_coeff_cost[plane] += rd_stats_src->txb_coeff_cost[plane];
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#if CONFIG_VAR_TX
    {
      // TODO(angiebird): optimize this part
      int r, c;
      int ref_txb_coeff_cost = 0;
      for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)
        for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c) {
          rd_stats_dst->txb_coeff_cost_map[plane][r][c] +=
              rd_stats_src->txb_coeff_cost_map[plane][r][c];
          ref_txb_coeff_cost += rd_stats_dst->txb_coeff_cost_map[plane][r][c];
        }
      assert(ref_txb_coeff_cost == rd_stats_dst->txb_coeff_cost[plane]);
    }
#endif
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  }
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#endif
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}
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typedef enum OUTPUT_STATUS {
  OUTPUT_HAS_PREDICTED_PIXELS,
  OUTPUT_HAS_DECODED_PIXELS
} OUTPUT_STATUS;

void av1_dist_block(const AV1_COMP *cpi, MACROBLOCK *x, int plane,
                    BLOCK_SIZE plane_bsize, int block, int blk_row, int blk_col,
                    TX_SIZE tx_size, int64_t *out_dist, int64_t *out_sse,
                    OUTPUT_STATUS output_status);

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#if !CONFIG_PVQ || CONFIG_VAR_TX
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int av1_cost_coeffs(const AV1_COMMON *const cm, MACROBLOCK *x, int plane,
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                    int block, TX_SIZE tx_size, const SCAN_ORDER *scan_order,
                    const ENTROPY_CONTEXT *a, const ENTROPY_CONTEXT *l,
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                    int use_fast_coef_costing);
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#endif
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void av1_rd_pick_intra_mode_sb(const struct AV1_COMP *cpi, struct macroblock *x,
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                               struct RD_COST *rd_cost, BLOCK_SIZE bsize,
                               PICK_MODE_CONTEXT *ctx, int64_t best_rd);
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unsigned int av1_get_sby_perpixel_variance(const AV1_COMP *cpi,
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                                           const struct buf_2d *ref,
                                           BLOCK_SIZE bs);
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#if CONFIG_HIGHBITDEPTH
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unsigned int av1_high_get_sby_perpixel_variance(const AV1_COMP *cpi,
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                                                const struct buf_2d *ref,
                                                BLOCK_SIZE bs, int bd);
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#endif

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void av1_rd_pick_inter_mode_sb(const struct AV1_COMP *cpi,
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                               struct TileDataEnc *tile_data,
                               struct macroblock *x, int mi_row, int mi_col,
                               struct RD_COST *rd_cost,
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#if CONFIG_SUPERTX
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                               int *returnrate_nocoef,
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#endif  // CONFIG_SUPERTX
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                               BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx,
                               int64_t best_rd_so_far);
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void av1_rd_pick_inter_mode_sb_seg_skip(
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    const struct AV1_COMP *cpi, struct TileDataEnc *tile_data,
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    struct macroblock *x, int mi_row, int mi_col, struct RD_COST *rd_cost,
    BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx, int64_t best_rd_so_far);
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int av1_internal_image_edge(const struct AV1_COMP *cpi);
int av1_active_h_edge(const struct AV1_COMP *cpi, int mi_row, int mi_step);
int av1_active_v_edge(const struct AV1_COMP *cpi, int mi_col, int mi_step);
int av1_active_edge_sb(const struct AV1_COMP *cpi, int mi_row, int mi_col);
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void av1_rd_pick_inter_mode_sub8x8(const struct AV1_COMP *cpi,
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                                   struct TileDataEnc *tile_data,
                                   struct macroblock *x, int mi_row, int mi_col,
                                   struct RD_COST *rd_cost,
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#if CONFIG_SUPERTX
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                                   int *returnrate_nocoef,
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#endif  // CONFIG_SUPERTX
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                                   BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx,
                                   int64_t best_rd_so_far);
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#if CONFIG_MOTION_VAR && CONFIG_NCOBMC
void av1_check_ncobmc_rd(const struct AV1_COMP *cpi, struct macroblock *x,
                         int mi_row, int mi_col);
#endif  // CONFIG_MOTION_VAR && CONFIG_NCOBMC

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#if CONFIG_SUPERTX
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#if CONFIG_VAR_TX
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void av1_tx_block_rd_b(const AV1_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
                       int blk_row, int blk_col, int plane, int block,
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                       int plane_bsize, const ENTROPY_CONTEXT *a,
                       const ENTROPY_CONTEXT *l, RD_STATS *rd_stats);
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#endif

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void av1_txfm_rd_in_plane_supertx(MACROBLOCK *x, const AV1_COMP *cpi, int *rate,
                                  int64_t *distortion, int *skippable,
                                  int64_t *sse, int64_t ref_best_rd, int plane,
                                  BLOCK_SIZE bsize, TX_SIZE tx_size,
                                  int use_fast_coef_casting);
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#endif  // CONFIG_SUPERTX
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#ifdef __cplusplus
}  // extern "C"
#endif

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#endif  // AV1_ENCODER_RDOPT_H_