Coverage Report

Created: 2022-08-24 06:11

/src/aom/av1/encoder/encodemb.h
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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
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 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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 * was not distributed with this source code in the LICENSE file, you can
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 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
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 * Media Patent License 1.0 was not distributed with this source code in the
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 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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 */
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#ifndef AOM_AV1_ENCODER_ENCODEMB_H_
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#define AOM_AV1_ENCODER_ENCODEMB_H_
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#include "config/aom_config.h"
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#include "av1/common/av1_common_int.h"
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#include "av1/common/txb_common.h"
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#include "av1/encoder/av1_quantize.h"
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#include "av1/encoder/block.h"
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#include "av1/encoder/tokenize.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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  AV1_XFORM_QUANT_FP = 0,
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  AV1_XFORM_QUANT_B = 1,
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  AV1_XFORM_QUANT_DC = 2,
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  AV1_XFORM_QUANT_SKIP_QUANT,
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  AV1_XFORM_QUANT_TYPES,
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} UENUM1BYTE(AV1_XFORM_QUANT);
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// TODO(any): Merge OPT_TYPe and TRELLLIS_OPT_TYPE
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// Available optimization types to optimize the quantized coefficients.
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enum {
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  NONE_OPT = 0,            // No optimization.
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  TRELLIS_OPT = 1,         // Trellis optimization. See `av1_optimize_b()`.
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  DROPOUT_OPT = 2,         // Dropout optimization. See `av1_dropout_qcoeff()`.
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  TRELLIS_DROPOUT_OPT = 3  // Perform dropout after trellis optimization.
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} UENUM1BYTE(OPT_TYPE);
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enum {
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  NO_TRELLIS_OPT,          // No trellis optimization
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  FULL_TRELLIS_OPT,        // Trellis optimization in all stages
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  FINAL_PASS_TRELLIS_OPT,  // Trellis optimization in only the final encode pass
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  NO_ESTIMATE_YRD_TRELLIS_OPT  // Disable trellis in estimate_yrd_for_sb
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} UENUM1BYTE(TRELLIS_OPT_TYPE);
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struct optimize_ctx {
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  ENTROPY_CONTEXT ta[MAX_MB_PLANE][MAX_MIB_SIZE];
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  ENTROPY_CONTEXT tl[MAX_MB_PLANE][MAX_MIB_SIZE];
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};
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struct encode_b_args {
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  const struct AV1_COMP *cpi;
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  MACROBLOCK *x;
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  struct optimize_ctx *ctx;
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  int8_t *skip;
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  ENTROPY_CONTEXT *ta;
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  ENTROPY_CONTEXT *tl;
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  RUN_TYPE dry_run;
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  TRELLIS_OPT_TYPE enable_optimize_b;
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};
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void av1_encode_sb(const struct AV1_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize,
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                   RUN_TYPE dry_run);
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void av1_foreach_transformed_block_in_plane(
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    const MACROBLOCKD *const xd, BLOCK_SIZE plane_bsize, int plane,
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    foreach_transformed_block_visitor visit, void *arg);
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void av1_encode_sby_pass1(struct AV1_COMP *cpi, MACROBLOCK *x,
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                          BLOCK_SIZE bsize);
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void av1_setup_xform(const AV1_COMMON *cm, MACROBLOCK *x, TX_SIZE tx_size,
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                     TX_TYPE tx_type, TxfmParam *txfm_param);
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void av1_setup_quant(TX_SIZE tx_size, int use_optimize_b, int xform_quant_idx,
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                     int use_quant_b_adapt, QUANT_PARAM *qparam);
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void av1_setup_qmatrix(const CommonQuantParams *quant_params,
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                       const MACROBLOCKD *xd, int plane, TX_SIZE tx_size,
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                       TX_TYPE tx_type, QUANT_PARAM *qparam);
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void av1_xform_dc_only(MACROBLOCK *x, int plane, int block,
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                       TxfmParam *txfm_param, int64_t per_px_mean);
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void av1_xform_quant(MACROBLOCK *x, int plane, int block, int blk_row,
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                     int blk_col, BLOCK_SIZE plane_bsize, TxfmParam *txfm_param,
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                     const QUANT_PARAM *qparam);
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void av1_xform(MACROBLOCK *x, int plane, int block, int blk_row, int blk_col,
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               BLOCK_SIZE plane_bsize, TxfmParam *txfm_param);
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void av1_quant(MACROBLOCK *x, int plane, int block, TxfmParam *txfm_param,
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               const QUANT_PARAM *qparam);
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int av1_optimize_b(const struct AV1_COMP *cpi, MACROBLOCK *mb, int plane,
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                   int block, TX_SIZE tx_size, TX_TYPE tx_type,
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                   const TXB_CTX *const txb_ctx, int *rate_cost);
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// This function can be used as (i) a further optimization to reduce the
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// redundancy of quantized coefficients (a.k.a., `qcoeff`) after trellis
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// optimization, or (ii) an alternative to trellis optimization in high-speed
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// compression mode (e.g., real-time mode under speed-6) due to its LOW time
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// complexity. The rational behind is to drop out the may-be redundant quantized
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// coefficient which is among a bunch of zeros. NOTE: This algorithm is not as
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// accurate as trellis optimization since the hyper-parameters are hard-coded
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// instead of dynamic search. More adaptive logic may improve the performance.
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// This function should be applied to all or partical block cells.
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// Inputs:
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//   mb: Pointer to the MACROBLOCK to perform dropout on.
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//   plane: Index of the plane to which the target block belongs.
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//   block: Index of the target block.
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//   tx_size: Transform size of the target block.
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//   tx_type: Transform type of the target block. This field is particularly
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//            used to find out the scan order of the block.
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//   qindex: Quantization index used for target block. In general, all blocks
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//           in a same plane share the same quantization index. This field is
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//           particularly used to determine how many zeros should be used to
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//           drop out a coefficient.
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// Returns:
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//   Nothing will be returned, but `qcoeff`, `dqcoeff`, `eob`, as well as
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//   `txb_entropy_ctx`, which `mb` points to, may be modified by this function.
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void av1_dropout_qcoeff(MACROBLOCK *mb, int plane, int block, TX_SIZE tx_size,
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                        TX_TYPE tx_type, int qindex);
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// Same as above, with the number of zeroes needed before/after a coeff to drop
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// it explicitly passed in, instead of being derived from qindex.
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void av1_dropout_qcoeff_num(MACROBLOCK *mb, int plane, int block,
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                            TX_SIZE tx_size, TX_TYPE tx_type,
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                            int dropout_num_before, int dropout_num_after);
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void av1_subtract_block(BitDepthInfo bd_info, int rows, int cols, int16_t *diff,
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                        ptrdiff_t diff_stride, const uint8_t *src8,
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                        ptrdiff_t src_stride, const uint8_t *pred8,
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                        ptrdiff_t pred_stride);
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void av1_subtract_txb(MACROBLOCK *x, int plane, BLOCK_SIZE plane_bsize,
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                      int blk_col, int blk_row, TX_SIZE tx_size);
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void av1_subtract_plane(MACROBLOCK *x, BLOCK_SIZE plane_bsize, int plane);
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static INLINE void av1_set_txb_context(MACROBLOCK *x, int plane, int block,
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                                       TX_SIZE tx_size, ENTROPY_CONTEXT *a,
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                                       ENTROPY_CONTEXT *l) {
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  const uint8_t ctx = x->plane[plane].txb_entropy_ctx[block];
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  memset(a, ctx, tx_size_wide_unit[tx_size] * sizeof(*a));
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  memset(l, ctx, tx_size_high_unit[tx_size] * sizeof(*l));
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}
Unexecuted instantiation: av1_cx_iface.c:av1_set_txb_context
Unexecuted instantiation: av1_quantize.c:av1_set_txb_context
Unexecuted instantiation: bitstream.c:av1_set_txb_context
Unexecuted instantiation: encodemv.c:av1_set_txb_context
Unexecuted instantiation: encoder.c:av1_set_txb_context
Unexecuted instantiation: encoder_utils.c:av1_set_txb_context
Unexecuted instantiation: encodetxb.c:av1_set_txb_context
Unexecuted instantiation: ethread.c:av1_set_txb_context
Unexecuted instantiation: firstpass.c:av1_set_txb_context
Unexecuted instantiation: global_motion_facade.c:av1_set_txb_context
Unexecuted instantiation: level.c:av1_set_txb_context
Unexecuted instantiation: lookahead.c:av1_set_txb_context
Unexecuted instantiation: mcomp.c:av1_set_txb_context
Unexecuted instantiation: mv_prec.c:av1_set_txb_context
Unexecuted instantiation: palette.c:av1_set_txb_context
Unexecuted instantiation: pass2_strategy.c:av1_set_txb_context
Unexecuted instantiation: pickcdef.c:av1_set_txb_context
Unexecuted instantiation: picklpf.c:av1_set_txb_context
Unexecuted instantiation: pickrst.c:av1_set_txb_context
Unexecuted instantiation: ratectrl.c:av1_set_txb_context
Unexecuted instantiation: rd.c:av1_set_txb_context
Unexecuted instantiation: rdopt.c:av1_set_txb_context
Unexecuted instantiation: segmentation.c:av1_set_txb_context
Unexecuted instantiation: speed_features.c:av1_set_txb_context
Unexecuted instantiation: superres_scale.c:av1_set_txb_context
Unexecuted instantiation: svc_layercontext.c:av1_set_txb_context
Unexecuted instantiation: temporal_filter.c:av1_set_txb_context
Unexecuted instantiation: thirdpass.c:av1_set_txb_context
Unexecuted instantiation: tokenize.c:av1_set_txb_context
Unexecuted instantiation: tpl_model.c:av1_set_txb_context
Unexecuted instantiation: tx_search.c:av1_set_txb_context
Unexecuted instantiation: txb_rdopt.c:av1_set_txb_context
Unexecuted instantiation: intra_mode_search.c:av1_set_txb_context
Unexecuted instantiation: var_based_part.c:av1_set_txb_context
Unexecuted instantiation: av1_noise_estimate.c:av1_set_txb_context
Unexecuted instantiation: aq_complexity.c:av1_set_txb_context
Unexecuted instantiation: aq_cyclicrefresh.c:av1_set_txb_context
Unexecuted instantiation: aq_variance.c:av1_set_txb_context
Unexecuted instantiation: allintra_vis.c:av1_set_txb_context
Unexecuted instantiation: compound_type.c:av1_set_txb_context
Unexecuted instantiation: context_tree.c:av1_set_txb_context
Unexecuted instantiation: encodeframe.c:av1_set_txb_context
Unexecuted instantiation: encodeframe_utils.c:av1_set_txb_context
Unexecuted instantiation: encodemb.c:av1_set_txb_context
Unexecuted instantiation: encode_strategy.c:av1_set_txb_context
Unexecuted instantiation: global_motion.c:av1_set_txb_context
Unexecuted instantiation: gop_structure.c:av1_set_txb_context
Unexecuted instantiation: interp_search.c:av1_set_txb_context
Unexecuted instantiation: motion_search_facade.c:av1_set_txb_context
Unexecuted instantiation: partition_search.c:av1_set_txb_context
Unexecuted instantiation: partition_strategy.c:av1_set_txb_context
Unexecuted instantiation: nonrd_pickmode.c:av1_set_txb_context
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void av1_encode_block_intra(int plane, int block, int blk_row, int blk_col,
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                            BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg);
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void av1_encode_intra_block_plane(const struct AV1_COMP *cpi, MACROBLOCK *x,
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                                  BLOCK_SIZE bsize, int plane, RUN_TYPE dry_run,
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                                  TRELLIS_OPT_TYPE enable_optimize_b);
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static INLINE int is_trellis_used(TRELLIS_OPT_TYPE optimize_b,
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                                  RUN_TYPE dry_run) {
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  if (optimize_b == NO_TRELLIS_OPT) return false;
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  if (optimize_b == FINAL_PASS_TRELLIS_OPT && dry_run != OUTPUT_ENABLED)
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    return false;
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  return true;
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}
Unexecuted instantiation: av1_cx_iface.c:is_trellis_used
Unexecuted instantiation: av1_quantize.c:is_trellis_used
Unexecuted instantiation: bitstream.c:is_trellis_used
Unexecuted instantiation: encodemv.c:is_trellis_used
Unexecuted instantiation: encoder.c:is_trellis_used
Unexecuted instantiation: encoder_utils.c:is_trellis_used
Unexecuted instantiation: encodetxb.c:is_trellis_used
Unexecuted instantiation: ethread.c:is_trellis_used
Unexecuted instantiation: firstpass.c:is_trellis_used
Unexecuted instantiation: global_motion_facade.c:is_trellis_used
Unexecuted instantiation: level.c:is_trellis_used
Unexecuted instantiation: lookahead.c:is_trellis_used
Unexecuted instantiation: mcomp.c:is_trellis_used
Unexecuted instantiation: mv_prec.c:is_trellis_used
Unexecuted instantiation: palette.c:is_trellis_used
Unexecuted instantiation: pass2_strategy.c:is_trellis_used
Unexecuted instantiation: pickcdef.c:is_trellis_used
Unexecuted instantiation: picklpf.c:is_trellis_used
Unexecuted instantiation: pickrst.c:is_trellis_used
Unexecuted instantiation: ratectrl.c:is_trellis_used
Unexecuted instantiation: rd.c:is_trellis_used
Unexecuted instantiation: rdopt.c:is_trellis_used
Unexecuted instantiation: segmentation.c:is_trellis_used
Unexecuted instantiation: speed_features.c:is_trellis_used
Unexecuted instantiation: superres_scale.c:is_trellis_used
Unexecuted instantiation: svc_layercontext.c:is_trellis_used
Unexecuted instantiation: temporal_filter.c:is_trellis_used
Unexecuted instantiation: thirdpass.c:is_trellis_used
Unexecuted instantiation: tokenize.c:is_trellis_used
Unexecuted instantiation: tpl_model.c:is_trellis_used
Unexecuted instantiation: tx_search.c:is_trellis_used
Unexecuted instantiation: txb_rdopt.c:is_trellis_used
Unexecuted instantiation: intra_mode_search.c:is_trellis_used
Unexecuted instantiation: var_based_part.c:is_trellis_used
Unexecuted instantiation: av1_noise_estimate.c:is_trellis_used
Unexecuted instantiation: aq_complexity.c:is_trellis_used
Unexecuted instantiation: aq_cyclicrefresh.c:is_trellis_used
Unexecuted instantiation: aq_variance.c:is_trellis_used
Unexecuted instantiation: allintra_vis.c:is_trellis_used
Unexecuted instantiation: compound_type.c:is_trellis_used
Unexecuted instantiation: context_tree.c:is_trellis_used
Unexecuted instantiation: encodeframe.c:is_trellis_used
Unexecuted instantiation: encodeframe_utils.c:is_trellis_used
Unexecuted instantiation: encodemb.c:is_trellis_used
Unexecuted instantiation: encode_strategy.c:is_trellis_used
Unexecuted instantiation: global_motion.c:is_trellis_used
Unexecuted instantiation: gop_structure.c:is_trellis_used
Unexecuted instantiation: interp_search.c:is_trellis_used
Unexecuted instantiation: motion_search_facade.c:is_trellis_used
Unexecuted instantiation: partition_search.c:is_trellis_used
Unexecuted instantiation: partition_strategy.c:is_trellis_used
Unexecuted instantiation: nonrd_pickmode.c:is_trellis_used
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// Scaling terms (precision of 12 bits) to perform tx-size specific
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// normalization that is used in DCT_DCT forward transform.
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// For transform blocks of 1:2 and 2:1       - sqrt(2) normalization is used
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// For transform blocks of 1:4 and 4:1       - factor of 2 is used
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// For transform blocks TX_8x8 and below     - an additional factor of 2 is used
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// For transform blocks max(width,height)=64 - currently not supported
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static const uint16_t dc_coeff_scale[TX_SIZES_ALL] = {
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  1024, 2048, 4096, 4096, 0,    1448, 1448, 2896, 2896, 2896,
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  2896, 0,    0,    2048, 2048, 4096, 4096, 0,    0
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};
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#ifdef __cplusplus
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}  // extern "C"
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#endif
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#endif  // AOM_AV1_ENCODER_ENCODEMB_H_