Coverage Report

Created: 2025-06-13 07:07

/src/aom/aom_dsp/recenter.h
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/*
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 * Copyright (c) 2018, 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_AOM_DSP_RECENTER_H_
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#define AOM_AOM_DSP_RECENTER_H_
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#include "config/aom_config.h"
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#include "aom/aom_integer.h"
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// Inverse recenters a non-negative literal v around a reference r
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static inline uint16_t inv_recenter_nonneg(uint16_t r, uint16_t v) {
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  if (v > (r << 1))
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    return v;
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  else if ((v & 1) == 0)
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    return (v >> 1) + r;
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  else
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    return r - ((v + 1) >> 1);
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}
bitreader_buffer.c:inv_recenter_nonneg
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static inline uint16_t inv_recenter_nonneg(uint16_t r, uint16_t v) {
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  if (v > (r << 1))
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    return v;
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  else if ((v & 1) == 0)
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    return (v >> 1) + r;
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  else
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    return r - ((v + 1) >> 1);
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}
binary_codes_reader.c:inv_recenter_nonneg
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384k
static inline uint16_t inv_recenter_nonneg(uint16_t r, uint16_t v) {
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  if (v > (r << 1))
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    return v;
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  else if ((v & 1) == 0)
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    return (v >> 1) + r;
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  else
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    return r - ((v + 1) >> 1);
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}
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// Inverse recenters a non-negative literal v in [0, n-1] around a
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// reference r also in [0, n-1]
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static inline uint16_t inv_recenter_finite_nonneg(uint16_t n, uint16_t r,
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                                                  uint16_t v) {
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  if ((r << 1) <= n) {
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    return inv_recenter_nonneg(r, v);
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  } else {
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    return n - 1 - inv_recenter_nonneg(n - 1 - r, v);
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  }
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}
bitreader_buffer.c:inv_recenter_finite_nonneg
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                                                  uint16_t v) {
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  if ((r << 1) <= n) {
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    return inv_recenter_nonneg(r, v);
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  } else {
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    return n - 1 - inv_recenter_nonneg(n - 1 - r, v);
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  }
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}
binary_codes_reader.c:inv_recenter_finite_nonneg
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                                                  uint16_t v) {
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  if ((r << 1) <= n) {
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    return inv_recenter_nonneg(r, v);
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  } else {
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    return n - 1 - inv_recenter_nonneg(n - 1 - r, v);
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  }
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}
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// Recenters a non-negative literal v around a reference r
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static inline uint16_t recenter_nonneg(uint16_t r, uint16_t v) {
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  if (v > (r << 1))
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    return v;
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  else if (v >= r)
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    return ((v - r) << 1);
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  else
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    return ((r - v) << 1) - 1;
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}
Unexecuted instantiation: bitreader_buffer.c:recenter_nonneg
Unexecuted instantiation: binary_codes_reader.c:recenter_nonneg
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// Recenters a non-negative literal v in [0, n-1] around a
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// reference r also in [0, n-1]
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static inline uint16_t recenter_finite_nonneg(uint16_t n, uint16_t r,
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0
                                              uint16_t v) {
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  if ((r << 1) <= n) {
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    return recenter_nonneg(r, v);
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  } else {
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    return recenter_nonneg(n - 1 - r, n - 1 - v);
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  }
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}
Unexecuted instantiation: bitreader_buffer.c:recenter_finite_nonneg
Unexecuted instantiation: binary_codes_reader.c:recenter_finite_nonneg
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#endif  // AOM_AOM_DSP_RECENTER_H_