Coverage Report

Created: 2025-06-13 07:07

/src/aom/aom_dsp/grain_params.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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/*!\file
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 * \brief Describes film grain parameters
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 *
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 */
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#ifndef AOM_AOM_DSP_GRAIN_PARAMS_H_
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#define AOM_AOM_DSP_GRAIN_PARAMS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <string.h>
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#include "config/aom_config.h"
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/*!\brief Structure containing film grain synthesis parameters for a frame
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 *
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 * This structure contains input parameters for film grain synthesis
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 */
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typedef struct {
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  // This structure is compared element-by-element in the function
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  // aom_check_grain_params_equiv: this function must be updated if any changes
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  // are made to this structure.
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  int apply_grain;
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  int update_parameters;
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  // 8 bit values
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  int scaling_points_y[14][2];
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  int num_y_points;  // value: 0..14
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  // 8 bit values
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  int scaling_points_cb[10][2];
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  int num_cb_points;  // value: 0..10
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  // 8 bit values
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  int scaling_points_cr[10][2];
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  int num_cr_points;  // value: 0..10
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  int scaling_shift;  // values : 8..11
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  int ar_coeff_lag;  // values:  0..3
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  // 8 bit values
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  int ar_coeffs_y[24];
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  int ar_coeffs_cb[25];
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  int ar_coeffs_cr[25];
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  // Shift value: AR coeffs range
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  // 6: [-2, 2)
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  // 7: [-1, 1)
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  // 8: [-0.5, 0.5)
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  // 9: [-0.25, 0.25)
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  int ar_coeff_shift;  // values : 6..9
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  int cb_mult;       // 8 bits
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  int cb_luma_mult;  // 8 bits
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  int cb_offset;     // 9 bits
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  int cr_mult;       // 8 bits
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  int cr_luma_mult;  // 8 bits
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  int cr_offset;     // 9 bits
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  int overlap_flag;
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  int clip_to_restricted_range;
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  unsigned int bit_depth;  // video bit depth
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  int chroma_scaling_from_luma;
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  int grain_scale_shift;
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  uint16_t random_seed;
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  // This structure is compared element-by-element in the function
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  // aom_check_grain_params_equiv: this function must be updated if any changes
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  // are made to this structure.
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} aom_film_grain_t;
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/*!\brief Check if two film grain parameters structs are equivalent
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 *
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 * Check if two film grain parameters are equal, except for the
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 * update_parameters and random_seed elements which are ignored.
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 *
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 * \param[in]    pa               The first set of parameters to compare
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 * \param[in]    pb               The second set of parameters to compare
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 * \return       Returns 1 if the params are equivalent, 0 otherwise
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 */
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static inline int aom_check_grain_params_equiv(
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    const aom_film_grain_t *const pa, const aom_film_grain_t *const pb) {
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  if (pa->apply_grain != pb->apply_grain) return 0;
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  // Don't compare update_parameters
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0
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  if (pa->num_y_points != pb->num_y_points) return 0;
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  if (memcmp(pa->scaling_points_y, pb->scaling_points_y,
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             pa->num_y_points * 2 * sizeof(*pa->scaling_points_y)) != 0)
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    return 0;
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0
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  if (pa->num_cb_points != pb->num_cb_points) return 0;
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  if (memcmp(pa->scaling_points_cb, pb->scaling_points_cb,
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             pa->num_cb_points * 2 * sizeof(*pa->scaling_points_cb)) != 0)
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    return 0;
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0
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  if (pa->num_cr_points != pb->num_cr_points) return 0;
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  if (memcmp(pa->scaling_points_cr, pb->scaling_points_cr,
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             pa->num_cr_points * 2 * sizeof(*pa->scaling_points_cr)) != 0)
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    return 0;
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0
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  if (pa->scaling_shift != pb->scaling_shift) return 0;
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  if (pa->ar_coeff_lag != pb->ar_coeff_lag) return 0;
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0
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  const int num_pos = 2 * pa->ar_coeff_lag * (pa->ar_coeff_lag + 1);
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  if (memcmp(pa->ar_coeffs_y, pb->ar_coeffs_y,
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             num_pos * sizeof(*pa->ar_coeffs_y)) != 0)
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    return 0;
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  if (memcmp(pa->ar_coeffs_cb, pb->ar_coeffs_cb,
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             num_pos * sizeof(*pa->ar_coeffs_cb)) != 0)
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    return 0;
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  if (memcmp(pa->ar_coeffs_cr, pb->ar_coeffs_cr,
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             num_pos * sizeof(*pa->ar_coeffs_cr)) != 0)
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    return 0;
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0
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  if (pa->ar_coeff_shift != pb->ar_coeff_shift) return 0;
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0
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  if (pa->cb_mult != pb->cb_mult) return 0;
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  if (pa->cb_luma_mult != pb->cb_luma_mult) return 0;
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  if (pa->cb_offset != pb->cb_offset) return 0;
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  if (pa->cr_mult != pb->cr_mult) return 0;
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  if (pa->cr_luma_mult != pb->cr_luma_mult) return 0;
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  if (pa->cr_offset != pb->cr_offset) return 0;
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0
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  if (pa->overlap_flag != pb->overlap_flag) return 0;
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  if (pa->clip_to_restricted_range != pb->clip_to_restricted_range) return 0;
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  if (pa->bit_depth != pb->bit_depth) return 0;
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  if (pa->chroma_scaling_from_luma != pb->chroma_scaling_from_luma) return 0;
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  if (pa->grain_scale_shift != pb->grain_scale_shift) return 0;
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0
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  return 1;
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0
}
Unexecuted instantiation: av1_dx_iface.c:aom_check_grain_params_equiv
Unexecuted instantiation: decodeframe.c:aom_check_grain_params_equiv
Unexecuted instantiation: decodemv.c:aom_check_grain_params_equiv
Unexecuted instantiation: decoder.c:aom_check_grain_params_equiv
Unexecuted instantiation: decodetxb.c:aom_check_grain_params_equiv
Unexecuted instantiation: detokenize.c:aom_check_grain_params_equiv
Unexecuted instantiation: grain_synthesis.c:aom_check_grain_params_equiv
Unexecuted instantiation: obu.c:aom_check_grain_params_equiv
Unexecuted instantiation: alloccommon.c:aom_check_grain_params_equiv
Unexecuted instantiation: av1_loopfilter.c:aom_check_grain_params_equiv
Unexecuted instantiation: blockd.c:aom_check_grain_params_equiv
Unexecuted instantiation: cdef.c:aom_check_grain_params_equiv
Unexecuted instantiation: cdef_block.c:aom_check_grain_params_equiv
Unexecuted instantiation: cfl.c:aom_check_grain_params_equiv
Unexecuted instantiation: convolve.c:aom_check_grain_params_equiv
Unexecuted instantiation: entropy.c:aom_check_grain_params_equiv
Unexecuted instantiation: entropymode.c:aom_check_grain_params_equiv
Unexecuted instantiation: entropymv.c:aom_check_grain_params_equiv
Unexecuted instantiation: mvref_common.c:aom_check_grain_params_equiv
Unexecuted instantiation: pred_common.c:aom_check_grain_params_equiv
Unexecuted instantiation: quant_common.c:aom_check_grain_params_equiv
Unexecuted instantiation: reconinter.c:aom_check_grain_params_equiv
Unexecuted instantiation: reconintra.c:aom_check_grain_params_equiv
Unexecuted instantiation: resize.c:aom_check_grain_params_equiv
Unexecuted instantiation: restoration.c:aom_check_grain_params_equiv
Unexecuted instantiation: scan.c:aom_check_grain_params_equiv
Unexecuted instantiation: thread_common.c:aom_check_grain_params_equiv
Unexecuted instantiation: tile_common.c:aom_check_grain_params_equiv
Unexecuted instantiation: txb_common.c:aom_check_grain_params_equiv
Unexecuted instantiation: warped_motion.c:aom_check_grain_params_equiv
Unexecuted instantiation: cfl_sse2.c:aom_check_grain_params_equiv
Unexecuted instantiation: resize_sse2.c:aom_check_grain_params_equiv
Unexecuted instantiation: cfl_ssse3.c:aom_check_grain_params_equiv
Unexecuted instantiation: resize_ssse3.c:aom_check_grain_params_equiv
Unexecuted instantiation: av1_convolve_horiz_rs_sse4.c:aom_check_grain_params_equiv
Unexecuted instantiation: filterintra_sse4.c:aom_check_grain_params_equiv
Unexecuted instantiation: cfl_avx2.c:aom_check_grain_params_equiv
Unexecuted instantiation: resize_avx2.c:aom_check_grain_params_equiv
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#ifdef __cplusplus
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}  // extern "C"
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#endif
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#endif  // AOM_AOM_DSP_GRAIN_PARAMS_H_