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104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
#ifndef ML_INTRA_CU_DEPTH_PRED_H_
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#define ML_INTRA_CU_DEPTH_PRED_H_
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/*****************************************************************************
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* This file is part of uvg266 VVC encoder.
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*
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* Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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****************************************************************************/
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#include <stdio.h>
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#include "global.h" // IWYU pragma: keep
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#include "uvg266.h"
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#define LCU_DEPTH_MAT_SIZE 64
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#define RESTRAINED_FLAG 1
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#define pow2(x) ((x)*(x))
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#define CR_XMAX(x_px, block_size, width) (MIN((x_px) + (block_size), (width)) - (x_px))
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#define CR_YMAX(y_px, block_size, height) (MIN((y_px) + (block_size), (height)) - (y_px))
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#define CR_GET_X_LCU(lcu_id, nb_lcu_width) (((lcu_id) % (nb_lcu_width)) << 6)
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#define CR_GET_Y_LCU(lcu_id, nb_lcu_width) (((lcu_id) / (nb_lcu_width)) << 6)
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#define CR_GET_CU_D3(x, y, depth) ((x)*(1 << (3-depth)) + ((y) << (6 - depth)))
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#define CR_GET_CU_D4(x, y, depth) ((x)*(1 << (4-depth)) + ((y) << (8 - depth)))
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#define CR_GET_DEPTH_MIN(x, y, depth_min_mat) *(depth_min_mat + (x >> 3) + ((y >> 3) << 3))
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#define CR_GET_DEPTH_MAX(x, y, depth_max_mat) *(depth_max_mat + (x >> 3) + ((y >> 3) << 3))
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typedef struct {
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int32_t x;
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int32_t y;
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}vect_2D;
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// Structure used for the CTU depth prediction using Machine Learning
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// in All Intra
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typedef struct {
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/*!< Number of depth to add to the QT prediction in ''one-shot'' */
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int8_t i_nb_addDepth;
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/*!< Apply an extra Upper Expansion in the upper_depth */
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bool b_extra_up_exp;
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/*!< Matrix used to store the upper and lower QT prediction*/
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uint8_t* _mat_upper_depth;
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uint8_t* _mat_lower_depth;
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} ml_intra_ctu_pred_t;
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/*
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* brief generic structure used for the features
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*
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*/
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typedef struct {
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double variance;
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double merge_variance;
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double sub_variance_0;
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double sub_variance_1;
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double sub_variance_2;
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double sub_variance_3;
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double neigh_variance_A;
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double neigh_variance_B;
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double neigh_variance_C;
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double var_of_sub_mean;
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int qp;
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//int NB_pixels;
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double var_of_sub_var;
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}features_s;
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typedef int (*tree_predict)(features_s*, double*, double*);
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ml_intra_ctu_pred_t* uvg_init_ml_intra_depth_const(void);
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void uvg_end_ml_intra_depth_const(ml_intra_ctu_pred_t * ml_intra_depth_ctu);
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void uvg_lcu_luma_depth_pred(ml_intra_ctu_pred_t* ml_intra_depth_ctu, uvg_pixel* luma_px, int8_t qp);
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#endif
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