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82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*****************************************************************************
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* This file is part of Kvazaar HEVC encoder.
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*
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* Copyright (C) 2013-2015 Tampere University of Technology and others (see
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* COPYING file).
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*
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* Kvazaar is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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/*
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* \file
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "cu.h"
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#include "threads.h"
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void kvz_coefficients_blit(const coeff_t * const orig, coeff_t * const dst,
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const unsigned width, const unsigned height,
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const unsigned orig_stride, const unsigned dst_stride)
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{
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unsigned y;
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for (y = 0; y < height; ++y) {
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memcpy(&dst[y*dst_stride], &orig[y*orig_stride], width * sizeof(coeff_t));
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}
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}
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unsigned kvz_coefficients_calc_abs(const coeff_t *const buf, const int buf_stride,
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const int width)
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{
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int sum = 0;
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int y, x;
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for (y = 0; y < width; ++y) {
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for (x = 0; x < width; ++x) {
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sum += abs(buf[x + y * buf_stride]);
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}
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}
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return sum;
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}
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cu_array_t * kvz_cu_array_alloc(const int width_in_scu, const int height_in_scu) {
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unsigned cu_array_size = height_in_scu * width_in_scu;
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cu_array_t *cua;
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cua = MALLOC(cu_array_t, 1);
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cua->data = (cu_info_t*)malloc(sizeof(cu_info_t) * cu_array_size);
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cua->refcount = 1;
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FILL_ARRAY(cua->data, 0, cu_array_size);
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return cua;
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}
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int kvz_cu_array_free(cu_array_t * const cua)
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{
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int32_t new_refcount;
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if (!cua) return 1;
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new_refcount = ATOMIC_DEC(&(cua->refcount));
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//Still we have some references, do nothing
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if (new_refcount > 0) return 1;
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FREE_POINTER(cua->data);
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free(cua);
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return 1;
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}
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