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84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
#ifndef IMAGE_H_
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#define IMAGE_H_
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/*****************************************************************************
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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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* \ingroup DataStructures
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* \file
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* A reference counted YUV pixel buffer.
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*/
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#include "global.h"
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#include "kvazaar.h"
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typedef struct {
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kvz_pixel y[LCU_LUMA_SIZE];
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kvz_pixel u[LCU_CHROMA_SIZE];
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kvz_pixel v[LCU_CHROMA_SIZE];
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} lcu_yuv_t;
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typedef struct {
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int size;
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int16_t *y;
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int16_t *u;
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int16_t *v;
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} hi_prec_buf_t;
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typedef struct {
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int size;
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kvz_pixel *y;
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kvz_pixel *u;
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kvz_pixel *v;
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} yuv_t;
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kvz_picture *kvz_image_alloc(const int32_t width, const int32_t height);
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void kvz_image_free(kvz_picture *im);
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kvz_picture *kvz_image_copy_ref(kvz_picture *im);
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kvz_picture *kvz_image_make_subimage(kvz_picture *const orig_image,
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const unsigned x_offset,
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const unsigned y_offset,
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const unsigned width,
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const unsigned height);
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yuv_t * kvz_yuv_t_alloc(int luma_size);
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void kvz_yuv_t_free(yuv_t * yuv);
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hi_prec_buf_t * kvz_hi_prec_buf_t_alloc(int luma_size);
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void kvz_hi_prec_buf_t_free(hi_prec_buf_t * yuv);
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//Algorithms
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unsigned kvz_image_calc_sad(const kvz_picture *pic, const kvz_picture *ref, int pic_x, int pic_y, int ref_x, int ref_y,
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int block_width, int block_height, int max_lcu_below);
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unsigned kvz_pixels_calc_ssd(const kvz_pixel *const ref, const kvz_pixel *const rec,
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const int ref_stride, const int rec_stride,
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const int width);
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#endif
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