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103 lines
3.1 KiB
C
103 lines
3.1 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" // IWYU pragma: keep
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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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enum kvz_chroma_format chroma_format;
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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_420(const int32_t width, const int32_t height);
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kvz_picture *kvz_image_alloc(enum kvz_chroma_format chroma_format, 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, int chroma_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,
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const kvz_picture *ref,
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int pic_x,
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int pic_y,
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int ref_x,
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int ref_y,
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int block_width,
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int block_height);
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unsigned kvz_image_calc_satd(const kvz_picture *pic,
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const kvz_picture *ref,
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int pic_x,
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int pic_y,
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int ref_x,
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int ref_y,
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int block_width,
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int block_height);
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void kvz_pixels_blit(const kvz_pixel* orig, kvz_pixel *dst,
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unsigned width, unsigned height,
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unsigned orig_stride, unsigned dst_stride);
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#endif
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