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https://github.com/ultravideo/uvg266.git
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0c65a9b658
- It's meant for checking if there are any coefficients, but we don't use it and it's annoying to remember to initialize it and pass it around. The benefit should be quite small anyway.
52 lines
2 KiB
C
52 lines
2 KiB
C
#ifndef TRANSFORM_H_
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#define TRANSFORM_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) 2013-2014 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
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* it under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Kvazaar is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along 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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* \brief Transformations, such as quantization and DST.
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*/
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#include "global.h"
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#include "encoder.h"
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#include <math.h>
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extern const uint8_t g_chroma_scale[58];
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extern const int16_t g_inv_quant_scales[6];
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void quant(const encoder_state *encoder_state, int16_t *coef, int16_t *q_coef, int32_t width,
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int32_t height, int8_t type, int8_t scan_idx, int8_t block_type);
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void dequant(const encoder_state *encoder_state, int16_t *q_coef, int16_t *coef, int32_t width, int32_t height,int8_t type, int8_t block_type);
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void transformskip(const encoder_control *encoder, int16_t *block,int16_t *coeff, int8_t block_size);
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void itransformskip(const encoder_control *encoder, int16_t *block,int16_t *coeff, int8_t block_size);
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void transform2d(const encoder_control *encoder, int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);
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void itransform2d(const encoder_control *encoder, int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);
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int32_t get_scaled_qp(int8_t type, int8_t qp, int8_t qp_offset);
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void encode_transform_tree(encoder_state *encoder_state, int32_t x, int32_t y, uint8_t depth, lcu_t* lcu);
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#endif
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