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54 lines
2.2 KiB
C
54 lines
2.2 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 "encoderstate.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 quantize_lcu_luma_residual(encoder_state *encoder_state, int32_t x, int32_t y, uint8_t depth, lcu_t* lcu);
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void quantize_lcu_chroma_residual(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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