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54 lines
2.3 KiB
C
54 lines
2.3 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) 2013-2015 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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* \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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extern const uint8_t kvz_g_chroma_scale[58];
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extern const int16_t kvz_g_inv_quant_scales[6];
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void kvz_quant(const encoder_state_t *state, coeff_t *coef, coeff_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 kvz_dequant(const encoder_state_t *state, coeff_t *q_coef, coeff_t *coef, int32_t width, int32_t height, int8_t type, int8_t block_type);
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void kvz_transformskip(const encoder_control_t *encoder, int16_t *block,int16_t *coeff, int8_t block_size);
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void kvz_itransformskip(const encoder_control_t *encoder, int16_t *block,int16_t *coeff, int8_t block_size);
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void kvz_transform2d(const encoder_control_t *encoder, int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);
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void kvz_itransform2d(const encoder_control_t *encoder, int16_t *block,int16_t *coeff, int8_t block_size, int32_t mode);
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int32_t kvz_get_scaled_qp(int8_t type, int8_t qp, int8_t qp_offset);
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void kvz_quantize_lcu_luma_residual(encoder_state_t *state, int32_t x, int32_t y, uint8_t depth, cu_info_t *cur_cu, lcu_t* lcu);
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void kvz_quantize_lcu_chroma_residual(encoder_state_t *state, int32_t x, int32_t y, uint8_t depth, cu_info_t *cur_cu, lcu_t* lcu);
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#endif
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