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141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/*****************************************************************************
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* This file is part of uvg266 VVC encoder.
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*
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* Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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****************************************************************************/
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#include "strategies/strategies-dct.h"
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#include "avx2/dct-avx2.h"
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#include "generic/dct-generic.h"
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#include "strategyselector.h"
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// Define function pointers.
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dct_func * uvg_fast_forward_dst_4x4 = 0;
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dct_func * uvg_dct_4x4 = 0;
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dct_func * uvg_dct_8x8 = 0;
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dct_func * uvg_dct_16x16 = 0;
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dct_func * uvg_dct_32x32 = 0;
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dct_func * uvg_fast_inverse_dst_4x4 = 0;
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dct_func * uvg_idct_4x4 = 0;
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dct_func * uvg_idct_8x8= 0;
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dct_func * uvg_idct_16x16 = 0;
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dct_func * uvg_idct_32x32 = 0;
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void(*uvg_mts_dct)(int8_t bitdepth,
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color_t color,
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const cu_info_t *tu,
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int8_t width,
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const int16_t *input,
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int16_t *output,
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const int8_t mts_idx);
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void(*uvg_mts_idct)(int8_t bitdepth,
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color_t color,
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const cu_info_t *tu,
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int8_t width,
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const int16_t *input,
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int16_t *output,
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const int8_t mts_idx);
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int uvg_strategy_register_dct(void* opaque, uint8_t bitdepth) {
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bool success = true;
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success &= uvg_strategy_register_dct_generic(opaque, bitdepth);
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if (uvg_g_hardware_flags.intel_flags.avx2) {
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success &= uvg_strategy_register_dct_avx2(opaque, bitdepth);
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}
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return success;
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}
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/**
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* \brief Get a function that performs the transform for a block.
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*
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* \param width Width of the region
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* \param color Color plane
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* \param type Prediction type
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*
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* \returns Pointer to the function.
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*/
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dct_func * uvg_get_dct_func(int8_t width, color_t color, cu_type_t type)
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{
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switch (width) {
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case 4:
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//if (color == COLOR_Y && type == CU_INTRA) {
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// return uvg_fast_forward_dst_4x4;
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//} else {
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return uvg_dct_4x4;
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//}
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case 8:
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return uvg_dct_8x8;
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case 16:
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return uvg_dct_16x16;
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case 32:
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return uvg_dct_32x32;
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default:
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return NULL;
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}
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}
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/**
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* \brief Get a function that performs the inverse transform for a block.
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*
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* \param width Width of the region
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* \param color Color plane
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* \param type Prediction type
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*
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* \returns Pointer to the function.
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*/
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dct_func * uvg_get_idct_func(int8_t width, color_t color, cu_type_t type)
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{
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switch (width) {
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case 4:
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//if (color == COLOR_Y && type == CU_INTRA) {
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// return uvg_fast_inverse_dst_4x4;
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//} else {
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return uvg_idct_4x4;
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//}
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case 8:
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return uvg_idct_8x8;
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case 16:
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return uvg_idct_16x16;
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case 32:
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return uvg_idct_32x32;
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default:
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return NULL;
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}
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}
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