1484 lines
52 KiB
C
1484 lines
52 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/**
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*******************************************************************************
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* @file
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* ihevc_resi_trans.c
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*
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* @brief
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* Contains function definitions for residual and forward transform
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*
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* @author
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* 100470
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*
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* @par List of Functions:
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* - ihevc_resi_trans_4x4_ttype1()
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* - ihevc_resi_trans_4x4()
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* - ihevc_resi_trans_8x8()
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* - ihevc_resi_trans_16x16()
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* - ihevc_resi_trans_32x32()
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "ihevc_typedefs.h"
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#include "ihevc_macros.h"
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#include "ihevc_platform_macros.h"
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#include "ihevc_defs.h"
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#include "ihevc_trans_tables.h"
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#include "ihevc_resi_trans.h"
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#include "ihevc_func_selector.h"
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#include "ihevc_trans_macros.h"
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/**
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*******************************************************************************
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*
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* @brief
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* This function performs residue calculation and forward transform type 1
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* on input pixels
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*
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* @par Description:
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* Performs residue calculation by subtracting source and prediction and
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* followed by forward transform
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*
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* @param[in] pu1_src
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* Input 4x4 pixels
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*
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* @param[in] pu1_pred
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* Prediction data
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*
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* @param[in] pi2_tmp
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* Temporary buffer of size 4x4
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*
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* @param[out] pi2_dst
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* Output 4x4 coefficients
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*
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* @param[in] src_strd
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* Input stride
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*
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* @param[in] pred_strd
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* Prediction Stride
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*
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* @param[in] dst_strd
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* Output Stride
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*
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* @param[in] e_chroma_plane
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* Enum singalling chroma plane
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*
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*
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* @returns Void
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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UWORD32 ihevc_resi_trans_4x4_ttype1(UWORD8 *pu1_src,
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UWORD8 *pu1_pred,
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WORD32 *pi4_temp,
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WORD16 *pi2_dst,
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WORD32 src_strd,
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WORD32 pred_strd,
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WORD32 dst_strd,
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CHROMA_PLANE_ID_T e_chroma_plane)
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{
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WORD32 i, c[4];
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WORD32 add, shift;
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WORD32 trans_size;
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WORD32 *pi4_tmp_orig;
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WORD16 *pi2_dst_orig;
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UWORD32 u4_blk_sad = 0;
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UNUSED(e_chroma_plane);
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pi2_dst_orig = pi2_dst;
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pi4_tmp_orig = pi4_temp;
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trans_size = TRANS_SIZE_4;
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/* Residue + Forward Transform 1st stage */
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shift = 1; // log2(iWidth) - 1 + g_uiBitIncrement
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add = 1 << (shift - 1);
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for(i = 0; i < trans_size; i++)
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{
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WORD32 resi_tmp_1, resi_tmp_2, resi_tmp_3;
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// Intermediate Variables
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resi_tmp_1 = pu1_src[0] - pu1_pred[0];
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resi_tmp_2 = pu1_src[3] - pu1_pred[3];
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c[0] = resi_tmp_1 + resi_tmp_2;
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u4_blk_sad += abs(resi_tmp_1) + abs(resi_tmp_2);
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resi_tmp_1 = pu1_src[1] - pu1_pred[1];
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resi_tmp_2 = pu1_src[3] - pu1_pred[3];
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c[1] = resi_tmp_1 + resi_tmp_2;
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u4_blk_sad += abs(resi_tmp_1);
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resi_tmp_1 = pu1_src[0] - pu1_pred[0];
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resi_tmp_2 = pu1_src[1] - pu1_pred[1];
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c[2] = resi_tmp_1 - resi_tmp_2;
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resi_tmp_1 = pu1_src[2] - pu1_pred[2];
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c[3] = 74 * resi_tmp_1;
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u4_blk_sad += abs(resi_tmp_1);
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pi4_temp[0] = (29 * c[0] + 55 * c[1] + c[3] + add) >> shift;
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resi_tmp_1 = pu1_src[0] - pu1_pred[0];
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resi_tmp_2 = pu1_src[1] - pu1_pred[1];
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resi_tmp_3 = pu1_src[3] - pu1_pred[3];
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pi4_temp[trans_size] =
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(74 * (resi_tmp_1 + resi_tmp_2 - resi_tmp_3) + add)
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>> shift;
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pi4_temp[2 * trans_size] = (29 * c[2] + 55 * c[0] - c[3] + add) >> shift;
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pi4_temp[3 * trans_size] = (55 * c[2] - 29 * c[1] + c[3] + add) >> shift;
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pu1_src += src_strd;
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pu1_pred += pred_strd;
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pi4_temp++;
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}
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pi4_temp = pi4_tmp_orig;
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/* Forward transform 2nd stage */
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shift = 8; // log2(iHeight) + 6
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add = 1 << (shift - 1);
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for(i = 0; i < TRANS_SIZE_4; i++)
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{
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// Intermediate Variables
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c[0] = pi4_temp[0] + pi4_temp[3];
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c[1] = pi4_temp[1] + pi4_temp[3];
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c[2] = pi4_temp[0] - pi4_temp[1];
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c[3] = 74 * pi4_temp[2];
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pi2_dst[0] = (29 * c[0] + 55 * c[1] + c[3] + add) >> shift;
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pi2_dst[dst_strd] = (74 * (pi4_temp[0] + pi4_temp[1] - pi4_temp[3]) + add)
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>> shift;
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pi2_dst[2 * dst_strd] = (29 * c[2] + 55 * c[0] - c[3] + add) >> shift;
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pi2_dst[3 * dst_strd] = (55 * c[2] - 29 * c[1] + c[3] + add) >> shift;
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pi4_temp += trans_size;
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pi2_dst++;
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}
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return u4_blk_sad;
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}
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/**
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*******************************************************************************
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*
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* @brief
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* This function performs residue calculation and forward transform on
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* input pixels
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*
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* @par Description:
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* Performs residue calculation by subtracting source and prediction and
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* followed by forward transform
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*
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* @param[in] pu1_src
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* Input 4x4 pixels
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*
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* @param[in] pu1_pred
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* Prediction data
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*
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* @param[in] pi2_tmp
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* Temporary buffer of size 4x4
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*
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* @param[out] pi2_dst
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* Output 4x4 coefficients
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*
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* @param[in] src_strd
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* Input stride
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*
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* @param[in] pred_strd
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* Prediction Stride
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*
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* @param[in] dst_strd
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* Output Stride
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*
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* @param[in] e_chroma_plane
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* Enum singalling chroma plane
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*
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* @returns Void
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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UWORD32 ihevc_resi_trans_4x4(UWORD8 *pu1_src,
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UWORD8 *pu1_pred,
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WORD32 *pi4_temp,
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WORD16 *pi2_dst,
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WORD32 src_strd,
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WORD32 pred_strd,
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WORD32 dst_strd,
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CHROMA_PLANE_ID_T e_chroma_plane)
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{
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WORD32 i;
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WORD32 e[2], o[2];
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WORD32 add, shift;
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WORD32 trans_size;
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WORD32 *pi4_tmp_orig;
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WORD16 *pi2_dst_orig;
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UWORD32 u4_blk_sad=0;
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WORD32 chroma_flag = 0;
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if (e_chroma_plane != NULL_PLANE)
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{
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chroma_flag = 1;
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pu1_src += e_chroma_plane;
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pu1_pred += e_chroma_plane;
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}
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pi2_dst_orig = pi2_dst;
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pi4_tmp_orig = pi4_temp;
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trans_size = TRANS_SIZE_4;
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/* Residue + Forward Transform 1st stage */
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shift = 1; // log2(iWidth) - 1 + g_uiBitIncrement
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add = 1 << (shift - 1);
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for(i = 0; i < trans_size; i++)
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{
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WORD32 resi_tmp_1, resi_tmp_2;
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/* e and o */
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resi_tmp_1 = pu1_src[0 + 0*chroma_flag] - pu1_pred[0 + 0*chroma_flag];
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resi_tmp_2 = pu1_src[3 + 3*chroma_flag] - pu1_pred[3 + 3*chroma_flag];
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e[0] = resi_tmp_1 + resi_tmp_2;
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o[0] = resi_tmp_1 - resi_tmp_2;
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u4_blk_sad += abs(resi_tmp_1);
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u4_blk_sad += abs(resi_tmp_2);
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resi_tmp_1 = pu1_src[1 + 1*chroma_flag] - pu1_pred[1 + 1*chroma_flag];
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resi_tmp_2 = pu1_src[2 + 2*chroma_flag] - pu1_pred[2 + 2*chroma_flag];
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e[1] = resi_tmp_1 + resi_tmp_2;
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o[1] = resi_tmp_1 - resi_tmp_2;
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u4_blk_sad += abs(resi_tmp_1);
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u4_blk_sad += abs(resi_tmp_2);
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pi4_temp[0] = (g_ai2_ihevc_trans_4[0][0] * e[0]
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+ g_ai2_ihevc_trans_4[0][1] * e[1]);// + add) >> shift;
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pi4_temp[2 * trans_size] = (g_ai2_ihevc_trans_4[2][0] * e[0]
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+ g_ai2_ihevc_trans_4[2][1] * e[1]);// + add) >> shift;
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pi4_temp[trans_size] = (g_ai2_ihevc_trans_4[1][0] * o[0]
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+ g_ai2_ihevc_trans_4[1][1] * o[1]);// + add) >> shift;
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pi4_temp[3 * trans_size] = (g_ai2_ihevc_trans_4[3][0] * o[0]
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+ g_ai2_ihevc_trans_4[3][1] * o[1]);// + add) >> shift;
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pu1_src += src_strd;
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pu1_pred += pred_strd;
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pi4_temp++;
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}
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pi4_temp = pi4_tmp_orig;
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/* Forward Transform 2nd stage */
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shift = 9; // log2(iHeight) + 6
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add = 1 << (shift - 1);
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for(i = 0; i < trans_size; i++)
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{
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/* e and o */
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e[0] = pi4_temp[0] + pi4_temp[3];
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o[0] = pi4_temp[0] - pi4_temp[3];
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e[1] = pi4_temp[1] + pi4_temp[2];
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o[1] = pi4_temp[1] - pi4_temp[2];
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pi2_dst[0] = (g_ai2_ihevc_trans_4[0][0] * e[0]
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+ g_ai2_ihevc_trans_4[0][1] * e[1] + add) >> shift;
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pi2_dst[2 * dst_strd] = (g_ai2_ihevc_trans_4[2][0] * e[0]
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+ g_ai2_ihevc_trans_4[2][1] * e[1] + add) >> shift;
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pi2_dst[dst_strd] = (g_ai2_ihevc_trans_4[1][0] * o[0]
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+ g_ai2_ihevc_trans_4[1][1] * o[1] + add) >> shift;
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pi2_dst[3 * dst_strd] = (g_ai2_ihevc_trans_4[3][0] * o[0]
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+ g_ai2_ihevc_trans_4[3][1] * o[1] + add) >> shift;
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pi4_temp += trans_size;
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pi2_dst++;
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}
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return u4_blk_sad;
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}
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void ihevc_resi_trans_4x4_16bit(WORD16 *pi2_src,
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UWORD8 *pu1_pred,
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WORD16 *pi2_tmp,
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WORD16 *pi2_dst,
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WORD32 src_strd,
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WORD32 pred_strd,
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WORD32 dst_strd)
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{
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WORD32 i;
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WORD32 e[2], o[2];
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WORD32 add, shift;
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WORD32 trans_size;
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WORD16 *pi2_tmp_orig;
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WORD16 *pi2_dst_orig;
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pi2_dst_orig = pi2_dst;
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pi2_tmp_orig = pi2_tmp;
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trans_size = TRANS_SIZE_4;
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/* Residue + Forward Transform 1st stage */
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shift = 1; // log2(iWidth) - 1 + g_uiBitIncrement
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add = 1 << (shift - 1);
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for(i = 0; i < trans_size; i++)
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{
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WORD32 resi_tmp_1, resi_tmp_2;
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/* e and o */
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resi_tmp_1 = pi2_src[0] - pu1_pred[0];
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resi_tmp_2 = pi2_src[3] - pu1_pred[3];
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e[0] = resi_tmp_1 + resi_tmp_2;
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o[0] = resi_tmp_1 - resi_tmp_2;
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resi_tmp_1 = pi2_src[1] - pu1_pred[1];
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resi_tmp_2 = pi2_src[2] - pu1_pred[2];
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e[1] = resi_tmp_1 + resi_tmp_2;
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o[1] = resi_tmp_1 - resi_tmp_2;
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pi2_tmp[0] = (g_ai2_ihevc_trans_4[0][0] * e[0]
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+ g_ai2_ihevc_trans_4[0][1] * e[1] + add) >> shift;
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pi2_tmp[2 * trans_size] = (g_ai2_ihevc_trans_4[2][0] * e[0]
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+ g_ai2_ihevc_trans_4[2][1] * e[1] + add) >> shift;
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pi2_tmp[trans_size] = (g_ai2_ihevc_trans_4[1][0] * o[0]
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+ g_ai2_ihevc_trans_4[1][1] * o[1] + add) >> shift;
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pi2_tmp[3 * trans_size] = (g_ai2_ihevc_trans_4[3][0] * o[0]
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+ g_ai2_ihevc_trans_4[3][1] * o[1] + add) >> shift;
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pi2_src += src_strd;
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pu1_pred += pred_strd;
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pi2_tmp++;
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}
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pi2_tmp = pi2_tmp_orig;
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/* Forward Transform 2nd stage */
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shift = 8; // log2(iHeight) + 6
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add = 1 << (shift - 1);
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for(i = 0; i < trans_size; i++)
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{
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/* e and o */
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e[0] = pi2_tmp[0] + pi2_tmp[3];
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o[0] = pi2_tmp[0] - pi2_tmp[3];
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e[1] = pi2_tmp[1] + pi2_tmp[2];
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o[1] = pi2_tmp[1] - pi2_tmp[2];
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pi2_dst[0] = (g_ai2_ihevc_trans_4[0][0] * e[0]
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+ g_ai2_ihevc_trans_4[0][1] * e[1] + add) >> shift;
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pi2_dst[2 * dst_strd] = (g_ai2_ihevc_trans_4[2][0] * e[0]
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+ g_ai2_ihevc_trans_4[2][1] * e[1] + add) >> shift;
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pi2_dst[dst_strd] = (g_ai2_ihevc_trans_4[1][0] * o[0]
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+ g_ai2_ihevc_trans_4[1][1] * o[1] + add) >> shift;
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pi2_dst[3 * dst_strd] = (g_ai2_ihevc_trans_4[3][0] * o[0]
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+ g_ai2_ihevc_trans_4[3][1] * o[1] + add) >> shift;
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pi2_tmp += trans_size;
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pi2_dst++;
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}
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}
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/**
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*******************************************************************************
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|
*
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|
* @brief
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|
* This function performs residue calculation and forward transform on
|
|
* input pixels
|
|
*
|
|
* @par Description:
|
|
* Performs residue calculation by subtracting source and prediction and
|
|
* followed by forward transform
|
|
*
|
|
* @param[in] pu1_src
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|
* Input 8x8 pixels
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|
*
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* @param[in] pu1_pred
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* Prediction data
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|
*
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* @param[in] pi2_tmp
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* Temporary buffer of size 8x8
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*
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* @param[out] pi2_dst
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* Output 8x8 coefficients
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*
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* @param[in] src_strd
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* Input stride
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*
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* @param[in] pred_strd
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* Prediction Stride
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*
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* @param[in] dst_strd
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* Output Stride
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*
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* @param[in] e_chroma_plane
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* Enum singalling chroma plane
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|
*
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* @returns Void
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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|
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UWORD32 ihevc_resi_trans_8x8(UWORD8 *pu1_src,
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UWORD8 *pu1_pred,
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WORD32 *pi4_temp,
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WORD16 *pi2_dst,
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WORD32 src_strd,
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WORD32 pred_strd,
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WORD32 dst_strd,
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CHROMA_PLANE_ID_T e_chroma_plane)
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{
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|
WORD32 i, k;
|
|
WORD32 e[4], o[4];
|
|
WORD32 ee[2], eo[2];
|
|
WORD32 add, shift;
|
|
WORD32 trans_size;
|
|
WORD32 *pi4_tmp_orig;
|
|
// WORD16 *pi2_tmp;
|
|
WORD16 *pi2_dst_orig;
|
|
UWORD32 u4_blk_sad=0;
|
|
WORD32 chroma_flag = 0;
|
|
|
|
if (e_chroma_plane != NULL_PLANE)
|
|
{
|
|
chroma_flag = 1;
|
|
pu1_src += e_chroma_plane;
|
|
pu1_pred += e_chroma_plane;
|
|
}
|
|
|
|
pi2_dst_orig = pi2_dst;
|
|
pi4_tmp_orig = pi4_temp;
|
|
trans_size = TRANS_SIZE_8;
|
|
/* Residue + Forward Transform 1st stage */
|
|
shift = 2; // log2(iWidth) - 1 + g_uiBitIncrement
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
WORD32 resi_tmp_1, resi_tmp_2;
|
|
|
|
/* Utilizing symmetry properties to the maximum to minimize the number of multiplications */
|
|
/* e and o*/
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
resi_tmp_1 = pu1_src[k*(1+chroma_flag)] - pu1_pred[k*(1+chroma_flag)];
|
|
resi_tmp_2 = pu1_src[(7-k)*(1+chroma_flag)] - pu1_pred[(7-k)*(1+chroma_flag)];
|
|
e[k] = resi_tmp_1 + resi_tmp_2;
|
|
o[k] = resi_tmp_1 - resi_tmp_2;
|
|
u4_blk_sad += abs(resi_tmp_1) + abs(resi_tmp_2);
|
|
}
|
|
/* ee and eo */
|
|
ee[0] = e[0] + e[3];
|
|
eo[0] = e[0] - e[3];
|
|
ee[1] = e[1] + e[2];
|
|
eo[1] = e[1] - e[2];
|
|
|
|
pi4_temp[0] = (g_ai2_ihevc_trans_8[0][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[0][1] * ee[1]);// + add) >> shift;
|
|
pi4_temp[4 * trans_size] = (g_ai2_ihevc_trans_8[4][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[4][1] * ee[1]);// + add) >> shift;
|
|
pi4_temp[2 * trans_size] = (g_ai2_ihevc_trans_8[2][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[2][1] * eo[1]);// + add) >> shift;
|
|
pi4_temp[6 * trans_size] = (g_ai2_ihevc_trans_8[6][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[6][1] * eo[1]);// + add) >> shift;
|
|
|
|
pi4_temp[trans_size] = (g_ai2_ihevc_trans_8[1][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[1][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[1][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[1][3] * o[3]);// + add) >> shift;
|
|
pi4_temp[3 * trans_size] = (g_ai2_ihevc_trans_8[3][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[3][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[3][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[3][3] * o[3]);// + add) >> shift;
|
|
pi4_temp[5 * trans_size] = (g_ai2_ihevc_trans_8[5][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[5][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[5][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[5][3] * o[3]);// + add) >> shift;
|
|
pi4_temp[7 * trans_size] = (g_ai2_ihevc_trans_8[7][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[7][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[7][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[7][3] * o[3]);// + add) >> shift;
|
|
|
|
pu1_src += src_strd;
|
|
pu1_pred += pred_strd;
|
|
pi4_temp++;
|
|
}
|
|
|
|
pi4_temp = pi4_tmp_orig;
|
|
/* Forward Transform 2nd stage */
|
|
shift = 11; // log2(iHeight) + 6
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
/* Utilizing symmetry properties to the maximum to minimize the number of multiplications */
|
|
/* e and o*/
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
e[k] = pi4_temp[k] + pi4_temp[7 - k];
|
|
o[k] = pi4_temp[k] - pi4_temp[7 - k];
|
|
}
|
|
/* ee and eo */
|
|
ee[0] = e[0] + e[3];
|
|
eo[0] = e[0] - e[3];
|
|
ee[1] = e[1] + e[2];
|
|
eo[1] = e[1] - e[2];
|
|
|
|
pi2_dst[0] = (g_ai2_ihevc_trans_8[0][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[0][1] * ee[1] + add) >> shift;
|
|
pi2_dst[4 * dst_strd] = (g_ai2_ihevc_trans_8[4][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[4][1] * ee[1] + add) >> shift;
|
|
pi2_dst[2 * dst_strd] = (g_ai2_ihevc_trans_8[2][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[2][1] * eo[1] + add) >> shift;
|
|
pi2_dst[6 * dst_strd] = (g_ai2_ihevc_trans_8[6][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[6][1] * eo[1] + add) >> shift;
|
|
|
|
pi2_dst[dst_strd] = (g_ai2_ihevc_trans_8[1][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[1][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[1][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[1][3] * o[3] + add) >> shift;
|
|
pi2_dst[3 * dst_strd] = (g_ai2_ihevc_trans_8[3][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[3][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[3][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[3][3] * o[3] + add) >> shift;
|
|
pi2_dst[5 * dst_strd] = (g_ai2_ihevc_trans_8[5][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[5][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[5][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[5][3] * o[3] + add) >> shift;
|
|
pi2_dst[7 * dst_strd] = (g_ai2_ihevc_trans_8[7][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[7][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[7][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[7][3] * o[3] + add) >> shift;
|
|
|
|
pi4_temp += trans_size;
|
|
pi2_dst++;
|
|
}
|
|
|
|
return u4_blk_sad;
|
|
}
|
|
|
|
void ihevc_resi_trans_8x8_16bit(WORD16 *pi2_src,
|
|
UWORD8 *pu1_pred,
|
|
WORD16 *pi2_tmp,
|
|
WORD16 *pi2_dst,
|
|
WORD32 src_strd,
|
|
WORD32 pred_strd,
|
|
WORD32 dst_strd)
|
|
{
|
|
WORD32 i, k;
|
|
WORD32 e[4], o[4];
|
|
WORD32 ee[2], eo[2];
|
|
WORD32 add, shift;
|
|
WORD32 trans_size;
|
|
WORD16 *pi2_tmp_orig;
|
|
WORD16 *pi2_dst_orig;
|
|
|
|
pi2_dst_orig = pi2_dst;
|
|
pi2_tmp_orig = pi2_tmp;
|
|
trans_size = TRANS_SIZE_8;
|
|
/* Residue + Forward Transform 1st stage */
|
|
shift = 2; // log2(iWidth) - 1 + g_uiBitIncrement
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
WORD32 resi_tmp_1, resi_tmp_2;
|
|
|
|
/* Utilizing symmetry properties to the maximum to minimize the number of multiplications */
|
|
/* e and o*/
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
resi_tmp_1 = pi2_src[k] - pu1_pred[k];
|
|
resi_tmp_2 = pi2_src[7 - k] - pu1_pred[7 - k];
|
|
e[k] = resi_tmp_1 + resi_tmp_2;
|
|
o[k] = resi_tmp_1 - resi_tmp_2;
|
|
}
|
|
/* ee and eo */
|
|
ee[0] = e[0] + e[3];
|
|
eo[0] = e[0] - e[3];
|
|
ee[1] = e[1] + e[2];
|
|
eo[1] = e[1] - e[2];
|
|
|
|
pi2_tmp[0] = (g_ai2_ihevc_trans_8[0][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[0][1] * ee[1] + add) >> shift;
|
|
pi2_tmp[4 * trans_size] = (g_ai2_ihevc_trans_8[4][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[4][1] * ee[1] + add) >> shift;
|
|
pi2_tmp[2 * trans_size] = (g_ai2_ihevc_trans_8[2][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[2][1] * eo[1] + add) >> shift;
|
|
pi2_tmp[6 * trans_size] = (g_ai2_ihevc_trans_8[6][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[6][1] * eo[1] + add) >> shift;
|
|
|
|
pi2_tmp[trans_size] = (g_ai2_ihevc_trans_8[1][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[1][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[1][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[1][3] * o[3] + add) >> shift;
|
|
pi2_tmp[3 * trans_size] = (g_ai2_ihevc_trans_8[3][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[3][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[3][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[3][3] * o[3] + add) >> shift;
|
|
pi2_tmp[5 * trans_size] = (g_ai2_ihevc_trans_8[5][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[5][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[5][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[5][3] * o[3] + add) >> shift;
|
|
pi2_tmp[7 * trans_size] = (g_ai2_ihevc_trans_8[7][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[7][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[7][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[7][3] * o[3] + add) >> shift;
|
|
|
|
pi2_src += src_strd;
|
|
pu1_pred += pred_strd;
|
|
pi2_tmp++;
|
|
}
|
|
|
|
pi2_tmp = pi2_tmp_orig;
|
|
/* Forward Transform 2nd stage */
|
|
shift = 9; // log2(iHeight) + 6
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
/* Utilizing symmetry properties to the maximum to minimize the number of multiplications */
|
|
/* e and o*/
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
e[k] = pi2_tmp[k] + pi2_tmp[7 - k];
|
|
o[k] = pi2_tmp[k] - pi2_tmp[7 - k];
|
|
}
|
|
/* ee and eo */
|
|
ee[0] = e[0] + e[3];
|
|
eo[0] = e[0] - e[3];
|
|
ee[1] = e[1] + e[2];
|
|
eo[1] = e[1] - e[2];
|
|
|
|
pi2_dst[0] = (g_ai2_ihevc_trans_8[0][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[0][1] * ee[1] + add) >> shift;
|
|
pi2_dst[4 * dst_strd] = (g_ai2_ihevc_trans_8[4][0] * ee[0]
|
|
+ g_ai2_ihevc_trans_8[4][1] * ee[1] + add) >> shift;
|
|
pi2_dst[2 * dst_strd] = (g_ai2_ihevc_trans_8[2][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[2][1] * eo[1] + add) >> shift;
|
|
pi2_dst[6 * dst_strd] = (g_ai2_ihevc_trans_8[6][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_8[6][1] * eo[1] + add) >> shift;
|
|
|
|
pi2_dst[dst_strd] = (g_ai2_ihevc_trans_8[1][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[1][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[1][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[1][3] * o[3] + add) >> shift;
|
|
pi2_dst[3 * dst_strd] = (g_ai2_ihevc_trans_8[3][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[3][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[3][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[3][3] * o[3] + add) >> shift;
|
|
pi2_dst[5 * dst_strd] = (g_ai2_ihevc_trans_8[5][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[5][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[5][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[5][3] * o[3] + add) >> shift;
|
|
pi2_dst[7 * dst_strd] = (g_ai2_ihevc_trans_8[7][0] * o[0]
|
|
+ g_ai2_ihevc_trans_8[7][1] * o[1]
|
|
+ g_ai2_ihevc_trans_8[7][2] * o[2]
|
|
+ g_ai2_ihevc_trans_8[7][3] * o[3] + add) >> shift;
|
|
|
|
pi2_tmp += trans_size;
|
|
pi2_dst++;
|
|
}
|
|
}
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief
|
|
* This function performs residue calculation and forward transform on
|
|
* input pixels
|
|
*
|
|
* @par Description:
|
|
* Performs residue calculation by subtracting source and prediction and
|
|
* followed by forward transform
|
|
*
|
|
* @param[in] pu1_src
|
|
* Input 16x16 pixels
|
|
*
|
|
* @param[in] pu1_pred
|
|
* Prediction data
|
|
*
|
|
* @param[in] pi2_tmp
|
|
* Temporary buffer of size 16x16
|
|
*
|
|
* @param[out] pi2_dst
|
|
* Output 16x16 coefficients
|
|
*
|
|
* @param[in] src_strd
|
|
* Input stride
|
|
*
|
|
* @param[in] pred_strd
|
|
* Prediction Stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* Output Stride
|
|
*
|
|
* @param[in] e_chroma_plane
|
|
* Enum singalling chroma plane
|
|
*
|
|
* @returns Void
|
|
*
|
|
* @remarks
|
|
* None
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
|
|
UWORD32 ihevc_resi_trans_16x16(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_pred,
|
|
WORD32 *pi4_temp,
|
|
WORD16 *pi2_dst,
|
|
WORD32 src_strd,
|
|
WORD32 pred_strd,
|
|
WORD32 dst_strd,
|
|
CHROMA_PLANE_ID_T e_chroma_plane)
|
|
{
|
|
WORD32 i, k;
|
|
WORD32 e[8], o[8];
|
|
WORD32 ee[4], eo[4];
|
|
WORD32 eee[2], eeo[2];
|
|
WORD32 add, shift;
|
|
WORD32 trans_size;
|
|
WORD32 *pi4_tmp_orig;
|
|
WORD16 *pi2_dst_orig;
|
|
UWORD32 u4_blk_sad = 0;
|
|
WORD32 chroma_flag = 0;
|
|
|
|
if (e_chroma_plane != NULL_PLANE)
|
|
{
|
|
chroma_flag = 1;
|
|
pu1_src += e_chroma_plane;
|
|
pu1_pred += e_chroma_plane;
|
|
}
|
|
|
|
pi2_dst_orig = pi2_dst;
|
|
pi4_tmp_orig = pi4_temp;
|
|
trans_size = TRANS_SIZE_16;
|
|
/* Residue + Forward Transform 1st stage */
|
|
shift = 3; // log2(iWidth) - 1 + g_uiBitIncrement
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
WORD32 resi_tmp_1, resi_tmp_2;
|
|
/* e and o*/
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
resi_tmp_1 = pu1_src[k*(1+chroma_flag)] - pu1_pred[k*(1+chroma_flag)];
|
|
resi_tmp_2 = pu1_src[(15-k)*(1+chroma_flag)] - pu1_pred[(15-k)*(1+chroma_flag)];
|
|
e[k] = resi_tmp_1 + resi_tmp_2;
|
|
o[k] = resi_tmp_1 - resi_tmp_2;
|
|
u4_blk_sad += abs(resi_tmp_1) + abs(resi_tmp_2);
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
ee[k] = e[k] + e[7 - k];
|
|
eo[k] = e[k] - e[7 - k];
|
|
}
|
|
/* eee and eeo */
|
|
eee[0] = ee[0] + ee[3];
|
|
eeo[0] = ee[0] - ee[3];
|
|
eee[1] = ee[1] + ee[2];
|
|
eeo[1] = ee[1] - ee[2];
|
|
|
|
pi4_temp[0] = (g_ai2_ihevc_trans_16[0][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[0][1] * eee[1]);// + add) >> shift;
|
|
pi4_temp[8 * trans_size] = (g_ai2_ihevc_trans_16[8][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[8][1] * eee[1]);// + add) >> shift;
|
|
pi4_temp[4 * trans_size] = (g_ai2_ihevc_trans_16[4][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[4][1] * eeo[1]);// + add) >> shift;
|
|
pi4_temp[12 * trans_size] = (g_ai2_ihevc_trans_16[12][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[12][1] * eeo[1]);// + add) >> shift;
|
|
|
|
for(k = 2; k < 16; k += 4)
|
|
{
|
|
pi4_temp[k * trans_size] = (g_ai2_ihevc_trans_16[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * eo[3]);// + add)>> shift;
|
|
|
|
}
|
|
|
|
for(k = 1; k < 16; k += 2)
|
|
{
|
|
pi4_temp[k * trans_size] = (g_ai2_ihevc_trans_16[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_16[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_16[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_16[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_16[k][7] * o[7]);// + add) >> shift;
|
|
}
|
|
pu1_src += src_strd;
|
|
pu1_pred += pred_strd;
|
|
pi4_temp++;
|
|
}
|
|
|
|
pi4_temp = pi4_tmp_orig;
|
|
/* Forward Transform 2nd stage */
|
|
shift = 13; // log2(iHeight) + 6
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < TRANS_SIZE_16; i++)
|
|
{
|
|
/* e and o*/
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
e[k] = pi4_temp[k] + pi4_temp[15 - k];
|
|
o[k] = pi4_temp[k] - pi4_temp[15 - k];
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
ee[k] = e[k] + e[7 - k];
|
|
eo[k] = e[k] - e[7 - k];
|
|
}
|
|
/* eee and eeo */
|
|
eee[0] = ee[0] + ee[3];
|
|
eeo[0] = ee[0] - ee[3];
|
|
eee[1] = ee[1] + ee[2];
|
|
eeo[1] = ee[1] - ee[2];
|
|
|
|
pi2_dst[0] = (g_ai2_ihevc_trans_16[0][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[0][1] * eee[1] + add) >> shift;
|
|
pi2_dst[8 * dst_strd] = (g_ai2_ihevc_trans_16[8][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[8][1] * eee[1] + add) >> shift;
|
|
pi2_dst[4 * dst_strd] = (g_ai2_ihevc_trans_16[4][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[4][1] * eeo[1] + add) >> shift;
|
|
pi2_dst[12 * dst_strd] = (g_ai2_ihevc_trans_16[12][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[12][1] * eeo[1] + add) >> shift;
|
|
|
|
for(k = 2; k < 16; k += 4)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_16[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * eo[3] + add)
|
|
>> shift;
|
|
}
|
|
|
|
for(k = 1; k < 16; k += 2)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_16[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_16[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_16[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_16[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_16[k][7] * o[7] + add) >> shift;
|
|
}
|
|
|
|
pi4_temp += trans_size;
|
|
pi2_dst++;
|
|
}
|
|
|
|
return u4_blk_sad;
|
|
}
|
|
|
|
|
|
void ihevc_resi_trans_16x16_16bit(WORD16 *pi2_src,
|
|
UWORD8 *pu1_pred,
|
|
WORD16 *pi2_tmp,
|
|
WORD16 *pi2_dst,
|
|
WORD32 src_strd,
|
|
WORD32 pred_strd,
|
|
WORD32 dst_strd)
|
|
{
|
|
WORD32 i, k;
|
|
WORD32 e[8], o[8];
|
|
WORD32 ee[4], eo[4];
|
|
WORD32 eee[2], eeo[2];
|
|
WORD32 add, shift;
|
|
WORD32 trans_size;
|
|
WORD16 *pi2_tmp_orig;
|
|
WORD16 *pi2_dst_orig;
|
|
|
|
pi2_dst_orig = pi2_dst;
|
|
pi2_tmp_orig = pi2_tmp;
|
|
trans_size = TRANS_SIZE_16;
|
|
/* Residue + Forward Transform 1st stage */
|
|
shift = 3; // log2(iWidth) - 1 + g_uiBitIncrement
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
WORD32 resi_tmp_1, resi_tmp_2;
|
|
/* e and o*/
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
resi_tmp_1 = pi2_src[k] - pu1_pred[k];
|
|
resi_tmp_2 = pi2_src[15 - k] - pu1_pred[15 - k];
|
|
e[k] = resi_tmp_1 + resi_tmp_2;
|
|
o[k] = resi_tmp_1 - resi_tmp_2;
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
ee[k] = e[k] + e[7 - k];
|
|
eo[k] = e[k] - e[7 - k];
|
|
}
|
|
/* eee and eeo */
|
|
eee[0] = ee[0] + ee[3];
|
|
eeo[0] = ee[0] - ee[3];
|
|
eee[1] = ee[1] + ee[2];
|
|
eeo[1] = ee[1] - ee[2];
|
|
|
|
pi2_tmp[0] = (g_ai2_ihevc_trans_16[0][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[0][1] * eee[1] + add) >> shift;
|
|
pi2_tmp[8 * trans_size] = (g_ai2_ihevc_trans_16[8][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[8][1] * eee[1] + add) >> shift;
|
|
pi2_tmp[4 * trans_size] = (g_ai2_ihevc_trans_16[4][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[4][1] * eeo[1] + add) >> shift;
|
|
pi2_tmp[12 * trans_size] = (g_ai2_ihevc_trans_16[12][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[12][1] * eeo[1] + add) >> shift;
|
|
|
|
for(k = 2; k < 16; k += 4)
|
|
{
|
|
pi2_tmp[k * trans_size] = (g_ai2_ihevc_trans_16[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * eo[3] + add)
|
|
>> shift;
|
|
}
|
|
|
|
for(k = 1; k < 16; k += 2)
|
|
{
|
|
pi2_tmp[k * trans_size] = (g_ai2_ihevc_trans_16[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_16[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_16[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_16[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_16[k][7] * o[7] + add) >> shift;
|
|
}
|
|
pi2_src += src_strd;
|
|
pu1_pred += pred_strd;
|
|
pi2_tmp++;
|
|
}
|
|
|
|
pi2_tmp = pi2_tmp_orig;
|
|
/* Forward Transform 2nd stage */
|
|
shift = 10; // log2(iHeight) + 6
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < TRANS_SIZE_16; i++)
|
|
{
|
|
/* e and o*/
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
e[k] = pi2_tmp[k] + pi2_tmp[15 - k];
|
|
o[k] = pi2_tmp[k] - pi2_tmp[15 - k];
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
ee[k] = e[k] + e[7 - k];
|
|
eo[k] = e[k] - e[7 - k];
|
|
}
|
|
/* eee and eeo */
|
|
eee[0] = ee[0] + ee[3];
|
|
eeo[0] = ee[0] - ee[3];
|
|
eee[1] = ee[1] + ee[2];
|
|
eeo[1] = ee[1] - ee[2];
|
|
|
|
pi2_dst[0] = (g_ai2_ihevc_trans_16[0][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[0][1] * eee[1] + add) >> shift;
|
|
pi2_dst[8 * dst_strd] = (g_ai2_ihevc_trans_16[8][0] * eee[0]
|
|
+ g_ai2_ihevc_trans_16[8][1] * eee[1] + add) >> shift;
|
|
pi2_dst[4 * dst_strd] = (g_ai2_ihevc_trans_16[4][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[4][1] * eeo[1] + add) >> shift;
|
|
pi2_dst[12 * dst_strd] = (g_ai2_ihevc_trans_16[12][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_16[12][1] * eeo[1] + add) >> shift;
|
|
|
|
for(k = 2; k < 16; k += 4)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_16[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * eo[3] + add)
|
|
>> shift;
|
|
}
|
|
|
|
for(k = 1; k < 16; k += 2)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_16[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_16[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_16[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_16[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_16[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_16[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_16[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_16[k][7] * o[7] + add) >> shift;
|
|
}
|
|
|
|
pi2_tmp += trans_size;
|
|
pi2_dst++;
|
|
}
|
|
}
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief
|
|
* This function performs residue calculation and forward transform on
|
|
* input pixels
|
|
*
|
|
* @par Description:
|
|
* Performs residue calculation by subtracting source and prediction and
|
|
* followed by forward transform
|
|
*
|
|
* @param[in] pu1_src
|
|
* Input 32x32 pixels
|
|
*
|
|
* @param[in] pu1_pred
|
|
* Prediction data
|
|
*
|
|
* @param[in] pi2_tmp
|
|
* Temporary buffer of size 32x32
|
|
*
|
|
* @param[out] pi2_dst
|
|
* Output 32x32 coefficients
|
|
*
|
|
* @param[in] src_strd
|
|
* Input stride
|
|
*
|
|
* @param[in] pred_strd
|
|
* Prediction Stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* Output Stride
|
|
*
|
|
* @param[in] e_chroma_plane
|
|
* Enum singalling chroma plane
|
|
*
|
|
* @returns Void
|
|
*
|
|
* @remarks
|
|
* None
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
|
|
UWORD32 ihevc_resi_trans_32x32(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_pred,
|
|
WORD32 *pi4_temp,
|
|
WORD16 *pi2_dst,
|
|
WORD32 src_strd,
|
|
WORD32 pred_strd,
|
|
WORD32 dst_strd,
|
|
CHROMA_PLANE_ID_T e_chroma_plane)
|
|
{
|
|
WORD32 i, k;
|
|
WORD32 e[16], o[16];
|
|
WORD32 ee[8], eo[8];
|
|
WORD32 eee[4], eeo[4];
|
|
WORD32 eeee[2], eeeo[2];
|
|
WORD32 add, shift;
|
|
WORD32 trans_size;
|
|
WORD32 *pi4_tmp_orig;
|
|
WORD16 *pi2_dst_orig;
|
|
UWORD32 u4_blk_sad = 0 ;
|
|
UNUSED(e_chroma_plane);
|
|
|
|
pi2_dst_orig = pi2_dst;
|
|
pi4_tmp_orig = pi4_temp;
|
|
trans_size = TRANS_SIZE_32;
|
|
/* Residue + Forward Transform 1st stage */
|
|
/* Made to zero to match with intrinsics */
|
|
shift = 0; // 4 : log2(iWidth) - 1 + g_uiBitIncrement
|
|
add = 0 ; //1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
WORD32 resi_tmp_1, resi_tmp_2;
|
|
/* e and o*/
|
|
for(k = 0; k < 16; k++)
|
|
{
|
|
resi_tmp_1 = pu1_src[k] - pu1_pred[k];
|
|
resi_tmp_2 = pu1_src[31 - k] - pu1_pred[31 - k];
|
|
e[k] = resi_tmp_1 + resi_tmp_2;
|
|
o[k] = resi_tmp_1 - resi_tmp_2;
|
|
u4_blk_sad += abs(resi_tmp_1) + abs(resi_tmp_2);
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
ee[k] = e[k] + e[15 - k];
|
|
eo[k] = e[k] - e[15 - k];
|
|
}
|
|
/* eee and eeo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
eee[k] = ee[k] + ee[7 - k];
|
|
eeo[k] = ee[k] - ee[7 - k];
|
|
}
|
|
/* eeee and eeeo */
|
|
eeee[0] = eee[0] + eee[3];
|
|
eeeo[0] = eee[0] - eee[3];
|
|
eeee[1] = eee[1] + eee[2];
|
|
eeeo[1] = eee[1] - eee[2];
|
|
|
|
pi4_temp[0] = (g_ai2_ihevc_trans_32[0][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[0][1] * eeee[1]);// + add) >> shift;
|
|
pi4_temp[16 * trans_size] = (g_ai2_ihevc_trans_32[16][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[16][1] * eeee[1]);// + add) >> shift;
|
|
pi4_temp[8 * trans_size] = (g_ai2_ihevc_trans_32[8][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[8][1] * eeeo[1]);// + add) >> shift;
|
|
pi4_temp[24 * trans_size] = (g_ai2_ihevc_trans_32[24][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[24][1] * eeeo[1]);// + add) >> shift;
|
|
for(k = 4; k < 32; k += 8)
|
|
{
|
|
pi4_temp[k * trans_size] = (g_ai2_ihevc_trans_32[k][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eeo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eeo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eeo[3]);// + add)>> shift;
|
|
}
|
|
for(k = 2; k < 32; k += 4)
|
|
{
|
|
pi4_temp[k * trans_size] = (g_ai2_ihevc_trans_32[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eo[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * eo[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * eo[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * eo[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * eo[7]);// + add)>> shift;
|
|
}
|
|
for(k = 1; k < 32; k += 2)
|
|
{
|
|
pi4_temp[k * trans_size] = (g_ai2_ihevc_trans_32[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * o[7]
|
|
+ g_ai2_ihevc_trans_32[k][8] * o[8]
|
|
+ g_ai2_ihevc_trans_32[k][9] * o[9]
|
|
+ g_ai2_ihevc_trans_32[k][10] * o[10]
|
|
+ g_ai2_ihevc_trans_32[k][11] * o[11]
|
|
+ g_ai2_ihevc_trans_32[k][12] * o[12]
|
|
+ g_ai2_ihevc_trans_32[k][13] * o[13]
|
|
+ g_ai2_ihevc_trans_32[k][14] * o[14]
|
|
+ g_ai2_ihevc_trans_32[k][15] * o[15]);// + add) >> shift;
|
|
}
|
|
pu1_src += src_strd;
|
|
pu1_pred += pred_strd;
|
|
pi4_temp++;
|
|
}
|
|
|
|
pi4_temp = pi4_tmp_orig;
|
|
/* Forward Transform 2nd stage */
|
|
shift = 15; // log2(iHeight) + 6
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < TRANS_SIZE_32; i++)
|
|
{
|
|
/* e and o*/
|
|
for(k = 0; k < 16; k++)
|
|
{
|
|
e[k] = pi4_temp[k] + pi4_temp[31 - k];
|
|
o[k] = pi4_temp[k] - pi4_temp[31 - k];
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
ee[k] = e[k] + e[15 - k];
|
|
eo[k] = e[k] - e[15 - k];
|
|
}
|
|
/* eee and eeo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
eee[k] = ee[k] + ee[7 - k];
|
|
eeo[k] = ee[k] - ee[7 - k];
|
|
}
|
|
/* eeee and eeeo */
|
|
eeee[0] = eee[0] + eee[3];
|
|
eeeo[0] = eee[0] - eee[3];
|
|
eeee[1] = eee[1] + eee[2];
|
|
eeeo[1] = eee[1] - eee[2];
|
|
|
|
pi2_dst[0] = (g_ai2_ihevc_trans_32[0][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[0][1] * eeee[1] + add) >> shift;
|
|
pi2_dst[16 * dst_strd] = (g_ai2_ihevc_trans_32[16][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[16][1] * eeee[1] + add) >> shift;
|
|
pi2_dst[8 * dst_strd] = (g_ai2_ihevc_trans_32[8][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[8][1] * eeeo[1] + add) >> shift;
|
|
pi2_dst[24 * dst_strd] = (g_ai2_ihevc_trans_32[24][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[24][1] * eeeo[1] + add) >> shift;
|
|
for(k = 4; k < 32; k += 8)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_32[k][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eeo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eeo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eeo[3] + add)
|
|
>> shift;
|
|
}
|
|
for(k = 2; k < 32; k += 4)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_32[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eo[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * eo[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * eo[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * eo[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * eo[7] + add)
|
|
>> shift;
|
|
}
|
|
for(k = 1; k < 32; k += 2)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_32[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * o[7]
|
|
+ g_ai2_ihevc_trans_32[k][8] * o[8]
|
|
+ g_ai2_ihevc_trans_32[k][9] * o[9]
|
|
+ g_ai2_ihevc_trans_32[k][10] * o[10]
|
|
+ g_ai2_ihevc_trans_32[k][11] * o[11]
|
|
+ g_ai2_ihevc_trans_32[k][12] * o[12]
|
|
+ g_ai2_ihevc_trans_32[k][13] * o[13]
|
|
+ g_ai2_ihevc_trans_32[k][14] * o[14]
|
|
+ g_ai2_ihevc_trans_32[k][15] * o[15] + add)
|
|
>> shift;
|
|
}
|
|
|
|
pi4_temp += trans_size;
|
|
pi2_dst++;
|
|
}
|
|
|
|
return u4_blk_sad;
|
|
}
|
|
|
|
|
|
|
|
void ihevc_resi_trans_32x32_16bit(WORD16 *pi2_src,
|
|
UWORD8 *pu1_pred,
|
|
WORD16 *pi2_tmp,
|
|
WORD16 *pi2_dst,
|
|
WORD32 src_strd,
|
|
WORD32 pred_strd,
|
|
WORD32 dst_strd)
|
|
{
|
|
WORD32 i, k;
|
|
WORD32 e[16], o[16];
|
|
WORD32 ee[8], eo[8];
|
|
WORD32 eee[4], eeo[4];
|
|
WORD32 eeee[2], eeeo[2];
|
|
WORD32 add, shift;
|
|
WORD32 trans_size;
|
|
WORD16 *pi2_tmp_orig;
|
|
WORD16 *pi2_dst_orig;
|
|
|
|
pi2_dst_orig = pi2_dst;
|
|
pi2_tmp_orig = pi2_tmp;
|
|
trans_size = TRANS_SIZE_32;
|
|
/* Residue + Forward Transform 1st stage */
|
|
shift = 4; // log2(iWidth) - 1 + g_uiBitIncrement
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < trans_size; i++)
|
|
{
|
|
WORD32 resi_tmp_1, resi_tmp_2;
|
|
/* e and o*/
|
|
for(k = 0; k < 16; k++)
|
|
{
|
|
resi_tmp_1 = pi2_src[k] - pu1_pred[k];
|
|
resi_tmp_2 = pi2_src[31 - k] - pu1_pred[31 - k];
|
|
e[k] = resi_tmp_1 + resi_tmp_2;
|
|
o[k] = resi_tmp_1 - resi_tmp_2;
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
ee[k] = e[k] + e[15 - k];
|
|
eo[k] = e[k] - e[15 - k];
|
|
}
|
|
/* eee and eeo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
eee[k] = ee[k] + ee[7 - k];
|
|
eeo[k] = ee[k] - ee[7 - k];
|
|
}
|
|
/* eeee and eeeo */
|
|
eeee[0] = eee[0] + eee[3];
|
|
eeeo[0] = eee[0] - eee[3];
|
|
eeee[1] = eee[1] + eee[2];
|
|
eeeo[1] = eee[1] - eee[2];
|
|
|
|
pi2_tmp[0] = (g_ai2_ihevc_trans_32[0][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[0][1] * eeee[1] + add) >> shift;
|
|
pi2_tmp[16 * trans_size] = (g_ai2_ihevc_trans_32[16][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[16][1] * eeee[1] + add) >> shift;
|
|
pi2_tmp[8 * trans_size] = (g_ai2_ihevc_trans_32[8][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[8][1] * eeeo[1] + add) >> shift;
|
|
pi2_tmp[24 * trans_size] = (g_ai2_ihevc_trans_32[24][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[24][1] * eeeo[1] + add) >> shift;
|
|
for(k = 4; k < 32; k += 8)
|
|
{
|
|
pi2_tmp[k * trans_size] = (g_ai2_ihevc_trans_32[k][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eeo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eeo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eeo[3] + add)
|
|
>> shift;
|
|
}
|
|
for(k = 2; k < 32; k += 4)
|
|
{
|
|
pi2_tmp[k * trans_size] = (g_ai2_ihevc_trans_32[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eo[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * eo[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * eo[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * eo[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * eo[7] + add)
|
|
>> shift;
|
|
}
|
|
for(k = 1; k < 32; k += 2)
|
|
{
|
|
pi2_tmp[k * trans_size] = (g_ai2_ihevc_trans_32[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * o[7]
|
|
+ g_ai2_ihevc_trans_32[k][8] * o[8]
|
|
+ g_ai2_ihevc_trans_32[k][9] * o[9]
|
|
+ g_ai2_ihevc_trans_32[k][10] * o[10]
|
|
+ g_ai2_ihevc_trans_32[k][11] * o[11]
|
|
+ g_ai2_ihevc_trans_32[k][12] * o[12]
|
|
+ g_ai2_ihevc_trans_32[k][13] * o[13]
|
|
+ g_ai2_ihevc_trans_32[k][14] * o[14]
|
|
+ g_ai2_ihevc_trans_32[k][15] * o[15] + add)
|
|
>> shift;
|
|
}
|
|
pi2_src += src_strd;
|
|
pu1_pred += pred_strd;
|
|
pi2_tmp++;
|
|
}
|
|
|
|
pi2_tmp = pi2_tmp_orig;
|
|
/* Forward Transform 2nd stage */
|
|
shift = 11; // log2(iHeight) + 6
|
|
add = 1 << (shift - 1);
|
|
|
|
for(i = 0; i < TRANS_SIZE_32; i++)
|
|
{
|
|
/* e and o*/
|
|
for(k = 0; k < 16; k++)
|
|
{
|
|
e[k] = pi2_tmp[k] + pi2_tmp[31 - k];
|
|
o[k] = pi2_tmp[k] - pi2_tmp[31 - k];
|
|
}
|
|
/* ee and eo */
|
|
for(k = 0; k < 8; k++)
|
|
{
|
|
ee[k] = e[k] + e[15 - k];
|
|
eo[k] = e[k] - e[15 - k];
|
|
}
|
|
/* eee and eeo */
|
|
for(k = 0; k < 4; k++)
|
|
{
|
|
eee[k] = ee[k] + ee[7 - k];
|
|
eeo[k] = ee[k] - ee[7 - k];
|
|
}
|
|
/* eeee and eeeo */
|
|
eeee[0] = eee[0] + eee[3];
|
|
eeeo[0] = eee[0] - eee[3];
|
|
eeee[1] = eee[1] + eee[2];
|
|
eeeo[1] = eee[1] - eee[2];
|
|
|
|
pi2_dst[0] = (g_ai2_ihevc_trans_32[0][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[0][1] * eeee[1] + add) >> shift;
|
|
pi2_dst[16 * dst_strd] = (g_ai2_ihevc_trans_32[16][0] * eeee[0]
|
|
+ g_ai2_ihevc_trans_32[16][1] * eeee[1] + add) >> shift;
|
|
pi2_dst[8 * dst_strd] = (g_ai2_ihevc_trans_32[8][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[8][1] * eeeo[1] + add) >> shift;
|
|
pi2_dst[24 * dst_strd] = (g_ai2_ihevc_trans_32[24][0] * eeeo[0]
|
|
+ g_ai2_ihevc_trans_32[24][1] * eeeo[1] + add) >> shift;
|
|
for(k = 4; k < 32; k += 8)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_32[k][0] * eeo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eeo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eeo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eeo[3] + add)
|
|
>> shift;
|
|
}
|
|
for(k = 2; k < 32; k += 4)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_32[k][0] * eo[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * eo[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * eo[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * eo[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * eo[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * eo[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * eo[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * eo[7] + add)
|
|
>> shift;
|
|
}
|
|
for(k = 1; k < 32; k += 2)
|
|
{
|
|
pi2_dst[k * dst_strd] = (g_ai2_ihevc_trans_32[k][0] * o[0]
|
|
+ g_ai2_ihevc_trans_32[k][1] * o[1]
|
|
+ g_ai2_ihevc_trans_32[k][2] * o[2]
|
|
+ g_ai2_ihevc_trans_32[k][3] * o[3]
|
|
+ g_ai2_ihevc_trans_32[k][4] * o[4]
|
|
+ g_ai2_ihevc_trans_32[k][5] * o[5]
|
|
+ g_ai2_ihevc_trans_32[k][6] * o[6]
|
|
+ g_ai2_ihevc_trans_32[k][7] * o[7]
|
|
+ g_ai2_ihevc_trans_32[k][8] * o[8]
|
|
+ g_ai2_ihevc_trans_32[k][9] * o[9]
|
|
+ g_ai2_ihevc_trans_32[k][10] * o[10]
|
|
+ g_ai2_ihevc_trans_32[k][11] * o[11]
|
|
+ g_ai2_ihevc_trans_32[k][12] * o[12]
|
|
+ g_ai2_ihevc_trans_32[k][13] * o[13]
|
|
+ g_ai2_ihevc_trans_32[k][14] * o[14]
|
|
+ g_ai2_ihevc_trans_32[k][15] * o[15] + add)
|
|
>> shift;
|
|
}
|
|
|
|
pi2_tmp += trans_size;
|
|
pi2_dst++;
|
|
}
|
|
}
|
|
|