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1264 lines
35 KiB
1264 lines
35 KiB
/******************************************************************************
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*
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* Copyright (C) 2015 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 ih264e_distortion_metrics.c
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*
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* @brief
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* This file contains definitions of routines that compute distortion
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* between two macro/sub blocks of identical dimensions
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*
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* @author
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* Ittiam
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*
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* @par List of Functions:
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* - ime_sub_pel_compute_sad_16x16()
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* - ime_calculate_sad4_prog()
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* - ime_calculate_sad3_prog()
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* - ime_calculate_sad2_prog()
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* - ime_compute_sad_16x16()
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* - ime_compute_sad_16x16_fast()
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* - ime_compute_sad_16x16_ea8()
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* - ime_compute_sad_8x8()
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* - ime_compute_sad_4x4()
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* - ime_compute_sad_16x8()
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* - ime_compute_satqd_16x16_lumainter()
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* - ime_compute_satqd_8x16_chroma()
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* - ime_compute_satqd_16x16_lumaintra()
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*
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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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/* File Includes */
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/*****************************************************************************/
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/* System include files */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* User include files */
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#include "ime_typedefs.h"
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#include "ime_defs.h"
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#include "ime_macros.h"
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#include "ime_statistics.h"
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#include "ime_platform_macros.h"
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#include "ime_distortion_metrics.h"
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/*****************************************************************************/
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/* Function Definitions */
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/*****************************************************************************/
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/**
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******************************************************************************
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*
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* @brief computes distortion (SAD) at all subpel points about the src location
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*
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* @par Description
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* This functions computes SAD at all points at a subpel distance from the
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* current source location.
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*
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* @param[in] pu1_src
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* UWORD8 pointer to the source
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*
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* @param[out] pu1_ref_half_x
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* UWORD8 pointer to half pel buffer
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*
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* @param[out] pu1_ref_half_y
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* UWORD8 pointer to half pel buffer
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*
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* @param[out] pu1_ref_half_xy
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* UWORD8 pointer to half pel buffer
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*
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* @param[in] src_strd
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* integer source stride
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*
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* @param[in] ref_strd
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* integer ref stride
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*
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* @param[out] pi4_sad
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* integer evaluated sad
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* pi4_sad[0] - half x
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* pi4_sad[1] - half x - 1
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* pi4_sad[2] - half y
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* pi4_sad[3] - half y - 1
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* pi4_sad[4] - half xy
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* pi4_sad[5] - half xy - 1
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* pi4_sad[6] - half xy - strd
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* pi4_sad[7] - half xy - 1 - strd
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*
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* @remarks
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*
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******************************************************************************
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*/
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void ime_sub_pel_compute_sad_16x16(UWORD8 *pu1_src,
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UWORD8 *pu1_ref_half_x,
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UWORD8 *pu1_ref_half_y,
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UWORD8 *pu1_ref_half_xy,
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WORD32 src_strd,
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WORD32 ref_strd,
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WORD32 *pi4_sad)
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{
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UWORD8 *pu1_ref_half_x_left = pu1_ref_half_x - 1;
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UWORD8 *pu1_ref_half_y_top = pu1_ref_half_y - ref_strd;
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UWORD8 *pu1_ref_half_xy_left = pu1_ref_half_xy - 1;
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UWORD8 *pu1_ref_half_xy_top = pu1_ref_half_xy - ref_strd;
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UWORD8 *pu1_ref_half_xy_top_left = pu1_ref_half_xy - ref_strd - 1;
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WORD32 row, col;
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memset(pi4_sad, 0, 8 * sizeof(WORD32));
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for(row = 0; row < MB_SIZE; row++)
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{
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for(col = 0; col < MB_SIZE; col++)
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{
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WORD32 src;
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WORD32 diff;
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src = pu1_src[col];
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diff = src - pu1_ref_half_x[col];
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pi4_sad[0] += ABS(diff);
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diff = src - pu1_ref_half_x_left[col];
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pi4_sad[1] += ABS(diff);
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diff = src - pu1_ref_half_y[col];
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pi4_sad[2] += ABS(diff);
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diff = src - pu1_ref_half_y_top[col];
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pi4_sad[3] += ABS(diff);
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diff = src - pu1_ref_half_xy[col];
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pi4_sad[4] += ABS(diff);
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diff = src - pu1_ref_half_xy_left[col];
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pi4_sad[5] += ABS(diff);
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diff = src - pu1_ref_half_xy_top[col];
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pi4_sad[6] += ABS(diff);
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diff = src - pu1_ref_half_xy_top_left[col];
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pi4_sad[7] += ABS(diff);
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}
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pu1_src += src_strd;
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pu1_ref_half_x += ref_strd;
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pu1_ref_half_x_left += ref_strd;
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pu1_ref_half_y += ref_strd;
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pu1_ref_half_y_top += ref_strd;
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pu1_ref_half_xy += ref_strd;
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pu1_ref_half_xy_left += ref_strd;
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pu1_ref_half_xy_top += ref_strd;
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pu1_ref_half_xy_top_left += ref_strd;
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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 compute sad
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*
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* @par Description: This function computes the sad at vertices of diamond grid
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* centered at reference pointer and at unit distance from it.
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*
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* @param[in] pu1_ref
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* UWORD8 pointer to the reference
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*
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* @param[out] pu1_src
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* UWORD8 pointer to the source
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*
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* @param[in] ref_strd
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* integer reference stride
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*
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* @param[in] src_strd
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* integer source stride
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*
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* @param[out] pi4_sad
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* pointer to integer array evaluated sad
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*
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* @returns sad at all evaluated vertexes
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*
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* @remarks none
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*
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*******************************************************************************
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*/
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void ime_calculate_sad4_prog(UWORD8 *pu1_ref,
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UWORD8 *pu1_src,
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WORD32 ref_strd,
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WORD32 src_strd,
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WORD32 *pi4_sad)
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{
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/* reference ptrs at unit 1 distance in diamond pattern centered at pu1_ref */
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UWORD8 *left_ptr = pu1_ref - 1;
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UWORD8 *right_ptr = pu1_ref + 1;
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UWORD8 *top_ptr = pu1_ref - ref_strd;
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UWORD8 *bot_ptr = pu1_ref + ref_strd;
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/* temp var */
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WORD32 count2, count3;
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UWORD32 u4_ref_buf_offset = ref_strd - MB_SIZE;
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UWORD32 u4_cur_buf_offset = src_strd - MB_SIZE;
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memset(pi4_sad, 0, 4 * sizeof(WORD32));
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for(count2 = MB_SIZE; count2 > 0; count2--)
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{
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for(count3 = MB_SIZE; count3 > 0 ; count3--)
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{
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WORD32 src;
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WORD32 diff;
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src = *pu1_src++;
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diff = src - *left_ptr++;
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pi4_sad[0] += ABS(diff);
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diff = src - *right_ptr++;
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pi4_sad[1] += ABS(diff);
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diff = src - *top_ptr++;
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pi4_sad[2] += ABS(diff);
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diff = src - *bot_ptr++;
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pi4_sad[3] += ABS(diff);
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}
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bot_ptr += u4_ref_buf_offset;
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left_ptr += u4_ref_buf_offset;
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right_ptr += u4_ref_buf_offset;
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top_ptr += u4_ref_buf_offset;
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pu1_src += u4_cur_buf_offset;
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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 compute sad
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*
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* @par Description: This function computes the sad at vertices of diamond grid
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* centered at reference pointer and at unit distance from it.
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*
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* @param[in] pu1_ref1, pu1_ref2, pu1_ref3
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* UWORD8 pointer to the reference
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*
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* @param[out] pu1_src
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* UWORD8 pointer to the source
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*
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* @param[in] ref_strd
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* integer reference stride
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*
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* @param[in] src_strd
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* integer source stride
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*
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* @param[out] pi4_sad
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* pointer to integer array evaluated sad
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*
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* @returns sad at all evaluated vertexes
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*
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* @remarks none
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*
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*******************************************************************************
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*/
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void ime_calculate_sad3_prog(UWORD8 *pu1_ref1,
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UWORD8 *pu1_ref2,
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UWORD8 *pu1_ref3,
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UWORD8 *pu1_src,
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WORD32 ref_strd,
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WORD32 src_strd,
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WORD32 *pi4_sad)
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{
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/* temp var */
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WORD32 i;
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UWORD32 u4_ref_buf_offset = ref_strd - MB_SIZE;
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UWORD32 u4_cur_buf_offset = src_strd - MB_SIZE;
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for(i = 16; i > 0; i--)
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{
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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USADA8(pu1_src, pu1_ref3, pi4_sad[2]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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pu1_ref3 += 4;
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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USADA8(pu1_src, pu1_ref3, pi4_sad[2]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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pu1_ref3 += 4;
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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USADA8(pu1_src, pu1_ref3, pi4_sad[2]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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pu1_ref3 += 4;
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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USADA8(pu1_src, pu1_ref3, pi4_sad[2]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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pu1_ref3 += 4;
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pu1_src += u4_cur_buf_offset;
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pu1_ref1 += u4_ref_buf_offset;
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pu1_ref2 += u4_ref_buf_offset;
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pu1_ref3 += u4_ref_buf_offset;
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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 compute sad
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*
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* @par Description: This function computes the sad at vertices of diamond grid
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* centered at reference pointer and at unit distance from it.
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*
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* @param[in] pu1_ref1, pu1_ref2
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* UWORD8 pointer to the reference
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*
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* @param[out] pu1_src
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* UWORD8 pointer to the source
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*
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* @param[in] ref_strd
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* integer reference stride
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*
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* @param[in] src_strd
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* integer source stride
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*
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* @param[out] pi4_sad
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* pointer to integer array evaluated sad
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*
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* @returns sad at all evaluated vertexes
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*
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* @remarks none
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*
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*******************************************************************************
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*/
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void ime_calculate_sad2_prog(UWORD8 *pu1_ref1,
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UWORD8 *pu1_ref2,
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UWORD8 *pu1_src,
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WORD32 ref_strd,
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WORD32 src_strd,
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WORD32 *pi4_sad)
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{
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/* temp var */
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WORD32 i;
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UWORD32 u4_ref_buf_offset = ref_strd - MB_SIZE;
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UWORD32 u4_cur_buf_offset = src_strd - MB_SIZE;
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for(i = 16; i > 0; i--)
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{
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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USADA8(pu1_src, pu1_ref1, pi4_sad[0]);
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USADA8(pu1_src, pu1_ref2, pi4_sad[1]);
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pu1_src += 4;
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pu1_ref1 += 4;
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pu1_ref2 += 4;
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pu1_src += u4_cur_buf_offset;
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pu1_ref1 += u4_ref_buf_offset;
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pu1_ref2 += u4_ref_buf_offset;
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}
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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 computes distortion (SAD) between 2 16x16 blocks
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*
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* @par Description
|
|
* This functions computes SAD between 2 16x16 blocks. There is a provision
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* for early exit if the up-to computed SAD exceeds maximum allowed SAD. To
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* compute the distortion of the entire block set u4_max_sad to USHRT_MAX.
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*
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* @param[in] pu1_src
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* UWORD8 pointer to the source
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*
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* @param[out] pu1_dst
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* UWORD8 pointer to the destination
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*
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* @param[in] src_strd
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* integer source stride
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*
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* @param[in] dst_strd
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* integer destination stride
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*
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* @param[in] i4_max_sad
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* integer maximum allowed distortion
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*
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* @param[out] pi4_mb_distortion
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* integer evaluated sad
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*
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* @remarks
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*
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******************************************************************************
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*/
|
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void ime_compute_sad_16x16(UWORD8 *pu1_src,
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UWORD8 *pu1_est,
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WORD32 src_strd,
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WORD32 est_strd,
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WORD32 i4_max_sad,
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WORD32 *pi4_mb_distortion)
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{
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WORD32 i4_sad = 0;
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UWORD32 u4_src_offset = src_strd - 16;
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UWORD32 u4_est_offset = est_strd - 16;
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UWORD32 i;
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GATHER_16x16_SAD_EE_STATS(gu4_16x16_sad_ee_stats, 16);
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for(i = 16; i > 0; i--)
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{
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USADA8(pu1_src, pu1_est, i4_sad);
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pu1_src += 4;
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pu1_est += 4;
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USADA8(pu1_src, pu1_est, i4_sad);
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pu1_src += 4;
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pu1_est += 4;
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USADA8(pu1_src, pu1_est, i4_sad);
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pu1_src += 4;
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pu1_est += 4;
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USADA8(pu1_src, pu1_est, i4_sad);
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pu1_src += 4;
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pu1_est += 4;
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|
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/* early exit */
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if(i4_max_sad < i4_sad)
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{
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GATHER_16x16_SAD_EE_STATS(gu4_16x16_sad_ee_stats, 16-i);
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*pi4_mb_distortion = i4_sad;
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return ;
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}
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pu1_src += u4_src_offset;
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pu1_est += u4_est_offset;
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}
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*pi4_mb_distortion = i4_sad;
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return ;
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}
|
|
|
|
/**
|
|
******************************************************************************
|
|
*
|
|
* @brief computes distortion (SAD) between 2 16x16 blocks (fast mode)
|
|
*
|
|
* @par Description
|
|
* This functions computes SAD between 2 16x16 blocks. There is a provision
|
|
* for early exit if the up-to computed SAD exceeds maximum allowed SAD. To
|
|
* compute the distortion of the entire block set u4_max_sad to USHRT_MAX.
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] i4_max_sad
|
|
* integer maximum allowed distortion
|
|
*
|
|
* @param[out] pi4_mb_distortion
|
|
* integer evaluated sad
|
|
*
|
|
* @remarks
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
void ime_compute_sad_16x16_fast(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
WORD32 i4_max_sad,
|
|
WORD32 *pi4_mb_distortion)
|
|
{
|
|
|
|
WORD32 i4_sad = 0;
|
|
UWORD32 u4_src_offset = 2 * src_strd - 16;
|
|
UWORD32 u4_est_offset = 2 * est_strd - 16;
|
|
UWORD32 i;
|
|
|
|
UNUSED(i4_max_sad);
|
|
|
|
for(i = 16; i > 0; i-= 2)
|
|
{
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
pu1_src += 4;
|
|
pu1_est += 4;
|
|
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
pu1_src += 4;
|
|
pu1_est += 4;
|
|
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
pu1_src += 4;
|
|
pu1_est += 4;
|
|
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
pu1_src += 4;
|
|
pu1_est += 4;
|
|
|
|
pu1_src += u4_src_offset;
|
|
pu1_est += u4_est_offset;
|
|
}
|
|
|
|
*pi4_mb_distortion = (i4_sad << 1);
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
******************************************************************************
|
|
*
|
|
* @brief computes distortion (SAD) between 2 8x8 blocks
|
|
*
|
|
* @par Description
|
|
* This functions computes SAD between 2 8x8 blocks. There is a provision
|
|
* for early exit if the up-to computed SAD exceeds maximum allowed SAD. To
|
|
* compute the distortion of the entire block set u4_max_sad to USHRT_MAX.
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] u4_max_sad
|
|
* integer maximum allowed distortion
|
|
*
|
|
* @param[out] i4_sad
|
|
* integer evaluated sad
|
|
*
|
|
* @remarks
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
void ime_compute_sad_8x8(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
WORD32 i4_max_sad,
|
|
WORD32 *pi4_mb_distortion)
|
|
{
|
|
WORD32 i4_sad = 0;
|
|
UWORD32 u4_src_offset = src_strd - 8;
|
|
UWORD32 u4_est_offset = est_strd - 8;
|
|
UWORD32 i, j;
|
|
WORD16 temp;
|
|
|
|
for(i = 8; i > 0; i--)
|
|
{
|
|
for(j = 8; j > 0; j--)
|
|
{
|
|
/* SAD */
|
|
temp = *pu1_src++ - *pu1_est++;
|
|
i4_sad += ABS(temp);
|
|
}
|
|
/* early exit */
|
|
if(i4_max_sad < i4_sad)
|
|
{
|
|
*pi4_mb_distortion = i4_sad;
|
|
return;
|
|
}
|
|
pu1_src += u4_src_offset;
|
|
pu1_est += u4_est_offset;
|
|
}
|
|
*pi4_mb_distortion = i4_sad;
|
|
}
|
|
|
|
/**
|
|
******************************************************************************
|
|
*
|
|
* @brief computes distortion (SAD) between 2 4x4 blocks
|
|
*
|
|
* @par Description
|
|
* This functions computes SAD between 2 4x4 blocks. There is a provision
|
|
* for early exit if the up-to computed SAD exceeds maximum allowed SAD. To
|
|
* compute the distortion of the entire block set u4_max_sad to USHRT_MAX.
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] u4_max_sad
|
|
* integer maximum allowed distortion
|
|
*
|
|
* @param[out] pi4_mb_distortion
|
|
* integer evaluated sad
|
|
*
|
|
* @remarks
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
void ime_compute_sad_4x4
|
|
(
|
|
UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
WORD32 i4_max_sad,
|
|
WORD32 *pi4_mb_distortion
|
|
)
|
|
{
|
|
WORD32 i4_sad = 0;
|
|
|
|
UNUSED(i4_max_sad);
|
|
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
pu1_src += src_strd;
|
|
pu1_est += est_strd;
|
|
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
pu1_src += src_strd;
|
|
pu1_est += est_strd;
|
|
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
pu1_src += src_strd;
|
|
pu1_est += est_strd;
|
|
|
|
USADA8(pu1_src, pu1_est, i4_sad);
|
|
*pi4_mb_distortion = i4_sad;
|
|
}
|
|
|
|
|
|
/**
|
|
******************************************************************************
|
|
*
|
|
* @brief computes distortion (SAD) between 2 16x8 blocks
|
|
*
|
|
*
|
|
* @par Description
|
|
* This functions computes SAD between 2 16x8 blocks. There is a provision
|
|
* for early exit if the up-to computed SAD exceeds maximum allowed SAD. To
|
|
* compute the distortion of the entire block set u4_max_sad to USHRT_MAX.
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] u4_max_sad
|
|
* integer maximum allowed distortion
|
|
*
|
|
* @param[out] pi4_mb_distortion
|
|
* integer evaluated sad
|
|
*
|
|
* @remarks
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
void ime_compute_sad_16x8
|
|
(
|
|
UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
WORD32 i4_max_sad,
|
|
WORD32 *pi4_mb_distortion
|
|
)
|
|
{
|
|
WORD32 i4_sad = 0;
|
|
UWORD32 u4_src_offset = src_strd - 16;
|
|
UWORD32 u4_est_offset = est_strd - 16;
|
|
UWORD32 i, j;
|
|
WORD16 temp;
|
|
|
|
GATHER_16x8_SAD_EE_STATS(gu4_16x8_sad_ee_stats, 8);
|
|
|
|
for(i = 8; i > 0; i--)
|
|
{
|
|
for(j = 16; j > 0; j--)
|
|
{
|
|
/* SAD */
|
|
temp = *pu1_src++ - *pu1_est++;
|
|
i4_sad += ABS(temp);
|
|
}
|
|
/* early exit */
|
|
if(i4_max_sad < i4_sad)
|
|
{
|
|
|
|
GATHER_16x8_SAD_EE_STATS(gu4_16x8_sad_ee_stats, 8-i);
|
|
|
|
*pi4_mb_distortion = i4_sad;
|
|
|
|
return;
|
|
}
|
|
pu1_src += u4_src_offset;
|
|
pu1_est += u4_est_offset;
|
|
}
|
|
|
|
*pi4_mb_distortion = i4_sad;
|
|
return;
|
|
|
|
}
|
|
|
|
/**
|
|
******************************************************************************
|
|
*
|
|
* @brief computes distortion (SAD) between 2 16x16 blocks
|
|
*
|
|
* @par Description
|
|
* This functions computes SAD between 2 16x16 blocks. There is a provision
|
|
* for early exit if the up-to computed SAD exceeds maximum allowed SAD. To
|
|
* compute the distortion of the entire block set u4_max_sad to USHRT_MAX.
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] i4_max_sad
|
|
* integer maximum allowed distortion
|
|
*
|
|
* @param[out] pi4_mb_distortion
|
|
* integer evaluated sad
|
|
*
|
|
* @remarks
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
void ime_compute_sad_16x16_ea8(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
WORD32 i4_max_sad,
|
|
WORD32 *pi4_mb_distortion)
|
|
{
|
|
WORD32 i4_sad = 0;
|
|
UWORD32 u4_src_offset = src_strd - 16;
|
|
UWORD32 u4_est_offset = est_strd - 16;
|
|
UWORD32 i, j;
|
|
WORD16 temp;
|
|
UWORD8 *pu1_src_temp = pu1_src + src_strd;
|
|
UWORD8 *pu1_est_temp = pu1_est + est_strd;
|
|
|
|
for(i = 16; i > 0; i -= 2)
|
|
{
|
|
for(j = 16; j > 0; j--)
|
|
{
|
|
/* SAD */
|
|
temp = *pu1_src++ - *pu1_est++;
|
|
i4_sad += ABS(temp);
|
|
}
|
|
|
|
pu1_src += (u4_src_offset + src_strd);
|
|
pu1_est += (u4_est_offset + est_strd);
|
|
|
|
}
|
|
|
|
/* early exit */
|
|
if(i4_max_sad < i4_sad)
|
|
{
|
|
*pi4_mb_distortion = i4_sad;
|
|
return;
|
|
}
|
|
|
|
pu1_src = pu1_src_temp;
|
|
pu1_est = pu1_est_temp;
|
|
|
|
for(i = 16; i > 0; i -= 2)
|
|
{
|
|
for(j = 16; j > 0; j--)
|
|
{
|
|
/* SAD */
|
|
temp = *pu1_src++ - *pu1_est++;
|
|
i4_sad += ABS(temp);
|
|
}
|
|
|
|
pu1_src += u4_src_offset + src_strd;
|
|
pu1_est += u4_est_offset + est_strd;
|
|
}
|
|
|
|
*pi4_mb_distortion = i4_sad;
|
|
return;
|
|
}
|
|
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief This function computes SAD between two 16x16 blocks
|
|
* It also computes if the block will be zero after H264 transform and quant for
|
|
* Intra 16x16 blocks
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] pu2_thrsh
|
|
* Threshold for each element of transofrmed quantized block
|
|
*
|
|
* @param[out] pi4_mb_distortion
|
|
* integer evaluated sad
|
|
*
|
|
* @param[out] pu4_is_zero
|
|
* Poitner to store if the block is zero after transform and quantization
|
|
*
|
|
* @remarks
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
void ime_compute_satqd_16x16_lumainter(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
UWORD16 *pu2_thrsh,
|
|
WORD32 *pi4_mb_distortion,
|
|
UWORD32 *pu4_is_non_zero)
|
|
{
|
|
UWORD32 i,j;
|
|
WORD16 s1,s2,s3,s4,sad_1,sad_2,ls1,ls2,ls3,ls4,ls5,ls6,ls7,ls8;
|
|
UWORD8 *pu1_src_lp,*pu1_est_lp;
|
|
UWORD32 sad = 0;
|
|
|
|
(*pi4_mb_distortion) = 0;
|
|
for(i=0;i<4;i++)
|
|
{
|
|
for(j=0;j<4;j++)
|
|
{
|
|
pu1_src_lp = pu1_src + 4*j;
|
|
pu1_est_lp = pu1_est + 4*j;
|
|
|
|
s1 = ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s4 = ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s2 = ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s3 = ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s2 += ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s3 += ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s1 += ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s4 += ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
sad_1 = s1+s2+s3+s4;
|
|
|
|
if(sad == 0)
|
|
{
|
|
sad_2 = sad_1<<1;
|
|
|
|
ls1 = sad_2 -(s2 + s3);
|
|
ls2 = sad_2 -(s1 + s4);
|
|
ls3 = sad_2 -(s3 + s4);
|
|
ls4 = sad_2 -(s3 - (s1<<1));
|
|
ls5 = sad_2 -(s4 - (s2<<1));
|
|
ls6 = sad_2 -(s1 + s2);
|
|
ls7 = sad_2 -(s2 - (s4<<1));
|
|
ls8 = sad_2 -(s1 - (s3<<1));
|
|
|
|
if(
|
|
pu2_thrsh[8] <= sad_1 ||
|
|
pu2_thrsh[0] <= ls2 ||
|
|
pu2_thrsh[1] <= ls1 ||
|
|
pu2_thrsh[2] <= ls8 ||
|
|
pu2_thrsh[3] <= ls5 ||
|
|
|
|
pu2_thrsh[4] <= ls6 ||
|
|
pu2_thrsh[5] <= ls3 ||
|
|
pu2_thrsh[6] <= ls7 ||
|
|
pu2_thrsh[7] <= ls4
|
|
|
|
)sad = 1;
|
|
}
|
|
(*pi4_mb_distortion) += sad_1;
|
|
}
|
|
pu1_src += (src_strd *4);
|
|
pu1_est += (est_strd *4);
|
|
}
|
|
*pu4_is_non_zero = sad;
|
|
}
|
|
|
|
|
|
/**
|
|
******************************************************************************
|
|
*
|
|
* @brief computes distortion (SAD and SAQTD) between 2 16x8 (interleaved) chroma blocks
|
|
*
|
|
*
|
|
* @par Description
|
|
* This functions computes SAD between2 16x8 chroma blocks(interleaved)
|
|
* It also checks if the SATDD(Sum of absolute transformed wuqntized differnce beteern the blocks
|
|
* If SAQTD is zero, it gives back zero
|
|
* Other wise sad is retrned
|
|
* There is no provison for early exit
|
|
*
|
|
* The transform done here is the transform for chroma blocks in H264
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] pu2_thrsh
|
|
* Threshold for each element of transofrmed quantized block
|
|
*
|
|
* @param[out] pi4_mb_distortion
|
|
* integer evaluated sad
|
|
*
|
|
* @remarks
|
|
* Fucntion code is nit updated.
|
|
* Will require debugging and minor modifications
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
void ime_compute_satqd_8x16_chroma(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
WORD32 max_sad,
|
|
UWORD16 *thrsh)
|
|
{
|
|
WORD32 i,j,plane;
|
|
WORD16 s1,s2,s3,s4,sad_1,sad_2,ls1,ls2,ls3,ls4,ls5,ls6,ls7,ls8;
|
|
UWORD8 *pu1_src_lp,*pu1_est_lp,*pu1_src_plane,*pu1_est_plane;
|
|
WORD32 sad =0;
|
|
UNUSED(max_sad);
|
|
|
|
pu1_src_plane = pu1_src;
|
|
pu1_est_plane = pu1_est;
|
|
|
|
for(plane =0;plane<2;plane++)
|
|
{
|
|
for(i=0;i<4;i++)
|
|
{
|
|
for(j=0;j<4;j++)
|
|
{
|
|
pu1_src_lp = pu1_src + 8*j;
|
|
pu1_est_lp = pu1_est + 8*j;
|
|
|
|
s1 = ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[6] - (WORD16)pu1_est_lp[6]);
|
|
s4 = ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2])+ ABS((WORD16)pu1_src_lp[4] - (WORD16)pu1_est_lp[4]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s2 = ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[6] - (WORD16)pu1_est_lp[6]);
|
|
s3 = ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2])+ ABS((WORD16)pu1_src_lp[4] - (WORD16)pu1_est_lp[4]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s2 += ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[6] - (WORD16)pu1_est_lp[6]);
|
|
s3 += ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2])+ ABS((WORD16)pu1_src_lp[4] - (WORD16)pu1_est_lp[4]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s1 += ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[6] - (WORD16)pu1_est_lp[6]);
|
|
s4 += ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2])+ ABS((WORD16)pu1_src_lp[4] - (WORD16)pu1_est_lp[4]);
|
|
|
|
sad_1 = s1+s2+s3+s4;
|
|
sad_2 = sad_1<<1;
|
|
|
|
ls1 = sad_2 -(s2 + s3);
|
|
ls2 = sad_2 -(s1 + s4);
|
|
ls3 = sad_2 -(s3 + s4);
|
|
ls4 = sad_2 -(s3 - (s1<<1));
|
|
ls5 = sad_2 -(s4 - (s2<<1));
|
|
ls6 = sad_2 -(s1 + s2);
|
|
ls7 = sad_2 -(s2 - (s4<<1));
|
|
ls8 = sad_2 -(s1 - (s3<<1));
|
|
|
|
if(
|
|
//thrsh[0] > sad_1 && Chroma Dc is checked later
|
|
thrsh[1] > ls1 &&
|
|
thrsh[2] > sad_1 &&
|
|
thrsh[3] > ls2 &&
|
|
|
|
thrsh[4] > ls3 &&
|
|
thrsh[5] > ls4 &&
|
|
thrsh[6] > ls3 &&
|
|
thrsh[7] > ls5 &&
|
|
|
|
thrsh[8] > sad_1 &&
|
|
thrsh[9] > ls1 &&
|
|
thrsh[10]> sad_1 &&
|
|
thrsh[11]> ls2 &&
|
|
|
|
thrsh[12]> ls6 &&
|
|
thrsh[13]> ls7 &&
|
|
thrsh[14]> ls6 &&
|
|
thrsh[15]> ls8
|
|
)
|
|
{
|
|
/*set current sad to be zero*/
|
|
}
|
|
else
|
|
return ;
|
|
|
|
sad += sad_1;
|
|
}
|
|
pu1_src += (src_strd *4);
|
|
pu1_est += (est_strd *4);
|
|
}
|
|
if(sad < (thrsh[0]<<1))sad = 0;
|
|
else return ;
|
|
|
|
pu1_src = pu1_src_plane+1;
|
|
pu1_est = pu1_est_plane+1;
|
|
}
|
|
return ;
|
|
}
|
|
|
|
|
|
/**
|
|
******************************************************************************
|
|
*
|
|
* @brief computes distortion (SAD and SAQTD) between 2 16x16 blocks
|
|
*
|
|
* @par Description
|
|
* This functions computes SAD between 2 16x16 blocks.
|
|
* It also checks if the SATDD(Sum of absolute transformed wuqntized differnce beteern the blocks
|
|
* If SAQTD is zero, it gives back zero
|
|
* Other wise sad is retrned
|
|
* There is no provison for early exit
|
|
*
|
|
* The transform done here is the transform for inter 16x16 blocks in H264
|
|
*
|
|
* @param[in] pu1_src
|
|
* UWORD8 pointer to the source
|
|
*
|
|
* @param[out] pu1_dst
|
|
* UWORD8 pointer to the destination
|
|
*
|
|
* @param[in] src_strd
|
|
* integer source stride
|
|
*
|
|
* @param[in] dst_strd
|
|
* integer destination stride
|
|
*
|
|
* @param[in] pu2_thrsh
|
|
* Threshold for each element of transofrmed quantized block
|
|
*
|
|
* @param[out] pi4_mb_distortion
|
|
* integer evaluated sad
|
|
*
|
|
* @remarks
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
void ime_compute_satqd_16x16_lumaintra(UWORD8 *pu1_src,
|
|
UWORD8 *pu1_est,
|
|
WORD32 src_strd,
|
|
WORD32 est_strd,
|
|
WORD32 max_sad,
|
|
UWORD16 *thrsh,
|
|
WORD32 *pi4_mb_distortion,
|
|
UWORD8 *sig_nz_sad)
|
|
{
|
|
UWORD32 i,j;
|
|
WORD16 s1[4],s2[4],s3[4],s4[4],sad[4];
|
|
UWORD8 *pu1_src_lp,*pu1_est_lp;
|
|
UWORD8 *sig_sad_dc;
|
|
UWORD32 nz_sad_sig = 0;
|
|
UNUSED(max_sad);
|
|
*pi4_mb_distortion =0;
|
|
|
|
sig_sad_dc = sig_nz_sad;
|
|
sig_nz_sad++;
|
|
|
|
for(i=0;i<4;i++)
|
|
{
|
|
for(j=0;j<4;j++)
|
|
{
|
|
pu1_src_lp = pu1_src + 4*j;
|
|
pu1_est_lp = pu1_est + 4*j;
|
|
|
|
s1[j] = ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s4[j] = ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s2[j] = ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s3[j] = ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s2[j] += ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s3[j] += ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
pu1_src_lp += src_strd;
|
|
pu1_est_lp += est_strd;
|
|
|
|
s1[j] += ABS((WORD16)pu1_src_lp[0] - (WORD16)pu1_est_lp[0])+ ABS((WORD16)pu1_src_lp[3] - (WORD16)pu1_est_lp[3]);
|
|
s4[j] += ABS((WORD16)pu1_src_lp[1] - (WORD16)pu1_est_lp[1])+ ABS((WORD16)pu1_src_lp[2] - (WORD16)pu1_est_lp[2]);
|
|
|
|
sad[j] = ((s1[j]+s2[j]+s3[j]+s4[j])<<1);
|
|
}
|
|
|
|
for(j=0;j<4;j++)
|
|
{
|
|
|
|
if(
|
|
//thrsh[0] > (sad[j] >> 1) &&Dc goes in the other part
|
|
thrsh[1] > (sad[j] -(s2[j] + s3[j])) &&
|
|
thrsh[2] > (sad[j]>>1) &&
|
|
thrsh[3] > (sad[j] -(s1[j] + s4[j])) &&
|
|
|
|
thrsh[4] > (sad[j] -(s3[j] + s4[j])) &&
|
|
thrsh[5] > (sad[j] -(s3[j] - (s1[j]<<1))) &&
|
|
thrsh[6] > (sad[j] -(s3[j] + s4[j])) &&
|
|
thrsh[7] > (sad[j] -(s4[j] - (s2[j]<<1))) &&
|
|
|
|
thrsh[8] > (sad[j]>>1) &&
|
|
thrsh[9] > (sad[j] -(s2[j] + s3[j])) &&
|
|
thrsh[10]> (sad[j]>>1) &&
|
|
thrsh[11]> (sad[j] -(s1[j] + s4[j])) &&
|
|
|
|
thrsh[12]> (sad[j] -(s1[j] + s2[j])) &&
|
|
thrsh[13]> (sad[j] -(s2[j] - (s4[j]<<1))) &&
|
|
thrsh[14]> (sad[j] -(s1[j] + s2[j])) &&
|
|
thrsh[15]> (sad[j] -(s1[j] - (s3[j]<<1)))
|
|
)
|
|
{
|
|
//sad[j] = 0; /*set current sad to be zero*/
|
|
sig_nz_sad[j] = 0;/*Signal that the sad is zero*/
|
|
}
|
|
else
|
|
{
|
|
sig_nz_sad[j] = 1;/*signal that sad is non zero*/
|
|
nz_sad_sig = 1;
|
|
}
|
|
|
|
(*pi4_mb_distortion) += (sad[j]>>1);
|
|
//if((*pi4_mb_distortion) >= max_sad)return; /*return or some thing*/
|
|
}
|
|
|
|
sig_nz_sad += 4;
|
|
pu1_src += (src_strd *4);
|
|
pu1_est += (est_strd *4);
|
|
}
|
|
|
|
if((*pi4_mb_distortion) < thrsh[0]<<2)
|
|
{
|
|
*sig_sad_dc = 0;
|
|
if(nz_sad_sig == 0)(*pi4_mb_distortion) = 0;
|
|
}
|
|
else *sig_sad_dc = 1;
|
|
}
|
|
|
|
|