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328 lines
7.0 KiB
C
328 lines
7.0 KiB
C
/******************************************************************************
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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
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* ih264_padding_atom_intr.c
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*
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* @brief
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* Contains function definitions for Padding
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*
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* @author
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* Srinivas T
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*
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* @par List of Functions:
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* - ih264_pad_left_luma_ssse3()
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* - ih264_pad_left_chroma_ssse3()
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* - ih264_pad_right_luma_ssse3()
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* - ih264_pad_right_chroma_ssse3()
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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 <string.h>
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#include <assert.h>
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#include "ih264_typedefs.h"
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#include "ih264_platform_macros.h"
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#include "ih264_mem_fns.h"
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#include "ih264_debug.h"
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#include <immintrin.h>
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#ifdef __GNUC__
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#define ATTRIBUTE_SSSE3 __attribute__((target("ssse3")))
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#else
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#define ATTRIBUTE_SSSE3
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#endif
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/**
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*******************************************************************************
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*
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* @brief
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* Padding (luma block) at the left of a 2d array
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*
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* @par Description:
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* The left column of a 2d array is replicated for pad_size times at the left
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*
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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[in] src_strd
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* integer source stride
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array
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*
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* @param[in] pad_size
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* integer -padding size of the array
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array
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*
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* @returns
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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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ATTRIBUTE_SSSE3
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void ih264_pad_left_luma_ssse3(UWORD8 *pu1_src,
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WORD32 src_strd,
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WORD32 ht,
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WORD32 pad_size)
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{
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WORD32 row;
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WORD32 i;
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UWORD8 *pu1_dst;
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ASSERT(pad_size % 8 == 0);
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for(row = 0; row < ht; row++)
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{
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__m128i src_temp0_16x8b;
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pu1_dst = pu1_src - pad_size;
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src_temp0_16x8b = _mm_set1_epi8(*pu1_src);
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for(i = 0; i < pad_size; i += 8)
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{
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_mm_storel_epi64((__m128i *)(pu1_dst + i), src_temp0_16x8b);
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}
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pu1_src += src_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
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* Padding (chroma block) at the left of a 2d array
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*
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* @par Description:
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* The left column of a 2d array is replicated for pad_size times at the left
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*
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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[in] src_strd
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* integer source stride
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array (each colour component)
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*
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* @param[in] pad_size
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* integer -padding size of the array
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array
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*
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* @returns
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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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ATTRIBUTE_SSSE3
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void ih264_pad_left_chroma_ssse3(UWORD8 *pu1_src,
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WORD32 src_strd,
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WORD32 ht,
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WORD32 pad_size)
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{
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WORD32 row;
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WORD32 col;
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UWORD8 *pu1_dst;
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ASSERT(pad_size % 8 == 0);
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for(row = 0; row < ht; row++)
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{
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__m128i src_temp0_16x8b;
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pu1_dst = pu1_src - pad_size;
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src_temp0_16x8b = _mm_set1_epi16(*((UWORD16 *)pu1_src));
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for(col = 0; col < pad_size; col += 8)
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{
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_mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b);
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}
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pu1_src += src_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
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* Padding (luma block) at the right of a 2d array
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*
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* @par Description:
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* The right column of a 2d array is replicated for pad_size times at the right
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*
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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[in] src_strd
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* integer source stride
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array
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*
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* @param[in] pad_size
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* integer -padding size of the array
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array
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*
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* @returns
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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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ATTRIBUTE_SSSE3
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void ih264_pad_right_luma_ssse3(UWORD8 *pu1_src,
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WORD32 src_strd,
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WORD32 ht,
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WORD32 pad_size)
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{
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WORD32 row;
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WORD32 col;
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UWORD8 *pu1_dst;
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ASSERT(pad_size % 8 == 0);
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for(row = 0; row < ht; row++)
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{
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__m128i src_temp0_16x8b;
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pu1_dst = pu1_src;
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src_temp0_16x8b = _mm_set1_epi8(*(pu1_src - 1));
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for(col = 0; col < pad_size; col += 8)
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{
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_mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b);
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}
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pu1_src += src_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
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* Padding (chroma block) at the right of a 2d array
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*
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* @par Description:
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* The right column of a 2d array is replicated for pad_size times at the right
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*
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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[in] src_strd
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* integer source stride
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array (each colour component)
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*
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* @param[in] pad_size
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* integer -padding size of the array
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*
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* @param[in] ht
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* integer height of the array
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*
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* @param[in] wd
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* integer width of the array
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*
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* @returns
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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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ATTRIBUTE_SSSE3
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void ih264_pad_right_chroma_ssse3(UWORD8 *pu1_src,
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WORD32 src_strd,
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WORD32 ht,
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WORD32 pad_size)
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{
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WORD32 row;
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WORD32 col;
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UWORD8 *pu1_dst;
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ASSERT(pad_size % 8 == 0);
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for(row = 0; row < ht; row++)
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{
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__m128i src_temp0_16x8b;
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pu1_dst = pu1_src;
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src_temp0_16x8b = _mm_set1_epi16(*((UWORD16 *)(pu1_src - 2)));
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for(col = 0; col < pad_size; col += 8)
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{
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_mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b);
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}
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pu1_src += src_strd;
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}
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}
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