/****************************************************************************** * * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ /** ******************************************************************************* * @file * ih264_padding_atom_intr.c * * @brief * Contains function definitions for Padding * * @author * Srinivas T * * @par List of Functions: * - ih264_pad_left_luma_ssse3() * - ih264_pad_left_chroma_ssse3() * - ih264_pad_right_luma_ssse3() * - ih264_pad_right_chroma_ssse3() * * @remarks * None * ******************************************************************************* */ #include <string.h> #include <assert.h> #include "ih264_typedefs.h" #include "ih264_platform_macros.h" #include "ih264_mem_fns.h" #include "ih264_debug.h" #include <immintrin.h> #ifdef __GNUC__ #define ATTRIBUTE_SSSE3 __attribute__((target("ssse3"))) #else #define ATTRIBUTE_SSSE3 #endif /** ******************************************************************************* * * @brief * Padding (luma block) at the left of a 2d array * * @par Description: * The left column of a 2d array is replicated for pad_size times at the left * * * @param[in] pu1_src * UWORD8 pointer to the source * * @param[in] src_strd * integer source stride * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array * * @param[in] pad_size * integer -padding size of the array * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array * * @returns * * @remarks * None * ******************************************************************************* */ ATTRIBUTE_SSSE3 void ih264_pad_left_luma_ssse3(UWORD8 *pu1_src, WORD32 src_strd, WORD32 ht, WORD32 pad_size) { WORD32 row; WORD32 i; UWORD8 *pu1_dst; ASSERT(pad_size % 8 == 0); for(row = 0; row < ht; row++) { __m128i src_temp0_16x8b; pu1_dst = pu1_src - pad_size; src_temp0_16x8b = _mm_set1_epi8(*pu1_src); for(i = 0; i < pad_size; i += 8) { _mm_storel_epi64((__m128i *)(pu1_dst + i), src_temp0_16x8b); } pu1_src += src_strd; } } /** ******************************************************************************* * * @brief * Padding (chroma block) at the left of a 2d array * * @par Description: * The left column of a 2d array is replicated for pad_size times at the left * * * @param[in] pu1_src * UWORD8 pointer to the source * * @param[in] src_strd * integer source stride * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array (each colour component) * * @param[in] pad_size * integer -padding size of the array * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array * * @returns * * @remarks * None * ******************************************************************************* */ ATTRIBUTE_SSSE3 void ih264_pad_left_chroma_ssse3(UWORD8 *pu1_src, WORD32 src_strd, WORD32 ht, WORD32 pad_size) { WORD32 row; WORD32 col; UWORD8 *pu1_dst; ASSERT(pad_size % 8 == 0); for(row = 0; row < ht; row++) { __m128i src_temp0_16x8b; pu1_dst = pu1_src - pad_size; src_temp0_16x8b = _mm_set1_epi16(*((UWORD16 *)pu1_src)); for(col = 0; col < pad_size; col += 8) { _mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b); } pu1_src += src_strd; } } /** ******************************************************************************* * * @brief * Padding (luma block) at the right of a 2d array * * @par Description: * The right column of a 2d array is replicated for pad_size times at the right * * * @param[in] pu1_src * UWORD8 pointer to the source * * @param[in] src_strd * integer source stride * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array * * @param[in] pad_size * integer -padding size of the array * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array * * @returns * * @remarks * None * ******************************************************************************* */ ATTRIBUTE_SSSE3 void ih264_pad_right_luma_ssse3(UWORD8 *pu1_src, WORD32 src_strd, WORD32 ht, WORD32 pad_size) { WORD32 row; WORD32 col; UWORD8 *pu1_dst; ASSERT(pad_size % 8 == 0); for(row = 0; row < ht; row++) { __m128i src_temp0_16x8b; pu1_dst = pu1_src; src_temp0_16x8b = _mm_set1_epi8(*(pu1_src - 1)); for(col = 0; col < pad_size; col += 8) { _mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b); } pu1_src += src_strd; } } /** ******************************************************************************* * * @brief * Padding (chroma block) at the right of a 2d array * * @par Description: * The right column of a 2d array is replicated for pad_size times at the right * * * @param[in] pu1_src * UWORD8 pointer to the source * * @param[in] src_strd * integer source stride * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array (each colour component) * * @param[in] pad_size * integer -padding size of the array * * @param[in] ht * integer height of the array * * @param[in] wd * integer width of the array * * @returns * * @remarks * None * ******************************************************************************* */ ATTRIBUTE_SSSE3 void ih264_pad_right_chroma_ssse3(UWORD8 *pu1_src, WORD32 src_strd, WORD32 ht, WORD32 pad_size) { WORD32 row; WORD32 col; UWORD8 *pu1_dst; ASSERT(pad_size % 8 == 0); for(row = 0; row < ht; row++) { __m128i src_temp0_16x8b; pu1_dst = pu1_src; src_temp0_16x8b = _mm_set1_epi16(*((UWORD16 *)(pu1_src - 2))); for(col = 0; col < pad_size; col += 8) { _mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b); } pu1_src += src_strd; } }