15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(_MSC_VER) 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <intrin.h> 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <mmintrin.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "media/base/simd/filter_yuv.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace media { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(COMPILER_MSVC) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Warning 4799 is about calling emms before the function exits. 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// We calls emms in a frame level so suppress this warning. 19a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#pragma warning(push) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#pragma warning(disable: 4799) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void FilterYUVRows_MMX(uint8* dest, 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const uint8* src0, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const uint8* src1, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width, 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int fraction) { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int pixel = 0; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Process the unaligned bytes first. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int unaligned_width = 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (8 - (reinterpret_cast<uintptr_t>(dest) & 7)) & 7; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (pixel < width && pixel < unaligned_width) { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dest[pixel] = (src0[pixel] * (256 - fraction) + 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src1[pixel] * fraction) >> 8; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++pixel; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64 zero = _mm_setzero_si64(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64 src1_fraction = _mm_set1_pi16(fraction); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64 src0_fraction = _mm_set1_pi16(256 - fraction); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const __m64* src0_64 = reinterpret_cast<const __m64*>(src0 + pixel); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const __m64* src1_64 = reinterpret_cast<const __m64*>(src1 + pixel); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64* dest64 = reinterpret_cast<__m64*>(dest + pixel); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64* end64 = reinterpret_cast<__m64*>( 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<uintptr_t>(dest + width) & ~7); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (dest64 < end64) { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64 src0 = *src0_64++; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64 src1 = *src1_64++; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64 src2 = _mm_unpackhi_pi8(src0, zero); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __m64 src3 = _mm_unpackhi_pi8(src1, zero); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src0 = _mm_unpacklo_pi8(src0, zero); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src1 = _mm_unpacklo_pi8(src1, zero); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src0 = _mm_mullo_pi16(src0, src0_fraction); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src1 = _mm_mullo_pi16(src1, src1_fraction); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src2 = _mm_mullo_pi16(src2, src0_fraction); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src3 = _mm_mullo_pi16(src3, src1_fraction); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src0 = _mm_add_pi16(src0, src1); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src2 = _mm_add_pi16(src2, src3); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src0 = _mm_srli_pi16(src0, 8); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src2 = _mm_srli_pi16(src2, 8); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src0 = _mm_packs_pu16(src0, src2); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *dest64++ = src0; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pixel += 8; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (pixel < width) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dest[pixel] = (src0[pixel] * (256 - fraction) + 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) src1[pixel] * fraction) >> 8; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++pixel; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(COMPILER_MSVC) 76a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#pragma warning(pop) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace media 80