ref: e65525d7b45f0b7ad07dd45b8259baedf3314160
dir: /processing/src/asm/denoisefilter.asm/
;*! ;* \copy ;* Copyright (c) 2010-2013, Cisco Systems ;* All rights reserved. ;* ;* Redistribution and use in source and binary forms, with or without ;* modification, are permitted provided that the following conditions ;* are met: ;* ;* * Redistributions of source code must retain the above copyright ;* notice, this list of conditions and the following disclaimer. ;* ;* * Redistributions in binary form must reproduce the above copyright ;* notice, this list of conditions and the following disclaimer in ;* the documentation and/or other materials provided with the ;* distribution. ;* ;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ;* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ;* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ;* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ;* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, ;* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; ;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER ;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ;* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ;* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ;* POSSIBILITY OF SUCH DAMAGE. ;* ;* ;* predenoise.asm ;* ;* Abstract ;* denoise for SVC2.1 ;* History ;* 4/13/2010 Created ;* 7/30/2010 Modified ;* ;* ;*************************************************************************/ %include "asm_inc.asm" ;*********************************************************************** ; Constant ;*********************************************************************** SECTION .rodata align=16 sse2_32 times 8 dw 32 sse2_20 times 8 dw 20 BITS 32 ;*********************************************************************** ; Code ;*********************************************************************** SECTION .text %macro WEIGHT_LINE 9 movq %2, %9 punpcklbw %2, %7 movdqa %8, %2 movdqa %1, %6 psubusb %1, %8 psubusb %8, %6 por %8, %1 ; ABS(curPixel - centerPixel); movdqa %1, %3 psubusb %1, %8 pmullw %1, %1 psrlw %1, 5 pmullw %2, %1 paddusw %4, %1 paddusw %5, %2 %endmacro %macro WEIGHT_LINE1_UV 4 movdqa %2, %1 punpcklbw %2, %4 paddw %3, %2 movdqa %2, %1 psrldq %2, 1 punpcklbw %2, %4 paddw %3, %2 movdqa %2, %1 psrldq %2, 2 punpcklbw %2, %4 psllw %2, 1 paddw %3, %2 movdqa %2, %1 psrldq %2, 3 punpcklbw %2, %4 paddw %3, %2 movdqa %2, %1 psrldq %2, 4 punpcklbw %2, %4 paddw %3, %2 %endmacro %macro WEIGHT_LINE2_UV 4 movdqa %2, %1 punpcklbw %2, %4 paddw %3, %2 movdqa %2, %1 psrldq %2, 1 punpcklbw %2, %4 psllw %2, 1 paddw %3, %2 movdqa %2, %1 psrldq %2, 2 punpcklbw %2, %4 psllw %2, 2 paddw %3, %2 movdqa %2, %1 psrldq %2, 3 punpcklbw %2, %4 psllw %2, 1 paddw %3, %2 movdqa %2, %1 psrldq %2, 4 punpcklbw %2, %4 paddw %3, %2 %endmacro %macro WEIGHT_LINE3_UV 4 movdqa %2, %1 punpcklbw %2, %4 psllw %2, 1 paddw %3, %2 movdqa %2, %1 psrldq %2, 1 punpcklbw %2, %4 psllw %2, 2 paddw %3, %2 movdqa %2, %1 psrldq %2, 2 punpcklbw %2, %4 pmullw %2, [sse2_20] paddw %3, %2 movdqa %2, %1 psrldq %2, 3 punpcklbw %2, %4 psllw %2, 2 paddw %3, %2 movdqa %2, %1 psrldq %2, 4 punpcklbw %2, %4 psllw %2, 1 paddw %3, %2 %endmacro ALIGN 16 WELS_EXTERN BilateralLumaFilter8_sse2 ;*********************************************************************** ; BilateralLumaFilter8_sse2(uint8_t *pixels, int stride); ;*********************************************************************** ; 1 2 3 ; 4 0 5 ; 6 7 8 ; 0: the center point %define pushsize 4 %define pixel esp + pushsize + 4 %define stride esp + pushsize + 8 BilateralLumaFilter8_sse2: push ebx pxor xmm7, xmm7 mov eax, [pixel] mov ebx, eax movq xmm6, [eax] punpcklbw xmm6, xmm7 movdqa xmm3, [sse2_32] pxor xmm4, xmm4 ; nTotWeight pxor xmm5, xmm5 ; nSum dec eax mov ecx, [stride] WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax] ; pixel 4 WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax + 2] ; pixel 5 sub eax, ecx WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax] ; pixel 1 WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax + 1] ; pixel 2 WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax + 2] ; pixel 3 lea eax, [eax + ecx * 2] WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax] ; pixel 6 WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax + 1] ; pixel 7 WEIGHT_LINE xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm0, [eax + 2] ; pixel 8 pcmpeqw xmm0, xmm0 psrlw xmm0, 15 psllw xmm0, 8 psubusw xmm0, xmm4 pmullw xmm0, xmm6 paddusw xmm5, xmm0 psrlw xmm5, 8 packuswb xmm5, xmm5 movq [ebx], xmm5 pop ebx ret WELS_EXTERN WaverageChromaFilter8_sse2 ;*********************************************************************** ; void WaverageChromaFilter8_sse2(uint8_t *pixels, int stride); ;*********************************************************************** ;5x5 filter: ;1 1 2 1 1 ;1 2 4 2 1 ;2 4 20 4 2 ;1 2 4 2 1 ;1 1 2 1 1 ALIGN 16 WaverageChromaFilter8_sse2: mov edx, [esp + 4] ; pixels mov ecx, [esp + 8] ; stride mov eax, ecx add eax, eax sub edx, eax ; pixels - 2 * stride sub edx, 2 pxor xmm0, xmm0 pxor xmm3, xmm3 movdqu xmm1, [edx] WEIGHT_LINE1_UV xmm1, xmm2, xmm3, xmm0 movdqu xmm1, [edx + ecx] WEIGHT_LINE2_UV xmm1, xmm2, xmm3, xmm0 add edx, eax movdqu xmm1, [edx] WEIGHT_LINE3_UV xmm1, xmm2, xmm3, xmm0 movdqu xmm1, [edx + ecx] WEIGHT_LINE2_UV xmm1, xmm2, xmm3, xmm0 movdqu xmm1, [edx + ecx * 2] WEIGHT_LINE1_UV xmm1, xmm2, xmm3, xmm0 psrlw xmm3, 6 packuswb xmm3, xmm3 movq [edx + 2], xmm3 ret