;****************************************************************************** ;* SIMD optimized SAO functions for HEVC 8bit decoding ;* ;* Copyright (c) 2013 Pierre-Edouard LEPERE ;* Copyright (c) 2014 James Almer ;* ;* This file is part of FFmpeg. ;* ;* FFmpeg is free software; you can redistribute it and/or ;* modify it under the terms of the GNU Lesser General Public ;* License as published by the Free Software Foundation; either ;* version 2.1 of the License, or (at your option) any later version. ;* ;* FFmpeg is distributed in the hope that it will be useful, ;* but WITHOUT ANY WARRANTY; without even the implied warranty of ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;* Lesser General Public License for more details. ;* ;* You should have received a copy of the GNU Lesser General Public ;* License along with FFmpeg; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** %include "libavutil/x86/x86util.asm" SECTION_RODATA 32 pb_edge_shuffle: times 2 db 1, 2, 0, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 pb_eo: db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 1 cextern pb_1 cextern pb_2 SECTION .text ;****************************************************************************** ;SAO Band Filter ;****************************************************************************** %macro HEVC_SAO_BAND_FILTER_INIT 0 and leftq, 31 movd xm0, leftd add leftq, 1 and leftq, 31 movd xm1, leftd add leftq, 1 and leftq, 31 movd xm2, leftd add leftq, 1 and leftq, 31 movd xm3, leftd SPLATW m0, xm0 SPLATW m1, xm1 SPLATW m2, xm2 SPLATW m3, xm3 %if mmsize > 16 SPLATW m4, [offsetq + 2] SPLATW m5, [offsetq + 4] SPLATW m6, [offsetq + 6] SPLATW m7, [offsetq + 8] %else movq m7, [offsetq + 2] SPLATW m4, m7, 0 SPLATW m5, m7, 1 SPLATW m6, m7, 2 SPLATW m7, m7, 3 %endif %if ARCH_X86_64 pxor m14, m14 %else ; ARCH_X86_32 mova [rsp+mmsize*0], m0 mova [rsp+mmsize*1], m1 mova [rsp+mmsize*2], m2 mova [rsp+mmsize*3], m3 mova [rsp+mmsize*4], m4 mova [rsp+mmsize*5], m5 mova [rsp+mmsize*6], m6 pxor m0, m0 %assign MMSIZE mmsize %define m14 m0 %define m13 m1 %define m9 m2 %define m8 m3 %endif ; ARCH DEFINE_ARGS dst, src, dststride, srcstride, offset, height mov heightd, r7m %endmacro %macro HEVC_SAO_BAND_FILTER_COMPUTE 2 psraw %1, %2, 3 %if ARCH_X86_64 pcmpeqw m10, %1, m0 pcmpeqw m11, %1, m1 pcmpeqw m12, %1, m2 pcmpeqw %1, m3 pand m10, m4 pand m11, m5 pand m12, m6 pand %1, m7 por m10, m11 por m12, %1 por m10, m12 paddw %2, m10 %else ; ARCH_X86_32 pcmpeqw m4, %1, [rsp+MMSIZE*0] pcmpeqw m5, %1, [rsp+MMSIZE*1] pcmpeqw m6, %1, [rsp+MMSIZE*2] pcmpeqw %1, [rsp+MMSIZE*3] pand m4, [rsp+MMSIZE*4] pand m5, [rsp+MMSIZE*5] pand m6, [rsp+MMSIZE*6] pand %1, m7 por m4, m5 por m6, %1 por m4, m6 paddw %2, m4 %endif ; ARCH %endmacro ;void ff_hevc_sao_band_filter__8_(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src, ; int16_t *sao_offset_val, int sao_left_class, int width, int height); %macro HEVC_SAO_BAND_FILTER 2 cglobal hevc_sao_band_filter_%1_8, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, dststride, srcstride, offset, left HEVC_SAO_BAND_FILTER_INIT align 16 .loop: %if %1 == 8 movq m8, [srcq] punpcklbw m8, m14 HEVC_SAO_BAND_FILTER_COMPUTE m9, m8 packuswb m8, m14 movq [dstq], m8 %endif ; %1 == 8 %assign i 0 %rep %2 mova m13, [srcq + i] punpcklbw m8, m13, m14 HEVC_SAO_BAND_FILTER_COMPUTE m9, m8 punpckhbw m13, m14 HEVC_SAO_BAND_FILTER_COMPUTE m9, m13 packuswb m8, m13 mova [dstq + i], m8 %assign i i+mmsize %endrep %if %1 == 48 INIT_XMM cpuname mova m13, [srcq + i] punpcklbw m8, m13, m14 HEVC_SAO_BAND_FILTER_COMPUTE m9, m8 punpckhbw m13, m14 HEVC_SAO_BAND_FILTER_COMPUTE m9, m13 packuswb m8, m13 mova [dstq + i], m8 %if cpuflag(avx2) INIT_YMM cpuname %endif %endif ; %1 == 48 add dstq, dststrideq ; dst += dststride add srcq, srcstrideq ; src += srcstride dec heightd ; cmp height jnz .loop ; height loop RET %endmacro %macro HEVC_SAO_BAND_FILTER_FUNCS 0 HEVC_SAO_BAND_FILTER 8, 0 HEVC_SAO_BAND_FILTER 16, 1 HEVC_SAO_BAND_FILTER 32, 2 HEVC_SAO_BAND_FILTER 48, 2 HEVC_SAO_BAND_FILTER 64, 4 %endmacro INIT_XMM sse2 HEVC_SAO_BAND_FILTER_FUNCS INIT_XMM avx HEVC_SAO_BAND_FILTER_FUNCS %if HAVE_AVX2_EXTERNAL INIT_XMM avx2 HEVC_SAO_BAND_FILTER 8, 0 HEVC_SAO_BAND_FILTER 16, 1 INIT_YMM avx2 HEVC_SAO_BAND_FILTER 32, 1 HEVC_SAO_BAND_FILTER 48, 1 HEVC_SAO_BAND_FILTER 64, 2 %endif ;****************************************************************************** ;SAO Edge Filter ;****************************************************************************** %define MAX_PB_SIZE 64 %define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE %define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE %macro HEVC_SAO_EDGE_FILTER_INIT 0 %if WIN64 movsxd eoq, dword eom %elif ARCH_X86_64 movsxd eoq, eod %else mov eoq, r4m %endif lea tmp2q, [pb_eo] movsx a_strideq, byte [tmp2q+eoq*4+1] movsx b_strideq, byte [tmp2q+eoq*4+3] imul a_strideq, EDGE_SRCSTRIDE imul b_strideq, EDGE_SRCSTRIDE movsx tmpq, byte [tmp2q+eoq*4] add a_strideq, tmpq movsx tmpq, byte [tmp2q+eoq*4+2] add b_strideq, tmpq %endmacro %macro HEVC_SAO_EDGE_FILTER_COMPUTE 1 pminub m4, m1, m2 pminub m5, m1, m3 pcmpeqb m2, m4 pcmpeqb m3, m5 pcmpeqb m4, m1 pcmpeqb m5, m1 psubb m4, m2 psubb m5, m3 paddb m4, m6 paddb m4, m5 pshufb m2, m0, m4 %if %1 > 8 punpckhbw m5, m7, m1 punpckhbw m4, m2, m7 punpcklbw m3, m7, m1 punpcklbw m2, m7 pmaddubsw m5, m4 pmaddubsw m3, m2 packuswb m3, m5 %else punpcklbw m3, m7, m1 punpcklbw m2, m7 pmaddubsw m3, m2 packuswb m3, m3 %endif %endmacro ;void ff_hevc_sao_edge_filter__8_(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val, ; int eo, int width, int height); %macro HEVC_SAO_EDGE_FILTER 2-3 %if ARCH_X86_64 cglobal hevc_sao_edge_filter_%1_8, 4, 9, 8, dst, src, dststride, offset, eo, a_stride, b_stride, height, tmp %define tmp2q heightq HEVC_SAO_EDGE_FILTER_INIT mov heightd, r6m %else ; ARCH_X86_32 cglobal hevc_sao_edge_filter_%1_8, 1, 6, 8, dst, src, dststride, a_stride, b_stride, height %define eoq srcq %define tmpq heightq %define tmp2q dststrideq %define offsetq heightq HEVC_SAO_EDGE_FILTER_INIT mov srcq, srcm mov offsetq, r3m mov dststrideq, dststridem %endif ; ARCH %if mmsize > 16 vbroadcasti128 m0, [offsetq] %else movu m0, [offsetq] %endif mova m1, [pb_edge_shuffle] packsswb m0, m0 mova m7, [pb_1] pshufb m0, m1 mova m6, [pb_2] %if ARCH_X86_32 mov heightd, r6m %endif align 16 .loop: %if %1 == 8 movq m1, [srcq] movq m2, [srcq + a_strideq] movq m3, [srcq + b_strideq] HEVC_SAO_EDGE_FILTER_COMPUTE %1 movq [dstq], m3 %endif %assign i 0 %rep %2 mova m1, [srcq + i] movu m2, [srcq + a_strideq + i] movu m3, [srcq + b_strideq + i] HEVC_SAO_EDGE_FILTER_COMPUTE %1 mov%3 [dstq + i], m3 %assign i i+mmsize %endrep %if %1 == 48 INIT_XMM cpuname mova m1, [srcq + i] movu m2, [srcq + a_strideq + i] movu m3, [srcq + b_strideq + i] HEVC_SAO_EDGE_FILTER_COMPUTE %1 mova [dstq + i], m3 %if cpuflag(avx2) INIT_YMM cpuname %endif %endif add dstq, dststrideq add srcq, EDGE_SRCSTRIDE dec heightd jg .loop RET %endmacro INIT_XMM ssse3 HEVC_SAO_EDGE_FILTER 8, 0 HEVC_SAO_EDGE_FILTER 16, 1, a HEVC_SAO_EDGE_FILTER 32, 2, a HEVC_SAO_EDGE_FILTER 48, 2, a HEVC_SAO_EDGE_FILTER 64, 4, a %if HAVE_AVX2_EXTERNAL INIT_YMM avx2 HEVC_SAO_EDGE_FILTER 32, 1, a HEVC_SAO_EDGE_FILTER 48, 1, u HEVC_SAO_EDGE_FILTER 64, 2, a %endif