> -----Original Message----- > From: Song, Ruiling > Sent: Tuesday, July 9, 2019 9:15 AM > To: ffmpeg-devel@ffmpeg.org > Cc: Song, Ruiling <ruiling.s...@intel.com> > Subject: [PATCH] avfilter/vf_convolution: add x86 SIMD for filter_3x3() > > Tested using a simple command (apply edge enhance): > ./ffmpeg_g -i ~/Downloads/bbb_sunflower_1080p_30fps_normal.mp4 \ > -vf convolution="0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:0 > 0 0 -1 1 0 0 > 0 0:5:1:1:1:0:128:128:128" \ > -an -vframes 1000 -f null /dev/null > > The fps increase from 151 to 270 on my local machine. > > Signed-off-by: Ruiling Song <ruiling.s...@intel.com> Ping?
> --- > libavfilter/convolution.h | 64 +++++++++++ > libavfilter/vf_convolution.c | 41 +------ > libavfilter/x86/Makefile | 2 + > libavfilter/x86/vf_convolution.asm | 158 ++++++++++++++++++++++++++ > libavfilter/x86/vf_convolution_init.c | 46 ++++++++ > 5 files changed, 273 insertions(+), 38 deletions(-) > create mode 100644 libavfilter/convolution.h > create mode 100644 libavfilter/x86/vf_convolution.asm > create mode 100644 libavfilter/x86/vf_convolution_init.c > > diff --git a/libavfilter/convolution.h b/libavfilter/convolution.h > new file mode 100644 > index 0000000000..fc6aad58fd > --- /dev/null > +++ b/libavfilter/convolution.h > @@ -0,0 +1,64 @@ > +/* > + * Copyright (c) 2012-2013 Oka Motofumi (chikuzen.mo at gmail dot com) > + * Copyright (c) 2015 Paul B Mahol > + * > + * 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 > + */ > +#ifndef AVFILTER_CONVOLUTION_H > +#define AVFILTER_CONVOLUTION_H > +#include "avfilter.h" > + > +enum MatrixMode { > + MATRIX_SQUARE, > + MATRIX_ROW, > + MATRIX_COLUMN, > + MATRIX_NBMODES, > +}; > + > +typedef struct ConvolutionContext { > + const AVClass *class; > + > + char *matrix_str[4]; > + float rdiv[4]; > + float bias[4]; > + int mode[4]; > + float scale; > + float delta; > + int planes; > + > + int size[4]; > + int depth; > + int max; > + int bpc; > + int nb_planes; > + int nb_threads; > + int planewidth[4]; > + int planeheight[4]; > + int matrix[4][49]; > + int matrix_length[4]; > + int copy[4]; > + > + void (*setup[4])(int radius, const uint8_t *c[], const uint8_t *src, int > stride, > + int x, int width, int y, int height, int bpc); > + void (*filter[4])(uint8_t *dst, int width, > + float rdiv, float bias, const int *const matrix, > + const uint8_t *c[], int peak, int radius, > + int dstride, int stride); > +} ConvolutionContext; > + > +void ff_convolution_init_x86(ConvolutionContext *s); > +#endif > diff --git a/libavfilter/vf_convolution.c b/libavfilter/vf_convolution.c > index 1305569c88..e3bf1df79f 100644 > --- a/libavfilter/vf_convolution.c > +++ b/libavfilter/vf_convolution.c > @@ -25,48 +25,11 @@ > #include "libavutil/opt.h" > #include "libavutil/pixdesc.h" > #include "avfilter.h" > +#include "convolution.h" > #include "formats.h" > #include "internal.h" > #include "video.h" > > -enum MatrixMode { > - MATRIX_SQUARE, > - MATRIX_ROW, > - MATRIX_COLUMN, > - MATRIX_NBMODES, > -}; > - > -typedef struct ConvolutionContext { > - const AVClass *class; > - > - char *matrix_str[4]; > - float rdiv[4]; > - float bias[4]; > - int mode[4]; > - float scale; > - float delta; > - int planes; > - > - int size[4]; > - int depth; > - int max; > - int bpc; > - int nb_planes; > - int nb_threads; > - int planewidth[4]; > - int planeheight[4]; > - int matrix[4][49]; > - int matrix_length[4]; > - int copy[4]; > - > - void (*setup[4])(int radius, const uint8_t *c[], const uint8_t *src, int > stride, > - int x, int width, int y, int height, int bpc); > - void (*filter[4])(uint8_t *dst, int width, > - float rdiv, float bias, const int *const matrix, > - const uint8_t *c[], int peak, int radius, > - int dstride, int stride); > -} ConvolutionContext; > - > #define OFFSET(x) offsetof(ConvolutionContext, x) > #define FLAGS > AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM > > @@ -625,6 +588,8 @@ static int config_input(AVFilterLink *inlink) > s->filter[p] = filter16_7x7; > } > } > + if (ARCH_X86_64) > + ff_convolution_init_x86(s); > } else if (!strcmp(ctx->filter->name, "prewitt")) { > if (s->depth > 8) > for (p = 0; p < s->nb_planes; p++) > diff --git a/libavfilter/x86/Makefile b/libavfilter/x86/Makefile > index 6b0361bed2..8dc0b0e6d4 100644 > --- a/libavfilter/x86/Makefile > +++ b/libavfilter/x86/Makefile > @@ -5,6 +5,7 @@ OBJS-$(CONFIG_ANLMDN_FILTER) += > x86/af_anlmdn_init.o > OBJS-$(CONFIG_BLEND_FILTER) += x86/vf_blend_init.o > OBJS-$(CONFIG_BWDIF_FILTER) += x86/vf_bwdif_init.o > OBJS-$(CONFIG_COLORSPACE_FILTER) += x86/colorspacedsp_init.o > +OBJS-$(CONFIG_CONVOLUTION_FILTER) += > x86/vf_convolution_init.o > OBJS-$(CONFIG_EQ_FILTER) += x86/vf_eq.o > OBJS-$(CONFIG_FSPP_FILTER) += x86/vf_fspp_init.o > OBJS-$(CONFIG_GBLUR_FILTER) += x86/vf_gblur_init.o > @@ -40,6 +41,7 @@ X86ASM-OBJS-$(CONFIG_ANLMDN_FILTER) += > x86/af_anlmdn.o > X86ASM-OBJS-$(CONFIG_BLEND_FILTER) += x86/vf_blend.o > X86ASM-OBJS-$(CONFIG_BWDIF_FILTER) += x86/vf_bwdif.o > X86ASM-OBJS-$(CONFIG_COLORSPACE_FILTER) += x86/colorspacedsp.o > +X86ASM-OBJS-$(CONFIG_CONVOLUTION_FILTER) += > x86/vf_convolution.o > X86ASM-OBJS-$(CONFIG_FRAMERATE_FILTER) += x86/vf_framerate.o > X86ASM-OBJS-$(CONFIG_FSPP_FILTER) += x86/vf_fspp.o > X86ASM-OBJS-$(CONFIG_GBLUR_FILTER) += x86/vf_gblur.o > diff --git a/libavfilter/x86/vf_convolution.asm > b/libavfilter/x86/vf_convolution.asm > new file mode 100644 > index 0000000000..41a17f6d2d > --- /dev/null > +++ b/libavfilter/x86/vf_convolution.asm > @@ -0,0 +1,158 @@ > +;********************************************************* > ******************** > +;* x86-optimized functions for convolution filter > +;* > +;* 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 > +half: dd 0.5 > + > +SECTION .text > + > +; void filter_3x3_sse4(uint8_t *dst, int width, > +; float rdiv, float bias, const int *const matrix, > +; const uint8_t *c[], int peak, int radius, > +; int dstride, int stride) > + > + > +%macro PROCESS_V 1 > + movss m2, [matrixq + 4 * %1] > + VBROADCASTSS m2, m2 > + movss m3, [c%1q + xq] > + punpcklbw m3, m6 > + punpcklwd m3, m6 > + pmulld m2, m3 > + paddd m4, m2 > +%endmacro > + > +%macro PROCESS_S 1 > + mov ptrd, [c%1q + xq] > + imul ptrd, [matrixq + 4 * %1] > + add rd, ptrd > +%endmacro > + > +%macro FILTER_3X3 0 > +%if UNIX64 > +cglobal filter_3x3, 4, 15, 7, dst, width, matrix, ptr, c0, c1, c2, c3, c4, > c5, c6, c7, > c8, r, x > +%else > +cglobal filter_3x3, 4, 15, 7, dst, width, rdiv, bias, matrix, ptr, c0, c1, > c2, c3, c4, > c5, c6, c7, c8, r, x > +%endif > + > +%if WIN64 > + SWAP m0, m2 > + SWAP m1, m3 > + mov r2q, matrixmp > + mov r3q, ptrmp > + DEFINE_ARGS dst, width, matrix, ptr, c0, c1, c2, c3, c4, c5, c6, c7, c8, > r, x > +%endif > + movsxdifnidn widthq, widthd > + VBROADCASTSS m0, m0 > + VBROADCASTSS m1, m1 > + pxor m6, m6 > + movss m5, [half] > + VBROADCASTSS m5, m5 > + mov c0q, [ptrq + 0*gprsize] > + mov c1q, [ptrq + 1*gprsize] > + mov c2q, [ptrq + 2*gprsize] > + mov c3q, [ptrq + 3*gprsize] > + mov c4q, [ptrq + 4*gprsize] > + mov c5q, [ptrq + 5*gprsize] > + mov c6q, [ptrq + 6*gprsize] > + mov c7q, [ptrq + 7*gprsize] > + mov c8q, [ptrq + 8*gprsize] > + > + xor xq, xq > + mov rq, widthq > + and rq, mmsize/4-1 > + sub widthq, rq > + > +.loop1: > + movss m2, [matrixq + 4*0] > + VBROADCASTSS m2, m2 > + movss m3, [c0q + xq] > + punpcklbw m3, m6 > + punpcklwd m3, m6 > + pmulld m4, m2, m3 > + > + PROCESS_V 1 > + PROCESS_V 2 > + PROCESS_V 3 > + PROCESS_V 4 > + PROCESS_V 5 > + PROCESS_V 6 > + PROCESS_V 7 > + PROCESS_V 8 > + > + cvtdq2ps m4, m4 > + mulps m4, m0 ; sum *= rdiv > + addps m4, m1 ; sum += bias > + addps m4, m5 ; sum += 0.5 > + cvttps2dq m4, m4 > + packssdw m4, m4 > + packuswb m4, m4 > + movss [dstq + xq], m4 > + > + add xq, mmsize/4 > + cmp xq, widthq > + jl .loop1 > + > + add widthq, rq > + cmp xq, widthq > + jge .end > + > +.loop2: > + mov ptrd, [c0q + xq] > + imul ptrd, [matrixq + 4*0] > + ; reuse r to hold sum > + mov rd, ptrd > + > + PROCESS_S 1 > + PROCESS_S 2 > + PROCESS_S 3 > + PROCESS_S 4 > + PROCESS_S 5 > + PROCESS_S 6 > + PROCESS_S 7 > + PROCESS_S 8 > + > + pxor m4, m4 > + cvtsi2ss m4, rd > + mulss m4, m0 ; sum *= rdiv > + addss m4, m1 ; sum += bias > + addss m4, m5 ; sum += 0.5 > + ; we don't have simple scalar instructions to convert > + ; from 32bit to 8bit with saturation, so here > + ; just use packed version SSE instructions for simplity. > + cvttps2dq m4, m4 ; trunc to integer > + packssdw m4, m4 > + packuswb m4, m4 > + movd rd, m4 > + mov [dstq + xq], rb > + > + add xq, 1 > + cmp xq, widthq > + jl .loop2 > +.end: > + RET > +%endmacro > + > +%if ARCH_X86_64 > +INIT_XMM sse4 > +FILTER_3X3 > +%endif > diff --git a/libavfilter/x86/vf_convolution_init.c > b/libavfilter/x86/vf_convolution_init.c > new file mode 100644 > index 0000000000..51432406ed > --- /dev/null > +++ b/libavfilter/x86/vf_convolution_init.c > @@ -0,0 +1,46 @@ > +/* > + * > + * 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 "config.h" > + > +#include "libavutil/attributes.h" > +#include "libavutil/cpu.h" > +#include "libavutil/x86/cpu.h" > +#include "libavfilter/convolution.h" > + > +void ff_filter_3x3_sse4(uint8_t *dst, int width, > + float rdiv, float bias, const int *const matrix, > + const uint8_t *c[], int peak, int radius, > + int dstride, int stride); > + > +av_cold void ff_convolution_init_x86(ConvolutionContext *s) > +{ > +#if ARCH_X86_64 > + int i; > + int cpu_flags = av_get_cpu_flags(); > + for (i = 0; i < 4; i++) { > + if (s->mode[i] == MATRIX_SQUARE) { > + if (s->matrix_length[i] == 9) { > + if (EXTERNAL_SSE4(cpu_flags)) > + s->filter[i] = ff_filter_3x3_sse4; > + } > + } > + } > +#endif > +} > -- > 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".