virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-28 20:53:54 +02:00
Code Issues Releases Activity

avfilter/vf_threshold: add x86 SIMD

Browse Source 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2017-11-12 19:11:51 +01:00
parent b5587fd2c6
commit bbfcb1b7c8
5 changed files with 169 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
libavfilter/threshold.h Normal file
View File

@ -0,0 +1,51 @@
/*
* Copyright (c) 2016 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_THRESHOLD_H
#define AVFILTER_THRESHOLD_H
#include "avfilter.h"
#include "framesync.h"
typedef struct ThresholdContext {
const AVClass *class;
int depth;
int planes;
int bpc;
int nb_planes;
int width[4], height[4];
void (*threshold)(const uint8_t *in, const uint8_t *threshold,
const uint8_t *min, const uint8_t *max,
uint8_t *out,
ptrdiff_t ilinesize, ptrdiff_t tlinesize,
ptrdiff_t flinesize, ptrdiff_t slinesize,
ptrdiff_t olinesize,
int w, int h);
AVFrame *frames[4];
FFFrameSync fs;
} ThresholdContext;
void ff_threshold_init_x86(ThresholdContext *s);
#endif /* AVFILTER_THRESHOLD_H */

28
libavfilter/vf_threshold.c
View File

@ -31,27 +31,7 @@
#include "framesync.h"
#include "internal.h"
#include "video.h"
typedef struct ThresholdContext {
const AVClass *class;
int planes;
int bpc;
int nb_planes;
int width[4], height[4];
void (*threshold)(const uint8_t *in, const uint8_t *threshold,
const uint8_t *min, const uint8_t *max,
uint8_t *out,
ptrdiff_t ilinesize, ptrdiff_t tlinesize,
ptrdiff_t flinesize, ptrdiff_t slinesize,
ptrdiff_t olinesize,
int w, int h);
AVFrame *frames[4];
FFFrameSync fs;
} ThresholdContext;
#include "threshold.h"
#define OFFSET(x) offsetof(ThresholdContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
@ -203,8 +183,9 @@ static int config_input(AVFilterLink *inlink)
s->height[0] = s->height[3] = inlink->h;
s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub);
s->width[0] = s->width[3] = inlink->w;
s->depth = desc->comp[0].depth;
if (desc->comp[0].depth == 8) {
if (s->depth == 8) {
s->threshold = threshold8;
s->bpc = 1;
} else {
@ -212,6 +193,9 @@ static int config_input(AVFilterLink *inlink)
s->bpc = 2;
}
if (ARCH_X86)
ff_threshold_init_x86(s);
return 0;
}

2
libavfilter/x86/Makefile
View File

@ -20,6 +20,7 @@ OBJS-$(CONFIG_SPP_FILTER) += x86/vf_spp.o
OBJS-$(CONFIG_SSIM_FILTER) += x86/vf_ssim_init.o
OBJS-$(CONFIG_STEREO3D_FILTER) += x86/vf_stereo3d_init.o
OBJS-$(CONFIG_TBLEND_FILTER) += x86/vf_blend_init.o
OBJS-$(CONFIG_THRESHOLD_FILTER) += x86/vf_threshold_init.o
OBJS-$(CONFIG_TINTERLACE_FILTER) += x86/vf_tinterlace_init.o
OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume_init.o
OBJS-$(CONFIG_W3FDIF_FILTER) += x86/vf_w3fdif_init.o
@ -46,6 +47,7 @@ X86ASM-OBJS-$(CONFIG_SHOWCQT_FILTER) += x86/avf_showcqt.o
X86ASM-OBJS-$(CONFIG_SSIM_FILTER) += x86/vf_ssim.o
X86ASM-OBJS-$(CONFIG_STEREO3D_FILTER) += x86/vf_stereo3d.o
X86ASM-OBJS-$(CONFIG_TBLEND_FILTER) += x86/vf_blend.o
X86ASM-OBJS-$(CONFIG_THRESHOLD_FILTER) += x86/vf_threshold.o
X86ASM-OBJS-$(CONFIG_TINTERLACE_FILTER) += x86/vf_interlace.o
X86ASM-OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume.o
X86ASM-OBJS-$(CONFIG_W3FDIF_FILTER) += x86/vf_w3fdif.o

69
libavfilter/x86/vf_threshold.asm Normal file
View File

@ -0,0 +1,69 @@
;*****************************************************************************
;* x86-optimized functions for threshold filter
;*
;* Copyright (C) 2017 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
;*****************************************************************************
%include "libavutil/x86/x86util.asm"
%if ARCH_X86_64
SECTION_RODATA
pb_128: times 16 db 128
SECTION .text
INIT_XMM sse4
cglobal threshold8, 10, 13, 5, in, threshold, min, max, out, ilinesize, tlinesize, flinesize, slinesize, olinesize, w, h, x
mov wd, dword wm
mov hd, dword hm
mova m4, [pb_128]
add inq, wq
add thresholdq, wq
add minq, wq
add maxq, wq
add outq, wq
neg wq
.nextrow:
mov xq, wq
.loop:
movu m1, [inq + xq]
movu m0, [thresholdq + xq]
movu m2, [minq + xq]
movu m3, [maxq + xq]
pxor m0, m4
pxor m1, m4
pcmpgtb m0, m1
pblendvb m3, m2, m0
movu [outq + xq], m3
add xq, mmsize
jl .loop
add inq, ilinesizeq
add thresholdq, tlinesizeq
add minq, flinesizeq
add maxq, slinesizeq
add outq, olinesizeq
sub hd, 1
jg .nextrow
RET
%endif

41
libavfilter/x86/vf_threshold_init.c Normal file
View File

@ -0,0 +1,41 @@
/*
* 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
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavfilter/threshold.h"
void ff_threshold8_sse4(const uint8_t *in, const uint8_t *threshold,
const uint8_t *min, const uint8_t *max,
uint8_t *out,
ptrdiff_t ilinesize, ptrdiff_t tlinesize,
ptrdiff_t flinesize, ptrdiff_t slinesize,
ptrdiff_t olinesize,
int w, int h);
av_cold void ff_threshold_init_x86(ThresholdContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags) && s->depth == 8) {
s->threshold = ff_threshold8_sse4;
}
}