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avfilter/vf_stereo3d: add x86 SIMD for anaglyph outputs 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
tags/n3.0
Paul B Mahol 10 years ago
parent
9ecfcfe481
commit
ac74e857a2
5 changed files with 280 additions and 32 deletions
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  1. +36
    -0
      libavfilter/stereo3d.h
  2. +38
    -32
      libavfilter/vf_stereo3d.c
  3. +2
    -0
      libavfilter/x86/Makefile
  4. +167
    -0
      libavfilter/x86/vf_stereo3d.asm
  5. +37
    -0
      libavfilter/x86/vf_stereo3d_init.c

+ 36
- 0
libavfilter/stereo3d.h View File

@@ -0,0 +1,36 @@
/*
* 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 LIBAVFILTER_STEREO3D_H
#define LIBAVFILTER_STEREO3D_H

#include <stddef.h>
#include <stdint.h>

typedef struct Stereo3DDSPContext {
void (*anaglyph)(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
int width, int height,
const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b);
} Stereo3DDSPContext;

void ff_stereo3d_init_x86(Stereo3DDSPContext *dsp);

#endif /* LIBAVFILTER_STEREO3D_H */

+ 38
- 32
libavfilter/vf_stereo3d.c View File

@@ -30,6 +30,7 @@
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "stereo3d.h"

enum StereoCode {
ANAGLYPH_RC_GRAY, // anaglyph red/cyan gray
@@ -150,6 +151,7 @@ typedef struct Stereo3DContext {
double ts_unit;
int blanks;
int in_off_left[4], in_off_right[4];
Stereo3DDSPContext dsp;
} Stereo3DContext;

#define OFFSET(x) offsetof(Stereo3DContext, x)
@@ -300,6 +302,37 @@ static int query_formats(AVFilterContext *ctx)
return ff_set_common_formats(ctx, fmts_list);
}

static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
{
int sum;

sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in

return av_clip_uint8(sum >> 16);
}

static void anaglyph(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
int width, int height,
const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
{
int x, y, o;

for (y = 0; y < height; y++) {
for (o = 0, x = 0; x < width; x++, o+= 3) {
dst[o ] = ana_convert(ana_matrix_r, lsrc + o, rsrc + o);
dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o, rsrc + o);
dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o, rsrc + o);
}

dst += dst_linesize;
lsrc += l_linesize;
rsrc += r_linesize;
}
}

static int config_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
@@ -517,38 +550,11 @@ static int config_output(AVFilterLink *outlink)
s->hsub = desc->log2_chroma_w;
s->vsub = desc->log2_chroma_h;

return 0;
}

static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
{
int sum;

sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in

return av_clip_uint8(sum >> 16);
}
s->dsp.anaglyph = anaglyph;
if (ARCH_X86)
ff_stereo3d_init_x86(&s->dsp);

static void anaglyph(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
int width, int height,
const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
{
int x, y, o;

for (y = 0; y < height; y++) {
for (o = 0, x = 0; x < width; x++, o+= 3) {
dst[o ] = ana_convert(ana_matrix_r, lsrc + o, rsrc + o);
dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o, rsrc + o);
dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o, rsrc + o);
}

dst += dst_linesize;
lsrc += l_linesize;
rsrc += r_linesize;
}
return 0;
}

typedef struct ThreadData {
@@ -568,7 +574,7 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
int end = (height * (jobnr+1)) / nb_jobs;
const int **ana_matrix = s->ana_matrix;

anaglyph(out->data[0] + out->linesize[0] * start,
s->dsp.anaglyph(out->data[0] + out->linesize[0] * start,
ileft ->data[0] + s->in_off_left [0] + ileft->linesize[0] * start * s->in.row_step,
iright->data[0] + s->in_off_right[0] + iright->linesize[0] * start * s->in.row_step,
out->linesize[0],


+ 2
- 0
libavfilter/x86/Makefile View File

@@ -13,6 +13,7 @@ OBJS-$(CONFIG_PULLUP_FILTER) += x86/vf_pullup_init.o
OBJS-$(CONFIG_REMOVEGRAIN_FILTER) += x86/vf_removegrain_init.o
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-$(CONFIG_TINTERLACE_FILTER) += x86/vf_tinterlace_init.o
OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume_init.o
@@ -32,6 +33,7 @@ ifdef CONFIG_GPL
YASM-OBJS-$(CONFIG_REMOVEGRAIN_FILTER) += x86/vf_removegrain.o
endif
YASM-OBJS-$(CONFIG_SSIM_FILTER) += x86/vf_ssim.o
YASM-OBJS-$(CONFIG_STEREO3D_FILTER) += x86/vf_stereo3d.o
YASM-OBJS-$(CONFIG_TBLEND_FILTER) += x86/vf_blend.o
YASM-OBJS-$(CONFIG_TINTERLACE_FILTER) += x86/vf_interlace.o
YASM-OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume.o


+ 167
- 0
libavfilter/x86/vf_stereo3d.asm View File

@@ -0,0 +1,167 @@
;*****************************************************************************
;* x86-optimized functions for stereo3d filter
;*
;* 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/x86/x86util.asm"

%if ARCH_X86_64

SECTION_RODATA

; rgbrgbrgbrgb
; rrrrggggbbbb

shuf: db 0, 4, 8, 1,5, 9, 2, 6,10,3, 7,11,-1,-1,-1,-1
ex_r: db 0,-1,-1,-1,3,-1,-1,-1,6,-1,-1,-1, 9,-1,-1,-1
ex_g: db 1,-1,-1,-1,4,-1,-1,-1,7,-1,-1,-1,10,-1,-1,-1
ex_b: db 2,-1,-1,-1,5,-1,-1,-1,8,-1,-1,-1,11,-1,-1,-1

SECTION .text

INIT_XMM sse4
cglobal anaglyph, 11, 13, 16, 2*6*mmsize, dst, lsrc, rsrc, dst_linesize, l_linesize, r_linesize, width, height, ana_matrix_r, ana_matrix_g, ana_matrix_b
movu m13, [ana_matrix_rq+ 0]
movq m15, [ana_matrix_rq+16]
pshufd m10, m13, q0000
pshufd m11, m13, q1111
pshufd m12, m13, q2222
pshufd m13, m13, q3333
pshufd m14, m15, q0000
pshufd m15, m15, q1111
mova [rsp+mmsize*0], m10
mova [rsp+mmsize*1], m11
mova [rsp+mmsize*2], m12
mova [rsp+mmsize*3], m13
mova [rsp+mmsize*4], m14
mova [rsp+mmsize*5], m15

movu m13, [ana_matrix_gq+ 0]
movq m15, [ana_matrix_gq+16]
pshufd m10, m13, q0000
pshufd m11, m13, q1111
pshufd m12, m13, q2222
pshufd m13, m13, q3333
pshufd m14, m15, q0000
pshufd m15, m15, q1111
mova [rsp+mmsize*6 ], m10
mova [rsp+mmsize*7 ], m11
mova [rsp+mmsize*8 ], m12
mova [rsp+mmsize*9 ], m13
mova [rsp+mmsize*10], m14
mova [rsp+mmsize*11], m15

movu m13, [ana_matrix_bq+ 0]
movq m15, [ana_matrix_bq+16]
pshufd m10, m13, q0000
pshufd m11, m13, q1111
pshufd m12, m13, q2222
pshufd m13, m13, q3333
pshufd m14, m15, q0000
pshufd m15, m15, q1111
.nextrow:
mov r11q, widthq
mov r12q, 0
%define o r12q

.loop:
movu m0, [lsrcq+o+0]
pshufb m1, m0, [ex_r]
pshufb m2, m0, [ex_g]
pshufb m3, m0, [ex_b]
movu m0, [rsrcq+o+0]
pshufb m4, m0, [ex_r]
pshufb m5, m0, [ex_g]
pshufb m6, m0, [ex_b]
pmulld m1, [rsp+mmsize*0]
pmulld m2, [rsp+mmsize*1]
pmulld m3, [rsp+mmsize*2]
pmulld m4, [rsp+mmsize*3]
pmulld m5, [rsp+mmsize*4]
pmulld m6, [rsp+mmsize*5]
paddd m1, m2
paddd m3, m4
paddd m5, m6
paddd m1, m3
paddd m1, m5

movu m0, [lsrcq+o+0]
pshufb m7, m0, [ex_r]
pshufb m2, m0, [ex_g]
pshufb m3, m0, [ex_b]
movu m0, [rsrcq+o+0]
pshufb m4, m0, [ex_r]
pshufb m5, m0, [ex_g]
pshufb m6, m0, [ex_b]
pmulld m7, [rsp+mmsize*6]
pmulld m2, [rsp+mmsize*7]
pmulld m3, [rsp+mmsize*8]
pmulld m4, [rsp+mmsize*9]
pmulld m5, [rsp+mmsize*10]
pmulld m6, [rsp+mmsize*11]
paddd m7, m2
paddd m3, m4
paddd m5, m6
paddd m7, m3
paddd m7, m5

movu m0, [lsrcq+o+0]
pshufb m8, m0, [ex_r]
pshufb m2, m0, [ex_g]
pshufb m3, m0, [ex_b]
movu m0, [rsrcq+o+0]
pshufb m4, m0, [ex_r]
pshufb m5, m0, [ex_g]
pshufb m6, m0, [ex_b]
pmulld m8, m10
pmulld m2, m11
pmulld m3, m12
pmulld m4, m13
pmulld m5, m14
pmulld m6, m15
paddd m8, m2
paddd m3, m4
paddd m5, m6
paddd m8, m3
paddd m8, m5

psrld m1, 16
psrld m7, 16
psrld m8, 16

packusdw m1, m7
packusdw m8, m8
packuswb m1, m8
pshufb m1, [shuf]

movq [dstq+o+0], m1
psrldq m1, 8
movd [dstq+o+8], m1
add r12d, 12
sub r11d, 4
jg .loop

add dstq, dst_linesizeq
add lsrcq, l_linesizeq
add rsrcq, r_linesizeq
sub heightd, 1
jg .nextrow
REP_RET
%endif

+ 37
- 0
libavfilter/x86/vf_stereo3d_init.c View File

@@ -0,0 +1,37 @@
/*
* 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/x86/cpu.h"

#include "libavfilter/stereo3d.h"

void ff_anaglyph_sse4(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
int width, int height,
const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b);

void ff_stereo3d_init_x86(Stereo3DDSPContext *dsp)
{
int cpu_flags = av_get_cpu_flags();

if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags)) {
dsp->anaglyph = ff_anaglyph_sse4;
}
}

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