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ffmpeg.wasm-core
Commit 7a1944b9 authored by Loren Merritt's avatar Loren Merritt Committed by Loren Merritt
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vf_hqdn3d: x86 asm 

13% faster on penryn, 16% on sandybridge, 15% on bulldozer
Not simd; a compiler should have generated this, but gcc didn't.
parent 566858a7
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Showing with 131 additions and 4 deletions
libavfilter/vf_hqdn3d.c
View file @ 7a1944b9
......@@ -41,8 +41,14 @@ typedef struct {
double strength[4];
int hsub, vsub;
int depth;
void (*denoise_row[17])(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal);
} HQDN3DContext;
void ff_hqdn3d_row_8_x86(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal);
void ff_hqdn3d_row_9_x86(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal);
void ff_hqdn3d_row_10_x86(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal);
void ff_hqdn3d_row_16_x86(uint8_t *src, uint8_t *dst, uint16_t *line_ant, uint16_t *frame_ant, ptrdiff_t w, int16_t *spatial, int16_t *temporal);
#define LUT_BITS (depth==16 ? 8 : 4)
#define RIGHTSHIFT(a,b) (((a)+(((1<<(b))-1)>>1))>>(b))
#define LOAD(x) ((depth==8 ? src[x] : AV_RN16A(src+(x)*2)) << (16-depth))
......@@ -79,7 +85,8 @@ static void denoise_temporal(uint8_t *src, uint8_t *dst,
}
av_always_inline
static void denoise_spatial(uint8_t *src, uint8_t *dst,
static void denoise_spatial(HQDN3DContext *hqdn3d,
uint8_t *src, uint8_t *dst,
uint16_t *line_ant, uint16_t *frame_ant,
int w, int h, int sstride, int dstride,
int16_t *spatial, int16_t *temporal, int depth)
......@@ -104,6 +111,10 @@ static void denoise_spatial(uint8_t *src, uint8_t *dst,
src += sstride;
dst += dstride;
frame_ant += w;
if (hqdn3d->denoise_row[depth]) {
hqdn3d->denoise_row[depth](src, dst, line_ant, frame_ant, w, spatial, temporal);
continue;
}
pixel_ant = LOAD(0);
for (x = 0; x < w-1; x++) {
line_ant[x] = tmp = lowpass(line_ant[x], pixel_ant, spatial, depth);
......@@ -118,7 +129,8 @@ static void denoise_spatial(uint8_t *src, uint8_t *dst,
}
av_always_inline
static void denoise_depth(uint8_t *src, uint8_t *dst,
static void denoise_depth(HQDN3DContext *hqdn3d,
uint8_t *src, uint8_t *dst,
uint16_t *line_ant, uint16_t **frame_ant_ptr,
int w, int h, int sstride, int dstride,
int16_t *spatial, int16_t *temporal, int depth)
......@@ -138,7 +150,7 @@ static void denoise_depth(uint8_t *src, uint8_t *dst,
}
if (spatial[0])
denoise_spatial(src, dst, line_ant, frame_ant,
denoise_spatial(hqdn3d, src, dst, line_ant, frame_ant,
w, h, sstride, dstride, spatial, temporal, depth);
else
denoise_temporal(src, dst, frame_ant,
......@@ -298,6 +310,13 @@ static int config_input(AVFilterLink *inlink)
return AVERROR(ENOMEM);
}
#if HAVE_YASM
hqdn3d->denoise_row[ 8] = ff_hqdn3d_row_8_x86;
hqdn3d->denoise_row[ 9] = ff_hqdn3d_row_9_x86;
hqdn3d->denoise_row[10] = ff_hqdn3d_row_10_x86;
hqdn3d->denoise_row[16] = ff_hqdn3d_row_16_x86;
#endif
return 0;
}
......@@ -315,7 +334,7 @@ static int end_frame(AVFilterLink *inlink)
int ret, c;
for (c = 0; c < 3; c++) {
denoise(inpic->data[c], outpic->data[c],
denoise(hqdn3d, inpic->data[c], outpic->data[c],
hqdn3d->line, &hqdn3d->frame_prev[c],
inpic->video->w >> (!!c * hqdn3d->hsub),
inpic->video->h >> (!!c * hqdn3d->vsub),
......
libavfilter/x86/Makefile
View file @ 7a1944b9
MMX-OBJS-$(CONFIG_YADIF_FILTER) += x86/yadif.o
MMX-OBJS-$(CONFIG_GRADFUN_FILTER) += x86/gradfun.o
YASM-OBJS-$(CONFIG_HQDN3D_FILTER) += x86/hqdn3d.o
libavfilter/x86/hqdn3d.asm 0 → 100644
View file @ 7a1944b9
;******************************************************************************
;* Copyright (c) 2012 Loren Merritt
;*
;* This file is part of Libav.
;*
;* Libav 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.
;*
;* Libav 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 Libav; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
SECTION .text
%macro LOWPASS 3 ; prevsample, cursample, lut
sub %1q, %2q
%if lut_bits != 8
sar %1q, 8-lut_bits
%endif
movsx %1d, word [%3q+%1q*2]
add %1d, %2d
%endmacro
%macro LOAD 3 ; dstreg, x, bitdepth
%if %3 == 8
movzx %1, byte [srcq+%2]
%else
movzx %1, word [srcq+(%2)*2]
%endif
%if %3 != 16
shl %1, 16-%3
%endif
%endmacro
%macro HQDN3D_ROW 1 ; bitdepth
%if ARCH_X86_64
cglobal hqdn3d_row_%1_x86, 7,10,0, src, dst, lineant, frameant, width, spatial, temporal, pixelant, t0, t1
%else
cglobal hqdn3d_row_%1_x86, 7,7,0, src, dst, lineant, frameant, width, spatial, temporal
%endif
%assign bytedepth (%1+7)>>3
%assign lut_bits 4+4*(%1/16)
dec widthq
lea srcq, [srcq+widthq*bytedepth]
lea dstq, [dstq+widthq*bytedepth]
lea frameantq, [frameantq+widthq*2]
lea lineantq, [lineantq+widthq*2]
neg widthq
%define xq widthq
%if ARCH_X86_32
mov dstmp, dstq
mov srcmp, srcq
mov frameantmp, frameantq
mov lineantmp, lineantq
%define dstq r0
%define frameantq r0
%define lineantq r0
%define pixelantq r1
%define pixelantd r1d
DECLARE_REG_TMP 2,3
%endif
LOAD pixelantd, xq, %1
ALIGN 16
.loop:
movifnidn srcq, srcmp
LOAD t0d, xq+1, %1 ; skip on the last iteration to avoid overread
.loop2:
movifnidn lineantq, lineantmp
movzx t1d, word [lineantq+xq*2]
LOWPASS t1, pixelant, spatial
mov [lineantq+xq*2], t1w
LOWPASS pixelant, t0, spatial
movifnidn frameantq, frameantmp
movzx t0d, word [frameantq+xq*2]
LOWPASS t0, t1, temporal
mov [frameantq+xq*2], t0w
movifnidn dstq, dstmp
%if %1 != 16
add t0d, (1<<(15-%1))-1
shr t0d, 16-%1 ; could eliminate this by storing from t0h, but only with some contraints on register allocation
%endif
%if %1 == 8
mov [dstq+xq], t0b
%else
mov [dstq+xq*2], t0w
%endif
inc xq
jl .loop
je .loop2
REP_RET
%endmacro ; HQDN3D_ROW
HQDN3D_ROW 8
HQDN3D_ROW 9
HQDN3D_ROW 10
HQDN3D_ROW 16
libavutil/x86/x86inc.asm
View file @ 7a1944b9
......@@ -140,6 +140,7 @@ CPUNOP amdnop
%define r%1w %2w
%define r%1b %2b
%define r%1h %2h
%define %2q %2
%if %0 == 2
%define r%1m %2d
%define r%1mp %2
......
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