[FFmpeg-cvslog] avfilter/vf_removegrain: add x86 and x86_64 SSE2 functions

James Darnley git at videolan.org
Wed Jul 15 09:52:35 CEST 2015


ffmpeg | branch: master | James Darnley <james.darnley at gmail.com> | Tue Jul 14 23:48:47 2015 +0000| [bff7242608409dc52bf2fd51a67bb9d5f171a0ab] | committer: Paul B Mahol

avfilter/vf_removegrain: add x86 and x86_64 SSE2 functions

Speed of all modes increased by a factor between 7.4 and 19.8 largely depending
on whether bytes are unpacked into words.  Modes 2, 3, and 4 have been sped-up
by a factor of 43 (thanks quick sort!)

All modes are available on x86_64 but only modes 1, 10, 11, 12, 13, 14, 19, 20,
21, and 22 are available on x86 due to the number of SIMD registers used.

With a contribution from James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bff7242608409dc52bf2fd51a67bb9d5f171a0ab
---

 LICENSE.md                            |    1 +
 libavfilter/removegrain.h             |   40 ++
 libavfilter/vf_removegrain.c          |   38 +-
 libavfilter/x86/Makefile              |    4 +
 libavfilter/x86/vf_removegrain.asm    | 1218 +++++++++++++++++++++++++++++++++
 libavfilter/x86/vf_removegrain_init.c |   88 +++
 6 files changed, 1370 insertions(+), 19 deletions(-)

diff --git a/LICENSE.md b/LICENSE.md
index 545d366..1a6e3b3 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -16,6 +16,7 @@ Specifically, the GPL parts of FFmpeg are:
 - optional x86 optimizations in the files
   - `libavcodec/x86/flac_dsp_gpl.asm`
   - `libavcodec/x86/idct_mmx.c`
+  - `libavfilter/x86/vf_removegrain.asm`
 - libutvideo encoding/decoding wrappers in
   `libavcodec/libutvideo*.cpp`
 - the X11 grabber in `libavdevice/x11grab.c`
diff --git a/libavfilter/removegrain.h b/libavfilter/removegrain.h
new file mode 100644
index 0000000..60401fb
--- /dev/null
+++ b/libavfilter/removegrain.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2015 Paul B Mahol
+ * Copyright (c) 2015 James Darnley
+ *
+ * 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 "avfilter.h"
+
+typedef struct RemoveGrainContext {
+    const AVClass *class;
+
+    int mode[4];
+
+    int nb_planes;
+    int planewidth[4];
+    int planeheight[4];
+    int skip_even;
+    int skip_odd;
+
+    int (*rg[4])(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8);
+
+    void (*fl[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+} RemoveGrainContext;
+
+void ff_removegrain_init_x86(RemoveGrainContext *rg);
diff --git a/libavfilter/vf_removegrain.c b/libavfilter/vf_removegrain.c
index 77b3561..da17f6a 100644
--- a/libavfilter/vf_removegrain.c
+++ b/libavfilter/vf_removegrain.c
@@ -2,6 +2,7 @@
  * Copyright (c) 2012 Laurent de Soras
  * Copyright (c) 2013 Fredrik Mellbin
  * Copyright (c) 2015 Paul B Mahol
+ * Copyright (c) 2015 James Darnley
  *
  * This file is part of FFmpeg.
  *
@@ -20,32 +21,15 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-/*
- * TODO: add SIMD
- */
-
 #include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
+#include "removegrain.h"
 #include "video.h"
 
-typedef struct RemoveGrainContext {
-    const AVClass *class;
-
-    int mode[4];
-
-    int nb_planes;
-    int planewidth[4];
-    int planeheight[4];
-    int skip_even;
-    int skip_odd;
-
-    int (*rg[4])(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8);
-} RemoveGrainContext;
-
 #define OFFSET(x) offsetof(RemoveGrainContext, x)
 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
 
@@ -142,6 +126,7 @@ static int mode05(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7,
 
     const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
 
+    /* When adding SIMD notice the return order here: 4, 2, 3, 1. */
     if (mindiff == c4) {
         return av_clip(c, mi4, ma4);
     } else if (mindiff == c2) {
@@ -524,6 +509,9 @@ static int config_input(AVFilterLink *inlink)
         }
     }
 
+    if (ARCH_X86)
+        ff_removegrain_init_x86(s);
+
     return 0;
 }
 
@@ -566,7 +554,19 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
         }
 
         *dst++ = *src++;
-        for (x = 1; x < s->planewidth[i] - 1; x++) {
+
+        if (s->fl[i]) {
+            int w_asm = (s->planewidth[i] - 2) & ~15;
+
+            s->fl[i](dst, src, in->linesize[i], w_asm);
+
+            x = 1 + w_asm;
+            dst += w_asm;
+            src += w_asm;
+        } else
+            x = 1;
+
+        for (; x < s->planewidth[i] - 1; x++) {
             const int a1 = src[-op];
             const int a2 = src[-o0];
             const int a3 = src[-om];
diff --git a/libavfilter/x86/Makefile b/libavfilter/x86/Makefile
index 230e879..5382027 100644
--- a/libavfilter/x86/Makefile
+++ b/libavfilter/x86/Makefile
@@ -8,6 +8,7 @@ OBJS-$(CONFIG_NOISE_FILTER)                  += x86/vf_noise.o
 OBJS-$(CONFIG_PP7_FILTER)                    += x86/vf_pp7_init.o
 OBJS-$(CONFIG_PSNR_FILTER)                   += x86/vf_psnr_init.o
 OBJS-$(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_TINTERLACE_FILTER)             += x86/vf_tinterlace_init.o
@@ -22,6 +23,9 @@ YASM-OBJS-$(CONFIG_INTERLACE_FILTER)         += x86/vf_interlace.o
 YASM-OBJS-$(CONFIG_PP7_FILTER)               += x86/vf_pp7.o
 YASM-OBJS-$(CONFIG_PSNR_FILTER)              += x86/vf_psnr.o
 YASM-OBJS-$(CONFIG_PULLUP_FILTER)            += x86/vf_pullup.o
+ifdef CONFIG_GPL
+YASM-OBJS-$(CONFIG_REMOVEGRAIN_FILTER)       += x86/vf_removegrain.o
+endif
 YASM-OBJS-$(CONFIG_SSIM_FILTER)              += x86/vf_ssim.o
 YASM-OBJS-$(CONFIG_TINTERLACE_FILTER)        += x86/vf_interlace.o
 YASM-OBJS-$(CONFIG_VOLUME_FILTER)            += x86/af_volume.o
diff --git a/libavfilter/x86/vf_removegrain.asm b/libavfilter/x86/vf_removegrain.asm
new file mode 100644
index 0000000..c09f89e
--- /dev/null
+++ b/libavfilter/x86/vf_removegrain.asm
@@ -0,0 +1,1218 @@
+;*****************************************************************************
+;* x86-optimized functions for removegrain filter
+;*
+;* Copyright (C) 2015 James Darnley
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg is free software; you can redistribute it and/or modify
+;* it under the terms of the GNU General Public License as published by
+;* the Free Software Foundation; either version 2 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 General Public License for more details.
+;*
+;* You should have received a copy of the GNU 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.
+;*****************************************************************************
+
+; column: -1  0 +1
+; row -1: a1 a2 a3
+; row  0: a4  c a5
+; row +1: a6 a7 a8
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION_RODATA 32
+
+pw_4:    times 16 dw 4
+pw_8:    times 16 dw 8
+pw_div9: times 16 dw ((1<<16)+4)/9
+
+SECTION_TEXT
+
+;*** Preprocessor helpers
+
+%define a1 srcq+stride_n-1
+%define a2 srcq+stride_n
+%define a3 srcq+stride_n+1
+%define a4 srcq-1
+%define c  srcq
+%define a5 srcq+1
+%define a6 srcq+stride_p-1
+%define a7 srcq+stride_p
+%define a8 srcq+stride_p+1
+
+; %1 dest simd register
+; %2 source memory location
+; %3 zero location (simd register/memory)
+%macro LOAD 3
+    movh %1, %2
+    punpcklbw %1, %3
+%endmacro
+
+%macro LOAD_SQUARE 0
+    movu m1, [a1]
+    movu m2, [a2]
+    movu m3, [a3]
+    movu m4, [a4]
+    movu m0, [c]
+    movu m5, [a5]
+    movu m6, [a6]
+    movu m7, [a7]
+    movu m8, [a8]
+%endmacro
+
+; %1 zero location (simd register/memory)
+%macro LOAD_SQUARE_16 1
+    LOAD m1, [a1], %1
+    LOAD m2, [a2], %1
+    LOAD m3, [a3], %1
+    LOAD m4, [a4], %1
+    LOAD m0, [c], %1
+    LOAD m5, [a5], %1
+    LOAD m6, [a6], %1
+    LOAD m7, [a7], %1
+    LOAD m8, [a8], %1
+%endmacro
+
+; %1 data type
+; %2 simd register to hold maximums
+; %3 simd register to hold minimums
+; %4 temp location (simd register/memory)
+%macro SORT_PAIR 4
+    mova   %4, %2
+    pmin%1 %2, %3
+    pmax%1 %3, %4
+%endmacro
+
+%macro SORT_AXIS 0
+    SORT_PAIR ub, m1, m8, m9
+    SORT_PAIR ub, m2, m7, m10
+    SORT_PAIR ub, m3, m6, m11
+    SORT_PAIR ub, m4, m5, m12
+%endmacro
+
+
+%macro SORT_AXIS_16 0
+    SORT_PAIR sw, m1, m8, m9
+    SORT_PAIR sw, m2, m7, m10
+    SORT_PAIR sw, m3, m6, m11
+    SORT_PAIR sw, m4, m5, m12
+%endmacro
+
+; The loop doesn't need to do all the iterations.  It could stop when the right
+; pixels are in the right registers.
+%macro SORT_SQUARE 0
+    %assign k 7
+    %rep 7
+        %assign i 1
+        %assign j 2
+        %rep k
+            SORT_PAIR ub, m %+ i , m %+ j , m9
+            %assign i i+1
+            %assign j j+1
+        %endrep
+        %assign k k-1
+    %endrep
+%endmacro
+
+; %1 dest simd register
+; %2 source (simd register/memory)
+; %3 temp simd register
+%macro ABS_DIFF 3
+    mova %3, %2
+    psubusb %3, %1
+    psubusb %1, %2
+    por %1, %3
+%endmacro
+
+; %1 dest simd register
+; %2 source (simd register/memory)
+; %3 temp simd register
+%macro ABS_DIFF_W 3
+    mova %3, %2
+    psubusw %3, %1
+    psubusw %1, %2
+    por %1, %3
+%endmacro
+
+; %1 simd register that holds the "false" values and will hold the result
+; %2 simd register that holds the "true" values
+; %3 location (simd register/memory) that hold the mask
+%macro BLEND 3
+%if cpuflag(avx2)
+    vpblendvb %1, %1, %2, %3
+%else
+    pand      %2, %3
+    pandn     %3, %1
+    por       %3, %2
+    SWAP      %1, %3
+%endif
+%endmacro
+
+; Functions
+
+INIT_XMM sse2
+cglobal rg_fl_mode_1, 4, 5, 3, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        movu m0, [a1]
+        mova m1, m0
+
+        movu m2, [a2]
+        pmaxub m0, m2
+        pminub m1, m2
+
+        movu m2, [a3]
+        pmaxub m0, m2
+        pminub m1, m2
+
+        movu m2, [a4]
+        pmaxub m0, m2
+        pminub m1, m2
+
+        movu m2, [a5]
+        pmaxub m0, m2
+        pminub m1, m2
+
+        movu m2, [a6]
+        pmaxub m0, m2
+        pminub m1, m2
+
+        movu m2, [a7]
+        pmaxub m0, m2
+        pminub m1, m2
+
+        movu m2, [a8]
+        pmaxub m0, m2
+        pminub m1, m2
+
+        movu m2, [c]
+        pminub m2, m0
+        pmaxub m2, m1
+
+        movu [dstq], m2
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+%if ARCH_X86_64
+cglobal rg_fl_mode_2, 4, 5, 10, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        LOAD_SQUARE
+        SORT_SQUARE
+
+        CLIPUB m0, m2, m7
+
+        movu [dstq], m0
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+cglobal rg_fl_mode_3, 4, 5, 10, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        LOAD_SQUARE
+        SORT_SQUARE
+
+        CLIPUB m0, m3, m6
+
+        movu [dstq], m0
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+cglobal rg_fl_mode_4, 4, 5, 10, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        LOAD_SQUARE
+        SORT_SQUARE
+
+        CLIPUB m0, m4, m5
+
+        movu [dstq], m0
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+cglobal rg_fl_mode_5, 4, 5, 13, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        LOAD_SQUARE
+        SORT_AXIS
+
+        mova m9, m0
+        mova m10, m0
+        mova m11, m0
+        mova m12, m0
+
+        CLIPUB m9, m1, m8
+        CLIPUB m10, m2, m7
+        CLIPUB m11, m3, m6
+        CLIPUB m12, m4, m5
+
+        mova m8, m9  ; clip1
+        mova m7, m10 ; clip2
+        mova m6, m11 ; clip3
+        mova m5, m12 ; clip4
+
+        ABS_DIFF m9, m0, m1  ; c1
+        ABS_DIFF m10, m0, m2 ; c2
+        ABS_DIFF m11, m0, m3 ; c3
+        ABS_DIFF m12, m0, m4 ; c4
+
+        pminub m9, m10
+        pminub m9, m11
+        pminub m9, m12 ; mindiff
+
+        pcmpeqb m10, m9
+        pcmpeqb m11, m9
+        pcmpeqb m12, m9
+
+        ; Notice the order here: c1, c3, c2, c4
+        BLEND m8, m6, m11
+        BLEND m8, m7, m10
+        BLEND m8, m5, m12
+
+        movu [dstq], m8
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+cglobal rg_fl_mode_6, 4, 5, 16, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    ; Some register saving suggestions: the zero can be somewhere other than a
+    ; register, the center pixels could be on the stack.
+
+    pxor m15, m15
+    .loop:
+        LOAD_SQUARE_16 m15
+        SORT_AXIS_16
+
+        mova m9, m0
+        mova m10, m0
+        mova m11, m0
+        mova m12, m0
+        CLIPW m9, m1, m8  ; clip1
+        CLIPW m10, m2, m7 ; clip2
+        CLIPW m11, m3, m6 ; clip3
+        CLIPW m12, m4, m5 ; clip4
+
+        psubw m8, m1 ; d1
+        psubw m7, m2 ; d2
+        psubw m6, m3 ; d3
+        psubw m5, m4 ; d4
+
+        mova m1, m9
+        mova m2, m10
+        mova m3, m11
+        mova m4, m12
+        ABS_DIFF_W m1, m0, m13
+        ABS_DIFF_W m2, m0, m14
+        ABS_DIFF_W m3, m0, m13
+        ABS_DIFF_W m4, m0, m14
+        psllw m1, 1
+        psllw m2, 1
+        psllw m3, 1
+        psllw m4, 1
+        paddw m1, m8 ; c1
+        paddw m2, m7 ; c2
+        paddw m3, m6 ; c3
+        paddw m4, m5 ; c4
+        ; As the differences (d1..d4) can only be postive, there is no need to
+        ; clip to zero.  Also, the maximum positive value is less than 768.
+
+        pminsw m1, m2
+        pminsw m1, m3
+        pminsw m1, m4
+
+        pcmpeqw m2, m1
+        pcmpeqw m3, m1
+        pcmpeqw m4, m1
+
+        BLEND m9, m11, m3
+        BLEND m9, m10, m2
+        BLEND m9, m12, m4
+        packuswb m9, m9
+
+        movh [dstq], m9
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+; This is just copy-pasted straight from mode 6 with the left shifts removed.
+cglobal rg_fl_mode_7, 4, 5, 16, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    ; Can this be done without unpacking?
+
+    pxor m15, m15
+    .loop:
+        LOAD_SQUARE_16 m15
+        SORT_AXIS_16
+
+        mova m9, m0
+        mova m10, m0
+        mova m11, m0
+        mova m12, m0
+        CLIPW m9, m1, m8  ; clip1
+        CLIPW m10, m2, m7 ; clip2
+        CLIPW m11, m3, m6 ; clip3
+        CLIPW m12, m4, m5 ; clip4
+
+        psubw m8, m1 ; d1
+        psubw m7, m2 ; d2
+        psubw m6, m3 ; d3
+        psubw m5, m4 ; d4
+
+        mova m1, m9
+        mova m2, m10
+        mova m3, m11
+        mova m4, m12
+        ABS_DIFF_W m1, m0, m13
+        ABS_DIFF_W m2, m0, m14
+        ABS_DIFF_W m3, m0, m13
+        ABS_DIFF_W m4, m0, m14
+        paddw m1, m8 ; c1
+        paddw m2, m7 ; c2
+        paddw m3, m6 ; c3
+        paddw m4, m5 ; c4
+
+        pminsw m1, m2
+        pminsw m1, m3
+        pminsw m1, m4
+
+        pcmpeqw m2, m1
+        pcmpeqw m3, m1
+        pcmpeqw m4, m1
+
+        BLEND m9, m11, m3
+        BLEND m9, m10, m2
+        BLEND m9, m12, m4
+        packuswb m9, m9
+
+        movh [dstq], m9
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+; This is just copy-pasted straight from mode 6 with a few changes.
+cglobal rg_fl_mode_8, 4, 5, 16, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m15, m15
+    .loop:
+        LOAD_SQUARE_16 m15
+        SORT_AXIS_16
+
+        mova m9, m0
+        mova m10, m0
+        mova m11, m0
+        mova m12, m0
+        CLIPW m9, m1, m8  ; clip1
+        CLIPW m10, m2, m7 ; clip2
+        CLIPW m11, m3, m6 ; clip3
+        CLIPW m12, m4, m5 ; clip4
+
+        psubw m8, m1 ; d1
+        psubw m7, m2 ; d2
+        psubw m6, m3 ; d3
+        psubw m5, m4 ; d4
+        psllw m8, 1
+        psllw m7, 1
+        psllw m6, 1
+        psllw m5, 1
+
+        mova m1, m9
+        mova m2, m10
+        mova m3, m11
+        mova m4, m12
+        ABS_DIFF_W m1, m0, m13
+        ABS_DIFF_W m2, m0, m14
+        ABS_DIFF_W m3, m0, m13
+        ABS_DIFF_W m4, m0, m14
+        paddw m1, m8 ; c1
+        paddw m2, m7 ; c1
+        paddw m3, m6 ; c1
+        paddw m4, m5 ; c1
+        ; As the differences (d1..d4) can only be postive, there is no need to
+        ; clip to zero.  Also, the maximum positive value is less than 768.
+
+        pminsw m1, m2
+        pminsw m1, m3
+        pminsw m1, m4
+
+        pcmpeqw m2, m1
+        pcmpeqw m3, m1
+        pcmpeqw m4, m1
+
+        BLEND m9, m11, m3
+        BLEND m9, m10, m2
+        BLEND m9, m12, m4
+        packuswb m9, m9
+
+        movh [dstq], m9
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+cglobal rg_fl_mode_9, 4, 5, 13, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        LOAD_SQUARE
+        SORT_AXIS
+
+        mova m9, m0
+        mova m10, m0
+        mova m11, m0
+        mova m12, m0
+        CLIPUB m9, m1, m8  ; clip1
+        CLIPUB m10, m2, m7 ; clip2
+        CLIPUB m11, m3, m6 ; clip3
+        CLIPUB m12, m4, m5 ; clip4
+
+        psubb m8, m1 ; d1
+        psubb m7, m2 ; d2
+        psubb m6, m3 ; d3
+        psubb m5, m4 ; d4
+
+        pminub m8, m7
+        pminub m8, m6
+        pminub m8, m5
+
+        pcmpeqb m7, m8
+        pcmpeqb m6, m8
+        pcmpeqb m5, m8
+
+        BLEND m9, m11, m6
+        BLEND m9, m10, m7
+        BLEND m9, m12, m5
+
+        movu [dstq], m9
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+%endif
+
+cglobal rg_fl_mode_10, 4, 5, 8, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        movu m0, [c]
+
+        movu m1, [a4]
+        mova m2, m1
+        ABS_DIFF m1, m0, m7
+
+        movu m3, [a5]       ; load pixel
+        mova m4, m3
+        ABS_DIFF m4, m0, m7 ; absolute difference from center
+        pminub m1, m4       ; mindiff
+        pcmpeqb m4, m1      ; if (difference == mindiff)
+        BLEND m2, m3, m4    ;     return pixel
+
+        movu m5, [a1]
+        mova m6, m5
+        ABS_DIFF m6, m0, m7
+        pminub m1, m6
+        pcmpeqb m6, m1
+        BLEND m2, m5, m6
+
+        movu m3, [a3]
+        mova m4, m3
+        ABS_DIFF m4, m0, m7
+        pminub m1, m4
+        pcmpeqb m4, m1
+        BLEND m2, m3, m4
+
+        movu m5, [a2]
+        mova m6, m5
+        ABS_DIFF m6, m0, m7
+        pminub m1, m6
+        pcmpeqb m6, m1
+        BLEND m2, m5, m6
+
+        movu m3, [a6]
+        mova m4, m3
+        ABS_DIFF m4, m0, m7
+        pminub m1, m4
+        pcmpeqb m4, m1
+        BLEND m2, m3, m4
+
+        movu m5, [a8]
+        mova m6, m5
+        ABS_DIFF m6, m0, m7
+        pminub m1, m6
+        pcmpeqb m6, m1
+        BLEND m2, m5, m6
+
+        movu m3, [a7]
+        mova m4, m3
+        ABS_DIFF m4, m0, m7
+        pminub m1, m4
+        pcmpeqb m4, m1
+        BLEND m2, m3, m4
+
+        movu [dstq], m2
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+cglobal rg_fl_mode_11_12, 4, 5, 7, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m0, m0
+    .loop:
+        LOAD m1, [c], m0
+        LOAD m2, [a2], m0
+        LOAD m3, [a4], m0
+        LOAD m4, [a5], m0
+        LOAD m5, [a7], m0
+
+        psllw m1, 2
+        paddw m2, m3
+        paddw m4, m5
+        paddw m2, m4
+        psllw m2, 1
+
+        LOAD m3, [a1], m0
+        LOAD m4, [a3], m0
+        LOAD m5, [a6], m0
+        LOAD m6, [a8], m0
+        paddw m1, m2
+        paddw m3, m4
+        paddw m5, m6
+        paddw m1, m3
+        paddw m1, m5
+
+        paddw m1, [pw_8]
+        psraw m1, 4
+
+        packuswb m1, m1
+
+        movh [dstq], m1
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+cglobal rg_fl_mode_13_14, 4, 5, 8, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        movu m1, [a1]
+        movu m2, [a8]
+        mova m0, m1
+        pavgb m1, m2
+        ABS_DIFF m0, m2, m6
+
+        movu m3, [a3]
+        movu m4, [a6]
+        mova m5, m3
+        pavgb m3, m4
+        ABS_DIFF m5, m4, m7
+        pminub m0, m5
+        pcmpeqb m5, m0
+        BLEND m1, m3, m5
+
+        movu m2, [a2]
+        movu m3, [a7]
+        mova m4, m2
+        pavgb m2, m3
+        ABS_DIFF m4, m3, m6
+        pminub m0, m4
+        pcmpeqb m4, m0
+        BLEND m1, m2, m4
+
+        movu [dstq], m1
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+%if ARCH_X86_64
+cglobal rg_fl_mode_15_16, 4, 5, 16, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m15, m15
+    .loop:
+        LOAD_SQUARE_16 m15
+
+        mova m9, m1
+        mova m10, m2
+        mova m11, m3
+        ABS_DIFF_W m9, m8, m12
+        ABS_DIFF_W m10, m7, m13
+        ABS_DIFF_W m11, m6, m14
+        pminsw m9, m10
+        pminsw m9, m11
+        pcmpeqw m10, m9
+        pcmpeqw m11, m9
+
+        mova m12, m2
+        mova m13, m1
+        mova m14, m6
+        paddw m12, m7
+        psllw m12, 1
+        paddw m13, m3
+        paddw m14, m8
+        paddw m12, [pw_4]
+        paddw m13, m14
+        paddw m12, m13
+        psrlw m12, 3
+
+        SORT_PAIR ub, m1, m8, m0
+        SORT_PAIR ub, m2, m7, m9
+        SORT_PAIR ub, m3, m6, m14
+        mova m4, m12
+        mova m5, m12
+        CLIPW m4, m1, m8
+        CLIPW m5, m2, m7
+        CLIPW m12, m3, m6
+
+        BLEND m4, m12, m11
+        BLEND m4,  m5, m10
+        packuswb m4, m4
+
+        movh [dstq], m4
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+cglobal rg_fl_mode_17, 4, 5, 9, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        LOAD_SQUARE
+        SORT_AXIS
+
+        pmaxub m1, m2
+        pmaxub m3, m4
+
+        pminub m8, m7
+        pminub m5, m6
+
+        pmaxub m1, m3
+        pminub m8, m5
+
+        mova m2, m1
+        pminub m1, m8
+        pmaxub m8, m2
+
+        CLIPUB m0, m1, m8
+
+        movu [dstq], m0
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+cglobal rg_fl_mode_18, 4, 5, 16, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        LOAD_SQUARE
+
+        mova m9, m1
+        mova m10, m8
+        ABS_DIFF m9, m0, m11
+        ABS_DIFF m10, m0, m12
+        pmaxub m9, m10 ; m9 = d1
+
+        mova m10, m2
+        mova m11, m7
+        ABS_DIFF m10, m0, m12
+        ABS_DIFF m11, m0, m13
+        pmaxub m10, m11 ; m10 = d2
+
+        mova m11, m3
+        mova m12, m6
+        ABS_DIFF m11, m0, m13
+        ABS_DIFF m12, m0, m14
+        pmaxub m11, m12 ; m11 = d3
+
+        mova m12, m4
+        mova m13, m5
+        ABS_DIFF m12, m0, m14
+        ABS_DIFF m13, m0, m15
+        pmaxub m12, m13 ; m12 = d4
+
+        mova m13, m9
+        pminub m13, m10
+        pminub m13, m11
+        pminub m13, m12 ; m13 = mindiff
+
+        pcmpeqb m10, m13
+        pcmpeqb m11, m13
+        pcmpeqb m12, m13
+
+        mova m14, m1
+        pminub m1, m8
+        pmaxub m8, m14
+
+        mova m13, m0
+        mova m14, m1
+        pminub m1, m8
+        pmaxub m8, m14
+        CLIPUB m13, m1, m8 ; m13 = ret...d1
+
+        mova m14, m0
+        mova m15, m3
+        pminub m3, m6
+        pmaxub m6, m15
+        CLIPUB m14, m3, m6
+        pand m14, m11
+        pandn m11, m13
+        por m14, m11 ; m14 = ret...d3
+
+        mova m15, m0
+        mova m1, m2
+        pminub m2, m7
+        pmaxub m7, m1
+        CLIPUB m15, m2, m7
+        pand m15, m10
+        pandn m10, m14
+        por m15, m10 ; m15 = ret...d2
+
+        mova m1, m0
+        mova m2, m4
+        pminub m4, m5
+        pmaxub m5, m2
+        CLIPUB m1, m4, m5
+        pand m1, m12
+        pandn m12, m15
+        por m1, m12 ; m15 = ret...d4
+
+        movu [dstq], m1
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+%endif
+
+cglobal rg_fl_mode_19, 4, 5, 7, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m0, m0
+    .loop:
+        LOAD m1, [a1], m0
+        LOAD m2, [a2], m0
+        paddw m1, m2
+
+        LOAD m3, [a3], m0
+        LOAD m4, [a4], m0
+        paddw m3, m4
+
+        LOAD m5, [a5], m0
+        LOAD m6, [a6], m0
+        paddw m5, m6
+
+        LOAD m2, [a7], m0
+        LOAD m4, [a8], m0
+        paddw m2, m4
+
+        paddw m1, m3
+        paddw m2, m5
+        paddw m1, m2
+
+        paddw m1, [pw_4]
+        psraw m1, 3
+
+        packuswb m1, m1
+
+        movh [dstq], m1
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+cglobal rg_fl_mode_20, 4, 5, 7, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m0, m0
+    .loop:
+        LOAD m1, [a1], m0
+        LOAD m2, [a2], m0
+        paddw m1, m2
+
+        LOAD m3, [a3], m0
+        LOAD m4, [a4], m0
+        paddw m3, m4
+
+        LOAD m5, [a5], m0
+        LOAD m6, [a6], m0
+        paddw m5, m6
+
+        LOAD m2, [a7], m0
+        LOAD m4, [a8], m0
+        paddw m2, m4
+
+        LOAD m6, [c], m0
+        paddw m1, m3
+        paddw m2, m5
+        paddw m6, [pw_4]
+
+        paddw m1, m2
+        paddw m1, m6
+
+        pmulhuw m1, [pw_div9]
+
+        packuswb m1, m1
+
+        movh [dstq], m1
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+cglobal rg_fl_mode_21, 4, 5, 8, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m0, m0
+    .loop:
+        movu m1, [a1]
+        movu m2, [a8]
+        pavgb m7, m1, m2
+        punpckhbw m3, m1, m0
+        punpcklbw m1, m0
+        punpckhbw m4, m2, m0
+        punpcklbw m2, m0
+        paddw m3, m4
+        paddw m1, m2
+        psrlw m3, 1
+        psrlw m1, 1
+        packuswb m1, m3
+
+        movu m2, [a2]
+        movu m3, [a7]
+        pavgb m6, m2, m3
+        punpckhbw m4, m2, m0
+        punpcklbw m2, m0
+        punpckhbw m5, m3, m0
+        punpcklbw m3, m0
+        paddw m4, m5
+        paddw m2, m3
+        psrlw m4, 1
+        psrlw m2, 1
+        packuswb m2, m4
+
+        pminub m1, m2
+        pmaxub m7, m6
+
+        movu m2, [a3]
+        movu m3, [a6]
+        pavgb m6, m2, m3
+        punpckhbw m4, m2, m0
+        punpcklbw m2, m0
+        punpckhbw m5, m3, m0
+        punpcklbw m3, m0
+        paddw m4, m5
+        paddw m2, m3
+        psrlw m4, 1
+        psrlw m2, 1
+        packuswb m2, m4
+
+        pminub m1, m2
+        pmaxub m7, m6
+
+        movu m2, [a4]
+        movu m3, [a5]
+        pavgb m6, m2, m3
+        punpckhbw m4, m2, m0
+        punpcklbw m2, m0
+        punpckhbw m5, m3, m0
+        punpcklbw m3, m0
+        paddw m4, m5
+        paddw m2, m3
+        psrlw m4, 1
+        psrlw m2, 1
+        packuswb m2, m4
+
+        pminub m1, m2
+        pmaxub m7, m6
+
+        movu m3, [c]
+        CLIPUB m3, m1, m7
+
+        movu [dstq], m3
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+cglobal rg_fl_mode_22, 4, 5, 8, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    .loop:
+        movu m0, [a1]
+        movu m1, [a8]
+        pavgb m0, m1
+        movu m2, [a2]
+        movu m3, [a7]
+        pavgb m2, m3
+        movu m4, [a3]
+        movu m5, [a6]
+        pavgb m4, m5
+        movu m6, [a4]
+        movu m7, [a5]
+        pavgb m6, m7
+
+        mova m1, m0
+        mova m3, m2
+        mova m5, m4
+        mova m7, m6
+        pminub m0, m2
+        pminub m4, m6
+        pmaxub m1, m3
+        pmaxub m5, m7
+        pminub m0, m4
+        pmaxub m1, m5
+
+        movu m2, [c]
+        CLIPUB m2, m0, m1
+
+        movu [dstq], m2
+        add srcq, mmsize
+        add dstq, mmsize
+        sub pixelsd, mmsize
+    jg .loop
+RET
+
+%if ARCH_X86_64
+cglobal rg_fl_mode_23, 4, 5, 16, 0, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m15, m15
+    .loop:
+        LOAD_SQUARE_16 m15
+        SORT_AXIS_16
+
+        mova m9, m8
+        mova m10, m7
+        mova m11, m6
+        mova m12, m5
+        psubw m9, m1  ; linediff1
+        psubw m10, m2 ; linediff2
+        psubw m11, m3 ; linediff3
+        psubw m12, m4 ; linediff4
+
+        psubw m1, m0
+        psubw m2, m0
+        psubw m3, m0
+        psubw m4, m0
+        pminsw m1, m9  ; d1
+        pminsw m2, m10 ; d2
+        pminsw m3, m11 ; d3
+        pminsw m4, m12 ; d4
+        pmaxsw m1, m2
+        pmaxsw m3, m4
+        pmaxsw m1, m3
+        pmaxsw m1, m15 ; d
+
+        mova m13, m0
+        mova m14, m0
+        mova m2, m0
+        mova m4, m0
+        psubw m13, m8
+        psubw m14, m7
+        psubw m2, m6
+        psubw m4, m5
+        pminsw m9, m13  ; u1
+        pminsw m10, m14 ; u2
+        pminsw m11, m2  ; u3
+        pminsw m12, m4  ; u4
+        pmaxsw m9, m10
+        pmaxsw m11, m12
+        pmaxsw m9, m11
+        pmaxsw m9, m15  ; u
+
+        paddw m0, m1
+        psubw m0, m9
+        packuswb m0, m0
+
+        movh [dstq], m0
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+
+cglobal rg_fl_mode_24, 4, 5, 16, mmsize, dst, src, stride, pixels
+    mov r4q, strideq
+    neg r4q
+    %define stride_p strideq
+    %define stride_n r4q
+
+    pxor m15, m15
+    .loop:
+        LOAD_SQUARE_16 m15
+        mova [rsp], m0
+        SORT_AXIS_16
+
+        mova m9, m8
+        mova m10, m7
+        mova m11, m6
+        mova m12, m5
+        psubw m9, m1  ; linediff1
+        psubw m10, m2 ; linediff2
+        psubw m11, m3 ; linediff3
+        psubw m12, m4 ; linediff4
+
+        psubw m1, [rsp] ; td1
+        psubw m2, [rsp] ; td2
+        psubw m3, [rsp] ; td3
+        psubw m4, [rsp] ; td4
+        mova m0, m9
+        mova m13, m10
+        mova m14, m11
+        mova m15, m12
+        psubw m0, m1
+        psubw m13, m2
+        psubw m14, m3
+        psubw m15, m4
+        pminsw m1, m0  ; d1
+        pminsw m2, m13 ; d2
+        pminsw m3, m14 ; d3
+        pminsw m4, m15 ; d4
+        pmaxsw m1, m2
+        pmaxsw m3, m4
+
+        mova m0, [rsp]
+        mova m13, [rsp]
+        mova m14, [rsp]
+        mova m15, [rsp]
+        psubw m0, m8  ; tu1
+        psubw m13, m7 ; tu2
+        psubw m14, m6 ; tu3
+        psubw m15, m5 ; tu4
+        psubw m9, m0
+        psubw m10, m13
+        psubw m11, m14
+        psubw m12, m15
+        pminsw m9, m0   ; u1
+        pminsw m10, m13 ; u2
+        pminsw m11, m14 ; u3
+        pminsw m12, m15 ; u4
+        pmaxsw m9, m10
+        pmaxsw m11, m12
+
+        pmaxsw m1, m3  ; d without max(d,0)
+        pmaxsw m9, m11  ; u without max(u,0)
+        pxor m15, m15
+        pmaxsw m1, m15
+        pmaxsw m9, m15
+
+        mova m0, [rsp]
+        paddw m0, m1
+        psubw m0, m9
+        packuswb m0, m0
+
+        movh [dstq], m0
+        add srcq, mmsize/2
+        add dstq, mmsize/2
+        sub pixelsd, mmsize/2
+    jg .loop
+RET
+%endif
diff --git a/libavfilter/x86/vf_removegrain_init.c b/libavfilter/x86/vf_removegrain_init.c
new file mode 100644
index 0000000..07314b3
--- /dev/null
+++ b/libavfilter/x86/vf_removegrain_init.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2015 James Darnley
+ *
+ * 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/removegrain.h"
+
+void ff_rg_fl_mode_1_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_10_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_11_12_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_13_14_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_19_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_20_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_21_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_22_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+#if ARCH_X86_64
+void ff_rg_fl_mode_2_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_3_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_4_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_5_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_6_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_7_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_8_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_9_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_15_16_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_17_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_18_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_23_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+void ff_rg_fl_mode_24_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int pixels);
+#endif
+
+av_cold void ff_removegrain_init_x86(RemoveGrainContext *rg)
+{
+#if CONFIG_GPL
+    int cpu_flags = av_get_cpu_flags();
+    int i;
+
+    for (i = 0; i < rg->nb_planes; i++) {
+        if (EXTERNAL_SSE2(cpu_flags))
+            switch (rg->mode[i]) {
+                case 1: rg->fl[i] = ff_rg_fl_mode_1_sse2; break;
+                case 10: rg->fl[i] = ff_rg_fl_mode_10_sse2; break;
+                case 11: /* fall through */
+                case 12: rg->fl[i] = ff_rg_fl_mode_11_12_sse2; break;
+                case 13: /* fall through */
+                case 14: rg->fl[i] = ff_rg_fl_mode_13_14_sse2; break;
+                case 19: rg->fl[i] = ff_rg_fl_mode_19_sse2; break;
+                case 20: rg->fl[i] = ff_rg_fl_mode_20_sse2; break;
+                case 21: rg->fl[i] = ff_rg_fl_mode_21_sse2; break;
+                case 22: rg->fl[i] = ff_rg_fl_mode_22_sse2; break;
+#if ARCH_X86_64
+                case 2: rg->fl[i] = ff_rg_fl_mode_2_sse2; break;
+                case 3: rg->fl[i] = ff_rg_fl_mode_3_sse2; break;
+                case 4: rg->fl[i] = ff_rg_fl_mode_4_sse2; break;
+                case 5: rg->fl[i] = ff_rg_fl_mode_5_sse2; break;
+                case 6: rg->fl[i] = ff_rg_fl_mode_6_sse2; break;
+                case 7: rg->fl[i] = ff_rg_fl_mode_7_sse2; break;
+                case 8: rg->fl[i] = ff_rg_fl_mode_8_sse2; break;
+                case 9: rg->fl[i] = ff_rg_fl_mode_9_sse2; break;
+                case 15: /* fall through */
+                case 16: rg->fl[i] = ff_rg_fl_mode_15_16_sse2; break;
+                case 17: rg->fl[i] = ff_rg_fl_mode_17_sse2; break;
+                case 18: rg->fl[i] = ff_rg_fl_mode_18_sse2; break;
+                case 23: rg->fl[i] = ff_rg_fl_mode_23_sse2; break;
+                case 24: rg->fl[i] = ff_rg_fl_mode_24_sse2; break;
+#endif /* ARCH_x86_64 */
+            }
+    }
+#endif /* CONFIG_GPL */
+}




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