From: Shaun Loo <shaunlo...@gmail.com>

This is a part of Google Summer of Code 2023

Co-authored-by: Nuo Mi <nuomi2...@gmail.com>
---
 libavcodec/x86/h26x/h2656_sao.asm       | 301 ++++++++++++++++++++++++
 libavcodec/x86/h26x/h2656_sao_10bit.asm | 301 ++++++++++++++++++++++++
 libavcodec/x86/hevc/sao.asm             | 278 +---------------------
 libavcodec/x86/hevc/sao_10bit.asm       | 277 +---------------------
 4 files changed, 610 insertions(+), 547 deletions(-)
 create mode 100644 libavcodec/x86/h26x/h2656_sao.asm
 create mode 100644 libavcodec/x86/h26x/h2656_sao_10bit.asm

diff --git a/libavcodec/x86/h26x/h2656_sao.asm 
b/libavcodec/x86/h26x/h2656_sao.asm
new file mode 100644
index 0000000000..504fcb388b
--- /dev/null
+++ b/libavcodec/x86/h26x/h2656_sao.asm
@@ -0,0 +1,301 @@
+;******************************************************************************
+;* SIMD optimized SAO functions for HEVC/VVC 8bit decoding
+;*
+;* Copyright (c) 2013 Pierre-Edouard LEPERE
+;* Copyright (c) 2014 James Almer
+;*
+;* 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 32
+
+pb_edge_shuffle: times 2 db 1, 2, 0, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
-1, -1
+pb_eo:                   db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 
1
+cextern pb_1
+cextern pb_2
+
+SECTION .text
+
+;******************************************************************************
+;SAO Band Filter
+;******************************************************************************
+
+%macro H2656_SAO_BAND_FILTER_INIT 0
+    and            leftq, 31
+    movd             xm0, leftd
+    add            leftq, 1
+    and            leftq, 31
+    movd             xm1, leftd
+    add            leftq, 1
+    and            leftq, 31
+    movd             xm2, leftd
+    add            leftq, 1
+    and            leftq, 31
+    movd             xm3, leftd
+
+    SPLATW            m0, xm0
+    SPLATW            m1, xm1
+    SPLATW            m2, xm2
+    SPLATW            m3, xm3
+%if mmsize > 16
+    SPLATW            m4, [offsetq + 2]
+    SPLATW            m5, [offsetq + 4]
+    SPLATW            m6, [offsetq + 6]
+    SPLATW            m7, [offsetq + 8]
+%else
+    movq              m7, [offsetq + 2]
+    SPLATW            m4, m7, 0
+    SPLATW            m5, m7, 1
+    SPLATW            m6, m7, 2
+    SPLATW            m7, m7, 3
+%endif
+
+%if ARCH_X86_64
+    pxor             m14, m14
+
+%else ; ARCH_X86_32
+    mova  [rsp+mmsize*0], m0
+    mova  [rsp+mmsize*1], m1
+    mova  [rsp+mmsize*2], m2
+    mova  [rsp+mmsize*3], m3
+    mova  [rsp+mmsize*4], m4
+    mova  [rsp+mmsize*5], m5
+    mova  [rsp+mmsize*6], m6
+    pxor              m0, m0
+    %assign MMSIZE mmsize
+    %define m14 m0
+    %define m13 m1
+    %define  m9 m2
+    %define  m8 m3
+%endif ; ARCH
+DEFINE_ARGS dst, src, dststride, srcstride, offset, height
+    mov          heightd, r7m
+%endmacro
+
+%macro H2656_SAO_BAND_FILTER_COMPUTE 2
+    psraw             %1, %2, 3
+%if ARCH_X86_64
+    pcmpeqw          m10, %1, m0
+    pcmpeqw          m11, %1, m1
+    pcmpeqw          m12, %1, m2
+    pcmpeqw           %1, m3
+    pand             m10, m4
+    pand             m11, m5
+    pand             m12, m6
+    pand              %1, m7
+    por              m10, m11
+    por              m12, %1
+    por              m10, m12
+    paddw             %2, m10
+%else ; ARCH_X86_32
+    pcmpeqw           m4, %1, [rsp+MMSIZE*0]
+    pcmpeqw           m5, %1, [rsp+MMSIZE*1]
+    pcmpeqw           m6, %1, [rsp+MMSIZE*2]
+    pcmpeqw           %1, [rsp+MMSIZE*3]
+    pand              m4, [rsp+MMSIZE*4]
+    pand              m5, [rsp+MMSIZE*5]
+    pand              m6, [rsp+MMSIZE*6]
+    pand              %1, m7
+    por               m4, m5
+    por               m6, %1
+    por               m4, m6
+    paddw             %2, m4
+%endif ; ARCH
+%endmacro
+
+;void ff_{hevc, vvc}_sao_band_filter_<width>_8_<opt>(uint8_t *_dst, const 
uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
+;                                             int16_t *sao_offset_val, int 
sao_left_class, int width, int height);
+%macro H2656_SAO_BAND_FILTER 3
+cglobal %1_sao_band_filter_%2_8, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, 
dststride, srcstride, offset, left
+    H2656_SAO_BAND_FILTER_INIT
+
+align 16
+.loop:
+%if %2 == 8
+    movq              m8, [srcq]
+    punpcklbw         m8, m14
+    H2656_SAO_BAND_FILTER_COMPUTE m9, m8
+    packuswb          m8, m14
+    movq          [dstq], m8
+%endif ; %2 == 8
+
+%assign i 0
+%rep %3
+    mova             m13, [srcq + i]
+    punpcklbw         m8, m13, m14
+    H2656_SAO_BAND_FILTER_COMPUTE m9,  m8
+    punpckhbw        m13, m14
+    H2656_SAO_BAND_FILTER_COMPUTE m9, m13
+    packuswb          m8, m13
+    mova      [dstq + i], m8
+%assign i i+mmsize
+%endrep
+
+%if %2 == 48
+INIT_XMM cpuname
+
+    mova             m13, [srcq + i]
+    punpcklbw         m8, m13, m14
+    H2656_SAO_BAND_FILTER_COMPUTE m9,  m8
+    punpckhbw        m13, m14
+    H2656_SAO_BAND_FILTER_COMPUTE m9, m13
+    packuswb          m8, m13
+    mova      [dstq + i], m8
+%if cpuflag(avx2)
+INIT_YMM cpuname
+%endif
+%endif ; %2 == 48
+
+    add             dstq, dststrideq             ; dst += dststride
+    add             srcq, srcstrideq             ; src += srcstride
+    dec          heightd                         ; cmp height
+    jnz               .loop                      ; height loop
+    RET
+%endmacro
+
+;******************************************************************************
+;SAO Edge Filter
+;******************************************************************************
+
+%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
+%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
+
+%macro H2656_SAO_EDGE_FILTER_INIT 0
+%if WIN64
+    movsxd           eoq, dword eom
+%elif ARCH_X86_64
+    movsxd           eoq, eod
+%else
+    mov              eoq, r4m
+%endif
+    lea            tmp2q, [pb_eo]
+    movsx      a_strideq, byte [tmp2q+eoq*4+1]
+    movsx      b_strideq, byte [tmp2q+eoq*4+3]
+    imul       a_strideq, EDGE_SRCSTRIDE
+    imul       b_strideq, EDGE_SRCSTRIDE
+    movsx           tmpq, byte [tmp2q+eoq*4]
+    add        a_strideq, tmpq
+    movsx           tmpq, byte [tmp2q+eoq*4+2]
+    add        b_strideq, tmpq
+%endmacro
+
+%macro H2656_SAO_EDGE_FILTER_COMPUTE 1
+    pminub            m4, m1, m2
+    pminub            m5, m1, m3
+    pcmpeqb           m2, m4
+    pcmpeqb           m3, m5
+    pcmpeqb           m4, m1
+    pcmpeqb           m5, m1
+    psubb             m4, m2
+    psubb             m5, m3
+    paddb             m4, m6
+    paddb             m4, m5
+
+    pshufb            m2, m0, m4
+%if %1 > 8
+    punpckhbw         m5, m7, m1
+    punpckhbw         m4, m2, m7
+    punpcklbw         m3, m7, m1
+    punpcklbw         m2, m7
+    pmaddubsw         m5, m4
+    pmaddubsw         m3, m2
+    packuswb          m3, m5
+%else
+    punpcklbw         m3, m7, m1
+    punpcklbw         m2, m7
+    pmaddubsw         m3, m2
+    packuswb          m3, m3
+%endif
+%endmacro
+
+;void ff_{hevc, vvc}_sao_edge_filter_<width>_8_<opt>(uint8_t *_dst, uint8_t 
*_src, ptrdiff_t stride_dst, int16_t *sao_offset_val,
+;                                             int eo, int width, int height);
+%macro H2656_SAO_EDGE_FILTER 3-4
+%if ARCH_X86_64
+cglobal %1_sao_edge_filter_%2_8, 4, 9, 8, dst, src, dststride, offset, eo, 
a_stride, b_stride, height, tmp
+%define tmp2q heightq
+    H2656_SAO_EDGE_FILTER_INIT
+    mov          heightd, r6m
+
+%else ; ARCH_X86_32
+cglobal %1_sao_edge_filter_%2_8, 1, 6, 8, dst, src, dststride, a_stride, 
b_stride, height
+%define eoq   srcq
+%define tmpq  heightq
+%define tmp2q dststrideq
+%define offsetq heightq
+    H2656_SAO_EDGE_FILTER_INIT
+    mov             srcq, srcm
+    mov          offsetq, r3m
+    mov       dststrideq, dststridem
+%endif ; ARCH
+
+%if mmsize > 16
+    vbroadcasti128    m0, [offsetq]
+%else
+    movu              m0, [offsetq]
+%endif
+    mova              m1, [pb_edge_shuffle]
+    packsswb          m0, m0
+    mova              m7, [pb_1]
+    pshufb            m0, m1
+    mova              m6, [pb_2]
+%if ARCH_X86_32
+    mov          heightd, r6m
+%endif
+
+align 16
+.loop:
+
+%if %2 == 8
+    movq              m1, [srcq]
+    movq              m2, [srcq + a_strideq]
+    movq              m3, [srcq + b_strideq]
+    H2656_SAO_EDGE_FILTER_COMPUTE %2
+    movq          [dstq], m3
+%endif
+
+%assign i 0
+%rep %3
+    mova              m1, [srcq + i]
+    movu              m2, [srcq + a_strideq + i]
+    movu              m3, [srcq + b_strideq + i]
+    H2656_SAO_EDGE_FILTER_COMPUTE %2
+    mov%4     [dstq + i], m3
+%assign i i+mmsize
+%endrep
+
+%if %2 == 48
+INIT_XMM cpuname
+
+    mova              m1, [srcq + i]
+    movu              m2, [srcq + a_strideq + i]
+    movu              m3, [srcq + b_strideq + i]
+    H2656_SAO_EDGE_FILTER_COMPUTE %2
+    mova      [dstq + i], m3
+%if cpuflag(avx2)
+INIT_YMM cpuname
+%endif
+%endif
+
+    add             dstq, dststrideq
+    add             srcq, EDGE_SRCSTRIDE
+    dec          heightd
+    jg .loop
+    RET
+%endmacro
diff --git a/libavcodec/x86/h26x/h2656_sao_10bit.asm 
b/libavcodec/x86/h26x/h2656_sao_10bit.asm
new file mode 100644
index 0000000000..052f2b1d16
--- /dev/null
+++ b/libavcodec/x86/h26x/h2656_sao_10bit.asm
@@ -0,0 +1,301 @@
+;******************************************************************************
+;* SIMD optimized SAO functions for HEVC/VVC 10/12bit decoding
+;*
+;* Copyright (c) 2013 Pierre-Edouard LEPERE
+;* Copyright (c) 2014 James Almer
+;*
+;* 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 32
+
+pw_m2:     times 16 dw -2
+pw_mask10: times 16 dw 0x03FF
+pw_mask12: times 16 dw 0x0FFF
+pb_eo:              db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 1
+cextern pw_m1
+cextern pw_1
+cextern pw_2
+
+SECTION .text
+
+;******************************************************************************
+;SAO Band Filter
+;******************************************************************************
+
+%macro H2656_SAO_BAND_FILTER_INIT 1
+    and            leftq, 31
+    movd             xm0, leftd
+    add            leftq, 1
+    and            leftq, 31
+    movd             xm1, leftd
+    add            leftq, 1
+    and            leftq, 31
+    movd             xm2, leftd
+    add            leftq, 1
+    and            leftq, 31
+    movd             xm3, leftd
+
+    SPLATW            m0, xm0
+    SPLATW            m1, xm1
+    SPLATW            m2, xm2
+    SPLATW            m3, xm3
+%if mmsize > 16
+    SPLATW            m4, [offsetq + 2]
+    SPLATW            m5, [offsetq + 4]
+    SPLATW            m6, [offsetq + 6]
+    SPLATW            m7, [offsetq + 8]
+%else
+    movq              m7, [offsetq + 2]
+    SPLATW            m4, m7, 0
+    SPLATW            m5, m7, 1
+    SPLATW            m6, m7, 2
+    SPLATW            m7, m7, 3
+%endif
+
+%if ARCH_X86_64
+    mova             m13, [pw_mask %+ %1]
+    pxor             m14, m14
+
+%else ; ARCH_X86_32
+    mova  [rsp+mmsize*0], m0
+    mova  [rsp+mmsize*1], m1
+    mova  [rsp+mmsize*2], m2
+    mova  [rsp+mmsize*3], m3
+    mova  [rsp+mmsize*4], m4
+    mova  [rsp+mmsize*5], m5
+    mova  [rsp+mmsize*6], m6
+    mova              m1, [pw_mask %+ %1]
+    pxor              m0, m0
+    %define m14 m0
+    %define m13 m1
+    %define  m9 m2
+    %define  m8 m3
+%endif ; ARCH
+DEFINE_ARGS dst, src, dststride, srcstride, offset, height
+    mov          heightd, r7m
+%endmacro
+
+;void ff_{hevc, vvc}_sao_band_filter_<width>_<depth>_<opt>(uint8_t *_dst, 
const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
+;                                                   int16_t *sao_offset_val, 
int sao_left_class, int width, int height);
+%macro H2656_SAO_BAND_FILTER 4
+cglobal %1_sao_band_filter_%3_%2, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, 
dststride, srcstride, offset, left
+    H2656_SAO_BAND_FILTER_INIT %2
+
+align 16
+.loop:
+
+%assign i 0
+%assign j 0
+%rep %4
+%assign k 8+(j&1)
+%assign l 9-(j&1)
+    mova          m %+ k, [srcq + i]
+    psraw         m %+ l, m %+ k, %2-5
+%if ARCH_X86_64
+    pcmpeqw          m10, m %+ l, m0
+    pcmpeqw          m11, m %+ l, m1
+    pcmpeqw          m12, m %+ l, m2
+    pcmpeqw       m %+ l, m3
+    pand             m10, m4
+    pand             m11, m5
+    pand             m12, m6
+    pand          m %+ l, m7
+    por              m10, m11
+    por              m12, m %+ l
+    por              m10, m12
+    paddw         m %+ k, m10
+%else ; ARCH_X86_32
+    pcmpeqw           m4, m %+ l, [rsp+mmsize*0]
+    pcmpeqw           m5, m %+ l, [rsp+mmsize*1]
+    pcmpeqw           m6, m %+ l, [rsp+mmsize*2]
+    pcmpeqw       m %+ l, [rsp+mmsize*3]
+    pand              m4, [rsp+mmsize*4]
+    pand              m5, [rsp+mmsize*5]
+    pand              m6, [rsp+mmsize*6]
+    pand          m %+ l, m7
+    por               m4, m5
+    por               m6, m %+ l
+    por               m4, m6
+    paddw         m %+ k, m4
+%endif ; ARCH
+    CLIPW             m %+ k, m14, m13
+    mova      [dstq + i], m %+ k
+%assign i i+mmsize
+%assign j j+1
+%endrep
+
+    add             dstq, dststrideq
+    add             srcq, srcstrideq
+    dec          heightd
+    jg .loop
+    RET
+%endmacro
+
+;******************************************************************************
+;SAO Edge Filter
+;******************************************************************************
+
+%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
+%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
+
+%macro PMINUW 4
+%if cpuflag(sse4)
+    pminuw            %1, %2, %3
+%else
+    psubusw           %4, %2, %3
+    psubw             %1, %2, %4
+%endif
+%endmacro
+
+%macro H2656_SAO_EDGE_FILTER_INIT 0
+%if WIN64
+    movsxd           eoq, dword eom
+%elif ARCH_X86_64
+    movsxd           eoq, eod
+%else
+    mov              eoq, r4m
+%endif
+    lea            tmp2q, [pb_eo]
+    movsx      a_strideq, byte [tmp2q+eoq*4+1]
+    movsx      b_strideq, byte [tmp2q+eoq*4+3]
+    imul       a_strideq, EDGE_SRCSTRIDE >> 1
+    imul       b_strideq, EDGE_SRCSTRIDE >> 1
+    movsx           tmpq, byte [tmp2q+eoq*4]
+    add        a_strideq, tmpq
+    movsx           tmpq, byte [tmp2q+eoq*4+2]
+    add        b_strideq, tmpq
+%endmacro
+
+;void ff_{hevc, vvc}_sao_edge_filter_<width>_<depth>_<opt>(uint8_t *_dst, 
uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val,
+;                                                   int eo, int width, int 
height);
+%macro H2656_SAO_EDGE_FILTER 4
+%if ARCH_X86_64
+cglobal %1_sao_edge_filter_%3_%2, 4, 9, 16, dst, src, dststride, offset, eo, 
a_stride, b_stride, height, tmp
+%define tmp2q heightq
+    H2656_SAO_EDGE_FILTER_INIT
+    mov          heightd, r6m
+    add        a_strideq, a_strideq
+    add        b_strideq, b_strideq
+
+%else ; ARCH_X86_32
+cglobal %1_sao_edge_filter_%3_%2, 1, 6, 8, 5*mmsize, dst, src, dststride, 
a_stride, b_stride, height
+%define eoq   srcq
+%define tmpq  heightq
+%define tmp2q dststrideq
+%define offsetq heightq
+%define m8 m1
+%define m9 m2
+%define m10 m3
+%define m11 m4
+%define m12 m5
+    H2656_SAO_EDGE_FILTER_INIT
+    mov             srcq, srcm
+    mov          offsetq, r3m
+    mov       dststrideq, dststridem
+    add        a_strideq, a_strideq
+    add        b_strideq, b_strideq
+
+%endif ; ARCH
+
+%if mmsize > 16
+    SPLATW            m8, [offsetq+2]
+    SPLATW            m9, [offsetq+4]
+    SPLATW           m10, [offsetq+0]
+    SPLATW           m11, [offsetq+6]
+    SPLATW           m12, [offsetq+8]
+%else
+    movq             m10, [offsetq+0]
+    movd             m12, [offsetq+6]
+    SPLATW            m8, xm10, 1
+    SPLATW            m9, xm10, 2
+    SPLATW           m10, xm10, 0
+    SPLATW           m11, xm12, 0
+    SPLATW           m12, xm12, 1
+%endif
+    pxor              m0, m0
+%if ARCH_X86_64
+    mova             m13, [pw_m1]
+    mova             m14, [pw_1]
+    mova             m15, [pw_2]
+%else
+    mov          heightd, r6m
+    mova  [rsp+mmsize*0], m8
+    mova  [rsp+mmsize*1], m9
+    mova  [rsp+mmsize*2], m10
+    mova  [rsp+mmsize*3], m11
+    mova  [rsp+mmsize*4], m12
+%endif
+
+align 16
+.loop:
+
+%assign i 0
+%rep %4
+    mova              m1, [srcq + i]
+    movu              m2, [srcq+a_strideq + i]
+    movu              m3, [srcq+b_strideq + i]
+    PMINUW            m4, m1, m2, m6
+    PMINUW            m5, m1, m3, m7
+    pcmpeqw           m2, m4
+    pcmpeqw           m3, m5
+    pcmpeqw           m4, m1
+    pcmpeqw           m5, m1
+    psubw             m4, m2
+    psubw             m5, m3
+
+    paddw             m4, m5
+    pcmpeqw           m2, m4, [pw_m2]
+%if ARCH_X86_64
+    pcmpeqw           m3, m4, m13
+    pcmpeqw           m5, m4, m0
+    pcmpeqw           m6, m4, m14
+    pcmpeqw           m7, m4, m15
+    pand              m2, m8
+    pand              m3, m9
+    pand              m5, m10
+    pand              m6, m11
+    pand              m7, m12
+%else
+    pcmpeqw           m3, m4, [pw_m1]
+    pcmpeqw           m5, m4, m0
+    pcmpeqw           m6, m4, [pw_1]
+    pcmpeqw           m7, m4, [pw_2]
+    pand              m2, [rsp+mmsize*0]
+    pand              m3, [rsp+mmsize*1]
+    pand              m5, [rsp+mmsize*2]
+    pand              m6, [rsp+mmsize*3]
+    pand              m7, [rsp+mmsize*4]
+%endif
+    paddw             m2, m3
+    paddw             m5, m6
+    paddw             m2, m7
+    paddw             m2, m1
+    paddw             m2, m5
+    CLIPW             m2, m0, [pw_mask %+ %2]
+    mova      [dstq + i], m2
+%assign i i+mmsize
+%endrep
+
+    add             dstq, dststrideq
+    add             srcq, EDGE_SRCSTRIDE
+    dec          heightd
+    jg .loop
+    RET
+%endmacro
diff --git a/libavcodec/x86/hevc/sao.asm b/libavcodec/x86/hevc/sao.asm
index 8abb16150d..c4f6db4cd5 100644
--- a/libavcodec/x86/hevc/sao.asm
+++ b/libavcodec/x86/hevc/sao.asm
@@ -21,155 +21,13 @@
 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************
 
-%include "libavutil/x86/x86util.asm"
-
-SECTION_RODATA 32
-
-pb_edge_shuffle: times 2 db 1, 2, 0, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
-1, -1
-pb_eo:                   db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 
1
-cextern pb_1
-cextern pb_2
-
-SECTION .text
-
-;******************************************************************************
-;SAO Band Filter
-;******************************************************************************
-
-%macro HEVC_SAO_BAND_FILTER_INIT 0
-    and            leftq, 31
-    movd             xm0, leftd
-    add            leftq, 1
-    and            leftq, 31
-    movd             xm1, leftd
-    add            leftq, 1
-    and            leftq, 31
-    movd             xm2, leftd
-    add            leftq, 1
-    and            leftq, 31
-    movd             xm3, leftd
-
-    SPLATW            m0, xm0
-    SPLATW            m1, xm1
-    SPLATW            m2, xm2
-    SPLATW            m3, xm3
-%if mmsize > 16
-    SPLATW            m4, [offsetq + 2]
-    SPLATW            m5, [offsetq + 4]
-    SPLATW            m6, [offsetq + 6]
-    SPLATW            m7, [offsetq + 8]
-%else
-    movq              m7, [offsetq + 2]
-    SPLATW            m4, m7, 0
-    SPLATW            m5, m7, 1
-    SPLATW            m6, m7, 2
-    SPLATW            m7, m7, 3
-%endif
-
-%if ARCH_X86_64
-    pxor             m14, m14
-
-%else ; ARCH_X86_32
-    mova  [rsp+mmsize*0], m0
-    mova  [rsp+mmsize*1], m1
-    mova  [rsp+mmsize*2], m2
-    mova  [rsp+mmsize*3], m3
-    mova  [rsp+mmsize*4], m4
-    mova  [rsp+mmsize*5], m5
-    mova  [rsp+mmsize*6], m6
-    pxor              m0, m0
-    %assign MMSIZE mmsize
-    %define m14 m0
-    %define m13 m1
-    %define  m9 m2
-    %define  m8 m3
-%endif ; ARCH
-DEFINE_ARGS dst, src, dststride, srcstride, offset, height
-    mov          heightd, r7m
-%endmacro
-
-%macro HEVC_SAO_BAND_FILTER_COMPUTE 2
-    psraw             %1, %2, 3
-%if ARCH_X86_64
-    pcmpeqw          m10, %1, m0
-    pcmpeqw          m11, %1, m1
-    pcmpeqw          m12, %1, m2
-    pcmpeqw           %1, m3
-    pand             m10, m4
-    pand             m11, m5
-    pand             m12, m6
-    pand              %1, m7
-    por              m10, m11
-    por              m12, %1
-    por              m10, m12
-    paddw             %2, m10
-%else ; ARCH_X86_32
-    pcmpeqw           m4, %1, [rsp+MMSIZE*0]
-    pcmpeqw           m5, %1, [rsp+MMSIZE*1]
-    pcmpeqw           m6, %1, [rsp+MMSIZE*2]
-    pcmpeqw           %1, [rsp+MMSIZE*3]
-    pand              m4, [rsp+MMSIZE*4]
-    pand              m5, [rsp+MMSIZE*5]
-    pand              m6, [rsp+MMSIZE*6]
-    pand              %1, m7
-    por               m4, m5
-    por               m6, %1
-    por               m4, m6
-    paddw             %2, m4
-%endif ; ARCH
-%endmacro
+%define MAX_PB_SIZE  64
+%include "libavcodec/x86/h26x/h2656_sao.asm"
 
-;void ff_hevc_sao_band_filter_<width>_8_<opt>(uint8_t *_dst, const uint8_t 
*_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
-;                                             int16_t *sao_offset_val, int 
sao_left_class, int width, int height);
 %macro HEVC_SAO_BAND_FILTER 2
-cglobal hevc_sao_band_filter_%1_8, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, 
dststride, srcstride, offset, left
-    HEVC_SAO_BAND_FILTER_INIT
-
-align 16
-.loop:
-%if %1 == 8
-    movq              m8, [srcq]
-    punpcklbw         m8, m14
-    HEVC_SAO_BAND_FILTER_COMPUTE m9, m8
-    packuswb          m8, m14
-    movq          [dstq], m8
-%endif ; %1 == 8
-
-%assign i 0
-%rep %2
-    mova             m13, [srcq + i]
-    punpcklbw         m8, m13, m14
-    HEVC_SAO_BAND_FILTER_COMPUTE m9,  m8
-    punpckhbw        m13, m14
-    HEVC_SAO_BAND_FILTER_COMPUTE m9, m13
-    packuswb          m8, m13
-    mova      [dstq + i], m8
-%assign i i+mmsize
-%endrep
-
-%if %1 == 48
-INIT_XMM cpuname
-
-    mova             m13, [srcq + i]
-    punpcklbw         m8, m13, m14
-    HEVC_SAO_BAND_FILTER_COMPUTE m9,  m8
-    punpckhbw        m13, m14
-    HEVC_SAO_BAND_FILTER_COMPUTE m9, m13
-    packuswb          m8, m13
-    mova      [dstq + i], m8
-%if cpuflag(avx2)
-INIT_YMM cpuname
-%endif
-%endif ; %1 == 48
-
-    add             dstq, dststrideq             ; dst += dststride
-    add             srcq, srcstrideq             ; src += srcstride
-    dec          heightd                         ; cmp height
-    jnz               .loop                      ; height loop
-    RET
+    H2656_SAO_BAND_FILTER hevc, %1, %2
 %endmacro
 
-
 %macro HEVC_SAO_BAND_FILTER_FUNCS 0
 HEVC_SAO_BAND_FILTER  8, 0
 HEVC_SAO_BAND_FILTER 16, 1
@@ -193,136 +51,8 @@ HEVC_SAO_BAND_FILTER 48, 1
 HEVC_SAO_BAND_FILTER 64, 2
 %endif
 
-;******************************************************************************
-;SAO Edge Filter
-;******************************************************************************
-
-%define MAX_PB_SIZE  64
-%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
-%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
-
-%macro HEVC_SAO_EDGE_FILTER_INIT 0
-%if WIN64
-    movsxd           eoq, dword eom
-%elif ARCH_X86_64
-    movsxd           eoq, eod
-%else
-    mov              eoq, r4m
-%endif
-    lea            tmp2q, [pb_eo]
-    movsx      a_strideq, byte [tmp2q+eoq*4+1]
-    movsx      b_strideq, byte [tmp2q+eoq*4+3]
-    imul       a_strideq, EDGE_SRCSTRIDE
-    imul       b_strideq, EDGE_SRCSTRIDE
-    movsx           tmpq, byte [tmp2q+eoq*4]
-    add        a_strideq, tmpq
-    movsx           tmpq, byte [tmp2q+eoq*4+2]
-    add        b_strideq, tmpq
-%endmacro
-
-%macro HEVC_SAO_EDGE_FILTER_COMPUTE 1
-    pminub            m4, m1, m2
-    pminub            m5, m1, m3
-    pcmpeqb           m2, m4
-    pcmpeqb           m3, m5
-    pcmpeqb           m4, m1
-    pcmpeqb           m5, m1
-    psubb             m4, m2
-    psubb             m5, m3
-    paddb             m4, m6
-    paddb             m4, m5
-
-    pshufb            m2, m0, m4
-%if %1 > 8
-    punpckhbw         m5, m7, m1
-    punpckhbw         m4, m2, m7
-    punpcklbw         m3, m7, m1
-    punpcklbw         m2, m7
-    pmaddubsw         m5, m4
-    pmaddubsw         m3, m2
-    packuswb          m3, m5
-%else
-    punpcklbw         m3, m7, m1
-    punpcklbw         m2, m7
-    pmaddubsw         m3, m2
-    packuswb          m3, m3
-%endif
-%endmacro
-
-;void ff_hevc_sao_edge_filter_<width>_8_<opt>(uint8_t *_dst, uint8_t *_src, 
ptrdiff_t stride_dst, int16_t *sao_offset_val,
-;                                             int eo, int width, int height);
 %macro HEVC_SAO_EDGE_FILTER 2-3
-%if ARCH_X86_64
-cglobal hevc_sao_edge_filter_%1_8, 4, 9, 8, dst, src, dststride, offset, eo, 
a_stride, b_stride, height, tmp
-%define tmp2q heightq
-    HEVC_SAO_EDGE_FILTER_INIT
-    mov          heightd, r6m
-
-%else ; ARCH_X86_32
-cglobal hevc_sao_edge_filter_%1_8, 1, 6, 8, dst, src, dststride, a_stride, 
b_stride, height
-%define eoq   srcq
-%define tmpq  heightq
-%define tmp2q dststrideq
-%define offsetq heightq
-    HEVC_SAO_EDGE_FILTER_INIT
-    mov             srcq, srcm
-    mov          offsetq, r3m
-    mov       dststrideq, dststridem
-%endif ; ARCH
-
-%if mmsize > 16
-    vbroadcasti128    m0, [offsetq]
-%else
-    movu              m0, [offsetq]
-%endif
-    mova              m1, [pb_edge_shuffle]
-    packsswb          m0, m0
-    mova              m7, [pb_1]
-    pshufb            m0, m1
-    mova              m6, [pb_2]
-%if ARCH_X86_32
-    mov          heightd, r6m
-%endif
-
-align 16
-.loop:
-
-%if %1 == 8
-    movq              m1, [srcq]
-    movq              m2, [srcq + a_strideq]
-    movq              m3, [srcq + b_strideq]
-    HEVC_SAO_EDGE_FILTER_COMPUTE %1
-    movq          [dstq], m3
-%endif
-
-%assign i 0
-%rep %2
-    mova              m1, [srcq + i]
-    movu              m2, [srcq + a_strideq + i]
-    movu              m3, [srcq + b_strideq + i]
-    HEVC_SAO_EDGE_FILTER_COMPUTE %1
-    mov%3     [dstq + i], m3
-%assign i i+mmsize
-%endrep
-
-%if %1 == 48
-INIT_XMM cpuname
-
-    mova              m1, [srcq + i]
-    movu              m2, [srcq + a_strideq + i]
-    movu              m3, [srcq + b_strideq + i]
-    HEVC_SAO_EDGE_FILTER_COMPUTE %1
-    mova      [dstq + i], m3
-%if cpuflag(avx2)
-INIT_YMM cpuname
-%endif
-%endif
-
-    add             dstq, dststrideq
-    add             srcq, EDGE_SRCSTRIDE
-    dec          heightd
-    jg .loop
-    RET
+    H2656_SAO_EDGE_FILTER hevc, %{1:-1}
 %endmacro
 
 INIT_XMM ssse3
diff --git a/libavcodec/x86/hevc/sao_10bit.asm 
b/libavcodec/x86/hevc/sao_10bit.asm
index 0daa9c645c..eeb2b2fe59 100644
--- a/libavcodec/x86/hevc/sao_10bit.asm
+++ b/libavcodec/x86/hevc/sao_10bit.asm
@@ -21,131 +21,11 @@
 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ;******************************************************************************
 
-%include "libavutil/x86/x86util.asm"
-
-SECTION_RODATA 32
-
-pw_m2:     times 16 dw -2
-pw_mask10: times 16 dw 0x03FF
-pw_mask12: times 16 dw 0x0FFF
-pb_eo:              db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 1
-cextern pw_m1
-cextern pw_1
-cextern pw_2
-
-SECTION .text
-
-;******************************************************************************
-;SAO Band Filter
-;******************************************************************************
-
-%macro HEVC_SAO_BAND_FILTER_INIT 1
-    and            leftq, 31
-    movd             xm0, leftd
-    add            leftq, 1
-    and            leftq, 31
-    movd             xm1, leftd
-    add            leftq, 1
-    and            leftq, 31
-    movd             xm2, leftd
-    add            leftq, 1
-    and            leftq, 31
-    movd             xm3, leftd
-
-    SPLATW            m0, xm0
-    SPLATW            m1, xm1
-    SPLATW            m2, xm2
-    SPLATW            m3, xm3
-%if mmsize > 16
-    SPLATW            m4, [offsetq + 2]
-    SPLATW            m5, [offsetq + 4]
-    SPLATW            m6, [offsetq + 6]
-    SPLATW            m7, [offsetq + 8]
-%else
-    movq              m7, [offsetq + 2]
-    SPLATW            m4, m7, 0
-    SPLATW            m5, m7, 1
-    SPLATW            m6, m7, 2
-    SPLATW            m7, m7, 3
-%endif
-
-%if ARCH_X86_64
-    mova             m13, [pw_mask %+ %1]
-    pxor             m14, m14
-
-%else ; ARCH_X86_32
-    mova  [rsp+mmsize*0], m0
-    mova  [rsp+mmsize*1], m1
-    mova  [rsp+mmsize*2], m2
-    mova  [rsp+mmsize*3], m3
-    mova  [rsp+mmsize*4], m4
-    mova  [rsp+mmsize*5], m5
-    mova  [rsp+mmsize*6], m6
-    mova              m1, [pw_mask %+ %1]
-    pxor              m0, m0
-    %define m14 m0
-    %define m13 m1
-    %define  m9 m2
-    %define  m8 m3
-%endif ; ARCH
-DEFINE_ARGS dst, src, dststride, srcstride, offset, height
-    mov          heightd, r7m
-%endmacro
+%define MAX_PB_SIZE  64
+%include "libavcodec/x86/h26x/h2656_sao_10bit.asm"
 
-;void ff_hevc_sao_band_filter_<width>_<depth>_<opt>(uint8_t *_dst, const 
uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
-;                                                   int16_t *sao_offset_val, 
int sao_left_class, int width, int height);
 %macro HEVC_SAO_BAND_FILTER 3
-cglobal hevc_sao_band_filter_%2_%1, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, 
dststride, srcstride, offset, left
-    HEVC_SAO_BAND_FILTER_INIT %1
-
-align 16
-.loop:
-
-%assign i 0
-%assign j 0
-%rep %3
-%assign k 8+(j&1)
-%assign l 9-(j&1)
-    mova          m %+ k, [srcq + i]
-    psraw         m %+ l, m %+ k, %1-5
-%if ARCH_X86_64
-    pcmpeqw          m10, m %+ l, m0
-    pcmpeqw          m11, m %+ l, m1
-    pcmpeqw          m12, m %+ l, m2
-    pcmpeqw       m %+ l, m3
-    pand             m10, m4
-    pand             m11, m5
-    pand             m12, m6
-    pand          m %+ l, m7
-    por              m10, m11
-    por              m12, m %+ l
-    por              m10, m12
-    paddw         m %+ k, m10
-%else ; ARCH_X86_32
-    pcmpeqw           m4, m %+ l, [rsp+mmsize*0]
-    pcmpeqw           m5, m %+ l, [rsp+mmsize*1]
-    pcmpeqw           m6, m %+ l, [rsp+mmsize*2]
-    pcmpeqw       m %+ l, [rsp+mmsize*3]
-    pand              m4, [rsp+mmsize*4]
-    pand              m5, [rsp+mmsize*5]
-    pand              m6, [rsp+mmsize*6]
-    pand          m %+ l, m7
-    por               m4, m5
-    por               m6, m %+ l
-    por               m4, m6
-    paddw         m %+ k, m4
-%endif ; ARCH
-    CLIPW             m %+ k, m14, m13
-    mova      [dstq + i], m %+ k
-%assign i i+mmsize
-%assign j j+1
-%endrep
-
-    add             dstq, dststrideq
-    add             srcq, srcstrideq
-    dec          heightd
-    jg .loop
-    RET
+    H2656_SAO_BAND_FILTER hevc, %1, %2, %3
 %endmacro
 
 %macro HEVC_SAO_BAND_FILTER_FUNCS 0
@@ -185,157 +65,8 @@ HEVC_SAO_BAND_FILTER 12, 48, 3
 HEVC_SAO_BAND_FILTER 12, 64, 4
 %endif
 
-;******************************************************************************
-;SAO Edge Filter
-;******************************************************************************
-
-%define MAX_PB_SIZE  64
-%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
-%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
-
-%macro PMINUW 4
-%if cpuflag(sse4)
-    pminuw            %1, %2, %3
-%else
-    psubusw           %4, %2, %3
-    psubw             %1, %2, %4
-%endif
-%endmacro
-
-%macro HEVC_SAO_EDGE_FILTER_INIT 0
-%if WIN64
-    movsxd           eoq, dword eom
-%elif ARCH_X86_64
-    movsxd           eoq, eod
-%else
-    mov              eoq, r4m
-%endif
-    lea            tmp2q, [pb_eo]
-    movsx      a_strideq, byte [tmp2q+eoq*4+1]
-    movsx      b_strideq, byte [tmp2q+eoq*4+3]
-    imul       a_strideq, EDGE_SRCSTRIDE >> 1
-    imul       b_strideq, EDGE_SRCSTRIDE >> 1
-    movsx           tmpq, byte [tmp2q+eoq*4]
-    add        a_strideq, tmpq
-    movsx           tmpq, byte [tmp2q+eoq*4+2]
-    add        b_strideq, tmpq
-%endmacro
-
-;void ff_hevc_sao_edge_filter_<width>_<depth>_<opt>(uint8_t *_dst, uint8_t 
*_src, ptrdiff_t stride_dst, int16_t *sao_offset_val,
-;                                                   int eo, int width, int 
height);
 %macro HEVC_SAO_EDGE_FILTER 3
-%if ARCH_X86_64
-cglobal hevc_sao_edge_filter_%2_%1, 4, 9, 16, dst, src, dststride, offset, eo, 
a_stride, b_stride, height, tmp
-%define tmp2q heightq
-    HEVC_SAO_EDGE_FILTER_INIT
-    mov          heightd, r6m
-    add        a_strideq, a_strideq
-    add        b_strideq, b_strideq
-
-%else ; ARCH_X86_32
-cglobal hevc_sao_edge_filter_%2_%1, 1, 6, 8, 5*mmsize, dst, src, dststride, 
a_stride, b_stride, height
-%define eoq   srcq
-%define tmpq  heightq
-%define tmp2q dststrideq
-%define offsetq heightq
-%define m8 m1
-%define m9 m2
-%define m10 m3
-%define m11 m4
-%define m12 m5
-    HEVC_SAO_EDGE_FILTER_INIT
-    mov             srcq, srcm
-    mov          offsetq, r3m
-    mov       dststrideq, dststridem
-    add        a_strideq, a_strideq
-    add        b_strideq, b_strideq
-
-%endif ; ARCH
-
-%if mmsize > 16
-    SPLATW            m8, [offsetq+2]
-    SPLATW            m9, [offsetq+4]
-    SPLATW           m10, [offsetq+0]
-    SPLATW           m11, [offsetq+6]
-    SPLATW           m12, [offsetq+8]
-%else
-    movq             m10, [offsetq+0]
-    movd             m12, [offsetq+6]
-    SPLATW            m8, xm10, 1
-    SPLATW            m9, xm10, 2
-    SPLATW           m10, xm10, 0
-    SPLATW           m11, xm12, 0
-    SPLATW           m12, xm12, 1
-%endif
-    pxor              m0, m0
-%if ARCH_X86_64
-    mova             m13, [pw_m1]
-    mova             m14, [pw_1]
-    mova             m15, [pw_2]
-%else
-    mov          heightd, r6m
-    mova  [rsp+mmsize*0], m8
-    mova  [rsp+mmsize*1], m9
-    mova  [rsp+mmsize*2], m10
-    mova  [rsp+mmsize*3], m11
-    mova  [rsp+mmsize*4], m12
-%endif
-
-align 16
-.loop:
-
-%assign i 0
-%rep %3
-    mova              m1, [srcq + i]
-    movu              m2, [srcq+a_strideq + i]
-    movu              m3, [srcq+b_strideq + i]
-    PMINUW            m4, m1, m2, m6
-    PMINUW            m5, m1, m3, m7
-    pcmpeqw           m2, m4
-    pcmpeqw           m3, m5
-    pcmpeqw           m4, m1
-    pcmpeqw           m5, m1
-    psubw             m4, m2
-    psubw             m5, m3
-
-    paddw             m4, m5
-    pcmpeqw           m2, m4, [pw_m2]
-%if ARCH_X86_64
-    pcmpeqw           m3, m4, m13
-    pcmpeqw           m5, m4, m0
-    pcmpeqw           m6, m4, m14
-    pcmpeqw           m7, m4, m15
-    pand              m2, m8
-    pand              m3, m9
-    pand              m5, m10
-    pand              m6, m11
-    pand              m7, m12
-%else
-    pcmpeqw           m3, m4, [pw_m1]
-    pcmpeqw           m5, m4, m0
-    pcmpeqw           m6, m4, [pw_1]
-    pcmpeqw           m7, m4, [pw_2]
-    pand              m2, [rsp+mmsize*0]
-    pand              m3, [rsp+mmsize*1]
-    pand              m5, [rsp+mmsize*2]
-    pand              m6, [rsp+mmsize*3]
-    pand              m7, [rsp+mmsize*4]
-%endif
-    paddw             m2, m3
-    paddw             m5, m6
-    paddw             m2, m7
-    paddw             m2, m1
-    paddw             m2, m5
-    CLIPW             m2, m0, [pw_mask %+ %1]
-    mova      [dstq + i], m2
-%assign i i+mmsize
-%endrep
-
-    add             dstq, dststrideq
-    add             srcq, EDGE_SRCSTRIDE
-    dec          heightd
-    jg .loop
-    RET
+    H2656_SAO_EDGE_FILTER hevc, %1, %2, %3
 %endmacro
 
 INIT_XMM sse2
-- 
2.34.1

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