mirror of
https://github.com/pineappleEA/pineapple-src.git
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341 lines
9.4 KiB
NASM
341 lines
9.4 KiB
NASM
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;******************************************************************************
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;* SIMD optimized SAO functions for HEVC 8bit decoding
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;*
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;* Copyright (c) 2013 Pierre-Edouard LEPERE
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;* Copyright (c) 2014 James Almer
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA 32
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pb_edge_shuffle: times 2 db 1, 2, 0, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
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pb_eo: db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 1
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cextern pb_1
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cextern pb_2
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SECTION .text
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;******************************************************************************
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;SAO Band Filter
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;******************************************************************************
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%macro HEVC_SAO_BAND_FILTER_INIT 0
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and leftq, 31
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movd xm0, leftd
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add leftq, 1
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and leftq, 31
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movd xm1, leftd
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add leftq, 1
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and leftq, 31
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movd xm2, leftd
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add leftq, 1
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and leftq, 31
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movd xm3, leftd
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SPLATW m0, xm0
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SPLATW m1, xm1
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SPLATW m2, xm2
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SPLATW m3, xm3
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%if mmsize > 16
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SPLATW m4, [offsetq + 2]
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SPLATW m5, [offsetq + 4]
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SPLATW m6, [offsetq + 6]
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SPLATW m7, [offsetq + 8]
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%else
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movq m7, [offsetq + 2]
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SPLATW m4, m7, 0
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SPLATW m5, m7, 1
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SPLATW m6, m7, 2
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SPLATW m7, m7, 3
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%endif
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%if ARCH_X86_64
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pxor m14, m14
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%else ; ARCH_X86_32
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mova [rsp+mmsize*0], m0
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mova [rsp+mmsize*1], m1
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mova [rsp+mmsize*2], m2
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mova [rsp+mmsize*3], m3
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mova [rsp+mmsize*4], m4
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mova [rsp+mmsize*5], m5
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mova [rsp+mmsize*6], m6
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pxor m0, m0
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%assign MMSIZE mmsize
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%define m14 m0
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%define m13 m1
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%define m9 m2
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%define m8 m3
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%endif ; ARCH
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DEFINE_ARGS dst, src, dststride, srcstride, offset, height
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mov heightd, r7m
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%endmacro
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%macro HEVC_SAO_BAND_FILTER_COMPUTE 2
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psraw %1, %2, 3
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%if ARCH_X86_64
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pcmpeqw m10, %1, m0
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pcmpeqw m11, %1, m1
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pcmpeqw m12, %1, m2
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pcmpeqw %1, m3
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pand m10, m4
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pand m11, m5
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pand m12, m6
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pand %1, m7
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por m10, m11
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por m12, %1
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por m10, m12
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paddw %2, m10
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%else ; ARCH_X86_32
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pcmpeqw m4, %1, [rsp+MMSIZE*0]
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pcmpeqw m5, %1, [rsp+MMSIZE*1]
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pcmpeqw m6, %1, [rsp+MMSIZE*2]
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pcmpeqw %1, [rsp+MMSIZE*3]
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pand m4, [rsp+MMSIZE*4]
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pand m5, [rsp+MMSIZE*5]
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pand m6, [rsp+MMSIZE*6]
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pand %1, m7
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por m4, m5
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por m6, %1
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por m4, m6
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paddw %2, m4
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%endif ; ARCH
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%endmacro
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;void ff_hevc_sao_band_filter_<width>_8_<opt>(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
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; int16_t *sao_offset_val, int sao_left_class, int width, int height);
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%macro HEVC_SAO_BAND_FILTER 2
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cglobal hevc_sao_band_filter_%1_8, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, dststride, srcstride, offset, left
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HEVC_SAO_BAND_FILTER_INIT
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align 16
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.loop:
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%if %1 == 8
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movq m8, [srcq]
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punpcklbw m8, m14
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HEVC_SAO_BAND_FILTER_COMPUTE m9, m8
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packuswb m8, m14
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movq [dstq], m8
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%endif ; %1 == 8
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%assign i 0
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%rep %2
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mova m13, [srcq + i]
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punpcklbw m8, m13, m14
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HEVC_SAO_BAND_FILTER_COMPUTE m9, m8
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punpckhbw m13, m14
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HEVC_SAO_BAND_FILTER_COMPUTE m9, m13
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packuswb m8, m13
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mova [dstq + i], m8
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%assign i i+mmsize
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%endrep
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%if %1 == 48
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INIT_XMM cpuname
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mova m13, [srcq + i]
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punpcklbw m8, m13, m14
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HEVC_SAO_BAND_FILTER_COMPUTE m9, m8
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punpckhbw m13, m14
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HEVC_SAO_BAND_FILTER_COMPUTE m9, m13
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packuswb m8, m13
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mova [dstq + i], m8
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%if cpuflag(avx2)
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INIT_YMM cpuname
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%endif
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%endif ; %1 == 48
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add dstq, dststrideq ; dst += dststride
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add srcq, srcstrideq ; src += srcstride
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dec heightd ; cmp height
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jnz .loop ; height loop
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REP_RET
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%endmacro
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%macro HEVC_SAO_BAND_FILTER_FUNCS 0
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HEVC_SAO_BAND_FILTER 8, 0
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HEVC_SAO_BAND_FILTER 16, 1
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HEVC_SAO_BAND_FILTER 32, 2
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HEVC_SAO_BAND_FILTER 48, 2
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HEVC_SAO_BAND_FILTER 64, 4
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%endmacro
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INIT_XMM sse2
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HEVC_SAO_BAND_FILTER_FUNCS
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INIT_XMM avx
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HEVC_SAO_BAND_FILTER_FUNCS
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%if HAVE_AVX2_EXTERNAL
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INIT_XMM avx2
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HEVC_SAO_BAND_FILTER 8, 0
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HEVC_SAO_BAND_FILTER 16, 1
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INIT_YMM avx2
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HEVC_SAO_BAND_FILTER 32, 1
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HEVC_SAO_BAND_FILTER 48, 1
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HEVC_SAO_BAND_FILTER 64, 2
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%endif
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;******************************************************************************
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;SAO Edge Filter
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;******************************************************************************
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%define MAX_PB_SIZE 64
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%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
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%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
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%macro HEVC_SAO_EDGE_FILTER_INIT 0
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%if WIN64
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movsxd eoq, dword eom
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%elif ARCH_X86_64
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movsxd eoq, eod
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%else
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mov eoq, r4m
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%endif
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lea tmp2q, [pb_eo]
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movsx a_strideq, byte [tmp2q+eoq*4+1]
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movsx b_strideq, byte [tmp2q+eoq*4+3]
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imul a_strideq, EDGE_SRCSTRIDE
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imul b_strideq, EDGE_SRCSTRIDE
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movsx tmpq, byte [tmp2q+eoq*4]
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add a_strideq, tmpq
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movsx tmpq, byte [tmp2q+eoq*4+2]
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add b_strideq, tmpq
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%endmacro
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%macro HEVC_SAO_EDGE_FILTER_COMPUTE 1
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pminub m4, m1, m2
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pminub m5, m1, m3
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pcmpeqb m2, m4
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pcmpeqb m3, m5
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pcmpeqb m4, m1
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pcmpeqb m5, m1
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psubb m4, m2
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psubb m5, m3
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paddb m4, m6
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paddb m4, m5
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pshufb m2, m0, m4
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%if %1 > 8
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punpckhbw m5, m7, m1
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punpckhbw m4, m2, m7
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punpcklbw m3, m7, m1
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punpcklbw m2, m7
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pmaddubsw m5, m4
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pmaddubsw m3, m2
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packuswb m3, m5
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%else
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punpcklbw m3, m7, m1
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punpcklbw m2, m7
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pmaddubsw m3, m2
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packuswb m3, m3
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%endif
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%endmacro
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;void ff_hevc_sao_edge_filter_<width>_8_<opt>(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val,
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; int eo, int width, int height);
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%macro HEVC_SAO_EDGE_FILTER 2-3
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%if ARCH_X86_64
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cglobal hevc_sao_edge_filter_%1_8, 4, 9, 8, dst, src, dststride, offset, eo, a_stride, b_stride, height, tmp
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%define tmp2q heightq
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HEVC_SAO_EDGE_FILTER_INIT
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mov heightd, r6m
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%else ; ARCH_X86_32
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cglobal hevc_sao_edge_filter_%1_8, 1, 6, 8, dst, src, dststride, a_stride, b_stride, height
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%define eoq srcq
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%define tmpq heightq
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%define tmp2q dststrideq
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%define offsetq heightq
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HEVC_SAO_EDGE_FILTER_INIT
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mov srcq, srcm
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mov offsetq, r3m
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mov dststrideq, dststridem
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%endif ; ARCH
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%if mmsize > 16
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vbroadcasti128 m0, [offsetq]
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%else
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movu m0, [offsetq]
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%endif
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mova m1, [pb_edge_shuffle]
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packsswb m0, m0
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mova m7, [pb_1]
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pshufb m0, m1
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mova m6, [pb_2]
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%if ARCH_X86_32
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mov heightd, r6m
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%endif
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align 16
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.loop:
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%if %1 == 8
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movq m1, [srcq]
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movq m2, [srcq + a_strideq]
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movq m3, [srcq + b_strideq]
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HEVC_SAO_EDGE_FILTER_COMPUTE %1
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movq [dstq], m3
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%endif
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%assign i 0
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%rep %2
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mova m1, [srcq + i]
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movu m2, [srcq + a_strideq + i]
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movu m3, [srcq + b_strideq + i]
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HEVC_SAO_EDGE_FILTER_COMPUTE %1
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mov%3 [dstq + i], m3
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%assign i i+mmsize
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%endrep
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%if %1 == 48
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INIT_XMM cpuname
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mova m1, [srcq + i]
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movu m2, [srcq + a_strideq + i]
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movu m3, [srcq + b_strideq + i]
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HEVC_SAO_EDGE_FILTER_COMPUTE %1
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mova [dstq + i], m3
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%if cpuflag(avx2)
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INIT_YMM cpuname
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%endif
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%endif
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add dstq, dststrideq
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add srcq, EDGE_SRCSTRIDE
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dec heightd
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jg .loop
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RET
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%endmacro
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INIT_XMM ssse3
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HEVC_SAO_EDGE_FILTER 8, 0
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HEVC_SAO_EDGE_FILTER 16, 1, a
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HEVC_SAO_EDGE_FILTER 32, 2, a
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HEVC_SAO_EDGE_FILTER 48, 2, a
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HEVC_SAO_EDGE_FILTER 64, 4, a
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%if HAVE_AVX2_EXTERNAL
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INIT_YMM avx2
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HEVC_SAO_EDGE_FILTER 32, 1, a
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HEVC_SAO_EDGE_FILTER 48, 1, u
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HEVC_SAO_EDGE_FILTER 64, 2, a
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%endif
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