2018-03-24 21:16:11 +02:00
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;******************************************************************************
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;* Copyright Nick Kurshev
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;* Copyright Michael (michaelni@gmx.at)
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;* Copyright 2018 Jokyo Images
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2018-10-13 19:52:06 +02:00
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;* Copyright Ivo van Poorten
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2018-03-24 21:16:11 +02:00
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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
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2018-10-11 21:35:05 +02:00
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pb_mask_shuffle2103_mmx times 8 dw 255
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2018-03-24 21:16:11 +02:00
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pb_shuffle2103: db 2, 1, 0, 3, 6, 5, 4, 7, 10, 9, 8, 11, 14, 13, 12, 15
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pb_shuffle0321: db 0, 3, 2, 1, 4, 7, 6, 5, 8, 11, 10, 9, 12, 15, 14, 13
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2018-03-24 21:18:05 +02:00
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pb_shuffle1230: db 1, 2, 3, 0, 5, 6, 7, 4, 9, 10, 11, 8, 13, 14, 15, 12
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pb_shuffle3012: db 3, 0, 1, 2, 7, 4, 5, 6, 11, 8, 9, 10, 15, 12, 13, 14
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pb_shuffle3210: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
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2018-03-24 21:16:11 +02:00
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SECTION .text
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2018-04-22 19:14:23 +02:00
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%macro RSHIFT_COPY 3
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; %1 dst ; %2 src ; %3 shift
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%if cpuflag(avx)
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psrldq %1, %2, %3
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%else
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mova %1, %2
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RSHIFT %1, %3
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%endif
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%endmacro
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2018-10-11 21:35:05 +02:00
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;------------------------------------------------------------------------------
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; shuffle_bytes_2103_mmext (const uint8_t *src, uint8_t *dst, int src_size)
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;------------------------------------------------------------------------------
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INIT_MMX mmxext
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cglobal shuffle_bytes_2103, 3, 5, 8, src, dst, w, tmp, x
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mova m6, [pb_mask_shuffle2103_mmx]
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mova m7, m6
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psllq m7, 8
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movsxdifnidn wq, wd
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mov xq, wq
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add srcq, wq
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add dstq, wq
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neg wq
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;calc scalar loop
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and xq, mmsize*2 -4
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je .loop_simd
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.loop_scalar:
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mov tmpb, [srcq + wq + 2]
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mov [dstq+wq + 0], tmpb
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mov tmpb, [srcq + wq + 1]
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mov [dstq+wq + 1], tmpb
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mov tmpb, [srcq + wq + 0]
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mov [dstq+wq + 2], tmpb
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mov tmpb, [srcq + wq + 3]
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mov [dstq+wq + 3], tmpb
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add wq, 4
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sub xq, 4
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jg .loop_scalar
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;check if src_size < mmsize * 2
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cmp wq, 0
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jge .end
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.loop_simd:
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movu m0, [srcq+wq]
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movu m1, [srcq+wq+8]
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pshufw m3, m0, 177
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pshufw m5, m1, 177
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pand m0, m7
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pand m3, m6
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pand m1, m7
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pand m5, m6
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por m0, m3
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por m1, m5
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movu [dstq+wq], m0
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movu [dstq+wq + 8], m1
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add wq, mmsize*2
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jl .loop_simd
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.end:
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RET
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2018-03-24 21:16:11 +02:00
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;------------------------------------------------------------------------------
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; shuffle_bytes_## (const uint8_t *src, uint8_t *dst, int src_size)
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;------------------------------------------------------------------------------
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; %1-4 index shuffle
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%macro SHUFFLE_BYTES 4
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cglobal shuffle_bytes_%1%2%3%4, 3, 5, 2, src, dst, w, tmp, x
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VBROADCASTI128 m0, [pb_shuffle%1%2%3%4]
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movsxdifnidn wq, wd
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mov xq, wq
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add srcq, wq
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add dstq, wq
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neg wq
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;calc scalar loop
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and xq, mmsize-4
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je .loop_simd
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.loop_scalar:
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mov tmpb, [srcq + wq + %1]
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mov [dstq+wq + 0], tmpb
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mov tmpb, [srcq + wq + %2]
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mov [dstq+wq + 1], tmpb
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mov tmpb, [srcq + wq + %3]
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mov [dstq+wq + 2], tmpb
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mov tmpb, [srcq + wq + %4]
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mov [dstq+wq + 3], tmpb
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add wq, 4
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sub xq, 4
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jg .loop_scalar
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;check if src_size < mmsize
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cmp wq, 0
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jge .end
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.loop_simd:
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movu m1, [srcq+wq]
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pshufb m1, m0
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movu [dstq+wq], m1
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add wq, mmsize
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jl .loop_simd
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.end:
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RET
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%endmacro
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INIT_XMM ssse3
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SHUFFLE_BYTES 2, 1, 0, 3
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SHUFFLE_BYTES 0, 3, 2, 1
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2018-03-24 21:18:05 +02:00
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SHUFFLE_BYTES 1, 2, 3, 0
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SHUFFLE_BYTES 3, 0, 1, 2
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SHUFFLE_BYTES 3, 2, 1, 0
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2018-04-22 19:14:23 +02:00
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;-----------------------------------------------------------------------------------------------
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; uyvytoyuv422(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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; const uint8_t *src, int width, int height,
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; int lumStride, int chromStride, int srcStride)
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;-----------------------------------------------------------------------------------------------
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%macro UYVY_TO_YUV422 0
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cglobal uyvytoyuv422, 9, 14, 8, ydst, udst, vdst, src, w, h, lum_stride, chrom_stride, src_stride, wtwo, whalf, tmp, x, back_w
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pxor m0, m0
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pcmpeqw m1, m1
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psrlw m1, 8
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movsxdifnidn wq, wd
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movsxdifnidn lum_strideq, lum_strided
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movsxdifnidn chrom_strideq, chrom_strided
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movsxdifnidn src_strideq, src_strided
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mov back_wq, wq
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mov whalfq, wq
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shr whalfq, 1 ; whalf = width / 2
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lea srcq, [srcq + wq * 2]
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add ydstq, wq
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add udstq, whalfq
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add vdstq, whalfq
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.loop_line:
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mov xq, wq
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mov wtwoq, wq
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add wtwoq, wtwoq ; wtwo = width * 2
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neg wq
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neg wtwoq
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neg whalfq
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;calc scalar loop count
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and xq, mmsize * 2 - 1
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je .loop_simd
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.loop_scalar:
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mov tmpb, [srcq + wtwoq + 0]
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mov [udstq + whalfq], tmpb
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mov tmpb, [srcq + wtwoq + 1]
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mov [ydstq + wq], tmpb
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mov tmpb, [srcq + wtwoq + 2]
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mov [vdstq + whalfq], tmpb
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mov tmpb, [srcq + wtwoq + 3]
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mov [ydstq + wq + 1], tmpb
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add wq, 2
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add wtwoq, 4
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add whalfq, 1
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sub xq, 2
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jg .loop_scalar
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; check if simd loop is need
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cmp wq, 0
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jge .end_line
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.loop_simd:
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movu m2, [srcq + wtwoq ]
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movu m3, [srcq + wtwoq + mmsize ]
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movu m4, [srcq + wtwoq + mmsize * 2]
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movu m5, [srcq + wtwoq + mmsize * 3]
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; extract y part 1
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RSHIFT_COPY m6, m2, 1 ; UYVY UYVY -> YVYU YVY...
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pand m6, m1; YxYx YxYx...
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RSHIFT_COPY m7, m3, 1 ; UYVY UYVY -> YVYU YVY...
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pand m7, m1 ; YxYx YxYx...
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packuswb m6, m7 ; YYYY YYYY...
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movu [ydstq + wq], m6
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; extract y part 2
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RSHIFT_COPY m6, m4, 1 ; UYVY UYVY -> YVYU YVY...
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pand m6, m1; YxYx YxYx...
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RSHIFT_COPY m7, m5, 1 ; UYVY UYVY -> YVYU YVY...
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pand m7, m1 ; YxYx YxYx...
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packuswb m6, m7 ; YYYY YYYY...
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movu [ydstq + wq + mmsize], m6
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; extract uv
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pand m2, m1 ; UxVx...
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pand m3, m1 ; UxVx...
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pand m4, m1 ; UxVx...
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pand m5, m1 ; UxVx...
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packuswb m2, m3 ; UVUV...
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packuswb m4, m5 ; UVUV...
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; U
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pand m6, m2, m1 ; UxUx...
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pand m7, m4, m1 ; UxUx...
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packuswb m6, m7 ; UUUU
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movu [udstq + whalfq], m6
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; V
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psrlw m2, 8 ; VxVx...
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psrlw m4, 8 ; VxVx...
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packuswb m2, m4 ; VVVV
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movu [vdstq + whalfq], m2
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add whalfq, mmsize
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add wtwoq, mmsize * 4
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add wq, mmsize * 2
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jl .loop_simd
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.end_line:
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add srcq, src_strideq
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add ydstq, lum_strideq
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add udstq, chrom_strideq
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add vdstq, chrom_strideq
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;restore initial state of line variable
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mov wq, back_wq
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mov xq, wq
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mov whalfq, wq
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shr whalfq, 1 ; whalf = width / 2
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sub hd, 1
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jg .loop_line
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RET
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%endmacro
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%if ARCH_X86_64
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INIT_XMM sse2
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UYVY_TO_YUV422
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INIT_XMM avx
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UYVY_TO_YUV422
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%endif
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