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403 lines
14 KiB
403 lines
14 KiB
11 years ago
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/*
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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* Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net>
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*
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11 years ago
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* This file is part of FFmpeg.
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11 years ago
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*
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11 years ago
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* FFmpeg is free software; you can redistribute it and/or
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11 years ago
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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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11 years ago
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* FFmpeg is distributed in the hope that it will be useful,
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11 years ago
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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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11 years ago
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* License along with FFmpeg; if not, write to the Free Software
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11 years ago
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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/aarch64/asm.S"
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/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
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.macro h264_chroma_mc8 type, codec=h264
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function ff_\type\()_\codec\()_chroma_mc8_neon, export=1
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sxtw x2, w2
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.ifc \type,avg
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mov x8, x0
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.endif
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prfm pldl1strm, [x1]
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prfm pldl1strm, [x1, x2]
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.ifc \codec,rv40
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movrel x6, rv40bias
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lsr w9, w5, #1
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lsr w10, w4, #1
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lsl w9, w9, #3
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lsl w10, w10, #1
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add w9, w9, w10
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add x6, x6, w9, UXTW
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ld1r {v22.8H}, [x6]
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.endif
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.ifc \codec,vc1
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movi v22.8H, #28
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.endif
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mul w7, w4, w5
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lsl w14, w5, #3
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lsl w13, w4, #3
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cmp w7, #0
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sub w6, w14, w7
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sub w12, w13, w7
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sub w4, w7, w13
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sub w4, w4, w14
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add w4, w4, #64
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b.eq 2f
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dup v0.8B, w4
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dup v1.8B, w12
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ld1 {v4.8B, v5.8B}, [x1], x2
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dup v2.8B, w6
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dup v3.8B, w7
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ext v5.8B, v4.8B, v5.8B, #1
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1: ld1 {v6.8B, v7.8B}, [x1], x2
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umull v16.8H, v4.8B, v0.8B
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umlal v16.8H, v5.8B, v1.8B
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ext v7.8B, v6.8B, v7.8B, #1
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ld1 {v4.8B, v5.8B}, [x1], x2
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umlal v16.8H, v6.8B, v2.8B
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prfm pldl1strm, [x1]
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ext v5.8B, v4.8B, v5.8B, #1
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umlal v16.8H, v7.8B, v3.8B
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umull v17.8H, v6.8B, v0.8B
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subs w3, w3, #2
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umlal v17.8H, v7.8B, v1.8B
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umlal v17.8H, v4.8B, v2.8B
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umlal v17.8H, v5.8B, v3.8B
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prfm pldl1strm, [x1, x2]
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.ifc \codec,h264
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rshrn v16.8B, v16.8H, #6
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rshrn v17.8B, v17.8H, #6
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.else
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add v16.8H, v16.8H, v22.8H
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add v17.8H, v17.8H, v22.8H
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shrn v16.8B, v16.8H, #6
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shrn v17.8B, v17.8H, #6
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.endif
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.ifc \type,avg
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ld1 {v20.8B}, [x8], x2
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ld1 {v21.8B}, [x8], x2
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urhadd v16.8B, v16.8B, v20.8B
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urhadd v17.8B, v17.8B, v21.8B
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.endif
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st1 {v16.8B}, [x0], x2
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st1 {v17.8B}, [x0], x2
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b.gt 1b
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ret
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2: tst w6, w6
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add w12, w12, w6
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dup v0.8B, w4
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dup v1.8B, w12
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b.eq 4f
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ld1 {v4.8B}, [x1], x2
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3: ld1 {v6.8B}, [x1], x2
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umull v16.8H, v4.8B, v0.8B
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umlal v16.8H, v6.8B, v1.8B
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ld1 {v4.8B}, [x1], x2
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umull v17.8H, v6.8B, v0.8B
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umlal v17.8H, v4.8B, v1.8B
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prfm pldl1strm, [x1]
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.ifc \codec,h264
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rshrn v16.8B, v16.8H, #6
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rshrn v17.8B, v17.8H, #6
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.else
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add v16.8H, v16.8H, v22.8H
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add v17.8H, v17.8H, v22.8H
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shrn v16.8B, v16.8H, #6
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shrn v17.8B, v17.8H, #6
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.endif
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prfm pldl1strm, [x1, x2]
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.ifc \type,avg
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ld1 {v20.8B}, [x8], x2
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ld1 {v21.8B}, [x8], x2
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urhadd v16.8B, v16.8B, v20.8B
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urhadd v17.8B, v17.8B, v21.8B
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.endif
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subs w3, w3, #2
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st1 {v16.8B}, [x0], x2
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st1 {v17.8B}, [x0], x2
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b.gt 3b
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ret
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4: ld1 {v4.8B, v5.8B}, [x1], x2
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ld1 {v6.8B, v7.8B}, [x1], x2
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ext v5.8B, v4.8B, v5.8B, #1
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ext v7.8B, v6.8B, v7.8B, #1
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prfm pldl1strm, [x1]
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subs w3, w3, #2
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umull v16.8H, v4.8B, v0.8B
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umlal v16.8H, v5.8B, v1.8B
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umull v17.8H, v6.8B, v0.8B
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umlal v17.8H, v7.8B, v1.8B
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prfm pldl1strm, [x1, x2]
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.ifc \codec,h264
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rshrn v16.8B, v16.8H, #6
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rshrn v17.8B, v17.8H, #6
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.else
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add v16.8H, v16.8H, v22.8H
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add v17.8H, v17.8H, v22.8H
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shrn v16.8B, v16.8H, #6
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shrn v17.8B, v17.8H, #6
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.endif
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.ifc \type,avg
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ld1 {v20.8B}, [x8], x2
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ld1 {v21.8B}, [x8], x2
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urhadd v16.8B, v16.8B, v20.8B
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urhadd v17.8B, v17.8B, v21.8B
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.endif
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st1 {v16.8B}, [x0], x2
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st1 {v17.8B}, [x0], x2
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b.gt 4b
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ret
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endfunc
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.endm
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/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
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.macro h264_chroma_mc4 type, codec=h264
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function ff_\type\()_\codec\()_chroma_mc4_neon, export=1
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sxtw x2, w2
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.ifc \type,avg
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mov x8, x0
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.endif
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prfm pldl1strm, [x1]
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prfm pldl1strm, [x1, x2]
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.ifc \codec,rv40
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movrel x6, rv40bias
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lsr w9, w5, #1
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lsr w10, w4, #1
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lsl w9, w9, #3
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lsl w10, w10, #1
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add w9, w9, w10
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add x6, x6, w9, UXTW
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ld1r {v22.8H}, [x6]
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.endif
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.ifc \codec,vc1
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movi v22.8H, #28
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.endif
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mul w7, w4, w5
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lsl w14, w5, #3
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lsl w13, w4, #3
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cmp w7, #0
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sub w6, w14, w7
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sub w12, w13, w7
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sub w4, w7, w13
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sub w4, w4, w14
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add w4, w4, #64
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b.eq 2f
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dup v24.8B, w4
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dup v25.8B, w12
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ld1 {v4.8B}, [x1], x2
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dup v26.8B, w6
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dup v27.8B, w7
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ext v5.8B, v4.8B, v5.8B, #1
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trn1 v0.2S, v24.2S, v25.2S
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trn1 v2.2S, v26.2S, v27.2S
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trn1 v4.2S, v4.2S, v5.2S
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1: ld1 {v6.8B}, [x1], x2
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ext v7.8B, v6.8B, v7.8B, #1
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trn1 v6.2S, v6.2S, v7.2S
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umull v18.8H, v4.8B, v0.8B
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umlal v18.8H, v6.8B, v2.8B
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ld1 {v4.8B}, [x1], x2
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ext v5.8B, v4.8B, v5.8B, #1
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trn1 v4.2S, v4.2S, v5.2S
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prfm pldl1strm, [x1]
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umull v19.8H, v6.8B, v0.8B
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umlal v19.8H, v4.8B, v2.8B
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trn1 v30.2D, v18.2D, v19.2D
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trn2 v31.2D, v18.2D, v19.2D
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add v18.8H, v30.8H, v31.8H
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.ifc \codec,h264
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rshrn v16.8B, v18.8H, #6
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.else
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add v18.8H, v18.8H, v22.8H
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shrn v16.8B, v18.8H, #6
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.endif
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subs w3, w3, #2
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prfm pldl1strm, [x1, x2]
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.ifc \type,avg
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ld1 {v20.S}[0], [x8], x2
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ld1 {v20.S}[1], [x8], x2
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urhadd v16.8B, v16.8B, v20.8B
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.endif
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st1 {v16.S}[0], [x0], x2
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st1 {v16.S}[1], [x0], x2
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b.gt 1b
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ret
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2: tst w6, w6
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add w12, w12, w6
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dup v30.8B, w4
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dup v31.8B, w12
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trn1 v0.2S, v30.2S, v31.2S
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trn2 v1.2S, v30.2S, v31.2S
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b.eq 4f
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ext v1.8B, v0.8B, v1.8B, #4
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ld1 {v4.S}[0], [x1], x2
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3: ld1 {v4.S}[1], [x1], x2
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umull v18.8H, v4.8B, v0.8B
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ld1 {v4.S}[0], [x1], x2
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umull v19.8H, v4.8B, v1.8B
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trn1 v30.2D, v18.2D, v19.2D
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trn2 v31.2D, v18.2D, v19.2D
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add v18.8H, v30.8H, v31.8H
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prfm pldl1strm, [x1]
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.ifc \codec,h264
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rshrn v16.8B, v18.8H, #6
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.else
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add v18.8H, v18.8H, v22.8H
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shrn v16.8B, v18.8H, #6
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.endif
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.ifc \type,avg
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ld1 {v20.S}[0], [x8], x2
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ld1 {v20.S}[1], [x8], x2
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urhadd v16.8B, v16.8B, v20.8B
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.endif
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subs w3, w3, #2
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prfm pldl1strm, [x1, x2]
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st1 {v16.S}[0], [x0], x2
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st1 {v16.S}[1], [x0], x2
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b.gt 3b
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ret
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4: ld1 {v4.8B}, [x1], x2
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ld1 {v6.8B}, [x1], x2
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ext v5.8B, v4.8B, v5.8B, #1
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ext v7.8B, v6.8B, v7.8B, #1
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trn1 v4.2S, v4.2S, v5.2S
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trn1 v6.2S, v6.2S, v7.2S
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umull v18.8H, v4.8B, v0.8B
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umull v19.8H, v6.8B, v0.8B
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subs w3, w3, #2
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trn1 v30.2D, v18.2D, v19.2D
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trn2 v31.2D, v18.2D, v19.2D
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add v18.8H, v30.8H, v31.8H
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prfm pldl1strm, [x1]
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.ifc \codec,h264
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rshrn v16.8B, v18.8H, #6
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.else
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add v18.8H, v18.8H, v22.8H
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shrn v16.8B, v18.8H, #6
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.endif
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.ifc \type,avg
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ld1 {v20.S}[0], [x8], x2
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ld1 {v20.S}[1], [x8], x2
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urhadd v16.8B, v16.8B, v20.8B
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.endif
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prfm pldl1strm, [x1]
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st1 {v16.S}[0], [x0], x2
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st1 {v16.S}[1], [x0], x2
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b.gt 4b
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ret
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endfunc
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.endm
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.macro h264_chroma_mc2 type
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function ff_\type\()_h264_chroma_mc2_neon, export=1
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sxtw x2, w2
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prfm pldl1strm, [x1]
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prfm pldl1strm, [x1, x2]
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orr w7, w4, w5
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cbz w7, 2f
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mul w7, w4, w5
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lsl w14, w5, #3
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lsl w13, w4, #3
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sub w6, w14, w7
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sub w12, w13, w7
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sub w4, w7, w13
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sub w4, w4, w14
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add w4, w4, #64
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dup v0.8B, w4
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dup v2.8B, w12
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dup v1.8B, w6
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dup v3.8B, w7
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trn1 v0.4H, v0.4H, v2.4H
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trn1 v1.4H, v1.4H, v3.4H
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1:
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ld1 {v4.S}[0], [x1], x2
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ld1 {v4.S}[1], [x1], x2
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rev64 v5.2S, v4.2S
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ld1 {v5.S}[1], [x1]
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ext v6.8B, v4.8B, v5.8B, #1
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ext v7.8B, v5.8B, v4.8B, #1
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trn1 v4.4H, v4.4H, v6.4H
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trn1 v5.4H, v5.4H, v7.4H
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umull v16.8H, v4.8B, v0.8B
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umlal v16.8H, v5.8B, v1.8B
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.ifc \type,avg
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ld1 {v18.H}[0], [x0], x2
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ld1 {v18.H}[2], [x0]
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sub x0, x0, x2
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.endif
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rev64 v17.4S, v16.4S
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add v16.8H, v16.8H, v17.8H
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rshrn v16.8B, v16.8H, #6
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.ifc \type,avg
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urhadd v16.8B, v16.8B, v18.8B
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.endif
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st1 {v16.H}[0], [x0], x2
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st1 {v16.H}[2], [x0], x2
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subs w3, w3, #2
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b.gt 1b
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ret
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2:
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ld1 {v16.H}[0], [x1], x2
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ld1 {v16.H}[1], [x1], x2
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.ifc \type,avg
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ld1 {v18.H}[0], [x0], x2
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ld1 {v18.H}[1], [x0]
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sub x0, x0, x2
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urhadd v16.8B, v16.8B, v18.8B
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.endif
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st1 {v16.H}[0], [x0], x2
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st1 {v16.H}[1], [x0], x2
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subs w3, w3, #2
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b.gt 2b
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ret
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endfunc
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.endm
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h264_chroma_mc8 put
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h264_chroma_mc8 avg
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h264_chroma_mc4 put
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h264_chroma_mc4 avg
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h264_chroma_mc2 put
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h264_chroma_mc2 avg
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#if CONFIG_RV40_DECODER
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const rv40bias
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.short 0, 16, 32, 16
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.short 32, 28, 32, 28
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.short 0, 32, 16, 32
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.short 32, 28, 32, 28
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endconst
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h264_chroma_mc8 put, rv40
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h264_chroma_mc8 avg, rv40
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h264_chroma_mc4 put, rv40
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h264_chroma_mc4 avg, rv40
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#endif
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#if CONFIG_VC1_DECODER
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h264_chroma_mc8 put, vc1
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h264_chroma_mc8 avg, vc1
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h264_chroma_mc4 put, vc1
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h264_chroma_mc4 avg, vc1
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#endif
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