f244cbd5
 Hu Chunming
ffmpeg支持h264编码
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/*****************************************************************************
* deblock.S: aarch64 deblocking
*****************************************************************************
* Copyright (C) 2009-2024 x264 project
*
* Authors: Mans Rullgard <mans@mansr.com>
* Janne Grunau <janne-x264@jannau.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "asm.S"
#include "deblock-a-common.S"
.macro h264_loop_filter_luma
dup v22.16b, w2 // alpha
uxtl v24.8h, v24.8b
uabd v21.16b, v16.16b, v0.16b // abs(p0 - q0)
uxtl v24.4s, v24.4h
uabd v28.16b, v18.16b, v16.16b // abs(p1 - p0)
sli v24.8h, v24.8h, #8
uabd v30.16b, v2.16b, v0.16b // abs(q1 - q0)
sli v24.4s, v24.4s, #16
cmhi v21.16b, v22.16b, v21.16b // < alpha
dup v22.16b, w3 // beta
cmlt v23.16b, v24.16b, #0
cmhi v28.16b, v22.16b, v28.16b // < beta
cmhi v30.16b, v22.16b, v30.16b // < beta
bic v21.16b, v21.16b, v23.16b
uabd v17.16b, v20.16b, v16.16b // abs(p2 - p0)
and v21.16b, v21.16b, v28.16b
uabd v19.16b, v4.16b, v0.16b // abs(q2 - q0)
cmhi v17.16b, v22.16b, v17.16b // < beta
and v21.16b, v21.16b, v30.16b
cmhi v19.16b, v22.16b, v19.16b // < beta
and v17.16b, v17.16b, v21.16b
and v19.16b, v19.16b, v21.16b
and v24.16b, v24.16b, v21.16b
urhadd v28.16b, v16.16b, v0.16b
sub v21.16b, v24.16b, v17.16b
uqadd v23.16b, v18.16b, v24.16b
uhadd v20.16b, v20.16b, v28.16b
sub v21.16b, v21.16b, v19.16b
uhadd v28.16b, v4.16b, v28.16b
umin v23.16b, v23.16b, v20.16b
uqsub v22.16b, v18.16b, v24.16b
uqadd v4.16b, v2.16b, v24.16b
umax v23.16b, v23.16b, v22.16b
uqsub v22.16b, v2.16b, v24.16b
umin v28.16b, v4.16b, v28.16b
uxtl v4.8h, v0.8b
umax v28.16b, v28.16b, v22.16b
uxtl2 v20.8h, v0.16b
usubw v4.8h, v4.8h, v16.8b
usubw2 v20.8h, v20.8h, v16.16b
shl v4.8h, v4.8h, #2
shl v20.8h, v20.8h, #2
uaddw v4.8h, v4.8h, v18.8b
uaddw2 v20.8h, v20.8h, v18.16b
usubw v4.8h, v4.8h, v2.8b
usubw2 v20.8h, v20.8h, v2.16b
rshrn v4.8b, v4.8h, #3
rshrn2 v4.16b, v20.8h, #3
bsl v17.16b, v23.16b, v18.16b
bsl v19.16b, v28.16b, v2.16b
neg v23.16b, v21.16b
uxtl v28.8h, v16.8b
smin v4.16b, v4.16b, v21.16b
uxtl2 v21.8h, v16.16b
smax v4.16b, v4.16b, v23.16b
uxtl v22.8h, v0.8b
uxtl2 v24.8h, v0.16b
saddw v28.8h, v28.8h, v4.8b
saddw2 v21.8h, v21.8h, v4.16b
ssubw v22.8h, v22.8h, v4.8b
ssubw2 v24.8h, v24.8h, v4.16b
sqxtun v16.8b, v28.8h
sqxtun2 v16.16b, v21.8h
sqxtun v0.8b, v22.8h
sqxtun2 v0.16b, v24.8h
.endm
function deblock_v_luma_neon, export=1
h264_loop_filter_start
ld1 {v0.16b}, [x0], x1
ld1 {v2.16b}, [x0], x1
ld1 {v4.16b}, [x0], x1
sub x0, x0, x1, lsl #2
sub x0, x0, x1, lsl #1
ld1 {v20.16b}, [x0], x1
ld1 {v18.16b}, [x0], x1
ld1 {v16.16b}, [x0], x1
h264_loop_filter_luma
sub x0, x0, x1, lsl #1
st1 {v17.16b}, [x0], x1
st1 {v16.16b}, [x0], x1
st1 {v0.16b}, [x0], x1
st1 {v19.16b}, [x0]
ret
endfunc
function deblock_h_luma_neon, export=1
h264_loop_filter_start
sub x0, x0, #4
ld1 {v6.8b}, [x0], x1
ld1 {v20.8b}, [x0], x1
ld1 {v18.8b}, [x0], x1
ld1 {v16.8b}, [x0], x1
ld1 {v0.8b}, [x0], x1
ld1 {v2.8b}, [x0], x1
ld1 {v4.8b}, [x0], x1
ld1 {v26.8b}, [x0], x1
ld1 {v6.d}[1], [x0], x1
ld1 {v20.d}[1], [x0], x1
ld1 {v18.d}[1], [x0], x1
ld1 {v16.d}[1], [x0], x1
ld1 {v0.d}[1], [x0], x1
ld1 {v2.d}[1], [x0], x1
ld1 {v4.d}[1], [x0], x1
ld1 {v26.d}[1], [x0], x1
transpose_8x16.b v6, v20, v18, v16, v0, v2, v4, v26, v21, v23
h264_loop_filter_luma
transpose_4x16.b v17, v16, v0, v19, v21, v23, v25, v27
sub x0, x0, x1, lsl #4
add x0, x0, #2
st1 {v17.s}[0], [x0], x1
st1 {v16.s}[0], [x0], x1
st1 {v0.s}[0], [x0], x1
st1 {v19.s}[0], [x0], x1
st1 {v17.s}[1], [x0], x1
st1 {v16.s}[1], [x0], x1
st1 {v0.s}[1], [x0], x1
st1 {v19.s}[1], [x0], x1
st1 {v17.s}[2], [x0], x1
st1 {v16.s}[2], [x0], x1
st1 {v0.s}[2], [x0], x1
st1 {v19.s}[2], [x0], x1
st1 {v17.s}[3], [x0], x1
st1 {v16.s}[3], [x0], x1
st1 {v0.s}[3], [x0], x1
st1 {v19.s}[3], [x0], x1
ret
endfunc
.macro h264_loop_filter_start_intra
orr w4, w2, w3
cmp w4, #0
b.ne 1f
ret
1:
dup v30.16b, w2 // alpha
dup v31.16b, w3 // beta
.endm
.macro h264_loop_filter_luma_intra
uabd v16.16b, v7.16b, v0.16b // abs(p0 - q0)
uabd v17.16b, v6.16b, v7.16b // abs(p1 - p0)
uabd v18.16b, v1.16b, v0.16b // abs(q1 - q0)
cmhi v19.16b, v30.16b, v16.16b // < alpha
cmhi v17.16b, v31.16b, v17.16b // < beta
cmhi v18.16b, v31.16b, v18.16b // < beta
movi v29.16b, #2
ushr v30.16b, v30.16b, #2 // alpha >> 2
add v30.16b, v30.16b, v29.16b // (alpha >> 2) + 2
cmhi v16.16b, v30.16b, v16.16b // < (alpha >> 2) + 2
and v19.16b, v19.16b, v17.16b
and v19.16b, v19.16b, v18.16b
shrn v20.8b, v19.8h, #4
mov x4, v20.d[0]
cbz x4, 9f
ushll v20.8h, v6.8b, #1
ushll v22.8h, v1.8b, #1
ushll2 v21.8h, v6.16b, #1
ushll2 v23.8h, v1.16b, #1
uaddw v20.8h, v20.8h, v7.8b
uaddw v22.8h, v22.8h, v0.8b
uaddw2 v21.8h, v21.8h, v7.16b
uaddw2 v23.8h, v23.8h, v0.16b
uaddw v20.8h, v20.8h, v1.8b
uaddw v22.8h, v22.8h, v6.8b
uaddw2 v21.8h, v21.8h, v1.16b
uaddw2 v23.8h, v23.8h, v6.16b
rshrn v24.8b, v20.8h, #2 // p0'_1
rshrn v25.8b, v22.8h, #2 // q0'_1
rshrn2 v24.16b, v21.8h, #2 // p0'_1
rshrn2 v25.16b, v23.8h, #2 // q0'_1
uabd v17.16b, v5.16b, v7.16b // abs(p2 - p0)
uabd v18.16b, v2.16b, v0.16b // abs(q2 - q0)
cmhi v17.16b, v31.16b, v17.16b // < beta
cmhi v18.16b, v31.16b, v18.16b // < beta
and v17.16b, v16.16b, v17.16b // if_2 && if_3
and v18.16b, v16.16b, v18.16b // if_2 && if_4
not v30.16b, v17.16b
not v31.16b, v18.16b
and v30.16b, v30.16b, v19.16b // if_1 && !(if_2 && if_3)
and v31.16b, v31.16b, v19.16b // if_1 && !(if_2 && if_4)
and v17.16b, v19.16b, v17.16b // if_1 && if_2 && if_3
and v18.16b, v19.16b, v18.16b // if_1 && if_2 && if_4
//calc p, v7, v6, v5, v4, v17, v7, v6, v5, v4
uaddl v26.8h, v5.8b, v7.8b
uaddl2 v27.8h, v5.16b, v7.16b
uaddw v26.8h, v26.8h, v0.8b
uaddw2 v27.8h, v27.8h, v0.16b
add v20.8h, v20.8h, v26.8h
add v21.8h, v21.8h, v27.8h
uaddw v20.8h, v20.8h, v0.8b
uaddw2 v21.8h, v21.8h, v0.16b
rshrn v20.8b, v20.8h, #3 // p0'_2
rshrn2 v20.16b, v21.8h, #3 // p0'_2
uaddw v26.8h, v26.8h, v6.8b
uaddw2 v27.8h, v27.8h, v6.16b
rshrn v21.8b, v26.8h, #2 // p1'_2
rshrn2 v21.16b, v27.8h, #2 // p1'_2
uaddl v28.8h, v4.8b, v5.8b
uaddl2 v29.8h, v4.16b, v5.16b
shl v28.8h, v28.8h, #1
shl v29.8h, v29.8h, #1
add v28.8h, v28.8h, v26.8h
add v29.8h, v29.8h, v27.8h
rshrn v19.8b, v28.8h, #3 // p2'_2
rshrn2 v19.16b, v29.8h, #3 // p2'_2
//calc q, v0, v1, v2, v3, v18, v0, v1, v2, v3
uaddl v26.8h, v2.8b, v0.8b
uaddl2 v27.8h, v2.16b, v0.16b
uaddw v26.8h, v26.8h, v7.8b
uaddw2 v27.8h, v27.8h, v7.16b
add v22.8h, v22.8h, v26.8h
add v23.8h, v23.8h, v27.8h
uaddw v22.8h, v22.8h, v7.8b
uaddw2 v23.8h, v23.8h, v7.16b
rshrn v22.8b, v22.8h, #3 // q0'_2
rshrn2 v22.16b, v23.8h, #3 // q0'_2
uaddw v26.8h, v26.8h, v1.8b
uaddw2 v27.8h, v27.8h, v1.16b
rshrn v23.8b, v26.8h, #2 // q1'_2
rshrn2 v23.16b, v27.8h, #2 // q1'_2
uaddl v28.8h, v2.8b, v3.8b
uaddl2 v29.8h, v2.16b, v3.16b
shl v28.8h, v28.8h, #1
shl v29.8h, v29.8h, #1
add v28.8h, v28.8h, v26.8h
add v29.8h, v29.8h, v27.8h
rshrn v26.8b, v28.8h, #3 // q2'_2
rshrn2 v26.16b, v29.8h, #3 // q2'_2
bit v7.16b, v24.16b, v30.16b // p0'_1
bit v0.16b, v25.16b, v31.16b // q0'_1
bit v7.16b, v20.16b, v17.16b // p0'_2
bit v6.16b, v21.16b, v17.16b // p1'_2
bit v5.16b, v19.16b, v17.16b // p2'_2
bit v0.16b, v22.16b, v18.16b // q0'_2
bit v1.16b, v23.16b, v18.16b // q1'_2
bit v2.16b, v26.16b, v18.16b // q2'_2
.endm
function deblock_v_luma_intra_neon, export=1
h264_loop_filter_start_intra
ld1 {v0.16b}, [x0], x1 // q0
ld1 {v1.16b}, [x0], x1 // q1
ld1 {v2.16b}, [x0], x1 // q2
ld1 {v3.16b}, [x0], x1 // q3
sub x0, x0, x1, lsl #3
ld1 {v4.16b}, [x0], x1 // p3
ld1 {v5.16b}, [x0], x1 // p2
ld1 {v6.16b}, [x0], x1 // p1
ld1 {v7.16b}, [x0] // p0
h264_loop_filter_luma_intra
sub x0, x0, x1, lsl #1
st1 {v5.16b}, [x0], x1 // p2
st1 {v6.16b}, [x0], x1 // p1
st1 {v7.16b}, [x0], x1 // p0
st1 {v0.16b}, [x0], x1 // q0
st1 {v1.16b}, [x0], x1 // q1
st1 {v2.16b}, [x0] // q2
9:
ret
endfunc
function deblock_h_luma_intra_neon, export=1
h264_loop_filter_start_intra
sub x0, x0, #4
ld1 {v4.8b}, [x0], x1
ld1 {v5.8b}, [x0], x1
ld1 {v6.8b}, [x0], x1
ld1 {v7.8b}, [x0], x1
ld1 {v0.8b}, [x0], x1
ld1 {v1.8b}, [x0], x1
ld1 {v2.8b}, [x0], x1
ld1 {v3.8b}, [x0], x1
ld1 {v4.d}[1], [x0], x1
ld1 {v5.d}[1], [x0], x1
ld1 {v6.d}[1], [x0], x1
ld1 {v7.d}[1], [x0], x1
ld1 {v0.d}[1], [x0], x1
ld1 {v1.d}[1], [x0], x1
ld1 {v2.d}[1], [x0], x1
ld1 {v3.d}[1], [x0], x1
transpose_8x16.b v4, v5, v6, v7, v0, v1, v2, v3, v21, v23
h264_loop_filter_luma_intra
transpose_8x16.b v4, v5, v6, v7, v0, v1, v2, v3, v21, v23
sub x0, x0, x1, lsl #4
st1 {v4.8b}, [x0], x1
st1 {v5.8b}, [x0], x1
st1 {v6.8b}, [x0], x1
st1 {v7.8b}, [x0], x1
st1 {v0.8b}, [x0], x1
st1 {v1.8b}, [x0], x1
st1 {v2.8b}, [x0], x1
st1 {v3.8b}, [x0], x1
st1 {v4.d}[1], [x0], x1
st1 {v5.d}[1], [x0], x1
st1 {v6.d}[1], [x0], x1
st1 {v7.d}[1], [x0], x1
st1 {v0.d}[1], [x0], x1
st1 {v1.d}[1], [x0], x1
st1 {v2.d}[1], [x0], x1
st1 {v3.d}[1], [x0], x1
9:
ret
endfunc
.macro h264_loop_filter_chroma
dup v22.16b, w2 // alpha
uxtl v24.8h, v24.8b
uabd v26.16b, v16.16b, v0.16b // abs(p0 - q0)
uxtl v4.8h, v0.8b
uxtl2 v5.8h, v0.16b
uabd v28.16b, v18.16b, v16.16b // abs(p1 - p0)
usubw v4.8h, v4.8h, v16.8b
usubw2 v5.8h, v5.8h, v16.16b
sli v24.8h, v24.8h, #8
shl v4.8h, v4.8h, #2
shl v5.8h, v5.8h, #2
uabd v30.16b, v2.16b, v0.16b // abs(q1 - q0)
uxtl v24.4s, v24.4h
uaddw v4.8h, v4.8h, v18.8b
uaddw2 v5.8h, v5.8h, v18.16b
cmhi v26.16b, v22.16b, v26.16b // < alpha
usubw v4.8h, v4.8h, v2.8b
usubw2 v5.8h, v5.8h, v2.16b
sli v24.4s, v24.4s, #16
dup v22.16b, w3 // beta
rshrn v4.8b, v4.8h, #3
rshrn2 v4.16b, v5.8h, #3
cmhi v28.16b, v22.16b, v28.16b // < beta
cmhi v30.16b, v22.16b, v30.16b // < beta
smin v4.16b, v4.16b, v24.16b
neg v25.16b, v24.16b
and v26.16b, v26.16b, v28.16b
smax v4.16b, v4.16b, v25.16b
and v26.16b, v26.16b, v30.16b
uxtl v22.8h, v0.8b
uxtl2 v23.8h, v0.16b
and v4.16b, v4.16b, v26.16b
uxtl v28.8h, v16.8b
uxtl2 v29.8h, v16.16b
saddw v28.8h, v28.8h, v4.8b
saddw2 v29.8h, v29.8h, v4.16b
ssubw v22.8h, v22.8h, v4.8b
ssubw2 v23.8h, v23.8h, v4.16b
sqxtun v16.8b, v28.8h
sqxtun v0.8b, v22.8h
sqxtun2 v16.16b, v29.8h
sqxtun2 v0.16b, v23.8h
.endm
function deblock_v_chroma_neon, export=1
h264_loop_filter_start
sub x0, x0, x1, lsl #1
ld1 {v18.16b}, [x0], x1
ld1 {v16.16b}, [x0], x1
ld1 {v0.16b}, [x0], x1
ld1 {v2.16b}, [x0]
h264_loop_filter_chroma
sub x0, x0, x1, lsl #1
st1 {v16.16b}, [x0], x1
st1 {v0.16b}, [x0], x1
ret
endfunc
function deblock_h_chroma_neon, export=1
h264_loop_filter_start
sub x0, x0, #4
deblock_h_chroma:
ld1 {v18.d}[0], [x0], x1
ld1 {v16.d}[0], [x0], x1
ld1 {v0.d}[0], [x0], x1
ld1 {v2.d}[0], [x0], x1
ld1 {v18.d}[1], [x0], x1
ld1 {v16.d}[1], [x0], x1
ld1 {v0.d}[1], [x0], x1
ld1 {v2.d}[1], [x0], x1
transpose4x8.h v18, v16, v0, v2, v28, v29, v30, v31
h264_loop_filter_chroma
transpose4x8.h v18, v16, v0, v2, v28, v29, v30, v31
sub x0, x0, x1, lsl #3
st1 {v18.d}[0], [x0], x1
st1 {v16.d}[0], [x0], x1
st1 {v0.d}[0], [x0], x1
st1 {v2.d}[0], [x0], x1
st1 {v18.d}[1], [x0], x1
st1 {v16.d}[1], [x0], x1
st1 {v0.d}[1], [x0], x1
st1 {v2.d}[1], [x0], x1
ret
endfunc
function deblock_h_chroma_422_neon, export=1
add x5, x0, x1
sub x0, x0, #4
add x1, x1, x1
h264_loop_filter_start
mov x7, x30
bl deblock_h_chroma
mov x30, x7
sub x0, x5, #4
mov v24.s[0], w6
b deblock_h_chroma
endfunc
.macro h264_loop_filter_chroma8
dup v22.8b, w2 // alpha
uxtl v24.8h, v24.8b
uabd v26.8b, v16.8b, v17.8b // abs(p0 - q0)
uxtl v4.8h, v17.8b
uabd v28.8b, v18.8b, v16.8b // abs(p1 - p0)
usubw v4.8h, v4.8h, v16.8b
sli v24.8h, v24.8h, #8
shl v4.8h, v4.8h, #2
uabd v30.8b, v19.8b, v17.8b // abs(q1 - q0)
uaddw v4.8h, v4.8h, v18.8b
cmhi v26.8b, v22.8b, v26.8b // < alpha
usubw v4.8h, v4.8h, v19.8b
dup v22.8b, w3 // beta
rshrn v4.8b, v4.8h, #3
cmhi v28.8b, v22.8b, v28.8b // < beta
cmhi v30.8b, v22.8b, v30.8b // < beta
smin v4.8b, v4.8b, v24.8b
neg v25.8b, v24.8b
and v26.8b, v26.8b, v28.8b
smax v4.8b, v4.8b, v25.8b
and v26.8b, v26.8b, v30.8b
uxtl v22.8h, v17.8b
and v4.8b, v4.8b, v26.8b
uxtl v28.8h, v16.8b
saddw v28.8h, v28.8h, v4.8b
ssubw v22.8h, v22.8h, v4.8b
sqxtun v16.8b, v28.8h
sqxtun v17.8b, v22.8h
.endm
function deblock_h_chroma_mbaff_neon, export=1
h264_loop_filter_start
sub x4, x0, #4
sub x0, x0, #2
ld1 {v18.8b}, [x4], x1
ld1 {v16.8b}, [x4], x1
ld1 {v17.8b}, [x4], x1
ld1 {v19.8b}, [x4]
transpose4x4.h v18, v16, v17, v19, v28, v29, v30, v31
h264_loop_filter_chroma8
st2 {v16.h,v17.h}[0], [x0], x1
st2 {v16.h,v17.h}[1], [x0], x1
st2 {v16.h,v17.h}[2], [x0], x1
st2 {v16.h,v17.h}[3], [x0]
ret
endfunc
.macro h264_loop_filter_chroma_intra width=16
uabd v26.16b, v16.16b, v17.16b // abs(p0 - q0)
uabd v27.16b, v18.16b, v16.16b // abs(p1 - p0)
uabd v28.16b, v19.16b, v17.16b // abs(q1 - q0)
cmhi v26.16b, v30.16b, v26.16b // < alpha
cmhi v27.16b, v31.16b, v27.16b // < beta
cmhi v28.16b, v31.16b, v28.16b // < beta
and v26.16b, v26.16b, v27.16b
and v26.16b, v26.16b, v28.16b
ushll v4.8h, v18.8b, #1
ushll v6.8h, v19.8b, #1
.ifc \width, 16
ushll2 v5.8h, v18.16b, #1
ushll2 v7.8h, v19.16b, #1
uaddl2 v21.8h, v16.16b, v19.16b
uaddl2 v23.8h, v17.16b, v18.16b
.endif
uaddl v20.8h, v16.8b, v19.8b
uaddl v22.8h, v17.8b, v18.8b
add v20.8h, v20.8h, v4.8h // mlal?
add v22.8h, v22.8h, v6.8h
.ifc \width, 16
add v21.8h, v21.8h, v5.8h
add v23.8h, v23.8h, v7.8h
.endif
uqrshrn v24.8b, v20.8h, #2
uqrshrn v25.8b, v22.8h, #2
.ifc \width, 16
uqrshrn2 v24.16b, v21.8h, #2
uqrshrn2 v25.16b, v23.8h, #2
.endif
bit v16.16b, v24.16b, v26.16b
bit v17.16b, v25.16b, v26.16b
.endm
function deblock_v_chroma_intra_neon, export=1
h264_loop_filter_start_intra
sub x0, x0, x1, lsl #1
ld1 {v18.16b}, [x0], x1
ld1 {v16.16b}, [x0], x1
ld1 {v17.16b}, [x0], x1
ld1 {v19.16b}, [x0]
h264_loop_filter_chroma_intra
sub x0, x0, x1, lsl #1
st1 {v16.16b}, [x0], x1
st1 {v17.16b}, [x0], x1
ret
endfunc
function deblock_h_chroma_intra_mbaff_neon, export=1
h264_loop_filter_start_intra
sub x4, x0, #4
sub x0, x0, #2
ld1 {v18.8b}, [x4], x1
ld1 {v16.8b}, [x4], x1
ld1 {v17.8b}, [x4], x1
ld1 {v19.8b}, [x4], x1
transpose4x4.h v18, v16, v17, v19, v26, v27, v28, v29
h264_loop_filter_chroma_intra width=8
st2 {v16.h,v17.h}[0], [x0], x1
st2 {v16.h,v17.h}[1], [x0], x1
st2 {v16.h,v17.h}[2], [x0], x1
st2 {v16.h,v17.h}[3], [x0], x1
ret
endfunc
function deblock_h_chroma_intra_neon, export=1
h264_loop_filter_start_intra
sub x4, x0, #4
sub x0, x0, #2
ld1 {v18.d}[0], [x4], x1
ld1 {v16.d}[0], [x4], x1
ld1 {v17.d}[0], [x4], x1
ld1 {v19.d}[0], [x4], x1
ld1 {v18.d}[1], [x4], x1
ld1 {v16.d}[1], [x4], x1
ld1 {v17.d}[1], [x4], x1
ld1 {v19.d}[1], [x4], x1
transpose4x8.h v18, v16, v17, v19, v26, v27, v28, v29
h264_loop_filter_chroma_intra
st2 {v16.h,v17.h}[0], [x0], x1
st2 {v16.h,v17.h}[1], [x0], x1
st2 {v16.h,v17.h}[2], [x0], x1
st2 {v16.h,v17.h}[3], [x0], x1
st2 {v16.h,v17.h}[4], [x0], x1
st2 {v16.h,v17.h}[5], [x0], x1
st2 {v16.h,v17.h}[6], [x0], x1
st2 {v16.h,v17.h}[7], [x0], x1
ret
endfunc
function deblock_h_chroma_422_intra_neon, export=1
h264_loop_filter_start_intra
sub x4, x0, #4
sub x0, x0, #2
ld1 {v18.d}[0], [x4], x1
ld1 {v16.d}[0], [x4], x1
ld1 {v17.d}[0], [x4], x1
ld1 {v19.d}[0], [x4], x1
ld1 {v18.d}[1], [x4], x1
ld1 {v16.d}[1], [x4], x1
ld1 {v17.d}[1], [x4], x1
ld1 {v19.d}[1], [x4], x1
transpose4x8.h v18, v16, v17, v19, v26, v27, v28, v29
h264_loop_filter_chroma_intra
st2 {v16.h,v17.h}[0], [x0], x1
st2 {v16.h,v17.h}[1], [x0], x1
st2 {v16.h,v17.h}[2], [x0], x1
st2 {v16.h,v17.h}[3], [x0], x1
st2 {v16.h,v17.h}[4], [x0], x1
st2 {v16.h,v17.h}[5], [x0], x1
st2 {v16.h,v17.h}[6], [x0], x1
st2 {v16.h,v17.h}[7], [x0], x1
ld1 {v18.d}[0], [x4], x1
ld1 {v16.d}[0], [x4], x1
ld1 {v17.d}[0], [x4], x1
ld1 {v19.d}[0], [x4], x1
ld1 {v18.d}[1], [x4], x1
ld1 {v16.d}[1], [x4], x1
ld1 {v17.d}[1], [x4], x1
ld1 {v19.d}[1], [x4], x1
transpose4x8.h v18, v16, v17, v19, v26, v27, v28, v29
h264_loop_filter_chroma_intra
st2 {v16.h,v17.h}[0], [x0], x1
st2 {v16.h,v17.h}[1], [x0], x1
st2 {v16.h,v17.h}[2], [x0], x1
st2 {v16.h,v17.h}[3], [x0], x1
st2 {v16.h,v17.h}[4], [x0], x1
st2 {v16.h,v17.h}[5], [x0], x1
st2 {v16.h,v17.h}[6], [x0], x1
st2 {v16.h,v17.h}[7], [x0], x1
ret
endfunc
// void deblock_strength( uint8_t nnz[X264_SCAN8_SIZE],
// int8_t ref[2][X264_SCAN8_LUMA_SIZE],
// int16_t mv[2][X264_SCAN8_LUMA_SIZE][2],
// uint8_t bs[2][8][4], int mvy_limit,
// int bframe )
function deblock_strength_neon, export=1
movi v4.16b, #0
lsl w4, w4, #8
add x3, x3, #32
sub w4, w4, #(1<<8)-3
movi v5.16b, #0
dup v6.8h, w4
mov x6, #-32
bframe:
// load bytes ref
add x2, x2, #16
ld1 {v31.d}[1], [x1], #8
ld1 {v1.16b}, [x1], #16
movi v0.16b, #0
ld1 {v2.16b}, [x1], #16
ext v3.16b, v0.16b, v1.16b, #15
ext v0.16b, v0.16b, v2.16b, #15
unzip v21.4s, v22.4s, v1.4s, v2.4s
unzip v23.4s, v20.4s, v3.4s, v0.4s
ext v21.16b, v31.16b, v22.16b, #12
eor v0.16b, v20.16b, v22.16b
eor v1.16b, v21.16b, v22.16b
orr v4.16b, v4.16b, v0.16b
orr v5.16b, v5.16b, v1.16b
ld1 {v21.8h}, [x2], #16 // mv + 0x10
ld1 {v19.8h}, [x2], #16 // mv + 0x20
ld1 {v22.8h}, [x2], #16 // mv + 0x30
ld1 {v18.8h}, [x2], #16 // mv + 0x40
ld1 {v23.8h}, [x2], #16 // mv + 0x50
ext v19.16b, v19.16b, v22.16b, #12
ext v18.16b, v18.16b, v23.16b, #12
sabd v0.8h, v22.8h, v19.8h
ld1 {v19.8h}, [x2], #16 // mv + 0x60
sabd v1.8h, v23.8h, v18.8h
ld1 {v24.8h}, [x2], #16 // mv + 0x70
uqxtn v0.8b, v0.8h
ld1 {v18.8h}, [x2], #16 // mv + 0x80
ld1 {v25.8h}, [x2], #16 // mv + 0x90
uqxtn2 v0.16b, v1.8h
ext v19.16b, v19.16b, v24.16b, #12
ext v18.16b, v18.16b, v25.16b, #12
sabd v1.8h, v24.8h, v19.8h
sabd v2.8h, v25.8h, v18.8h
uqxtn v1.8b, v1.8h
uqxtn2 v1.16b, v2.8h
uqsub v0.16b, v0.16b, v6.16b
uqsub v1.16b, v1.16b, v6.16b
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
sabd v1.8h, v22.8h, v23.8h
orr v4.16b, v4.16b, v0.16b
sabd v0.8h, v21.8h, v22.8h
sabd v2.8h, v23.8h, v24.8h
sabd v3.8h, v24.8h, v25.8h
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
uqxtn v1.8b, v2.8h
uqxtn2 v1.16b, v3.8h
uqsub v0.16b, v0.16b, v6.16b
uqsub v1.16b, v1.16b, v6.16b
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
subs w5, w5, #1
orr v5.16b, v5.16b, v0.16b
b.eq bframe
movi v6.16b, #1
// load bytes nnz
ld1 {v31.d}[1], [x0], #8
ld1 {v1.16b}, [x0], #16
movi v0.16b, #0
ld1 {v2.16b}, [x0], #16
ext v3.16b, v0.16b, v1.16b, #15
ext v0.16b, v0.16b, v2.16b, #15
unzip v21.4s, v22.4s, v1.4s, v2.4s
unzip v23.4s, v20.4s, v3.4s, v0.4s
ext v21.16b, v31.16b, v22.16b, #12
movrel x7, transpose_table
ld1 {v7.16b}, [x7]
orr v0.16b, v20.16b, v22.16b
orr v1.16b, v21.16b, v22.16b
umin v0.16b, v0.16b, v6.16b
umin v1.16b, v1.16b, v6.16b
umin v4.16b, v4.16b, v6.16b // mv ? 1 : 0
umin v5.16b, v5.16b, v6.16b
add v0.16b, v0.16b, v0.16b // nnz ? 2 : 0
add v1.16b, v1.16b, v1.16b
umax v4.16b, v4.16b, v0.16b
umax v5.16b, v5.16b, v1.16b
tbl v6.16b, {v4.16b}, v7.16b
st1 {v5.16b}, [x3], x6 // bs[1]
st1 {v6.16b}, [x3] // bs[0]
ret
endfunc
const transpose_table
.byte 0, 4, 8, 12
.byte 1, 5, 9, 13
.byte 2, 6, 10, 14
.byte 3, 7, 11, 15
endconst
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