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diff --git a/media/ffvpx/libavcodec/aarch64/simple_idct_neon.S b/media/ffvpx/libavcodec/aarch64/simple_idct_neon.S
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+/*
+ * ARM NEON IDCT
+ *
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ * Copyright (c) 2017 Matthieu Bouron <matthieu.bouron@gmail.com>
+ *
+ * Based on Simple IDCT
+ * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/aarch64/asm.S"
+
+#define Z1 22725 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define Z2 21407 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define Z3 19266 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define Z4 16383 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define Z5 12873 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define Z6 8867 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define Z7 4520 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
+#define Z4c ((1<<(COL_SHIFT-1))/Z4)
+#define ROW_SHIFT 11
+#define COL_SHIFT 20
+
+#define z1 v0.H[0]
+#define z2 v0.H[1]
+#define z3 v0.H[2]
+#define z4 v0.H[3]
+#define z5 v0.H[4]
+#define z6 v0.H[5]
+#define z7 v0.H[6]
+#define z4c v0.H[7]
+
+const idct_coeff_neon, align=4
+ .short Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z4c
+endconst
+
+.macro idct_start data
+ prfm pldl1keep, [\data]
+ mov x10, x30
+ movrel x3, idct_coeff_neon
+ ld1 {v0.2D}, [x3]
+.endm
+
+.macro idct_end
+ br x10
+.endm
+
+.macro smull1 a, b, c
+ smull \a, \b, \c
+.endm
+
+.macro smlal1 a, b, c
+ smlal \a, \b, \c
+.endm
+
+.macro smlsl1 a, b, c
+ smlsl \a, \b, \c
+.endm
+
+.macro idct_col4_top y1, y2, y3, y4, i, l
+ smull\i v7.4S, \y3\l, z2
+ smull\i v16.4S, \y3\l, z6
+ smull\i v17.4S, \y2\l, z1
+ add v19.4S, v23.4S, v7.4S
+ smull\i v18.4S, \y2\l, z3
+ add v20.4S, v23.4S, v16.4S
+ smull\i v5.4S, \y2\l, z5
+ sub v21.4S, v23.4S, v16.4S
+ smull\i v6.4S, \y2\l, z7
+ sub v22.4S, v23.4S, v7.4S
+
+ smlal\i v17.4S, \y4\l, z3
+ smlsl\i v18.4S, \y4\l, z7
+ smlsl\i v5.4S, \y4\l, z1
+ smlsl\i v6.4S, \y4\l, z5
+.endm
+
+.macro idct_row4_neon y1, y2, y3, y4, pass
+ ld1 {\y1\().2D,\y2\().2D}, [x2], #32
+ movi v23.4S, #1<<2, lsl #8
+ orr v5.16B, \y1\().16B, \y2\().16B
+ ld1 {\y3\().2D,\y4\().2D}, [x2], #32
+ orr v6.16B, \y3\().16B, \y4\().16B
+ orr v5.16B, v5.16B, v6.16B
+ mov x3, v5.D[1]
+ smlal v23.4S, \y1\().4H, z4
+
+ idct_col4_top \y1, \y2, \y3, \y4, 1, .4H
+
+ cmp x3, #0
+ b.eq \pass\()f
+
+ smull2 v7.4S, \y1\().8H, z4
+ smlal2 v17.4S, \y2\().8H, z5
+ smlsl2 v18.4S, \y2\().8H, z1
+ smull2 v16.4S, \y3\().8H, z2
+ smlal2 v5.4S, \y2\().8H, z7
+ add v19.4S, v19.4S, v7.4S
+ sub v20.4S, v20.4S, v7.4S
+ sub v21.4S, v21.4S, v7.4S
+ add v22.4S, v22.4S, v7.4S
+ smlal2 v6.4S, \y2\().8H, z3
+ smull2 v7.4S, \y3\().8H, z6
+ smlal2 v17.4S, \y4\().8H, z7
+ smlsl2 v18.4S, \y4\().8H, z5
+ smlal2 v5.4S, \y4\().8H, z3
+ smlsl2 v6.4S, \y4\().8H, z1
+ add v19.4S, v19.4S, v7.4S
+ sub v20.4S, v20.4S, v16.4S
+ add v21.4S, v21.4S, v16.4S
+ sub v22.4S, v22.4S, v7.4S
+
+\pass: add \y3\().4S, v19.4S, v17.4S
+ add \y4\().4S, v20.4S, v18.4S
+ shrn \y1\().4H, \y3\().4S, #ROW_SHIFT
+ shrn \y2\().4H, \y4\().4S, #ROW_SHIFT
+ add v7.4S, v21.4S, v5.4S
+ add v16.4S, v22.4S, v6.4S
+ shrn \y3\().4H, v7.4S, #ROW_SHIFT
+ shrn \y4\().4H, v16.4S, #ROW_SHIFT
+ sub v22.4S, v22.4S, v6.4S
+ sub v19.4S, v19.4S, v17.4S
+ sub v21.4S, v21.4S, v5.4S
+ shrn2 \y1\().8H, v22.4S, #ROW_SHIFT
+ sub v20.4S, v20.4S, v18.4S
+ shrn2 \y2\().8H, v21.4S, #ROW_SHIFT
+ shrn2 \y3\().8H, v20.4S, #ROW_SHIFT
+ shrn2 \y4\().8H, v19.4S, #ROW_SHIFT
+
+ trn1 v16.8H, \y1\().8H, \y2\().8H
+ trn2 v17.8H, \y1\().8H, \y2\().8H
+ trn1 v18.8H, \y3\().8H, \y4\().8H
+ trn2 v19.8H, \y3\().8H, \y4\().8H
+ trn1 \y1\().4S, v16.4S, v18.4S
+ trn1 \y2\().4S, v17.4S, v19.4S
+ trn2 \y3\().4S, v16.4S, v18.4S
+ trn2 \y4\().4S, v17.4S, v19.4S
+.endm
+
+.macro declare_idct_col4_neon i, l
+function idct_col4_neon\i
+ dup v23.4H, z4c
+.if \i == 1
+ add v23.4H, v23.4H, v24.4H
+.else
+ mov v5.D[0], v24.D[1]
+ add v23.4H, v23.4H, v5.4H
+.endif
+ smull v23.4S, v23.4H, z4
+
+ idct_col4_top v24, v25, v26, v27, \i, \l
+
+ mov x4, v28.D[\i - 1]
+ mov x5, v29.D[\i - 1]
+ cmp x4, #0
+ b.eq 1f
+
+ smull\i v7.4S, v28\l, z4
+ add v19.4S, v19.4S, v7.4S
+ sub v20.4S, v20.4S, v7.4S
+ sub v21.4S, v21.4S, v7.4S
+ add v22.4S, v22.4S, v7.4S
+
+1: mov x4, v30.D[\i - 1]
+ cmp x5, #0
+ b.eq 2f
+
+ smlal\i v17.4S, v29\l, z5
+ smlsl\i v18.4S, v29\l, z1
+ smlal\i v5.4S, v29\l, z7
+ smlal\i v6.4S, v29\l, z3
+
+2: mov x5, v31.D[\i - 1]
+ cmp x4, #0
+ b.eq 3f
+
+ smull\i v7.4S, v30\l, z6
+ smull\i v16.4S, v30\l, z2
+ add v19.4S, v19.4S, v7.4S
+ sub v22.4S, v22.4S, v7.4S
+ sub v20.4S, v20.4S, v16.4S
+ add v21.4S, v21.4S, v16.4S
+
+3: cmp x5, #0
+ b.eq 4f
+
+ smlal\i v17.4S, v31\l, z7
+ smlsl\i v18.4S, v31\l, z5
+ smlal\i v5.4S, v31\l, z3
+ smlsl\i v6.4S, v31\l, z1
+
+4: addhn v7.4H, v19.4S, v17.4S
+ addhn2 v7.8H, v20.4S, v18.4S
+ subhn v18.4H, v20.4S, v18.4S
+ subhn2 v18.8H, v19.4S, v17.4S
+
+ addhn v16.4H, v21.4S, v5.4S
+ addhn2 v16.8H, v22.4S, v6.4S
+ subhn v17.4H, v22.4S, v6.4S
+ subhn2 v17.8H, v21.4S, v5.4S
+
+ ret
+endfunc
+.endm
+
+declare_idct_col4_neon 1, .4H
+declare_idct_col4_neon 2, .8H
+
+function ff_simple_idct_put_neon, export=1
+ idct_start x2
+
+ idct_row4_neon v24, v25, v26, v27, 1
+ idct_row4_neon v28, v29, v30, v31, 2
+ bl idct_col4_neon1
+
+ sqshrun v1.8B, v7.8H, #COL_SHIFT-16
+ sqshrun2 v1.16B, v16.8H, #COL_SHIFT-16
+ sqshrun v3.8B, v17.8H, #COL_SHIFT-16
+ sqshrun2 v3.16B, v18.8H, #COL_SHIFT-16
+
+ bl idct_col4_neon2
+
+ sqshrun v2.8B, v7.8H, #COL_SHIFT-16
+ sqshrun2 v2.16B, v16.8H, #COL_SHIFT-16
+ sqshrun v4.8B, v17.8H, #COL_SHIFT-16
+ sqshrun2 v4.16B, v18.8H, #COL_SHIFT-16
+
+ zip1 v16.4S, v1.4S, v2.4S
+ zip2 v17.4S, v1.4S, v2.4S
+
+ st1 {v16.D}[0], [x0], x1
+ st1 {v16.D}[1], [x0], x1
+
+ zip1 v18.4S, v3.4S, v4.4S
+ zip2 v19.4S, v3.4S, v4.4S
+
+ st1 {v17.D}[0], [x0], x1
+ st1 {v17.D}[1], [x0], x1
+ st1 {v18.D}[0], [x0], x1
+ st1 {v18.D}[1], [x0], x1
+ st1 {v19.D}[0], [x0], x1
+ st1 {v19.D}[1], [x0], x1
+
+ idct_end
+endfunc
+
+function ff_simple_idct_add_neon, export=1
+ idct_start x2
+
+ idct_row4_neon v24, v25, v26, v27, 1
+ idct_row4_neon v28, v29, v30, v31, 2
+ bl idct_col4_neon1
+
+ sshr v1.8H, v7.8H, #COL_SHIFT-16
+ sshr v2.8H, v16.8H, #COL_SHIFT-16
+ sshr v3.8H, v17.8H, #COL_SHIFT-16
+ sshr v4.8H, v18.8H, #COL_SHIFT-16
+
+ bl idct_col4_neon2
+
+ sshr v7.8H, v7.8H, #COL_SHIFT-16
+ sshr v16.8H, v16.8H, #COL_SHIFT-16
+ sshr v17.8H, v17.8H, #COL_SHIFT-16
+ sshr v18.8H, v18.8H, #COL_SHIFT-16
+
+ mov x9, x0
+ ld1 {v19.D}[0], [x0], x1
+ zip1 v23.2D, v1.2D, v7.2D
+ zip2 v24.2D, v1.2D, v7.2D
+ ld1 {v19.D}[1], [x0], x1
+ zip1 v25.2D, v2.2D, v16.2D
+ zip2 v26.2D, v2.2D, v16.2D
+ ld1 {v20.D}[0], [x0], x1
+ zip1 v27.2D, v3.2D, v17.2D
+ zip2 v28.2D, v3.2D, v17.2D
+ ld1 {v20.D}[1], [x0], x1
+ zip1 v29.2D, v4.2D, v18.2D
+ zip2 v30.2D, v4.2D, v18.2D
+ ld1 {v21.D}[0], [x0], x1
+ uaddw v23.8H, v23.8H, v19.8B
+ uaddw2 v24.8H, v24.8H, v19.16B
+ ld1 {v21.D}[1], [x0], x1
+ sqxtun v23.8B, v23.8H
+ sqxtun2 v23.16B, v24.8H
+ ld1 {v22.D}[0], [x0], x1
+ uaddw v24.8H, v25.8H, v20.8B
+ uaddw2 v25.8H, v26.8H, v20.16B
+ ld1 {v22.D}[1], [x0], x1
+ sqxtun v24.8B, v24.8H
+ sqxtun2 v24.16B, v25.8H
+ st1 {v23.D}[0], [x9], x1
+ uaddw v25.8H, v27.8H, v21.8B
+ uaddw2 v26.8H, v28.8H, v21.16B
+ st1 {v23.D}[1], [x9], x1
+ sqxtun v25.8B, v25.8H
+ sqxtun2 v25.16B, v26.8H
+ st1 {v24.D}[0], [x9], x1
+ uaddw v26.8H, v29.8H, v22.8B
+ uaddw2 v27.8H, v30.8H, v22.16B
+ st1 {v24.D}[1], [x9], x1
+ sqxtun v26.8B, v26.8H
+ sqxtun2 v26.16B, v27.8H
+ st1 {v25.D}[0], [x9], x1
+ st1 {v25.D}[1], [x9], x1
+ st1 {v26.D}[0], [x9], x1
+ st1 {v26.D}[1], [x9], x1
+
+ idct_end
+endfunc
+
+function ff_simple_idct_neon, export=1
+ idct_start x0
+
+ mov x2, x0
+ idct_row4_neon v24, v25, v26, v27, 1
+ idct_row4_neon v28, v29, v30, v31, 2
+ sub x2, x2, #128
+ bl idct_col4_neon1
+
+ sshr v1.8H, v7.8H, #COL_SHIFT-16
+ sshr v2.8H, v16.8H, #COL_SHIFT-16
+ sshr v3.8H, v17.8H, #COL_SHIFT-16
+ sshr v4.8H, v18.8H, #COL_SHIFT-16
+
+ bl idct_col4_neon2
+
+ sshr v7.8H, v7.8H, #COL_SHIFT-16
+ sshr v16.8H, v16.8H, #COL_SHIFT-16
+ sshr v17.8H, v17.8H, #COL_SHIFT-16
+ sshr v18.8H, v18.8H, #COL_SHIFT-16
+
+ zip1 v23.2D, v1.2D, v7.2D
+ zip2 v24.2D, v1.2D, v7.2D
+ st1 {v23.2D,v24.2D}, [x2], #32
+ zip1 v25.2D, v2.2D, v16.2D
+ zip2 v26.2D, v2.2D, v16.2D
+ st1 {v25.2D,v26.2D}, [x2], #32
+ zip1 v27.2D, v3.2D, v17.2D
+ zip2 v28.2D, v3.2D, v17.2D
+ st1 {v27.2D,v28.2D}, [x2], #32
+ zip1 v29.2D, v4.2D, v18.2D
+ zip2 v30.2D, v4.2D, v18.2D
+ st1 {v29.2D,v30.2D}, [x2], #32
+
+ idct_end
+endfunc
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