From: Zhao Zhili <zhiliz...@tencent.com>

vvc_alf_filter_chroma_4x4_8_c: 3.0
vvc_alf_filter_chroma_4x4_8_neon: 1.0
vvc_alf_filter_chroma_4x4_10_c: 2.7
vvc_alf_filter_chroma_4x4_10_neon: 1.0
vvc_alf_filter_chroma_4x4_12_c: 2.7
vvc_alf_filter_chroma_4x4_12_neon: 1.0
vvc_alf_filter_chroma_8x8_8_c: 10.2
vvc_alf_filter_chroma_8x8_8_neon: 3.0
vvc_alf_filter_chroma_8x8_10_c: 10.0
vvc_alf_filter_chroma_8x8_10_neon: 2.5
vvc_alf_filter_chroma_8x8_12_c: 10.0
vvc_alf_filter_chroma_8x8_12_neon: 2.5
vvc_alf_filter_chroma_16x16_8_c: 41.7
vvc_alf_filter_chroma_16x16_8_neon: 11.2
vvc_alf_filter_chroma_16x16_10_c: 39.0
vvc_alf_filter_chroma_16x16_10_neon: 10.0
vvc_alf_filter_chroma_16x16_12_c: 40.2
vvc_alf_filter_chroma_16x16_12_neon: 10.2
vvc_alf_filter_chroma_32x32_8_c: 162.0
vvc_alf_filter_chroma_32x32_8_neon: 45.0
vvc_alf_filter_chroma_32x32_10_c: 155.5
vvc_alf_filter_chroma_32x32_10_neon: 39.5
vvc_alf_filter_chroma_32x32_12_c: 155.5
vvc_alf_filter_chroma_32x32_12_neon: 40.0
vvc_alf_filter_chroma_64x64_8_c: 646.0
vvc_alf_filter_chroma_64x64_8_neon: 175.5
vvc_alf_filter_chroma_64x64_10_c: 708.2
vvc_alf_filter_chroma_64x64_10_neon: 166.7
vvc_alf_filter_chroma_64x64_12_c: 619.2
vvc_alf_filter_chroma_64x64_12_neon: 157.2
vvc_alf_filter_chroma_128x128_8_c: 2611.5
vvc_alf_filter_chroma_128x128_8_neon: 698.2
vvc_alf_filter_chroma_128x128_10_c: 2470.0
vvc_alf_filter_chroma_128x128_10_neon: 616.0
vvc_alf_filter_chroma_128x128_12_c: 2531.5
vvc_alf_filter_chroma_128x128_12_neon: 620.2
vvc_alf_filter_luma_8x8_8_c: 25.2
vvc_alf_filter_luma_8x8_8_neon: 4.2
vvc_alf_filter_luma_8x8_10_c: 18.5
vvc_alf_filter_luma_8x8_10_neon: 4.0
vvc_alf_filter_luma_8x8_12_c: 19.0
vvc_alf_filter_luma_8x8_12_neon: 4.0
vvc_alf_filter_luma_16x16_8_c: 106.5
vvc_alf_filter_luma_16x16_8_neon: 16.2
vvc_alf_filter_luma_16x16_10_c: 75.2
vvc_alf_filter_luma_16x16_10_neon: 14.7
vvc_alf_filter_luma_16x16_12_c: 79.7
vvc_alf_filter_luma_16x16_12_neon: 14.7
vvc_alf_filter_luma_32x32_8_c: 400.5
vvc_alf_filter_luma_32x32_8_neon: 63.2
vvc_alf_filter_luma_32x32_10_c: 299.2
vvc_alf_filter_luma_32x32_10_neon: 57.7
vvc_alf_filter_luma_32x32_12_c: 299.2
vvc_alf_filter_luma_32x32_12_neon: 57.7
vvc_alf_filter_luma_64x64_8_c: 1602.5
vvc_alf_filter_luma_64x64_8_neon: 251.7
vvc_alf_filter_luma_64x64_10_c: 1197.0
vvc_alf_filter_luma_64x64_10_neon: 235.5
vvc_alf_filter_luma_64x64_12_c: 1220.2
vvc_alf_filter_luma_64x64_12_neon: 235.7
vvc_alf_filter_luma_128x128_8_c: 6570.2
vvc_alf_filter_luma_128x128_8_neon: 1007.7
vvc_alf_filter_luma_128x128_10_c: 4822.7
vvc_alf_filter_luma_128x128_10_neon: 936.2
vvc_alf_filter_luma_128x128_12_c: 4791.2
vvc_alf_filter_luma_128x128_12_neon: 938.5

Signed-off-by: Zhao Zhili <zhiliz...@tencent.com>
---
 libavcodec/aarch64/vvc/Makefile       |   5 +
 libavcodec/aarch64/vvc/alf.S          | 293 ++++++++++++++++++++++++++
 libavcodec/aarch64/vvc/alf_template.c | 157 ++++++++++++++
 libavcodec/aarch64/vvc/dsp_init.c     |  57 +++++
 libavcodec/vvc/dsp.c                  |   4 +-
 libavcodec/vvc/dsp.h                  |   1 +
 6 files changed, 516 insertions(+), 1 deletion(-)
 create mode 100644 libavcodec/aarch64/vvc/Makefile
 create mode 100644 libavcodec/aarch64/vvc/alf.S
 create mode 100644 libavcodec/aarch64/vvc/alf_template.c
 create mode 100644 libavcodec/aarch64/vvc/dsp_init.c

diff --git a/libavcodec/aarch64/vvc/Makefile b/libavcodec/aarch64/vvc/Makefile
new file mode 100644
index 0000000000..58398d6e3d
--- /dev/null
+++ b/libavcodec/aarch64/vvc/Makefile
@@ -0,0 +1,5 @@
+clean::
+       $(RM) $(CLEANSUFFIXES:%=libavcodec/aarch64/vvc/%)
+
+OBJS-$(CONFIG_VVC_DECODER)                             += 
aarch64/vvc/dsp_init.o
+NEON-OBJS-$(CONFIG_VVC_DECODER)                        += aarch64/vvc/alf.o
diff --git a/libavcodec/aarch64/vvc/alf.S b/libavcodec/aarch64/vvc/alf.S
new file mode 100644
index 0000000000..beb36ac66b
--- /dev/null
+++ b/libavcodec/aarch64/vvc/alf.S
@@ -0,0 +1,293 @@
+/*
+ * Copyright (c) 2024 Zhao Zhili <quinkbl...@foxmail.com>
+ *
+ * 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"
+
+.macro alf_luma_filter_pixel index, pix_size, addr1, addr2, offset1, offset2
+    .if \pix_size == 1
+        ldur            d3, [\addr1, #\offset1]
+        ldur            d4, [\addr2, #\offset2]
+        uxtl            v6.8h, v3.8b
+        uxtl            v7.8h, v4.8b
+    .else
+        ldur            q6, [\addr1, #(2*\offset1)]
+        ldur            q7, [\addr2, #(2*\offset2)]
+    .endif
+    .if \index < 8
+        dup             v17.4h, v0.h[\index]        // clip
+        dup             v18.4h, v16.h[\index]       // -clip
+        dup             v19.4h, v1.h[\index]        // filter
+
+        dup             v26.4h, v22.h[\index]       // clip
+        dup             v27.4h, v23.h[\index]       // -clip
+        dup             v28.4h, v24.h[\index]       // filter
+    .else
+        dup             v17.4h, v0.h[\index - 8]    // clip
+        dup             v18.4h, v16.h[\index - 8]   // -clip
+        dup             v19.4h, v1.h[\index - 8]    // filter
+
+        dup             v26.4h, v22.h[\index - 8]   // clip
+        dup             v27.4h, v23.h[\index - 8]   // -clip
+        dup             v28.4h, v24.h[\index - 8]   // filter
+    .endif
+        ins             v17.d[1], v26.d[0]
+        ins             v18.d[1], v27.d[0]
+        ins             v19.d[1], v28.d[0]
+
+        sub             v6.8h, v6.8h, v5.8h
+        sub             v7.8h, v7.8h, v5.8h
+        smin            v6.8h, v6.8h, v17.8h
+        smin            v7.8h, v7.8h, v17.8h
+        smax            v6.8h, v6.8h, v18.8h
+        smax            v7.8h, v7.8h, v18.8h
+        add             v6.8h, v6.8h, v7.8h
+        smlal           v20.4s, v19.4h, v6.4h       // v20: sum
+        smlal2          v21.4s, v19.8h, v6.8h       // v21: sum
+.endm
+
+/* x0: dst
+ * x1: pp
+ * x2: filter
+ * x3: clip
+ * w4: is_near_vb
+ * w5: pix_max
+ */
+.macro alf_filter_luma_kernel, pix_size
+        dst             .req x0
+        pp              .req x1
+        filter          .req x2
+        clip            .req x3
+        is_near_vb      .req w4
+        pix_max         .req w5
+    .if \pix_size > 1
+        dup             v25.8h, pix_max             // pix_max
+    .endif
+        ldr             q0, [clip]                  // clip
+        ldr             q1, [filter]                // filter
+        ldr             q22, [clip, #24]            // clip
+        ldr             q24, [filter, #24]          // filter
+
+        ldr             x5, [pp]                    // x5: p0
+        ldr             x6, [pp, #(5*8)]            // x6: p5
+        ldr             x7, [pp, #(6*8)]            // x7: p6
+        neg             v16.8h, v0.8h               // -clip
+        neg             v23.8h, v22.8h              // -clip
+
+    .if \pix_size == 1
+        ldr             d2, [x5]                    // curr
+    .else
+        ldr             q5, [x5]                    // curr
+    .endif
+        movi            v20.4s, 64
+        cbz             is_near_vb, 1f
+        shl             v20.4s, v20.4s, #3
+1:
+    .if \pix_size == 1
+        uxtl            v5.8h, v2.8b
+    .endif
+        mov             v21.16b, v20.16b
+        ldr             x8, [pp, #(3*8)]            // p3
+        ldr             x9, [pp, #(4*8)]            // p4
+        alf_luma_filter_pixel 0, \pix_size, x6, x7, 0, 0
+
+        ldr             x6, [pp, #(1*8)]            // p1
+        ldr             x7, [pp, #(2*8)]            // p2
+        alf_luma_filter_pixel 1, \pix_size, x8, x9, 1, -1
+        alf_luma_filter_pixel 2, \pix_size, x8, x9, 0, 0
+        alf_luma_filter_pixel 3, \pix_size, x8, x9, -1, 1
+
+        alf_luma_filter_pixel 4, \pix_size, x6, x7, 2, -2
+        alf_luma_filter_pixel 5, \pix_size, x6, x7, 1, -1
+        alf_luma_filter_pixel 6, \pix_size, x6, x7, 0, 0
+        alf_luma_filter_pixel 7, \pix_size, x6, x7, -1, 1
+
+        ldr             d0, [clip, #16]             // clip
+        ldr             d1, [filter, #16]           // filter
+        neg             v16.4h, v0.4h               // -clip
+
+        ldr             d22, [clip, #40]            // clip
+        ldr             d24, [filter, #40]          // filter
+        neg             v23.4h, v22.4h              // -clip
+        alf_luma_filter_pixel 8, \pix_size, x6, x7, -2, 2
+        alf_luma_filter_pixel 9, \pix_size, x5, x5, 3, -3
+        alf_luma_filter_pixel 10, \pix_size, x5, x5, 2, -2
+        alf_luma_filter_pixel 11, \pix_size, x5, x5, 1, -1
+
+        cbz             is_near_vb, 2f
+        sshr            v20.4s, v20.4s, #10
+        sshr            v21.4s, v21.4s, #10
+        b               3f
+2:
+        sshr            v20.4s, v20.4s, #7
+        sshr            v21.4s, v21.4s, #7
+3:
+        uxtl            v22.4s, v5.4h
+        uxtl2           v23.4s, v5.8h
+        add             v20.4s, v20.4s, v22.4s
+        add             v21.4s, v21.4s, v23.4s
+        sqxtun          v20.4h, v20.4s
+        sqxtun2         v20.8h, v21.4s
+    .if \pix_size == 1
+        sqxtun          v20.8b, v20.8h
+        str             d20, [dst]
+    .else
+        smin            v20.8h, v20.8h, v25.8h
+        str             q20, [dst]
+    .endif
+        ret
+
+        .unreq          dst
+        .unreq          pp
+        .unreq          filter
+        .unreq          clip
+        .unreq          is_near_vb
+        .unreq          pix_max
+.endm
+
+.macro alf_chroma_filter_pixel index, pix_size, addr1, addr2, offset1, offset2
+    .if \pix_size == 1
+        ldur            s3, [\addr1, #\offset1]
+        ldur            s4, [\addr2, #\offset2]
+        uxtl            v6.8h, v3.8b
+        uxtl            v7.8h, v4.8b
+    .else
+        ldur            d6, [\addr1, #(2*\offset1)]
+        ldur            d7, [\addr2, #(2*\offset2)]
+    .endif
+    .if \index < 8
+        dup             v17.4h, v0.h[\index]        // v17: clip[0]
+        dup             v18.4h, v16.h[\index]       // v18: -clip[0]
+        dup             v19.4h, v1.h[\index]        // v19: filter[0]
+    .else
+        dup             v17.4h, v0.h[\index - 8]    // v17: clip[0]
+        dup             v18.4h, v16.h[\index - 8]   // v18: -clip[0]
+        dup             v19.4h, v1.h[\index - 8]    // v19: filter[0]
+    .endif
+
+        sub             v6.4h, v6.4h, v5.4h
+        sub             v7.4h, v7.4h, v5.4h
+        smin            v6.4h, v6.4h, v17.4h
+        smin            v7.4h, v7.4h, v17.4h
+        smax            v6.4h, v6.4h, v18.4h
+        smax            v7.4h, v7.4h, v18.4h
+        add             v6.4h, v6.4h, v7.4h
+        smlal           v20.4s, v19.4h, v6.4h       // v20: sum
+.endm
+
+/* x0: dst
+ * x1: pp
+ * x2: filter
+ * x3: clip
+ * w4: is_near_vb
+ * w5: pix_max
+ */
+.macro alf_filter_chroma_kernel, pix_size
+        dst             .req x0
+        pp              .req x1
+        filter          .req x2
+        clip            .req x3
+        is_near_vb      .req w4
+        pix_max         .req w5
+    .if \pix_size > 1
+        dup             v25.4h, pix_max             // pix_max
+    .endif
+        ldr             q0, [clip]                  // clip
+        ldr             q1, [filter]                // filter
+        ldr             x5, [pp]                    // p0
+        ldr             x6, [pp, #(3*8)]            // p3
+        ldr             x7, [pp, #(4*8)]            // p4
+        neg             v16.8h, v0.8h               // -clip
+
+    .if \pix_size == 1
+        ldr             s2, [x5]                    // curr
+    .else
+        ldr             d5, [x5]                    // curr
+    .endif
+        movi            v20.4s, 64
+        cbz             is_near_vb, 1f
+        shl             v20.4s, v20.4s, #3
+1:
+    .if \pix_size == 1
+        uxtl            v5.8h, v2.8b
+    .endif
+        ldr             x8, [pp, #(1*8)]            // p1
+        ldr             x9, [pp, #(2*8)]            // p2
+        alf_chroma_filter_pixel 0, \pix_size, x6, x7, 0, 0
+        alf_chroma_filter_pixel 1, \pix_size, x8, x9, 1, -1
+        alf_chroma_filter_pixel 2, \pix_size, x8, x9, 0, 0
+        alf_chroma_filter_pixel 3, \pix_size, x8, x9, -1, 1
+        alf_chroma_filter_pixel 4, \pix_size, x5, x5, 2, -2
+        alf_chroma_filter_pixel 5, \pix_size, x5, x5, 1, -1
+
+        uxtl            v22.4s, v5.4h
+        cbz             is_near_vb, 2f
+        sshr            v20.4s, v20.4s, #10
+        b               3f
+2:
+        sshr            v20.4s, v20.4s, #7
+3:
+        add             v20.4s, v20.4s, v22.4s
+        sqxtun          v20.4h, v20.4s
+    .if \pix_size == 1
+        sqxtun          v20.8b, v20.8h
+        str             s20, [dst]
+    .else
+        smin            v20.4h, v20.4h, v25.4h
+        str             d20, [dst]
+    .endif
+        ret
+
+        .unreq          dst
+        .unreq          pp
+        .unreq          filter
+        .unreq          clip
+        .unreq          is_near_vb
+        .unreq          pix_max
+.endm
+
+function ff_alf_filter_luma_kernel_8_neon, export=1
+        alf_filter_luma_kernel  1
+endfunc
+
+function ff_alf_filter_luma_kernel_12_neon, export=1
+        mov             w5, 4095
+        b               1f
+endfunc
+
+function ff_alf_filter_luma_kernel_10_neon, export=1
+        mov             w5, 1023
+1:
+        alf_filter_luma_kernel  2
+endfunc
+
+function ff_alf_filter_chroma_kernel_8_neon, export=1
+        alf_filter_chroma_kernel  1
+endfunc
+
+function ff_alf_filter_chroma_kernel_12_neon, export=1
+        mov             w5, 4095
+        b               1f
+endfunc
+
+function ff_alf_filter_chroma_kernel_10_neon, export=1
+        mov             w5, 1023
+1:
+        alf_filter_chroma_kernel  2
+endfunc
diff --git a/libavcodec/aarch64/vvc/alf_template.c 
b/libavcodec/aarch64/vvc/alf_template.c
new file mode 100644
index 0000000000..b1927966d2
--- /dev/null
+++ b/libavcodec/aarch64/vvc/alf_template.c
@@ -0,0 +1,157 @@
+/*
+ * VVC filters DSP
+ *
+ * Copyright (C) 2024 Zhao Zhili
+ *
+ * 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 "libavcodec/bit_depth_template.c"
+
+void FUNC2(ff_alf_filter_luma_kernel, BIT_DEPTH, _neon)(pixel *dst,
+                                            const pixel **p,
+                                            const int16_t *filter,
+                                            const int16_t *clip,
+                                            int is_near_vb);
+
+void FUNC2(ff_alf_filter_chroma_kernel, BIT_DEPTH, _neon)(pixel *dst,
+                                            const pixel **p,
+                                            const int16_t *filter,
+                                            const int16_t *clip,
+                                            int is_near_vb);
+
+static void FUNC2(alf_filter_luma, BIT_DEPTH, _neon)(uint8_t *_dst,
+                                            ptrdiff_t dst_stride,
+                                            const uint8_t *_src,
+                                            ptrdiff_t src_stride,
+                                            const int width, const int height,
+                                            const int16_t *filter,
+                                            const int16_t *clip,
+                                            const int vb_pos)
+{
+    const pixel *src    = (pixel *)_src;
+
+    dst_stride /= sizeof(pixel);
+    src_stride /= sizeof(pixel);
+
+    for (int y = 0; y < height; y += ALF_BLOCK_SIZE) {
+        int far = (y + 3 < vb_pos - 3) || (y > vb_pos + 2);
+
+        for (int x = 0; x < width; x += 2 * ALF_BLOCK_SIZE) {
+            const pixel *s0 = src + y * src_stride + x;
+            const pixel *s1 = s0 + src_stride;
+            const pixel *s2 = s0 - src_stride;
+            const pixel *s3 = s1 + src_stride;
+            const pixel *s4 = s2 - src_stride;
+            const pixel *s5 = s3 + src_stride;
+            const pixel *s6 = s4 - src_stride;
+
+            for (int i = 0; i < ALF_BLOCK_SIZE; i++) {
+                pixel *dst = (pixel *) _dst + (y + i) * dst_stride + x;
+
+                const pixel *p0 = s0 + i * src_stride;
+                const pixel *p1 = s1 + i * src_stride;
+                const pixel *p2 = s2 + i * src_stride;
+                const pixel *p3 = s3 + i * src_stride;
+                const pixel *p4 = s4 + i * src_stride;
+                const pixel *p5 = s5 + i * src_stride;
+                const pixel *p6 = s6 + i * src_stride;
+                int is_near_vb = 0;
+
+                if (!far) {
+                    is_near_vb = (y + i == vb_pos - 1) || (y + i == vb_pos);
+                    if (is_near_vb) {
+                        p1 = p0;
+                        p2 = p0;
+                    }
+                    if (y + i >= vb_pos - 2 && y + i <= vb_pos + 1) {
+                        p3 = p1;
+                        p4 = p2;
+                    }
+                    if (y + i >= vb_pos - 3 && y + i <= vb_pos + 2) {
+                        p5 = p3;
+                        p6 = p4;
+                    }
+                }
+                FUNC2(ff_alf_filter_luma_kernel, BIT_DEPTH, _neon)(dst,
+                           (const pixel *[]) { p0, p1, p2, p3, p4, p5, p6},
+                           filter,
+                           clip,
+                           is_near_vb);
+            }
+            filter += 2 * ALF_NUM_COEFF_LUMA;
+            clip += 2 * ALF_NUM_COEFF_LUMA;
+        }
+    }
+}
+
+static void FUNC2(alf_filter_chroma, BIT_DEPTH, _neon)(uint8_t *_dst,
+                                                         ptrdiff_t dst_stride,
+                                                         const uint8_t *_src,
+                                                         ptrdiff_t src_stride,
+                                                         const int width,
+                                                         const int height,
+                                                         const int16_t *filter,
+                                                         const int16_t *clip,
+                                                         const int vb_pos)
+{
+    const pixel *src = (pixel *)_src;
+
+    dst_stride /= sizeof(pixel);
+    src_stride /= sizeof(pixel);
+
+    for (int y = 0; y < height; y += ALF_BLOCK_SIZE) {
+        int far = (y + 3 < vb_pos - 2) || (y > vb_pos + 1);
+
+        for (int x = 0; x < width; x += ALF_BLOCK_SIZE) {
+            const pixel *s0 = src + y * src_stride + x;
+            const pixel *s1 = s0 + src_stride;
+            const pixel *s2 = s0 - src_stride;
+            const pixel *s3 = s1 + src_stride;
+            const pixel *s4 = s2 - src_stride;
+
+            for (int i = 0; i < ALF_BLOCK_SIZE; i++) {
+                pixel *dst = (pixel *)_dst + (y + i) * dst_stride + x;
+
+                const pixel *p0 = s0 + i * src_stride;
+                const pixel *p1 = s1 + i * src_stride;
+                const pixel *p2 = s2 + i * src_stride;
+                const pixel *p3 = s3 + i * src_stride;
+                const pixel *p4 = s4 + i * src_stride;
+                int is_near_vb = 0;
+
+                if (!far) {
+                    is_near_vb = (y + i == vb_pos - 1) || (y + i == vb_pos);
+                    if (is_near_vb) {
+                        p1 = p0;
+                        p2 = p0;
+                    }
+
+                    if (y + i >= vb_pos - 2 && y + i <= vb_pos + 1) {
+                        p3 = p1;
+                        p4 = p2;
+                    }
+                }
+
+                FUNC2(ff_alf_filter_chroma_kernel, BIT_DEPTH, _neon)(dst,
+                             (const pixel *[]){p0, p1, p2, p3, p4},
+                             filter, clip,
+                             is_near_vb);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/libavcodec/aarch64/vvc/dsp_init.c 
b/libavcodec/aarch64/vvc/dsp_init.c
new file mode 100644
index 0000000000..926e16f70a
--- /dev/null
+++ b/libavcodec/aarch64/vvc/dsp_init.c
@@ -0,0 +1,57 @@
+/*
+ * VVC filters DSP
+ *
+ * Copyright (C) 2024 Zhao Zhili
+ *
+ * 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/cpu.h"
+#include "libavutil/aarch64/cpu.h"
+#include "libavcodec/vvc/dsp.h"
+#include "libavcodec/vvc/dec.h"
+#include "libavcodec/vvc/ctu.h"
+
+#define BIT_DEPTH 8
+#include "alf_template.c"
+#undef BIT_DEPTH
+
+#define BIT_DEPTH 10
+#include "alf_template.c"
+#undef BIT_DEPTH
+
+#define BIT_DEPTH 12
+#include "alf_template.c"
+#undef BIT_DEPTH
+
+void ff_vvc_dsp_init_aarch64(VVCDSPContext *const c, const int bd)
+{
+    int cpu_flags = av_get_cpu_flags();
+    if (!have_neon(cpu_flags))
+        return;
+
+    if (bd == 8) {
+        c->alf.filter[LUMA] = alf_filter_luma_8_neon;
+        c->alf.filter[CHROMA] = alf_filter_chroma_8_neon;
+    } else if (bd == 10) {
+        c->alf.filter[LUMA] = alf_filter_luma_10_neon;
+        c->alf.filter[CHROMA] = alf_filter_chroma_10_neon;
+    } else if (bd == 12) {
+        c->alf.filter[LUMA] = alf_filter_luma_12_neon;
+        c->alf.filter[CHROMA] = alf_filter_chroma_12_neon;
+    }
+}
\ No newline at end of file
diff --git a/libavcodec/vvc/dsp.c b/libavcodec/vvc/dsp.c
index 41e830a98a..648d54ebb2 100644
--- a/libavcodec/vvc/dsp.c
+++ b/libavcodec/vvc/dsp.c
@@ -121,7 +121,9 @@ void ff_vvc_dsp_init(VVCDSPContext *vvcdsp, int bit_depth)
         break;
     }
 
-#if ARCH_X86
+#if ARCH_AARCH64
+    ff_vvc_dsp_init_aarch64(vvcdsp, bit_depth);
+#elif ARCH_X86
     ff_vvc_dsp_init_x86(vvcdsp, bit_depth);
 #endif
 }
diff --git a/libavcodec/vvc/dsp.h b/libavcodec/vvc/dsp.h
index 1f14096c41..0b49b97021 100644
--- a/libavcodec/vvc/dsp.h
+++ b/libavcodec/vvc/dsp.h
@@ -180,6 +180,7 @@ typedef struct VVCDSPContext {
 
 void ff_vvc_dsp_init(VVCDSPContext *hpc, int bit_depth);
 
+void ff_vvc_dsp_init_aarch64(VVCDSPContext *hpc, const int bit_depth);
 void ff_vvc_dsp_init_x86(VVCDSPContext *hpc, const int bit_depth);
 
 #endif /* AVCODEC_VVC_DSP_H */
-- 
2.42.0

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