[FFmpeg-devel] [PATCH] lavc/vvc_mc: R-V V avg w_avg
uk7b at foxmail.com
uk7b at foxmail.com
Thu Jul 18 18:02:33 EEST 2024
From: sunyuechi <sunyuechi at iscas.ac.cn>
C908 X60
avg_8_2x2_c : 1.2 1.2
avg_8_2x2_rvv_i32 : 0.7 0.7
avg_8_2x4_c : 2.0 2.0
avg_8_2x4_rvv_i32 : 1.2 1.0
avg_8_2x8_c : 3.7 4.0
avg_8_2x8_rvv_i32 : 1.7 1.5
avg_8_2x16_c : 7.2 7.5
avg_8_2x16_rvv_i32 : 3.0 2.7
avg_8_2x32_c : 14.5 15.2
avg_8_2x32_rvv_i32 : 5.5 5.0
avg_8_2x64_c : 53.5 42.2
avg_8_2x64_rvv_i32 : 42.0 33.2
avg_8_2x128_c : 93.5 86.0
avg_8_2x128_rvv_i32 : 79.2 74.0
avg_8_4x2_c : 1.7 2.0
avg_8_4x2_rvv_i32 : 1.0 1.0
avg_8_4x4_c : 3.5 3.5
avg_8_4x4_rvv_i32 : 1.2 1.0
avg_8_4x8_c : 6.5 7.0
avg_8_4x8_rvv_i32 : 1.7 1.7
avg_8_4x16_c : 13.5 14.0
avg_8_4x16_rvv_i32 : 3.0 2.5
avg_8_4x32_c : 26.2 27.5
avg_8_4x32_rvv_i32 : 5.7 5.0
avg_8_4x64_c : 79.0 66.5
avg_8_4x64_rvv_i32 : 41.7 34.2
avg_8_4x128_c : 154.0 128.7
avg_8_4x128_rvv_i32 : 80.5 74.5
avg_8_8x2_c : 3.2 3.2
avg_8_8x2_rvv_i32 : 1.0 0.7
avg_8_8x4_c : 6.5 6.5
avg_8_8x4_rvv_i32 : 1.2 1.0
avg_8_8x8_c : 12.5 13.2
avg_8_8x8_rvv_i32 : 2.0 1.7
avg_8_8x16_c : 25.2 26.5
avg_8_8x16_rvv_i32 : 3.2 2.7
avg_8_8x32_c : 50.0 52.7
avg_8_8x32_rvv_i32 : 6.2 4.7
avg_8_8x64_c : 130.0 112.2
avg_8_8x64_rvv_i32 : 44.2 33.5
avg_8_8x128_c : 241.5 226.7
avg_8_8x128_rvv_i32 : 78.7 74.0
avg_8_16x2_c : 6.2 6.5
avg_8_16x2_rvv_i32 : 1.2 0.7
avg_8_16x4_c : 12.2 13.0
avg_8_16x4_rvv_i32 : 1.7 1.0
avg_8_16x8_c : 24.7 25.7
avg_8_16x8_rvv_i32 : 3.0 1.7
avg_8_16x16_c : 49.0 51.5
avg_8_16x16_rvv_i32 : 5.5 3.2
avg_8_16x32_c : 97.7 102.7
avg_8_16x32_rvv_i32 : 10.5 5.5
avg_8_16x64_c : 219.5 223.5
avg_8_16x64_rvv_i32 : 56.7 34.5
avg_8_16x128_c : 409.7 426.0
avg_8_16x128_rvv_i32 : 98.7 73.5
avg_8_32x2_c : 12.5 13.0
avg_8_32x2_rvv_i32 : 1.7 1.0
avg_8_32x4_c : 24.2 25.5
avg_8_32x4_rvv_i32 : 3.0 1.5
avg_8_32x8_c : 48.5 50.7
avg_8_32x8_rvv_i32 : 5.2 2.7
avg_8_32x16_c : 96.5 101.2
avg_8_32x16_rvv_i32 : 10.2 5.0
avg_8_32x32_c : 192.7 202.5
avg_8_32x32_rvv_i32 : 19.7 9.5
avg_8_32x64_c : 433.5 415.5
avg_8_32x64_rvv_i32 : 38.7 18.2
avg_8_32x128_c : 812.0 820.7
avg_8_32x128_rvv_i32 : 145.2 73.0
avg_8_64x2_c : 24.0 25.2
avg_8_64x2_rvv_i32 : 2.7 1.5
avg_8_64x4_c : 48.0 50.5
avg_8_64x4_rvv_i32 : 5.2 2.5
avg_8_64x8_c : 117.5 100.7
avg_8_64x8_rvv_i32 : 10.0 4.7
avg_8_64x16_c : 208.5 201.0
avg_8_64x16_rvv_i32 : 19.0 9.0
avg_8_64x32_c : 382.7 402.0
avg_8_64x32_rvv_i32 : 37.5 17.5
avg_8_64x64_c : 830.0 834.2
avg_8_64x64_rvv_i32 : 75.5 34.5
avg_8_64x128_c : 2008.0 1705.2
avg_8_64x128_rvv_i32 : 205.5 149.2
avg_8_128x2_c : 48.7 51.0
avg_8_128x2_rvv_i32 : 5.2 2.7
avg_8_128x4_c : 96.5 101.2
avg_8_128x4_rvv_i32 : 10.2 4.7
avg_8_128x8_c : 192.2 202.0
avg_8_128x8_rvv_i32 : 19.7 9.5
avg_8_128x16_c : 385.5 403.2
avg_8_128x16_rvv_i32 : 38.7 18.2
avg_8_128x32_c : 788.0 805.7
avg_8_128x32_rvv_i32 : 77.0 36.2
avg_8_128x64_c : 1597.5 1658.0
avg_8_128x64_rvv_i32 : 175.5 78.7
avg_8_128x128_c : 3156.0 3282.5
avg_8_128x128_rvv_i32 : 369.2 276.7
w_avg_8_2x2_c : 1.5 1.5
w_avg_8_2x2_rvv_i32 : 1.2 1.0
w_avg_8_2x4_c : 2.7 2.5
w_avg_8_2x4_rvv_i32 : 1.7 1.7
w_avg_8_2x8_c : 5.0 4.7
w_avg_8_2x8_rvv_i32 : 2.7 2.5
w_avg_8_2x16_c : 9.7 9.5
w_avg_8_2x16_rvv_i32 : 4.7 4.5
w_avg_8_2x32_c : 18.7 18.5
w_avg_8_2x32_rvv_i32 : 9.0 7.7
w_avg_8_2x64_c : 64.0 51.2
w_avg_8_2x64_rvv_i32 : 50.0 38.2
w_avg_8_2x128_c : 107.7 94.0
w_avg_8_2x128_rvv_i32 : 86.2 75.7
w_avg_8_4x2_c : 2.5 2.5
w_avg_8_4x2_rvv_i32 : 1.2 1.0
w_avg_8_4x4_c : 4.7 4.5
w_avg_8_4x4_rvv_i32 : 1.7 1.5
w_avg_8_4x8_c : 9.0 9.0
w_avg_8_4x8_rvv_i32 : 2.7 2.5
w_avg_8_4x16_c : 17.7 17.5
w_avg_8_4x16_rvv_i32 : 5.0 4.2
w_avg_8_4x32_c : 34.7 35.0
w_avg_8_4x32_rvv_i32 : 9.0 8.0
w_avg_8_4x64_c : 103.2 82.0
w_avg_8_4x64_rvv_i32 : 45.7 37.5
w_avg_8_4x128_c : 210.0 164.5
w_avg_8_4x128_rvv_i32 : 86.2 75.7
w_avg_8_8x2_c : 4.5 4.5
w_avg_8_8x2_rvv_i32 : 1.2 1.2
w_avg_8_8x4_c : 8.7 8.5
w_avg_8_8x4_rvv_i32 : 1.7 1.5
w_avg_8_8x8_c : 17.2 17.2
w_avg_8_8x8_rvv_i32 : 3.2 2.5
w_avg_8_8x16_c : 34.0 34.0
w_avg_8_8x16_rvv_i32 : 5.5 4.2
w_avg_8_8x32_c : 67.7 67.7
w_avg_8_8x32_rvv_i32 : 10.7 8.0
w_avg_8_8x64_c : 174.0 145.5
w_avg_8_8x64_rvv_i32 : 50.0 40.0
w_avg_8_8x128_c : 342.2 294.2
w_avg_8_8x128_rvv_i32 : 85.2 75.2
w_avg_8_16x2_c : 8.5 8.5
w_avg_8_16x2_rvv_i32 : 2.0 1.0
w_avg_8_16x4_c : 16.7 17.0
w_avg_8_16x4_rvv_i32 : 3.2 1.7
w_avg_8_16x8_c : 33.2 33.2
w_avg_8_16x8_rvv_i32 : 5.5 3.0
w_avg_8_16x16_c : 66.5 66.7
w_avg_8_16x16_rvv_i32 : 28.2 5.0
w_avg_8_16x32_c : 134.0 133.5
w_avg_8_16x32_rvv_i32 : 20.0 9.5
w_avg_8_16x64_c : 318.2 344.5
w_avg_8_16x64_rvv_i32 : 71.7 41.7
w_avg_8_16x128_c : 718.0 583.0
w_avg_8_16x128_rvv_i32 : 117.5 78.2
w_avg_8_32x2_c : 16.7 16.7
w_avg_8_32x2_rvv_i32 : 3.7 3.2
w_avg_8_32x4_c : 33.2 33.5
w_avg_8_32x4_rvv_i32 : 6.7 6.0
w_avg_8_32x8_c : 65.7 66.0
w_avg_8_32x8_rvv_i32 : 12.5 11.0
w_avg_8_32x16_c : 132.7 133.5
w_avg_8_32x16_rvv_i32 : 24.0 21.5
w_avg_8_32x32_c : 311.5 263.5
w_avg_8_32x32_rvv_i32 : 47.7 42.5
w_avg_8_32x64_c : 592.0 555.5
w_avg_8_32x64_rvv_i32 : 126.5 97.7
w_avg_8_32x128_c : 1179.0 1139.5
w_avg_8_32x128_rvv_i32 : 238.2 180.7
w_avg_8_64x2_c : 32.7 33.0
w_avg_8_64x2_rvv_i32 : 6.0 3.2
w_avg_8_64x4_c : 65.7 66.0
w_avg_8_64x4_rvv_i32 : 11.5 5.7
w_avg_8_64x8_c : 134.0 132.2
w_avg_8_64x8_rvv_i32 : 22.7 11.0
w_avg_8_64x16_c : 281.2 262.5
w_avg_8_64x16_rvv_i32 : 44.2 21.5
w_avg_8_64x32_c : 646.2 570.0
w_avg_8_64x32_rvv_i32 : 88.0 42.5
w_avg_8_64x64_c : 1203.0 1066.7
w_avg_8_64x64_rvv_i32 : 210.7 90.5
w_avg_8_64x128_c : 2688.0 2156.2
w_avg_8_64x128_rvv_i32 : 443.0 214.7
w_avg_8_128x2_c : 65.7 66.0
w_avg_8_128x2_rvv_i32 : 11.2 5.5
w_avg_8_128x4_c : 131.0 133.0
w_avg_8_128x4_rvv_i32 : 22.0 10.2
w_avg_8_128x8_c : 263.5 273.0
w_avg_8_128x8_rvv_i32 : 43.2 20.0
w_avg_8_128x16_c : 525.7 528.0
w_avg_8_128x16_rvv_i32 : 85.5 39.2
w_avg_8_128x32_c : 1064.5 1211.0
w_avg_8_128x32_rvv_i32 : 170.7 78.5
w_avg_8_128x64_c : 2305.5 2350.7
w_avg_8_128x64_rvv_i32 : 400.0 177.5
w_avg_8_128x128_c : 4771.7 4992.7
w_avg_8_128x128_rvv_i32 : 757.5 371.5
---
libavcodec/riscv/vvc/Makefile | 2 +
libavcodec/riscv/vvc/vvc_mc_rvv.S | 288 +++++++++++++++++++++++++++++
libavcodec/riscv/vvc/vvcdsp_init.c | 72 ++++++++
libavcodec/vvc/dsp.c | 4 +-
libavcodec/vvc/dsp.h | 1 +
5 files changed, 366 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/riscv/vvc/Makefile
create mode 100644 libavcodec/riscv/vvc/vvc_mc_rvv.S
create mode 100644 libavcodec/riscv/vvc/vvcdsp_init.c
diff --git a/libavcodec/riscv/vvc/Makefile b/libavcodec/riscv/vvc/Makefile
new file mode 100644
index 0000000000..582b051579
--- /dev/null
+++ b/libavcodec/riscv/vvc/Makefile
@@ -0,0 +1,2 @@
+OBJS-$(CONFIG_VVC_DECODER) += riscv/vvc/vvcdsp_init.o
+RVV-OBJS-$(CONFIG_VVC_DECODER) += riscv/vvc/vvc_mc_rvv.o
diff --git a/libavcodec/riscv/vvc/vvc_mc_rvv.S b/libavcodec/riscv/vvc/vvc_mc_rvv.S
new file mode 100644
index 0000000000..79ad96a2b7
--- /dev/null
+++ b/libavcodec/riscv/vvc/vvc_mc_rvv.S
@@ -0,0 +1,288 @@
+/*
+ * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
+ *
+ * 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/riscv/asm.S"
+
+.macro vsetvlstatic8 w, vlen, max_lmul=m4
+ .if \w == 2 && \vlen == 128
+ vsetivli zero, \w, e8, mf8, ta, ma
+ .elseif \w == 4 && \vlen == 128
+ vsetivli zero, \w, e8, mf4, ta, ma
+ .elseif \w == 8 && \vlen == 128
+ vsetivli zero, \w, e8, mf2, ta, ma
+ .elseif \w == 16 && \vlen == 128
+ vsetivli zero, \w, e8, m1, ta, ma
+ .elseif \w == 32 && \vlen == 128
+ li t0, \w
+ vsetvli zero, t0, e8, m2, ta, ma
+ .elseif \w <= 4 && \vlen == 256
+ vsetivli zero, \w, e8, mf8, ta, ma
+ .elseif \w == 8 && \vlen == 256
+ vsetivli zero, \w, e8, mf4, ta, ma
+ .elseif \w == 16 && \vlen == 256
+ vsetivli zero, \w, e8, mf2, ta, ma
+ .elseif \w == 32 && \vlen == 256
+ li t0, \w
+ vsetvli zero, t0, e8, m1, ta, ma
+ .elseif \w == 64 && \vlen == 256
+ li t0, \w
+ vsetvli zero, t0, e8, m2, ta, ma
+ // (\w <= 128 && \vlen == 128) || (\w == 128 && \vlen == 256)
+ .else
+ li t0, \w
+ vsetvli zero, t0, e8, \max_lmul, ta, ma
+ .endif
+.endm
+
+.macro vsetvlstatic16 w, vlen, max_lmul=m8
+ .if \w == 2 && \vlen == 128
+ vsetivli zero, \w, e16, mf4, ta, ma
+ .elseif \w == 4 && \vlen == 128
+ vsetivli zero, \w, e16, mf2, ta, ma
+ .elseif \w == 8 && \vlen == 128
+ vsetivli zero, \w, e16, m1, ta, ma
+ .elseif \w == 16 && \vlen == 128
+ vsetivli zero, \w, e16, m2, ta, ma
+ .elseif \w == 32 && \vlen == 128
+ li t0, \w
+ vsetvli zero, t0, e16, m4, ta, ma
+ .elseif \w <= 4 && \vlen == 256
+ vsetivli zero, \w, e16, mf4, ta, ma
+ .elseif \w == 8 && \vlen == 256
+ vsetivli zero, \w, e16, mf2, ta, ma
+ .elseif \w == 16 && \vlen == 256
+ vsetivli zero, \w, e16, m1, ta, ma
+ .elseif \w == 32 && \vlen == 256
+ li t0, \w
+ vsetvli zero, t0, e16, m2, ta, ma
+ .elseif \w == 64 && \vlen == 256
+ li t0, \w
+ vsetvli zero, t0, e16, m4, ta, ma
+ // (\w <= 128 && \vlen == 128) || (\w == 128 && \vlen == 256)
+ .else
+ li t0, \w
+ vsetvli zero, t0, e16, \max_lmul, ta, ma
+ .endif
+.endm
+
+.macro vsetvlstatic32 w, vlen
+ .if \w == 2
+ vsetivli zero, \w, e32, mf2, ta, ma
+ .elseif \w == 4 && \vlen == 128
+ vsetivli zero, \w, e32, m1, ta, ma
+ .elseif \w == 8 && \vlen == 128
+ vsetivli zero, \w, e32, m2, ta, ma
+ .elseif \w == 16 && \vlen == 128
+ vsetivli zero, \w, e32, m4, ta, ma
+ .elseif \w == 4 && \vlen == 256
+ vsetivli zero, \w, e32, mf2, ta, ma
+ .elseif \w == 8 && \vlen == 256
+ vsetivli zero, \w, e32, m1, ta, ma
+ .elseif \w == 16 && \vlen == 256
+ vsetivli zero, \w, e32, m2, ta, ma
+ .elseif \w == 32 && \vlen == 256
+ li t0, \w
+ vsetvli zero, t0, e32, m4, ta, ma
+ // (\w <= 128 && \vlen == 128) || (\w <= 128 && \vlen == 256)
+ .else
+ li t0, \w
+ vsetvli zero, t0, e32, m8, ta, ma
+ .endif
+.endm
+
+.macro avg w, vlen, id
+\id\w\vlen:
+.if \w < 128
+ vsetvlstatic16 \w, \vlen
+ addi t0, a2, 128*2
+ addi t1, a3, 128*2
+ add t2, a0, a1
+ vle16.v v0, (a2)
+ vle16.v v8, (a3)
+ addi a5, a5, -2
+ vle16.v v16, (t0)
+ vle16.v v24, (t1)
+ vadd.vv v8, v8, v0
+ vadd.vv v24, v24, v16
+ vmax.vx v8, v8, zero
+ vmax.vx v24, v24, zero
+ vsetvlstatic8 \w, \vlen
+ addi a2, a2, 128*4
+ vnclipu.wi v8, v8, 7
+ vnclipu.wi v24, v24, 7
+ addi a3, a3, 128*4
+ vse8.v v8, (a0)
+ vse8.v v24, (t2)
+ sh1add a0, a1, a0
+.else
+ addi a5, a5, -1
+ mv t1, a0
+ mv t2, a2
+ mv t3, a3
+ mv t4, a4
+1:
+ vsetvli t0, a4, e16, m8, ta, ma
+ sub a4, a4, t0
+ vle16.v v0, (a2)
+ vle16.v v8, (a3)
+ vadd.vv v8, v8, v0
+ vmax.vx v8, v8, zero
+ vsetvli zero, zero, e8, m4, ta, ma
+ vnclipu.wi v8, v8, 7
+ vse8.v v8, (a0)
+ sh1add a2, t0, a2
+ sh1add a3, t0, a3
+ add a0, a0, t0
+ bnez a4, 1b
+ add a0, t1, a1
+ addi a2, t2, 128*2
+ addi a3, t3, 128*2
+ mv a4, t4
+.endif
+ bnez a5, \id\w\vlen\()b
+ ret
+.endm
+
+
+.macro AVG_JMP_TABLE id, vlen
+const jmp_table_\id\vlen
+ .4byte \id\()2\vlen\()f - jmp_table_\id\vlen
+ .4byte \id\()4\vlen\()f - jmp_table_\id\vlen
+ .4byte \id\()8\vlen\()f - jmp_table_\id\vlen
+ .4byte \id\()16\vlen\()f - jmp_table_\id\vlen
+ .4byte \id\()32\vlen\()f - jmp_table_\id\vlen
+ .4byte \id\()64\vlen\()f - jmp_table_\id\vlen
+ .4byte \id\()128\vlen\()f - jmp_table_\id\vlen
+endconst
+.endm
+
+.macro AVG_J vlen, id
+ clz t1, a4
+ neg t1, t1
+ lla t5, jmp_table_\id\vlen
+ sh2add t1, t1, t5
+ lw t1, ((__riscv_xlen-2)<<2)(t1)
+ add t1, t1, t5
+ jr t1
+.endm
+
+.macro func_avg vlen
+func ff_vvc_avg_8_rvv_\vlen\(), zve32x
+ AVG_JMP_TABLE 1, \vlen
+ csrwi vxrm, 0
+ AVG_J \vlen, 1
+ .irp w,2,4,8,16,32,64,128
+ avg \w, \vlen, 1
+ .endr
+endfunc
+.endm
+
+func_avg 128
+func_avg 256
+
+#if (__riscv_xlen == 64)
+.macro w_avg w, vlen, id
+\id\w\vlen:
+.if \w < 32
+ vsetvlstatic16 \w, \vlen, m4
+ addi t0, a2, 128*2
+ addi t1, a3, 128*2
+ vle16.v v0, (a2)
+ vle16.v v8, (a3)
+ addi a5, a5, -2
+ vle16.v v20, (t0)
+ vle16.v v24, (t1)
+ vwmul.vx v16, v0, a7
+ vwmul.vx v28, v20, a7
+ vwmacc.vx v16, t3, v8
+ vwmacc.vx v28, t3, v24
+ vsetvlstatic32 \w, \vlen
+ add t2, a0, a1
+ vadd.vx v16, v16, t4
+ vadd.vx v28, v28, t4
+ vsetvlstatic16 \w, \vlen, m4
+ vnsrl.wx v16, v16, t6
+ vnsrl.wx v28, v28, t6
+ vmax.vx v16, v16, zero
+ vmax.vx v28, v28, zero
+ vsetvlstatic8 \w, \vlen, m2
+ addi a2, a2, 128*4
+ vnclipu.wi v16, v16, 0
+ vnclipu.wi v28, v28, 0
+ vse8.v v16, (a0)
+ addi a3, a3, 128*4
+ vse8.v v28, (t2)
+ sh1add a0, a1, a0
+.else
+ addi a5, a5, -1
+ mv t1, a0
+ mv t2, a2
+ mv t5, a3
+ mv a6, a4
+1:
+ vsetvli t0, a4, e16, m4, ta, ma
+ sub a4, a4, t0
+ vle16.v v0, (a2)
+ vle16.v v8, (a3)
+ vwmul.vx v16, v0, a7
+ vwmacc.vx v16, t3, v8
+ vsetvli zero, zero, e32, m8, ta, ma
+ vadd.vx v16, v16, t4
+ vsetvli zero, zero, e16, m4, ta, ma
+ vnsrl.wx v16, v16, t6
+ vmax.vx v16, v16, zero
+ vsetvli zero, zero, e8, m2, ta, ma
+ vnclipu.wi v16, v16, 0
+ vse8.v v16, (a0)
+ sh1add a2, t0, a2
+ sh1add a3, t0, a3
+ add a0, a0, t0
+ bnez a4, 1b
+ add a0, t1, a1
+ addi a2, t2, 128*2
+ addi a3, t5, 128*2
+ mv a4, a6
+.endif
+ bnez a5, \id\w\vlen\()b
+ ret
+.endm
+
+.macro func_w_avg vlen
+func ff_vvc_w_avg_8_rvv_\vlen\(), zve32x
+ AVG_JMP_TABLE 2, \vlen
+ csrwi vxrm, 0
+ addi t6, a6, 7
+ ld t3, (sp)
+ ld t4, 8(sp)
+ ld t5, 16(sp)
+ addi t4, t4, 1 // o0 + o1 + 1
+ add t4, t4, t5
+ addi t5, t6, -1 // shift - 1
+ sll t4, t4, t5
+ AVG_J \vlen, 2
+ .irp w,2,4,8,16,32,64,128
+ w_avg \w, \vlen, 2
+ .endr
+endfunc
+.endm
+
+func_w_avg 128
+func_w_avg 256
+#endif
diff --git a/libavcodec/riscv/vvc/vvcdsp_init.c b/libavcodec/riscv/vvc/vvcdsp_init.c
new file mode 100644
index 0000000000..9819a7c570
--- /dev/null
+++ b/libavcodec/riscv/vvc/vvcdsp_init.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
+ *
+ * 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 "config.h"
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/riscv/cpu.h"
+#include "libavcodec/vvc/dsp.h"
+
+#define bf(fn, bd, opt) fn##_##bd##_##opt
+
+#define AVG_PROTOTYPES(bd, opt) \
+void bf(ff_vvc_avg, bd, opt)(uint8_t *dst, ptrdiff_t dst_stride, \
+ const int16_t *src0, const int16_t *src1, int width, int height); \
+void bf(ff_vvc_w_avg, bd, opt)(uint8_t *dst, ptrdiff_t dst_stride, \
+ const int16_t *src0, const int16_t *src1, int width, int height, \
+ int denom, int w0, int w1, int o0, int o1);
+
+AVG_PROTOTYPES(8, rvv_128)
+AVG_PROTOTYPES(8, rvv_256)
+
+void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
+{
+#if HAVE_RVV
+ const int flags = av_get_cpu_flags();
+ int vlenb = ff_get_rv_vlenb();
+
+ if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR) &&
+ vlenb >= 32) {
+ switch (bd) {
+ case 8:
+ c->inter.avg = ff_vvc_avg_8_rvv_256;
+# if (__riscv_xlen == 64)
+ c->inter.w_avg = ff_vvc_w_avg_8_rvv_256;
+# endif
+ break;
+ default:
+ break;
+ }
+ } else if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR) &&
+ vlenb >= 16) {
+ switch (bd) {
+ case 8:
+ c->inter.avg = ff_vvc_avg_8_rvv_128;
+# if (__riscv_xlen == 64)
+ c->inter.w_avg = ff_vvc_w_avg_8_rvv_128;
+# endif
+ break;
+ default:
+ break;
+ }
+ }
+#endif
+}
diff --git a/libavcodec/vvc/dsp.c b/libavcodec/vvc/dsp.c
index 41e830a98a..c55a37d255 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_RISCV
+ ff_vvc_dsp_init_riscv(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..e03236dd76 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_riscv(VVCDSPContext *hpc, const int bit_depth);
void ff_vvc_dsp_init_x86(VVCDSPContext *hpc, const int bit_depth);
#endif /* AVCODEC_VVC_DSP_H */
--
2.45.2
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