From 6fe4dbe9af39af50a1bf2069e91dfa542d83fee3 Mon Sep 17 00:00:00 2001 From: sunyuechi Date: Wed, 20 Dec 2023 16:28:33 +0800 Subject: [PATCH 3/3] lavc/dnxhdenc: R-V V get_pixels_8x4_sym C908: get_pixels_8x4_sym_c: 297.2 get_pixels_8x4_sym_rvv_i64: 52.7 --- libavcodec/dnxhdenc.c | 4 ++- libavcodec/dnxhdenc.h | 1 + libavcodec/riscv/Makefile | 2 ++ libavcodec/riscv/dnxenc_init.c | 41 ++++++++++++++++++++++++++++ libavcodec/riscv/dnxenc_rvv.S | 50 ++++++++++++++++++++++++++++++++++ 5 files changed, 97 insertions(+), 1 deletion(-) create mode 100644 libavcodec/riscv/dnxenc_init.c create mode 100644 libavcodec/riscv/dnxenc_rvv.S diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c index 1ac8116f53..8dbda5eea1 100644 --- a/libavcodec/dnxhdenc.c +++ b/libavcodec/dnxhdenc.c @@ -1379,7 +1379,9 @@ const FFCodec ff_dnxhd_encoder = { }; void ff_dnxhdenc_init(DNXHDEncContext *ctx) { -#if ARCH_X86 +#if ARCH_RISCV + ff_dnxhdenc_init_riscv(ctx); +#elif ARCH_X86 ff_dnxhdenc_init_x86(ctx); #endif } diff --git a/libavcodec/dnxhdenc.h b/libavcodec/dnxhdenc.h index 95aea83d28..3ed1451431 100644 --- a/libavcodec/dnxhdenc.h +++ b/libavcodec/dnxhdenc.h @@ -112,6 +112,7 @@ typedef struct DNXHDEncContext { } DNXHDEncContext; void ff_dnxhdenc_init(DNXHDEncContext *ctx); +void ff_dnxhdenc_init_riscv(DNXHDEncContext *ctx); void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx); #endif /* AVCODEC_DNXHDENC_H */ diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile index aa758eba1c..35ad149326 100644 --- a/libavcodec/riscv/Makefile +++ b/libavcodec/riscv/Makefile @@ -13,6 +13,8 @@ RVV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvv.o OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_init.o RV-OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_rvb.o RVV-OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_rvv.o +OBJS-$(CONFIG_DNXHD_ENCODER) += riscv/dnxenc_init.o +RVV-OBJS-$(CONFIG_DNXHD_ENCODER) += riscv/dnxenc_rvv.o OBJS-$(CONFIG_EXR_DECODER) += riscv/exrdsp_init.o RVV-OBJS-$(CONFIG_EXR_DECODER) += riscv/exrdsp_rvv.o OBJS-$(CONFIG_FLAC_DECODER) += riscv/flacdsp_init.o diff --git a/libavcodec/riscv/dnxenc_init.c b/libavcodec/riscv/dnxenc_init.c new file mode 100644 index 0000000000..43bd61afd4 --- /dev/null +++ b/libavcodec/riscv/dnxenc_init.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2023 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 "libavcodec/dnxhdenc.h" + +void ff_get_pixels_8x4_sym_rvv(int16_t *block, const uint8_t *pixels, + ptrdiff_t line_size); + +av_cold void ff_dnxhdenc_init_riscv(DNXHDEncContext *ctx) +{ +#if HAVE_RVV + int flags = av_get_cpu_flags(); + + if (flags & AV_CPU_FLAG_RVV_I64) { + if (ctx->cid_table->bit_depth == 8) { + ctx->get_pixels_8x4_sym = ff_get_pixels_8x4_sym_rvv; + } + } +#endif +} diff --git a/libavcodec/riscv/dnxenc_rvv.S b/libavcodec/riscv/dnxenc_rvv.S new file mode 100644 index 0000000000..f287a05575 --- /dev/null +++ b/libavcodec/riscv/dnxenc_rvv.S @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2023 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" + +func ff_get_pixels_8x4_sym_rvv, zve64x + vsetivli zero, 8, e8, mf2, ta, ma + vlse64.v v16, (a1), a2 + li t0, 8 * 8 + vsetvli zero, t0, e16, m4, ta, ma + vzext.vf2 v8, v16 + vse16.v v8, (a0) + vsetivli zero, 2, e64, m1, ta, ma + addi a0, a0, 32*2 + li a2, 8*2 + sub a1, a0, a2 + vle64.v v0, (a1) + vse64.v v0, (a0) + sub a1, a1, a2 + vle64.v v0, (a1) + add a0, a0, a2 + vse64.v v0, (a0) + sub a1, a1, a2 + vle64.v v0, (a1) + add a0, a0, a2 + vse64.v v0, (a0) + sub a1, a1, a2 + vle64.v v0, (a1) + add a0, a0, a2 + vse64.v v0, (a0) + + ret +endfunc -- 2.43.0