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lavc/llviddsp: R-V V add_bytes

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add_bytes_c:      2077.2
add_bytes_rvv_i32: 105.0
This commit is contained in:
Rémi Denis-Courmont 2023-11-15 22:34:26 +02:00
parent ca664f2254
commit fbc7adba67
5 changed files with 79 additions and 0 deletions
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2
libavcodec/lossless_videodsp.c
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@ -121,6 +121,8 @@ void ff_llviddsp_init(LLVidDSPContext *c)
#if ARCH_PPC
ff_llviddsp_init_ppc(c);
#elif ARCH_RISCV
ff_llviddsp_init_riscv(c);
#elif ARCH_X86
ff_llviddsp_init_x86(c);
#endif

1
libavcodec/lossless_videodsp.h
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@ -40,6 +40,7 @@ typedef struct LLVidDSPContext {
} LLVidDSPContext;
void ff_llviddsp_init(LLVidDSPContext *llviddsp);
void ff_llviddsp_init_riscv(LLVidDSPContext *llviddsp);
void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp);
void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp);

2
libavcodec/riscv/Makefile
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@ -28,6 +28,8 @@ OBJS-$(CONFIG_IDCTDSP) += riscv/idctdsp_init.o
RVV-OBJS-$(CONFIG_IDCTDSP) += riscv/idctdsp_rvv.o
OBJS-$(CONFIG_LLAUDDSP) += riscv/llauddsp_init.o
RVV-OBJS-$(CONFIG_LLAUDDSP) += riscv/llauddsp_rvv.o
OBJS-$(CONFIG_LLVIDDSP) += riscv/llviddsp_init.o
RVV-OBJS-$(CONFIG_LLVIDDSP) += riscv/llviddsp_rvv.o
OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_init.o
RVV-OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_rvv.o
OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o \

38
libavcodec/riscv/llviddsp_init.c Normal file
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@ -0,0 +1,38 @@
/*
* Copyright © 2023 Rémi Denis-Courmont.
*
* 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/lossless_videodsp.h"
void ff_llvid_add_bytes_rvv(uint8_t *, uint8_t *src, ptrdiff_t w);
av_cold void ff_llviddsp_init_riscv(LLVidDSPContext *c)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_RVV_I32) {
c->add_bytes = ff_llvid_add_bytes_rvv;
}
#endif
}

36
libavcodec/riscv/llviddsp_rvv.S Normal file
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@ -0,0 +1,36 @@
/*
* Copyright © 2023 Rémi Denis-Courmont.
*
* 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_llvid_add_bytes_rvv, zve32x
1:
vsetvli t0, a2, e8, m8, ta, ma
vle8.v v0, (a1)
sub a2, a2, t0
vle8.v v8, (a0)
add a1, t0, a1
vadd.vv v8, v0, v8
vse8.v v8, (a0)
add a0, t0, a0
bnez a2, 1b
ret
endfunc