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Code Issues Releases Activity

lavc/blockdsp: R-V V clear_block

Browse Source 
C908:
blockdsp.clear_block_c: 47.2
blockdsp.clear_block_rvv_i64: 28.5

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
This commit is contained in:
sunyuechi 2024-02-01 15:12:49 +08:00 committed by Rémi Denis-Courmont
parent 7bf1b9b357
commit 0748d2bbc7
5 changed files with 73 additions and 0 deletions
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2
libavcodec/blockdsp.c
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@ -69,6 +69,8 @@ av_cold void ff_blockdsp_init(BlockDSPContext *c)
ff_blockdsp_init_arm(c);
#elif ARCH_PPC
ff_blockdsp_init_ppc(c);
#elif ARCH_RISCV
ff_blockdsp_init_riscv(c);
#elif ARCH_X86
ff_blockdsp_init_x86(c);
#elif ARCH_MIPS

1
libavcodec/blockdsp.h
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@ -41,6 +41,7 @@ void ff_blockdsp_init(BlockDSPContext *c);
void ff_blockdsp_init_alpha(BlockDSPContext *c);
void ff_blockdsp_init_arm(BlockDSPContext *c);
void ff_blockdsp_init_ppc(BlockDSPContext *c);
void ff_blockdsp_init_riscv(BlockDSPContext *c);
void ff_blockdsp_init_x86(BlockDSPContext *c);
void ff_blockdsp_init_mips(BlockDSPContext *c);

2
libavcodec/riscv/Makefile
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@ -10,6 +10,8 @@ RVV-OBJS-$(CONFIG_ALAC_DECODER) += riscv/alacdsp_rvv.o
OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_init.o
RV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvf.o
RVV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvv.o
OBJS-$(CONFIG_BLOCKDSP) += riscv/blockdsp_init.o
RVV-OBJS-$(CONFIG_BLOCKDSP) += riscv/blockdsp_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

39
libavcodec/riscv/blockdsp_init.c Normal file
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@ -0,0 +1,39 @@
/*
* 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/blockdsp.h"
void ff_clear_block_rvv(int16_t *block);
av_cold void ff_blockdsp_init_riscv(BlockDSPContext *c)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_RVV_I64 && ff_get_rv_vlenb() >= 16) {
c->clear_block = ff_clear_block_rvv;
}
#endif
}

29
libavcodec/riscv/blockdsp_rvv.S Normal file
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@ -0,0 +1,29 @@
/*
* 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"
func ff_clear_block_rvv, zve64x
vsetivli zero, 16, e64, m8, ta, ma
vmv.v.i v0, 0
vse64.v v0, (a0)
ret
endfunc