lavc/llauddsp: R-V V scalarproduct_and_madd_int16

scalarproduct_and_madd_int16_c:      10355.7
scalarproduct_and_madd_int16_rvv_i32: 1480.0
This commit is contained in:
Rémi Denis-Courmont 2023-11-12 21:56:32 +02:00
parent 6720a509a7
commit 45d0eb3f70
5 changed files with 90 additions and 0 deletions

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@ -63,6 +63,8 @@ av_cold void ff_llauddsp_init(LLAudDSPContext *c)
ff_llauddsp_init_arm(c);
#elif ARCH_PPC
ff_llauddsp_init_ppc(c);
#elif ARCH_RISCV
ff_llauddsp_init_riscv(c);
#elif ARCH_X86
ff_llauddsp_init_x86(c);
#endif

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@ -46,6 +46,7 @@ typedef struct LLAudDSPContext {
void ff_llauddsp_init(LLAudDSPContext *c);
void ff_llauddsp_init_arm(LLAudDSPContext *c);
void ff_llauddsp_init_ppc(LLAudDSPContext *c);
void ff_llauddsp_init_riscv(LLAudDSPContext *c);
void ff_llauddsp_init_x86(LLAudDSPContext *c);
#endif /* AVCODEC_LOSSLESS_AUDIODSP_H */

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@ -24,6 +24,8 @@ OBJS-$(CONFIG_HUFFYUV_DECODER) += riscv/huffyuvdsp_init.o
RVV-OBJS-$(CONFIG_HUFFYUV_DECODER) += riscv/huffyuvdsp_rvv.o
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-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_init.o
RVV-OBJS-$(CONFIG_OPUS_DECODER) += riscv/opusdsp_rvv.o
OBJS-$(CONFIG_PIXBLOCKDSP) += riscv/pixblockdsp_init.o \

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@ -0,0 +1,40 @@
/*
* 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_audiodsp.h"
int32_t ff_scalarproduct_and_madd_int16_rvv(int16_t *v1, const int16_t *v2,
const int16_t *v3, int len,
int mul);
av_cold void ff_llauddsp_init_riscv(LLAudDSPContext *c)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_rvv;
}
#endif
}

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@ -0,0 +1,45 @@
/*
* 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_scalarproduct_and_madd_int16_rvv, zve32x
vsetvli t0, zero, e32, m8, ta, ma
vmv.v.x v0, zero
1:
vsetvli t0, a3, e16, m4, tu, ma
vle16.v v8, (a0)
sub a3, a3, t0
vle16.v v16, (a1)
sh1add a1, t0, a1
vwmacc.vv v0, v8, v16
vle16.v v24, (a2)
sh1add a2, t0, a2
vmacc.vx v8, a4, v24
vse16.v v8, (a0)
sh1add a0, t0, a0
bnez a3, 1b
vsetvli t0, zero, e32, m8, ta, ma
vmv.s.x v8, zero
vredsum.vs v0, v0, v8
vmv.x.s a0, v0
ret
endfunc