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Stefan Westerfeld
ffmpeg
Commits
66a03f40
Commit
66a03f40
authored
Sep 28, 2022
by
Rémi Denis-Courmont
Committed by
Lynne
Sep 30, 2022
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sws/rgb2rgb: RISC-V V shuffle_bytes_xxxx functions
parent
e5f6918c
Changes
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5 changed files
with
130 additions
and
0 deletions
+130
-0
rgb2rgb.c
libswscale/rgb2rgb.c
+2
-0
rgb2rgb.h
libswscale/rgb2rgb.h
+1
-0
Makefile
libswscale/riscv/Makefile
+2
-0
rgb2rgb.c
libswscale/riscv/rgb2rgb.c
+47
-0
rgb2rgb_rvv.S
libswscale/riscv/rgb2rgb_rvv.S
+78
-0
No files found.
libswscale/rgb2rgb.c
View file @
66a03f40
...
...
@@ -139,6 +139,8 @@ av_cold void ff_sws_rgb2rgb_init(void)
rgb2rgb_init_c
();
#if ARCH_AARCH64
rgb2rgb_init_aarch64
();
#elif ARCH_RISCV
rgb2rgb_init_riscv
();
#elif ARCH_X86
rgb2rgb_init_x86
();
#elif ARCH_LOONGARCH64
...
...
libswscale/rgb2rgb.h
View file @
66a03f40
...
...
@@ -167,6 +167,7 @@ extern void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const u
void
ff_sws_rgb2rgb_init
(
void
);
void
rgb2rgb_init_aarch64
(
void
);
void
rgb2rgb_init_riscv
(
void
);
void
rgb2rgb_init_x86
(
void
);
void
rgb2rgb_init_loongarch
(
void
);
...
...
libswscale/riscv/Makefile
0 → 100644
View file @
66a03f40
OBJS
+=
riscv/rgb2rgb.o
RVV-OBJS
+=
riscv/rgb2rgb_rvv.o
libswscale/riscv/rgb2rgb.c
0 → 100644
View file @
66a03f40
/*
* Copyright © 2022 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 <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libswscale/rgb2rgb.h"
void
ff_shuffle_bytes_0321_rvv
(
const
uint8_t
*
src
,
uint8_t
*
dst
,
int
src_len
);
void
ff_shuffle_bytes_2103_rvv
(
const
uint8_t
*
src
,
uint8_t
*
dst
,
int
src_len
);
void
ff_shuffle_bytes_1230_rvv
(
const
uint8_t
*
src
,
uint8_t
*
dst
,
int
src_len
);
void
ff_shuffle_bytes_3012_rvv
(
const
uint8_t
*
src
,
uint8_t
*
dst
,
int
src_len
);
void
ff_shuffle_bytes_3210_rvv
(
const
uint8_t
*
src
,
uint8_t
*
dst
,
int
src_len
);
av_cold
void
rgb2rgb_init_riscv
(
void
)
{
#if HAVE_RVV
int
flags
=
av_get_cpu_flags
();
if
(
flags
&
AV_CPU_FLAG_RVV_I32
)
{
shuffle_bytes_0321
=
ff_shuffle_bytes_0321_rvv
;
shuffle_bytes_2103
=
ff_shuffle_bytes_2103_rvv
;
shuffle_bytes_1230
=
ff_shuffle_bytes_1230_rvv
;
shuffle_bytes_3012
=
ff_shuffle_bytes_3012_rvv
;
shuffle_bytes_3210
=
ff_shuffle_bytes_3210_rvv
;
}
#endif
}
libswscale/riscv/rgb2rgb_rvv.S
0 → 100644
View file @
66a03f40
/*
* Copyright © 2022 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_shuffle_bytes_0321_rvv, zve32x
addi t1, a0, 3
addi t2, a0, 2
addi t3, a0, 1
1:
srai a2, a2, 2
li t4, 4
2:
vsetvli t0, a2, e8, m1, ta, ma
sub a2, a2, t0
vlse8.v v8, (a0), t4
sh2add a0, t0, a0
vlse8.v v9, (t1), t4
sh2add t1, t0, t1
vlse8.v v10, (t2), t4
sh2add t2, t0, t2
vlse8.v v11, (t3), t4
sh2add t3, t0, t3
vsseg4e8.v v8, (a1)
sh2add a1, t0, a1
bnez a2, 2b
ret
endfunc
func ff_shuffle_bytes_2103_rvv, zve32x
addi t1, a0, 1
addi t2, a0, 0
addi t3, a0, 3
addi a0, a0, 2
j 1b
endfunc
func ff_shuffle_bytes_1230_rvv, zve32x
addi t1, a0, 2
addi t2, a0, 3
addi t3, a0, 0
addi a0, a0, 1
j 1b
endfunc
func ff_shuffle_bytes_3012_rvv, zve32x
addi t1, a0, 0
addi t2, a0, 1
addi t3, a0, 2
addi a0, a0, 3
j 1b
endfunc
func ff_shuffle_bytes_3210_rvv, zve32x
addi t1, a0, 2
addi t2, a0, 1
addi t3, a0, 0
addi a0, a0, 3
j 1b
endfunc
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