Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

lavc/vc1dsp: R-V V mspel_pixels

Browse Source 
C908 X60
vc1dsp.avg_vc1_mspel_pixels_tab[0][0]_c            :  14.7 13.2
vc1dsp.avg_vc1_mspel_pixels_tab[0][0]_rvv_i32      :   2.5  2.2
vc1dsp.avg_vc1_mspel_pixels_tab[1][0]_c            :   3.7  3.5
vc1dsp.avg_vc1_mspel_pixels_tab[1][0]_rvv_i64      :   1.0  1.2
vc1dsp.put_vc1_mspel_pixels_tab[0][0]_c            :   9.0  8.0
vc1dsp.put_vc1_mspel_pixels_tab[0][0]_rvi          :   1.0  1.0
vc1dsp.put_vc1_mspel_pixels_tab[1][0]_c            :   2.5  2.2
vc1dsp.put_vc1_mspel_pixels_tab[1][0]_rvi          :   0.5  0.5

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
release/7.1
sunyuechi 8 months ago committed by Rémi Denis-Courmont
parent 7b47099bc0
commit d4083ecb7c
4 changed files with 111 additions and 1 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 1
      libavcodec/riscv/Makefile
  2. 16
      libavcodec/riscv/vc1dsp_init.c
  3. 47
      libavcodec/riscv/vc1dsp_rvi.S
  4. 48
      libavcodec/riscv/vc1dsp_rvv.S

1
libavcodec/riscv/Makefile
Unescape View File

@ -58,6 +58,7 @@ RVV-OBJS-$(CONFIG_TAK_DECODER) += riscv/takdsp_rvv.o
OBJS-$(CONFIG_UTVIDEO_DECODER) += riscv/utvideodsp_init.o
RVV-OBJS-$(CONFIG_UTVIDEO_DECODER) += riscv/utvideodsp_rvv.o
OBJS-$(CONFIG_VC1DSP) += riscv/vc1dsp_init.o
RV-OBJS-$(CONFIG_VC1DSP) += riscv/vc1dsp_rvi.o
RVV-OBJS-$(CONFIG_VC1DSP) += riscv/vc1dsp_rvv.o
OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_init.o
RV-OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_rvi.o

16
libavcodec/riscv/vc1dsp_init.c
Unescape View File

@ -29,19 +29,33 @@ void ff_vc1_inv_trans_8x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block
void ff_vc1_inv_trans_4x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_8x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_4x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_put_pixels16x16_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
void ff_put_pixels8x8_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
void ff_avg_pixels16x16_rvv(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
void ff_avg_pixels8x8_rvv(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
av_cold void ff_vc1dsp_init_riscv(VC1DSPContext *dsp)
{
#if HAVE_RVV
#if HAVE_RV
int flags = av_get_cpu_flags();
# if __riscv_xlen >= 64
if (flags & AV_CPU_FLAG_RVI) {
dsp->put_vc1_mspel_pixels_tab[1][0] = ff_put_pixels8x8_rvi;
dsp->put_vc1_mspel_pixels_tab[0][0] = ff_put_pixels16x16_rvi;
}
# endif
#if HAVE_RVV
if (flags & AV_CPU_FLAG_RVV_I32 && ff_rv_vlen_least(128)) {
dsp->vc1_inv_trans_4x8_dc = ff_vc1_inv_trans_4x8_dc_rvv;
dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_rvv;
dsp->avg_vc1_mspel_pixels_tab[0][0] = ff_avg_pixels16x16_rvv;
if (flags & AV_CPU_FLAG_RVV_I64) {
dsp->vc1_inv_trans_8x8_dc = ff_vc1_inv_trans_8x8_dc_rvv;
dsp->vc1_inv_trans_8x4_dc = ff_vc1_inv_trans_8x4_dc_rvv;
dsp->avg_vc1_mspel_pixels_tab[1][0] = ff_avg_pixels8x8_rvv;
}
}
#endif
#endif
}

47
libavcodec/riscv/vc1dsp_rvi.S
Unescape View File

@ -0,0 +1,47 @@
/*
* 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"
#if __riscv_xlen >= 64
func ff_put_pixels8x8_rvi
.rept 8
ld t0, (a1)
sd t0, (a0)
add a1, a1, a2
add a0, a0, a2
.endr
ret
endfunc
func ff_put_pixels16x16_rvi
.rept 16
ld t0, (a1)
ld t1, 8(a1)
sd t0, (a0)
sd t1, 8(a0)
add a1, a1, a2
add a0, a0, a2
.endr
ret
endfunc
#endif

48
libavcodec/riscv/vc1dsp_rvv.S
Unescape View File

@ -111,3 +111,51 @@ func ff_vc1_inv_trans_4x4_dc_rvv, zve32x
vsse32.v v0, (a0), a1
ret
endfunc
.macro mspel_op op pos n1 n2
add t1, \pos, a2
v\op\()e8.v v\n1, (\pos)
sh1add \pos, a2, \pos
v\op\()e8.v v\n2, (t1)
.endm
.macro mspel_op_all op pos a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16
mspel_op \op \pos \a1 \a2
mspel_op \op \pos \a3 \a4
mspel_op \op \pos \a5 \a6
mspel_op \op \pos \a7 \a8
mspel_op \op \pos \a9 \a10
mspel_op \op \pos \a11 \a12
mspel_op \op \pos \a13 \a14
mspel_op \op \pos \a15 \a16
.endm
func ff_avg_pixels16x16_rvv, zve32x
csrwi vxrm, 0
vsetivli zero, 16, e8, m1, ta, ma
mspel_op_all l a1 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
mspel_op_all l a0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
vsetvli t0, zero, e8, m8, ta, ma
sub a0, a0, a2
vaaddu.vv v0, v0, v16
neg a2, a2
vaaddu.vv v8, v8, v24
vsetivli zero, 16, e8, m1, ta, ma
mspel_op_all s a0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ret
endfunc
func ff_avg_pixels8x8_rvv, zve64x
csrwi vxrm, 0
li t0, 64
vsetivli zero, 8, e8, mf2, ta, ma
vlse64.v v16, (a1), a2
vlse64.v v8, (a0), a2
vsetvli zero, t0, e8, m4, ta, ma
vaaddu.vv v16, v16, v8
vsetivli zero, 8, e8, mf2, ta, ma
vsse64.v v16, (a0), a2
ret
endfunc

Write Preview
Loading…
Cancel
Save