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

lavc/flacdsp: R-V V decorrelate_indep 32-bit packed

Browse Source 
flac_decorrelate_indep2_32_c:       981.7
flac_decorrelate_indep2_32_rvv_i32: 183.7
flac_decorrelate_indep4_32_c:      1749.7
flac_decorrelate_indep4_32_rvv_i32: 362.5
flac_decorrelate_indep6_32_c:      2517.7
flac_decorrelate_indep6_32_rvv_i32: 715.2
flac_decorrelate_indep8_32_c:      3285.7
flac_decorrelate_indep8_32_rvv_i32: 909.0
release/7.0
Rémi Denis-Courmont 1 year ago
parent 6183a69c0b
commit fb0295e5fd
2 changed files with 154 additions and 0 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. 22
      libavcodec/riscv/flacdsp_init.c
  2. 132
      libavcodec/riscv/flacdsp_rvv.S

22
libavcodec/riscv/flacdsp_init.c
Unescape View File

@ -30,6 +30,14 @@ void ff_flac_decorrelate_rs_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_ms_16_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep2_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep4_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep6_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_indep8_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_ls_32_rvv(uint8_t **out, int32_t **in,
int channels, int len, int shift);
void ff_flac_decorrelate_rs_32_rvv(uint8_t **out, int32_t **in,
@ -51,6 +59,20 @@ av_cold void ff_flacdsp_init_riscv(FLACDSPContext *c, enum AVSampleFormat fmt,
c->decorrelate[3] = ff_flac_decorrelate_ms_16_rvv;
break;
case AV_SAMPLE_FMT_S32:
switch (channels) {
case 2:
c->decorrelate[0] = ff_flac_decorrelate_indep2_32_rvv;
break;
case 4:
c->decorrelate[0] = ff_flac_decorrelate_indep4_32_rvv;
break;
case 6:
c->decorrelate[0] = ff_flac_decorrelate_indep6_32_rvv;
break;
case 8:
c->decorrelate[0] = ff_flac_decorrelate_indep8_32_rvv;
break;
}
c->decorrelate[1] = ff_flac_decorrelate_ls_32_rvv;
c->decorrelate[2] = ff_flac_decorrelate_rs_32_rvv;
c->decorrelate[3] = ff_flac_decorrelate_ms_32_rvv;

132
libavcodec/riscv/flacdsp_rvv.S
Unescape View File

@ -95,6 +95,138 @@ func ff_flac_decorrelate_ms_16_rvv, zve32x
ret
endfunc
func ff_flac_decorrelate_indep2_32_rvv, zve32x
ld a0, (a0)
ld a2, 8(a1)
ld a1, (a1)
1:
vsetvli t0, a3, e32, m4, ta, ma
vle32.v v0, (a1)
sub a3, a3, t0
vle32.v v4, (a2)
sh2add a1, t0, a1
vsll.vx v0, v0, a4
sh2add a2, t0, a2
vsll.vx v4, v4, a4
vsseg2e32.v v0, (a0)
sh3add a0, t0, a0
bnez a3, 1b
ret
endfunc
func ff_flac_decorrelate_indep4_32_rvv, zve32x
ld a0, (a0)
ld a2, 8(a1)
ld t1, 16(a1)
ld t2, 24(a1)
ld a1, (a1)
1:
vsetvli t0, a3, e32, m2, ta, ma
vle32.v v0, (a1)
sub a3, a3, t0
vle32.v v2, (a2)
sh2add a1, t0, a1
vsll.vx v0, v0, a4
sh2add a2, t0, a2
vle32.v v4, (t1)
sh2add t1, t0, t1
vsll.vx v2, v2, a4
vle32.v v6, (t2)
sh2add t2, t0, t2
vsll.vx v4, v4, a4
slli t0, t0, 4
vsll.vx v6, v6, a4
vsseg4e32.v v0, (a0)
add a0, t0, a0
bnez a3, 1b
ret
endfunc
func ff_flac_decorrelate_indep6_32_rvv, zve32x
ld a0, (a0)
ld a2, 8(a1)
ld t1, 16(a1)
ld t2, 24(a1)
ld t3, 32(a1)
ld t4, 40(a1)
ld a1, (a1)
1:
vsetvli t0, a3, e32, m1, ta, ma
vle32.v v0, (a1)
sub a3, a3, t0
vle32.v v1, (a2)
sh2add a1, t0, a1
vsll.vx v0, v0, a4
sh2add a2, t0, a2
vle32.v v2, (t1)
sh2add t1, t0, t1
vsll.vx v1, v1, a4
vle32.v v3, (t2)
sh2add t2, t0, t2
vsll.vx v2, v2, a4
vle32.v v4, (t3)
sh2add t3, t0, t3
vsll.vx v3, v3, a4
vle32.v v5, (t4)
sh2add t4, t0, t4
vsll.vx v4, v4, a4
slli t0, t0, 3
vsll.vx v5, v5, a4
sh1add t0, t0, t0 // t0 *= 3
vsseg6e32.v v0, (a0)
add a0, t0, a0
bnez a3, 1b
ret
endfunc
func ff_flac_decorrelate_indep8_32_rvv, zve32x
ld a0, (a0)
ld a2, 8(a1)
ld t1, 16(a1)
ld t2, 24(a1)
ld t3, 32(a1)
ld t4, 40(a1)
ld t5, 48(a1)
ld t6, 56(a1)
ld a1, (a1)
1:
vsetvli t0, a3, e32, m1, ta, ma
vle32.v v0, (a1)
sub a3, a3, t0
vle32.v v1, (a2)
sh2add a1, t0, a1
vsll.vx v0, v0, a4
vle32.v v2, (t1)
sh2add a2, t0, a2
vsll.vx v1, v1, a4
sh2add t1, t0, t1
vle32.v v3, (t2)
vsll.vx v2, v2, a4
sh2add t2, t0, t2
vle32.v v4, (t3)
sh2add t3, t0, t3
vsll.vx v3, v3, a4
vle32.v v5, (t4)
sh2add t4, t0, t4
vsll.vx v4, v4, a4
vle32.v v6, (t5)
sh2add t5, t0, t5
vsll.vx v5, v5, a4
vle32.v v7, (t6)
sh2add t6, t0, t6
vsll.vx v6, v6, a4
slli t0, t0, 5
vsll.vx v7, v7, a4
vsseg8e32.v v0, (a0)
add a0, t0, a0
bnez a3, 1b
ret
endfunc
func ff_flac_decorrelate_ls_32_rvv, zve32x
ld a0, (a0)
ld a2, 8(a1)

Write Preview
Loading…
Cancel
Save