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sws/input: R-V V rgb24ToUV_half and bgr24ToUV_half 

T-Head C908:
rgb24_to_uv_half_4_c:           2.0
rgb24_to_uv_half_4_rvv_i32:     3.5
rgb24_to_uv_half_64_c:         27.0
rgb24_to_uv_half_64_rvv_i32:   12.5
rgb24_to_uv_half_540_c:       223.7
rgb24_to_uv_half_540_rvv_i32: 105.2
rgb24_to_uv_half_640_c:       265.5
rgb24_to_uv_half_640_rvv_i32: 123.7
rgb24_to_uv_half_960_c:       414.5
rgb24_to_uv_half_960_rvv_i32: 249.5

SpacemiT X60:
rgb24_to_uv_half_4_c:           1.7
rgb24_to_uv_half_4_rvv_i32:     4.2
rgb24_to_uv_half_64_c:         24.0
rgb24_to_uv_half_64_rvv_i32:    8.7
rgb24_to_uv_half_540_c:       199.2
rgb24_to_uv_half_540_rvv_i32:  72.5
rgb24_to_uv_half_640_c:       235.7
rgb24_to_uv_half_640_rvv_i32:  85.2
rgb24_to_uv_half_960_c:       353.5
rgb24_to_uv_half_960_rvv_i32: 127.5
This commit is contained in:
Rémi Denis-Courmont 2024-06-05 19:32:31 +03:00
parent 3ef5867e4b
commit e0f4d185f1
2 changed files with 62 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
libswscale/riscv/input_rvv.S
View File

@ -99,3 +99,53 @@ func ff_rgb24ToUV_rvv, zve32x
ret
endfunc
func ff_bgr24ToUV_half_rvv, zve32x
lw t1, 20(a6) # BU
lw t4, 32(a6) # BV
lw t3, 12(a6) # RU
lw t6, 24(a6) # RV
j 1f
endfunc
func ff_rgb24ToUV_half_rvv, zve32x
lw t1, 12(a6) # RU
lw t4, 24(a6) # RV
lw t3, 20(a6) # BU
lw t6, 32(a6) # BV
1:
lw t2, 16(a6) # GU
lw t5, 28(a6) # GV
li a7, (256 << 15) + (1 << (15 - 6))
2:
vsetvli t0, a5, e8, m1, ta, ma
vlseg6e8.v v0, (a3)
sh1add a6, t0, t0
vwaddu.vv v8, v0, v3
sub a5, a5, t0
vwaddu.vv v10, v1, v4
sh1add a3, a6, a3
vwaddu.vv v12, v2, v5
vsetvli zero, zero, e32, m4, ta, ma
vzext.vf2 v20, v8
vzext.vf2 v24, v10
vzext.vf2 v28, v12
vmul.vx v0, v20, t1
vmul.vx v4, v20, t4
vmacc.vx v0, t2, v24
vmacc.vx v4, t5, v24
vmacc.vx v0, t3, v28
vmacc.vx v4, t6, v28
vadd.vx v0, v0, a7
vadd.vx v4, v4, a7
vsetvli zero, zero, e16, m2, ta, ma
vnsra.wi v0, v0, 15 - 5
vnsra.wi v2, v4, 15 - 5
vse16.v v0, (a0)
sh1add a0, t0, a0
vse16.v v2, (a1)
sh1add a1, t0, a1
bnez a5, 2b
ret
endfunc

14
libswscale/riscv/swscale.c
View File

@ -25,10 +25,16 @@ void ff_bgr24ToY_rvv(uint8_t *dst, const uint8_t *src, const uint8_t *,
const uint8_t *, int width, uint32_t *coeffs, void *);
void ff_bgr24ToUV_rvv(uint8_t *, uint8_t *, const uint8_t *, const uint8_t *,
const uint8_t *, int width, uint32_t *coeffs, void *);
void ff_bgr24ToUV_half_rvv(uint8_t *, uint8_t *, const uint8_t *,
const uint8_t *, const uint8_t *, int width,
uint32_t *coeffs, void *);
void ff_rgb24ToY_rvv(uint8_t *dst, const uint8_t *src, const uint8_t *,
const uint8_t *, int width, uint32_t *coeffs, void *);
void ff_rgb24ToUV_rvv(uint8_t *, uint8_t *, const uint8_t *, const uint8_t *,
const uint8_t *, int width, uint32_t *coeffs, void *);
void ff_rgb24ToUV_half_rvv(uint8_t *, uint8_t *, const uint8_t *,
const uint8_t *, const uint8_t *, int width,
uint32_t *coeffs, void *);
av_cold void ff_sws_init_swscale_riscv(SwsContext *c)
{
@ -39,13 +45,17 @@ av_cold void ff_sws_init_swscale_riscv(SwsContext *c)
switch (c->srcFormat) {
case AV_PIX_FMT_BGR24:
c->lumToYV12 = ff_bgr24ToY_rvv;
if (!c->chrSrcHSubSample)
if (c->chrSrcHSubSample)
c->chrToYV12 = ff_bgr24ToUV_half_rvv;
else
c->chrToYV12 = ff_bgr24ToUV_rvv;
break;
case AV_PIX_FMT_RGB24:
c->lumToYV12 = ff_rgb24ToY_rvv;
if (!c->chrSrcHSubSample)
if (c->chrSrcHSubSample)
c->chrToYV12 = ff_rgb24ToUV_half_rvv;
else
c->chrToYV12 = ff_rgb24ToUV_rvv;
break;
}