2024-06-04 19:57:33 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright © 2024 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_bgr24ToY_rvv, zve32x
|
|
|
|
|
lw t1, 8(a5) # BY
|
|
|
|
|
lw t3, 0(a5) # RY
|
|
|
|
|
j 1f
|
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
|
|
func ff_rgb24ToY_rvv, zve32x
|
|
|
|
|
lw t1, 0(a5) # RY
|
|
|
|
|
lw t3, 8(a5) # BY
|
|
|
|
|
1:
|
|
|
|
|
lw t2, 4(a5) # GY
|
|
|
|
|
li t4, (32 << (15 - 1)) + (1 << (15 - 7))
|
|
|
|
|
2:
|
|
|
|
|
vsetvli t0, a4, e32, m8, ta, ma
|
|
|
|
|
vlseg3e8.v v0, (a1)
|
|
|
|
|
sub a4, a4, t0
|
|
|
|
|
vzext.vf4 v8, v0
|
|
|
|
|
sh1add t5, t0, t0 # t1 = 3 * t0
|
|
|
|
|
vzext.vf4 v16, v2
|
|
|
|
|
vzext.vf4 v24, v4
|
|
|
|
|
add a1, t5, a1
|
|
|
|
|
vmul.vx v8, v8, t1
|
|
|
|
|
vmacc.vx v8, t2, v16
|
|
|
|
|
vmacc.vx v8, t3, v24
|
|
|
|
|
vadd.vx v8, v8, t4
|
|
|
|
|
vsetvli zero, zero, e16, m4, ta, ma
|
|
|
|
|
vnsra.wi v0, v8, 15 - 6
|
|
|
|
|
vse16.v v0, (a0)
|
|
|
|
|
sh1add a0, t0, a0
|
|
|
|
|
bnez a4, 2b
|
|
|
|
|
|
|
|
|
|
ret
|
|
|
|
|
endfunc
|
2024-06-05 15:36:42 +00:00
|
|
|
|
|
|
|
|
func ff_bgr24ToUV_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_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)) + (1 << (15 - 7))
|
|
|
|
|
2:
|
|
|
|
|
vsetvli t0, a5, e32, m8, ta, ma
|
|
|
|
|
vlseg3e8.v v0, (a3)
|
|
|
|
|
sub a5, a5, t0
|
|
|
|
|
vzext.vf4 v16, v0
|
|
|
|
|
sh1add a6, t0, t0
|
|
|
|
|
vzext.vf4 v24, v2
|
|
|
|
|
vmul.vx v8, v16, t1
|
|
|
|
|
add a3, a6, a3
|
|
|
|
|
vmul.vx v16, v16, t4
|
|
|
|
|
vmacc.vx v8, t2, v24
|
|
|
|
|
vmacc.vx v16, t5, v24
|
|
|
|
|
vzext.vf4 v24, v4
|
|
|
|
|
vadd.vx v8, v8, a7
|
|
|
|
|
vadd.vx v16, v16, a7
|
|
|
|
|
vmacc.vx v8, t3, v24
|
|
|
|
|
vmacc.vx v16, t6, v24
|
|
|
|
|
vsetvli zero, zero, e16, m4, ta, ma
|
|
|
|
|
vnsra.wi v0, v8, 15 - 6
|
|
|
|
|
vnsra.wi v4, v16, 15 - 6
|
|
|
|
|
vse16.v v0, (a0)
|
|
|
|
|
sh1add a0, t0, a0
|
|
|
|
|
vse16.v v4, (a1)
|
|
|
|
|
sh1add a1, t0, a1
|
|
|
|
|
bnez a5, 2b
|
|
|
|
|
|
|
|
|
|
ret
|
|
|
|
|
endfunc
|
2024-06-05 16:32:31 +00:00
|
|
|
|
|
|
|
|
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
|
