mirror of https://git.ffmpeg.org/ffmpeg.git
286 lines
10 KiB
ArmAsm
286 lines
10 KiB
ArmAsm
|
/*
|
||
|
|
* Loongson LSX optimized swscale
|
||
|
|
*
|
||
|
|
* Copyright (c) 2023 Loongson Technology Corporation Limited
|
||
|
|
* Contributed by Lu Wang <wanglu@loongson.cn>
|
||
|
|
*
|
||
|
|
* 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 "libavcodec/loongarch/loongson_asm.S"
|
||
|
|
|
||
|
|
/* void planar_rgb_to_y_lsx(uint8_t *_dst, const uint8_t *src[4],
|
||
|
|
* int width, int32_t *rgb2yuv)
|
||
|
|
*/
|
||
|
|
function planar_rgb_to_y_lsx
|
||
|
|
ld.d a5, a1, 0
|
||
|
|
ld.d a6, a1, 8
|
||
|
|
ld.d a7, a1, 16
|
||
|
|
|
||
|
|
ld.w t1, a3, 0 // ry
|
||
|
|
ld.w t2, a3, 4 // gy
|
||
|
|
ld.w t3, a3, 8 // by
|
||
|
|
li.w t4, 9
|
||
|
|
li.w t5, 524544
|
||
|
|
li.w t7, 4
|
||
|
|
li.w t8, 8
|
||
|
|
vldi vr7, 0
|
||
|
|
vreplgr2vr.w vr1, t1
|
||
|
|
vreplgr2vr.w vr2, t2
|
||
|
|
vreplgr2vr.w vr3, t3
|
||
|
|
vreplgr2vr.w vr4, t4
|
||
|
|
vreplgr2vr.w vr5, t5
|
||
|
|
bge a2, t8, .WIDTH8
|
||
|
|
bge a2, t7, .WIDTH4
|
||
|
|
blt zero, a2, .WIDTH
|
||
|
|
b .END
|
||
|
|
|
||
|
|
.WIDTH8:
|
||
|
|
vld vr8, a5, 0
|
||
|
|
vld vr9, a6, 0
|
||
|
|
vld vr10, a7, 0
|
||
|
|
vilvl.b vr11, vr7, vr8
|
||
|
|
vilvl.b vr12, vr7, vr9
|
||
|
|
vilvl.b vr13, vr7, vr10
|
||
|
|
vilvl.h vr14, vr7, vr11
|
||
|
|
vilvl.h vr15, vr7, vr12
|
||
|
|
vilvl.h vr16, vr7, vr13
|
||
|
|
vilvh.h vr17, vr7, vr11
|
||
|
|
vilvh.h vr18, vr7, vr12
|
||
|
|
vilvh.h vr19, vr7, vr13
|
||
|
|
vmul.w vr20, vr1, vr16
|
||
|
|
vmul.w vr21, vr1, vr19
|
||
|
|
vmadd.w vr20, vr2, vr14
|
||
|
|
vmadd.w vr20, vr3, vr15
|
||
|
|
vmadd.w vr21, vr2, vr17
|
||
|
|
vmadd.w vr21, vr3, vr18
|
||
|
|
vadd.w vr20, vr20, vr5
|
||
|
|
vadd.w vr21, vr21, vr5
|
||
|
|
vsra.w vr20, vr20, vr4
|
||
|
|
vsra.w vr21, vr21, vr4
|
||
|
|
vpickev.h vr20, vr21, vr20
|
||
|
|
vst vr20, a0, 0
|
||
|
|
addi.d a2, a2, -8
|
||
|
|
addi.d a5, a5, 8
|
||
|
|
addi.d a6, a6, 8
|
||
|
|
addi.d a7, a7, 8
|
||
|
|
addi.d a0, a0, 16
|
||
|
|
bge a2, t8, .WIDTH8
|
||
|
|
bge a2, t7, .WIDTH4
|
||
|
|
blt zero, a2, .WIDTH
|
||
|
|
b .END
|
||
|
|
|
||
|
|
.WIDTH4:
|
||
|
|
vld vr8, a5, 0
|
||
|
|
vld vr9, a6, 0
|
||
|
|
vld vr10, a7, 0
|
||
|
|
vilvl.b vr11, vr7, vr8
|
||
|
|
vilvl.b vr12, vr7, vr9
|
||
|
|
vilvl.b vr13, vr7, vr10
|
||
|
|
vilvl.h vr14, vr7, vr11
|
||
|
|
vilvl.h vr15, vr7, vr12
|
||
|
|
vilvl.h vr16, vr7, vr13
|
||
|
|
vmul.w vr17, vr1, vr16
|
||
|
|
vmadd.w vr17, vr2, vr14
|
||
|
|
vmadd.w vr17, vr3, vr15
|
||
|
|
vadd.w vr17, vr17, vr5
|
||
|
|
vsra.w vr17, vr17, vr4
|
||
|
|
vpickev.h vr17, vr17, vr17
|
||
|
|
vstelm.d vr17, a0, 0, 0
|
||
|
|
addi.d a2, a2, -4
|
||
|
|
addi.d a5, a5, 4
|
||
|
|
addi.d a6, a6, 4
|
||
|
|
addi.d a7, a7, 4
|
||
|
|
addi.d a0, a0, 8
|
||
|
|
bge a2, t7, .WIDTH4
|
||
|
|
blt zero, a2, .WIDTH
|
||
|
|
b .END
|
||
|
|
|
||
|
|
.WIDTH:
|
||
|
|
ld.bu t0, a5, 0
|
||
|
|
ld.bu t4, a6, 0
|
||
|
|
ld.bu t6, a7, 0
|
||
|
|
mul.w t8, t6, t1
|
||
|
|
mul.w t7, t0, t2
|
||
|
|
add.w t8, t8, t7
|
||
|
|
mul.w t7, t4, t3
|
||
|
|
add.w t8, t8, t7
|
||
|
|
add.w t8, t8, t5
|
||
|
|
srai.w t8, t8, 9
|
||
|
|
st.h t8, a0, 0
|
||
|
|
addi.d a2, a2, -1
|
||
|
|
addi.d a5, a5, 1
|
||
|
|
addi.d a6, a6, 1
|
||
|
|
addi.d a7, a7, 1
|
||
|
|
addi.d a0, a0, 2
|
||
|
|
blt zero, a2, .WIDTH
|
||
|
|
.END:
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
/* void planar_rgb_to_uv_lsx(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *src[4],
|
||
|
|
* int width, int32_t *rgb2yuv)
|
||
|
|
*/
|
||
|
|
function planar_rgb_to_uv_lsx
|
||
|
|
addi.d sp, sp, -24
|
||
|
|
st.d s1, sp, 0
|
||
|
|
st.d s2, sp, 8
|
||
|
|
st.d s3, sp, 16
|
||
|
|
|
||
|
|
ld.d a5, a2, 0
|
||
|
|
ld.d a6, a2, 8
|
||
|
|
ld.d a7, a2, 16
|
||
|
|
ld.w t1, a4, 12 // ru
|
||
|
|
ld.w t2, a4, 16 // gu
|
||
|
|
ld.w t3, a4, 20 // bu
|
||
|
|
ld.w s1, a4, 24 // rv
|
||
|
|
ld.w s2, a4, 28 // gv
|
||
|
|
ld.w s3, a4, 32 // bv
|
||
|
|
li.w t4, 9
|
||
|
|
li.w t5, 4194560
|
||
|
|
li.w t7, 4
|
||
|
|
li.w t8, 8
|
||
|
|
vldi vr0, 0
|
||
|
|
vreplgr2vr.w vr1, t1
|
||
|
|
vreplgr2vr.w vr2, t2
|
||
|
|
vreplgr2vr.w vr3, t3
|
||
|
|
vreplgr2vr.w vr4, s1
|
||
|
|
vreplgr2vr.w vr5, s2
|
||
|
|
vreplgr2vr.w vr6, s3
|
||
|
|
vreplgr2vr.w vr7, t4
|
||
|
|
vreplgr2vr.w vr8, t5
|
||
|
|
bge a2, t8, .LOOP_WIDTH8
|
||
|
|
bge a2, t7, .LOOP_WIDTH4
|
||
|
|
blt zero, a2, .LOOP_WIDTH
|
||
|
|
b .LOOP_END
|
||
|
|
|
||
|
|
.LOOP_WIDTH8:
|
||
|
|
vld vr9, a5, 0
|
||
|
|
vld vr10, a6, 0
|
||
|
|
vld vr11, a7, 0
|
||
|
|
vilvl.b vr9, vr0, vr9
|
||
|
|
vilvl.b vr10, vr0, vr10
|
||
|
|
vilvl.b vr11, vr0, vr11
|
||
|
|
vilvl.h vr12, vr0, vr9
|
||
|
|
vilvl.h vr13, vr0, vr10
|
||
|
|
vilvl.h vr14, vr0, vr11
|
||
|
|
vilvh.h vr15, vr0, vr9
|
||
|
|
vilvh.h vr16, vr0, vr10
|
||
|
|
vilvh.h vr17, vr0, vr11
|
||
|
|
vmul.w vr18, vr1, vr14
|
||
|
|
vmul.w vr19, vr1, vr17
|
||
|
|
vmul.w vr20, vr4, vr14
|
||
|
|
vmul.w vr21, vr4, vr17
|
||
|
|
vmadd.w vr18, vr2, vr12
|
||
|
|
vmadd.w vr18, vr3, vr13
|
||
|
|
vmadd.w vr19, vr2, vr15
|
||
|
|
vmadd.w vr19, vr3, vr16
|
||
|
|
vmadd.w vr20, vr5, vr12
|
||
|
|
vmadd.w vr20, vr6, vr13
|
||
|
|
vmadd.w vr21, vr5, vr15
|
||
|
|
vmadd.w vr21, vr6, vr16
|
||
|
|
vadd.w vr18, vr18, vr8
|
||
|
|
vadd.w vr19, vr19, vr8
|
||
|
|
vadd.w vr20, vr20, vr8
|
||
|
|
vadd.w vr21, vr21, vr8
|
||
|
|
vsra.w vr18, vr18, vr7
|
||
|
|
vsra.w vr19, vr19, vr7
|
||
|
|
vsra.w vr20, vr20, vr7
|
||
|
|
vsra.w vr21, vr21, vr7
|
||
|
|
vpickev.h vr18, vr19, vr18
|
||
|
|
vpickev.h vr20, vr21, vr20
|
||
|
|
vst vr18, a0, 0
|
||
|
|
vst vr20, a1, 0
|
||
|
|
addi.d a3, a3, -8
|
||
|
|
addi.d a5, a5, 8
|
||
|
|
addi.d a6, a6, 8
|
||
|
|
addi.d a7, a7, 8
|
||
|
|
addi.d a0, a0, 16
|
||
|
|
addi.d a1, a1, 16
|
||
|
|
bge a3, t8, .LOOP_WIDTH8
|
||
|
|
bge a3, t7, .LOOP_WIDTH4
|
||
|
|
blt zero, a3, .LOOP_WIDTH
|
||
|
|
b .LOOP_END
|
||
|
|
|
||
|
|
.LOOP_WIDTH4:
|
||
|
|
vld vr9, a5, 0
|
||
|
|
vld vr10, a6, 0
|
||
|
|
vld vr11, a7, 0
|
||
|
|
vilvl.b vr9, vr0, vr9
|
||
|
|
vilvl.b vr10, vr0, vr10
|
||
|
|
vilvl.b vr11, vr0, vr11
|
||
|
|
vilvl.h vr12, vr0, vr9
|
||
|
|
vilvl.h vr13, vr0, vr10
|
||
|
|
vilvl.h vr14, vr0, vr11
|
||
|
|
vmul.w vr18, vr1, vr14
|
||
|
|
vmul.w vr19, vr4, vr14
|
||
|
|
vmadd.w vr18, vr2, vr12
|
||
|
|
vmadd.w vr18, vr3, vr13
|
||
|
|
vmadd.w vr19, vr5, vr12
|
||
|
|
vmadd.w vr19, vr6, vr13
|
||
|
|
vadd.w vr18, vr18, vr8
|
||
|
|
vadd.w vr19, vr19, vr8
|
||
|
|
vsra.w vr18, vr18, vr7
|
||
|
|
vsra.w vr19, vr19, vr7
|
||
|
|
vpickev.h vr18, vr18, vr18
|
||
|
|
vpickev.h vr19, vr19, vr19
|
||
|
|
vstelm.d vr18, a0, 0, 0
|
||
|
|
vstelm.d vr19, a1, 0, 0
|
||
|
|
addi.d a3, a3, -4
|
||
|
|
addi.d a5, a5, 4
|
||
|
|
addi.d a6, a6, 4
|
||
|
|
addi.d a7, a7, 4
|
||
|
|
addi.d a0, a0, 8
|
||
|
|
addi.d a1, a1, 8
|
||
|
|
bge a3, t7, .LOOP_WIDTH4
|
||
|
|
blt zero, a3, .LOOP_WIDTH
|
||
|
|
b .LOOP_END
|
||
|
|
|
||
|
|
.LOOP_WIDTH:
|
||
|
|
ld.bu t0, a5, 0
|
||
|
|
ld.bu t4, a6, 0
|
||
|
|
ld.bu t6, a7, 0
|
||
|
|
mul.w t8, t6, t1
|
||
|
|
mul.w t7, t0, t2
|
||
|
|
add.w t8, t8, t7
|
||
|
|
mul.w t7, t4, t3
|
||
|
|
add.w t8, t8, t7
|
||
|
|
add.w t8, t8, t5
|
||
|
|
srai.w t8, t8, 9
|
||
|
|
st.h t8, a0, 0
|
||
|
|
mul.w t8, t6, s1
|
||
|
|
mul.w t7, t0, s2
|
||
|
|
add.w t8, t8, t7
|
||
|
|
mul.w t7, t4, s3
|
||
|
|
add.w t8, t8, t7
|
||
|
|
add.w t8, t8, t5
|
||
|
|
srai.w t8, t8, 9
|
||
|
|
st.h t8, a1, 0
|
||
|
|
addi.d a3, a3, -1
|
||
|
|
addi.d a5, a5, 1
|
||
|
|
addi.d a6, a6, 1
|
||
|
|
addi.d a7, a7, 1
|
||
|
|
addi.d a0, a0, 2
|
||
|
|
addi.d a1, a1, 2
|
||
|
|
blt zero, a3, .LOOP_WIDTH
|
||
|
|
|
||
|
|
.LOOP_END:
|
||
|
|
ld.d s1, sp, 0
|
||
|
|
ld.d s2, sp, 8
|
||
|
|
ld.d s3, sp, 16
|
||
|
|
addi.d sp, sp, 24
|
||
|
|
endfunc
|