mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
170 lines
6.1 KiB
ArmAsm
170 lines
6.1 KiB
ArmAsm
|
/*
|
||
|
|
* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
|
||
|
|
* Copyright (c) 2015 Janne Grunau <janne-libav@jannau.net>
|
||
|
|
*
|
||
|
|
* This file is part of Libav.
|
||
|
|
*
|
||
|
|
* Libav 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.
|
||
|
|
*
|
||
|
|
* Libav 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 Libav; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "libavutil/aarch64/asm.S"
|
||
|
|
|
||
|
|
function ff_decode_hf_neon, export=1
|
||
|
|
add x2, x2, x3
|
||
|
|
add x0, x0, x5, lsl #5
|
||
|
|
add x1, x1, x5, lsl #2
|
||
|
|
add x4, x4, x5, lsl #3
|
||
|
|
sub x6, x6, x5
|
||
|
|
ldr w7, [x1], #4
|
||
|
|
add x7, x2, x7, lsl #5
|
||
|
|
subs x6, x6, #1
|
||
|
|
b.eq 1f
|
||
|
|
b.gt 2f
|
||
|
|
ret
|
||
|
|
2:
|
||
|
|
ldr w8, [x1], #4
|
||
|
|
subs x6, x6, #2
|
||
|
|
add x8, x2, x8, lsl #5
|
||
|
|
ld1 {v2.4s}, [x4], #16
|
||
|
|
ld1 {v0.8b}, [x7]
|
||
|
|
ld1 {v4.8b}, [x8]
|
||
|
|
sxtl v3.8h, v0.8b
|
||
|
|
sxtl v7.8h, v4.8b
|
||
|
|
scvtf v2.4s, v2.4s, #4
|
||
|
|
sxtl v0.4s, v3.4h
|
||
|
|
sxtl2 v1.4s, v3.8h
|
||
|
|
sxtl v4.4s, v7.4h
|
||
|
|
sxtl2 v5.4s, v7.8h
|
||
|
|
scvtf v0.4s, v0.4s
|
||
|
|
scvtf v1.4s, v1.4s
|
||
|
|
scvtf v4.4s, v4.4s
|
||
|
|
scvtf v5.4s, v5.4s
|
||
|
|
fmul v0.4s, v0.4s, v2.s[0]
|
||
|
|
fmul v1.4s, v1.4s, v2.s[0]
|
||
|
|
fmul v4.4s, v4.4s, v2.s[2]
|
||
|
|
fmul v5.4s, v5.4s, v2.s[2]
|
||
|
|
b.lt 10f
|
||
|
|
|
||
|
|
ldr w7, [x1], #4
|
||
|
|
add x7, x2, x7, lsl #5
|
||
|
|
st1 {v0.4s,v1.4s}, [x0], #32
|
||
|
|
st1 {v4.4s,v5.4s}, [x0], #32
|
||
|
|
b.gt 2b
|
||
|
|
1:
|
||
|
|
ldr w9, [x4]
|
||
|
|
ld1 {v0.8b}, [x7]
|
||
|
|
scvtf s2, w9, #4
|
||
|
|
sxtl v3.8h, v0.8b
|
||
|
|
sxtl v0.4s, v3.4h
|
||
|
|
sxtl2 v1.4s, v3.8h
|
||
|
|
scvtf v0.4s, v0.4s
|
||
|
|
scvtf v1.4s, v1.4s
|
||
|
|
fmul v0.4s, v0.4s, v2.s[0]
|
||
|
|
fmul v1.4s, v1.4s, v2.s[0]
|
||
|
|
st1 {v0.4s,v1.4s}, [x0]
|
||
|
|
ret
|
||
|
|
10:
|
||
|
|
st1 {v0.4s,v1.4s}, [x0], #32
|
||
|
|
st1 {v4.4s,v5.4s}, [x0]
|
||
|
|
ret
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
function ff_dca_lfe_fir0_neon, export=1
|
||
|
|
mov x3, #32 // decifactor
|
||
|
|
sub x1, x1, #7*4
|
||
|
|
add x4, x0, #2*32*4 - 16 // out2
|
||
|
|
mov x7, #-16
|
||
|
|
|
||
|
|
ld1 {v0.4s,v1.4s}, [x1]
|
||
|
|
// reverse [-num_coeffs + 1, 0]
|
||
|
|
ext v3.16b, v0.16b, v0.16b, #8
|
||
|
|
ext v2.16b, v1.16b, v1.16b, #8
|
||
|
|
rev64 v3.4s, v3.4s
|
||
|
|
rev64 v2.4s, v2.4s
|
||
|
|
1:
|
||
|
|
ld1 {v4.4s,v5.4s}, [x2], #32
|
||
|
|
ld1 {v6.4s,v7.4s}, [x2], #32
|
||
|
|
subs x3, x3, #4
|
||
|
|
fmul v16.4s, v2.4s, v4.4s
|
||
|
|
fmul v23.4s, v0.4s, v4.4s
|
||
|
|
fmul v17.4s, v2.4s, v6.4s
|
||
|
|
fmul v22.4s, v0.4s, v6.4s
|
||
|
|
|
||
|
|
fmla v16.4s, v3.4s, v5.4s
|
||
|
|
fmla v23.4s, v1.4s, v5.4s
|
||
|
|
ld1 {v4.4s,v5.4s}, [x2], #32
|
||
|
|
fmla v17.4s, v3.4s, v7.4s
|
||
|
|
fmla v22.4s, v1.4s, v7.4s
|
||
|
|
ld1 {v6.4s,v7.4s}, [x2], #32
|
||
|
|
fmul v18.4s, v2.4s, v4.4s
|
||
|
|
fmul v21.4s, v0.4s, v4.4s
|
||
|
|
fmul v19.4s, v2.4s, v6.4s
|
||
|
|
fmul v20.4s, v0.4s, v6.4s
|
||
|
|
|
||
|
|
fmla v18.4s, v3.4s, v5.4s
|
||
|
|
fmla v21.4s, v1.4s, v5.4s
|
||
|
|
fmla v19.4s, v3.4s, v7.4s
|
||
|
|
fmla v20.4s, v1.4s, v7.4s
|
||
|
|
|
||
|
|
faddp v16.4s, v16.4s, v17.4s
|
||
|
|
faddp v18.4s, v18.4s, v19.4s
|
||
|
|
faddp v20.4s, v20.4s, v21.4s
|
||
|
|
faddp v22.4s, v22.4s, v23.4s
|
||
|
|
faddp v16.4s, v16.4s, v18.4s
|
||
|
|
faddp v20.4s, v20.4s, v22.4s
|
||
|
|
|
||
|
|
st1 {v16.4s}, [x0], #16
|
||
|
|
st1 {v20.4s}, [x4], x7
|
||
|
|
b.gt 1b
|
||
|
|
|
||
|
|
ret
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
function ff_dca_lfe_fir1_neon, export=1
|
||
|
|
mov x3, #64 // decifactor
|
||
|
|
sub x1, x1, #3*4
|
||
|
|
add x4, x0, #2*64*4 - 16 // out2
|
||
|
|
mov x7, #-16
|
||
|
|
|
||
|
|
ld1 {v0.4s}, [x1]
|
||
|
|
// reverse [-num_coeffs + 1, 0]
|
||
|
|
ext v1.16b, v0.16b, v0.16b, #8
|
||
|
|
rev64 v1.4s, v1.4s
|
||
|
|
|
||
|
|
1:
|
||
|
|
ld1 {v4.4s,v5.4s}, [x2], #32
|
||
|
|
ld1 {v6.4s,v7.4s}, [x2], #32
|
||
|
|
subs x3, x3, #4
|
||
|
|
fmul v16.4s, v1.4s, v4.4s
|
||
|
|
fmul v23.4s, v0.4s, v4.4s
|
||
|
|
fmul v17.4s, v1.4s, v5.4s
|
||
|
|
fmul v22.4s, v0.4s, v5.4s
|
||
|
|
fmul v18.4s, v1.4s, v6.4s
|
||
|
|
fmul v21.4s, v0.4s, v6.4s
|
||
|
|
fmul v19.4s, v1.4s, v7.4s
|
||
|
|
fmul v20.4s, v0.4s, v7.4s
|
||
|
|
faddp v16.4s, v16.4s, v17.4s
|
||
|
|
faddp v18.4s, v18.4s, v19.4s
|
||
|
|
faddp v20.4s, v20.4s, v21.4s
|
||
|
|
faddp v22.4s, v22.4s, v23.4s
|
||
|
|
faddp v16.4s, v16.4s, v18.4s
|
||
|
|
faddp v20.4s, v20.4s, v22.4s
|
||
|
|
st1 {v16.4s}, [x0], #16
|
||
|
|
st1 {v20.4s}, [x4], x7
|
||
|
|
b.gt 1b
|
||
|
|
|
||
|
|
ret
|
||
|
|
endfunc
|