f244cbd5
 Hu Chunming
ffmpeg支持h264编码
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/****************************************************************************
* quant.S: arm quantization and level-run
*****************************************************************************
* Copyright (C) 2009-2024 x264 project
*
* Authors: David Conrad <lessen42@gmail.com>
* Janne Grunau <janne-x264@jannau.net>
* Martin Storsjo <martin@martin.st>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "asm.S"
// This is a common function for both 8 and 10 bit depth, since these two differ
// at data loading only. The distinction is based on the depth parameters that
//are passed to the macro.
.macro decimate_score_1x size depth
function decimate_score\size\()_neon, export=1
.if BIT_DEPTH == 8
ld1 {v0.8h,v1.8h}, [x0]
movrel x5, X264(decimate_table4)
movi v3.16b, #0x01
sqxtn v0.8b, v0.8h
sqxtn2 v0.16b, v1.8h
.else // BIT_DEPTH == 8
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
movrel x5, X264(decimate_table4)
sqxtn v20.4h, v0.4s
sqxtn2 v20.8h, v1.4s
sqxtn v21.4h, v2.4s
sqxtn2 v21.8h, v3.4s
sqxtn v0.8b, v20.8h
sqxtn2 v0.16b, v21.8h
.endif // BIT_DEPTH == 8
movi v3.16b, #0x01
abs v2.16b, v0.16b
cmeq v1.16b, v0.16b, #0
cmhi v2.16b, v2.16b, v3.16b
shrn v1.8b, v1.8h, #4
shrn v2.8b, v2.8h, #4
fmov x2, d2
fmov x1, d1
cbnz x2, 9f
mvn x1, x1
mov w0, #0
cbz x1, 0f
.ifc \size, 15
lsr x1, x1, #1
.endif
rbit x1, x1
1:
clz x3, x1
lsr x6, x3, #2
lsl x1, x1, x3
ldrb w7, [x5, x6]
lsl x1, x1, #4
add w0, w0, w7
cbnz x1, 1b
ret
9:
mov w0, #9
0:
ret
endfunc
.endm
const mask64, align=6
.byte 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01
.byte 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01
endconst
.macro decimate_score64 depth
function decimate_score64_neon, export=1
.if BIT_DEPTH == 8
ld1 {v0.8h, v1.8h}, [x0], #32
ld1 {v2.8h, v3.8h}, [x0], #32
ld1 {v4.8h, v5.8h}, [x0], #32
ld1 {v6.8h, v7.8h}, [x0]
sqxtn v16.8b, v1.8h
sqxtn2 v16.16b, v0.8h
sqxtn v17.8b, v3.8h
sqxtn2 v17.16b, v2.8h
sqxtn v18.8b, v5.8h
sqxtn2 v18.16b, v4.8h
sqxtn v19.8b, v7.8h
sqxtn2 v19.16b, v6.8h
.else // BIT_DEPTH == 8
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0], #64
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x0], #64
ld1 {v20.4s, v21.4s, v22.4s, v23.4s}, [x0], #64
ld1 {v24.4s, v25.4s, v26.4s, v27.4s}, [x0]
sqxtn v28.4h, v0.4s
sqxtn2 v28.8h, v1.4s
sqxtn v0.4h, v2.4s
sqxtn2 v0.8h, v3.4s
sqxtn v2.4h, v6.4s
sqxtn2 v2.8h, v7.4s
sqxtn v3.4h, v4.4s
sqxtn2 v3.8h, v5.4s
sqxtn v4.4h, v22.4s
sqxtn2 v4.8h, v23.4s
sqxtn v5.4h, v20.4s
sqxtn2 v5.8h, v21.4s
sqxtn v6.4h, v26.4s
sqxtn2 v6.8h, v27.4s
sqxtn v7.4h, v24.4s
sqxtn2 v7.8h, v25.4s
sqxtn v16.8b, v0.8h
sqxtn2 v16.16b, v28.8h
sqxtn v17.8b, v2.8h
sqxtn2 v17.16b, v3.8h
sqxtn v18.8b, v4.8h
sqxtn2 v18.16b, v5.8h
sqxtn v19.8b, v6.8h
sqxtn2 v19.16b, v7.8h
.endif // BIT_DEPTH == 8
movrel x6, mask64
movi v31.16b, #0x01
abs v4.16b, v16.16b
abs v5.16b, v17.16b
abs v6.16b, v18.16b
abs v7.16b, v19.16b
ld1 {v30.16b}, [x6]
cmeq v0.16b, v16.16b, #0
cmeq v1.16b, v17.16b, #0
cmeq v2.16b, v18.16b, #0
cmeq v3.16b, v19.16b, #0
umax v4.16b, v4.16b, v5.16b
umax v6.16b, v6.16b, v7.16b
and v0.16b, v0.16b, v30.16b
and v1.16b, v1.16b, v30.16b
and v2.16b, v2.16b, v30.16b
and v3.16b, v3.16b, v30.16b
umax v4.16b, v4.16b, v6.16b
addp v0.16b, v1.16b, v0.16b
addp v2.16b, v3.16b, v2.16b
cmhi v4.16b, v4.16b, v31.16b
addp v0.16b, v2.16b, v0.16b
shrn v4.8b, v4.8h, #4
addp v0.16b, v0.16b, v0.16b
fmov x2, d4
fmov x1, d0
cbnz x2, 9f
mvn x1, x1
mov w0, #0
cbz x1, 0f
movrel x5, X264(decimate_table8)
1:
clz x3, x1
lsl x1, x1, x3
ldrb w7, [x5, x3]
lsl x1, x1, #1
add w0, w0, w7
cbnz x1, 1b
ret
9:
mov w0, #9
0:
ret
endfunc
.endm
.macro COEFF_LAST_1x size, sub_factor
function coeff_last\size\()_neon, export=1
.if \size == 15
sub x0, x0, \sub_factor
.endif
.if BIT_DEPTH == 8
ld1 {v0.8h, v1.8h}, [x0]
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
.else // BIT_DEPTH == 8
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
uqxtn v0.4h, v0.4s
uqxtn2 v0.8h, v1.4s
uqxtn v1.4h, v2.4s
uqxtn2 v1.8h, v3.4s
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
.endif // BIT_DEPTH == 8
cmtst v0.16b, v0.16b, v0.16b
shrn v0.8b, v0.8h, #4
fmov x1, d0
mov w3, #\size - 1
clz x2, x1
sub w0, w3, w2, lsr #2
ret
endfunc
.endm
.macro COEFF_LAST64
function coeff_last64_neon, export=1
.if BIT_DEPTH == 8
ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], 64
movi v31.8h, #8
movi v30.8h, #1
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x0], 64
uqxtn v1.8b, v2.8h
uqxtn2 v1.16b, v3.8h
uqxtn v2.8b, v4.8h
uqxtn2 v2.16b, v5.8h
uqxtn v3.8b, v6.8h
uqxtn2 v3.16b, v7.8h
.else // BIT_DEPTH == 8
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0], #64
movi v31.8h, #8
movi v30.8h, #1
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x0], #64
uqxtn v0.4h, v0.4s
uqxtn2 v0.8h, v1.4s
uqxtn v1.4h, v2.4s
uqxtn2 v1.8h, v3.4s
uqxtn v2.4h, v4.4s
uqxtn2 v2.8h, v5.4s
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0], #64
uqxtn v3.4h, v6.4s
uqxtn2 v3.8h, v7.4s
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
uqxtn v1.8b, v2.8h
uqxtn2 v1.16b, v3.8h
ld1 {v20.4s, v21.4s, v22.4s, v23.4s}, [x0], #64
uqxtn v16.4h, v16.4s
uqxtn2 v16.8h, v17.4s
uqxtn v17.4h, v18.4s
uqxtn2 v17.8h, v19.4s
uqxtn v18.4h, v20.4s
uqxtn2 v18.8h, v21.4s
uqxtn v19.4h, v22.4s
uqxtn2 v19.8h, v23.4s
uqxtn v2.8b, v16.8h
uqxtn2 v2.16b, v17.8h
uqxtn v3.8b, v18.8h
uqxtn2 v3.16b, v19.8h
.endif // BIT_DEPTH == 8
cmtst v0.16b, v0.16b, v0.16b
cmtst v1.16b, v1.16b, v1.16b
cmtst v2.16b, v2.16b, v2.16b
cmtst v3.16b, v3.16b, v3.16b
shrn v0.8b, v0.8h, #4
shrn2 v0.16b, v1.8h, #4
shrn v1.8b, v2.8h, #4
shrn2 v1.16b, v3.8h, #4
clz v0.4s, v0.4s
clz v1.4s, v1.4s
shrn v0.4h, v0.4s, #2
shrn2 v0.8h, v1.4s, #2
sub v0.8h, v31.8h, v0.8h
sshl v0.8h, v30.8h, v0.8h
shrn v0.8b, v0.8h, #1
fmov x2, d0
mov w3, #63
clz x2, x2
sub w0, w3, w2
ret
endfunc
.endm
.macro coeff_level_run_start size, mask
add x6, x1, #\mask // runlevel->mask
mov w7, #0
mov w8, #0
mov w9, #1
mov w4, #\size - 1
.endm
.macro coeff_level_run shift, depth
clz x3, x2
subs w4, w4, w3, lsr #\shift
str w4, [x1], #4
1:
.ifc \depth, 8
ldrh w5, [x0, x4, lsl #1]
strh w5, [x6], #2
.else
lsl w5, w4, #2
ldr w5, [x0, x5]
str w5, [x6], #4
.endif
add w7, w7, #1
lsl w10, w9, w4
orr w8, w8, w10
b.le 2f
add w3, w3, #1 << \shift
sub w4, w4, #1
and x3, x3, #~((1 << \shift) - 1)
lsl x2, x2, x3
clz x3, x2
subs w4, w4, w3, lsr #\shift
b.ge 1b
2:
str w8, [x1]
mov w0, w7
.endm
.if BIT_DEPTH == 8
.macro QUANT_TWO bias0 bias1 mf0_1 mf2_3 mask
add v18.8h, v18.8h, \bias0
add v19.8h, v19.8h, \bias1
umull v20.4s, v18.4h, \mf0_1\().4h
umull2 v21.4s, v18.8h, \mf0_1\().8h
umull v22.4s, v19.4h, \mf2_3\().4h
umull2 v23.4s, v19.8h, \mf2_3\().8h
sshr v16.8h, v16.8h, #15
sshr v17.8h, v17.8h, #15
shrn v18.4h, v20.4s, #16
shrn2 v18.8h, v21.4s, #16
shrn v19.4h, v22.4s, #16
shrn2 v19.8h, v23.4s, #16
eor v18.16b, v18.16b, v16.16b
eor v19.16b, v19.16b, v17.16b
sub v18.8h, v18.8h, v16.8h
sub v19.8h, v19.8h, v17.8h
orr \mask, v18.16b, v19.16b
st1 {v18.8h,v19.8h}, [x0], #32
.endm
.macro QUANT_END d
fmov x2, \d
mov w0, #0
tst x2, x2
cinc w0, w0, ne
ret
.endm
// quant_2x2_dc( int16_t dct[4], int mf, int bias )
function quant_2x2_dc_neon, export=1
ld1 {v0.4h}, [x0]
dup v2.4h, w2
dup v1.4h, w1
abs v3.4h, v0.4h
add v3.4h, v3.4h, v2.4h
umull v3.4s, v3.4h, v1.4h
sshr v0.4h, v0.4h, #15
shrn v3.4h, v3.4s, #16
eor v3.8b, v3.8b, v0.8b
sub v3.4h, v3.4h, v0.4h
st1 {v3.4h}, [x0]
QUANT_END d3
endfunc
// quant_4x4_dc( int16_t dct[16], int mf, int bias )
function quant_4x4_dc_neon, export=1
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
dup v0.8h, w2
dup v2.8h, w1
QUANT_TWO v0.8h, v0.8h, v2, v2, v0.16b
uqxtn v0.8b, v0.8h
QUANT_END d0
endfunc
// quant_4x4( int16_t dct[16], uint16_t mf[16], uint16_t bias[16] )
function quant_4x4_neon, export=1
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
ld1 {v0.8h,v1.8h}, [x2]
ld1 {v2.8h,v3.8h}, [x1]
QUANT_TWO v0.8h, v1.8h, v2, v3, v0.16b
uqxtn v0.8b, v0.8h
QUANT_END d0
endfunc
// quant_4x4x4( int16_t dct[4][16], uint16_t mf[16], uint16_t bias[16] )
function quant_4x4x4_neon, export=1
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
ld1 {v0.8h,v1.8h}, [x2]
ld1 {v2.8h,v3.8h}, [x1]
QUANT_TWO v0.8h, v1.8h, v2, v3, v4.16b
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
QUANT_TWO v0.8h, v1.8h, v2, v3, v5.16b
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
QUANT_TWO v0.8h, v1.8h, v2, v3, v6.16b
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
QUANT_TWO v0.8h, v1.8h, v2, v3, v7.16b
uqxtn v4.8b, v4.8h
uqxtn v7.8b, v7.8h
uqxtn v6.8b, v6.8h
uqxtn v5.8b, v5.8h
fmov x7, d7
fmov x6, d6
fmov x5, d5
fmov x4, d4
mov w0, #0
tst x7, x7
cinc w0, w0, ne
lsl w0, w0, #1
tst x6, x6
cinc w0, w0, ne
lsl w0, w0, #1
tst x5, x5
cinc w0, w0, ne
lsl w0, w0, #1
tst x4, x4
cinc w0, w0, ne
ret
endfunc
// quant_8x8( int16_t dct[64], uint16_t mf[64], uint16_t bias[64] )
function quant_8x8_neon, export=1
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
ld1 {v0.8h,v1.8h}, [x2], #32
ld1 {v2.8h,v3.8h}, [x1], #32
QUANT_TWO v0.8h, v1.8h, v2, v3, v4.16b
.rept 3
ld1 {v16.8h,v17.8h}, [x0]
abs v18.8h, v16.8h
abs v19.8h, v17.8h
ld1 {v0.8h,v1.8h}, [x2], #32
ld1 {v2.8h,v3.8h}, [x1], #32
QUANT_TWO v0.8h, v1.8h, v2, v3, v5.16b
orr v4.16b, v4.16b, v5.16b
.endr
uqxtn v0.8b, v4.8h
QUANT_END d0
endfunc
.macro DEQUANT_START mf_size offset dc=no
mov w3, #0x2b
mul w3, w3, w2
lsr w3, w3, #8 // i_qbits = i_qp / 6
add w5, w3, w3, lsl #1
sub w2, w2, w5, lsl #1 // i_mf = i_qp % 6
lsl w2, w2, #\mf_size
.ifc \dc,no
add x1, x1, w2, sxtw // dequant_mf[i_mf]
.else
ldr x1, [x1, w2, sxtw] // dequant_mf[i_mf][0][0]
.endif
subs w3, w3, #\offset // 6 for 8x8
.endm
// dequant_4x4( int16_t dct[16], int dequant_mf[6][16], int i_qp )
.macro DEQUANT size bits
function dequant_\size\()_neon, export=1
DEQUANT_START \bits+2, \bits
.ifc \size, 8x8
mov w2, #4
.endif
b.lt dequant_\size\()_rshift
dup v31.8h, w3
dequant_\size\()_lshift_loop:
.ifc \size, 8x8
subs w2, w2, #1
.endif
ld1 {v16.4s}, [x1], #16
ld1 {v17.4s}, [x1], #16
sqxtn v2.4h, v16.4s
ld1 {v18.4s}, [x1], #16
sqxtn2 v2.8h, v17.4s
ld1 {v19.4s}, [x1], #16
sqxtn v3.4h, v18.4s
ld1 {v0.8h,v1.8h}, [x0]
sqxtn2 v3.8h, v19.4s
mul v0.8h, v0.8h, v2.8h
mul v1.8h, v1.8h, v3.8h
sshl v0.8h, v0.8h, v31.8h
sshl v1.8h, v1.8h, v31.8h
st1 {v0.8h,v1.8h}, [x0], #32
.ifc \size, 8x8
b.gt dequant_\size\()_lshift_loop
.endif
ret
dequant_\size\()_rshift:
dup v31.4s, w3
.ifc \size, 8x8
dequant_\size\()_rshift_loop:
subs w2, w2, #1
.endif
ld1 {v16.4s}, [x1], #16
ld1 {v17.4s}, [x1], #16
sqxtn v2.4h, v16.4s
ld1 {v18.4s}, [x1], #16
sqxtn2 v2.8h, v17.4s
ld1 {v19.4s}, [x1], #16
sqxtn v3.4h, v18.4s
ld1 {v0.8h,v1.8h}, [x0]
sqxtn2 v3.8h, v19.4s
smull v16.4s, v0.4h, v2.4h
smull2 v17.4s, v0.8h, v2.8h
smull v18.4s, v1.4h, v3.4h
smull2 v19.4s, v1.8h, v3.8h
srshl v16.4s, v16.4s, v31.4s
srshl v17.4s, v17.4s, v31.4s
srshl v18.4s, v18.4s, v31.4s
srshl v19.4s, v19.4s, v31.4s
sqxtn v0.4h, v16.4s
sqxtn2 v0.8h, v17.4s
sqxtn v1.4h, v18.4s
sqxtn2 v1.8h, v19.4s
st1 {v0.8h,v1.8h}, [x0], #32
.ifc \size, 8x8
b.gt dequant_\size\()_rshift_loop
.endif
ret
endfunc
.endm
DEQUANT 4x4, 4
DEQUANT 8x8, 6
// dequant_4x4_dc( int16_t dct[16], int dequant_mf[6][16], int i_qp )
function dequant_4x4_dc_neon, export=1
DEQUANT_START 6, 6, yes
b.lt dequant_4x4_dc_rshift
lsl w1, w1, w3
dup v2.8h, w1
ld1 {v0.8h,v1.8h}, [x0]
mul v0.8h, v0.8h, v2.8h
mul v1.8h, v1.8h, v2.8h
st1 {v0.8h,v1.8h}, [x0]
ret
dequant_4x4_dc_rshift:
dup v4.8h, w1
dup v3.4s, w3
ld1 {v0.8h,v1.8h}, [x0]
smull v16.4s, v0.4h, v4.4h
smull2 v17.4s, v0.8h, v4.8h
smull v18.4s, v1.4h, v4.4h
smull2 v19.4s, v1.8h, v4.8h
srshl v16.4s, v16.4s, v3.4s
srshl v17.4s, v17.4s, v3.4s
srshl v18.4s, v18.4s, v3.4s
srshl v19.4s, v19.4s, v3.4s
sqxtn v0.4h, v16.4s
sqxtn2 v0.8h, v17.4s
sqxtn v1.4h, v18.4s
sqxtn2 v1.8h, v19.4s
st1 {v0.8h,v1.8h}, [x0]
ret
endfunc
decimate_score_1x 15
decimate_score_1x 16
decimate_score64
// int coeff_last( int16_t *l )
function coeff_last4_aarch64, export=1
ldr x2, [x0]
mov w4, #3
clz x0, x2
sub w0, w4, w0, lsr #4
ret
endfunc
function coeff_last8_aarch64, export=1
ldr x3, [x0, #8]
mov w4, #7
clz x2, x3
cmp w2, #64
b.ne 1f
ldr x3, [x0]
sub w4, w4, #4
clz x2, x3
1:
sub w0, w4, w2, lsr #4
ret
endfunc
COEFF_LAST_1x 15, #2
COEFF_LAST_1x 16, #2
COEFF_LAST64
function coeff_level_run4_aarch64, export=1
ldr x2, [x0]
coeff_level_run_start 4, 23
and x6, x6, #~15
coeff_level_run 4, 8
ret
endfunc
.macro X264_COEFF_LEVEL_RUN size
function coeff_level_run\size\()_neon, export=1
.if \size == 15
sub x0, x0, #2
.endif
.if \size < 15
ld1 {v0.8h}, [x0]
uqxtn v0.8b, v0.8h
cmtst v0.8b, v0.8b, v0.8b
.else
ld1 {v0.8h,v1.8h}, [x0]
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
cmtst v0.16b, v0.16b, v0.16b
shrn v0.8b, v0.8h, #4
.endif
fmov x2, d0
.if \size == 15
add x0, x0, #2
.endif
coeff_level_run_start \size, 23
and x6, x6, #~15
coeff_level_run (4 - (\size + 1) / 8), 8
ret
endfunc
.endm
X264_COEFF_LEVEL_RUN 8
X264_COEFF_LEVEL_RUN 15
X264_COEFF_LEVEL_RUN 16
function denoise_dct_neon, export=1
1: subs w3, w3, #16
ld1 {v0.8h,v1.8h}, [x0]
ld1 {v4.4s,v5.4s,v6.4s,v7.4s}, [x1]
abs v16.8h, v0.8h
abs v17.8h, v1.8h
ld1 {v2.8h,v3.8h}, [x2], #32
cmlt v18.8h, v0.8h, #0
cmlt v19.8h, v1.8h, #0
uaddw v4.4s, v4.4s, v16.4h
uaddw2 v5.4s, v5.4s, v16.8h
uqsub v20.8h, v16.8h, v2.8h
uqsub v21.8h, v17.8h, v3.8h
uaddw v6.4s, v6.4s, v17.4h
uaddw2 v7.4s, v7.4s, v17.8h
neg v22.8h, v20.8h
neg v23.8h, v21.8h
bsl v18.16b, v22.16b, v20.16b
bsl v19.16b, v23.16b, v21.16b
st1 {v4.4s,v5.4s,v6.4s,v7.4s}, [x1], #64
st1 {v18.8h,v19.8h}, [x0], #32
b.gt 1b
ret
endfunc
.else // BIT_DEPTH == 8
.macro QUANT_TWO mask
add v20.4s, v20.4s, v0.4s
add v21.4s, v21.4s, v1.4s
add v22.4s, v22.4s, v2.4s
add v23.4s, v23.4s, v3.4s
mul v24.4s, v20.4s, v4.4s
mul v25.4s, v21.4s, v5.4s
mul v26.4s, v22.4s, v6.4s
mul v27.4s, v23.4s, v7.4s
sshr v16.4s, v16.4s, #31
sshr v17.4s, v17.4s, #31
sshr v18.4s, v18.4s, #31
sshr v19.4s, v19.4s, #31
sshr v20.4s, v24.4s, #16
sshr v21.4s, v25.4s, #16
sshr v22.4s, v26.4s, #16
sshr v23.4s, v27.4s, #16
eor v20.16b, v20.16b, v16.16b
eor v21.16b, v21.16b, v17.16b
eor v22.16b, v22.16b, v18.16b
eor v23.16b, v23.16b, v19.16b
sub v20.4s, v20.4s, v16.4s
sub v21.4s, v21.4s, v17.4s
sub v22.4s, v22.4s, v18.4s
sub v23.4s, v23.4s, v19.4s
orr \mask, v20.16b, v21.16b
orr v16.16b, v22.16b, v23.16b
orr \mask, \mask, v16.16b
st1 {v20.4s, v21.4s, v22.4s, v23.4s}, [x0], #64
.endm
.macro QUANT_END d
// Use parameter d as a register number and extract upper and lower halves.
fmov x2, d\d
fmov x3, v\d\().d[1]
orr x2, x2, x3
mov w0, #0
tst x2, x2
cinc w0, w0, ne
ret
.endm
// quant_2x2_dc( dctcoef dct[4], int mf, int bias )
function quant_2x2_dc_neon, export=1
ld1 {v0.4s}, [x0]
dup v2.4s, w2
dup v1.4s, w1
abs v3.4s, v0.4s
add v3.4s, v3.4s, v2.4s
mul v3.4s, v3.4s, v1.4s
sshr v0.4s, v0.4s, #31
sshr v3.4s, v3.4s, #16
eor v3.16b, v3.16b, v0.16b
sub v0.4s, v3.4s, v0.4s
st1 {v0.4s}, [x0]
QUANT_END 0
endfunc
// quant_4x4_dc( dctcoef dct[16], int mf, int bias )
function quant_4x4_dc_neon, export=1
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
dup v0.4s, w2
dup v1.4s, w2
dup v2.4s, w2
dup v3.4s, w2
dup v4.4s, w1
dup v5.4s, w1
dup v6.4s, w1
dup v7.4s, w1
QUANT_TWO v0.16b
QUANT_END 0
endfunc
// quant_4x4( dctcoef dct[16], udctcoef mf[16], udctcoef bias[16] )
function quant_4x4_neon, export=1
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x2]
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1]
QUANT_TWO v0.16b
QUANT_END 0
endfunc
// quant_4x4x4( dctcoef dct[4][16], uint32_t mf[16], uint32_t bias[16] )
function quant_4x4x4_neon, export=1
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x2]
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
QUANT_TWO v28.16b
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
QUANT_TWO v29.16b
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
QUANT_TWO v30.16b
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
QUANT_TWO v31.16b
uqxtn v28.4h, v28.4s
uqxtn v29.4h, v29.4s
uqxtn v30.4h, v30.4s
uqxtn v31.4h, v31.4s
fmov x7, d28
fmov x6, d29
fmov x10, d30
fmov x12, d31
mov w0, #0
tst x12, x12
cinc w0, w0, ne
lsl w0, w0, #1
tst x10, x10
cinc w0, w0, ne
lsl w0, w0, #1
tst x6, x6
cinc w0, w0, ne
lsl w0, w0, #1
tst x7, x7
cinc w0, w0, ne
ret
endfunc
// quant_8x8( dctcoef dct[64], uint32_t mf[64], uint32_t bias[64] )
function quant_8x8_neon, export=1
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x2], #64
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1], #64
QUANT_TWO v28.16b
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x2], #64
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1], #64
QUANT_TWO v29.16b
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x2], #64
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1], #64
QUANT_TWO v30.16b
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
abs v20.4s, v16.4s
abs v21.4s, v17.4s
abs v22.4s, v18.4s
abs v23.4s, v19.4s
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x2], #64
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1], #64
QUANT_TWO v31.16b
orr v0.16b, v28.16b, v29.16b
orr v0.16b, v0.16b, v30.16b
orr v0.16b, v0.16b, v31.16b
QUANT_END 0
endfunc
.macro DEQUANT_START mf_size offset dc=no
mov w3, #0x2b
mul w3, w3, w2
lsr w3, w3, #8 // i_qbits = i_qp / 6
add w5, w3, w3, lsl #1
sub w2, w2, w5, lsl #1 // i_mf = i_qp % 6
lsl w2, w2, #\mf_size
.ifc \dc,no
add x1, x1, w2, sxtw // dequant_mf[i_mf]
.else
ldr x1, [x1, w2, sxtw] // dequant_mf[i_mf][0][0]
.endif
subs w3, w3, #\offset // 6 for 8x8
.endm
// dequant_4x4( int32_t dct[16], int dequant_mf[6][16], int i_qp )
.macro DEQUANT size bits
function dequant_\size\()_neon, export=1
DEQUANT_START \bits+2, \bits
.ifc \size, 8x8
mov w2, #4
.endif
b.lt dequant_\size\()_rshift
dup v31.4s, w3
dequant_\size\()_lshift_loop:
.ifc \size, 8x8
subs w2, w2, #1
.endif
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x1], #64
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
mul v0.4s, v0.4s, v16.4s
mul v1.4s, v1.4s, v17.4s
mul v2.4s, v2.4s, v18.4s
mul v3.4s, v3.4s, v19.4s
sshl v0.4s, v0.4s, v31.4s
sshl v1.4s, v1.4s, v31.4s
sshl v2.4s, v2.4s, v31.4s
sshl v3.4s, v3.4s, v31.4s
st1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0], #64
.ifc \size, 8x8
b.gt dequant_\size\()_lshift_loop
.endif
ret
dequant_\size\()_rshift:
dup v31.4s, w3
.ifc \size, 8x8
dequant_\size\()_rshift_loop:
subs w2, w2, #1
.endif
ld1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x1], #64
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
mul v20.4s, v0.4s, v16.4s
mul v21.4s, v1.4s, v17.4s
mul v22.4s, v2.4s, v18.4s
mul v23.4s, v3.4s, v19.4s
srshl v16.4s, v20.4s, v31.4s
srshl v17.4s, v21.4s, v31.4s
srshl v18.4s, v22.4s, v31.4s
srshl v19.4s, v23.4s, v31.4s
st1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0], #64
.ifc \size, 8x8
b.gt dequant_\size\()_rshift_loop
.endif
ret
endfunc
.endm
DEQUANT 4x4, 4
DEQUANT 8x8, 6
// dequant_4x4_dc( int32_t dct[16], int dequant_mf[6][16], int i_qp )
function dequant_4x4_dc_neon, export=1
DEQUANT_START 6, 6, yes
b.lt dequant_4x4_dc_rshift
lsl w1, w1, w3
dup v31.4s, w1
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
mul v0.4s, v0.4s, v31.4s
mul v1.4s, v1.4s, v31.4s
mul v2.4s, v2.4s, v31.4s
mul v3.4s, v3.4s, v31.4s
st1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
ret
dequant_4x4_dc_rshift:
dup v31.4s, w1
dup v30.4s, w3
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
mul v16.4s, v0.4s, v31.4s
mul v17.4s, v1.4s, v31.4s
mul v18.4s, v2.4s, v31.4s
mul v19.4s, v3.4s, v31.4s
srshl v16.4s, v16.4s, v30.4s
srshl v17.4s, v17.4s, v30.4s
srshl v18.4s, v18.4s, v30.4s
srshl v19.4s, v19.4s, v30.4s
st1 {v16.4s, v17.4s, v18.4s, v19.4s}, [x0]
ret
endfunc
decimate_score_1x 15
decimate_score_1x 16
decimate_score64
// int coeff_last( int32_t *l )
function coeff_last4_neon, export=1
ld1 {v0.4s}, [x0]
uqxtn v0.4h, v0.4s
uqxtn v0.8b, v0.8h
mov w4, #3
cmtst v0.16b, v0.16b, v0.16b
fmov w1, s0
clz w2, w1
sub w0, w4, w2, lsr #3
ret
endfunc
function coeff_last8_neon, export=1
ld1 {v0.4s, v1.4s}, [x0]
uqxtn v0.4h, v0.4s
uqxtn2 v0.8h, v1.4s
uqxtn v0.8b, v0.8h
mov w4, #7
cmtst v0.16b, v0.16b, v0.16b
fmov x1, d0
clz x2, x1
sub x0, x4, x2, lsr #3
ret
endfunc
COEFF_LAST_1x 15, #4
COEFF_LAST_1x 16, #4
COEFF_LAST64
function coeff_level_run4_neon, export=1
ldr x2, [x0]
ld1 {v0.4s}, [x0]
uqxtn v0.4h, v0.4s
uqxtn v0.8b, v0.8h
fmov x2, d0
coeff_level_run_start 8, 16
coeff_level_run 3, 10
ret
endfunc
.macro X264_COEFF_LEVEL_RUN size
function coeff_level_run\size\()_neon, export=1
.if \size == 15
sub x0, x0, #4
.endif
.if \size < 15
ld1 {v0.4s, v1.4s}, [x0]
uqxtn v0.4h, v0.4s
uqxtn2 v0.8h, v1.4s
uqxtn v0.8b, v0.8h
cmtst v0.8b, v0.8b, v0.8b
.else
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
uqxtn v0.4h, v0.4s
uqxtn2 v0.8h, v1.4s
uqxtn v1.4h, v2.4s
uqxtn2 v1.8h, v3.4s
uqxtn v0.8b, v0.8h
uqxtn2 v0.16b, v1.8h
cmtst v0.16b, v0.16b, v0.16b
shrn v0.8b, v0.8h, #4
.endif
fmov x2, d0
.if \size == 15
add x0, x0, #4
.endif
coeff_level_run_start \size, 16
coeff_level_run (4 - (\size + 1) / 8), 10
ret
endfunc
.endm
X264_COEFF_LEVEL_RUN 8
X264_COEFF_LEVEL_RUN 15
X264_COEFF_LEVEL_RUN 16
function denoise_dct_neon, export=1
1: subs w3, w3, #16
ld1 {v0.4s, v1.4s, v2.4s, v3.4s}, [x0]
ld1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1]
abs v16.4s, v0.4s
abs v17.4s, v1.4s
abs v18.4s, v2.4s
abs v19.4s, v3.4s
cmlt v24.4s, v0.4s, #0
cmlt v25.4s, v1.4s, #0
cmlt v26.4s, v2.4s, #0
cmlt v27.4s, v3.4s, #0
ld1 {v20.4s, v21.4s, v22.4s, v23.4s}, [x2], #64
add v4.4s, v4.4s, v16.4s
add v5.4s, v5.4s, v17.4s
sub v28.4s, v16.4s, v20.4s
sub v29.4s, v17.4s, v21.4s
sub v30.4s, v18.4s, v22.4s
sub v31.4s, v19.4s, v23.4s
add v6.4s, v6.4s, v18.4s
add v7.4s, v7.4s, v19.4s
cmlt v20.4s, v28.4s, #0
cmlt v21.4s, v29.4s, #0
cmlt v22.4s, v30.4s, #0
cmlt v23.4s, v31.4s, #0
movi v0.4s, #0
bsl v20.16b, v0.16b, v28.16b
bsl v21.16b, v0.16b, v29.16b
bsl v22.16b, v0.16b, v30.16b
bsl v23.16b, v0.16b, v31.16b
neg v0.4s, v20.4s
neg v1.4s, v21.4s
neg v2.4s, v22.4s
neg v3.4s, v23.4s
bsl v24.16b, v0.16b, v20.16b
bsl v25.16b, v1.16b, v21.16b
bsl v26.16b, v2.16b, v22.16b
bsl v27.16b, v3.16b, v23.16b
st1 {v4.4s, v5.4s, v6.4s, v7.4s}, [x1], #64
st1 {v24.4s, v25.4s, v26.4s, v27.4s}, [x0], #64
b.gt 1b
ret
endfunc
.endif
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