414 lines
16 KiB
ArmAsm
414 lines
16 KiB
ArmAsm
/*
|
|
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
|
|
* Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net>
|
|
*
|
|
* 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/aarch64/asm.S"
|
|
#include "neon.S"
|
|
|
|
function ff_h264_idct_add_neon, export=1
|
|
.L_ff_h264_idct_add_neon:
|
|
ld1 {v0.4H, v1.4H, v2.4H, v3.4H}, [x1]
|
|
sxtw x2, w2
|
|
movi v30.8H, #0
|
|
|
|
add v4.4H, v0.4H, v2.4H
|
|
sshr v16.4H, v1.4H, #1
|
|
st1 {v30.8H}, [x1], #16
|
|
sshr v17.4H, v3.4H, #1
|
|
st1 {v30.8H}, [x1], #16
|
|
sub v5.4H, v0.4H, v2.4H
|
|
sub v6.4H, v16.4H, v3.4H
|
|
add v7.4H, v1.4H, v17.4H
|
|
add v0.4H, v4.4H, v7.4H
|
|
add v1.4H, v5.4H, v6.4H
|
|
sub v2.4H, v5.4H, v6.4H
|
|
sub v3.4H, v4.4H, v7.4H
|
|
|
|
transpose_4x4H v0, v1, v2, v3, v4, v5, v6, v7
|
|
|
|
add v4.4H, v0.4H, v2.4H
|
|
ld1 {v18.S}[0], [x0], x2
|
|
sshr v16.4H, v3.4H, #1
|
|
sshr v17.4H, v1.4H, #1
|
|
ld1 {v18.S}[1], [x0], x2
|
|
sub v5.4H, v0.4H, v2.4H
|
|
ld1 {v19.S}[1], [x0], x2
|
|
add v6.4H, v16.4H, v1.4H
|
|
ins v4.D[1], v5.D[0]
|
|
sub v7.4H, v17.4H, v3.4H
|
|
ld1 {v19.S}[0], [x0], x2
|
|
ins v6.D[1], v7.D[0]
|
|
sub x0, x0, x2, lsl #2
|
|
add v0.8H, v4.8H, v6.8H
|
|
sub v1.8H, v4.8H, v6.8H
|
|
|
|
srshr v0.8H, v0.8H, #6
|
|
srshr v1.8H, v1.8H, #6
|
|
|
|
uaddw v0.8H, v0.8H, v18.8B
|
|
uaddw v1.8H, v1.8H, v19.8B
|
|
|
|
sqxtun v0.8B, v0.8H
|
|
sqxtun v1.8B, v1.8H
|
|
|
|
st1 {v0.S}[0], [x0], x2
|
|
st1 {v0.S}[1], [x0], x2
|
|
st1 {v1.S}[1], [x0], x2
|
|
st1 {v1.S}[0], [x0], x2
|
|
|
|
sub x1, x1, #32
|
|
ret
|
|
endfunc
|
|
|
|
function ff_h264_idct_dc_add_neon, export=1
|
|
.L_ff_h264_idct_dc_add_neon:
|
|
sxtw x2, w2
|
|
mov w3, #0
|
|
ld1r {v2.8H}, [x1]
|
|
strh w3, [x1]
|
|
srshr v2.8H, v2.8H, #6
|
|
ld1 {v0.S}[0], [x0], x2
|
|
ld1 {v0.S}[1], [x0], x2
|
|
uaddw v3.8H, v2.8H, v0.8B
|
|
ld1 {v1.S}[0], [x0], x2
|
|
ld1 {v1.S}[1], [x0], x2
|
|
uaddw v4.8H, v2.8H, v1.8B
|
|
sqxtun v0.8B, v3.8H
|
|
sqxtun v1.8B, v4.8H
|
|
sub x0, x0, x2, lsl #2
|
|
st1 {v0.S}[0], [x0], x2
|
|
st1 {v0.S}[1], [x0], x2
|
|
st1 {v1.S}[0], [x0], x2
|
|
st1 {v1.S}[1], [x0], x2
|
|
ret
|
|
endfunc
|
|
|
|
function ff_h264_idct_add16_neon, export=1
|
|
mov x12, x30
|
|
mov x6, x0 // dest
|
|
mov x5, x1 // block_offset
|
|
mov x1, x2 // block
|
|
mov w9, w3 // stride
|
|
movrel x7, scan8
|
|
mov x10, #16
|
|
movrel x13, .L_ff_h264_idct_dc_add_neon
|
|
movrel x14, .L_ff_h264_idct_add_neon
|
|
1: mov w2, w9
|
|
ldrb w3, [x7], #1
|
|
ldrsw x0, [x5], #4
|
|
ldrb w3, [x4, w3, uxtw]
|
|
subs w3, w3, #1
|
|
b.lt 2f
|
|
ldrsh w3, [x1]
|
|
add x0, x0, x6
|
|
ccmp w3, #0, #4, eq
|
|
csel x15, x13, x14, ne
|
|
blr x15
|
|
2: subs x10, x10, #1
|
|
add x1, x1, #32
|
|
b.ne 1b
|
|
ret x12
|
|
endfunc
|
|
|
|
function ff_h264_idct_add16intra_neon, export=1
|
|
mov x12, x30
|
|
mov x6, x0 // dest
|
|
mov x5, x1 // block_offset
|
|
mov x1, x2 // block
|
|
mov w9, w3 // stride
|
|
movrel x7, scan8
|
|
mov x10, #16
|
|
movrel x13, .L_ff_h264_idct_dc_add_neon
|
|
movrel x14, .L_ff_h264_idct_add_neon
|
|
1: mov w2, w9
|
|
ldrb w3, [x7], #1
|
|
ldrsw x0, [x5], #4
|
|
ldrb w3, [x4, w3, uxtw]
|
|
add x0, x0, x6
|
|
cmp w3, #0
|
|
ldrsh w3, [x1]
|
|
csel x15, x13, x14, eq
|
|
ccmp w3, #0, #0, eq
|
|
b.eq 2f
|
|
blr x15
|
|
2: subs x10, x10, #1
|
|
add x1, x1, #32
|
|
b.ne 1b
|
|
ret x12
|
|
endfunc
|
|
|
|
function ff_h264_idct_add8_neon, export=1
|
|
sub sp, sp, #0x40
|
|
stp x19, x20, [sp]
|
|
mov x12, x30
|
|
ldp x6, x15, [x0] // dest[0], dest[1]
|
|
add x5, x1, #16*4 // block_offset
|
|
add x9, x2, #16*32 // block
|
|
mov w19, w3 // stride
|
|
movrel x13, .L_ff_h264_idct_dc_add_neon
|
|
movrel x14, .L_ff_h264_idct_add_neon
|
|
movrel x7, scan8, 16
|
|
mov x10, #0
|
|
mov x11, #16
|
|
1: mov w2, w19
|
|
ldrb w3, [x7, x10] // scan8[i]
|
|
ldrsw x0, [x5, x10, lsl #2] // block_offset[i]
|
|
ldrb w3, [x4, w3, uxtw] // nnzc[ scan8[i] ]
|
|
add x0, x0, x6 // block_offset[i] + dst[j-1]
|
|
add x1, x9, x10, lsl #5 // block + i * 16
|
|
cmp w3, #0
|
|
ldrsh w3, [x1] // block[i*16]
|
|
csel x20, x13, x14, eq
|
|
ccmp w3, #0, #0, eq
|
|
b.eq 2f
|
|
blr x20
|
|
2: add x10, x10, #1
|
|
cmp x10, #4
|
|
csel x10, x11, x10, eq // mov x10, #16
|
|
csel x6, x15, x6, eq
|
|
cmp x10, #20
|
|
b.lt 1b
|
|
ldp x19, x20, [sp]
|
|
add sp, sp, #0x40
|
|
ret x12
|
|
endfunc
|
|
|
|
.macro idct8x8_cols pass
|
|
.if \pass == 0
|
|
va .req v18
|
|
vb .req v30
|
|
sshr v18.8H, v26.8H, #1
|
|
add v16.8H, v24.8H, v28.8H
|
|
ld1 {v30.8H, v31.8H}, [x1]
|
|
st1 {v19.8H}, [x1], #16
|
|
st1 {v19.8H}, [x1], #16
|
|
sub v17.8H, v24.8H, v28.8H
|
|
sshr v19.8H, v30.8H, #1
|
|
sub v18.8H, v18.8H, v30.8H
|
|
add v19.8H, v19.8H, v26.8H
|
|
.else
|
|
va .req v30
|
|
vb .req v18
|
|
sshr v30.8H, v26.8H, #1
|
|
sshr v19.8H, v18.8H, #1
|
|
add v16.8H, v24.8H, v28.8H
|
|
sub v17.8H, v24.8H, v28.8H
|
|
sub v30.8H, v30.8H, v18.8H
|
|
add v19.8H, v19.8H, v26.8H
|
|
.endif
|
|
add v26.8H, v17.8H, va.8H
|
|
sub v28.8H, v17.8H, va.8H
|
|
add v24.8H, v16.8H, v19.8H
|
|
sub vb.8H, v16.8H, v19.8H
|
|
sub v16.8H, v29.8H, v27.8H
|
|
add v17.8H, v31.8H, v25.8H
|
|
sub va.8H, v31.8H, v25.8H
|
|
add v19.8H, v29.8H, v27.8H
|
|
sub v16.8H, v16.8H, v31.8H
|
|
sub v17.8H, v17.8H, v27.8H
|
|
add va.8H, va.8H, v29.8H
|
|
add v19.8H, v19.8H, v25.8H
|
|
sshr v25.8H, v25.8H, #1
|
|
sshr v27.8H, v27.8H, #1
|
|
sshr v29.8H, v29.8H, #1
|
|
sshr v31.8H, v31.8H, #1
|
|
sub v16.8H, v16.8H, v31.8H
|
|
sub v17.8H, v17.8H, v27.8H
|
|
add va.8H, va.8H, v29.8H
|
|
add v19.8H, v19.8H, v25.8H
|
|
sshr v25.8H, v16.8H, #2
|
|
sshr v27.8H, v17.8H, #2
|
|
sshr v29.8H, va.8H, #2
|
|
sshr v31.8H, v19.8H, #2
|
|
sub v19.8H, v19.8H, v25.8H
|
|
sub va.8H, v27.8H, va.8H
|
|
add v17.8H, v17.8H, v29.8H
|
|
add v16.8H, v16.8H, v31.8H
|
|
.if \pass == 0
|
|
sub v31.8H, v24.8H, v19.8H
|
|
add v24.8H, v24.8H, v19.8H
|
|
add v25.8H, v26.8H, v18.8H
|
|
sub v18.8H, v26.8H, v18.8H
|
|
add v26.8H, v28.8H, v17.8H
|
|
add v27.8H, v30.8H, v16.8H
|
|
sub v29.8H, v28.8H, v17.8H
|
|
sub v28.8H, v30.8H, v16.8H
|
|
.else
|
|
sub v31.8H, v24.8H, v19.8H
|
|
add v24.8H, v24.8H, v19.8H
|
|
add v25.8H, v26.8H, v30.8H
|
|
sub v30.8H, v26.8H, v30.8H
|
|
add v26.8H, v28.8H, v17.8H
|
|
sub v29.8H, v28.8H, v17.8H
|
|
add v27.8H, v18.8H, v16.8H
|
|
sub v28.8H, v18.8H, v16.8H
|
|
.endif
|
|
.unreq va
|
|
.unreq vb
|
|
.endm
|
|
|
|
function ff_h264_idct8_add_neon, export=1
|
|
.L_ff_h264_idct8_add_neon:
|
|
movi v19.8H, #0
|
|
sxtw x2, w2
|
|
ld1 {v24.8H, v25.8H}, [x1]
|
|
st1 {v19.8H}, [x1], #16
|
|
st1 {v19.8H}, [x1], #16
|
|
ld1 {v26.8H, v27.8H}, [x1]
|
|
st1 {v19.8H}, [x1], #16
|
|
st1 {v19.8H}, [x1], #16
|
|
ld1 {v28.8H, v29.8H}, [x1]
|
|
st1 {v19.8H}, [x1], #16
|
|
st1 {v19.8H}, [x1], #16
|
|
|
|
idct8x8_cols 0
|
|
transpose_8x8H v24, v25, v26, v27, v28, v29, v18, v31, v6, v7
|
|
idct8x8_cols 1
|
|
|
|
mov x3, x0
|
|
srshr v24.8H, v24.8H, #6
|
|
ld1 {v0.8B}, [x0], x2
|
|
srshr v25.8H, v25.8H, #6
|
|
ld1 {v1.8B}, [x0], x2
|
|
srshr v26.8H, v26.8H, #6
|
|
ld1 {v2.8B}, [x0], x2
|
|
srshr v27.8H, v27.8H, #6
|
|
ld1 {v3.8B}, [x0], x2
|
|
srshr v28.8H, v28.8H, #6
|
|
ld1 {v4.8B}, [x0], x2
|
|
srshr v29.8H, v29.8H, #6
|
|
ld1 {v5.8B}, [x0], x2
|
|
srshr v30.8H, v30.8H, #6
|
|
ld1 {v6.8B}, [x0], x2
|
|
srshr v31.8H, v31.8H, #6
|
|
ld1 {v7.8B}, [x0], x2
|
|
uaddw v24.8H, v24.8H, v0.8B
|
|
uaddw v25.8H, v25.8H, v1.8B
|
|
uaddw v26.8H, v26.8H, v2.8B
|
|
sqxtun v0.8B, v24.8H
|
|
uaddw v27.8H, v27.8H, v3.8B
|
|
sqxtun v1.8B, v25.8H
|
|
uaddw v28.8H, v28.8H, v4.8B
|
|
sqxtun v2.8B, v26.8H
|
|
st1 {v0.8B}, [x3], x2
|
|
uaddw v29.8H, v29.8H, v5.8B
|
|
sqxtun v3.8B, v27.8H
|
|
st1 {v1.8B}, [x3], x2
|
|
uaddw v30.8H, v30.8H, v6.8B
|
|
sqxtun v4.8B, v28.8H
|
|
st1 {v2.8B}, [x3], x2
|
|
uaddw v31.8H, v31.8H, v7.8B
|
|
sqxtun v5.8B, v29.8H
|
|
st1 {v3.8B}, [x3], x2
|
|
sqxtun v6.8B, v30.8H
|
|
sqxtun v7.8B, v31.8H
|
|
st1 {v4.8B}, [x3], x2
|
|
st1 {v5.8B}, [x3], x2
|
|
st1 {v6.8B}, [x3], x2
|
|
st1 {v7.8B}, [x3], x2
|
|
|
|
sub x1, x1, #128
|
|
ret
|
|
endfunc
|
|
|
|
function ff_h264_idct8_dc_add_neon, export=1
|
|
.L_ff_h264_idct8_dc_add_neon:
|
|
mov w3, #0
|
|
sxtw x2, w2
|
|
ld1r {v31.8H}, [x1]
|
|
strh w3, [x1]
|
|
ld1 {v0.8B}, [x0], x2
|
|
srshr v31.8H, v31.8H, #6
|
|
ld1 {v1.8B}, [x0], x2
|
|
ld1 {v2.8B}, [x0], x2
|
|
uaddw v24.8H, v31.8H, v0.8B
|
|
ld1 {v3.8B}, [x0], x2
|
|
uaddw v25.8H, v31.8H, v1.8B
|
|
ld1 {v4.8B}, [x0], x2
|
|
uaddw v26.8H, v31.8H, v2.8B
|
|
ld1 {v5.8B}, [x0], x2
|
|
uaddw v27.8H, v31.8H, v3.8B
|
|
ld1 {v6.8B}, [x0], x2
|
|
uaddw v28.8H, v31.8H, v4.8B
|
|
ld1 {v7.8B}, [x0], x2
|
|
uaddw v29.8H, v31.8H, v5.8B
|
|
uaddw v30.8H, v31.8H, v6.8B
|
|
uaddw v31.8H, v31.8H, v7.8B
|
|
sqxtun v0.8B, v24.8H
|
|
sqxtun v1.8B, v25.8H
|
|
sqxtun v2.8B, v26.8H
|
|
sqxtun v3.8B, v27.8H
|
|
sub x0, x0, x2, lsl #3
|
|
st1 {v0.8B}, [x0], x2
|
|
sqxtun v4.8B, v28.8H
|
|
st1 {v1.8B}, [x0], x2
|
|
sqxtun v5.8B, v29.8H
|
|
st1 {v2.8B}, [x0], x2
|
|
sqxtun v6.8B, v30.8H
|
|
st1 {v3.8B}, [x0], x2
|
|
sqxtun v7.8B, v31.8H
|
|
st1 {v4.8B}, [x0], x2
|
|
st1 {v5.8B}, [x0], x2
|
|
st1 {v6.8B}, [x0], x2
|
|
st1 {v7.8B}, [x0], x2
|
|
ret
|
|
endfunc
|
|
|
|
function ff_h264_idct8_add4_neon, export=1
|
|
mov x12, x30
|
|
mov x6, x0
|
|
mov x5, x1
|
|
mov x1, x2
|
|
mov w2, w3
|
|
movrel x7, scan8
|
|
mov w10, #16
|
|
movrel x13, .L_ff_h264_idct8_dc_add_neon
|
|
movrel x14, .L_ff_h264_idct8_add_neon
|
|
1: ldrb w9, [x7], #4
|
|
ldrsw x0, [x5], #16
|
|
ldrb w9, [x4, w9, UXTW]
|
|
subs w9, w9, #1
|
|
b.lt 2f
|
|
ldrsh w11, [x1]
|
|
add x0, x6, x0
|
|
ccmp w11, #0, #4, eq
|
|
csel x15, x13, x14, ne
|
|
blr x15
|
|
2: subs w10, w10, #4
|
|
add x1, x1, #128
|
|
b.ne 1b
|
|
ret x12
|
|
endfunc
|
|
|
|
const scan8
|
|
.byte 4+ 1*8, 5+ 1*8, 4+ 2*8, 5+ 2*8
|
|
.byte 6+ 1*8, 7+ 1*8, 6+ 2*8, 7+ 2*8
|
|
.byte 4+ 3*8, 5+ 3*8, 4+ 4*8, 5+ 4*8
|
|
.byte 6+ 3*8, 7+ 3*8, 6+ 4*8, 7+ 4*8
|
|
.byte 4+ 6*8, 5+ 6*8, 4+ 7*8, 5+ 7*8
|
|
.byte 6+ 6*8, 7+ 6*8, 6+ 7*8, 7+ 7*8
|
|
.byte 4+ 8*8, 5+ 8*8, 4+ 9*8, 5+ 9*8
|
|
.byte 6+ 8*8, 7+ 8*8, 6+ 9*8, 7+ 9*8
|
|
.byte 4+11*8, 5+11*8, 4+12*8, 5+12*8
|
|
.byte 6+11*8, 7+11*8, 6+12*8, 7+12*8
|
|
.byte 4+13*8, 5+13*8, 4+14*8, 5+14*8
|
|
.byte 6+13*8, 7+13*8, 6+14*8, 7+14*8
|
|
endconst
|