mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
415 lines
16 KiB
415 lines
16 KiB
/* |
|
* 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: |
|
AARCH64_VALID_CALL_TARGET |
|
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: |
|
AARCH64_VALID_CALL_TARGET |
|
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 |
|
stp x19, x20, [sp, #-0x40]! |
|
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], #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: |
|
AARCH64_VALID_CALL_TARGET |
|
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: |
|
AARCH64_VALID_CALL_TARGET |
|
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
|
|
|