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.
600 lines
22 KiB
600 lines
22 KiB
/* -*-arm64-*- |
|
* vim: syntax=arm64asm |
|
* |
|
* Copyright (c) 2014 Seppo Tomperi <seppo.tomperi@vtt.fi> |
|
* Copyright (c) 2023 J. Dekker <jdek@itanimul.li> |
|
* |
|
* 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" |
|
|
|
.macro hevc_loop_filter_chroma_start bitdepth |
|
mov x4, x30 |
|
ldr w14, [x2] |
|
ldr w15, [x2, #4] |
|
.if \bitdepth > 8 |
|
lsl w14, w14, #(\bitdepth - 8) |
|
lsl w15, w15, #(\bitdepth - 8) |
|
.endif |
|
adds w2, w14, w15 |
|
b.eq 1f |
|
dup v16.4h, w14 |
|
dup v17.4h, w15 |
|
trn1 v16.2d, v16.2d, v17.2d |
|
.if \bitdepth > 8 |
|
mvni v19.8h, #((0xff << (\bitdepth - 8)) & 0xff), lsl #8 |
|
movi v18.8h, #0 |
|
.endif |
|
neg v17.8h, v16.8h |
|
.endm |
|
|
|
.macro hevc_loop_filter_chroma_body bitdepth |
|
.if \bitdepth <= 8 |
|
uxtl v20.8h, v0.8b // p1 |
|
uxtl v1.8h, v1.8b // p0 |
|
uxtl v2.8h, v2.8b // q0 |
|
uxtl v23.8h, v3.8b // q1 |
|
va .req v20 |
|
vb .req v23 |
|
.else // required to specify both cases as we are unable to do: v0 .req v20 |
|
va .req v0 |
|
vb .req v3 |
|
.endif |
|
sub v5.8h, v2.8h, v1.8h // q0 - p0 |
|
sub v6.8h, va.8h, vb.8h // p1 - q1 |
|
shl v5.8h, v5.8h, #2 |
|
add v5.8h, v6.8h, v5.8h |
|
srshr v5.8h, v5.8h, #3 |
|
clip v17.8h, v16.8h, v5.8h |
|
sqadd v1.8h, v1.8h, v5.8h // p0 + delta |
|
sqsub v2.8h, v2.8h, v5.8h // q0 - delta |
|
.if \bitdepth <= 8 |
|
sqxtun v1.8b, v1.8h |
|
sqxtun v2.8b, v2.8h |
|
.else |
|
clip v18.8h, v19.8h, v1.8h, v2.8h |
|
.endif |
|
.unreq va |
|
.unreq vb |
|
.endm |
|
|
|
function hevc_loop_filter_chroma_body_8_neon, export=0 |
|
hevc_loop_filter_chroma_body 8 |
|
ret |
|
endfunc |
|
|
|
function hevc_loop_filter_chroma_body_10_neon, export=0 |
|
hevc_loop_filter_chroma_body_12_neon: |
|
hevc_loop_filter_chroma_body 10 |
|
ret |
|
endfunc |
|
|
|
// void ff_hevc_h_loop_filter_chroma_8_neon(uint8_t *_pix, ptrdiff_t _stride, int *_tc, uint8_t *_no_p, uint8_t *_no_q); |
|
|
|
.macro hevc_h_loop_filter_chroma bitdepth |
|
function ff_hevc_h_loop_filter_chroma_\bitdepth\()_neon, export=1 |
|
hevc_loop_filter_chroma_start \bitdepth |
|
sub x0, x0, x1, lsl #1 |
|
.if \bitdepth > 8 |
|
ld1 {v0.8h}, [x0], x1 |
|
ld1 {v1.8h}, [x0], x1 |
|
ld1 {v2.8h}, [x0], x1 |
|
ld1 {v3.8h}, [x0] |
|
.else |
|
ld1 {v0.8b}, [x0], x1 |
|
ld1 {v1.8b}, [x0], x1 |
|
ld1 {v2.8b}, [x0], x1 |
|
ld1 {v3.8b}, [x0] |
|
.endif |
|
sub x0, x0, x1, lsl #1 |
|
bl hevc_loop_filter_chroma_body_\bitdepth\()_neon |
|
.if \bitdepth > 8 |
|
st1 {v1.8h}, [x0], x1 |
|
st1 {v2.8h}, [x0] |
|
.else |
|
st1 {v1.8b}, [x0], x1 |
|
st1 {v2.8b}, [x0] |
|
.endif |
|
1: ret x4 |
|
endfunc |
|
.endm |
|
|
|
.macro hevc_v_loop_filter_chroma bitdepth |
|
function ff_hevc_v_loop_filter_chroma_\bitdepth\()_neon, export=1 |
|
hevc_loop_filter_chroma_start \bitdepth |
|
.if \bitdepth > 8 |
|
sub x0, x0, #4 |
|
add x3, x0, x1 |
|
lsl x1, x1, #1 |
|
ld1 {v0.d}[0], [x0], x1 |
|
ld1 {v1.d}[0], [x3], x1 |
|
ld1 {v2.d}[0], [x0], x1 |
|
ld1 {v3.d}[0], [x3], x1 |
|
ld1 {v0.d}[1], [x0], x1 |
|
ld1 {v1.d}[1], [x3], x1 |
|
ld1 {v2.d}[1], [x0], x1 |
|
ld1 {v3.d}[1], [x3], x1 |
|
transpose_4x8H v0, v1, v2, v3, v28, v29, v30, v31 |
|
.else |
|
sub x0, x0, #2 |
|
add x3, x0, x1 |
|
lsl x1, x1, #1 |
|
ld1 {v0.s}[0], [x0], x1 |
|
ld1 {v1.s}[0], [x3], x1 |
|
ld1 {v2.s}[0], [x0], x1 |
|
ld1 {v3.s}[0], [x3], x1 |
|
ld1 {v0.s}[1], [x0], x1 |
|
ld1 {v1.s}[1], [x3], x1 |
|
ld1 {v2.s}[1], [x0], x1 |
|
ld1 {v3.s}[1], [x3], x1 |
|
transpose_4x8B v0, v1, v2, v3, v28, v29, v30, v31 |
|
.endif |
|
sub x0, x0, x1, lsl #2 |
|
sub x3, x3, x1, lsl #2 |
|
bl hevc_loop_filter_chroma_body_\bitdepth\()_neon |
|
.if \bitdepth > 8 |
|
transpose_4x8H v0, v1, v2, v3, v28, v29, v30, v31 |
|
st1 {v0.d}[0], [x0], x1 |
|
st1 {v1.d}[0], [x3], x1 |
|
st1 {v2.d}[0], [x0], x1 |
|
st1 {v3.d}[0], [x3], x1 |
|
st1 {v0.d}[1], [x0], x1 |
|
st1 {v1.d}[1], [x3], x1 |
|
st1 {v2.d}[1], [x0], x1 |
|
st1 {v3.d}[1], [x3] |
|
.else |
|
transpose_4x8B v0, v1, v2, v3, v28, v29, v30, v31 |
|
st1 {v0.s}[0], [x0], x1 |
|
st1 {v1.s}[0], [x3], x1 |
|
st1 {v2.s}[0], [x0], x1 |
|
st1 {v3.s}[0], [x3], x1 |
|
st1 {v0.s}[1], [x0], x1 |
|
st1 {v1.s}[1], [x3], x1 |
|
st1 {v2.s}[1], [x0], x1 |
|
st1 {v3.s}[1], [x3] |
|
.endif |
|
1: ret x4 |
|
endfunc |
|
.endm |
|
|
|
hevc_h_loop_filter_chroma 8 |
|
hevc_h_loop_filter_chroma 10 |
|
hevc_h_loop_filter_chroma 12 |
|
|
|
hevc_v_loop_filter_chroma 8 |
|
hevc_v_loop_filter_chroma 10 |
|
hevc_v_loop_filter_chroma 12 |
|
|
|
.macro hevc_loop_filter_luma_body bitdepth |
|
function hevc_loop_filter_luma_body_\bitdepth\()_neon, export=0 |
|
.if \bitdepth > 8 |
|
lsl w2, w2, #(\bitdepth - 8) // beta <<= BIT_DEPTH - 8 |
|
.else |
|
uxtl v0.8h, v0.8b |
|
uxtl v1.8h, v1.8b |
|
uxtl v2.8h, v2.8b |
|
uxtl v3.8h, v3.8b |
|
uxtl v4.8h, v4.8b |
|
uxtl v5.8h, v5.8b |
|
uxtl v6.8h, v6.8b |
|
uxtl v7.8h, v7.8b |
|
.endif |
|
ldr w7, [x3] // tc[0] |
|
ldr w8, [x3, #4] // tc[1] |
|
dup v18.4h, w7 |
|
dup v19.4h, w8 |
|
trn1 v18.2d, v18.2d, v19.2d |
|
.if \bitdepth > 8 |
|
shl v18.8h, v18.8h, #(\bitdepth - 8) |
|
.endif |
|
dup v27.8h, w2 // beta |
|
// tc25 |
|
shl v19.8h, v18.8h, #2 // * 4 |
|
add v19.8h, v19.8h, v18.8h // (tc * 5) |
|
srshr v19.8h, v19.8h, #1 // (tc * 5 + 1) >> 1 |
|
sshr v17.8h, v27.8h, #2 // beta2 |
|
|
|
////// beta_2 check |
|
// dp0 = abs(P2 - 2 * P1 + P0) |
|
add v22.8h, v3.8h, v1.8h |
|
shl v23.8h, v2.8h, #1 |
|
sabd v30.8h, v22.8h, v23.8h |
|
// dq0 = abs(Q2 - 2 * Q1 + Q0) |
|
add v21.8h, v6.8h, v4.8h |
|
shl v26.8h, v5.8h, #1 |
|
sabd v31.8h, v21.8h, v26.8h |
|
// d0 = dp0 + dq0 |
|
add v20.8h, v30.8h, v31.8h |
|
shl v25.8h, v20.8h, #1 |
|
// (d0 << 1) < beta_2 |
|
cmgt v23.8h, v17.8h, v25.8h |
|
|
|
////// beta check |
|
// d0 + d3 < beta |
|
mov x9, #0xFFFF00000000FFFF |
|
dup v24.2d, x9 |
|
and v25.16b, v24.16b, v20.16b |
|
addp v25.8h, v25.8h, v25.8h // 1+0 0+1 1+0 0+1 |
|
addp v25.4h, v25.4h, v25.4h // 1+0+0+1 1+0+0+1 |
|
cmgt v25.4h, v27.4h, v25.4h // lower/upper mask in h[0/1] |
|
mov w9, v25.s[0] |
|
cmp w9, #0 |
|
sxtl v26.4s, v25.4h |
|
sxtl v16.2d, v26.2s // full skip mask |
|
b.eq 3f // skip both blocks |
|
|
|
// TODO: we can check the full skip mask with the weak/strong mask to |
|
// potentially skip weak or strong calculation entirely if we only have one |
|
|
|
////// beta_3 check |
|
// abs(P3 - P0) + abs(Q3 - Q0) < beta_3 |
|
sshr v17.8h, v17.8h, #1 // beta_3 |
|
sabd v20.8h, v0.8h, v3.8h |
|
saba v20.8h, v7.8h, v4.8h |
|
cmgt v21.8h, v17.8h, v20.8h |
|
|
|
and v23.16b, v23.16b, v21.16b |
|
|
|
////// tc25 check |
|
// abs(P0 - Q0) < tc25 |
|
sabd v20.8h, v3.8h, v4.8h |
|
cmgt v21.8h, v19.8h, v20.8h |
|
|
|
and v23.16b, v23.16b, v21.16b |
|
|
|
////// Generate low/high line max from lines 0/3/4/7 |
|
// mask out lines 2/3/5/6 |
|
not v20.16b, v24.16b // 0x0000FFFFFFFF0000 |
|
orr v23.16b, v23.16b, v20.16b |
|
|
|
// generate weak/strong mask |
|
uminp v23.8h, v23.8h, v23.8h // extend to singles |
|
sxtl v23.4s, v23.4h |
|
uminp v26.4s, v23.4s, v23.4s // check lines |
|
// extract to gpr |
|
ext v25.16b, v26.16b, v26.16b, #2 |
|
zip1 v17.4s, v26.4s, v26.4s |
|
mov w12, v25.s[0] |
|
mov w11, #0x0000FFFF |
|
mov w13, #0xFFFF0000 |
|
// FFFF FFFF -> strong strong |
|
// FFFF 0000 -> strong weak |
|
// 0000 FFFF -> weak strong |
|
// 0000 0000 -> weak weak |
|
cmp w12, w13 |
|
b.hi 0f // only strong/strong, skip weak nd_p/nd_q calc |
|
|
|
////// weak nd_p/nd_q |
|
// d0+d3 |
|
and v30.16b, v30.16b, v24.16b // d0 __ __ d3 d4 __ __ d7 |
|
and v31.16b, v31.16b, v24.16b |
|
addp v30.8h, v30.8h, v30.8h // [d0+__ __+d3 d4+__ __+d7] [ ... ] |
|
addp v31.8h, v31.8h, v31.8h // [d0+d3 d4+d7] |
|
addp v30.4h, v30.4h, v30.4h |
|
addp v31.4h, v31.4h, v31.4h |
|
|
|
// ((beta + (beta >> 1)) >> 3) |
|
sshr v21.8h, v27.8h, #1 |
|
add v21.8h, v21.8h, v27.8h |
|
sshr v21.8h, v21.8h, #3 |
|
|
|
// nd_p = dp0 + dp3 < ((beta + (beta >> 1)) >> 3) |
|
cmgt v30.8h, v21.8h, v30.8h |
|
// nd_q = dq0 + dq3 < ((beta + (beta >> 1)) >> 3) |
|
cmgt v31.8h, v21.8h, v31.8h |
|
|
|
sxtl v30.4s, v30.4h |
|
sxtl v31.4s, v31.4h |
|
sxtl v28.2d, v30.2s |
|
sxtl v29.2d, v31.2s |
|
|
|
cmp w12, w11 |
|
b.lo 1f // can only be weak weak, skip strong |
|
|
|
0: // STRONG FILTER |
|
|
|
// P0 = p0 + av_clip(((p2 + 2 * p1 + 2 * p0 + 2 * q0 + q1 + 4) >> 3) - p0, -tc3, tc3); |
|
add v21.8h, v2.8h, v3.8h // (p1 + p0 |
|
add v21.8h, v4.8h, v21.8h // + q0) |
|
shl v21.8h, v21.8h, #1 // * 2 |
|
add v22.8h, v1.8h, v5.8h // (p2 + q1) |
|
add v21.8h, v22.8h, v21.8h // + |
|
srshr v21.8h, v21.8h, #3 // >> 3 |
|
sub v21.8h, v21.8h, v3.8h // - p0 |
|
|
|
// P1 = p1 + av_clip(((p2 + p1 + p0 + q0 + 2) >> 2) - p1, -tc2, tc2); |
|
|
|
add v22.8h, v1.8h, v2.8h |
|
add v23.8h, v3.8h, v4.8h |
|
add v22.8h, v22.8h, v23.8h |
|
srshr v22.8h, v22.8h, #2 |
|
sub v22.8h, v22.8h, v2.8h |
|
|
|
// P2 = p2 + av_clip(((2 * p3 + 3 * p2 + p1 + p0 + q0 + 4) >> 3) - p2, -tc, tc); |
|
|
|
add v23.8h, v0.8h, v1.8h // p3 + p2 |
|
add v24.8h, v3.8h, v4.8h // p0 + q0 |
|
shl v23.8h, v23.8h, #1 // * 2 |
|
add v23.8h, v23.8h, v24.8h |
|
add v24.8h, v1.8h, v2.8h // p2 + p1 |
|
add v23.8h, v23.8h, v24.8h |
|
srshr v23.8h, v23.8h, #3 |
|
sub v23.8h, v23.8h, v1.8h |
|
|
|
// Q0 = q0 + av_clip(((p1 + 2 * p0 + 2 * q0 + 2 * q1 + q2 + 4) >> 3) - q0, -tc3, tc3); |
|
add v24.8h, v3.8h, v4.8h // (p0 + q0 |
|
add v24.8h, v5.8h, v24.8h // + q1) |
|
shl v24.8h, v24.8h, #1 // * 2 |
|
add v25.8h, v2.8h, v6.8h // (p1 + q2) |
|
add v24.8h, v25.8h, v24.8h // + |
|
srshr v24.8h, v24.8h, #3 // >> 3 |
|
sub v24.8h, v24.8h, v4.8h // - q0 |
|
|
|
// Q1 = q1 + av_clip(((p0 + q0 + q1 + q2 + 2) >> 2) - q1, -tc2, tc2); |
|
|
|
add v25.8h, v6.8h, v5.8h |
|
add v26.8h, v3.8h, v4.8h |
|
add v25.8h, v25.8h, v26.8h |
|
srshr v25.8h, v25.8h, #2 |
|
sub v25.8h, v25.8h, v5.8h |
|
|
|
// Q2 = q2 + av_clip(((2 * q3 + 3 * q2 + q1 + q0 + p0 + 4) >> 3) - q2, -tc, tc); |
|
|
|
add v26.8h, v7.8h, v6.8h |
|
add v27.8h, v6.8h, v5.8h |
|
shl v26.8h, v26.8h, #1 |
|
add v26.8h, v26.8h, v27.8h |
|
add v27.8h, v3.8h, v4.8h |
|
add v26.8h, v26.8h, v27.8h |
|
srshr v26.8h, v26.8h, #3 |
|
sub v26.8h, v26.8h, v6.8h |
|
|
|
// this clip should work properly |
|
shl v30.8h, v18.8h, #1 // tc2 |
|
neg v31.8h, v30.8h // -tc2 |
|
clip v31.8h, v30.8h, v21.8h, v22.8h, v23.8h, v24.8h, v25.8h, v26.8h |
|
|
|
and v21.16b, v21.16b, v16.16b |
|
and v22.16b, v22.16b, v16.16b |
|
and v23.16b, v23.16b, v16.16b |
|
and v24.16b, v24.16b, v16.16b |
|
and v25.16b, v25.16b, v16.16b |
|
and v26.16b, v26.16b, v16.16b |
|
|
|
add v23.8h, v23.8h, v1.8h // careful |
|
add v22.8h, v22.8h, v2.8h |
|
add v21.8h, v21.8h, v3.8h |
|
add v24.8h, v24.8h, v4.8h |
|
add v25.8h, v25.8h, v5.8h |
|
add v26.8h, v26.8h, v6.8h |
|
|
|
cmp w12, w13 |
|
b.hi 2f // only strong/strong, skip weak |
|
|
|
1: // WEAK FILTER |
|
|
|
// delta0 = (9 * (q0 - p0) - 3 * (q1 - p1) + 8) >> 4 |
|
.if \bitdepth < 12 |
|
sub v27.8h, v4.8h, v3.8h // q0 - p0 |
|
shl v30.8h, v27.8h, #3 // * 8 |
|
add v27.8h, v27.8h, v30.8h // 9 * (q0 - p0) |
|
|
|
sub v30.8h, v5.8h, v2.8h // q1 - p1 |
|
shl v31.8h, v30.8h, #1 // * 2 |
|
|
|
sub v27.8h, v27.8h, v31.8h |
|
sub v27.8h, v27.8h, v30.8h // - 3 * (q1 - p1) |
|
srshr v27.8h, v27.8h, #4 |
|
.else |
|
sub v19.8h, v4.8h, v3.8h // q0 - p0 |
|
sub v20.8h, v5.8h, v2.8h // q1 - p1 |
|
|
|
sshll v30.4s, v19.4h, #3 // * 8 |
|
sshll2 v31.4s, v19.8h, #3 |
|
|
|
shl v27.8h, v20.8h, #1 |
|
|
|
saddw v30.4s, v30.4s, v19.4h // 9 * (q0 - p0) |
|
saddw2 v31.4s, v31.4s, v19.8h |
|
|
|
saddl v19.4s, v27.4h, v20.4h // 3 * (q1 - p1) |
|
saddl2 v20.4s, v27.8h, v20.8h |
|
|
|
sub v19.4s, v30.4s, v19.4s |
|
sub v20.4s, v31.4s, v20.4s |
|
|
|
sqrshrn v27.4h, v19.4s, #4 |
|
sqrshrn2 v27.8h, v20.4s, #4 |
|
.endif |
|
|
|
// delta0 10tc check mask |
|
shl v30.8h, v18.8h, #1 // * 2 |
|
shl v31.8h, v18.8h, #3 // * 8 |
|
add v30.8h, v30.8h, v31.8h // 10 * tc |
|
abs v31.8h, v27.8h |
|
cmgt v20.8h, v30.8h, v31.8h // abs(delta0) < 10 * tc |
|
|
|
and v20.16b, v20.16b, v16.16b // combine with full mask |
|
|
|
neg v31.8h, v18.8h // -tc |
|
clip v31.8h, v18.8h, v27.8h // delta0 = av_clip(delta0, -tc, tc) |
|
|
|
// deltap1 = av_clip((((p2 + p0 + 1) >> 1) - p1 + delta0) >> 1, -tc_2, tc_2) |
|
add v30.8h, v1.8h, v3.8h |
|
srshr v30.8h, v30.8h, #1 |
|
sub v30.8h, v30.8h, v2.8h |
|
add v30.8h, v30.8h, v27.8h |
|
sshr v30.8h, v30.8h, #1 |
|
|
|
// p3 p2 p1 p0 q0 q1 q2 q3 |
|
// v0 v1 v2 v3 v4 v5 v6 v7 |
|
|
|
// deltaq1 = av_clip((((q2 + q0 + 1) >> 1) - q1 - delta0) >> 1, -tc_2, tc_2); |
|
add v31.8h, v6.8h, v4.8h |
|
srshr v31.8h, v31.8h, #1 |
|
sub v31.8h, v31.8h, v5.8h |
|
sub v31.8h, v31.8h, v27.8h |
|
sshr v31.8h, v31.8h, #1 |
|
|
|
// apply nd_p nd_q mask to deltap1/deltaq1 |
|
and v30.16b, v30.16b, v28.16b |
|
and v31.16b, v31.16b, v29.16b |
|
|
|
// apply full skip mask to deltap1/deltaq1/delta0 |
|
and v30.16b, v30.16b, v20.16b |
|
and v27.16b, v27.16b, v20.16b |
|
and v31.16b, v31.16b, v20.16b |
|
|
|
// clip P1/Q1 to -tc_2, tc_2 |
|
sshr v18.8h, v18.8h, #1 // tc2 |
|
neg v28.8h, v18.8h |
|
clip v28.8h, v18.8h, v30.8h, v31.8h |
|
|
|
// P0 = av_clip_pixel(p0 + delta0) |
|
// Q0 = av_clip_pixel(q0 - delta0) |
|
add v29.8h, v3.8h, v27.8h // P0 |
|
sub v27.8h, v4.8h, v27.8h // Q0 |
|
|
|
// P1 = av_clip_pixel(p1 + deltap1) |
|
// Q1 = av_clip_pixel(q1 + deltaq1) |
|
add v30.8h, v2.8h, v30.8h // P1 |
|
add v31.8h, v5.8h, v31.8h // Q1 |
|
|
|
2: // MIX WEAK/STRONG |
|
|
|
mov v19.16b, v1.16b |
|
mov v20.16b, v6.16b |
|
// copy selection mask |
|
mov v1.16b, v17.16b |
|
mov v2.16b, v17.16b |
|
mov v3.16b, v17.16b |
|
mov v4.16b, v17.16b |
|
mov v5.16b, v17.16b |
|
mov v6.16b, v17.16b |
|
// select |
|
bsl v1.16b, v23.16b, v19.16b // P2 strong/orig |
|
bsl v2.16b, v22.16b, v30.16b // P1 strong/weak |
|
bsl v3.16b, v21.16b, v29.16b // P0 strong/weak |
|
bsl v4.16b, v24.16b, v27.16b // Q0 strong/weak |
|
bsl v5.16b, v25.16b, v31.16b // Q1 strong/weak |
|
bsl v6.16b, v26.16b, v20.16b // Q2 strong/orig |
|
// NOTE: Q3/P3 are unchanged |
|
|
|
.if \bitdepth > 8 |
|
movi v19.8h, #0 |
|
dup v20.8h, w14 |
|
clip v19.8h, v20.8h, v1.8h, v2.8h, v3.8h, v4.8h, v5.8h, v6.8h |
|
.else |
|
sqxtun v0.8b, v0.8h |
|
sqxtun v1.8b, v1.8h |
|
sqxtun v2.8b, v2.8h |
|
sqxtun v3.8b, v3.8h |
|
sqxtun v4.8b, v4.8h |
|
sqxtun v5.8b, v5.8h |
|
sqxtun v6.8b, v6.8h |
|
sqxtun v7.8b, v7.8h |
|
.endif |
|
ret |
|
3: ret x6 |
|
endfunc |
|
.endm |
|
|
|
hevc_loop_filter_luma_body 8 |
|
hevc_loop_filter_luma_body 10 |
|
hevc_loop_filter_luma_body 12 |
|
|
|
// hevc_v_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int beta, const int32_t *tc, const uint8_t *no_p, const uint8_t *no_q) |
|
|
|
.macro hevc_loop_filter_luma dir, bitdepth |
|
function ff_hevc_\dir\()_loop_filter_luma_\bitdepth\()_neon, export=1 |
|
mov x6, x30 |
|
.ifc \dir, v |
|
.if \bitdepth > 8 |
|
sub x0, x0, #8 |
|
.else |
|
sub x0, x0, #4 |
|
.endif |
|
.else |
|
sub x0, x0, x1, lsl #2 // -4 * xstride |
|
.endif |
|
mov x10, x0 |
|
.if \bitdepth > 8 |
|
ld1 {v0.8h}, [x0], x1 |
|
ld1 {v1.8h}, [x0], x1 |
|
ld1 {v2.8h}, [x0], x1 |
|
ld1 {v3.8h}, [x0], x1 |
|
ld1 {v4.8h}, [x0], x1 |
|
ld1 {v5.8h}, [x0], x1 |
|
ld1 {v6.8h}, [x0], x1 |
|
ld1 {v7.8h}, [x0] |
|
mov w14, #((1 << \bitdepth) - 1) |
|
.ifc \dir, v |
|
transpose_8x8H v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
|
.endif |
|
.else |
|
ld1 {v0.8b}, [x0], x1 |
|
ld1 {v1.8b}, [x0], x1 |
|
ld1 {v2.8b}, [x0], x1 |
|
ld1 {v3.8b}, [x0], x1 |
|
ld1 {v4.8b}, [x0], x1 |
|
ld1 {v5.8b}, [x0], x1 |
|
ld1 {v6.8b}, [x0], x1 |
|
ld1 {v7.8b}, [x0] |
|
.ifc \dir, v |
|
transpose_8x8B v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
|
.endif |
|
.endif |
|
bl hevc_loop_filter_luma_body_\bitdepth\()_neon |
|
.if \bitdepth > 8 |
|
.ifc \dir, v |
|
transpose_8x8H v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
|
.endif |
|
st1 {v0.8h}, [x10], x1 |
|
st1 {v1.8h}, [x10], x1 |
|
st1 {v2.8h}, [x10], x1 |
|
st1 {v3.8h}, [x10], x1 |
|
st1 {v4.8h}, [x10], x1 |
|
st1 {v5.8h}, [x10], x1 |
|
st1 {v6.8h}, [x10], x1 |
|
st1 {v7.8h}, [x10] |
|
.else |
|
.ifc \dir, v |
|
transpose_8x8B v0, v1, v2, v3, v4, v5, v6, v7, v16, v17 |
|
.endif |
|
st1 {v0.8b}, [x10], x1 |
|
st1 {v1.8b}, [x10], x1 |
|
st1 {v2.8b}, [x10], x1 |
|
st1 {v3.8b}, [x10], x1 |
|
st1 {v4.8b}, [x10], x1 |
|
st1 {v5.8b}, [x10], x1 |
|
st1 {v6.8b}, [x10], x1 |
|
st1 {v7.8b}, [x10] |
|
.endif |
|
ret x6 |
|
endfunc |
|
.endm |
|
|
|
hevc_loop_filter_luma h, 8 |
|
hevc_loop_filter_luma h, 10 |
|
hevc_loop_filter_luma h, 12 |
|
|
|
hevc_loop_filter_luma v, 8 |
|
hevc_loop_filter_luma v, 10 |
|
hevc_loop_filter_luma v, 12
|
|
|