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.
121 lines
4.8 KiB
121 lines
4.8 KiB
/* |
|
* Copyright (c) 2010 Mans Rullgard <mans@mansr.com> |
|
* |
|
* 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 "asm.S" |
|
|
|
.macro vp6_edge_filter |
|
vdup.16 q3, r2 @ t |
|
vmov.i16 q13, #1 |
|
vsubl.u8 q0, d20, d18 @ p[ 0] - p[-s] |
|
vsubl.u8 q1, d16, d22 @ p[-2*s] - p[ s] |
|
vsubl.u8 q14, d21, d19 |
|
vsubl.u8 q15, d17, d23 |
|
vadd.i16 q2, q0, q0 @ 2*(p[0]-p[-s]) |
|
vadd.i16 d29, d28, d28 |
|
vadd.i16 q0, q0, q1 @ p[0]-p[-s] + p[-2*s]-p[s] |
|
vadd.i16 d28, d28, d30 |
|
vadd.i16 q0, q0, q2 @ 3*(p[0]-p[-s]) + p[-2*s]-p[s] |
|
vadd.i16 d28, d28, d29 |
|
vrshr.s16 q0, q0, #3 @ v |
|
vrshr.s16 d28, d28, #3 |
|
vsub.i16 q8, q3, q13 @ t-1 |
|
vabs.s16 q1, q0 @ V |
|
vshr.s16 q2, q0, #15 @ s |
|
vabs.s16 d30, d28 |
|
vshr.s16 d29, d28, #15 |
|
vsub.i16 q12, q1, q3 @ V-t |
|
vsub.i16 d31, d30, d6 |
|
vsub.i16 q12, q12, q13 @ V-t-1 |
|
vsub.i16 d31, d31, d26 |
|
vcge.u16 q12, q12, q8 @ V-t-1 >= t-1 |
|
vcge.u16 d31, d31, d16 |
|
vadd.i16 q13, q3, q3 @ 2*t |
|
vadd.i16 d16, d6, d6 |
|
vsub.i16 q13, q13, q1 @ 2*t - V |
|
vsub.i16 d16, d16, d30 |
|
vadd.i16 q13, q13, q2 @ += s |
|
vadd.i16 d16, d16, d29 |
|
veor q13, q13, q2 @ ^= s |
|
veor d16, d16, d29 |
|
vbif q0, q13, q12 |
|
vbif d28, d16, d31 |
|
vmovl.u8 q1, d20 |
|
vmovl.u8 q15, d21 |
|
vaddw.u8 q2, q0, d18 |
|
vaddw.u8 q3, q14, d19 |
|
vsub.i16 q1, q1, q0 |
|
vsub.i16 d30, d30, d28 |
|
vqmovun.s16 d18, q2 |
|
vqmovun.s16 d19, q3 |
|
vqmovun.s16 d20, q1 |
|
vqmovun.s16 d21, q15 |
|
.endm |
|
|
|
function ff_vp6_edge_filter_ver_neon, export=1 |
|
sub r0, r0, r1, lsl #1 |
|
vld1.8 {q8}, [r0], r1 @ p[-2*s] |
|
vld1.8 {q9}, [r0], r1 @ p[-s] |
|
vld1.8 {q10}, [r0], r1 @ p[0] |
|
vld1.8 {q11}, [r0] @ p[s] |
|
vp6_edge_filter |
|
sub r0, r0, r1, lsl #1 |
|
sub r1, r1, #8 |
|
vst1.8 {d18}, [r0]! |
|
vst1.32 {d19[0]}, [r0], r1 |
|
vst1.8 {d20}, [r0]! |
|
vst1.32 {d21[0]}, [r0] |
|
bx lr |
|
endfunc |
|
|
|
function ff_vp6_edge_filter_hor_neon, export=1 |
|
sub r3, r0, #1 |
|
sub r0, r0, #2 |
|
vld1.32 {d16[0]}, [r0], r1 |
|
vld1.32 {d18[0]}, [r0], r1 |
|
vld1.32 {d20[0]}, [r0], r1 |
|
vld1.32 {d22[0]}, [r0], r1 |
|
vld1.32 {d16[1]}, [r0], r1 |
|
vld1.32 {d18[1]}, [r0], r1 |
|
vld1.32 {d20[1]}, [r0], r1 |
|
vld1.32 {d22[1]}, [r0], r1 |
|
vld1.32 {d17[0]}, [r0], r1 |
|
vld1.32 {d19[0]}, [r0], r1 |
|
vld1.32 {d21[0]}, [r0], r1 |
|
vld1.32 {d23[0]}, [r0], r1 |
|
vtrn.8 q8, q9 |
|
vtrn.8 q10, q11 |
|
vtrn.16 q8, q10 |
|
vtrn.16 q9, q11 |
|
vp6_edge_filter |
|
vtrn.8 q9, q10 |
|
vst1.16 {d18[0]}, [r3], r1 |
|
vst1.16 {d20[0]}, [r3], r1 |
|
vst1.16 {d18[1]}, [r3], r1 |
|
vst1.16 {d20[1]}, [r3], r1 |
|
vst1.16 {d18[2]}, [r3], r1 |
|
vst1.16 {d20[2]}, [r3], r1 |
|
vst1.16 {d18[3]}, [r3], r1 |
|
vst1.16 {d20[3]}, [r3], r1 |
|
vst1.16 {d19[0]}, [r3], r1 |
|
vst1.16 {d21[0]}, [r3], r1 |
|
vst1.16 {d19[1]}, [r3], r1 |
|
vst1.16 {d21[1]}, [r3], r1 |
|
bx lr |
|
endfunc
|
|
|