mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
187 lines
6.5 KiB
ArmAsm
187 lines
6.5 KiB
ArmAsm
/*
|
|
* ARM NEON optimised DSP functions
|
|
* Copyright (c) 2008 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 "libavutil/arm/asm.S"
|
|
|
|
function ff_clear_block_neon, export=1
|
|
vmov.i16 q0, #0
|
|
.rept 8
|
|
vst1.16 {q0}, [r0,:128]!
|
|
.endr
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_clear_blocks_neon, export=1
|
|
vmov.i16 q0, #0
|
|
.rept 8*6
|
|
vst1.16 {q0}, [r0,:128]!
|
|
.endr
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_put_pixels_clamped_neon, export=1
|
|
vld1.16 {d16-d19}, [r0,:128]!
|
|
vqmovun.s16 d0, q8
|
|
vld1.16 {d20-d23}, [r0,:128]!
|
|
vqmovun.s16 d1, q9
|
|
vld1.16 {d24-d27}, [r0,:128]!
|
|
vqmovun.s16 d2, q10
|
|
vld1.16 {d28-d31}, [r0,:128]!
|
|
vqmovun.s16 d3, q11
|
|
vst1.8 {d0}, [r1,:64], r2
|
|
vqmovun.s16 d4, q12
|
|
vst1.8 {d1}, [r1,:64], r2
|
|
vqmovun.s16 d5, q13
|
|
vst1.8 {d2}, [r1,:64], r2
|
|
vqmovun.s16 d6, q14
|
|
vst1.8 {d3}, [r1,:64], r2
|
|
vqmovun.s16 d7, q15
|
|
vst1.8 {d4}, [r1,:64], r2
|
|
vst1.8 {d5}, [r1,:64], r2
|
|
vst1.8 {d6}, [r1,:64], r2
|
|
vst1.8 {d7}, [r1,:64], r2
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_put_signed_pixels_clamped_neon, export=1
|
|
vmov.u8 d31, #128
|
|
vld1.16 {d16-d17}, [r0,:128]!
|
|
vqmovn.s16 d0, q8
|
|
vld1.16 {d18-d19}, [r0,:128]!
|
|
vqmovn.s16 d1, q9
|
|
vld1.16 {d16-d17}, [r0,:128]!
|
|
vqmovn.s16 d2, q8
|
|
vld1.16 {d18-d19}, [r0,:128]!
|
|
vadd.u8 d0, d0, d31
|
|
vld1.16 {d20-d21}, [r0,:128]!
|
|
vadd.u8 d1, d1, d31
|
|
vld1.16 {d22-d23}, [r0,:128]!
|
|
vadd.u8 d2, d2, d31
|
|
vst1.8 {d0}, [r1,:64], r2
|
|
vqmovn.s16 d3, q9
|
|
vst1.8 {d1}, [r1,:64], r2
|
|
vqmovn.s16 d4, q10
|
|
vst1.8 {d2}, [r1,:64], r2
|
|
vqmovn.s16 d5, q11
|
|
vld1.16 {d24-d25}, [r0,:128]!
|
|
vadd.u8 d3, d3, d31
|
|
vld1.16 {d26-d27}, [r0,:128]!
|
|
vadd.u8 d4, d4, d31
|
|
vadd.u8 d5, d5, d31
|
|
vst1.8 {d3}, [r1,:64], r2
|
|
vqmovn.s16 d6, q12
|
|
vst1.8 {d4}, [r1,:64], r2
|
|
vqmovn.s16 d7, q13
|
|
vst1.8 {d5}, [r1,:64], r2
|
|
vadd.u8 d6, d6, d31
|
|
vadd.u8 d7, d7, d31
|
|
vst1.8 {d6}, [r1,:64], r2
|
|
vst1.8 {d7}, [r1,:64], r2
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_add_pixels_clamped_neon, export=1
|
|
mov r3, r1
|
|
vld1.8 {d16}, [r1,:64], r2
|
|
vld1.16 {d0-d1}, [r0,:128]!
|
|
vaddw.u8 q0, q0, d16
|
|
vld1.8 {d17}, [r1,:64], r2
|
|
vld1.16 {d2-d3}, [r0,:128]!
|
|
vqmovun.s16 d0, q0
|
|
vld1.8 {d18}, [r1,:64], r2
|
|
vaddw.u8 q1, q1, d17
|
|
vld1.16 {d4-d5}, [r0,:128]!
|
|
vaddw.u8 q2, q2, d18
|
|
vst1.8 {d0}, [r3,:64], r2
|
|
vqmovun.s16 d2, q1
|
|
vld1.8 {d19}, [r1,:64], r2
|
|
vld1.16 {d6-d7}, [r0,:128]!
|
|
vaddw.u8 q3, q3, d19
|
|
vqmovun.s16 d4, q2
|
|
vst1.8 {d2}, [r3,:64], r2
|
|
vld1.8 {d16}, [r1,:64], r2
|
|
vqmovun.s16 d6, q3
|
|
vld1.16 {d0-d1}, [r0,:128]!
|
|
vaddw.u8 q0, q0, d16
|
|
vst1.8 {d4}, [r3,:64], r2
|
|
vld1.8 {d17}, [r1,:64], r2
|
|
vld1.16 {d2-d3}, [r0,:128]!
|
|
vaddw.u8 q1, q1, d17
|
|
vst1.8 {d6}, [r3,:64], r2
|
|
vqmovun.s16 d0, q0
|
|
vld1.8 {d18}, [r1,:64], r2
|
|
vld1.16 {d4-d5}, [r0,:128]!
|
|
vaddw.u8 q2, q2, d18
|
|
vst1.8 {d0}, [r3,:64], r2
|
|
vqmovun.s16 d2, q1
|
|
vld1.8 {d19}, [r1,:64], r2
|
|
vqmovun.s16 d4, q2
|
|
vld1.16 {d6-d7}, [r0,:128]!
|
|
vaddw.u8 q3, q3, d19
|
|
vst1.8 {d2}, [r3,:64], r2
|
|
vqmovun.s16 d6, q3
|
|
vst1.8 {d4}, [r3,:64], r2
|
|
vst1.8 {d6}, [r3,:64], r2
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_vector_clipf_neon, export=1
|
|
VFP vdup.32 q1, d0[1]
|
|
VFP vdup.32 q0, d0[0]
|
|
NOVFP vdup.32 q0, r2
|
|
NOVFP vdup.32 q1, r3
|
|
NOVFP ldr r2, [sp]
|
|
vld1.f32 {q2},[r1,:128]!
|
|
vmin.f32 q10, q2, q1
|
|
vld1.f32 {q3},[r1,:128]!
|
|
vmin.f32 q11, q3, q1
|
|
1: vmax.f32 q8, q10, q0
|
|
vmax.f32 q9, q11, q0
|
|
subs r2, r2, #8
|
|
beq 2f
|
|
vld1.f32 {q2},[r1,:128]!
|
|
vmin.f32 q10, q2, q1
|
|
vld1.f32 {q3},[r1,:128]!
|
|
vmin.f32 q11, q3, q1
|
|
vst1.f32 {q8},[r0,:128]!
|
|
vst1.f32 {q9},[r0,:128]!
|
|
b 1b
|
|
2: vst1.f32 {q8},[r0,:128]!
|
|
vst1.f32 {q9},[r0,:128]!
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_vector_clip_int32_neon, export=1
|
|
vdup.32 q0, r2
|
|
vdup.32 q1, r3
|
|
ldr r2, [sp]
|
|
1:
|
|
vld1.32 {q2-q3}, [r1,:128]!
|
|
vmin.s32 q2, q2, q1
|
|
vmin.s32 q3, q3, q1
|
|
vmax.s32 q2, q2, q0
|
|
vmax.s32 q3, q3, q0
|
|
vst1.32 {q2-q3}, [r0,:128]!
|
|
subs r2, r2, #8
|
|
bgt 1b
|
|
bx lr
|
|
endfunc
|