mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-29 19:18:24 -05:00
70 lines
2.3 KiB
ArmAsm
70 lines
2.3 KiB
ArmAsm
|
/*
|
||
|
|
* ARM NEON optimised DSP functions for G722 coding
|
||
|
|
* Copyright (c) 2015 Peter Meerwald <pmeerw@pmeerw.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/arm/asm.S"
|
||
|
|
|
||
|
|
function ff_g722_apply_qmf_neon, export=1, align=4
|
||
|
|
movrel r3, qmf_coeffs
|
||
|
|
vld1.s16 {d2,d3,d4}, [r0]! /* load prev_samples */
|
||
|
|
vld1.s16 {d16,d17,d18}, [r3,:64]! /* load qmf_coeffs */
|
||
|
|
vmull.s16 q0, d2, d16
|
||
|
|
vmlal.s16 q0, d3, d17
|
||
|
|
vmlal.s16 q0, d4, d18
|
||
|
|
|
||
|
|
vld1.s16 {d5,d6,d7}, [r0]! /* load prev_samples */
|
||
|
|
vld1.s16 {d19,d20,d21}, [r3,:64]! /* load qmf_coeffs */
|
||
|
|
vmlal.s16 q0, d5, d19
|
||
|
|
vmlal.s16 q0, d6, d20
|
||
|
|
vmlal.s16 q0, d7, d21
|
||
|
|
|
||
|
|
vadd.s32 d0, d1, d0
|
||
|
|
vrev64.32 d0, d0
|
||
|
|
vst1.s32 {d0}, [r1]
|
||
|
|
bx lr
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
const qmf_coeffs, align=4
|
||
|
|
.hword 3
|
||
|
|
.hword -11
|
||
|
|
.hword -11
|
||
|
|
.hword 53
|
||
|
|
.hword 12
|
||
|
|
.hword -156
|
||
|
|
.hword 32
|
||
|
|
.hword 362
|
||
|
|
.hword -210
|
||
|
|
.hword -805
|
||
|
|
.hword 951
|
||
|
|
.hword 3876
|
||
|
|
.hword 3876
|
||
|
|
.hword 951
|
||
|
|
.hword -805
|
||
|
|
.hword -210
|
||
|
|
.hword 362
|
||
|
|
.hword 32
|
||
|
|
.hword -156
|
||
|
|
.hword 12
|
||
|
|
.hword 53
|
||
|
|
.hword -11
|
||
|
|
.hword -11
|
||
|
|
.hword 3
|
||
|
|
endconst
|