1cabdff1aSopenharmony_ci/* 2cabdff1aSopenharmony_ci * ARM NEON optimised DSP functions for G722 coding 3cabdff1aSopenharmony_ci * Copyright (c) 2015 Peter Meerwald <pmeerw@pmeerw.net> 4cabdff1aSopenharmony_ci * 5cabdff1aSopenharmony_ci * This file is part of FFmpeg. 6cabdff1aSopenharmony_ci * 7cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or 8cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public 9cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either 10cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version. 11cabdff1aSopenharmony_ci * 12cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful, 13cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 14cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15cabdff1aSopenharmony_ci * Lesser General Public License for more details. 16cabdff1aSopenharmony_ci * 17cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public 18cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software 19cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20cabdff1aSopenharmony_ci */ 21cabdff1aSopenharmony_ci 22cabdff1aSopenharmony_ci#include "libavutil/arm/asm.S" 23cabdff1aSopenharmony_ci 24cabdff1aSopenharmony_cifunction ff_g722_apply_qmf_neon, export=1, align=4 25cabdff1aSopenharmony_ci movrel r3, qmf_coeffs 26cabdff1aSopenharmony_ci vld1.s16 {d2,d3,d4}, [r0]! /* load prev_samples */ 27cabdff1aSopenharmony_ci vld1.s16 {d16,d17,d18}, [r3,:64]! /* load qmf_coeffs */ 28cabdff1aSopenharmony_ci vmull.s16 q0, d2, d16 29cabdff1aSopenharmony_ci vmlal.s16 q0, d3, d17 30cabdff1aSopenharmony_ci vmlal.s16 q0, d4, d18 31cabdff1aSopenharmony_ci 32cabdff1aSopenharmony_ci vld1.s16 {d5,d6,d7}, [r0]! /* load prev_samples */ 33cabdff1aSopenharmony_ci vld1.s16 {d19,d20,d21}, [r3,:64]! /* load qmf_coeffs */ 34cabdff1aSopenharmony_ci vmlal.s16 q0, d5, d19 35cabdff1aSopenharmony_ci vmlal.s16 q0, d6, d20 36cabdff1aSopenharmony_ci vmlal.s16 q0, d7, d21 37cabdff1aSopenharmony_ci 38cabdff1aSopenharmony_ci vadd.s32 d0, d1, d0 39cabdff1aSopenharmony_ci vrev64.32 d0, d0 40cabdff1aSopenharmony_ci vst1.s32 {d0}, [r1] 41cabdff1aSopenharmony_ci bx lr 42cabdff1aSopenharmony_ciendfunc 43cabdff1aSopenharmony_ci 44cabdff1aSopenharmony_ciconst qmf_coeffs, align=4 45cabdff1aSopenharmony_ci .hword 3 46cabdff1aSopenharmony_ci .hword -11 47cabdff1aSopenharmony_ci .hword -11 48cabdff1aSopenharmony_ci .hword 53 49cabdff1aSopenharmony_ci .hword 12 50cabdff1aSopenharmony_ci .hword -156 51cabdff1aSopenharmony_ci .hword 32 52cabdff1aSopenharmony_ci .hword 362 53cabdff1aSopenharmony_ci .hword -210 54cabdff1aSopenharmony_ci .hword -805 55cabdff1aSopenharmony_ci .hword 951 56cabdff1aSopenharmony_ci .hword 3876 57cabdff1aSopenharmony_ci .hword 3876 58cabdff1aSopenharmony_ci .hword 951 59cabdff1aSopenharmony_ci .hword -805 60cabdff1aSopenharmony_ci .hword -210 61cabdff1aSopenharmony_ci .hword 362 62cabdff1aSopenharmony_ci .hword 32 63cabdff1aSopenharmony_ci .hword -156 64cabdff1aSopenharmony_ci .hword 12 65cabdff1aSopenharmony_ci .hword 53 66cabdff1aSopenharmony_ci .hword -11 67cabdff1aSopenharmony_ci .hword -11 68cabdff1aSopenharmony_ci .hword 3 69cabdff1aSopenharmony_ciendconst 70