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113 lines
2.8 KiB
113 lines
2.8 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/aarch64/asm.S" |
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// 0.85..^1 0.85..^2 0.85..^3 0.85..^4 |
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const tab_st, align=4 |
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.word 0x3f599a00, 0x3f38f671, 0x3f1d382a, 0x3f05a32f |
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endconst |
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const tab_x0, align=4 |
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.word 0x0, 0x3f599a00, 0x3f38f671, 0x3f1d382a |
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endconst |
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const tab_x1, align=4 |
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.word 0x0, 0x0, 0x3f599a00, 0x3f38f671 |
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endconst |
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const tab_x2, align=4 |
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.word 0x0, 0x0, 0x0, 0x3f599a00 |
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endconst |
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function ff_opus_deemphasis_neon, export=1 |
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movrel x4, tab_st |
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ld1 {v4.4s}, [x4] |
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movrel x4, tab_x0 |
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ld1 {v5.4s}, [x4] |
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movrel x4, tab_x1 |
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ld1 {v6.4s}, [x4] |
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movrel x4, tab_x2 |
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ld1 {v7.4s}, [x4] |
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fmul v0.4s, v4.4s, v0.s[0] |
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1: ld1 {v1.4s, v2.4s}, [x1], #32 |
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fmla v0.4s, v5.4s, v1.s[0] |
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fmul v3.4s, v7.4s, v2.s[2] |
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fmla v0.4s, v6.4s, v1.s[1] |
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fmla v3.4s, v6.4s, v2.s[1] |
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fmla v0.4s, v7.4s, v1.s[2] |
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fmla v3.4s, v5.4s, v2.s[0] |
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fadd v1.4s, v1.4s, v0.4s |
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fadd v2.4s, v2.4s, v3.4s |
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fmla v2.4s, v4.4s, v1.s[3] |
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st1 {v1.4s, v2.4s}, [x0], #32 |
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fmul v0.4s, v4.4s, v2.s[3] |
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subs w2, w2, #8 |
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b.gt 1b |
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mov s0, v2.s[3] |
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ret |
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endfunc |
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function ff_opus_postfilter_neon, export=1 |
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ld1 {v0.4s}, [x2] |
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dup v1.4s, v0.s[1] |
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dup v2.4s, v0.s[2] |
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dup v0.4s, v0.s[0] |
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add w1, w1, #2 |
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sub x1, x0, x1, lsl #2 |
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ld1 {v3.4s}, [x1] |
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fmul v3.4s, v3.4s, v2.4s |
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1: add x1, x1, #4 |
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ld1 {v4.4s}, [x1] |
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add x1, x1, #4 |
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ld1 {v5.4s}, [x1] |
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add x1, x1, #4 |
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ld1 {v6.4s}, [x1] |
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add x1, x1, #4 |
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ld1 {v7.4s}, [x1] |
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fmla v3.4s, v7.4s, v2.4s |
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fadd v6.4s, v6.4s, v4.4s |
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ld1 {v8.4s}, [x0] |
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fmla v8.4s, v5.4s, v0.4s |
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fmul v6.4s, v6.4s, v1.4s |
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fadd v6.4s, v6.4s, v3.4s |
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fadd v8.4s, v8.4s, v6.4s |
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fmul v3.4s, v7.4s, v2.4s |
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st1 {v8.4s}, [x0], #16 |
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subs w3, w3, #4 |
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b.gt 1b |
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ret |
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endfunc
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