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111 lines
2.8 KiB
111 lines
2.8 KiB
;****************************************************************************** |
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;* Opus SIMD functions |
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;* |
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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/x86/x86util.asm" |
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SECTION_RODATA |
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; 0.85..^1 0.85..^2 0.85..^3 0.85..^4 |
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tab_st: dd 0x3f599a00, 0x3f38f671, 0x3f1d382a, 0x3f05a32f |
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SECTION .text |
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INIT_XMM fma3 |
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%if UNIX64 |
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cglobal opus_deemphasis, 3, 3, 8, out, in, len |
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%else |
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cglobal opus_deemphasis, 4, 4, 8, out, in, coeff, len |
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%endif |
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%if ARCH_X86_32 |
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VBROADCASTSS m0, coeffm |
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%elif WIN64 |
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shufps m0, m2, m2, 0 |
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%else |
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shufps m0, m0, 0 |
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%endif |
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movaps m4, [tab_st] |
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VBROADCASTSS m5, m4 |
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shufps m6, m4, m4, q1111 |
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shufps m7, m4, m4, q2222 |
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.loop: |
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movaps m1, [inq] ; x0, x1, x2, x3 |
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pslldq m2, m1, 4 ; 0, x0, x1, x2 |
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pslldq m3, m1, 8 ; 0, 0, x0, x1 |
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fmaddps m2, m2, m5, m1 ; x + c1*x[0-2] |
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pslldq m1, 12 ; 0, 0, 0, x0 |
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fmaddps m2, m3, m6, m2 ; x + c1*x[0-2] + c2*x[0-1] |
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fmaddps m1, m1, m7, m2 ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0] |
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fmaddps m0, m0, m4, m1 ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0] + c*s |
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movaps [outq], m0 |
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shufps m0, m0, q3333 ; new state |
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add inq, mmsize |
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add outq, mmsize |
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sub lend, mmsize >> 2 |
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jg .loop |
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%if ARCH_X86_64 == 0 |
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movss r0m, m0 |
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fld dword r0m |
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%endif |
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RET |
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INIT_XMM fma3 |
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cglobal opus_postfilter, 4, 4, 8, data, period, gains, len |
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VBROADCASTSS m0, [gainsq + 0] |
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VBROADCASTSS m1, [gainsq + 4] |
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VBROADCASTSS m2, [gainsq + 8] |
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shl periodd, 2 |
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add periodq, 8 |
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neg periodq |
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movups m3, [dataq + periodq] |
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mulps m3, m2 |
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.loop: |
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movups m4, [dataq + periodq + 4] |
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movups m5, [dataq + periodq + 8] |
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movups m6, [dataq + periodq + 12] |
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movups m7, [dataq + periodq + 16] |
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fmaddps m3, m7, m2, m3 |
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addps m6, m4 |
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fmaddps m5, m5, m0, [dataq] |
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fmaddps m6, m6, m1, m3 |
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addps m5, m6 |
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mulps m3, m7, m2 |
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movaps [dataq], m5 |
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add dataq, mmsize |
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sub lend, mmsize >> 2 |
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jg .loop |
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RET
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