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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * linear least squares model |
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| 3 | * |
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| 4 | * Copyright (c) 2013 Loren Merritt |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #include "libavutil/lls2.h" |
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| 24 | #include "libavutil/x86/cpu.h" |
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| 25 | |||
| 26 | void ff_update_lls_sse2(LLSModel2 *m, double *var); |
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| 27 | void ff_update_lls_avx(LLSModel2 *m, double *var); |
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| 28 | double ff_evaluate_lls_sse2(LLSModel2 *m, double *var, int order); |
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| 29 | |||
| 30 | av_cold void ff_init_lls_x86(LLSModel2 *m) |
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| 31 | { |
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| 32 | int cpu_flags = av_get_cpu_flags(); |
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| 33 | if (EXTERNAL_SSE2(cpu_flags)) { |
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| 34 | m->update_lls = ff_update_lls_sse2; |
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| 35 | if (m->indep_count >= 4) |
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| 36 | m->evaluate_lls = ff_evaluate_lls_sse2; |
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| 37 | } |
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| 38 | if (EXTERNAL_AVX(cpu_flags)) { |
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| 39 | m->update_lls = ff_update_lls_avx; |
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| 40 | } |
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| 41 | } |