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4349 | Serge | 1 | /* |
2 | * AAC Spectral Band Replication decoding functions |
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3 | * Copyright (c) 2012 Christophe Gisquet |
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4 | * |
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5 | * This file is part of FFmpeg. |
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6 | * |
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7 | * FFmpeg is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU Lesser General Public |
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9 | * License as published by the Free Software Foundation; either |
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10 | * version 2.1 of the License, or (at your option) any later version. |
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11 | * |
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12 | * FFmpeg is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * Lesser General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU Lesser General Public |
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18 | * License along with FFmpeg; if not, write to the Free Software |
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | */ |
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21 | |||
22 | #include "config.h" |
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23 | #include "libavutil/attributes.h" |
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24 | #include "libavutil/cpu.h" |
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25 | #include "libavutil/x86/cpu.h" |
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26 | #include "libavcodec/sbrdsp.h" |
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27 | |||
28 | float ff_sbr_sum_square_sse(float (*x)[2], int n); |
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29 | void ff_sbr_sum64x5_sse(float *z); |
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30 | void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2], |
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31 | const float *g_filt, int m_max, intptr_t ixh); |
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32 | void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2], |
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33 | const float alpha0[2], const float alpha1[2], |
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34 | float bw, int start, int end); |
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35 | void ff_sbr_neg_odd_64_sse(float *z); |
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36 | void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z); |
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37 | void ff_sbr_qmf_deint_bfly_sse(float *v, const float *src0, const float *src1); |
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38 | void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1); |
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39 | void ff_sbr_qmf_pre_shuffle_sse2(float *z); |
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40 | |||
41 | void ff_sbr_hf_apply_noise_0_sse2(float (*Y)[2], const float *s_m, |
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42 | const float *q_filt, int noise, |
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43 | int kx, int m_max); |
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44 | void ff_sbr_hf_apply_noise_1_sse2(float (*Y)[2], const float *s_m, |
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45 | const float *q_filt, int noise, |
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46 | int kx, int m_max); |
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47 | void ff_sbr_hf_apply_noise_2_sse2(float (*Y)[2], const float *s_m, |
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48 | const float *q_filt, int noise, |
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49 | int kx, int m_max); |
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50 | void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m, |
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51 | const float *q_filt, int noise, |
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52 | int kx, int m_max); |
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53 | |||
54 | av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s) |
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55 | { |
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56 | int cpu_flags = av_get_cpu_flags(); |
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57 | |||
58 | if (EXTERNAL_SSE(cpu_flags)) { |
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59 | s->neg_odd_64 = ff_sbr_neg_odd_64_sse; |
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60 | s->sum_square = ff_sbr_sum_square_sse; |
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61 | s->sum64x5 = ff_sbr_sum64x5_sse; |
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62 | s->hf_g_filt = ff_sbr_hf_g_filt_sse; |
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63 | s->hf_gen = ff_sbr_hf_gen_sse; |
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64 | s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse; |
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65 | s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse; |
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66 | } |
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67 | |||
68 | if (EXTERNAL_SSE2(cpu_flags)) { |
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69 | s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse2; |
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70 | s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_sse2; |
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71 | s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_sse2; |
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72 | s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_sse2; |
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73 | s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_sse2; |
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74 | s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_sse2; |
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75 | } |
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76 | } |