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  1. /*
  2.  * Copyright (c) 2012 Mans Rullgard
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #include "config.h"
  22. #include "libavutil/arm/cpu.h"
  23. #include "libavutil/attributes.h"
  24. #include "libavcodec/sbrdsp.h"
  25.  
  26. void ff_sbr_sum64x5_neon(float *z);
  27. float ff_sbr_sum_square_neon(float (*x)[2], int n);
  28. void ff_sbr_neg_odd_64_neon(float *x);
  29. void ff_sbr_qmf_pre_shuffle_neon(float *z);
  30. void ff_sbr_qmf_post_shuffle_neon(float W[32][2], const float *z);
  31. void ff_sbr_qmf_deint_neg_neon(float *v, const float *src);
  32. void ff_sbr_qmf_deint_bfly_neon(float *v, const float *src0, const float *src1);
  33. void ff_sbr_hf_g_filt_neon(float (*Y)[2], const float (*X_high)[40][2],
  34.                            const float *g_filt, int m_max, intptr_t ixh);
  35. void ff_sbr_hf_gen_neon(float (*X_high)[2], const float (*X_low)[2],
  36.                         const float alpha0[2], const float alpha1[2],
  37.                         float bw, int start, int end);
  38. void ff_sbr_autocorrelate_neon(const float x[40][2], float phi[3][2][2]);
  39.  
  40. void ff_sbr_hf_apply_noise_0_neon(float Y[64][2], const float *s_m,
  41.                                   const float *q_filt, int noise,
  42.                                   int kx, int m_max);
  43. void ff_sbr_hf_apply_noise_1_neon(float Y[64][2], const float *s_m,
  44.                                   const float *q_filt, int noise,
  45.                                   int kx, int m_max);
  46. void ff_sbr_hf_apply_noise_2_neon(float Y[64][2], const float *s_m,
  47.                                   const float *q_filt, int noise,
  48.                                   int kx, int m_max);
  49. void ff_sbr_hf_apply_noise_3_neon(float Y[64][2], const float *s_m,
  50.                                   const float *q_filt, int noise,
  51.                                   int kx, int m_max);
  52.  
  53. av_cold void ff_sbrdsp_init_arm(SBRDSPContext *s)
  54. {
  55.     int cpu_flags = av_get_cpu_flags();
  56.  
  57.     if (have_neon(cpu_flags)) {
  58.         s->sum64x5 = ff_sbr_sum64x5_neon;
  59.         s->sum_square = ff_sbr_sum_square_neon;
  60.         s->neg_odd_64 = ff_sbr_neg_odd_64_neon;
  61.         s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_neon;
  62.         s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_neon;
  63.         s->qmf_deint_neg = ff_sbr_qmf_deint_neg_neon;
  64.         s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_neon;
  65.         s->hf_g_filt = ff_sbr_hf_g_filt_neon;
  66.         s->hf_gen = ff_sbr_hf_gen_neon;
  67.         s->autocorrelate = ff_sbr_autocorrelate_neon;
  68.         s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_neon;
  69.         s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_neon;
  70.         s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_neon;
  71.         s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_neon;
  72.     }
  73. }
  74.