git.sesse.net Git - ffmpeg/blob - libavcodec/arm/hevcdsp_init_arm.c

   1 /*
   2  * ARM NEON optimised HEVC IDCT
   3  * Copyright (c) 2017 Alexandra Hájková
   4  *
   5  * This file is part of Libav.
   6  *
   7  * Libav is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * Libav is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with Libav; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include "libavutil/attributes.h"
  23 #include "libavutil/cpu.h"
  24 #include "libavutil/arm/cpu.h"
  25
  26 #include "libavcodec/hevcdsp.h"
  27
  28
  29 void ff_hevc_add_residual_4x4_8_neon(uint8_t *_dst, int16_t *coeffs,
  30                                      ptrdiff_t stride);
  31 void ff_hevc_add_residual_4x4_10_neon(uint8_t *_dst, int16_t *coeffs,
  32                                       ptrdiff_t stride);
  33 void ff_hevc_add_residual_8x8_8_neon(uint8_t *_dst, int16_t *coeffs,
  34                                      ptrdiff_t stride);
  35 void ff_hevc_add_residual_8x8_10_neon(uint8_t *_dst, int16_t *coeffs,
  36                                       ptrdiff_t stride);
  37 void ff_hevc_add_residual_16x16_8_neon(uint8_t *_dst, int16_t *coeffs,
  38                                        ptrdiff_t stride);
  39 void ff_hevc_add_residual_16x16_10_neon(uint8_t *_dst, int16_t *coeffs,
  40                                         ptrdiff_t stride);
  41 void ff_hevc_add_residual_32x32_8_neon(uint8_t *_dst, int16_t *coeffs,
  42                                        ptrdiff_t stride);
  43 void ff_hevc_add_residual_32x32_10_neon(uint8_t *_dst, int16_t *coeffs,
  44                                         ptrdiff_t stride);
  45
  46 void ff_hevc_idct_4x4_dc_8_neon(int16_t *coeffs);
  47 void ff_hevc_idct_8x8_dc_8_neon(int16_t *coeffs);
  48 void ff_hevc_idct_16x16_dc_8_neon(int16_t *coeffs);
  49 void ff_hevc_idct_32x32_dc_8_neon(int16_t *coeffs);
  50 void ff_hevc_idct_4x4_dc_10_neon(int16_t *coeffs);
  51 void ff_hevc_idct_8x8_dc_10_neon(int16_t *coeffs);
  52 void ff_hevc_idct_16x16_dc_10_neon(int16_t *coeffs);
  53 void ff_hevc_idct_32x32_dc_10_neon(int16_t *coeffs);
  54
  55 void ff_hevc_idct_4x4_8_neon(int16_t *coeffs, int col_limit);
  56 void ff_hevc_idct_8x8_8_neon(int16_t *coeffs, int col_limit);
  57 void ff_hevc_idct_16x16_8_neon(int16_t *coeffs, int col_limit);
  58 void ff_hevc_idct_32x32_8_neon(int16_t *coeffs, int col_limit);
  59 void ff_hevc_idct_4x4_10_neon(int16_t *coeffs, int col_limit);
  60 void ff_hevc_idct_8x8_10_neon(int16_t *coeffs, int col_limit);
  61 void ff_hevc_idct_16x16_10_neon(int16_t *coeffs, int col_limit);
  62 void ff_hevc_idct_32x32_10_neon(int16_t *coeffs, int col_limit);
  63
  64 av_cold void ff_hevc_dsp_init_arm(HEVCDSPContext *c, int bit_depth)
  65 {
  66     int cpu_flags = av_get_cpu_flags();
  67
  68     if (have_neon(cpu_flags)) {
  69         if (bit_depth == 8) {
  70             c->add_residual[0] = ff_hevc_add_residual_4x4_8_neon;
  71             c->add_residual[1] = ff_hevc_add_residual_8x8_8_neon;
  72             c->add_residual[2] = ff_hevc_add_residual_16x16_8_neon;
  73             c->add_residual[3] = ff_hevc_add_residual_32x32_8_neon;
  74
  75             c->idct_dc[0] = ff_hevc_idct_4x4_dc_8_neon;
  76             c->idct_dc[1] = ff_hevc_idct_8x8_dc_8_neon;
  77             c->idct_dc[2] = ff_hevc_idct_16x16_dc_8_neon;
  78             c->idct_dc[3] = ff_hevc_idct_32x32_dc_8_neon;
  79
  80             c->idct[0] = ff_hevc_idct_4x4_8_neon;
  81             c->idct[1] = ff_hevc_idct_8x8_8_neon;
  82             c->idct[2] = ff_hevc_idct_16x16_8_neon;
  83             c->idct[3] = ff_hevc_idct_32x32_8_neon;
  84         }
  85         if (bit_depth == 10) {
  86             c->add_residual[0] = ff_hevc_add_residual_4x4_10_neon;
  87             c->add_residual[1] = ff_hevc_add_residual_8x8_10_neon;
  88             c->add_residual[2] = ff_hevc_add_residual_16x16_10_neon;
  89             c->add_residual[3] = ff_hevc_add_residual_32x32_10_neon;
  90
  91             c->idct_dc[0] = ff_hevc_idct_4x4_dc_10_neon;
  92             c->idct_dc[1] = ff_hevc_idct_8x8_dc_10_neon;
  93             c->idct_dc[2] = ff_hevc_idct_16x16_dc_10_neon;
  94             c->idct_dc[3] = ff_hevc_idct_32x32_dc_10_neon;
  95
  96             c->idct[0] = ff_hevc_idct_4x4_10_neon;
  97             c->idct[1] = ff_hevc_idct_8x8_10_neon;
  98             c->idct[2] = ff_hevc_idct_16x16_10_neon;
  99             c->idct[3] = ff_hevc_idct_32x32_10_neon;
 100         }
 101     }
 102 }