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  1. /*
  2.  * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
  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 <stdint.h>
  22.  
  23. #include "libavutil/attributes.h"
  24. #include "libavutil/cpu.h"
  25. #include "libavutil/aarch64/cpu.h"
  26. #include "libavcodec/h264dsp.h"
  27.  
  28. void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
  29.                                      int beta, int8_t *tc0);
  30. void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
  31.                                      int beta, int8_t *tc0);
  32. void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
  33.                                        int beta, int8_t *tc0);
  34. void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
  35.                                        int beta, int8_t *tc0);
  36.  
  37. void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height,
  38.                                    int log2_den, int weight, int offset);
  39. void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height,
  40.                                   int log2_den, int weight, int offset);
  41. void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height,
  42.                                   int log2_den, int weight, int offset);
  43.  
  44. void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride,
  45.                                      int height, int log2_den, int weightd,
  46.                                      int weights, int offset);
  47. void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride,
  48.                                     int height, int log2_den, int weightd,
  49.                                     int weights, int offset);
  50. void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride,
  51.                                     int height, int log2_den, int weightd,
  52.                                     int weights, int offset);
  53.  
  54. void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
  55. void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
  56. void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
  57.                              int16_t *block, int stride,
  58.                              const uint8_t nnzc[6*8]);
  59. void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
  60.                                   int16_t *block, int stride,
  61.                                   const uint8_t nnzc[6*8]);
  62. void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
  63.                             int16_t *block, int stride,
  64.                             const uint8_t nnzc[6*8]);
  65.  
  66. void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
  67. void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
  68. void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
  69.                              int16_t *block, int stride,
  70.                              const uint8_t nnzc[6*8]);
  71.  
  72. av_cold void ff_h264dsp_init_aarch64(H264DSPContext *c, const int bit_depth,
  73.                                      const int chroma_format_idc)
  74. {
  75.     int cpu_flags = av_get_cpu_flags();
  76.  
  77.     if (have_neon(cpu_flags) && bit_depth == 8) {
  78.         c->h264_v_loop_filter_luma   = ff_h264_v_loop_filter_luma_neon;
  79.         c->h264_h_loop_filter_luma   = ff_h264_h_loop_filter_luma_neon;
  80.         c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon;
  81.         if (chroma_format_idc <= 1)
  82.         c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon;
  83.  
  84.         c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon;
  85.         c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon;
  86.         c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon;
  87.  
  88.         c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon;
  89.         c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon;
  90.         c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon;
  91.  
  92.         c->h264_idct_add        = ff_h264_idct_add_neon;
  93.         c->h264_idct_dc_add     = ff_h264_idct_dc_add_neon;
  94.         c->h264_idct_add16      = ff_h264_idct_add16_neon;
  95.         c->h264_idct_add16intra = ff_h264_idct_add16intra_neon;
  96.         if (chroma_format_idc <= 1)
  97.             c->h264_idct_add8   = ff_h264_idct_add8_neon;
  98.         c->h264_idct8_add       = ff_h264_idct8_add_neon;
  99.         c->h264_idct8_dc_add    = ff_h264_idct8_dc_add_neon;
  100.         c->h264_idct8_add4      = ff_h264_idct8_add4_neon;
  101.     }
  102. }
  103.