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  1. /*
  2.  * Copyright (c) 2009 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/arm/cpu.h"
  25. #include "libavcodec/avcodec.h"
  26. #include "libavcodec/h264pred.h"
  27.  
  28. void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride);
  29. void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride);
  30. void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride);
  31. void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride);
  32. void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride);
  33. void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride);
  34. void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride);
  35.  
  36. void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride);
  37. void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride);
  38. void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride);
  39. void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride);
  40. void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride);
  41. void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride);
  42. void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride);
  43. void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride);
  44. void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride);
  45. void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride);
  46. void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride);
  47.  
  48. static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id,
  49.                                         const int bit_depth,
  50.                                         const int chroma_format_idc)
  51. {
  52. #if HAVE_NEON
  53.     const int high_depth = bit_depth > 8;
  54.  
  55.     if (high_depth)
  56.         return;
  57.     if(chroma_format_idc == 1){
  58.     h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon;
  59.     h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon;
  60.     if (codec_id != AV_CODEC_ID_VP8)
  61.         h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
  62.     h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon;
  63.     if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP8) {
  64.         h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon;
  65.         h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
  66.         h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
  67.         h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
  68.         h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
  69.         h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
  70.         h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
  71.     }
  72.     }
  73.  
  74.     h->pred16x16[DC_PRED8x8     ] = ff_pred16x16_dc_neon;
  75.     h->pred16x16[VERT_PRED8x8   ] = ff_pred16x16_vert_neon;
  76.     h->pred16x16[HOR_PRED8x8    ] = ff_pred16x16_hor_neon;
  77.     h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon;
  78.     h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon;
  79.     h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon;
  80.     if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP8)
  81.         h->pred16x16[PLANE_PRED8x8  ] = ff_pred16x16_plane_neon;
  82. #endif // HAVE_NEON
  83. }
  84.  
  85. av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id,
  86.                                    int bit_depth, const int chroma_format_idc)
  87. {
  88.     int cpu_flags = av_get_cpu_flags();
  89.  
  90.     if (have_neon(cpu_flags))
  91.         h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
  92. }
  93.