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  1. /*
  2.  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
  3.  * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
  4.  *
  5.  * This file is part of FFmpeg.
  6.  *
  7.  * FFmpeg 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.  * FFmpeg 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 FFmpeg; if not, write to the Free Software
  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20.  */
  21.  
  22. /**
  23.  * @file
  24.  * H.264 / AVC / MPEG4 part10 DSP functions.
  25.  * @author Michael Niedermayer <michaelni@gmx.at>
  26.  */
  27.  
  28. #include <stdint.h>
  29.  
  30. #include "libavutil/attributes.h"
  31. #include "libavutil/avassert.h"
  32.  
  33. #include "avcodec.h"
  34. #include "h264dsp.h"
  35. #include "h264idct.h"
  36. #include "startcode.h"
  37. #include "libavutil/common.h"
  38.  
  39. #define BIT_DEPTH 8
  40. #include "h264dsp_template.c"
  41. #undef BIT_DEPTH
  42.  
  43. #define BIT_DEPTH 9
  44. #include "h264dsp_template.c"
  45. #undef BIT_DEPTH
  46.  
  47. #define BIT_DEPTH 10
  48. #include "h264dsp_template.c"
  49. #undef BIT_DEPTH
  50.  
  51. #define BIT_DEPTH 12
  52. #include "h264dsp_template.c"
  53. #undef BIT_DEPTH
  54.  
  55. #define BIT_DEPTH 14
  56. #include "h264dsp_template.c"
  57. #undef BIT_DEPTH
  58.  
  59. #define BIT_DEPTH 8
  60. #include "h264addpx_template.c"
  61. #undef BIT_DEPTH
  62.  
  63. #define BIT_DEPTH 16
  64. #include "h264addpx_template.c"
  65. #undef BIT_DEPTH
  66.  
  67. av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
  68.                              const int chroma_format_idc)
  69. {
  70. #undef FUNC
  71. #define FUNC(a, depth) a ## _ ## depth ## _c
  72.  
  73. #define ADDPX_DSP(depth) \
  74.     c->h264_add_pixels4_clear = FUNC(ff_h264_add_pixels4, depth);\
  75.     c->h264_add_pixels8_clear = FUNC(ff_h264_add_pixels8, depth)
  76.  
  77.     if (bit_depth > 8 && bit_depth <= 16) {
  78.         ADDPX_DSP(16);
  79.     } else {
  80.         ADDPX_DSP(8);
  81.     }
  82.  
  83. #define H264_DSP(depth) \
  84.     c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
  85.     c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
  86.     c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
  87.     c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
  88.     c->h264_idct_add16     = FUNC(ff_h264_idct_add16, depth);\
  89.     c->h264_idct8_add4     = FUNC(ff_h264_idct8_add4, depth);\
  90.     if (chroma_format_idc <= 1)\
  91.         c->h264_idct_add8  = FUNC(ff_h264_idct_add8, depth);\
  92.     else\
  93.         c->h264_idct_add8  = FUNC(ff_h264_idct_add8_422, depth);\
  94.     c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
  95.     c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
  96.     if (chroma_format_idc <= 1)\
  97.         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
  98.     else\
  99.         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
  100. \
  101.     c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
  102.     c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
  103.     c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
  104.     c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
  105.     c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
  106.     c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
  107.     c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
  108.     c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
  109. \
  110.     c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
  111.     c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
  112.     c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
  113.     c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
  114.     c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
  115.     c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
  116.     c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
  117.     if (chroma_format_idc <= 1)\
  118.         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
  119.     else\
  120.         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
  121.     if (chroma_format_idc <= 1)\
  122.         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
  123.     else\
  124.         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
  125.     c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
  126.     if (chroma_format_idc <= 1)\
  127.         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
  128.     else\
  129.         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
  130.     if (chroma_format_idc <= 1)\
  131.         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
  132.     else\
  133.         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
  134.     c->h264_loop_filter_strength= NULL;
  135.  
  136.     switch (bit_depth) {
  137.     case 9:
  138.         H264_DSP(9);
  139.         break;
  140.     case 10:
  141.         H264_DSP(10);
  142.         break;
  143.     case 12:
  144.         H264_DSP(12);
  145.         break;
  146.     case 14:
  147.         H264_DSP(14);
  148.         break;
  149.     default:
  150.         av_assert0(bit_depth<=8);
  151.         H264_DSP(8);
  152.         break;
  153.     }
  154.     c->startcode_find_candidate = ff_startcode_find_candidate_c;
  155.  
  156.     if (ARCH_AARCH64) ff_h264dsp_init_aarch64(c, bit_depth, chroma_format_idc);
  157.     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
  158.     if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
  159.     if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
  160.     if (ARCH_MIPS) ff_h264dsp_init_mips(c, bit_depth, chroma_format_idc);
  161. }
  162.