libavcodec/h264dsp.c

   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 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 /**
  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 "avcodec.h"
  32 #include "h264dsp.h"
  33 #include "h264idct.h"
  34 #include "startcode.h"
  35 #include "libavutil/common.h"
  36
  37 #define BIT_DEPTH 8
  38 #include "h264dsp_template.c"
  39 #undef BIT_DEPTH
  40
  41 #define BIT_DEPTH 9
  42 #include "h264dsp_template.c"
  43 #undef BIT_DEPTH
  44
  45 #define BIT_DEPTH 10
  46 #include "h264dsp_template.c"
  47 #undef BIT_DEPTH
  48
  49 #define BIT_DEPTH 8
  50 #include "h264addpx_template.c"
  51 #undef BIT_DEPTH
  52
  53 #define BIT_DEPTH 16
  54 #include "h264addpx_template.c"
  55 #undef BIT_DEPTH
  56
  57 av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
  58                              const int chroma_format_idc)
  59 {
  60 #undef FUNC
  61 #define FUNC(a, depth) a ## _ ## depth ## _c
  62
  63 #define ADDPX_DSP(depth) \
  64     c->h264_add_pixels4_clear = FUNC(ff_h264_add_pixels4, depth);\
  65     c->h264_add_pixels8_clear = FUNC(ff_h264_add_pixels8, depth)
  66
  67     if (bit_depth > 8 && bit_depth <= 16) {
  68         ADDPX_DSP(16);
  69     } else {
  70         ADDPX_DSP(8);
  71     }
  72
  73 #define H264_DSP(depth) \
  74     c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
  75     c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
  76     c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
  77     c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
  78     c->h264_idct_add16     = FUNC(ff_h264_idct_add16, depth);\
  79     c->h264_idct8_add4     = FUNC(ff_h264_idct8_add4, depth);\
  80     if (chroma_format_idc <= 1)\
  81         c->h264_idct_add8  = FUNC(ff_h264_idct_add8, depth);\
  82     else\
  83         c->h264_idct_add8  = FUNC(ff_h264_idct_add8_422, depth);\
  84     c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
  85     c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
  86     if (chroma_format_idc <= 1)\
  87         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
  88     else\
  89         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
  90 \
  91     c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
  92     c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
  93     c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
  94     c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
  95     c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
  96     c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
  97     c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
  98     c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
  99 \
 100     c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
 101     c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
 102     c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
 103     c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
 104     c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
 105     c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
 106     c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
 107     if (chroma_format_idc <= 1)\
 108         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
 109     else\
 110         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
 111     if (chroma_format_idc <= 1)\
 112         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
 113     else\
 114         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
 115     c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
 116     if (chroma_format_idc <= 1)\
 117         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
 118     else\
 119         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
 120     if (chroma_format_idc <= 1)\
 121         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
 122     else\
 123         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
 124     c->h264_loop_filter_strength= NULL;
 125
 126     switch (bit_depth) {
 127     case 9:
 128         H264_DSP(9);
 129         break;
 130     case 10:
 131         H264_DSP(10);
 132         break;
 133     default:
 134         H264_DSP(8);
 135         break;
 136     }
 137     c->startcode_find_candidate = ff_startcode_find_candidate_c;
 138
 139     if (ARCH_AARCH64) ff_h264dsp_init_aarch64(c, bit_depth, chroma_format_idc);
 140     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
 141     if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
 142     if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
 143 }