git.sesse.net Git - ffmpeg/blob - 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 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 #include "avcodec.h"
  30 #include "h264dsp.h"
  31
  32 #define BIT_DEPTH 8
  33 #include "h264dsp_template.c"
  34 #undef BIT_DEPTH
  35
  36 #define BIT_DEPTH 9
  37 #include "h264dsp_template.c"
  38 #undef BIT_DEPTH
  39
  40 #define BIT_DEPTH 10
  41 #include "h264dsp_template.c"
  42 #undef BIT_DEPTH
  43
  44 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
  45 {
  46 #undef FUNC
  47 #define FUNC(a, depth) a ## _ ## depth ## _c
  48
  49 #define H264_DSP(depth) \
  50     c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
  51     c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
  52     c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
  53     c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
  54     c->h264_idct_add16     = FUNC(ff_h264_idct_add16, depth);\
  55     c->h264_idct8_add4     = FUNC(ff_h264_idct8_add4, depth);\
  56     if (chroma_format_idc == 1)\
  57         c->h264_idct_add8  = FUNC(ff_h264_idct_add8, depth);\
  58     else\
  59         c->h264_idct_add8  = FUNC(ff_h264_idct_add8_422, depth);\
  60     c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
  61     c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
  62     if (chroma_format_idc == 1)\
  63         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
  64     else\
  65         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
  66 \
  67     c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
  68     c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
  69     c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
  70     c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
  71     c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
  72     c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
  73     c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
  74     c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
  75 \
  76     c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
  77     c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
  78     c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
  79     c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
  80     c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
  81     c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
  82     c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
  83     if (chroma_format_idc == 1)\
  84         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
  85     else\
  86         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
  87     if (chroma_format_idc == 1)\
  88         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
  89     else\
  90         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
  91     c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
  92     if (chroma_format_idc == 1)\
  93         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
  94     else\
  95         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
  96     if (chroma_format_idc == 1)\
  97         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
  98     else\
  99         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
 100     c->h264_loop_filter_strength= NULL;
 101
 102     switch (bit_depth) {
 103     case 9:
 104         H264_DSP(9);
 105         break;
 106     case 10:
 107         H264_DSP(10);
 108         break;
 109     default:
 110         H264_DSP(8);
 111         break;
 112     }
 113
 114     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
 115     if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
 116     if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
 117 }