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 "libavutil/avassert.h"
  30 #include "avcodec.h"
  31 #include "h264dsp.h"
  32 #include "libavutil/common.h"
  33
  34 #define BIT_DEPTH 8
  35 #include "h264dsp_template.c"
  36 #undef BIT_DEPTH
  37
  38 #define BIT_DEPTH 9
  39 #include "h264dsp_template.c"
  40 #undef BIT_DEPTH
  41
  42 #define BIT_DEPTH 10
  43 #include "h264dsp_template.c"
  44 #undef BIT_DEPTH
  45
  46 #define BIT_DEPTH 12
  47 #include "h264dsp_template.c"
  48 #undef BIT_DEPTH
  49
  50 #define BIT_DEPTH 14
  51 #include "h264dsp_template.c"
  52 #undef BIT_DEPTH
  53
  54 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
  55 {
  56 #undef FUNC
  57 #define FUNC(a, depth) a ## _ ## depth ## _c
  58
  59 #define H264_DSP(depth) \
  60     c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
  61     c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
  62     c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
  63     c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
  64     c->h264_idct_add16     = FUNC(ff_h264_idct_add16, depth);\
  65     c->h264_idct8_add4     = FUNC(ff_h264_idct8_add4, depth);\
  66     if (chroma_format_idc == 1)\
  67         c->h264_idct_add8  = FUNC(ff_h264_idct_add8, depth);\
  68     else\
  69         c->h264_idct_add8  = FUNC(ff_h264_idct_add8_422, depth);\
  70     c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
  71     c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
  72     if (chroma_format_idc == 1)\
  73         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
  74     else\
  75         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
  76 \
  77     c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
  78     c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
  79     c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
  80     c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
  81     c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
  82     c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
  83     c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
  84     c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
  85 \
  86     c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
  87     c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
  88     c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
  89     c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
  90     c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
  91     c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
  92     c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
  93     if (chroma_format_idc == 1)\
  94         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
  95     else\
  96         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
  97     if (chroma_format_idc == 1)\
  98         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
  99     else\
 100         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
 101     c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
 102     if (chroma_format_idc == 1)\
 103         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
 104     else\
 105         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
 106     if (chroma_format_idc == 1)\
 107         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
 108     else\
 109         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
 110     c->h264_loop_filter_strength= NULL;
 111
 112     switch (bit_depth) {
 113     case 9:
 114         H264_DSP(9);
 115         break;
 116     case 10:
 117         H264_DSP(10);
 118         break;
 119     case 12:
 120         H264_DSP(12);
 121         break;
 122     case 14:
 123         H264_DSP(14);
 124         break;
 125     default:
 126         av_assert0(bit_depth<=8);
 127         H264_DSP(8);
 128         break;
 129     }
 130
 131     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
 132     if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
 133     if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
 134 }