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_internal.h"
  34 #undef BIT_DEPTH
  35
  36 #define BIT_DEPTH 9
  37 #include "h264dsp_internal.h"
  38 #undef BIT_DEPTH
  39
  40 #define BIT_DEPTH 10
  41 #include "h264dsp_internal.h"
  42 #undef BIT_DEPTH
  43
  44 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth)
  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     c->h264_idct_add8                  = FUNC(ff_h264_idct_add8              , depth);\
  57     c->h264_idct_add16intra            = FUNC(ff_h264_idct_add16intra        , depth);\
  58     c->h264_luma_dc_dequant_idct       = FUNC(ff_h264_luma_dc_dequant_idct   , depth);\
  59     c->h264_chroma_dc_dequant_idct     = FUNC(ff_h264_chroma_dc_dequant_idct , depth);\
  60 \
  61     c->weight_h264_pixels_tab[0]       = FUNC(  weight_h264_pixels16x16      , depth);\
  62     c->weight_h264_pixels_tab[1]       = FUNC(  weight_h264_pixels16x8       , depth);\
  63     c->weight_h264_pixels_tab[2]       = FUNC(  weight_h264_pixels8x16       , depth);\
  64     c->weight_h264_pixels_tab[3]       = FUNC(  weight_h264_pixels8x8        , depth);\
  65     c->weight_h264_pixels_tab[4]       = FUNC(  weight_h264_pixels8x4        , depth);\
  66     c->weight_h264_pixels_tab[5]       = FUNC(  weight_h264_pixels4x8        , depth);\
  67     c->weight_h264_pixels_tab[6]       = FUNC(  weight_h264_pixels4x4        , depth);\
  68     c->weight_h264_pixels_tab[7]       = FUNC(  weight_h264_pixels4x2        , depth);\
  69     c->weight_h264_pixels_tab[8]       = FUNC(  weight_h264_pixels2x4        , depth);\
  70     c->weight_h264_pixels_tab[9]       = FUNC(  weight_h264_pixels2x2        , depth);\
  71     c->biweight_h264_pixels_tab[0]     = FUNC(biweight_h264_pixels16x16      , depth);\
  72     c->biweight_h264_pixels_tab[1]     = FUNC(biweight_h264_pixels16x8       , depth);\
  73     c->biweight_h264_pixels_tab[2]     = FUNC(biweight_h264_pixels8x16       , depth);\
  74     c->biweight_h264_pixels_tab[3]     = FUNC(biweight_h264_pixels8x8        , depth);\
  75     c->biweight_h264_pixels_tab[4]     = FUNC(biweight_h264_pixels8x4        , depth);\
  76     c->biweight_h264_pixels_tab[5]     = FUNC(biweight_h264_pixels4x8        , depth);\
  77     c->biweight_h264_pixels_tab[6]     = FUNC(biweight_h264_pixels4x4        , depth);\
  78     c->biweight_h264_pixels_tab[7]     = FUNC(biweight_h264_pixels4x2        , depth);\
  79     c->biweight_h264_pixels_tab[8]     = FUNC(biweight_h264_pixels2x4        , depth);\
  80     c->biweight_h264_pixels_tab[9]     = FUNC(biweight_h264_pixels2x2        , depth);\
  81 \
  82     c->h264_v_loop_filter_luma         = FUNC(h264_v_loop_filter_luma        , depth);\
  83     c->h264_h_loop_filter_luma         = FUNC(h264_h_loop_filter_luma        , depth);\
  84     c->h264_v_loop_filter_luma_intra   = FUNC(h264_v_loop_filter_luma_intra  , depth);\
  85     c->h264_h_loop_filter_luma_intra   = FUNC(h264_h_loop_filter_luma_intra  , depth);\
  86     c->h264_v_loop_filter_chroma       = FUNC(h264_v_loop_filter_chroma      , depth);\
  87     c->h264_h_loop_filter_chroma       = FUNC(h264_h_loop_filter_chroma      , depth);\
  88     c->h264_v_loop_filter_chroma_intra = FUNC(h264_v_loop_filter_chroma_intra, depth);\
  89     c->h264_h_loop_filter_chroma_intra = FUNC(h264_h_loop_filter_chroma_intra, depth);\
  90     c->h264_loop_filter_strength= NULL;
  91
  92     switch (bit_depth) {
  93         case 9:
  94             H264_DSP(9);
  95             break;
  96         case 10:
  97             H264_DSP(10);
  98             break;
  99         default:
 100             H264_DSP(8);
 101             break;
 102     }
 103
 104     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth);
 105     if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth);
 106     if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth);
 107 }