h264dsp.c
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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 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 
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 }