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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 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 }
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