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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/attributes.h"
30 #include "libavutil/avassert.h"
31 
32 #include "avcodec.h"
33 #include "h264dsp.h"
34 #include "h264idct.h"
35 #include "libavutil/common.h"
36 
37 #define BIT_DEPTH 8
38 #include "h264dsp_template.c"
39 #undef BIT_DEPTH
40 
41 #define BIT_DEPTH 9
42 #include "h264dsp_template.c"
43 #undef BIT_DEPTH
44 
45 #define BIT_DEPTH 10
46 #include "h264dsp_template.c"
47 #undef BIT_DEPTH
48 
49 #define BIT_DEPTH 12
50 #include "h264dsp_template.c"
51 #undef BIT_DEPTH
52 
53 #define BIT_DEPTH 14
54 #include "h264dsp_template.c"
55 #undef BIT_DEPTH
56 
57 #define BIT_DEPTH 8
58 #include "h264addpx_template.c"
59 #undef BIT_DEPTH
60 
61 #define BIT_DEPTH 16
62 #include "h264addpx_template.c"
63 #undef BIT_DEPTH
64 
65 av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
66  const int chroma_format_idc)
67 {
68 #undef FUNC
69 #define FUNC(a, depth) a ## _ ## depth ## _c
70 
71 #define ADDPX_DSP(depth) \
72  c->h264_add_pixels4_clear = FUNC(ff_h264_add_pixels4, depth);\
73  c->h264_add_pixels8_clear = FUNC(ff_h264_add_pixels8, depth)
74 
75  if (bit_depth > 8 && bit_depth <= 16) {
76  ADDPX_DSP(16);
77  } else {
78  ADDPX_DSP(8);
79  }
80 
81 #define H264_DSP(depth) \
82  c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
83  c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
84  c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
85  c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
86  c->h264_idct_add16 = FUNC(ff_h264_idct_add16, depth);\
87  c->h264_idct8_add4 = FUNC(ff_h264_idct8_add4, depth);\
88  if (chroma_format_idc == 1)\
89  c->h264_idct_add8 = FUNC(ff_h264_idct_add8, depth);\
90  else\
91  c->h264_idct_add8 = FUNC(ff_h264_idct_add8_422, depth);\
92  c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
93  c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
94  if (chroma_format_idc == 1)\
95  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
96  else\
97  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
98 \
99  c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
100  c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
101  c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
102  c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
103  c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
104  c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
105  c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
106  c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
107 \
108  c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
109  c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
110  c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
111  c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
112  c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
113  c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
114  c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
115  if (chroma_format_idc == 1)\
116  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
117  else\
118  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
119  if (chroma_format_idc == 1)\
120  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
121  else\
122  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
123  c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
124  if (chroma_format_idc == 1)\
125  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
126  else\
127  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
128  if (chroma_format_idc == 1)\
129  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
130  else\
131  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
132  c->h264_loop_filter_strength= NULL;
133 
134  switch (bit_depth) {
135  case 9:
136  H264_DSP(9);
137  break;
138  case 10:
139  H264_DSP(10);
140  break;
141  case 12:
142  H264_DSP(12);
143  break;
144  case 14:
145  H264_DSP(14);
146  break;
147  default:
148  av_assert0(bit_depth<=8);
149  H264_DSP(8);
150  break;
151  }
152 
153  if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
154  if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
155  if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
156 }