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