h264: 4:2:2 intra decoding support
[libav.git] / 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 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
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_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_pixels16x16, depth);\
68 c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels16x8, depth);\
69 c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels8x16, depth);\
70 c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels8x8, depth);\
71 c->weight_h264_pixels_tab[4]= FUNC(weight_h264_pixels8x4, depth);\
72 c->weight_h264_pixels_tab[5]= FUNC(weight_h264_pixels4x8, depth);\
73 c->weight_h264_pixels_tab[6]= FUNC(weight_h264_pixels4x4, depth);\
74 c->weight_h264_pixels_tab[7]= FUNC(weight_h264_pixels4x2, depth);\
75 c->weight_h264_pixels_tab[8]= FUNC(weight_h264_pixels2x4, depth);\
76 c->weight_h264_pixels_tab[9]= FUNC(weight_h264_pixels2x2, depth);\
77 c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16x16, depth);\
78 c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels16x8, depth);\
79 c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels8x16, depth);\
80 c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels8x8, depth);\
81 c->biweight_h264_pixels_tab[4]= FUNC(biweight_h264_pixels8x4, depth);\
82 c->biweight_h264_pixels_tab[5]= FUNC(biweight_h264_pixels4x8, depth);\
83 c->biweight_h264_pixels_tab[6]= FUNC(biweight_h264_pixels4x4, depth);\
84 c->biweight_h264_pixels_tab[7]= FUNC(biweight_h264_pixels4x2, depth);\
85 c->biweight_h264_pixels_tab[8]= FUNC(biweight_h264_pixels2x4, depth);\
86 c->biweight_h264_pixels_tab[9]= FUNC(biweight_h264_pixels2x2, depth);\
87 \
88 c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
89 c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
90 c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
91 c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
92 c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
93 c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
94 c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
95 if (chroma_format_idc == 1)\
96 c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
97 else\
98 c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
99 if (chroma_format_idc == 1)\
100 c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
101 else\
102 c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
103 c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
104 if (chroma_format_idc == 1)\
105 c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
106 else\
107 c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
108 if (chroma_format_idc == 1)\
109 c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
110 else\
111 c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
112 c->h264_loop_filter_strength= NULL;
113
114 switch (bit_depth) {
115 case 9:
116 H264_DSP(9);
117 break;
118 case 10:
119 H264_DSP(10);
120 break;
121 default:
122 H264_DSP(8);
123 break;
124 }
125
126 if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
127 if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
128 if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
129 }