h264dec: h264: 4:2:2 intra decoding
[ffmpeg.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 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 "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 }