h264dsp.c
Go to the documentation of this file.
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 
28 #include <stdint.h>
29 #include "avcodec.h"
30 #include "h264dsp.h"
31 #include "libavutil/common.h"
32 
33 #define BIT_DEPTH 8
34 #include "h264dsp_template.c"
35 #undef BIT_DEPTH
36 
37 #define BIT_DEPTH 9
38 #include "h264dsp_template.c"
39 #undef BIT_DEPTH
40 
41 #define BIT_DEPTH 10
42 #include "h264dsp_template.c"
43 #undef BIT_DEPTH
44 
45 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
46 {
47 #undef FUNC
48 #define FUNC(a, depth) a ## _ ## depth ## _c
49 
50 #define H264_DSP(depth) \
51  c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
52  c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
53  c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
54  c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
55  c->h264_idct_add16 = FUNC(ff_h264_idct_add16, depth);\
56  c->h264_idct8_add4 = FUNC(ff_h264_idct8_add4, depth);\
57  if (chroma_format_idc == 1)\
58  c->h264_idct_add8 = FUNC(ff_h264_idct_add8, depth);\
59  else\
60  c->h264_idct_add8 = FUNC(ff_h264_idct_add8_422, depth);\
61  c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
62  c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
63  if (chroma_format_idc == 1)\
64  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
65  else\
66  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
67 \
68  c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
69  c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
70  c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
71  c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
72  c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
73  c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
74  c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
75  c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
76 \
77  c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
78  c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
79  c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
80  c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
81  c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
82  c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
83  c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
84  if (chroma_format_idc == 1)\
85  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
86  else\
87  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
88  if (chroma_format_idc == 1)\
89  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
90  else\
91  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
92  c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
93  if (chroma_format_idc == 1)\
94  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
95  else\
96  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
97  if (chroma_format_idc == 1)\
98  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
99  else\
100  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
101  c->h264_loop_filter_strength= NULL;
102 
103  switch (bit_depth) {
104  case 9:
105  H264_DSP(9);
106  break;
107  case 10:
108  H264_DSP(10);
109  break;
110  default:
111  H264_DSP(8);
112  break;
113  }
114 
115  if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
116  if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
117  if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
118 }
#define ARCH_ARM
Definition: config.h:14
#define HAVE_ALTIVEC
Definition: config.h:54
#define ARCH_X86
Definition: config.h:33
H.264 DSP functions.
void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Context for storing H.264 DSP functions.
Definition: h264dsp.h:43
void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
H.264 / AVC / MPEG4 part10 DSP functions.
void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp.c:45
external API header
common internal and external API header
void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp_init.c:210
#define H264_DSP(depth)