Libav
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 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 
30 #include "libavutil/attributes.h"
31 #include "avcodec.h"
32 #include "h264dsp.h"
33 #include "h264idct.h"
34 #include "startcode.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 8
50 #include "h264addpx_template.c"
51 #undef BIT_DEPTH
52 
53 #define BIT_DEPTH 16
54 #include "h264addpx_template.c"
55 #undef BIT_DEPTH
56 
57 av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
58  const int chroma_format_idc)
59 {
60 #undef FUNC
61 #define FUNC(a, depth) a ## _ ## depth ## _c
62 
63 #define ADDPX_DSP(depth) \
64  c->h264_add_pixels4_clear = FUNC(ff_h264_add_pixels4, depth);\
65  c->h264_add_pixels8_clear = FUNC(ff_h264_add_pixels8, depth)
66 
67  if (bit_depth > 8 && bit_depth <= 16) {
68  ADDPX_DSP(16);
69  } else {
70  ADDPX_DSP(8);
71  }
72 
73 #define H264_DSP(depth) \
74  c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
75  c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
76  c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
77  c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
78  c->h264_idct_add16 = FUNC(ff_h264_idct_add16, depth);\
79  c->h264_idct8_add4 = FUNC(ff_h264_idct8_add4, depth);\
80  if (chroma_format_idc <= 1)\
81  c->h264_idct_add8 = FUNC(ff_h264_idct_add8, depth);\
82  else\
83  c->h264_idct_add8 = FUNC(ff_h264_idct_add8_422, depth);\
84  c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
85  c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
86  if (chroma_format_idc <= 1)\
87  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
88  else\
89  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
90 \
91  c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
92  c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
93  c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
94  c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
95  c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
96  c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
97  c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
98  c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
99 \
100  c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
101  c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
102  c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
103  c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
104  c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
105  c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
106  c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
107  if (chroma_format_idc <= 1)\
108  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
109  else\
110  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
111  if (chroma_format_idc <= 1)\
112  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
113  else\
114  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
115  c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
116  if (chroma_format_idc <= 1)\
117  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
118  else\
119  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
120  if (chroma_format_idc <= 1)\
121  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
122  else\
123  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
124  c->h264_loop_filter_strength= NULL;
125 
126  switch (bit_depth) {
127  case 9:
128  H264_DSP(9);
129  break;
130  case 10:
131  H264_DSP(10);
132  break;
133  default:
134  H264_DSP(8);
135  break;
136  }
138 
139  if (ARCH_AARCH64) ff_h264dsp_init_aarch64(c, bit_depth, chroma_format_idc);
140  if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
141  if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
142  if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
143 }
#define ARCH_ARM
Definition: config.h:14
#define ARCH_X86
Definition: config.h:33
H.264 DSP functions.
Macro definitions for various function/variable attributes.
av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
#define ARCH_AARCH64
Definition: config.h:12
#define av_cold
Definition: attributes.h:66
int(* startcode_find_candidate)(const uint8_t *buf, int size)
Search buf from the start for up to size bytes.
Definition: h264dsp.h:116
H.264 / AVC / MPEG4 part10 DSP functions.
av_cold void ff_h264dsp_init_aarch64(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Context for storing H.264 DSP functions.
Definition: h264dsp.h:41
av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp.c:57
H.264 / AVC / MPEG4 part10 DSP functions.
av_cold void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp.c:745
int ff_startcode_find_candidate_c(const uint8_t *buf, int size)
Definition: startcode.c:31
Libavcodec external API header.
#define ARCH_PPC
Definition: config.h:24
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)
#define ADDPX_DSP(depth)