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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 
30 #include "libavutil/attributes.h"
31 #include "libavutil/avassert.h"
32 
33 #include "avcodec.h"
34 #include "h264dsp.h"
35 #include "h264idct.h"
36 #include "startcode.h"
37 #include "libavutil/common.h"
38 
39 #define BIT_DEPTH 8
40 #include "h264dsp_template.c"
41 #undef BIT_DEPTH
42 
43 #define BIT_DEPTH 9
44 #include "h264dsp_template.c"
45 #undef BIT_DEPTH
46 
47 #define BIT_DEPTH 10
48 #include "h264dsp_template.c"
49 #undef BIT_DEPTH
50 
51 #define BIT_DEPTH 12
52 #include "h264dsp_template.c"
53 #undef BIT_DEPTH
54 
55 #define BIT_DEPTH 14
56 #include "h264dsp_template.c"
57 #undef BIT_DEPTH
58 
59 #define BIT_DEPTH 8
60 #include "h264addpx_template.c"
61 #undef BIT_DEPTH
62 
63 #define BIT_DEPTH 16
64 #include "h264addpx_template.c"
65 #undef BIT_DEPTH
66 
68  const int chroma_format_idc)
69 {
70 #undef FUNC
71 #define FUNC(a, depth) a ## _ ## depth ## _c
72 
73 #define ADDPX_DSP(depth) \
74  c->h264_add_pixels4_clear = FUNC(ff_h264_add_pixels4, depth);\
75  c->h264_add_pixels8_clear = FUNC(ff_h264_add_pixels8, depth)
76 
77  if (bit_depth > 8 && bit_depth <= 16) {
78  ADDPX_DSP(16);
79  } else {
80  ADDPX_DSP(8);
81  }
82 
83 #define H264_DSP(depth) \
84  c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
85  c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
86  c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
87  c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
88  c->h264_idct_add16 = FUNC(ff_h264_idct_add16, depth);\
89  c->h264_idct8_add4 = FUNC(ff_h264_idct8_add4, depth);\
90  if (chroma_format_idc <= 1)\
91  c->h264_idct_add8 = FUNC(ff_h264_idct_add8, depth);\
92  else\
93  c->h264_idct_add8 = FUNC(ff_h264_idct_add8_422, depth);\
94  c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
95  c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
96  if (chroma_format_idc <= 1)\
97  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
98  else\
99  c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
100 \
101  c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
102  c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
103  c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
104  c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
105  c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
106  c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
107  c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
108  c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
109 \
110  c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
111  c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
112  c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
113  c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
114  c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
115  c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
116  c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
117  if (chroma_format_idc <= 1)\
118  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
119  else\
120  c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
121  if (chroma_format_idc <= 1)\
122  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
123  else\
124  c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
125  c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
126  if (chroma_format_idc <= 1)\
127  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
128  else\
129  c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
130  if (chroma_format_idc <= 1)\
131  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
132  else\
133  c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
134  c->h264_loop_filter_strength= NULL;
135 
136  switch (bit_depth) {
137  case 9:
138  H264_DSP(9);
139  break;
140  case 10:
141  H264_DSP(10);
142  break;
143  case 12:
144  H264_DSP(12);
145  break;
146  case 14:
147  H264_DSP(14);
148  break;
149  default:
150  av_assert0(bit_depth<=8);
151  H264_DSP(8);
152  break;
153  }
155 
156  if (ARCH_AARCH64) ff_h264dsp_init_aarch64(c, bit_depth, chroma_format_idc);
157  if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
158  if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
159  if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
160  if (ARCH_MIPS) ff_h264dsp_init_mips(c, bit_depth, chroma_format_idc);
161 }
H.264 DSP functions.
Macro definitions for various function/variable attributes.
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
#define av_cold
Definition: attributes.h:82
void ff_h264dsp_init_mips(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
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)
simple assert() macros that are a bit more flexible than ISO C assert().
Accelerated start code search function for start codes common to MPEG-1/2/4 video, VC-1, H.264/5.
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:67
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_ppc(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp.c:790
int ff_startcode_find_candidate_c(const uint8_t *buf, int size)
Definition: startcode.c:31
Libavcodec 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:212
static double c[64]
static unsigned bit_depth(uint64_t mask)
Definition: af_astats.c:142
#define H264_DSP(depth)
#define ADDPX_DSP(depth)