Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / h264chroma_template.c
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2ba45a60
DM
1/*
2 * Copyright (c) 2000, 2001 Fabrice Bellard
3 * Copyright (c) 2002-2004 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#include "libavutil/avassert.h"
23
24#include "bit_depth_template.c"
25
26#define H264_CHROMA_MC(OPNAME, OP)\
27static void FUNCC(OPNAME ## h264_chroma_mc1)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
28 pixel *dst = (pixel*)_dst;\
29 pixel *src = (pixel*)_src;\
30 const int A=(8-x)*(8-y);\
31 const int B=( x)*(8-y);\
32 const int C=(8-x)*( y);\
33 const int D=( x)*( y);\
34 int i;\
35 stride >>= sizeof(pixel)-1;\
36 \
37 av_assert2(x<8 && y<8 && x>=0 && y>=0);\
38\
39 if(D){\
40 for(i=0; i<h; i++){\
41 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
42 dst+= stride;\
43 src+= stride;\
44 }\
45 } else if (B + C) {\
46 const int E= B+C;\
47 const int step= C ? stride : 1;\
48 for(i=0; i<h; i++){\
49 OP(dst[0], (A*src[0] + E*src[step+0]));\
50 dst+= stride;\
51 src+= stride;\
52 }\
53 } else {\
54 for(i=0; i<h; i++){\
55 OP(dst[0], (A*src[0]));\
56 dst+= stride;\
57 src+= stride;\
58 }\
59 }\
60}\
61static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
62 pixel *dst = (pixel*)_dst;\
63 pixel *src = (pixel*)_src;\
64 const int A=(8-x)*(8-y);\
65 const int B=( x)*(8-y);\
66 const int C=(8-x)*( y);\
67 const int D=( x)*( y);\
68 int i;\
69 stride >>= sizeof(pixel)-1;\
70 \
71 av_assert2(x<8 && y<8 && x>=0 && y>=0);\
72\
73 if(D){\
74 for(i=0; i<h; i++){\
75 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
76 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\
77 dst+= stride;\
78 src+= stride;\
79 }\
80 } else if (B + C) {\
81 const int E= B+C;\
82 const int step= C ? stride : 1;\
83 for(i=0; i<h; i++){\
84 OP(dst[0], (A*src[0] + E*src[step+0]));\
85 OP(dst[1], (A*src[1] + E*src[step+1]));\
86 dst+= stride;\
87 src+= stride;\
88 }\
89 } else {\
90 for ( i = 0; i < h; i++){\
91 OP(dst[0], A * src[0]);\
92 OP(dst[1], A * src[1]);\
93 dst += stride;\
94 src += stride;\
95 }\
96 }\
97}\
98\
99static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
100 pixel *dst = (pixel*)_dst;\
101 pixel *src = (pixel*)_src;\
102 const int A=(8-x)*(8-y);\
103 const int B=( x)*(8-y);\
104 const int C=(8-x)*( y);\
105 const int D=( x)*( y);\
106 int i;\
107 stride >>= sizeof(pixel)-1;\
108 \
109 av_assert2(x<8 && y<8 && x>=0 && y>=0);\
110\
111 if(D){\
112 for(i=0; i<h; i++){\
113 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
114 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\
115 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\
116 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\
117 dst+= stride;\
118 src+= stride;\
119 }\
120 } else if (B + C) {\
121 const int E= B+C;\
122 const int step= C ? stride : 1;\
123 for(i=0; i<h; i++){\
124 OP(dst[0], (A*src[0] + E*src[step+0]));\
125 OP(dst[1], (A*src[1] + E*src[step+1]));\
126 OP(dst[2], (A*src[2] + E*src[step+2]));\
127 OP(dst[3], (A*src[3] + E*src[step+3]));\
128 dst+= stride;\
129 src+= stride;\
130 }\
131 } else {\
132 for ( i = 0; i < h; i++){\
133 OP(dst[0], A * src[0]);\
134 OP(dst[1], A * src[1]);\
135 OP(dst[2], A * src[2]);\
136 OP(dst[3], A * src[3]);\
137 dst += stride;\
138 src += stride;\
139 }\
140 }\
141}\
142\
143static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
144 pixel *dst = (pixel*)_dst;\
145 pixel *src = (pixel*)_src;\
146 const int A=(8-x)*(8-y);\
147 const int B=( x)*(8-y);\
148 const int C=(8-x)*( y);\
149 const int D=( x)*( y);\
150 int i;\
151 stride >>= sizeof(pixel)-1;\
152 \
153 av_assert2(x<8 && y<8 && x>=0 && y>=0);\
154\
155 if(D){\
156 for(i=0; i<h; i++){\
157 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
158 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\
159 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\
160 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\
161 OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5]));\
162 OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6]));\
163 OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7]));\
164 OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8]));\
165 dst+= stride;\
166 src+= stride;\
167 }\
168 } else if (B + C) {\
169 const int E= B+C;\
170 const int step= C ? stride : 1;\
171 for(i=0; i<h; i++){\
172 OP(dst[0], (A*src[0] + E*src[step+0]));\
173 OP(dst[1], (A*src[1] + E*src[step+1]));\
174 OP(dst[2], (A*src[2] + E*src[step+2]));\
175 OP(dst[3], (A*src[3] + E*src[step+3]));\
176 OP(dst[4], (A*src[4] + E*src[step+4]));\
177 OP(dst[5], (A*src[5] + E*src[step+5]));\
178 OP(dst[6], (A*src[6] + E*src[step+6]));\
179 OP(dst[7], (A*src[7] + E*src[step+7]));\
180 dst+= stride;\
181 src+= stride;\
182 }\
183 } else {\
184 for ( i = 0; i < h; i++){\
185 OP(dst[0], A * src[0]);\
186 OP(dst[1], A * src[1]);\
187 OP(dst[2], A * src[2]);\
188 OP(dst[3], A * src[3]);\
189 OP(dst[4], A * src[4]);\
190 OP(dst[5], A * src[5]);\
191 OP(dst[6], A * src[6]);\
192 OP(dst[7], A * src[7]);\
193 dst += stride;\
194 src += stride;\
195 }\
196 }\
197}
198
199#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1)
200#define op_put(a, b) a = (((b) + 32)>>6)
201
202H264_CHROMA_MC(put_ , op_put)
203H264_CHROMA_MC(avg_ , op_avg)
204#undef op_avg
205#undef op_put