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hpel_template.c
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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 #define DEF_HPEL(OPNAME, OP) \
23 static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
24  int i;\
25  for(i=0; i<h; i++){\
26  OP(*((pixel2*)(block )), AV_RN2P(pixels ));\
27  pixels+=line_size;\
28  block +=line_size;\
29  }\
30 }\
31 static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
32  int i;\
33  for(i=0; i<h; i++){\
34  OP(*((pixel4*)(block )), AV_RN4P(pixels ));\
35  pixels+=line_size;\
36  block +=line_size;\
37  }\
38 }\
39 static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
40  int i;\
41  for(i=0; i<h; i++){\
42  OP(*((pixel4*)(block )), AV_RN4P(pixels ));\
43  OP(*((pixel4*)(block+4*sizeof(pixel))), AV_RN4P(pixels+4*sizeof(pixel)));\
44  pixels+=line_size;\
45  block +=line_size;\
46  }\
47 }\
48 \
49 static inline void FUNC(OPNAME ## _pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
50  int src_stride1, int src_stride2, int h){\
51  int i;\
52  for(i=0; i<h; i++){\
53  pixel4 a,b;\
54  a= AV_RN4P(&src1[i*src_stride1 ]);\
55  b= AV_RN4P(&src2[i*src_stride2 ]);\
56  OP(*((pixel4*)&dst[i*dst_stride ]), rnd_avg_pixel4(a, b));\
57  a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
58  b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
59  OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), rnd_avg_pixel4(a, b));\
60  }\
61 }\
62 \
63 static inline void FUNC(OPNAME ## _pixels4_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
64  int src_stride1, int src_stride2, int h){\
65  int i;\
66  for(i=0; i<h; i++){\
67  pixel4 a,b;\
68  a= AV_RN4P(&src1[i*src_stride1 ]);\
69  b= AV_RN4P(&src2[i*src_stride2 ]);\
70  OP(*((pixel4*)&dst[i*dst_stride ]), rnd_avg_pixel4(a, b));\
71  }\
72 }\
73 \
74 static inline void FUNC(OPNAME ## _pixels2_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
75  int src_stride1, int src_stride2, int h){\
76  int i;\
77  for(i=0; i<h; i++){\
78  pixel4 a,b;\
79  a= AV_RN2P(&src1[i*src_stride1 ]);\
80  b= AV_RN2P(&src2[i*src_stride2 ]);\
81  OP(*((pixel2*)&dst[i*dst_stride ]), rnd_avg_pixel4(a, b));\
82  }\
83 }\
84 \
85 static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
86  int src_stride1, int src_stride2, int h){\
87  FUNC(OPNAME ## _pixels8_l2)(dst , src1 , src2 , dst_stride, src_stride1, src_stride2, h);\
88  FUNC(OPNAME ## _pixels8_l2)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, h);\
89 }\
90 \
91 CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16) , FUNCC(OPNAME ## _pixels8) , 8*sizeof(pixel))
92 
93 
94 #define op_avg(a, b) a = rnd_avg_pixel4(a, b)
95 #define op_put(a, b) a = b
96 
97 DEF_HPEL(avg, op_avg)
98 DEF_HPEL(put, op_put)
99 #undef op_avg
100 #undef op_put