1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
* motion_comp_arm.c
* Copyright (C) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with mpeg2dec; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#if ARCH_ARM
#include <inttypes.h>
#include "mpeg2.h"
#include "attributes.h"
#include "mpeg2_internal.h"
#define avg2(a,b) ((a+b+1)>>1)
#define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
#define predict_o(i) (ref[i])
#define predict_x(i) (avg2 (ref[i], ref[i+1]))
#define predict_y(i) (avg2 (ref[i], (ref+stride)[i]))
#define predict_xy(i) (avg4 (ref[i], ref[i+1], \
(ref+stride)[i], (ref+stride)[i+1]))
#define put(predictor,i) dest[i] = predictor (i)
#define avg(predictor,i) dest[i] = avg2 (predictor (i), dest[i])
/* mc function template */
#define MC_FUNC(op,xy) \
static void inline MC_##op##_##xy##_16_c (uint8_t * dest, const uint8_t * ref, \
const int stride, int height) \
{ \
do { \
op (predict_##xy, 0); \
op (predict_##xy, 1); \
op (predict_##xy, 2); \
op (predict_##xy, 3); \
op (predict_##xy, 4); \
op (predict_##xy, 5); \
op (predict_##xy, 6); \
op (predict_##xy, 7); \
op (predict_##xy, 8); \
op (predict_##xy, 9); \
op (predict_##xy, 10); \
op (predict_##xy, 11); \
op (predict_##xy, 12); \
op (predict_##xy, 13); \
op (predict_##xy, 14); \
op (predict_##xy, 15); \
ref += stride; \
dest += stride; \
} while (--height); \
} \
static void MC_##op##_##xy##_8_c (uint8_t * dest, const uint8_t * ref, \
const int stride, int height) \
{ \
do { \
op (predict_##xy, 0); \
op (predict_##xy, 1); \
op (predict_##xy, 2); \
op (predict_##xy, 3); \
op (predict_##xy, 4); \
op (predict_##xy, 5); \
op (predict_##xy, 6); \
op (predict_##xy, 7); \
ref += stride; \
dest += stride; \
} while (--height); \
} \
/* definitions of the actual mc functions */
MC_FUNC (avg,o)
MC_FUNC (avg,x)
MC_FUNC (put,y)
MC_FUNC (avg,y)
MC_FUNC (put,xy)
MC_FUNC (avg,xy)
extern void MC_put_o_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height);
extern void MC_put_x_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height);
static void MC_put_y_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_put_y_16_c(dest, ref, stride, height);
}
static void MC_put_xy_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_put_xy_16_c(dest, ref, stride, height);
}
extern void MC_put_o_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height);
extern void MC_put_x_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height);
static void MC_put_y_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_put_y_8_c(dest, ref, stride, height);
}
static void MC_put_xy_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_put_xy_8_c(dest, ref, stride, height);
}
static void MC_avg_o_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_o_16_c(dest, ref, stride, height);
}
static void MC_avg_x_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_x_16_c(dest, ref, stride, height);
}
static void MC_avg_y_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_y_16_c(dest, ref, stride, height);
}
static void MC_avg_xy_16_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_xy_16_c(dest, ref, stride, height);
}
static void MC_avg_o_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_o_8_c(dest, ref, stride, height);
}
static void MC_avg_x_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_x_8_c(dest, ref, stride, height);
}
static void MC_avg_y_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_y_8_c(dest, ref, stride, height);
}
static void MC_avg_xy_8_arm (uint8_t * dest, const uint8_t * ref,
int stride, int height)
{
MC_avg_xy_8_c(dest, ref, stride, height);
}
MPEG2_MC_EXTERN (arm)
#endif
|
