1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18 #include "mp4dec_lib.h"
19
20 /* ====================================================================== /
21 Function : PutSKIPPED_MB()
22 Date : 04/03/2000
23 / ====================================================================== */
24
PutSKIPPED_MB(uint8 * comp,uint8 * prev,int width)25 void PutSKIPPED_MB(uint8 *comp, uint8 *prev, int width)
26 {
27 int32 *temp0, *temp1;
28 int row;
29 row = MB_SIZE;
30
31
32 while (row)
33 {
34 temp0 = (int32 *)prev;
35 temp1 = (int32 *)comp;
36
37 temp1[0] = temp0[0];
38 temp1[1] = temp0[1];
39 temp1[2] = temp0[2];
40 temp1[3] = temp0[3];
41
42 comp += width;
43 prev += width;
44
45 temp0 = (int32 *)prev;
46 temp1 = (int32 *)comp;
47
48 temp1[0] = temp0[0];
49 temp1[1] = temp0[1];
50 temp1[2] = temp0[2];
51 temp1[3] = temp0[3];
52
53 comp += width;
54 prev += width;
55
56 temp0 = (int32 *)prev;
57 temp1 = (int32 *)comp;
58 temp1[0] = temp0[0];
59 temp1[1] = temp0[1];
60 temp1[2] = temp0[2];
61 temp1[3] = temp0[3];
62
63
64 comp += width;
65 prev += width;
66
67 temp0 = (int32 *)prev;
68 temp1 = (int32 *)comp;
69 temp1[0] = temp0[0];
70 temp1[1] = temp0[1];
71 temp1[2] = temp0[2];
72 temp1[3] = temp0[3];
73
74 comp += width;
75 prev += width;
76 row -= 4;
77 }
78 }
79
80
81 /* ====================================================================== /
82 Function : PutSKIPPED_B()
83 Date : 04/03/2000
84 / ====================================================================== */
85
PutSKIPPED_B(uint8 * comp,uint8 * prev,int width)86 void PutSKIPPED_B(uint8 *comp, uint8 *prev, int width)
87 {
88 int32 *temp0, *temp1;
89 int row;
90
91 row = B_SIZE;
92 while (row)
93 {
94 temp0 = (int32 *)prev;
95 temp1 = (int32 *)comp;
96
97 temp1[0] = temp0[0];
98 temp1[1] = temp0[1];
99
100 comp += width;
101 prev += width;
102
103 temp0 = (int32 *)prev;
104 temp1 = (int32 *)comp;
105
106 temp1[0] = temp0[0];
107 temp1[1] = temp0[1];
108
109 comp += width;
110 prev += width;
111
112 temp0 = (int32 *)prev;
113 temp1 = (int32 *)comp;
114
115 temp1[0] = temp0[0];
116 temp1[1] = temp0[1];
117
118 comp += width;
119 prev += width;
120
121 temp0 = (int32 *)prev;
122 temp1 = (int32 *)comp;
123
124 temp1[0] = temp0[0];
125 temp1[1] = temp0[1];
126
127 comp += width;
128 prev += width;
129 row -= 4;
130 }
131 }
132
133
134