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
|
@
@ Copyright (C) 2009 The Android Open Source Project
@
@ Licensed under the Apache License, Version 2.0 (the "License");
@ you may not use this file except in compliance with the License.
@ You may obtain a copy of the License at
@
@ http://www.apache.org/licenses/LICENSE-2.0
@
@ Unless required by applicable law or agreed to in writing, software
@ distributed under the License is distributed on an "AS IS" BASIS,
@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@ See the License for the specific language governing permissions and
@ limitations under the License.
@
#include "asm_common.S"
require8
preserve8
.arm
.fpu neon
.text
/* Input / output registers */
#define image r0
#define data r1
#define width r2
#define luma r3
#define cb r4
#define cr r5
#define cwidth r6
/* -- NEON registers -- */
#define qRow0 Q0.U8
#define qRow1 Q1.U8
#define qRow2 Q2.U8
#define qRow3 Q3.U8
#define qRow4 Q4.U8
#define qRow5 Q5.U8
#define qRow6 Q6.U8
#define qRow7 Q7.U8
#define qRow8 Q8.U8
#define qRow9 Q9.U8
#define qRow10 Q10.U8
#define qRow11 Q11.U8
#define qRow12 Q12.U8
#define qRow13 Q13.U8
#define qRow14 Q14.U8
#define qRow15 Q15.U8
#define dRow0 D0.U8
#define dRow1 D1.U8
#define dRow2 D2.U8
#define dRow3 D3.U8
#define dRow4 D4.U8
#define dRow5 D5.U8
#define dRow6 D6.U8
#define dRow7 D7.U8
#define dRow8 D8.U8
#define dRow9 D9.U8
#define dRow10 D10.U8
#define dRow11 D11.U8
#define dRow12 D12.U8
#define dRow13 D13.U8
#define dRow14 D14.U8
#define dRow15 D15.U8
/*------------------------------------------------------------------------------
Function: h264bsdWriteMacroblock
Functional description:
Write one macroblock into the image. Both luma and chroma
components will be written at the same time.
Inputs:
data pointer to macroblock data to be written, 256 values for
luma followed by 64 values for both chroma components
Outputs:
image pointer to the image where the macroblock will be written
Returns:
none
------------------------------------------------------------------------------*/
function h264bsdWriteMacroblock, export=1
PUSH {r4-r6,lr}
VPUSH {q4-q7}
LDR width, [image, #4]
LDR luma, [image, #0xC]
LDR cb, [image, #0x10]
LDR cr, [image, #0x14]
@ Write luma
VLD1 {qRow0, qRow1}, [data]!
LSL width, width, #4
VLD1 {qRow2, qRow3}, [data]!
LSR cwidth, width, #1
VST1 {qRow0}, [luma,:128], width
VLD1 {qRow4, qRow5}, [data]!
VST1 {qRow1}, [luma,:128], width
VLD1 {qRow6, qRow7}, [data]!
VST1 {qRow2}, [luma,:128], width
VLD1 {qRow8, qRow9}, [data]!
VST1 {qRow3}, [luma,:128], width
VLD1 {qRow10, qRow11}, [data]!
VST1 {qRow4}, [luma,:128], width
VLD1 {qRow12, qRow13}, [data]!
VST1 {qRow5}, [luma,:128], width
VLD1 {qRow14, qRow15}, [data]!
VST1 {qRow6}, [luma,:128], width
VLD1 {qRow0, qRow1}, [data]! ;//cb rows 0,1,2,3
VST1 {qRow7}, [luma,:128], width
VLD1 {qRow2, qRow3}, [data]! ;//cb rows 4,5,6,7
VST1 {qRow8}, [luma,:128], width
VLD1 {qRow4, qRow5}, [data]! ;//cr rows 0,1,2,3
VST1 {qRow9}, [luma,:128], width
VLD1 {qRow6, qRow7}, [data]! ;//cr rows 4,5,6,7
VST1 {qRow10}, [luma,:128], width
VST1 {dRow0}, [cb,:64], cwidth
VST1 {dRow8}, [cr,:64], cwidth
VST1 {qRow11}, [luma,:128], width
VST1 {dRow1}, [cb,:64], cwidth
VST1 {dRow9}, [cr,:64], cwidth
VST1 {qRow12}, [luma,:128], width
VST1 {dRow2}, [cb,:64], cwidth
VST1 {dRow10}, [cr,:64], cwidth
VST1 {qRow13}, [luma,:128], width
VST1 {dRow3}, [cb,:64], cwidth
VST1 {dRow11}, [cr,:64], cwidth
VST1 {qRow14}, [luma,:128], width
VST1 {dRow4}, [cb,:64], cwidth
VST1 {dRow12}, [cr,:64], cwidth
VST1 {qRow15}, [luma]
VST1 {dRow5}, [cb,:64], cwidth
VST1 {dRow13}, [cr,:64], cwidth
VST1 {dRow6}, [cb,:64], cwidth
VST1 {dRow14}, [cr,:64], cwidth
VST1 {dRow7}, [cb,:64]
VST1 {dRow15}, [cr,:64]
VPOP {q4-q7}
POP {r4-r6,pc}
@ BX lr
.endfunc
|
