blob: 254167a18d51bcc924605309eebcb00c8aafc519 (
plain)
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
|
/*
* Copyright (C) 2011 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.
*/
package android.filterpacks.base;
import android.filterfw.core.Filter;
import android.filterfw.core.FilterContext;
import android.filterfw.core.Frame;
import android.filterfw.core.FrameFormat;
import android.filterfw.core.GenerateFieldPort;
import android.filterfw.core.GenerateFinalPort;
import android.filterfw.core.KeyValueMap;
import android.filterfw.core.MutableFrameFormat;
/**
* @hide
*/
public class RetargetFilter extends Filter {
@GenerateFinalPort(name = "target", hasDefault = false)
private String mTargetString;
private MutableFrameFormat mOutputFormat;
private int mTarget = -1;
public RetargetFilter(String name) {
super(name);
}
@Override
public void setupPorts() {
// Setup target
mTarget = FrameFormat.readTargetString(mTargetString);
// Add ports
addInputPort("frame");
addOutputBasedOnInput("frame", "frame");
}
@Override
public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) {
MutableFrameFormat retargeted = inputFormat.mutableCopy();
retargeted.setTarget(mTarget);
return retargeted;
}
@Override
public void process(FilterContext context) {
// Get input frame
Frame input = pullInput("frame");
// Create output frame
Frame output = context.getFrameManager().duplicateFrameToTarget(input, mTarget);
// Push output
pushOutput("frame", output);
// Release pushed frame
output.release();
}
}
|