1/*
2 * Copyright (C) 2011 The Android Open Source Project
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 express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17
18package android.filterpacks.base;
19
20import android.filterfw.core.Filter;
21import android.filterfw.core.FilterContext;
22import android.filterfw.core.Frame;
23import android.filterfw.core.FrameFormat;
24import android.filterfw.core.GenerateFinalPort;
25
26/**
27 * @hide
28 */
29public class FrameBranch extends Filter {
30
31    @GenerateFinalPort(name = "outputs", hasDefault = true)
32    private int mNumberOfOutputs = 2;
33
34    public FrameBranch(String name) {
35        super(name);
36    }
37
38    @Override
39    public void setupPorts() {
40        addInputPort("in");
41        for (int i = 0; i < mNumberOfOutputs; ++i) {
42            addOutputBasedOnInput("out" + i, "in");
43        }
44    }
45
46    @Override
47    public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) {
48        return inputFormat;
49    }
50
51    public void process(FilterContext context) {
52        // Get input frame
53        Frame input = pullInput("in");
54
55        // Push output
56        for (int i = 0; i < mNumberOfOutputs; ++i) {
57            pushOutput("out" + i, input);
58        }
59    }
60
61}
62