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;
22
23/**
24 * @hide
25 */
26public class NullFilter extends Filter {
27
28    public NullFilter(String name) {
29        super(name);
30    }
31
32    @Override
33    public void setupPorts() {
34        addInputPort("frame");
35    }
36
37    @Override
38    public void process(FilterContext context) {
39        pullInput("frame");
40    }
41
42}
43