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 18 package android.filterpacks.base; 19 20 import android.filterfw.core.Filter; 21 import android.filterfw.core.FilterContext; 22 import android.filterfw.core.Frame; 23 import android.filterfw.core.FrameFormat; 24 25 /** 26 * @hide 27 */ 28 public class NullFilter extends Filter { 29 30 public NullFilter(String name) { 31 super(name); 32 } 33 34 @Override 35 public void setupPorts() { 36 addInputPort("frame"); 37 } 38 39 @Override 40 public void process(FilterContext context) { 41 pullInput("frame"); 42 } 43 44 } 45
