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 import android.filterfw.core.GenerateFinalPort; 25 import android.filterfw.core.KeyValueMap; 26 27 /** 28 * @hide 29 */ 30 public class FrameBranch extends Filter { 31 32 @GenerateFinalPort(name = "outputs", hasDefault = true) 33 private int mNumberOfOutputs = 2; 34 35 public FrameBranch(String name) { 36 super(name); 37 } 38 39 @Override 40 public void setupPorts() { 41 addInputPort("in"); 42 for (int i = 0; i < mNumberOfOutputs; ++i) { 43 addOutputBasedOnInput("out" + i, "in"); 44 } 45 } 46 47 @Override 48 public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) { 49 return inputFormat; 50 } 51 52 public void process(FilterContext context) { 53 // Get input frame 54 Frame input = pullInput("in"); 55 56 // Push output 57 for (int i = 0; i < mNumberOfOutputs; ++i) { 58 pushOutput("out" + i, input); 59 } 60 } 61 62 } 63