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