1227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks/* 2227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * Copyright (C) 2011 The Android Open Source Project 3227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * 4227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * Licensed under the Apache License, Version 2.0 (the "License"); 5227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * you may not use this file except in compliance with the License. 6227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * You may obtain a copy of the License at 7227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * 8227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * http://www.apache.org/licenses/LICENSE-2.0 9227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * 10227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * Unless required by applicable law or agreed to in writing, software 11227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * distributed under the License is distributed on an "AS IS" BASIS, 12227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * See the License for the specific language governing permissions and 14227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * limitations under the License. 15227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks */ 16227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 17227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendrickspackage androidx.media.filterpacks.text; 18227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 19227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Filter; 20227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.FrameType; 21227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.FrameValue; 22227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.MffContext; 23227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.OutputPort; 24227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Signature; 25227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 26227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendrickspublic class ToStringFilter extends Filter { 27227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 28227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public ToStringFilter(MffContext context, String name) { 29227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks super(context, name); 30227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 31227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 32227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 33227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public Signature getSignature() { 34227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks return new Signature() 35227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("object", Signature.PORT_REQUIRED, FrameType.single()) 36227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addOutputPort("string", Signature.PORT_REQUIRED, FrameType.single(String.class)) 37227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .disallowOtherPorts(); 38227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 39227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 40227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 41227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks protected void onProcess() { 42227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameValue objectFrame = getConnectedInputPort("object").pullFrame().asFrameValue(); 43227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks String outStr = objectFrame.getValue().toString(); 44227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks OutputPort outPort = getConnectedOutputPort("string"); 45227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameValue stringFrame = outPort.fetchAvailableFrame(null).asFrameValue(); 46227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks stringFrame.setValue(outStr); 47227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks outPort.pushFrame(stringFrame); 48227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 49227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 50227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks} 51227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 52