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.base; 18227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 19227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Filter; 20227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Frame; 21227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.FrameType; 22227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.InputPort; 23227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.MffContext; 24227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.OutputPort; 25227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Signature; 26227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 27227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendrickspublic final class BranchFilter extends Filter { 28227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 29227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private boolean mSynchronized = true; 30227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 31227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public BranchFilter(MffContext context, String name) { 32227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks super(context, name); 33227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 34227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 35227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public BranchFilter(MffContext context, String name, boolean synced) { 36227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks super(context, name); 37227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks mSynchronized = synced; 38227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 39227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 40227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 41227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public Signature getSignature() { 42227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks return new Signature() 43227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("input", Signature.PORT_REQUIRED, FrameType.any()) 44227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("synchronized", Signature.PORT_OPTIONAL,FrameType.single(boolean.class)) 45227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .disallowOtherInputs(); 46227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 47227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 48227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 49227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public void onInputPortOpen(InputPort port) { 50227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks if (port.getName().equals("input")) { 51227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks for (OutputPort outputPort : getConnectedOutputPorts()) { 52227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.attachToOutputPort(outputPort); 53227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 54227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } else if (port.getName().equals("synchronized")) { 55227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.bindToFieldNamed("mSynchronized"); 56227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.setAutoPullEnabled(true); 57227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 58227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 59227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 60227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 61227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks protected void onOpen() { 62227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks updateSynchronization(); 63227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 64227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 65227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 66227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks protected void onProcess() { 67227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks Frame inputFrame = getConnectedInputPort("input").pullFrame(); 68227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks for (OutputPort outputPort : getConnectedOutputPorts()) { 69227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks if (outputPort.isAvailable()) { 70227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks outputPort.pushFrame(inputFrame); 71227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 72227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 73227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 74227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 75227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private void updateSynchronization() { 76227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks if (mSynchronized) { 77227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks for (OutputPort port : getConnectedOutputPorts()) { 78227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.setWaitsUntilAvailable(true); 79227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 80227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } else { 81227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks for (OutputPort port : getConnectedOutputPorts()) { 82227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.setWaitsUntilAvailable(false); 83227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 84227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 85227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 86227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 87227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks} 88227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 89