1227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks/* 2227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * Copyright 2013 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// Takes in an array, returns the size of the array 17227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 18227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendrickspackage androidx.media.filterfw.samples.simplecamera; 19227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 20227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport android.util.Log; 21227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Filter; 22227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.FrameType; 23227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.FrameValue; 24227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.MffContext; 25227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.OutputPort; 26227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Signature; 27227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 28227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport java.lang.reflect.Array; 29227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 30227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendrickspublic class FloatArrayToSizeFilter extends Filter { 31227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 32227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private static final String TAG = "FloatArrayToSizeFilter"; 33227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private static boolean mLogVerbose = Log.isLoggable(TAG, Log.VERBOSE); 34227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks /** 35227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * @param context 36227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * @param name 37227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks */ 38227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public FloatArrayToSizeFilter(MffContext context, String name) { 39227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks super(context, name); 40227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 41227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 42227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 43227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public Signature getSignature() { 44227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameType intT = FrameType.single(int.class); 45227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameType floatType = FrameType.array(float.class); 46227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 47227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks return new Signature() 48227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("array", Signature.PORT_REQUIRED, floatType) 49227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addOutputPort("size", Signature.PORT_REQUIRED, intT) 50227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .disallowOtherPorts(); 51227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 52227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 53227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks /** 54227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * @see androidx.media.filterfw.Filter#onProcess() 55227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks */ 56227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 57227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks protected void onProcess() { 58227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameValue arrayFrame = getConnectedInputPort("array").pullFrame().asFrameValues(); 59227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks Object array = arrayFrame.getValue(); 60227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks int size = Array.getLength(array); 61227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 62227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks OutputPort outPort = getConnectedOutputPort("size"); 63227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameValue sizeFrame = outPort.fetchAvailableFrame(null).asFrameValue(); 64227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks sizeFrame.setValue(size); 65227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks outPort.pushFrame(sizeFrame); 66227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 67227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 68227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks} 69