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 sharpness scores in RT and averages them over time 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 Hendrickspublic class AverageFilter extends Filter { 29227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 30227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private static final String TAG = "AverageFilter"; 31227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private static boolean mLogVerbose = Log.isLoggable(TAG, Log.VERBOSE); 32227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 33227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private static final int NUM_FRAMES = 5; 34227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private int counter = 0; 35227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private float[] temp = new float[NUM_FRAMES]; 36227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 37227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks /** 38227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * @param context 39227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks * @param name 40227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks */ 41227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public AverageFilter(MffContext context, String name) { 42227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks super(context, name); 43227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 44227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 45227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 46227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public Signature getSignature() { 47227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameType floatT = FrameType.single(float.class); 48227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks return new Signature() 49227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("sharpness", Signature.PORT_REQUIRED, floatT) 50227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addOutputPort("avg", Signature.PORT_REQUIRED, floatT) 51227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .disallowOtherPorts(); 52227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 53227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 54227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 55227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks protected void onProcess() { 56227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameValue inFrameValue = getConnectedInputPort("sharpness").pullFrame().asFrameValue(); 57227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks if (counter < NUM_FRAMES && counter >= 0) { 58227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks temp[counter] = ((Float)inFrameValue.getValue()).floatValue(); 59227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 60227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 61227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks counter = (counter + 1) % NUM_FRAMES; 62227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 63227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks float output = (temp[0] + temp[1] + temp[2] + temp[3] + temp[4]) / NUM_FRAMES; 64227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks if (mLogVerbose) Log.v(TAG, "Avg= " + output + "temp1= " + temp[0] + "temp2= " + 65227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks temp[1] + "temp3= " + temp[2] + "temp4=" + temp[3] + "temp5=" + temp[4]); 66227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 67227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks OutputPort outPort = getConnectedOutputPort("avg"); 68227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameValue outFrame = outPort.fetchAvailableFrame(null).asFrameValue(); 69227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks outFrame.setValue(output); 70227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks outPort.pushFrame(outFrame); 71227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 72227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks} 73