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.transform; 18227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 19227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks// TODO: scale filter needs to be able to specify output width and height 20227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.FrameType; 21227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.InputPort; 22227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.MffContext; 23227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricksimport androidx.media.filterfw.Signature; 24227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 25227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendrickspublic class ScaleFilter extends ResizeFilter { 26227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 27227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks private float mScale = 1.0f; 28227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 29227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public ScaleFilter(MffContext context, String name) { 30227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks super(context, name); 31227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 32227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 33227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 34227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public Signature getSignature() { 35227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameType imageIn = FrameType.image2D(FrameType.ELEMENT_RGBA8888, FrameType.READ_GPU); 36227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks FrameType imageOut = FrameType.image2D(FrameType.ELEMENT_RGBA8888, FrameType.WRITE_GPU); 37227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks return new Signature() 38227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("image", Signature.PORT_REQUIRED, imageIn) 39227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("scale", Signature.PORT_OPTIONAL, FrameType.single(float.class)) 40227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addInputPort("useMipmaps", Signature.PORT_OPTIONAL, FrameType.single(boolean.class)) 41227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .addOutputPort("image", Signature.PORT_REQUIRED, imageOut) 42227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks .disallowOtherPorts(); 43227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 44227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 45227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 46227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks public void onInputPortOpen(InputPort port) { 47227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks if (port.getName().equals("scale")) { 48227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.bindToFieldNamed("mScale"); 49227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.setAutoPullEnabled(true); 50227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } else if (port.getName().equals("useMipmaps")) { 51227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.bindToFieldNamed("mUseMipmaps"); 52227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks port.setAutoPullEnabled(true); 53227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 54227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 55227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 56227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 57227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks protected int getOutputWidth(int inWidth, int inHeight) { 58227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks return (int)(inWidth * mScale); 59227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 60227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 61227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks @Override 62227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks protected int getOutputHeight(int inWidth, int inHeight) { 63227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks return (int)(inHeight * mScale); 64227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks } 65227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks 66227b47625d7482b5b47ad0e4c70ce0a246236adeBenjamin Hendricks} 67