165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpackage android.filterpacks.imageproc; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.content.Context; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterContext; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameManager; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFinalPort; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFieldPort; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.KeyValueMap; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.MutableFrameFormat; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeFrame; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.graphics.Bitmap; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class BitmapSource extends Filter { 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "target") 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn String mTargetString; 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "bitmap") 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Bitmap mBitmap; 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "recycleBitmap", hasDefault = true) 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private boolean mRecycleBitmap = true; 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "repeatFrame", hasDefault = true) 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn boolean mRepeatFrame = false; 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTarget; 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Frame mImageFrame; 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public BitmapSource(String name) { 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Setup output format 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat outputFormat = ImageFormat.create(ImageFormat.COLORSPACE_RGBA, 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_UNSPECIFIED); 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Add output port 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addOutputPort("image", outputFormat); 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void loadImage(FilterContext filterContext) { 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create frame with bitmap 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTarget = FrameFormat.readTargetString(mTargetString); 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat outputFormat = ImageFormat.create(mBitmap.getWidth(), 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mBitmap.getHeight(), 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ImageFormat.COLORSPACE_RGBA, 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTarget); 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mImageFrame = filterContext.getFrameManager().newFrame(outputFormat); 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mImageFrame.setBitmap(mBitmap); 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mImageFrame.setTimestamp(Frame.TIMESTAMP_UNKNOWN); 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Free up space used by bitmap 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mRecycleBitmap) { 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mBitmap.recycle(); 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mBitmap = null; 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void fieldPortValueUpdated(String name, FilterContext context) { 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Clear image (to trigger reload) in case parameters have been changed 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (name.equals("bitmap") || name.equals("target")) { 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mImageFrame != null) { 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mImageFrame.release(); 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mImageFrame = null; 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mImageFrame == null) { 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn loadImage(context); 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("image", mImageFrame); 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (!mRepeatFrame) { 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn closeOutputPort("image"); 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void tearDown(FilterContext env) { 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mImageFrame != null) { 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mImageFrame.release(); 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mImageFrame = null; 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 119