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.base; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterContext; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFieldPort; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFinalPort; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.KeyValueMap; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.MutableFrameFormat; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.PrimitiveFormat; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.io.ByteArrayOutputStream; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.io.InputStream; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.io.IOException; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.nio.ByteBuffer; 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class InputStreamSource extends Filter { 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFinalPort(name = "target") 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private String mTarget; 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "stream") 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private InputStream mInputStream; 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFinalPort(name = "format", hasDefault = true) 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private MutableFrameFormat mOutputFormat = null; 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public InputStreamSource(String name) { 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int target = FrameFormat.readTargetString(mTarget); 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mOutputFormat == null) { 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mOutputFormat = PrimitiveFormat.createByteFormat(target); 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addOutputPort("data", mOutputFormat); 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int fileSize = 0; 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ByteBuffer byteBuffer = null; 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Read the file 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn try { 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn byte[] buffer = new byte[1024]; 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int bytesRead; 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn while ((bytesRead = mInputStream.read(buffer)) > 0) { 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn byteStream.write(buffer, 0, bytesRead); 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn fileSize += bytesRead; 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn byteBuffer = ByteBuffer.wrap(byteStream.toByteArray()); 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } catch (IOException exception) { 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException( 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "InputStreamSource: Could not read stream: " + exception.getMessage() + "!"); 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Put it into a frame 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mOutputFormat.setDimensions(fileSize); 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame output = context.getFrameManager().newFrame(mOutputFormat); 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.setData(byteBuffer); 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Push output 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("data", output); 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release pushed frame 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.release(); 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Close output port as we are done here 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn closeOutputPort("data"); 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 97