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.filterfw.core; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameManager; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GLEnvironment; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.util.HashMap; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.util.HashSet; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.util.Set; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class FilterContext { 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private FrameManager mFrameManager; 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private GLEnvironment mGLEnvironment; 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private HashMap<String, Frame> mStoredFrames = new HashMap<String, Frame>(); 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Set<FilterGraph> mGraphs = new HashSet<FilterGraph>(); 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public FrameManager getFrameManager() { 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return mFrameManager; 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setFrameManager(FrameManager manager) { 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (manager == null) { 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new NullPointerException("Attempting to set null FrameManager!"); 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (manager.getContext() != null) { 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new IllegalArgumentException("Attempting to set FrameManager which is already " 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn + "bound to another FilterContext!"); 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrameManager = manager; 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrameManager.setContext(this); 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public GLEnvironment getGLEnvironment() { 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return mGLEnvironment; 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void initGLEnvironment(GLEnvironment environment) { 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mGLEnvironment == null) { 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGLEnvironment = environment; 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Attempting to re-initialize GL Environment for " + 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "FilterContext!"); 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public interface OnFrameReceivedListener { 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void onFrameReceived(Filter filter, Frame frame, Object userData); 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public synchronized void storeFrame(String key, Frame frame) { 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame storedFrame = fetchFrame(key); 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (storedFrame != null) { 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn storedFrame.release(); 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn frame.onFrameStore(); 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mStoredFrames.put(key, frame.retain()); 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public synchronized Frame fetchFrame(String key) { 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame frame = mStoredFrames.get(key); 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (frame != null) { 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn frame.onFrameFetch(); 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return frame; 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public synchronized void removeFrame(String key) { 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame frame = mStoredFrames.get(key); 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (frame != null) { 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mStoredFrames.remove(key); 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn frame.release(); 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public synchronized void tearDown() { 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release stored frames 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn for (Frame frame : mStoredFrames.values()) { 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn frame.release(); 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mStoredFrames.clear(); 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release graphs 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn for (FilterGraph graph : mGraphs) { 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn graph.tearDown(this); 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGraphs.clear(); 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release frame manager 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mFrameManager != null) { 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrameManager.tearDown(); 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrameManager = null; 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release GL context 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mGLEnvironment != null) { 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGLEnvironment.tearDown(); 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGLEnvironment = null; 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn final void addGraph(FilterGraph graph) { 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGraphs.add(graph); 12565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 127