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 Rennpackage android.media.effect.effects; 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.OneShotScheduler; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.media.effect.EffectContext; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.media.effect.FilterGraphEffect; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.media.effect.EffectUpdateListener; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterpacks.videoproc.BackDropperFilter; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterpacks.videoproc.BackDropperFilter.LearningDoneListener; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Background replacement Effect. 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Replaces the background of the input video stream with a selected video 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Learns the background when it first starts up; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * needs unobstructed view of background when this happens. 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Effect parameters: 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * source: A URI for the background video 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Listener: Called when learning period is complete 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class BackDropperEffect extends FilterGraphEffect { 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private static final String mGraphDefinition = 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@import android.filterpacks.base;\n" + 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@import android.filterpacks.videoproc;\n" + 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@import android.filterpacks.videosrc;\n" + 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "\n" + 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@filter GLTextureSource foreground {\n" + 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " texId = 0;\n" + // Will be set by base class 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " width = 0;\n" + 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " height = 0;\n" + 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " repeatFrame = true;\n" + 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "}\n" + 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "\n" + 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@filter MediaSource background {\n" + 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " sourceUrl = \"no_file_specified\";\n" + 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " waitForNewFrame = false;\n" + 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " sourceIsUrl = true;\n" + 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "}\n" + 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "\n" + 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@filter BackDropperFilter replacer {\n" + 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " autowbToggle = 1;\n" + 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "}\n" + 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "\n" + 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@filter GLTextureTarget output {\n" + 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " texId = 0;\n" + 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "}\n" + 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "\n" + 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@connect foreground[frame] => replacer[video];\n" + 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@connect background[video] => replacer[background];\n" + 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "@connect replacer[video] => output[frame];\n"; 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private EffectUpdateListener mEffectListener = null; 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private LearningDoneListener mLearningListener = new LearningDoneListener() { 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void onLearningDone(BackDropperFilter filter) { 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mEffectListener != null) { 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mEffectListener.onEffectUpdated(BackDropperEffect.this, null); 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn }; 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public BackDropperEffect(EffectContext context, String name) { 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(context, name, mGraphDefinition, "foreground", "output", OneShotScheduler.class); 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Filter replacer = mGraph.getFilter("replacer"); 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn replacer.setInputValue("learningDoneListener", mLearningListener); 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setParameter(String parameterKey, Object value) { 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (parameterKey.equals("source")) { 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Filter background = mGraph.getFilter("background"); 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn background.setInputValue("sourceUrl", value); 94f330d19a17ebdaabdad4e97222f65e7b580abe76Mike Dodd } else if (parameterKey.equals("context")) { 95f330d19a17ebdaabdad4e97222f65e7b580abe76Mike Dodd Filter background = mGraph.getFilter("background"); 96f330d19a17ebdaabdad4e97222f65e7b580abe76Mike Dodd background.setInputValue("context", value); 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setUpdateListener(EffectUpdateListener listener) { 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mEffectListener = listener; 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn}