1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 18package android.media.effect.effects; 19 20import android.filterfw.core.Frame; 21import android.media.effect.EffectContext; 22import android.media.effect.FilterEffect; 23 24/** 25 * @hide 26 */ 27public class IdentityEffect extends FilterEffect { 28 29 public IdentityEffect(EffectContext context, String name) { 30 super(context, name); 31 } 32 33 @Override 34 public void apply(int inputTexId, int width, int height, int outputTexId) { 35 beginGLEffect(); 36 37 Frame inputFrame = frameFromTexture(inputTexId, width, height); 38 Frame outputFrame = frameFromTexture(outputTexId, width, height); 39 40 outputFrame.setDataFromFrame(inputFrame); 41 42 inputFrame.release(); 43 outputFrame.release(); 44 45 endGLEffect(); 46 } 47 48 @Override 49 public void setParameter(String parameterKey, Object value) { 50 throw new IllegalArgumentException("Unknown parameter " + parameterKey 51 + " for IdentityEffect!"); 52 } 53 54 @Override 55 public void release() { 56 } 57} 58 59