| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.media.effect; |
| |
| import android.filterfw.core.Frame; |
| import android.media.effect.EffectContext; |
| |
| /** |
| * Effect subclass for effects based on a single Filter with output size differnet |
| * from input. Subclasses need only invoke the constructor with the correct arguments |
| * to obtain an Effect implementation. |
| * |
| * @hide |
| */ |
| public class SizeChangeEffect extends SingleFilterEffect { |
| |
| public SizeChangeEffect(EffectContext context, |
| String name, |
| Class filterClass, |
| String inputName, |
| String outputName, |
| Object... finalParameters) { |
| super(context, name, filterClass, inputName, outputName, finalParameters); |
| } |
| |
| @Override |
| public void apply(int inputTexId, int width, int height, int outputTexId) { |
| beginGLEffect(); |
| |
| Frame inputFrame = frameFromTexture(inputTexId, width, height); |
| Frame resultFrame = mFunction.executeWithArgList(mInputName, inputFrame); |
| |
| int outputWidth = resultFrame.getFormat().getWidth(); |
| int outputHeight = resultFrame.getFormat().getHeight(); |
| |
| Frame outputFrame = frameFromTexture(outputTexId, outputWidth, outputHeight); |
| outputFrame.setDataFromFrame(resultFrame); |
| |
| inputFrame.release(); |
| outputFrame.release(); |
| resultFrame.release(); |
| |
| endGLEffect(); |
| } |
| } |