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.imageproc; 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.GLFrame; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.KeyValueMap; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.MutableFrameFormat; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeProgram; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeFrame; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Program; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.opengl.GLES20; 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class ResizeFilter extends Filter { 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "owidth") 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mOWidth; 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "oheight") 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mOHeight; 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "keepAspectRatio", hasDefault = true) 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private boolean mKeepAspectRatio = false; 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "generateMipMap", hasDefault = true) 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private boolean mGenerateMipMap = false; 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Program mProgram; 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private FrameFormat mLastFormat = null; 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private MutableFrameFormat mOutputFormat; 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mInputChannels; 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public ResizeFilter(String name) { 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addOutputBasedOnInput("image", "image"); 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) { 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return inputFormat; 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn protected void createProgram(FilterContext context, FrameFormat format) { 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLastFormat != null && mLastFormat.getTarget() == format.getTarget()) return; 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mLastFormat = format; 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (format.getTarget()) { 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_NATIVE: 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Native ResizeFilter not implemented yet!"); 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_GPU: 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ShaderProgram prog = ShaderProgram.createIdentity(context); 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = prog; 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn default: 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("ResizeFilter could not create suitable program!"); 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext env) { 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("image"); 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn createProgram(env, input.getFormat()); 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create output frame 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn MutableFrameFormat outputFormat = input.getFormat().mutableCopy(); 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mKeepAspectRatio) { 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat inputFormat = input.getFormat(); 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mOHeight = mOWidth * inputFormat.getHeight() / inputFormat.getWidth(); 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn outputFormat.setDimensions(mOWidth, mOHeight); 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame output = env.getFrameManager().newFrame(outputFormat); 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Process 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mGenerateMipMap) { 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn GLFrame mipmapped = (GLFrame)env.getFrameManager().newFrame(input.getFormat()); 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mipmapped.setTextureParameter(GLES20.GL_TEXTURE_MIN_FILTER, 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn GLES20.GL_LINEAR_MIPMAP_NEAREST); 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mipmapped.setDataFromFrame(input); 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mipmapped.generateMipMap(); 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(mipmapped, output); 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mipmapped.release(); 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(input, output); 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Push output 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("image", output); 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release pushed frame 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.release(); 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 125