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.filterpacks.imageproc; 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterContext; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFieldPort; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Program; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.graphics.Bitmap; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class BitmapOverlayFilter extends Filter { 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "bitmap") 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Bitmap mBitmap; 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "tile_size", hasDefault = true) 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTileSize = 640; 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Program mProgram; 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Frame mFrame; 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTarget = FrameFormat.TARGET_UNSPECIFIED; 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final String mOverlayShader = 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "precision mediump float;\n" + 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "uniform sampler2D tex_sampler_0;\n" + 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "uniform sampler2D tex_sampler_1;\n" + 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "varying vec2 v_texcoord;\n" + 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "void main() {\n" + 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " vec4 original = texture2D(tex_sampler_0, v_texcoord);\n" + 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " vec4 mask = texture2D(tex_sampler_1, v_texcoord);\n" + 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " gl_FragColor = vec4(original.rgb * (1.0 - mask.a) + mask.rgb, 1.0);\n" + 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "}\n"; 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public BitmapOverlayFilter(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 public void initProgram(FilterContext context, int target) { 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (target) { 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_GPU: 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ShaderProgram shaderProgram = new ShaderProgram(context, mOverlayShader); 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn shaderProgram.setMaximumTileSize(mTileSize); 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = shaderProgram; 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn default: 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Filter FisheyeFilter does not support frames of " + 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "target " + target + "!"); 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTarget = target; 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void tearDown(FilterContext context) { 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mFrame != null) { 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrame.release(); 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrame = null; 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("image"); 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat inputFormat = input.getFormat(); 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create output frame 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame output = context.getFrameManager().newFrame(inputFormat); 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create program if not created already 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mProgram == null || inputFormat.getTarget() != mTarget) { 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn initProgram(context, inputFormat.getTarget()); 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 108a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin if (mBitmap != null) { 109a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin Frame frame = createBitmapFrame(context); 110a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin // Process 111a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin Frame[] inputs = {input, frame}; 112a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mProgram.process(inputs, output); 113a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin 114a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin frame.release(); 115a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin } else { 116a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin output.setDataFromFrame(input); 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Push output 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("image", output); 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release pushed frame 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.release(); 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 126a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin private Frame createBitmapFrame(FilterContext context) { 127a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin FrameFormat format = ImageFormat.create(mBitmap.getWidth(), 128a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mBitmap.getHeight(), 129a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin ImageFormat.COLORSPACE_RGBA, 130a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin FrameFormat.TARGET_GPU); 13165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 132a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin Frame frame = context.getFrameManager().newFrame(format); 133a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin frame.setBitmap(mBitmap); 13465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 135a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mBitmap.recycle(); 136a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mBitmap = null; 13765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 138a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin return frame; 13965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 14065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 141