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.KeyValueMap; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeProgram; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeFrame; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Program; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterpacks.imageproc.ImageCombineFilter; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.graphics.Bitmap; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.util.Log; 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class BitmapOverlayFilter extends Filter { 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "bitmap") 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Bitmap mBitmap; 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "tile_size", hasDefault = true) 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTileSize = 640; 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Program mProgram; 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Frame mFrame; 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTarget = FrameFormat.TARGET_UNSPECIFIED; 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final String mOverlayShader = 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "precision mediump float;\n" + 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "uniform sampler2D tex_sampler_0;\n" + 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "uniform sampler2D tex_sampler_1;\n" + 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "varying vec2 v_texcoord;\n" + 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "void main() {\n" + 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " vec4 original = texture2D(tex_sampler_0, v_texcoord);\n" + 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " vec4 mask = texture2D(tex_sampler_1, v_texcoord);\n" + 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " gl_FragColor = vec4(original.rgb * (1.0 - mask.a) + mask.rgb, 1.0);\n" + 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "}\n"; 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public BitmapOverlayFilter(String name) { 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addOutputBasedOnInput("image", "image"); 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) { 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return inputFormat; 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void initProgram(FilterContext context, int target) { 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (target) { 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_GPU: 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ShaderProgram shaderProgram = new ShaderProgram(context, mOverlayShader); 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn shaderProgram.setMaximumTileSize(mTileSize); 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = shaderProgram; 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn default: 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Filter FisheyeFilter does not support frames of " + 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "target " + target + "!"); 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTarget = target; 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void tearDown(FilterContext context) { 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mFrame != null) { 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrame.release(); 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mFrame = null; 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("image"); 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat inputFormat = input.getFormat(); 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create output frame 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame output = context.getFrameManager().newFrame(inputFormat); 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create program if not created already 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mProgram == null || inputFormat.getTarget() != mTarget) { 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn initProgram(context, inputFormat.getTarget()); 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 114a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin if (mBitmap != null) { 115a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin Frame frame = createBitmapFrame(context); 116a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin // Process 117a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin Frame[] inputs = {input, frame}; 118a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mProgram.process(inputs, output); 119a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin 120a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin frame.release(); 121a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin } else { 122a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin output.setDataFromFrame(input); 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Push output 12665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("image", output); 12765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release pushed frame 12965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.release(); 13065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 13165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 132a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin private Frame createBitmapFrame(FilterContext context) { 133a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin FrameFormat format = ImageFormat.create(mBitmap.getWidth(), 134a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mBitmap.getHeight(), 135a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin ImageFormat.COLORSPACE_RGBA, 136a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin FrameFormat.TARGET_GPU); 13765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 138a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin Frame frame = context.getFrameManager().newFrame(format); 139a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin frame.setBitmap(mBitmap); 14065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 141a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mBitmap.recycle(); 142a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin mBitmap = null; 14365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 144a75c7bbc633a6ebd35a0651be5c7a79b83d0c5c0Ruei-sung Lin return frame; 14565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 14665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 147