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.Program; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport java.lang.reflect.Field; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic abstract class SimpleImageFilter extends Filter { 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn protected int mCurrentTarget = FrameFormat.TARGET_UNSPECIFIED; 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn protected Program mProgram; 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn protected String mParameterName; 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public SimpleImageFilter(String name, String parameterName) { 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mParameterName = parameterName; 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mParameterName != null) { 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn try { 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Field programField = SimpleImageFilter.class.getDeclaredField("mProgram"); 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addProgramPort(mParameterName, mParameterName, programField, float.class, false); 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } catch (NoSuchFieldException e) { 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Internal Error: mProgram field not found!"); 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addOutputBasedOnInput("image", "image"); 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) { 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return inputFormat; 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("image"); 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat inputFormat = input.getFormat(); 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create output frame 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame output = context.getFrameManager().newFrame(inputFormat); 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create program if not created already 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateProgramWithTarget(inputFormat.getTarget(), context); 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Process 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(input, output); 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Push output 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("image", output); 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release pushed frame 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.release(); 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn protected void updateProgramWithTarget(int target, FilterContext context) { 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (target != mCurrentTarget) { 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (target) { 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_NATIVE: 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = getNativeProgram(context); 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_GPU: 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = getShaderProgram(context); 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn default: 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = null; 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mProgram == null) { 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Could not create a program for image filter " + this + "!"); 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn initProgramInputs(mProgram, context); 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mCurrentTarget = target; 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn protected abstract Program getNativeProgram(FilterContext context); 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn protected abstract Program getShaderProgram(FilterContext context); 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 111