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.ui; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterContext; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterSurfaceView; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFieldPort; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFinalPort; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GLEnvironment; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GLFrame; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.MutableFrameFormat; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.view.SurfaceHolder; 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.util.Log; 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class SurfaceRenderFilter extends Filter implements SurfaceHolder.Callback { 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_STRETCH = 0; 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_FIT = 1; 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_FILL_CROP = 2; 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Required. Sets the destination filter surface view for this 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * node. 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFinalPort(name = "surfaceView") 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private FilterSurfaceView mSurfaceView; 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Optional. Control how the incoming frames are rendered onto the 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * output. Default is FIT. 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_STRETCH: Just fill the output surfaceView. 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_FIT: Keep aspect ratio and fit without cropping. May 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * have black bars. 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_FILL_CROP: Keep aspect ratio and fit without black 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * bars. May crop. 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "renderMode", hasDefault = true) 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private String mRenderModeString; 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private boolean mIsBound = false; 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private ShaderProgram mProgram; 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private GLFrame mScreen; 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mRenderMode = RENDERMODE_FIT; 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private float mAspectRatio = 1.f; 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mScreenWidth; 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mScreenHeight; 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private boolean mLogVerbose; 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private static final String TAG = "SurfaceRenderFilter"; 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public SurfaceRenderFilter(String name) { 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mLogVerbose = Log.isLoggable(TAG, Log.VERBOSE); 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Make sure we have a SurfaceView 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mSurfaceView == null) { 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("NULL SurfaceView passed to SurfaceRenderFilter"); 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Add input port 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("frame", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void updateRenderMode() { 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mRenderModeString != null) { 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mRenderModeString.equals("stretch")) { 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_STRETCH; 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (mRenderModeString.equals("fit")) { 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_FIT; 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (mRenderModeString.equals("fill_crop")) { 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_FILL_CROP; 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Unknown render mode '" + mRenderModeString + "'!"); 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void prepare(FilterContext context) { 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create identity shader to render, and make sure to render upside-down, as textures 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // are stored internally bottom-to-top. 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = ShaderProgram.createIdentity(context); 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setSourceRect(0, 1, 1, -1); 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setClearsOutput(true); 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setClearColor(0.0f, 0.0f, 0.0f); 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateRenderMode(); 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create a frame representing the screen 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn MutableFrameFormat screenFormat = ImageFormat.create(mSurfaceView.getWidth(), 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mSurfaceView.getHeight(), 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ImageFormat.COLORSPACE_RGBA, 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_GPU); 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen = (GLFrame)context.getFrameManager().newBoundFrame(screenFormat, 12565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn GLFrame.EXISTING_FBO_BINDING, 12665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 0); 12765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 13065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void open(FilterContext context) { 13165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Bind surface view to us. This will emit a surfaceCreated and surfaceChanged call that 13265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // will update our screen width and height. 13365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mSurfaceView.unbind(); 13465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mSurfaceView.bindToListener(this, context.getGLEnvironment()); 13565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 13665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 13765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 13865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 13965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Make sure we are bound to a surface before rendering 14065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (!mIsBound) { 14165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Log.w("SurfaceRenderFilter", 14265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn this + ": Ignoring frame as there is no surface to render to!"); 14365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return; 14465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 14565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 14665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v(TAG, "Starting frame processing"); 14765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 14865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn GLEnvironment glEnv = mSurfaceView.getGLEnv(); 14965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (glEnv != context.getGLEnvironment()) { 15065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Surface created under different GLEnvironment!"); 15165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 15265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 15565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("frame"); 15665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn boolean createdFrame = false; 15765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float currentAspectRatio = (float)input.getFormat().getWidth() / input.getFormat().getHeight(); 15965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (currentAspectRatio != mAspectRatio) { 16065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v(TAG, "New aspect ratio: " + currentAspectRatio +", previously: " + mAspectRatio); 16165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mAspectRatio = currentAspectRatio; 16265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 16365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 16465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 16565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // See if we need to copy to GPU 16665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame gpuFrame = null; 16765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v("SurfaceRenderFilter", "Got input format: " + input.getFormat()); 16865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int target = input.getFormat().getTarget(); 16965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (target != FrameFormat.TARGET_GPU) { 17065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame = context.getFrameManager().duplicateFrameToTarget(input, 17165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_GPU); 17265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn createdFrame = true; 17365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 17465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame = input; 17565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 17665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 17765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Activate our surface 17865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn glEnv.activateSurfaceWithId(mSurfaceView.getSurfaceId()); 17965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Process 18165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(gpuFrame, mScreen); 18265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // And swap buffers 18465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn glEnv.swapBuffers(); 18565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (createdFrame) { 18765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame.release(); 18865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 18965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 19065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 19165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 19265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void fieldPortValueUpdated(String name, FilterContext context) { 19365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 19465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 19565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 19665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 19765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void close(FilterContext context) { 19865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mSurfaceView.unbind(); 19965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 20065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 20165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 20265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void tearDown(FilterContext context) { 20365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mScreen != null) { 20465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen.release(); 20565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 20665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 20765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 20865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 20965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public synchronized void surfaceCreated(SurfaceHolder holder) { 21065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mIsBound = true; 21165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 21265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 21365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 21465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public synchronized void surfaceChanged(SurfaceHolder holder, 21565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int format, 21665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int width, 21765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int height) { 21865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // If the screen is null, we do not care about surface changes (yet). Once we have a 21965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // screen object, we need to keep track of these changes. 22065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mScreen != null) { 22165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreenWidth = width; 22265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreenHeight = height; 22365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen.setViewport(0, 0, mScreenWidth, mScreenHeight); 22465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 22565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 22665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 22765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 22865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 22965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public synchronized void surfaceDestroyed(SurfaceHolder holder) { 23065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mIsBound = false; 23165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 23265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 23365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void updateTargetRect() { 23465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mScreenWidth > 0 && mScreenHeight > 0 && mProgram != null) { 23565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float screenAspectRatio = (float)mScreenWidth / mScreenHeight; 23665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float relativeAspectRatio = screenAspectRatio / mAspectRatio; 23765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 23865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (mRenderMode) { 23965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_STRETCH: 24065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0, 0, 1, 1); 24165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 24265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_FIT: 24365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (relativeAspectRatio > 1.0f) { 24465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is wider than the camera, scale down X 24565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.5f - 0.5f / relativeAspectRatio, 0.0f, 24665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f / relativeAspectRatio, 1.0f); 24765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 24865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is taller than the camera, scale down Y 24965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.0f, 0.5f - 0.5f * relativeAspectRatio, 25065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f, relativeAspectRatio); 25165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 25265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 25365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_FILL_CROP: 25465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (relativeAspectRatio > 1) { 25565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is wider than the camera, crop in Y 25665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.0f, 0.5f - 0.5f * relativeAspectRatio, 25765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f, relativeAspectRatio); 25865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 25965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is taller than the camera, crop in X 26065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.5f - 0.5f / relativeAspectRatio, 0.0f, 26165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f / relativeAspectRatio, 1.0f); 26265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 26365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 26465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 26565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 26665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 26765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 268