| /* |
| * Copyright 2014 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| package org.webrtc; |
| |
| import org.webrtc.VideoRenderer.I420Frame; |
| |
| import android.annotation.SuppressLint; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.opengl.EGL14; |
| import android.opengl.GLES20; |
| import android.opengl.GLSurfaceView; |
| |
| import java.util.ArrayList; |
| import java.util.concurrent.CountDownLatch; |
| |
| import javax.microedition.khronos.egl.EGL10; |
| import javax.microedition.khronos.egl.EGLConfig; |
| import javax.microedition.khronos.egl.EGLContext; |
| import javax.microedition.khronos.opengles.GL10; |
| |
| /** |
| * Efficiently renders YUV frames using the GPU for CSC. |
| * Clients will want first to call setView() to pass GLSurfaceView |
| * and then for each video stream either create instance of VideoRenderer using |
| * createGui() call or VideoRenderer.Callbacks interface using create() call. |
| * Only one instance of the class can be created. |
| */ |
| public class VideoRendererGui implements GLSurfaceView.Renderer { |
| // |instance|, |instance.surface|, |eglContext|, and |eglContextReady| are synchronized on |
| // |VideoRendererGui.class|. |
| private static VideoRendererGui instance = null; |
| private static Runnable eglContextReady = null; |
| private static final String TAG = "VideoRendererGui"; |
| private GLSurfaceView surface; |
| private static EglBase.Context eglContext = null; |
| // Indicates if SurfaceView.Renderer.onSurfaceCreated was called. |
| // If true then for every newly created yuv image renderer createTexture() |
| // should be called. The variable is accessed on multiple threads and |
| // all accesses are synchronized on yuvImageRenderers' object lock. |
| private boolean onSurfaceCreatedCalled; |
| private int screenWidth; |
| private int screenHeight; |
| // List of yuv renderers. |
| private final ArrayList<YuvImageRenderer> yuvImageRenderers; |
| // Render and draw threads. |
| private static Thread renderFrameThread; |
| private static Thread drawThread; |
| |
| private VideoRendererGui(GLSurfaceView surface) { |
| this.surface = surface; |
| // Create an OpenGL ES 2.0 context. |
| surface.setPreserveEGLContextOnPause(true); |
| surface.setEGLContextClientVersion(2); |
| surface.setRenderer(this); |
| surface.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY); |
| |
| yuvImageRenderers = new ArrayList<YuvImageRenderer>(); |
| } |
| |
| /** |
| * Class used to display stream of YUV420 frames at particular location |
| * on a screen. New video frames are sent to display using renderFrame() |
| * call. |
| */ |
| private static class YuvImageRenderer implements VideoRenderer.Callbacks { |
| // |surface| is synchronized on |this|. |
| private GLSurfaceView surface; |
| private int id; |
| // TODO(magjed): Delete GL resources in release(). Must be synchronized with draw(). We are |
| // currently leaking resources to avoid a rare crash in release() where the EGLContext has |
| // become invalid beforehand. |
| private int[] yuvTextures = {0, 0, 0}; |
| private final RendererCommon.YuvUploader yuvUploader = new RendererCommon.YuvUploader(); |
| private final RendererCommon.GlDrawer drawer; |
| // Resources for making a deep copy of incoming OES texture frame. |
| private GlTextureFrameBuffer textureCopy; |
| |
| // Pending frame to render. Serves as a queue with size 1. |pendingFrame| is accessed by two |
| // threads - frames are received in renderFrame() and consumed in draw(). Frames are dropped in |
| // renderFrame() if the previous frame has not been rendered yet. |
| private I420Frame pendingFrame; |
| private final Object pendingFrameLock = new Object(); |
| // Type of video frame used for recent frame rendering. |
| private static enum RendererType { RENDERER_YUV, RENDERER_TEXTURE } |
| |
| private RendererType rendererType; |
| private RendererCommon.ScalingType scalingType; |
| private boolean mirror; |
| private RendererCommon.RendererEvents rendererEvents; |
| // Flag if renderFrame() was ever called. |
| boolean seenFrame; |
| // Total number of video frames received in renderFrame() call. |
| private int framesReceived; |
| // Number of video frames dropped by renderFrame() because previous |
| // frame has not been rendered yet. |
| private int framesDropped; |
| // Number of rendered video frames. |
| private int framesRendered; |
| // Time in ns when the first video frame was rendered. |
| private long startTimeNs = -1; |
| // Time in ns spent in draw() function. |
| private long drawTimeNs; |
| // Time in ns spent in draw() copying resources from |pendingFrame| - including uploading frame |
| // data to rendering planes. |
| private long copyTimeNs; |
| // The allowed view area in percentage of screen size. |
| private final Rect layoutInPercentage; |
| // The actual view area in pixels. It is a centered subrectangle of the rectangle defined by |
| // |layoutInPercentage|. |
| private final Rect displayLayout = new Rect(); |
| // Cached layout transformation matrix, calculated from current layout parameters. |
| private float[] layoutMatrix; |
| // Flag if layout transformation matrix update is needed. |
| private boolean updateLayoutProperties; |
| // Layout properties update lock. Guards |updateLayoutProperties|, |screenWidth|, |
| // |screenHeight|, |videoWidth|, |videoHeight|, |rotationDegree|, |scalingType|, and |mirror|. |
| private final Object updateLayoutLock = new Object(); |
| // Texture sampling matrix. |
| private float[] rotatedSamplingMatrix; |
| // Viewport dimensions. |
| private int screenWidth; |
| private int screenHeight; |
| // Video dimension. |
| private int videoWidth; |
| private int videoHeight; |
| |
| // This is the degree that the frame should be rotated clockwisely to have |
| // it rendered up right. |
| private int rotationDegree; |
| |
| private YuvImageRenderer(GLSurfaceView surface, int id, int x, int y, int width, int height, |
| RendererCommon.ScalingType scalingType, boolean mirror, RendererCommon.GlDrawer drawer) { |
| Logging.d(TAG, "YuvImageRenderer.Create id: " + id); |
| this.surface = surface; |
| this.id = id; |
| this.scalingType = scalingType; |
| this.mirror = mirror; |
| this.drawer = drawer; |
| layoutInPercentage = new Rect(x, y, Math.min(100, x + width), Math.min(100, y + height)); |
| updateLayoutProperties = false; |
| rotationDegree = 0; |
| } |
| |
| public synchronized void reset() { |
| seenFrame = false; |
| } |
| |
| private synchronized void release() { |
| surface = null; |
| drawer.release(); |
| synchronized (pendingFrameLock) { |
| if (pendingFrame != null) { |
| VideoRenderer.renderFrameDone(pendingFrame); |
| pendingFrame = null; |
| } |
| } |
| } |
| |
| private void createTextures() { |
| Logging.d(TAG, " YuvImageRenderer.createTextures " + id + " on GL thread:" |
| + Thread.currentThread().getId()); |
| |
| // Generate 3 texture ids for Y/U/V and place them into |yuvTextures|. |
| for (int i = 0; i < 3; i++) { |
| yuvTextures[i] = GlUtil.generateTexture(GLES20.GL_TEXTURE_2D); |
| } |
| // Generate texture and framebuffer for offscreen texture copy. |
| textureCopy = new GlTextureFrameBuffer(GLES20.GL_RGB); |
| } |
| |
| private void updateLayoutMatrix() { |
| synchronized (updateLayoutLock) { |
| if (!updateLayoutProperties) { |
| return; |
| } |
| // Initialize to maximum allowed area. Round to integer coordinates inwards the layout |
| // bounding box (ceil left/top and floor right/bottom) to not break constraints. |
| displayLayout.set((screenWidth * layoutInPercentage.left + 99) / 100, |
| (screenHeight * layoutInPercentage.top + 99) / 100, |
| (screenWidth * layoutInPercentage.right) / 100, |
| (screenHeight * layoutInPercentage.bottom) / 100); |
| Logging.d(TAG, "ID: " + id + ". AdjustTextureCoords. Allowed display size: " |
| + displayLayout.width() + " x " + displayLayout.height() + ". Video: " + videoWidth |
| + " x " + videoHeight + ". Rotation: " + rotationDegree + ". Mirror: " + mirror); |
| final float videoAspectRatio = (rotationDegree % 180 == 0) |
| ? (float) videoWidth / videoHeight |
| : (float) videoHeight / videoWidth; |
| // Adjust display size based on |scalingType|. |
| final Point displaySize = RendererCommon.getDisplaySize( |
| scalingType, videoAspectRatio, displayLayout.width(), displayLayout.height()); |
| displayLayout.inset((displayLayout.width() - displaySize.x) / 2, |
| (displayLayout.height() - displaySize.y) / 2); |
| Logging.d(TAG, |
| " Adjusted display size: " + displayLayout.width() + " x " + displayLayout.height()); |
| layoutMatrix = RendererCommon.getLayoutMatrix( |
| mirror, videoAspectRatio, (float) displayLayout.width() / displayLayout.height()); |
| updateLayoutProperties = false; |
| Logging.d(TAG, " AdjustTextureCoords done"); |
| } |
| } |
| |
| private void draw() { |
| if (!seenFrame) { |
| // No frame received yet - nothing to render. |
| return; |
| } |
| long now = System.nanoTime(); |
| |
| final boolean isNewFrame; |
| synchronized (pendingFrameLock) { |
| isNewFrame = (pendingFrame != null); |
| if (isNewFrame && startTimeNs == -1) { |
| startTimeNs = now; |
| } |
| |
| if (isNewFrame) { |
| rotatedSamplingMatrix = RendererCommon.rotateTextureMatrix( |
| pendingFrame.samplingMatrix, pendingFrame.rotationDegree); |
| if (pendingFrame.yuvFrame) { |
| rendererType = RendererType.RENDERER_YUV; |
| yuvUploader.uploadYuvData(yuvTextures, pendingFrame.width, pendingFrame.height, |
| pendingFrame.yuvStrides, pendingFrame.yuvPlanes); |
| } else { |
| rendererType = RendererType.RENDERER_TEXTURE; |
| // External texture rendering. Make a deep copy of the external texture. |
| // Reallocate offscreen texture if necessary. |
| textureCopy.setSize(pendingFrame.rotatedWidth(), pendingFrame.rotatedHeight()); |
| |
| // Bind our offscreen framebuffer. |
| GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, textureCopy.getFrameBufferId()); |
| GlUtil.checkNoGLES2Error("glBindFramebuffer"); |
| |
| // Copy the OES texture content. This will also normalize the sampling matrix. |
| drawer.drawOes(pendingFrame.textureId, rotatedSamplingMatrix, textureCopy.getWidth(), |
| textureCopy.getHeight(), 0, 0, textureCopy.getWidth(), textureCopy.getHeight()); |
| rotatedSamplingMatrix = RendererCommon.identityMatrix(); |
| |
| // Restore normal framebuffer. |
| GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0); |
| GLES20.glFinish(); |
| } |
| copyTimeNs += (System.nanoTime() - now); |
| VideoRenderer.renderFrameDone(pendingFrame); |
| pendingFrame = null; |
| } |
| } |
| |
| updateLayoutMatrix(); |
| final float[] texMatrix = |
| RendererCommon.multiplyMatrices(rotatedSamplingMatrix, layoutMatrix); |
| // OpenGL defaults to lower left origin - flip viewport position vertically. |
| final int viewportY = screenHeight - displayLayout.bottom; |
| if (rendererType == RendererType.RENDERER_YUV) { |
| drawer.drawYuv(yuvTextures, texMatrix, videoWidth, videoHeight, displayLayout.left, |
| viewportY, displayLayout.width(), displayLayout.height()); |
| } else { |
| drawer.drawRgb(textureCopy.getTextureId(), texMatrix, videoWidth, videoHeight, |
| displayLayout.left, viewportY, displayLayout.width(), displayLayout.height()); |
| } |
| |
| if (isNewFrame) { |
| framesRendered++; |
| drawTimeNs += (System.nanoTime() - now); |
| if ((framesRendered % 300) == 0) { |
| logStatistics(); |
| } |
| } |
| } |
| |
| private void logStatistics() { |
| long timeSinceFirstFrameNs = System.nanoTime() - startTimeNs; |
| Logging.d(TAG, "ID: " + id + ". Type: " + rendererType + ". Frames received: " |
| + framesReceived + ". Dropped: " + framesDropped + ". Rendered: " + framesRendered); |
| if (framesReceived > 0 && framesRendered > 0) { |
| Logging.d(TAG, "Duration: " + (int) (timeSinceFirstFrameNs / 1e6) + " ms. FPS: " |
| + framesRendered * 1e9 / timeSinceFirstFrameNs); |
| Logging.d(TAG, "Draw time: " + (int) (drawTimeNs / (1000 * framesRendered)) |
| + " us. Copy time: " + (int) (copyTimeNs / (1000 * framesReceived)) + " us"); |
| } |
| } |
| |
| public void setScreenSize(final int screenWidth, final int screenHeight) { |
| synchronized (updateLayoutLock) { |
| if (screenWidth == this.screenWidth && screenHeight == this.screenHeight) { |
| return; |
| } |
| Logging.d(TAG, "ID: " + id + ". YuvImageRenderer.setScreenSize: " + screenWidth + " x " |
| + screenHeight); |
| this.screenWidth = screenWidth; |
| this.screenHeight = screenHeight; |
| updateLayoutProperties = true; |
| } |
| } |
| |
| public void setPosition(int x, int y, int width, int height, |
| RendererCommon.ScalingType scalingType, boolean mirror) { |
| final Rect layoutInPercentage = |
| new Rect(x, y, Math.min(100, x + width), Math.min(100, y + height)); |
| synchronized (updateLayoutLock) { |
| if (layoutInPercentage.equals(this.layoutInPercentage) && scalingType == this.scalingType |
| && mirror == this.mirror) { |
| return; |
| } |
| Logging.d(TAG, "ID: " + id + ". YuvImageRenderer.setPosition: (" + x + ", " + y + ") " |
| + width + " x " + height + ". Scaling: " + scalingType + ". Mirror: " + mirror); |
| this.layoutInPercentage.set(layoutInPercentage); |
| this.scalingType = scalingType; |
| this.mirror = mirror; |
| updateLayoutProperties = true; |
| } |
| } |
| |
| private void setSize(final int videoWidth, final int videoHeight, final int rotation) { |
| if (videoWidth == this.videoWidth && videoHeight == this.videoHeight |
| && rotation == rotationDegree) { |
| return; |
| } |
| if (rendererEvents != null) { |
| Logging.d(TAG, "ID: " + id + ". Reporting frame resolution changed to " + videoWidth + " x " |
| + videoHeight); |
| rendererEvents.onFrameResolutionChanged(videoWidth, videoHeight, rotation); |
| } |
| |
| synchronized (updateLayoutLock) { |
| Logging.d(TAG, "ID: " + id + ". YuvImageRenderer.setSize: " + videoWidth + " x " |
| + videoHeight + " rotation " + rotation); |
| |
| this.videoWidth = videoWidth; |
| this.videoHeight = videoHeight; |
| rotationDegree = rotation; |
| updateLayoutProperties = true; |
| Logging.d(TAG, " YuvImageRenderer.setSize done."); |
| } |
| } |
| |
| @Override |
| public synchronized void renderFrame(I420Frame frame) { |
| if (surface == null) { |
| // This object has been released. |
| VideoRenderer.renderFrameDone(frame); |
| return; |
| } |
| if (renderFrameThread == null) { |
| renderFrameThread = Thread.currentThread(); |
| } |
| if (!seenFrame && rendererEvents != null) { |
| Logging.d(TAG, "ID: " + id + ". Reporting first rendered frame."); |
| rendererEvents.onFirstFrameRendered(); |
| } |
| framesReceived++; |
| synchronized (pendingFrameLock) { |
| // Check input frame parameters. |
| if (frame.yuvFrame) { |
| if (frame.yuvStrides[0] < frame.width || frame.yuvStrides[1] < frame.width / 2 |
| || frame.yuvStrides[2] < frame.width / 2) { |
| Logging.e(TAG, "Incorrect strides " + frame.yuvStrides[0] + ", " + frame.yuvStrides[1] |
| + ", " + frame.yuvStrides[2]); |
| VideoRenderer.renderFrameDone(frame); |
| return; |
| } |
| } |
| |
| if (pendingFrame != null) { |
| // Skip rendering of this frame if previous frame was not rendered yet. |
| framesDropped++; |
| VideoRenderer.renderFrameDone(frame); |
| seenFrame = true; |
| return; |
| } |
| pendingFrame = frame; |
| } |
| setSize(frame.width, frame.height, frame.rotationDegree); |
| seenFrame = true; |
| |
| // Request rendering. |
| surface.requestRender(); |
| } |
| } |
| |
| /** Passes GLSurfaceView to video renderer. */ |
| public static synchronized void setView(GLSurfaceView surface, Runnable eglContextReadyCallback) { |
| Logging.d(TAG, "VideoRendererGui.setView"); |
| instance = new VideoRendererGui(surface); |
| eglContextReady = eglContextReadyCallback; |
| } |
| |
| public static synchronized EglBase.Context getEglBaseContext() { |
| return eglContext; |
| } |
| |
| /** Releases GLSurfaceView video renderer. */ |
| public static synchronized void dispose() { |
| if (instance == null) { |
| return; |
| } |
| Logging.d(TAG, "VideoRendererGui.dispose"); |
| synchronized (instance.yuvImageRenderers) { |
| for (YuvImageRenderer yuvImageRenderer : instance.yuvImageRenderers) { |
| yuvImageRenderer.release(); |
| } |
| instance.yuvImageRenderers.clear(); |
| } |
| renderFrameThread = null; |
| drawThread = null; |
| instance.surface = null; |
| eglContext = null; |
| eglContextReady = null; |
| instance = null; |
| } |
| |
| /** |
| * Creates VideoRenderer with top left corner at (x, y) and resolution |
| * (width, height). All parameters are in percentage of screen resolution. |
| */ |
| public static VideoRenderer createGui(int x, int y, int width, int height, |
| RendererCommon.ScalingType scalingType, boolean mirror) throws Exception { |
| YuvImageRenderer javaGuiRenderer = create(x, y, width, height, scalingType, mirror); |
| return new VideoRenderer(javaGuiRenderer); |
| } |
| |
| public static VideoRenderer.Callbacks createGuiRenderer( |
| int x, int y, int width, int height, RendererCommon.ScalingType scalingType, boolean mirror) { |
| return create(x, y, width, height, scalingType, mirror); |
| } |
| |
| /** |
| * Creates VideoRenderer.Callbacks with top left corner at (x, y) and |
| * resolution (width, height). All parameters are in percentage of |
| * screen resolution. |
| */ |
| public static synchronized YuvImageRenderer create( |
| int x, int y, int width, int height, RendererCommon.ScalingType scalingType, boolean mirror) { |
| return create(x, y, width, height, scalingType, mirror, new GlRectDrawer()); |
| } |
| |
| /** |
| * Creates VideoRenderer.Callbacks with top left corner at (x, y) and resolution (width, height). |
| * All parameters are in percentage of screen resolution. The custom |drawer| will be used for |
| * drawing frames on the EGLSurface. This class is responsible for calling release() on |drawer|. |
| */ |
| public static synchronized YuvImageRenderer create(int x, int y, int width, int height, |
| RendererCommon.ScalingType scalingType, boolean mirror, RendererCommon.GlDrawer drawer) { |
| // Check display region parameters. |
| if (x < 0 || x > 100 || y < 0 || y > 100 || width < 0 || width > 100 || height < 0 |
| || height > 100 || x + width > 100 || y + height > 100) { |
| throw new RuntimeException("Incorrect window parameters."); |
| } |
| |
| if (instance == null) { |
| throw new RuntimeException("Attempt to create yuv renderer before setting GLSurfaceView"); |
| } |
| final YuvImageRenderer yuvImageRenderer = new YuvImageRenderer(instance.surface, |
| instance.yuvImageRenderers.size(), x, y, width, height, scalingType, mirror, drawer); |
| synchronized (instance.yuvImageRenderers) { |
| if (instance.onSurfaceCreatedCalled) { |
| // onSurfaceCreated has already been called for VideoRendererGui - |
| // need to create texture for new image and add image to the |
| // rendering list. |
| final CountDownLatch countDownLatch = new CountDownLatch(1); |
| instance.surface.queueEvent(new Runnable() { |
| @Override |
| public void run() { |
| yuvImageRenderer.createTextures(); |
| yuvImageRenderer.setScreenSize(instance.screenWidth, instance.screenHeight); |
| countDownLatch.countDown(); |
| } |
| }); |
| // Wait for task completion. |
| try { |
| countDownLatch.await(); |
| } catch (InterruptedException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| // Add yuv renderer to rendering list. |
| instance.yuvImageRenderers.add(yuvImageRenderer); |
| } |
| return yuvImageRenderer; |
| } |
| |
| public static synchronized void update(VideoRenderer.Callbacks renderer, int x, int y, int width, |
| int height, RendererCommon.ScalingType scalingType, boolean mirror) { |
| Logging.d(TAG, "VideoRendererGui.update"); |
| if (instance == null) { |
| throw new RuntimeException("Attempt to update yuv renderer before setting GLSurfaceView"); |
| } |
| synchronized (instance.yuvImageRenderers) { |
| for (YuvImageRenderer yuvImageRenderer : instance.yuvImageRenderers) { |
| if (yuvImageRenderer == renderer) { |
| yuvImageRenderer.setPosition(x, y, width, height, scalingType, mirror); |
| } |
| } |
| } |
| } |
| |
| public static synchronized void setRendererEvents( |
| VideoRenderer.Callbacks renderer, RendererCommon.RendererEvents rendererEvents) { |
| Logging.d(TAG, "VideoRendererGui.setRendererEvents"); |
| if (instance == null) { |
| throw new RuntimeException("Attempt to set renderer events before setting GLSurfaceView"); |
| } |
| synchronized (instance.yuvImageRenderers) { |
| for (YuvImageRenderer yuvImageRenderer : instance.yuvImageRenderers) { |
| if (yuvImageRenderer == renderer) { |
| yuvImageRenderer.rendererEvents = rendererEvents; |
| } |
| } |
| } |
| } |
| |
| public static synchronized void remove(VideoRenderer.Callbacks renderer) { |
| Logging.d(TAG, "VideoRendererGui.remove"); |
| if (instance == null) { |
| throw new RuntimeException("Attempt to remove renderer before setting GLSurfaceView"); |
| } |
| synchronized (instance.yuvImageRenderers) { |
| final int index = instance.yuvImageRenderers.indexOf(renderer); |
| if (index == -1) { |
| Logging.w(TAG, "Couldn't remove renderer (not present in current list)"); |
| } else { |
| instance.yuvImageRenderers.remove(index).release(); |
| } |
| } |
| } |
| |
| public static synchronized void reset(VideoRenderer.Callbacks renderer) { |
| Logging.d(TAG, "VideoRendererGui.reset"); |
| if (instance == null) { |
| throw new RuntimeException("Attempt to reset renderer before setting GLSurfaceView"); |
| } |
| synchronized (instance.yuvImageRenderers) { |
| for (YuvImageRenderer yuvImageRenderer : instance.yuvImageRenderers) { |
| if (yuvImageRenderer == renderer) { |
| yuvImageRenderer.reset(); |
| } |
| } |
| } |
| } |
| |
| private static void printStackTrace(Thread thread, String threadName) { |
| if (thread != null) { |
| StackTraceElement[] stackTraces = thread.getStackTrace(); |
| if (stackTraces.length > 0) { |
| Logging.d(TAG, threadName + " stacks trace:"); |
| for (StackTraceElement stackTrace : stackTraces) { |
| Logging.d(TAG, stackTrace.toString()); |
| } |
| } |
| } |
| } |
| |
| public static synchronized void printStackTraces() { |
| if (instance == null) { |
| return; |
| } |
| printStackTrace(renderFrameThread, "Render frame thread"); |
| printStackTrace(drawThread, "Draw thread"); |
| } |
| |
| @SuppressLint("NewApi") |
| @Override |
| public void onSurfaceCreated(GL10 unused, EGLConfig config) { |
| Logging.d(TAG, "VideoRendererGui.onSurfaceCreated"); |
| // Store render EGL context. |
| synchronized (VideoRendererGui.class) { |
| if (EglBase14.isEGL14Supported()) { |
| eglContext = new EglBase14.Context(EGL14.eglGetCurrentContext()); |
| } else { |
| eglContext = new EglBase10.Context(((EGL10) EGLContext.getEGL()).eglGetCurrentContext()); |
| } |
| |
| Logging.d(TAG, "VideoRendererGui EGL Context: " + eglContext); |
| } |
| |
| synchronized (yuvImageRenderers) { |
| // Create textures for all images. |
| for (YuvImageRenderer yuvImageRenderer : yuvImageRenderers) { |
| yuvImageRenderer.createTextures(); |
| } |
| onSurfaceCreatedCalled = true; |
| } |
| GlUtil.checkNoGLES2Error("onSurfaceCreated done"); |
| GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, 1); |
| GLES20.glClearColor(0.15f, 0.15f, 0.15f, 1.0f); |
| |
| // Fire EGL context ready event. |
| synchronized (VideoRendererGui.class) { |
| if (eglContextReady != null) { |
| eglContextReady.run(); |
| } |
| } |
| } |
| |
| @Override |
| public void onSurfaceChanged(GL10 unused, int width, int height) { |
| Logging.d(TAG, "VideoRendererGui.onSurfaceChanged: " + width + " x " + height + " "); |
| screenWidth = width; |
| screenHeight = height; |
| synchronized (yuvImageRenderers) { |
| for (YuvImageRenderer yuvImageRenderer : yuvImageRenderers) { |
| yuvImageRenderer.setScreenSize(screenWidth, screenHeight); |
| } |
| } |
| } |
| |
| @Override |
| public void onDrawFrame(GL10 unused) { |
| if (drawThread == null) { |
| drawThread = Thread.currentThread(); |
| } |
| GLES20.glViewport(0, 0, screenWidth, screenHeight); |
| GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT); |
| synchronized (yuvImageRenderers) { |
| for (YuvImageRenderer yuvImageRenderer : yuvImageRenderers) { |
| yuvImageRenderer.draw(); |
| } |
| } |
| } |
| } |
