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Unified Diff: webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java

Issue 2547483003: Move /webrtc/api/android files to /webrtc/sdk/android (Closed)
Patch Set: Move to api folder under Android instead of src Created 4 years ago
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Index: webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java
diff --git a/webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java b/webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java
deleted file mode 100644
index 9d5fc4806a880a822616bb34d1fd973f3e685a86..0000000000000000000000000000000000000000
--- a/webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
- * Copyright 2015 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 android.content.Context;
-import android.content.res.Resources.NotFoundException;
-import android.graphics.Point;
-import android.util.AttributeSet;
-import android.view.SurfaceHolder;
-import android.view.SurfaceView;
-import java.util.concurrent.CountDownLatch;
-
-/**
- * Implements org.webrtc.VideoRenderer.Callbacks by displaying the video stream on a SurfaceView.
- * renderFrame() is asynchronous to avoid blocking the calling thread.
- * This class is thread safe and handles access from potentially four different threads:
- * Interaction from the main app in init, release, setMirror, and setScalingtype.
- * Interaction from C++ rtc::VideoSinkInterface in renderFrame.
- * Interaction from the Activity lifecycle in surfaceCreated, surfaceChanged, and surfaceDestroyed.
- * Interaction with the layout framework in onMeasure and onSizeChanged.
- */
-public class SurfaceViewRenderer
- extends SurfaceView implements SurfaceHolder.Callback, VideoRenderer.Callbacks {
- private static final String TAG = "SurfaceViewRenderer";
-
- // Cached resource name.
- private final String resourceName;
- private final RendererCommon.VideoLayoutMeasure videoLayoutMeasure =
- new RendererCommon.VideoLayoutMeasure();
- private final EglRenderer eglRenderer;
-
- // Callback for reporting renderer events. Read-only after initilization so no lock required.
- private RendererCommon.RendererEvents rendererEvents;
-
- private final Object layoutLock = new Object();
- private boolean isFirstFrameRendered;
- private int rotatedFrameWidth;
- private int rotatedFrameHeight;
- private int frameRotation;
-
- // Accessed only on the main thread.
- private boolean enableFixedSize;
- private int surfaceWidth;
- private int surfaceHeight;
-
- /**
- * Standard View constructor. In order to render something, you must first call init().
- */
- public SurfaceViewRenderer(Context context) {
- super(context);
- this.resourceName = getResourceName();
- eglRenderer = new EglRenderer(resourceName);
- getHolder().addCallback(this);
- }
-
- /**
- * Standard View constructor. In order to render something, you must first call init().
- */
- public SurfaceViewRenderer(Context context, AttributeSet attrs) {
- super(context, attrs);
- this.resourceName = getResourceName();
- eglRenderer = new EglRenderer(resourceName);
- getHolder().addCallback(this);
- }
-
- /**
- * Initialize this class, sharing resources with |sharedContext|. It is allowed to call init() to
- * reinitialize the renderer after a previous init()/release() cycle.
- */
- public void init(EglBase.Context sharedContext, RendererCommon.RendererEvents rendererEvents) {
- init(sharedContext, rendererEvents, EglBase.CONFIG_PLAIN, new GlRectDrawer());
- }
-
- /**
- * Initialize this class, sharing resources with |sharedContext|. The custom |drawer| will be used
- * for drawing frames on the EGLSurface. This class is responsible for calling release() on
- * |drawer|. It is allowed to call init() to reinitialize the renderer after a previous
- * init()/release() cycle.
- */
- public void init(final EglBase.Context sharedContext,
- RendererCommon.RendererEvents rendererEvents, final int[] configAttributes,
- RendererCommon.GlDrawer drawer) {
- ThreadUtils.checkIsOnMainThread();
- this.rendererEvents = rendererEvents;
- synchronized (layoutLock) {
- rotatedFrameWidth = 0;
- rotatedFrameHeight = 0;
- frameRotation = 0;
- }
- eglRenderer.init(sharedContext, configAttributes, drawer);
- }
-
- /**
- * Block until any pending frame is returned and all GL resources released, even if an interrupt
- * occurs. If an interrupt occurs during release(), the interrupt flag will be set. This function
- * should be called before the Activity is destroyed and the EGLContext is still valid. If you
- * don't call this function, the GL resources might leak.
- */
- public void release() {
- eglRenderer.release();
- }
-
- /**
- * Register a callback to be invoked when a new video frame has been received.
- *
- * @param listener The callback to be invoked.
- * @param scale The scale of the Bitmap passed to the callback, or 0 if no Bitmap is
- * required.
- * @param drawer Custom drawer to use for this frame listener.
- */
- public void addFrameListener(
- EglRenderer.FrameListener listener, float scale, final RendererCommon.GlDrawer drawer) {
- eglRenderer.addFrameListener(listener, scale, drawer);
- }
-
- /**
- * Register a callback to be invoked when a new video frame has been received. This version uses
- * the drawer of the EglRenderer that was passed in init.
- *
- * @param listener The callback to be invoked.
- * @param scale The scale of the Bitmap passed to the callback, or 0 if no Bitmap is
- * required.
- */
- public void addFrameListener(EglRenderer.FrameListener listener, float scale) {
- eglRenderer.addFrameListener(listener, scale);
- }
-
- public void removeFrameListener(EglRenderer.FrameListener listener) {
- eglRenderer.removeFrameListener(listener);
- }
-
- /**
- * Enables fixed size for the surface. This provides better performance but might be buggy on some
- * devices. By default this is turned off.
- */
- public void setEnableHardwareScaler(boolean enabled) {
- ThreadUtils.checkIsOnMainThread();
- enableFixedSize = enabled;
- updateSurfaceSize();
- }
-
- /**
- * Set if the video stream should be mirrored or not.
- */
- public void setMirror(final boolean mirror) {
- eglRenderer.setMirror(mirror);
- }
-
- /**
- * Set how the video will fill the allowed layout area.
- */
- public void setScalingType(RendererCommon.ScalingType scalingType) {
- ThreadUtils.checkIsOnMainThread();
- videoLayoutMeasure.setScalingType(scalingType);
- }
-
- public void setScalingType(RendererCommon.ScalingType scalingTypeMatchOrientation,
- RendererCommon.ScalingType scalingTypeMismatchOrientation) {
- ThreadUtils.checkIsOnMainThread();
- videoLayoutMeasure.setScalingType(scalingTypeMatchOrientation, scalingTypeMismatchOrientation);
- }
-
- /**
- * Limit render framerate.
- *
- * @param fps Limit render framerate to this value, or use Float.POSITIVE_INFINITY to disable fps
- * reduction.
- */
- public void setFpsReduction(float fps) {
- eglRenderer.setFpsReduction(fps);
- }
-
- public void disableFpsReduction() {
- eglRenderer.disableFpsReduction();
- }
-
- public void pauseVideo() {
- eglRenderer.pauseVideo();
- }
-
- // VideoRenderer.Callbacks interface.
- @Override
- public void renderFrame(VideoRenderer.I420Frame frame) {
- updateFrameDimensionsAndReportEvents(frame);
- eglRenderer.renderFrame(frame);
- }
-
- // View layout interface.
- @Override
- protected void onMeasure(int widthSpec, int heightSpec) {
- ThreadUtils.checkIsOnMainThread();
- final Point size;
- synchronized (layoutLock) {
- size =
- videoLayoutMeasure.measure(widthSpec, heightSpec, rotatedFrameWidth, rotatedFrameHeight);
- }
- setMeasuredDimension(size.x, size.y);
- logD("onMeasure(). New size: " + size.x + "x" + size.y);
- }
-
- @Override
- protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
- ThreadUtils.checkIsOnMainThread();
- eglRenderer.setLayoutAspectRatio((right - left) / (float) (bottom - top));
- updateSurfaceSize();
- }
-
- private void updateSurfaceSize() {
- ThreadUtils.checkIsOnMainThread();
- synchronized (layoutLock) {
- if (enableFixedSize && rotatedFrameWidth != 0 && rotatedFrameHeight != 0 && getWidth() != 0
- && getHeight() != 0) {
- final float layoutAspectRatio = getWidth() / (float) getHeight();
- final float frameAspectRatio = rotatedFrameWidth / (float) rotatedFrameHeight;
- final int drawnFrameWidth;
- final int drawnFrameHeight;
- if (frameAspectRatio > layoutAspectRatio) {
- drawnFrameWidth = (int) (rotatedFrameHeight * layoutAspectRatio);
- drawnFrameHeight = rotatedFrameHeight;
- } else {
- drawnFrameWidth = rotatedFrameWidth;
- drawnFrameHeight = (int) (rotatedFrameWidth / layoutAspectRatio);
- }
- // Aspect ratio of the drawn frame and the view is the same.
- final int width = Math.min(getWidth(), drawnFrameWidth);
- final int height = Math.min(getHeight(), drawnFrameHeight);
- logD("updateSurfaceSize. Layout size: " + getWidth() + "x" + getHeight() + ", frame size: "
- + rotatedFrameWidth + "x" + rotatedFrameHeight + ", requested surface size: " + width
- + "x" + height + ", old surface size: " + surfaceWidth + "x" + surfaceHeight);
- if (width != surfaceWidth || height != surfaceHeight) {
- surfaceWidth = width;
- surfaceHeight = height;
- getHolder().setFixedSize(width, height);
- }
- } else {
- surfaceWidth = surfaceHeight = 0;
- getHolder().setSizeFromLayout();
- }
- }
- }
-
- // SurfaceHolder.Callback interface.
- @Override
- public void surfaceCreated(final SurfaceHolder holder) {
- ThreadUtils.checkIsOnMainThread();
- eglRenderer.createEglSurface(holder.getSurface());
- surfaceWidth = surfaceHeight = 0;
- updateSurfaceSize();
- }
-
- @Override
- public void surfaceDestroyed(SurfaceHolder holder) {
- ThreadUtils.checkIsOnMainThread();
- final CountDownLatch completionLatch = new CountDownLatch(1);
- eglRenderer.releaseEglSurface(new Runnable() {
- @Override
- public void run() {
- completionLatch.countDown();
- }
- });
- ThreadUtils.awaitUninterruptibly(completionLatch);
- }
-
- @Override
- public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
- ThreadUtils.checkIsOnMainThread();
- logD("surfaceChanged: format: " + format + " size: " + width + "x" + height);
- }
-
- private String getResourceName() {
- try {
- return getResources().getResourceEntryName(getId()) + ": ";
- } catch (NotFoundException e) {
- return "";
- }
- }
-
- // Update frame dimensions and report any changes to |rendererEvents|.
- private void updateFrameDimensionsAndReportEvents(VideoRenderer.I420Frame frame) {
- synchronized (layoutLock) {
- if (!isFirstFrameRendered) {
- isFirstFrameRendered = true;
- logD("Reporting first rendered frame.");
- if (rendererEvents != null) {
- rendererEvents.onFirstFrameRendered();
- }
- }
- if (rotatedFrameWidth != frame.rotatedWidth() || rotatedFrameHeight != frame.rotatedHeight()
- || frameRotation != frame.rotationDegree) {
- logD("Reporting frame resolution changed to " + frame.width + "x" + frame.height
- + " with rotation " + frame.rotationDegree);
- if (rendererEvents != null) {
- rendererEvents.onFrameResolutionChanged(frame.width, frame.height, frame.rotationDegree);
- }
- rotatedFrameWidth = frame.rotatedWidth();
- rotatedFrameHeight = frame.rotatedHeight();
- frameRotation = frame.rotationDegree;
- post(new Runnable() {
- @Override
- public void run() {
- updateSurfaceSize();
- requestLayout();
- }
- });
- }
- }
- }
-
- private void logD(String string) {
- Logging.d(TAG, resourceName + string);
- }
-}

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