Android VideoRendererGui: Add dispose function

There is currently no way to dispose VideoRendererGui or VideoRendererGui.YuvImageRenderer. This CL adds functions to do so.

BUG=webrtc:4892

Review URL: https://codereview.webrtc.org/1273803002

Cr-Commit-Position: refs/heads/master@{#9710}
This commit is contained in:
magjed
2015-08-14 03:13:05 -07:00
committed by Commit bot
parent af5c035e43
commit d5031fcf92
3 changed files with 104 additions and 54 deletions

View File

@ -55,6 +55,8 @@ import org.webrtc.VideoRenderer.I420Frame;
* 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";
@ -68,7 +70,8 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
private int screenWidth;
private int screenHeight;
// List of yuv renderers.
private ArrayList<YuvImageRenderer> yuvImageRenderers;
private final ArrayList<YuvImageRenderer> yuvImageRenderers;
// |drawer| is synchronized on |yuvImageRenderers|.
private GlRectDrawer drawer;
// The minimum fraction of the frame content that will be shown for |SCALE_ASPECT_BALANCED|.
// This limits excessive cropping when adjusting display size.
@ -101,12 +104,32 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
yuvImageRenderers = new ArrayList<YuvImageRenderer>();
}
public static synchronized void dispose() {
if (instance == null){
return;
}
synchronized (instance.yuvImageRenderers) {
for (YuvImageRenderer yuvImageRenderer : instance.yuvImageRenderers) {
yuvImageRenderer.release();
}
instance.yuvImageRenderers.clear();
if (instance.drawer != null) {
instance.drawer.release();
}
}
instance.surface = null;
instance.eglContext = null;
instance.eglContextReady = null;
instance = null;
}
/**
* 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;
private int[] yuvTextures = { -1, -1, -1 };
@ -116,8 +139,8 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
// an offer (writing I420Frame to render) and early-returns (recording
// a dropped frame) if that queue is full. draw() call does a peek(),
// copies frame to texture and then removes it from a queue using poll().
LinkedBlockingQueue<I420Frame> frameToRenderQueue;
// Local copy of incoming video frame.
private final LinkedBlockingQueue<I420Frame> frameToRenderQueue;
// Local copy of incoming video frame. Synchronized on |frameToRenderQueue|.
private I420Frame yuvFrameToRender;
private I420Frame textureFrameToRender;
// Type of video frame used for recent frame rendering.
@ -178,6 +201,15 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
rotationDegree = 0;
}
private synchronized void release() {
surface = null;
synchronized (frameToRenderQueue) {
frameToRenderQueue.clear();
yuvFrameToRender = null;
textureFrameToRender = null;
}
}
private void createTextures() {
Log.d(TAG, " YuvImageRenderer.createTextures " + id + " on GL thread:" +
Thread.currentThread().getId());
@ -425,46 +457,52 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
@Override
public synchronized void renderFrame(I420Frame frame) {
if (surface == null) {
// This object has been released.
return;
}
setSize(frame.width, frame.height, frame.rotationDegree);
long now = System.nanoTime();
framesReceived++;
// Skip rendering of this frame if setSize() was not called.
if (yuvFrameToRender == null || textureFrameToRender == null) {
framesDropped++;
return;
}
// 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) {
Log.e(TAG, "Incorrect strides " + frame.yuvStrides[0] + ", " +
frame.yuvStrides[1] + ", " + frame.yuvStrides[2]);
synchronized (frameToRenderQueue) {
// Skip rendering of this frame if setSize() was not called.
if (yuvFrameToRender == null || textureFrameToRender == null) {
framesDropped++;
return;
}
// Check incoming frame dimensions.
if (frame.width != yuvFrameToRender.width ||
frame.height != yuvFrameToRender.height) {
throw new RuntimeException("Wrong frame size " +
frame.width + " x " + frame.height);
// 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) {
Log.e(TAG, "Incorrect strides " + frame.yuvStrides[0] + ", " +
frame.yuvStrides[1] + ", " + frame.yuvStrides[2]);
return;
}
// Check incoming frame dimensions.
if (frame.width != yuvFrameToRender.width ||
frame.height != yuvFrameToRender.height) {
throw new RuntimeException("Wrong frame size " +
frame.width + " x " + frame.height);
}
}
}
if (frameToRenderQueue.size() > 0) {
// Skip rendering of this frame if previous frame was not rendered yet.
framesDropped++;
return;
}
if (frameToRenderQueue.size() > 0) {
// Skip rendering of this frame if previous frame was not rendered yet.
framesDropped++;
return;
}
// Create a local copy of the frame.
if (frame.yuvFrame) {
yuvFrameToRender.copyFrom(frame);
rendererType = RendererType.RENDERER_YUV;
frameToRenderQueue.offer(yuvFrameToRender);
} else {
textureFrameToRender.copyFrom(frame);
rendererType = RendererType.RENDERER_TEXTURE;
frameToRenderQueue.offer(textureFrameToRender);
// Create a local copy of the frame.
if (frame.yuvFrame) {
yuvFrameToRender.copyFrom(frame);
rendererType = RendererType.RENDERER_YUV;
frameToRenderQueue.offer(yuvFrameToRender);
} else {
textureFrameToRender.copyFrom(frame);
rendererType = RendererType.RENDERER_TEXTURE;
frameToRenderQueue.offer(textureFrameToRender);
}
}
copyTimeNs += (System.nanoTime() - now);
seenFrame = true;
@ -481,14 +519,14 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
}
/** Passes GLSurfaceView to video renderer. */
public static void setView(GLSurfaceView surface,
public static synchronized void setView(GLSurfaceView surface,
Runnable eglContextReadyCallback) {
Log.d(TAG, "VideoRendererGui.setView");
instance = new VideoRendererGui(surface);
eglContextReady = eglContextReadyCallback;
}
public static EGLContext getEGLContext() {
public static synchronized EGLContext getEGLContext() {
return eglContext;
}
@ -514,7 +552,7 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
* resolution (width, height). All parameters are in percentage of
* screen resolution.
*/
public static YuvImageRenderer create(int x, int y, int width, int height,
public static synchronized YuvImageRenderer create(int x, int y, int width, int height,
ScalingType scalingType, boolean mirror) {
// Check display region parameters.
if (x < 0 || x > 100 || y < 0 || y > 100 ||
@ -557,7 +595,7 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
return yuvImageRenderer;
}
public static void update(
public static synchronized void update(
VideoRenderer.Callbacks renderer,
int x, int y, int width, int height, ScalingType scalingType, boolean mirror) {
Log.d(TAG, "VideoRendererGui.update");
@ -574,15 +612,18 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
}
}
public static void remove(VideoRenderer.Callbacks renderer) {
public static synchronized void remove(VideoRenderer.Callbacks renderer) {
Log.d(TAG, "VideoRendererGui.remove");
if (instance == null) {
throw new RuntimeException(
"Attempt to remove yuv renderer before setting GLSurfaceView");
}
synchronized (instance.yuvImageRenderers) {
if (!instance.yuvImageRenderers.remove(renderer)) {
final int index = instance.yuvImageRenderers.indexOf(renderer);
if (index == -1) {
Log.w(TAG, "Couldn't remove renderer (not present in current list)");
} else {
instance.yuvImageRenderers.remove(index).release();
}
}
}
@ -593,14 +634,15 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
Log.d(TAG, "VideoRendererGui.onSurfaceCreated");
// Store render EGL context.
if (CURRENT_SDK_VERSION >= EGL14_SDK_VERSION) {
eglContext = EGL14.eglGetCurrentContext();
Log.d(TAG, "VideoRendererGui EGL Context: " + eglContext);
synchronized (VideoRendererGui.class) {
eglContext = EGL14.eglGetCurrentContext();
Log.d(TAG, "VideoRendererGui EGL Context: " + eglContext);
}
}
// Create drawer for YUV/OES frames.
drawer = new GlRectDrawer();
synchronized (yuvImageRenderers) {
// Create drawer for YUV/OES frames.
drawer = new GlRectDrawer();
// Create textures for all images.
for (YuvImageRenderer yuvImageRenderer : yuvImageRenderers) {
yuvImageRenderer.createTextures();
@ -612,8 +654,10 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
GLES20.glClearColor(0.15f, 0.15f, 0.15f, 1.0f);
// Fire EGL context ready event.
if (eglContextReady != null) {
eglContextReady.run();
synchronized (VideoRendererGui.class) {
if (eglContextReady != null) {
eglContextReady.run();
}
}
}

View File

@ -177,9 +177,9 @@ public class VideoRenderer {
}
// |this| either wraps a native (GUI) renderer or a client-supplied Callbacks
// (Java) implementation; so exactly one of these will be non-0/null.
final long nativeVideoRenderer;
private final Callbacks callbacks;
// (Java) implementation; this is indicated by |isWrappedVideoRenderer|.
long nativeVideoRenderer;
private final boolean isWrappedVideoRenderer;
public static VideoRenderer createGui(int x, int y) {
long nativeVideoRenderer = nativeCreateGuiVideoRenderer(x, y);
@ -191,20 +191,25 @@ public class VideoRenderer {
public VideoRenderer(Callbacks callbacks) {
nativeVideoRenderer = nativeWrapVideoRenderer(callbacks);
this.callbacks = callbacks;
isWrappedVideoRenderer = true;
}
private VideoRenderer(long nativeVideoRenderer) {
this.nativeVideoRenderer = nativeVideoRenderer;
callbacks = null;
isWrappedVideoRenderer = false;
}
public void dispose() {
if (callbacks == null) {
if (nativeVideoRenderer == 0) {
// Already disposed.
return;
}
if (!isWrappedVideoRenderer) {
freeGuiVideoRenderer(nativeVideoRenderer);
} else {
freeWrappedVideoRenderer(nativeVideoRenderer);
}
nativeVideoRenderer = 0;
}
private static native long nativeCreateGuiVideoRenderer(int x, int y);

View File

@ -279,6 +279,7 @@ public class CallActivity extends Activity
logToast.cancel();
}
activityRunning = false;
VideoRendererGui.dispose();
}
// CallFragment.OnCallEvents interface implementation.