2014-11-21 58 views
0

當Surfaceview被破壞時,我的mediaplayer會向前跳過幾秒鐘。 這是一個由2個片段組成的視頻播放器。在每個片段中都是應該看到視頻的表面視圖。如果我在兩個片段之間切換,我必須調用'mPlayer.setDisplay(surfaceHolder);'。否則視頻將不會顯示。但是有一個問題是玩家在幾秒鐘內跳過。原因是當方法surfaceDestroyed被調用時,視頻緩衝區被轉儲。根據this當Surfaceview被破壞時MediaPlayer會向前跳過幾秒鐘

我已經用surfacetexture和textureview試了一下。 因此,我在我的mainActivity中聲明瞭一個靜態SurfaceTexture變量,當我在片段之間切換時,保存了我的surfaceTexture。開關後,我將我的surfacetexture設置爲紋理視圖。

textureView.setSurfaceTexture(MainActivity.getSurfaceTexture()); 

這甚至適用於我第一次切換時沒有跳過前進或中斷。但後來當我第二次切換runtimeexception時拋出..

attachToContext: GLConsumer is already attached to a context  
Shutting down VM 
W/dalvikvm(8400): threadid=1: thread exiting with uncaught exception (group=0xa4d25b20) 
FATAL EXCEPTION: main 
Process: info.androidhive.slidingmenu, PID: 8400 
java.lang.RuntimeException: Error during attachToGLContext (see logcat for details) 
at android.graphics.SurfaceTexture.attachToGLContext(SurfaceTexture.java:215) 
at android.view.GLES20TextureLayer.setSurfaceTexture(GLES20TextureLayer.java:86)  
at android.view.HardwareRenderer$Gl20Renderer.setSurfaceTexture(HardwareRenderer.java:2221) 
at android.view.TextureView.getHardwareLayer(TextureView.java:401) 
at android.view.View.getDisplayList(View.java:13328) 
at android.view.View.getDisplayList(View.java:13404) 
at android.view.View.draw(View.java:14182) 
at android.view.ViewGroup.drawChild(ViewGroup.java:3103) 
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940) 
at android.view.View.getDisplayList(View.java:13357) 
at android.view.View.getDisplayList(View.java:13404) 
at android.view.View.draw(View.java:14182) 
at android.view.ViewGroup.drawChild(ViewGroup.java:3103) 
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940) 
at android.view.View.draw(View.java:14468) 
at android.view.View.getDisplayList(View.java:13362) 
at android.view.View.getDisplayList(View.java:13404) 
at android.view.View.draw(View.java:14182) 
at android.view.ViewGroup.drawChild(ViewGroup.java:3103) 
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)  
at android.view.View.getDisplayList(View.java:13357) 
at android.view.View.getDisplayList(View.java:13404) 
at android.view.View.draw(View.java:14182) 
at android.view.ViewGroup.drawChild(ViewGroup.java:3103) 
at android.support.v4.widget.DrawerLayout.drawChild(DrawerLayout.java:804) 
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940) 
at android.view.View.getDisplayList(View.java:13357)  
at android.view.View.getDisplayList(View.java:13404) 
at android.view.View.draw(View.java:14182) 
at android.view.ViewGroup.drawChild(ViewGroup.java:3103) 
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940) 
at android.view.View.getDisplayList(View.java:13357)  
at android.view.View.getDisplayList(View.java:13404) 
at android.view.View.draw(View.java:14182) 
at android.view.ViewGroup.drawChild(ViewGroup.java:3103) 
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940) 
at android.view.View.draw(View.java:14468)  
at com.android.internal.widget.ActionBarOverlayLayout.draw(ActionBarOverlayLayout.java:381) 
at android.view.View.getDisplayList(View.java:13362) 
at android.view.View.getDisplayList(View.java:13404) 
at android.view.View.draw(View.java:14182) 
at android.view.ViewGroup.drawChild(ViewGroup.java:3103) 
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940) 
at android.view.View.draw(View.java:14468) 
at android.widget.FrameLayout.draw(FrameLayout.java:472) 
at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2326) 
at android.view.View.getDisplayList(View.java:13362) 
at android.view.View.getDisplayList(View.java:13404) 
at android.view.HardwareRenderer$GlRenderer.buildDisplayList(HardwareRenderer.java:1570) 
at android.view.HardwareRenderer$GlRenderer.draw(HardwareRenderer.java:1449) 
at android.view.ViewRootImpl.draw(ViewRootImpl.java:2377)  
at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2249)  
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1879)  
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:996) 
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5600) 
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)  
at android.view.Choreographer.doCallbacks(Choreographer.java:574)  
at android.view.Choreographer.doFrame(Choreographer.java:544)  
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747) 
at android.os.Handler.handleCallback(Handler.java:733) 
at android.os.Handler.dispatchMessage(Handler.java:95) 
at android.os.Looper.loop(Looper.java:136) 
at android.app.ActivityThread.main(ActivityThread.java:5001) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com. 

有沒有人知道爲什麼這個異常被調用?

回答

0

當您嘗試附加到仍然附加到不同視圖的紋理時,會發生這種情況。你必須等待視圖分離。這將發生在onDetachedFromWindow()呼叫中。我知道這並不理想(我們一直在通過共享表面的視圖之間的同步問題進行對抗),但除非Android決定讓這種情況變得非致命,否則這是我唯一能想到的。

你可以考慮在將其記錄它連接或不(使用於setSurfaceTexture()onDetachedFromWindow()您的電話,一類包裝參考您SurfaceTexture只增加你的層次第二種觀點一旦包裹的質感都知道,它的分離。

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