I've been struggling with this for 2 days now... Following this answer: https://stackoverflow.com/a/2006454/444324 - it is mentioned that it's possible to play a video in a GLSurfaceView by altering the MediaPlayerDemo_Video example in API Demos:
All you have to do there is to replace the SurfaceView with a GLSurfaceView in both the MediaPlayerDemo_Video.java file as well as in the corresponding layout file (mediaplayer_2.xml).
Also you need to create a custom Renderer class (one that implements the GLSurfaceView.Renderer interface) and set it to your GLSurfaceView.
I tried replacing the SurfaceView to a GLSurfaceView as suggested, also using this but it just crashes on start:
07-11 14:54:22.086: E/AndroidRuntime(12373): FATAL EXCEPTION: main
07-11 14:54:22.086: E/AndroidRuntime(12373): java.lang.NullPointerException
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.opengl.GLSurfaceView.surfaceCreated(GLSurfaceView.java:512)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.view.SurfaceView.updateWindow(SurfaceView.java:533)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.view.SurfaceView.access$000(SurfaceView.java:81)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.view.SurfaceView$3.onPreDraw(SurfaceView.java:169)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:590)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1617)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2442)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.os.Handler.dispatchMessage(Handler.java:99)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.os.Looper.loop(Looper.java:137)
07-11 14:54:22.086: E/AndroidRuntime(12373): at android.app.ActivityThread.main(ActivityThread.java:4575)
07-11 14:54:22.086: E/AndroidRuntime(12373): at java.lang.reflect.Method.invokeNative(Native Method)
07-11 14:54:22.086: E/AndroidRuntime(12373): at java.lang.reflect.Method.invoke(Method.java:511)
07-11 14:54:22.086: E/AndroidRuntime(12373): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
07-11 14:54:22.086: E/AndroidRuntime(12373): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
07-11 14:54:22.086: E/AndroidRuntime(12373): at dalvik.system.NativeStart.main(Native Method)
I know I can use a VideoView to play a video or just stay with SurfaceView with MediaPlayer but I must use a GLSurfaceView because I need this video to be played on top of the camera surface view.
Thank you!
Relevant code: my XML:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<com.commonsware.android.camera.MyGLSurfaceView
android:id="@+id/surface"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
</LinearLayout>
My Class:
public class MediaPlayerDemo_Video extends Activity implements
OnBufferingUpdateListener, OnCompletionListener,
OnPreparedListener, OnVideoSizeChangedListener, SurfaceHolder.Callback {
private MediaPlayer mMediaPlayer;
private MyGLSurfaceView mPreview;
private SurfaceHolder holder;
/**
*
* Called when the activity is first created.
*/
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.mediaplayer_2);
mPreview = (MyGLSurfaceView) findViewById(R.id.surface);
holder = mPreview.getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
}
MyGLSurfaceView Class:
class MyGLSurfaceView extends android.opengl.GLSurfaceView {
public MyGLSurfaceView(Context context, AttributeSet attrs) {
super(context, attrs);
}
}
OK, solved this... I had several errors but the final error I present in my question is solved by adding this code to the onCreate:
mPreview.setRenderer(new Renderer() {
@Override
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
// TODO Auto-generated method stub
}
@Override
public void onSurfaceChanged(GL10 gl, int width, int height) {
// TODO Auto-generated method stub
}
@Override
public void onDrawFrame(GL10 gl) {
// TODO Auto-generated method stub
}
});