Earlier processing of DrmInfo notification (8606c335) · Commits · e / os / android_frameworks_base

media/java/android/media/MediaPlayer.java

+52 −18

Original line number	Diff line number	Diff line
		@@ -1250,6 +1250,11 @@ public class MediaPlayer extends PlayerBase
		public void prepare() throws IOException, IllegalStateException {
		_prepare();
		scanInternalSubtitleTracks();

		// DrmInfo, if any, has been resolved by now.
		synchronized (mDrmLock) {
		mDrmInfoResolved = true;
		}
		}

		private native void _prepare() throws IOException, IllegalStateException;
		@@ -3142,12 +3147,6 @@ public class MediaPlayer extends PlayerBase
		sendMessage(msg2);
		}

		// MEDIA_DRM_INFO is fired (if available) before MEDIA_PREPARED.
		// An empty mDrmInfo indicates prepared is done but the source is not DRM protected.
		// Setting this before the callback so onPreparedListener can call getDrmInfo to
		// get the right state
		mDrmInfoResolved = true;

		OnPreparedListener onPreparedListener = mOnPreparedListener;
		if (onPreparedListener != null)
		onPreparedListener.onPrepared(mMediaPlayer);
		@@ -3159,12 +3158,14 @@ public class MediaPlayer extends PlayerBase
		if (msg.obj == null) {
		Log.w(TAG, "MEDIA_DRM_INFO msg.obj=NULL");
		} else if (msg.obj instanceof Parcel) {
		Parcel parcel = (Parcel)msg.obj;
		DrmInfo drmInfo = new DrmInfo(parcel);
		// The parcel was parsed already in postEventFromNative
		DrmInfo drmInfo = null;

		OnDrmInfoHandlerDelegate onDrmInfoHandlerDelegate;
		synchronized (mDrmLock) {
		mDrmInfo = drmInfo.makeCopy();
		if (mOnDrmInfoHandlerDelegate != null && mDrmInfo != null) {
		drmInfo = mDrmInfo.makeCopy();
		}
		// local copy while keeping the lock
		onDrmInfoHandlerDelegate = mOnDrmInfoHandlerDelegate;
		}
		@@ -3359,10 +3360,43 @@ public class MediaPlayer extends PlayerBase
		return;
		}

		if (what == MEDIA_INFO && arg1 == MEDIA_INFO_STARTED_AS_NEXT) {
		switch (what) {
		case MEDIA_INFO:
		if (arg1 == MEDIA_INFO_STARTED_AS_NEXT) {
		// this acquires the wakelock if needed, and sets the client side state
		mp.start();
		}
		break;

		case MEDIA_DRM_INFO:
		// We need to derive mDrmInfo before prepare() returns so processing it here
		// before the notification is sent to EventHandler below. EventHandler runs in the
		// notification looper so its handleMessage might process the event after prepare()
		// has returned.
		Log.v(TAG, "postEventFromNative MEDIA_DRM_INFO");
		if (obj instanceof Parcel) {
		Parcel parcel = (Parcel)obj;
		DrmInfo drmInfo = new DrmInfo(parcel);
		synchronized (mp.mDrmLock) {
		mp.mDrmInfo = drmInfo;
		}
		} else {
		Log.w(TAG, "MEDIA_DRM_INFO msg.obj of unexpected type " + obj);
		}
		break;

		case MEDIA_PREPARED:
		// By this time, we've learned about DrmInfo's presence or absence. This is meant
		// mainly for prepareAsync() use case. For prepare(), this still can run to a race
		// condition b/c MediaPlayerNative releases the prepare() lock before calling notify
		// so we also set mDrmInfoResolved in prepare().
		synchronized (mp.mDrmLock) {
		mp.mDrmInfoResolved = true;
		}
		break;

		}

		if (mp.mEventHandler != null) {
		Message m = mp.mEventHandler.obtainMessage(what, arg1, arg2, obj);
		mp.mEventHandler.sendMessage(m);
		@@ -4086,16 +4120,16 @@ public class MediaPlayer extends PlayerBase
		* If the device has not been provisioned before, this call also provisions the device
		* which involves accessing the provisioning server and can take a variable time to
		* complete depending on the network connectivity.
		* If OnDrmPreparedListener is registered, prepareDrm() runs in non-blocking
		* If {@code OnDrmPreparedListener} is registered, prepareDrm() runs in non-blocking
		* mode by launching the provisioning in the background and returning. The listener
		* will be called when provisioning and preperation has finished. If a
		* OnDrmPreparedListener is not registered, prepareDrm() waits till provisioning
		* {@code OnDrmPreparedListener} is not registered, prepareDrm() waits till provisioning
		* and preperation has finished, i.e., runs in blocking mode.
		* <p>
		* If OnDrmPreparedListener is registered, it is called to indicated the DRM session
		* being ready regardless of blocking or non-blocking mode. The application should
		* not make any assumption about its call sequence (e.g., before or after prepareDrm
		* returns) or the thread context that will execute the listener.
		* If {@code OnDrmPreparedListener} is registered, it is called to indicate the DRM
		* session being ready. The application should not make any assumption about its call
		* sequence (e.g., before or after prepareDrm returns), or the thread context that will
		* execute the listener (unless the listener is registered with a handler thread).
		* <p>
		*
		* @param uuid The UUID of the crypto scheme.