[automerge] audio: SpatializerHelper: fix exceptions when head tracking is not supported 2p: 511336f1b9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17238104

Bug: 224623509
Change-Id: I0406c2f15c625130922e02e1111f2ad78f0ac7b7
Merged-In: I3be6b3f05c9542404379a07f4fc734e45a75152a

1 files changed, 10 insertions, 11 deletions

diff --git a/services/core/java/com/android/server/audio/SpatializerHelper.java b/services/core/java/com/android/server/audio/SpatializerHelper.java
index 399ca0326313..d4dc288fbece 100644
--- a/services/core/java/com/android/server/audio/SpatializerHelper.java
+++ b/services/core/java/com/android/server/audio/SpatializerHelper.java
@@ -90,6 +90,7 @@ public class SpatializerHelper {
     private @Nullable SpatializerCallback mSpatCallback;
     private @Nullable SpatializerHeadTrackingCallback mSpatHeadTrackingCallback;
     private @Nullable HelperDynamicSensorCallback mDynSensorCallback;
+    private boolean mIsHeadTrackingSupported = false;
 
     // default attributes and format that determine basic availability of spatialization
     private static final AudioAttributes DEFAULT_ATTRIBUTES = new AudioAttributes.Builder()
@@ -497,8 +498,9 @@ public class SpatializerHelper {
             mSpat = AudioSystem.getSpatializer(mSpatCallback);
             try {
                 mSpat.setLevel((byte)  Spatializer.SPATIALIZER_IMMERSIVE_LEVEL_MULTICHANNEL);
+                mIsHeadTrackingSupported = mSpat.isHeadTrackingSupported();
                 //TODO: register heatracking callback only when sensors are registered
-                if (mSpat.isHeadTrackingSupported()) {
+                if (mIsHeadTrackingSupported) {
                     mSpat.registerHeadTrackingCallback(mSpatHeadTrackingCallback);
                 }
             } catch (RemoteException e) {
@@ -516,11 +518,14 @@ public class SpatializerHelper {
         if (mSpat != null) {
             mSpatCallback = null;
             try {
-                mSpat.registerHeadTrackingCallback(null);
+                if (mIsHeadTrackingSupported) {
+                    mSpat.registerHeadTrackingCallback(null);
+                }
                 mSpat.release();
             } catch (RemoteException e) {
                 Log.e(TAG, "Can't set release spatializer cleanly", e);
             }
+            mIsHeadTrackingSupported = false;
             mSpat = null;
         }
     }
@@ -687,7 +692,6 @@ public class SpatializerHelper {
                 mDesiredHeadTrackingMode = mode;
                 dispatchDesiredHeadTrackingMode(mode);
             }
-
         } catch (RemoteException e) {
             Log.e(TAG, "Error calling setDesiredHeadTrackingMode", e);
         }
@@ -708,7 +712,7 @@ public class SpatializerHelper {
                 }
                 break;
         }
-        return true;
+        return mIsHeadTrackingSupported;
     }
 
     private void dispatchActualHeadTrackingMode(int newMode) {
@@ -882,13 +886,8 @@ public class SpatializerHelper {
             Log.e(TAG, "not " + action + " sensors, null spatializer");
             return;
         }
-        try {
-            if (!mSpat.isHeadTrackingSupported()) {
-                Log.e(TAG, "not " + action + " sensors, spatializer doesn't support headtracking");
-                return;
-            }
-        } catch (RemoteException e) {
-            Log.e(TAG, "not " + action + " sensors, error querying headtracking", e);
+        if (!mIsHeadTrackingSupported) {
+            Log.e(TAG, "not " + action + " sensors, spatializer doesn't support headtracking");
             return;
         }
         int headHandle = -1;