Snap for 5230900 from 5c3a8421b419bf983810cbfd5e9e9ee999c17e54 to pi-platform-release
Change-Id: I379e9663a34aaeac19b9a0666fa67b0468d6cf94
diff --git a/services/core/java/com/android/server/camera/CameraServiceProxy.java b/services/core/java/com/android/server/camera/CameraServiceProxy.java
index 0ee55ed..527539d 100644
--- a/services/core/java/com/android/server/camera/CameraServiceProxy.java
+++ b/services/core/java/com/android/server/camera/CameraServiceProxy.java
@@ -21,6 +21,7 @@
import android.content.IntentFilter;
import android.hardware.ICameraService;
import android.hardware.ICameraServiceProxy;
+import android.media.AudioManager;
import android.metrics.LogMaker;
import android.nfc.INfcAdapter;
import android.os.Binder;
@@ -393,6 +394,19 @@
boolean wasEmpty = mActiveCameraUsage.isEmpty();
switch (newCameraState) {
case ICameraServiceProxy.CAMERA_STATE_OPEN:
+ // Notify the audio subsystem about the facing of the most-recently opened
+ // camera This can be used to select the best audio tuning in case video
+ // recording with that camera will happen. Since only open events are used, if
+ // multiple cameras are opened at once, the one opened last will be used to
+ // select audio tuning.
+ AudioManager audioManager = getContext().getSystemService(AudioManager.class);
+ if (audioManager != null) {
+ // Map external to front for audio tuning purposes
+ String facingStr = (facing == ICameraServiceProxy.CAMERA_FACING_BACK) ?
+ "back" : "front";
+ String facingParameter = "cameraFacing=" + facingStr;
+ audioManager.setParameters(facingParameter);
+ }
break;
case ICameraServiceProxy.CAMERA_STATE_ACTIVE:
CameraUsageEvent newEvent = new CameraUsageEvent(facing, clientName, apiLevel);