Merge changes from topic "camera_ndk_fixes"
am: 35f148bc5a

Change-Id: I0e8da27ad9d603597ee1741c3e89322f98dedd94
diff --git a/camera/ndk/impl/ACameraDevice.cpp b/camera/ndk/impl/ACameraDevice.cpp
index d24cb81..46a8dae 100644
--- a/camera/ndk/impl/ACameraDevice.cpp
+++ b/camera/ndk/impl/ACameraDevice.cpp
@@ -29,7 +29,7 @@
 #include "ACameraCaptureSession.inc"
 
 ACameraDevice::~ACameraDevice() {
-    mDevice->stopLooper();
+    mDevice->stopLooperAndDisconnect();
 }
 
 namespace android {
@@ -112,19 +112,7 @@
     }
 }
 
-// Device close implementaiton
-CameraDevice::~CameraDevice() {
-    sp<ACameraCaptureSession> session = mCurrentSession.promote();
-    {
-        Mutex::Autolock _l(mDeviceLock);
-        if (!isClosed()) {
-            disconnectLocked(session);
-        }
-        LOG_ALWAYS_FATAL_IF(mCbLooper != nullptr,
-                "CameraDevice looper should've been stopped before ~CameraDevice");
-        mCurrentSession = nullptr;
-    }
-}
+CameraDevice::~CameraDevice() { }
 
 void
 CameraDevice::postSessionMsgAndCleanup(sp<AMessage>& msg) {
@@ -892,8 +880,14 @@
     return;
 }
 
-void CameraDevice::stopLooper() {
+void CameraDevice::stopLooperAndDisconnect() {
     Mutex::Autolock _l(mDeviceLock);
+    sp<ACameraCaptureSession> session = mCurrentSession.promote();
+    if (!isClosed()) {
+        disconnectLocked(session);
+    }
+    mCurrentSession = nullptr;
+
     if (mCbLooper != nullptr) {
       mCbLooper->unregisterHandler(mHandler->id());
       mCbLooper->stop();
diff --git a/camera/ndk/impl/ACameraDevice.h b/camera/ndk/impl/ACameraDevice.h
index 7a35bf0..6c2ceb3 100644
--- a/camera/ndk/impl/ACameraDevice.h
+++ b/camera/ndk/impl/ACameraDevice.h
@@ -40,6 +40,7 @@
 
 #include <camera/NdkCameraManager.h>
 #include <camera/NdkCameraCaptureSession.h>
+
 #include "ACameraMetadata.h"
 
 namespace android {
@@ -110,7 +111,7 @@
     inline ACameraDevice* getWrapper() const { return mWrapper; };
 
     // Stop the looper thread and unregister the handler
-    void stopLooper();
+    void stopLooperAndDisconnect();
 
   private:
     friend ACameraCaptureSession;
diff --git a/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp b/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
index 35c8355..e511a3f 100644
--- a/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
+++ b/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
@@ -45,7 +45,7 @@
 using namespace android;
 
 ACameraDevice::~ACameraDevice() {
-    mDevice->stopLooper();
+    mDevice->stopLooperAndDisconnect();
 }
 
 namespace android {
@@ -125,19 +125,7 @@
     }
 }
 
-// Device close implementaiton
-CameraDevice::~CameraDevice() {
-    sp<ACameraCaptureSession> session = mCurrentSession.promote();
-    {
-        Mutex::Autolock _l(mDeviceLock);
-        if (!isClosed()) {
-            disconnectLocked(session);
-        }
-        mCurrentSession = nullptr;
-        LOG_ALWAYS_FATAL_IF(mCbLooper != nullptr,
-            "CameraDevice looper should've been stopped before ~CameraDevice");
-    }
-}
+CameraDevice::~CameraDevice() { }
 
 void
 CameraDevice::postSessionMsgAndCleanup(sp<AMessage>& msg) {
@@ -1388,6 +1376,7 @@
             // before cbh goes out of scope and causing we call the session
             // destructor while holding device lock
             cbh.mSession.clear();
+
             postSessionMsgAndCleanup(msg);
         }
 
@@ -1400,8 +1389,13 @@
     }
 }
 
-void CameraDevice::stopLooper() {
+void CameraDevice::stopLooperAndDisconnect() {
     Mutex::Autolock _l(mDeviceLock);
+    sp<ACameraCaptureSession> session = mCurrentSession.promote();
+    if (!isClosed()) {
+        disconnectLocked(session);
+    }
+    mCurrentSession = nullptr;
     if (mCbLooper != nullptr) {
       mCbLooper->unregisterHandler(mHandler->id());
       mCbLooper->stop();
diff --git a/camera/ndk/ndk_vendor/impl/ACameraDevice.h b/camera/ndk/ndk_vendor/impl/ACameraDevice.h
index 9e034c4..7fc699e 100644
--- a/camera/ndk/ndk_vendor/impl/ACameraDevice.h
+++ b/camera/ndk/ndk_vendor/impl/ACameraDevice.h
@@ -36,6 +36,7 @@
 
 #include <camera/NdkCameraManager.h>
 #include <camera/NdkCameraCaptureSession.h>
+
 #include "ACameraMetadata.h"
 #include "utils.h"
 
@@ -134,7 +135,7 @@
     inline ACameraDevice* getWrapper() const { return mWrapper; };
 
     // Stop the looper thread and unregister the handler
-    void stopLooper();
+    void stopLooperAndDisconnect();
 
   private:
     friend ACameraCaptureSession;