Merge "media: further resource cleanup for async release" into rvc-dev am: 275248ddfe am: 46bc5d070e am: 50d0b096cb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11795061

Change-Id: Ia4b601c067542a691748e58cb81c2f1142b0baae

media/jni/android_media_MediaCodec.cpp

@@ -233,10 +233,12 @@ void JMediaCodec::release() {
 }
 
 void JMediaCodec::releaseAsync() {
-    if (mCodec != NULL) {
-        mCodec->releaseAsync();
-    }
-    mInitStatus = NO_INIT;
+    std::call_once(mAsyncReleaseFlag, [this] {
+        if (mCodec != NULL) {
+            mCodec->releaseAsync(new AMessage(kWhatAsyncReleaseComplete, this));
+        }
+        mInitStatus = NO_INIT;
+    });
 }
 
 JMediaCodec::~JMediaCodec() {
@@ -1084,6 +1086,12 @@ void JMediaCodec::onMessageReceived(const sp<AMessage> &msg) {
             handleFrameRenderedNotification(msg);
             break;
         }
+        case kWhatAsyncReleaseComplete:
+        {
+            mCodec.clear();
+            mLooper->stop();
+            break;
+        }
         default:
             TRESPASS();
     }

media/jni/android_media_MediaCodec.h

@@ -173,6 +173,7 @@ private:
     enum {
         kWhatCallbackNotify,
         kWhatFrameRendered,
+        kWhatAsyncReleaseComplete,
     };
 
     jclass mClass;
@@ -185,6 +186,7 @@ private:
     bool mGraphicOutput{false};
     bool mHasCryptoOrDescrambler{false};
     std::once_flag mReleaseFlag;
+    std::once_flag mAsyncReleaseFlag;
 
     sp<AMessage> mCallbackNotification;
     sp<AMessage> mOnFrameRenderedNotification;