Bug 1484648 - Implement CodecProxy::IsHardwareAccelerated. r=jolin

Differential Revision: https://phabricator.services.mozilla.com/D3789

--HG--
extra : moz-landing-system : lando

dom/media/platforms/android/RemoteDataDecoder.cpp

@@ -208,6 +208,8 @@ public:
     }
     mIsCodecSupportAdaptivePlayback =
       mJavaDecoder->IsAdaptivePlaybackSupported();
+    mIsHardwareAccelerated =
+      mJavaDecoder->IsHardwareAccelerated();
     return InitPromise::CreateAndResolve(TrackInfo::kVideoTrack, __func__);
   }
 
@@ -272,12 +274,19 @@ public:
     return true;
   }
 
+  bool IsHardwareAccelerated(nsACString& aFailureReason) const override
+  {
+    return mIsHardwareAccelerated;
+  }
+
 private:
   const VideoInfo mConfig;
   GeckoSurface::GlobalRef mSurface;
   AndroidSurfaceTextureHandle mSurfaceHandle;
   // Only accessed on reader's task queue.
   bool mIsCodecSupportAdaptivePlayback = false;
+  // Can be accessed on any thread, but only written on during init.
+  bool mIsHardwareAccelerated = false;
   // Accessed on mTaskQueue, reader's TaskQueue and Java callback tread.
   // SimpleMap however is thread-safe, so it's okay to do so.
   SimpleMap<InputInfo> mInputInfos;

mobile/android/geckoview/src/main/aidl/org/mozilla/gecko/media/ICodec.aidl

@@ -15,6 +15,7 @@ interface ICodec {
     void setCallbacks(in ICodecCallbacks callbacks);
     boolean configure(in FormatParam format, in GeckoSurface surface, in int flags, in String drmStubId);
     boolean isAdaptivePlaybackSupported();
+    boolean isHardwareAccelerated();
     boolean isTunneledPlaybackSupported();
     void start();
     void stop();

mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/Codec.java

@@ -350,6 +350,7 @@ import org.mozilla.gecko.gfx.GeckoSurface;
     private SamplePool mSamplePool;
     // Values will be updated after configure called.
     private volatile boolean mIsAdaptivePlaybackSupported = false;
+    private volatile boolean mIsHardwareAccelerated = false;
     private boolean mIsTunneledPlaybackSupported = false;
 
     public synchronized void setCallbacks(ICodecCallbacks callbacks) throws RemoteException {
@@ -399,6 +400,7 @@ import org.mozilla.gecko.gfx.GeckoSurface;
                 Log.w(LOGTAG, "unable to configure " + name + ". Try next.");
                 continue;
             }
+            mIsHardwareAccelerated = !name.startsWith("OMX.google.");
             mCodec = codec;
             mInputProcessor = new InputProcessor();
             final boolean renderToSurface = surface != null;
@@ -477,6 +479,11 @@ import org.mozilla.gecko.gfx.GeckoSurface;
         return mIsAdaptivePlaybackSupported;
     }
 
+    @Override
+    public synchronized boolean isHardwareAccelerated() {
+        return mIsHardwareAccelerated;
+    }
+
     @Override
     public synchronized boolean isTunneledPlaybackSupported() {
         return mIsTunneledPlaybackSupported;

mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/CodecProxy.java

@@ -191,6 +191,21 @@ public final class CodecProxy {
         }
     }
 
+    @WrapForJNI
+    public synchronized boolean isHardwareAccelerated()
+    {
+      if (mRemote == null) {
+          Log.e(LOGTAG, "cannot check isHardwareAccelerated with an ended codec");
+          return false;
+      }
+      try {
+            return mRemote.isHardwareAccelerated();
+        } catch (RemoteException e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
     @WrapForJNI
     public synchronized boolean isTunneledPlaybackSupported()
     {