Bug 1595994 - P22. Show in which process decoding occurs in media devtools. r=mattwoodrow

Depends on D92745

Differential Revision: https://phabricator.services.mozilla.com/D92863

dom/media/ipc/RemoteDecoderChild.cpp

@@ -78,7 +78,11 @@ RefPtr<MediaDataDecoder::InitPromise> RemoteDecoderChild::Init() {
               return;
             }
             const auto& initResponse = aResponse.get_InitCompletionIPDL();
-            mDescription = initResponse.decoderDescription();
+            mDescription =
+                initResponse.decoderDescription() +
+                (GetManager()->Location() == RemoteDecodeIn::RddProcess
+                     ? " (RDD remote)"_ns
+                     : " (GPU remote)"_ns);
             mIsHardwareAccelerated = initResponse.hardware();
             mHardwareAcceleratedReason = initResponse.hardwareReason();
             mConversion = initResponse.conversion();

dom/media/ipc/RemoteDecoderManagerChild.h

@@ -78,6 +78,7 @@ class RemoteDecoderManagerChild final
   // called from the manager thread.
   void RunWhenGPUProcessRecreated(already_AddRefed<Runnable> aTask);
 
+  RemoteDecodeIn Location() const { return mLocation; }
   layers::VideoBridgeSource GetSource() const;
 
  protected:

dom/media/ipc/RemoteMediaDataDecoder.cpp

@@ -34,7 +34,7 @@ RefPtr<MediaDataDecoder::InitPromise> RemoteMediaDataDecoder::Init() {
               return InitPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_CANCELED,
                                                   __func__);
             }
-            mDescription = mChild->GetDescriptionName() + " (remote)"_ns;
+            mDescription = mChild->GetDescriptionName();
             mIsHardwareAccelerated =
                 mChild->IsHardwareAccelerated(mHardwareAcceleratedReason);
             mConversion = mChild->NeedsConversion();