--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -495,16 +495,26 @@ public:
   {
     mMaster->PushVideo(aVideo);
     MaybeFinishDecodeFirstFrame();
   }
 
   void HandleAudioNotDecoded(const MediaResult& aError) override;
   void HandleVideoNotDecoded(const MediaResult& aError) override;
 
+  void HandleAudioWaited(MediaData::Type aType) override
+  {
+    mMaster->RequestAudioData();
+  }
+
+  void HandleVideoWaited(MediaData::Type aType) override
+  {
+    mMaster->RequestVideoData(false, media::TimeUnit());
+  }
+
   void HandleVideoSuspendTimeout() override
   {
     // Do nothing for we need to decode the 1st video frame to get the dimensions.
   }
 
   void HandleResumeVideoDecoding() override
   {
     // We never suspend video decoding in this state.