diff --git a/content/media/webaudio/AudioNode.cpp b/content/media/webaudio/AudioNode.cpp
index 424fe98c0d5..6f660c7db8b 100644
--- a/content/media/webaudio/AudioNode.cpp
+++ b/content/media/webaudio/AudioNode.cpp
@@ -175,6 +175,30 @@ AudioNode::Connect(AudioNode& aDestination, uint32_t aOutput,
   }
 }
 
+void
+AudioNode::SendDoubleParameterToStream(uint32_t aIndex, double aValue)
+{
+  AudioNodeStream* ns = static_cast<AudioNodeStream*>(mStream.get());
+  MOZ_ASSERT(ns, "How come we don't have a stream here?");
+  ns->SetDoubleParameter(aIndex, aValue);
+}
+
+void
+AudioNode::SendInt32ParameterToStream(uint32_t aIndex, int32_t aValue)
+{
+  AudioNodeStream* ns = static_cast<AudioNodeStream*>(mStream.get());
+  MOZ_ASSERT(ns, "How come we don't have a stream here?");
+  ns->SetInt32Parameter(aIndex, aValue);
+}
+
+void
+AudioNode::SendThreeDPointParameterToStream(uint32_t aIndex, const ThreeDPoint& aValue)
+{
+  AudioNodeStream* ns = static_cast<AudioNodeStream*>(mStream.get());
+  MOZ_ASSERT(ns, "How come we don't have a stream here?");
+  ns->SetThreeDPointParameter(aIndex, aValue);
+}
+
 void
 AudioNode::Disconnect(uint32_t aOutput, ErrorResult& aRv)
 {
diff --git a/content/media/webaudio/AudioNode.h b/content/media/webaudio/AudioNode.h
index 418d95d0b16..e20aa48be28 100644
--- a/content/media/webaudio/AudioNode.h
+++ b/content/media/webaudio/AudioNode.h
@@ -23,6 +23,8 @@ class ErrorResult;
 
 namespace dom {
 
+struct ThreeDPoint;
+
 /**
  * The DOM object representing a Web Audio AudioNode.
  *
@@ -135,6 +137,11 @@ public:
 protected:
   static void Callback(AudioNode* aNode) { /* not implemented */ }
 
+  // Helpers for sending different value types to streams
+  void SendDoubleParameterToStream(uint32_t aIndex, double aValue);
+  void SendInt32ParameterToStream(uint32_t aIndex, int32_t aValue);
+  void SendThreeDPointParameterToStream(uint32_t aIndex, const ThreeDPoint& aValue);
+
 private:
   nsRefPtr<AudioContext> mContext;