1 files changed, 68 insertions, 0 deletions
diff --git a/dom/media/webaudio/AudioWorkletNode.h b/dom/media/webaudio/AudioWorkletNode.h
new file mode 100644
index 0000000000..22e089f8cd
--- /dev/null
+++ b/dom/media/webaudio/AudioWorkletNode.h
@@ -0,0 +1,68 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+#ifndef AudioWorkletNode_h_
+#define AudioWorkletNode_h_
+
+#include "AudioNode.h"
+
+namespace mozilla::dom {
+
+class AudioParamMap;
+struct AudioWorkletNodeOptions;
+class MessagePort;
+struct NamedAudioParamTimeline;
+struct ProcessorErrorDetails;
+template <typename KeyType, typename ValueType>
+class Record;
+
+class AudioWorkletNode : public AudioNode {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioWorkletNode, AudioNode)
+
+  IMPL_EVENT_HANDLER(processorerror)
+
+  static already_AddRefed<AudioWorkletNode> Constructor(
+      const GlobalObject& aGlobal, AudioContext& aAudioContext,
+      const nsAString& aName, const AudioWorkletNodeOptions& aOptions,
+      ErrorResult& aRv);
+
+  AudioParamMap* GetParameters(ErrorResult& aRv);
+
+  MessagePort* Port() const { return mPort; };
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // AudioNode methods
+  uint16_t NumberOfInputs() const override { return mInputCount; }
+  uint16_t NumberOfOutputs() const override { return mOutputCount; }
+  const char* NodeType() const override { return "AudioWorkletNode"; }
+  void DispatchProcessorErrorEvent(const ProcessorErrorDetails& aDetails);
+
+  size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
+
+ private:
+  AudioWorkletNode(AudioContext* aAudioContext, const nsAString& aName,
+                   const AudioWorkletNodeOptions& aOptions);
+  ~AudioWorkletNode() = default;
+  void InitializeParameters(nsTArray<NamedAudioParamTimeline>* aParamTimelines,
+                            ErrorResult& aRv);
+  void SendParameterData(
+      const Optional<Record<nsString, double>>& aParameterData);
+
+  nsString mNodeName;
+  RefPtr<MessagePort> mPort;
+  RefPtr<AudioParamMap> mParameters;
+  uint16_t mInputCount;
+  uint16_t mOutputCount;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // AudioWorkletNode_h_