1 files changed, 71 insertions, 0 deletions
diff --git a/dom/media/webaudio/WaveShaperNode.h b/dom/media/webaudio/WaveShaperNode.h
new file mode 100644
index 0000000000..3c5d8c8ef4
--- /dev/null
+++ b/dom/media/webaudio/WaveShaperNode.h
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef WaveShaperNode_h_
+#define WaveShaperNode_h_
+
+#include "AudioNode.h"
+#include "mozilla/dom/WaveShaperNodeBinding.h"
+#include "mozilla/dom/TypedArray.h"
+
+namespace mozilla::dom {
+
+class AudioContext;
+struct WaveShaperOptions;
+
+class WaveShaperNode final : public AudioNode {
+ public:
+  static already_AddRefed<WaveShaperNode> Create(
+      AudioContext& aAudioContext, const WaveShaperOptions& aOptions,
+      ErrorResult& aRv);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(WaveShaperNode,
+                                                         AudioNode)
+
+  static already_AddRefed<WaveShaperNode> Constructor(
+      const GlobalObject& aGlobal, AudioContext& aAudioContext,
+      const WaveShaperOptions& aOptions, ErrorResult& aRv) {
+    return Create(aAudioContext, aOptions, aRv);
+  }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  void GetCurve(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval);
+  void SetCurve(const Nullable<Float32Array>& aData, ErrorResult& aRv);
+
+  OverSampleType Oversample() const { return mType; }
+  void SetOversample(OverSampleType aType);
+
+  size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override {
+    // Possibly track in the future:
+    // - mCurve
+    return AudioNode::SizeOfExcludingThis(aMallocSizeOf);
+  }
+
+  const char* NodeType() const override { return "WaveShaperNode"; }
+
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override {
+    return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
+  }
+
+ private:
+  explicit WaveShaperNode(AudioContext* aContext);
+  ~WaveShaperNode() = default;
+
+  void SetCurveInternal(const nsTArray<float>& aCurve, ErrorResult& aRv);
+  void CleanCurveInternal();
+
+  void SendCurveToTrack();
+
+  nsTArray<float> mCurve;
+  OverSampleType mType;
+};
+
+}  // namespace mozilla::dom
+
+#endif