1 files changed, 59 insertions, 0 deletions
diff --git a/dom/media/webaudio/PeriodicWave.h b/dom/media/webaudio/PeriodicWave.h
new file mode 100644
index 0000000000..18408789a9
--- /dev/null
+++ b/dom/media/webaudio/PeriodicWave.h
@@ -0,0 +1,59 @@
+/* -*- 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 PeriodicWave_h_
+#define PeriodicWave_h_
+
+#include "nsWrapperCache.h"
+#include "nsCycleCollectionParticipant.h"
+#include "mozilla/Attributes.h"
+#include "AudioContext.h"
+#include "AudioNodeEngine.h"
+
+namespace mozilla::dom {
+
+class AudioContext;
+struct PeriodicWaveOptions;
+
+class PeriodicWave final : public nsWrapperCache {
+ public:
+  PeriodicWave(AudioContext* aContext, const float* aRealData,
+               const uint32_t aRealSize, const float* aImagData,
+               const uint32_t aImagSize, const bool aDisableNormalization,
+               ErrorResult& aRv);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PeriodicWave)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(PeriodicWave)
+
+  static already_AddRefed<PeriodicWave> Constructor(
+      const GlobalObject& aGlobal, AudioContext& aAudioContext,
+      const PeriodicWaveOptions& aOptions, ErrorResult& aRv);
+
+  AudioContext* GetParentObject() const { return mContext; }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  uint32_t DataLength() const { return mCoefficients.mDuration; }
+
+  bool DisableNormalization() const { return mDisableNormalization; }
+
+  const AudioChunk& GetThreadSharedBuffer() const { return mCoefficients; }
+
+  size_t SizeOfExcludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
+  size_t SizeOfIncludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  ~PeriodicWave() = default;
+
+  AudioChunk mCoefficients;
+  RefPtr<AudioContext> mContext;
+  bool mDisableNormalization;
+};
+
+}  // namespace mozilla::dom
+
+#endif