1 files changed, 72 insertions, 0 deletions
diff --git a/dom/media/webaudio/ChannelSplitterNode.h b/dom/media/webaudio/ChannelSplitterNode.h
new file mode 100644
index 0000000000..c13eaa8f22
--- /dev/null
+++ b/dom/media/webaudio/ChannelSplitterNode.h
@@ -0,0 +1,72 @@
+/* -*- 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 ChannelSplitterNode_h_
+#define ChannelSplitterNode_h_
+
+#include "AudioNode.h"
+
+namespace mozilla::dom {
+
+class AudioContext;
+struct ChannelSplitterOptions;
+
+class ChannelSplitterNode final : public AudioNode {
+ public:
+  static already_AddRefed<ChannelSplitterNode> Create(
+      AudioContext& aAudioContext, const ChannelSplitterOptions& aOptions,
+      ErrorResult& aRv);
+
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(ChannelSplitterNode, AudioNode)
+
+  static already_AddRefed<ChannelSplitterNode> Constructor(
+      const GlobalObject& aGlobal, AudioContext& aAudioContext,
+      const ChannelSplitterOptions& aOptions, ErrorResult& aRv) {
+    return Create(aAudioContext, aOptions, aRv);
+  }
+
+  void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) override {
+    if (aChannelCount != ChannelCount()) {
+      aRv.ThrowInvalidStateError(
+          "Cannot change channel count of ChannelSplitterNode");
+    }
+  }
+  void SetChannelCountModeValue(ChannelCountMode aMode,
+                                ErrorResult& aRv) override {
+    if (aMode != ChannelCountModeValue()) {
+      aRv.ThrowInvalidStateError(
+          "Cannot change channel count mode of ChannelSplitterNode");
+    }
+  }
+  void SetChannelInterpretationValue(ChannelInterpretation aMode,
+                                     ErrorResult& aRv) override {
+    if (aMode != ChannelInterpretationValue()) {
+      aRv.ThrowInvalidStateError(
+          "Cannot change channel interpretation of ChannelSplitterNode");
+    }
+  }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  uint16_t NumberOfOutputs() const override { return mOutputCount; }
+
+  const char* NodeType() const override { return "ChannelSplitterNode"; }
+
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override {
+    return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
+  }
+
+ private:
+  ChannelSplitterNode(AudioContext* aContext, uint16_t aOutputCount);
+  ~ChannelSplitterNode() = default;
+
+  const uint16_t mOutputCount;
+};
+
+}  // namespace mozilla::dom
+
+#endif