dom/media/webaudio/MediaStreamAudioDestinationNode.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef MediaStreamAudioDestinationNode_h_
   8 #define MediaStreamAudioDestinationNode_h_
   9
  10 #include "AudioNode.h"
  11
  12 namespace mozilla::dom {
  13
  14 class AudioContext;
  15 struct AudioNodeOptions;
  16
  17 class MediaStreamAudioDestinationNode final : public AudioNode {
  18  public:
  19   static already_AddRefed<MediaStreamAudioDestinationNode> Create(
  20       AudioContext& aAudioContext, const AudioNodeOptions& aOptions,
  21       ErrorResult& aRv);
  22
  23   NS_DECL_ISUPPORTS_INHERITED
  24   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaStreamAudioDestinationNode,
  25                                            AudioNode)
  26
  27   static already_AddRefed<MediaStreamAudioDestinationNode> Constructor(
  28       const GlobalObject& aGlobal, AudioContext& aAudioContext,
  29       const AudioNodeOptions& aOptions, ErrorResult& aRv) {
  30     return Create(aAudioContext, aOptions, aRv);
  31   }
  32
  33   JSObject* WrapObject(JSContext* aCx,
  34                        JS::Handle<JSObject*> aGivenProto) override;
  35
  36   uint16_t NumberOfOutputs() const final { return 0; }
  37
  38   void DestroyMediaTrack() override;
  39
  40   DOMMediaStream* DOMStream() const { return mDOMStream; }
  41
  42   const char* NodeType() const override {
  43     return "MediaStreamAudioDestinationNode";
  44   }
  45
  46   size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
  47   size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
  48
  49  private:
  50   explicit MediaStreamAudioDestinationNode(AudioContext* aContext);
  51   ~MediaStreamAudioDestinationNode() = default;
  52
  53   RefPtr<DOMMediaStream> mDOMStream;
  54 };
  55
  56 }  // namespace mozilla::dom
  57
  58 #endif