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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/webaudio/MediaStreamTrackAudioSourceNode.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webaudio/MediaStreamTrackAudioSourceNode.h')
-rw-r--r-- | dom/media/webaudio/MediaStreamTrackAudioSourceNode.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/dom/media/webaudio/MediaStreamTrackAudioSourceNode.h b/dom/media/webaudio/MediaStreamTrackAudioSourceNode.h new file mode 100644 index 0000000000..bb3d5d6c94 --- /dev/null +++ b/dom/media/webaudio/MediaStreamTrackAudioSourceNode.h @@ -0,0 +1,113 @@ +/* -*- 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 http://mozilla.org/MPL/2.0/. */ + +#ifndef MediaStreamTrackAudioSourceNode_h_ +#define MediaStreamTrackAudioSourceNode_h_ + +#include "AudioNode.h" +#include "AudioNodeEngine.h" +#include "mozilla/dom/MediaStreamTrack.h" +#include "mozilla/WeakPtr.h" +#include "PrincipalChangeObserver.h" + +namespace mozilla::dom { + +class AudioContext; +struct MediaStreamTrackAudioSourceOptions; + +class MediaStreamTrackAudioSourceNodeEngine final : public AudioNodeEngine { + public: + explicit MediaStreamTrackAudioSourceNodeEngine(AudioNode* aNode) + : AudioNodeEngine(aNode), mEnabled(false) {} + + bool IsEnabled() const { return mEnabled; } + enum Parameters { ENABLE }; + void SetInt32Parameter(uint32_t aIndex, int32_t aValue) override { + switch (aIndex) { + case ENABLE: + mEnabled = !!aValue; + break; + default: + NS_ERROR("MediaStreamTrackAudioSourceNodeEngine bad parameter index"); + } + } + + private: + bool mEnabled; +}; + +class MediaStreamTrackAudioSourceNode + : public AudioNode, + public PrincipalChangeObserver<MediaStreamTrack>, + public SupportsWeakPtr { + public: + static already_AddRefed<MediaStreamTrackAudioSourceNode> Create( + AudioContext& aContext, + const MediaStreamTrackAudioSourceOptions& aOptions, ErrorResult& aRv); + + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaStreamTrackAudioSourceNode, + AudioNode) + + static already_AddRefed<MediaStreamTrackAudioSourceNode> Constructor( + const GlobalObject& aGlobal, AudioContext& aAudioContext, + const MediaStreamTrackAudioSourceOptions& aOptions, ErrorResult& aRv) { + return Create(aAudioContext, aOptions, aRv); + } + + JSObject* WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) override; + + void DestroyMediaTrack() override; + + uint16_t NumberOfInputs() const override { return 0; } + + const char* NodeType() const override { + return "MediaStreamTrackAudioSourceNode"; + } + + virtual const char* CrossOriginErrorString() const { + return "MediaStreamTrackAudioSourceNodeCrossOrigin"; + } + + size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override; + size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override; + + // From PrincipalChangeObserver<MediaStreamTrack>. + void PrincipalChanged(MediaStreamTrack* aMediaStreamTrack) override; + + protected: + explicit MediaStreamTrackAudioSourceNode(AudioContext* aContext); + void Init(MediaStreamTrack* aMediaStreamTrack, ErrorResult& aRv); + void Destroy(); + virtual ~MediaStreamTrackAudioSourceNode(); + + class TrackListener : public MediaStreamTrackConsumer { + public: + explicit TrackListener(MediaStreamTrackAudioSourceNode* aNode) + : mNode(aNode) {} + + void NotifyEnded(MediaStreamTrack* aTrack) override { + if (mNode) { + mNode->MarkInactive(); + mNode->DestroyMediaTrack(); + mNode = nullptr; + } + } + + private: + WeakPtr<MediaStreamTrackAudioSourceNode> mNode; + }; + + private: + RefPtr<MediaInputPort> mInputPort; + RefPtr<MediaStreamTrack> mInputTrack; + TrackListener mTrackListener; +}; + +} // namespace mozilla::dom + +#endif |