зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
2.0 KiB
C++
57 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef AUDIOSTREAMTRACK_H_
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#define AUDIOSTREAMTRACK_H_
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#include "MediaStreamTrack.h"
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#include "DOMMediaStream.h"
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#include "CrossGraphPort.h"
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#include "nsClassHashtable.h"
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namespace mozilla {
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namespace dom {
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class AudioStreamTrack : public MediaStreamTrack {
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public:
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AudioStreamTrack(
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nsPIDOMWindowInner* aWindow, mozilla::MediaTrack* aInputTrack,
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MediaStreamTrackSource* aSource,
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MediaStreamTrackState aReadyState = MediaStreamTrackState::Live,
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bool aMuted = false,
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const MediaTrackConstraints& aConstraints = MediaTrackConstraints())
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: MediaStreamTrack(aWindow, aInputTrack, aSource, aReadyState, aMuted,
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aConstraints) {}
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AudioStreamTrack* AsAudioStreamTrack() override { return this; }
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const AudioStreamTrack* AsAudioStreamTrack() const override { return this; }
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void AddAudioOutput(void* aKey);
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void RemoveAudioOutput(void* aKey);
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void SetAudioOutputVolume(void* aKey, float aVolume);
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RefPtr<GenericPromise> SetAudioOutputDevice(void* key,
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AudioDeviceInfo* aSink);
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// WebIDL
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void GetKind(nsAString& aKind) override { aKind.AssignLiteral("audio"); }
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void GetLabel(nsAString& aLabel, CallerType aCallerType) override;
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protected:
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already_AddRefed<MediaStreamTrack> CloneInternal() override;
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void SetReadyState(MediaStreamTrackState aState) override;
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private:
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// Track CrossGraphPort per AudioOutput key. This is required in order to
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// redirect all AudioOutput requests (add, remove, set volume) to the
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// receiver track which, belonging to the remote graph. MainThread only.
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nsClassHashtable<nsPtrHashKey<void>, UniquePtr<CrossGraphPort>> mCrossGraphs;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* AUDIOSTREAMTRACK_H_ */
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