зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.6 KiB
C++
63 строки
1.6 KiB
C++
/* 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 MEDIAENGINE_H_
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#define MEDIAENGINE_H_
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#include "DOMMediaStream.h"
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#include "MediaEventSource.h"
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#include "MediaTrackGraph.h"
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#include "MediaTrackConstraints.h"
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#include "mozilla/dom/MediaStreamTrackBinding.h"
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#include "mozilla/dom/VideoStreamTrack.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/ThreadSafeWeakPtr.h"
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namespace mozilla {
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namespace dom {
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class Blob;
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} // namespace dom
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class AllocationHandle;
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class MediaEngineSource;
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enum MediaSinkEnum {
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Speaker,
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Other,
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};
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enum { kVideoTrack = 1, kAudioTrack = 2, kTrackCount };
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class MediaEngine {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MediaEngine)
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NS_DECL_OWNINGEVENTTARGET
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void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(MediaEngine); }
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/**
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* Populate an array of sources of the requested type in the nsTArray.
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* Also include devices that are currently unavailable.
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*/
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virtual void EnumerateDevices(uint64_t aWindowId, dom::MediaSourceEnum,
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MediaSinkEnum,
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nsTArray<RefPtr<MediaDevice>>*) = 0;
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virtual void Shutdown() = 0;
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virtual void SetFakeDeviceChangeEventsEnabled(bool aEnable) {
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MOZ_DIAGNOSTIC_ASSERT(false, "Fake events may not have started/stopped");
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}
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virtual MediaEventSource<void>& DeviceListChangeEvent() = 0;
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protected:
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virtual ~MediaEngine() = default;
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};
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} // namespace mozilla
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#endif /* MEDIAENGINE_H_ */
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