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/* 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 MEDIAENGINE_H_
#define MEDIAENGINE_H_
#include "DOMMediaStream.h"
#include "MediaEventSource.h"
#include "MediaTrackGraph.h"
#include "MediaTrackConstraints.h"
#include "mozilla/dom/MediaStreamTrackBinding.h"
#include "mozilla/dom/VideoStreamTrack.h"
#include "mozilla/RefPtr.h"
#include "mozilla/ThreadSafeWeakPtr.h"
namespace mozilla {
namespace dom {
class Blob;
} // namespace dom
class AllocationHandle;
class MediaDevice;
class MediaEngineSource;
enum MediaSinkEnum {
Speaker,
Other,
};
enum { kVideoTrack = 1, kAudioTrack = 2, kTrackCount };
class MediaEngine {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MediaEngine)
NS_DECL_OWNINGEVENTTARGET
void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(MediaEngine); }
/**
* Populate an array of sources of the requested type in the nsTArray.
* Also include devices that are currently unavailable.
*/
virtual void EnumerateDevices(dom::MediaSourceEnum, MediaSinkEnum,
nsTArray<RefPtr<MediaDevice>>*) = 0;
virtual void Shutdown() = 0;
virtual RefPtr<MediaEngineSource> CreateSource(
const MediaDevice* aDevice) = 0;
virtual MediaEventSource<void>& DeviceListChangeEvent() = 0;
/**
* Return true if devices returned from EnumerateDevices are emulated media
* devices.
*/
virtual bool IsFake() const = 0;
protected:
virtual ~MediaEngine() = default;
};
} // namespace mozilla
#endif /* MEDIAENGINE_H_ */
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