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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 _RTCRtpReceiver_h_
#define _RTCRtpReceiver_h_
#include "nsISupports.h"
#include "nsWrapperCache.h"
#include "mozilla/RefPtr.h"
#include "mozilla/Maybe.h"
#include "js/RootingAPI.h"
#include "nsTArray.h"
#include "mozilla/dom/RTCStatsReportBinding.h"
#include "RTCStatsReport.h"
#include "libwebrtcglue/RtcpEventObserver.h"
#include <vector>
class nsPIDOMWindowInner;
namespace mozilla {
class MediaPipelineReceive;
class MediaSessionConduit;
class MediaTransportHandler;
class JsepTransceiver;
class TransceiverImpl;
namespace dom {
class MediaStreamTrack;
class Promise;
class RTCDtlsTransport;
struct RTCRtpContributingSource;
struct RTCRtpSynchronizationSource;
class RTCRtpReceiver : public nsISupports,
public nsWrapperCache,
public RtcpEventObserver {
public:
explicit RTCRtpReceiver(nsPIDOMWindowInner* aWindow, bool aPrivacyNeeded,
const std::string& aPCHandle,
MediaTransportHandler* aTransportHandler,
JsepTransceiver* aJsepTransceiver,
nsISerialEventTarget* aMainThread,
nsISerialEventTarget* aStsThread,
MediaSessionConduit* aConduit,
TransceiverImpl* aTransceiverImpl);
// nsISupports
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(RTCRtpReceiver)
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// webidl
MediaStreamTrack* Track() const { return mTrack; }
RTCDtlsTransport* GetTransport() const;
already_AddRefed<Promise> GetStats();
void GetContributingSources(
nsTArray<dom::RTCRtpContributingSource>& aSources);
void GetSynchronizationSources(
nsTArray<dom::RTCRtpSynchronizationSource>& aSources);
// test-only: called from simulcast mochitests.
void MozAddRIDExtension(unsigned short aExtensionId);
void MozAddRIDFilter(const nsAString& aRid);
// test-only: insert fake CSRCs and audio levels for testing
void MozInsertAudioLevelForContributingSource(
const uint32_t aSource, const DOMHighResTimeStamp aTimestamp,
const uint32_t aRtpTimestamp, const bool aHasLevel, const uint8_t aLevel);
nsPIDOMWindowInner* GetParentObject() const;
nsTArray<RefPtr<RTCStatsPromise>> GetStatsInternal();
void Shutdown();
void Stop();
void Start();
bool HasTrack(const dom::MediaStreamTrack* aTrack) const;
struct StreamAssociation {
RefPtr<MediaStreamTrack> mTrack;
std::string mStreamId;
};
struct TrackEventInfo {
RefPtr<RTCRtpReceiver> mReceiver;
std::vector<std::string> mStreamIds;
};
struct StreamAssociationChanges {
std::vector<RefPtr<MediaStreamTrack>> mTracksToMute;
std::vector<StreamAssociation> mStreamAssociationsRemoved;
std::vector<StreamAssociation> mStreamAssociationsAdded;
std::vector<TrackEventInfo> mTrackEvents;
};
// This is called when we set an answer (ie; when the transport is finalized).
void UpdateTransport();
nsresult UpdateConduit();
// This is called when we set a remote description; may be an offer or answer.
void UpdateStreams(StreamAssociationChanges* aChanges);
void OnRtcpBye() override;
void OnRtcpTimeout() override;
void SetReceiveTrackMuted(bool aMuted);
private:
virtual ~RTCRtpReceiver();
nsresult UpdateVideoConduit();
nsresult UpdateAudioConduit();
std::string GetMid() const;
nsCOMPtr<nsPIDOMWindowInner> mWindow;
const std::string mPCHandle;
RefPtr<JsepTransceiver> mJsepTransceiver;
bool mHaveStartedReceiving = false;
bool mHaveSetupTransport = false;
nsCOMPtr<nsISerialEventTarget> mMainThread;
nsCOMPtr<nsISerialEventTarget> mStsThread;
RefPtr<dom::MediaStreamTrack> mTrack;
RefPtr<MediaPipelineReceive> mPipeline;
RefPtr<MediaTransportHandler> mTransportHandler;
RefPtr<TransceiverImpl> mTransceiverImpl;
// This is [[AssociatedRemoteMediaStreams]], basically. We do not keep the
// streams themselves here, because that would require this object to know
// where the stream list for the whole RTCPeerConnection lives..
std::vector<std::string> mStreamIds;
bool mRemoteSetSendBit = false;
};
} // namespace dom
} // namespace mozilla
#endif // _RTCRtpReceiver_h_
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