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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/StateMirroring.h"
#include "mozilla/Maybe.h"
#include "js/RootingAPI.h"
#include "libwebrtcglue/MediaConduitInterface.h"
#include "libwebrtcglue/RtpRtcpConfig.h"
#include "nsTArray.h"
#include "mozilla/dom/RTCStatsReportBinding.h"
#include "PerformanceRecorder.h"
#include "RTCStatsReport.h"
#include <vector>
class nsPIDOMWindowInner;
namespace mozilla {
class MediaPipelineReceive;
class MediaSessionConduit;
class MediaTransportHandler;
class JsepTransceiver;
class PeerConnectionImpl;
namespace dom {
class MediaStreamTrack;
class Promise;
class RTCDtlsTransport;
struct RTCRtpContributingSource;
struct RTCRtpSynchronizationSource;
class RTCRtpTransceiver;
class RTCRtpReceiver : public nsISupports, public nsWrapperCache {
public:
RTCRtpReceiver(nsPIDOMWindowInner* aWindow, bool aPrivacyNeeded,
PeerConnectionImpl* aPc,
MediaTransportHandler* aTransportHandler,
AbstractThread* aCallThread, nsISerialEventTarget* aStsThread,
MediaSessionConduit* aConduit, RTCRtpTransceiver* aTransceiver,
const TrackingId& aTrackingId);
// nsISupports
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(RTCRtpReceiver)
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// webidl
MediaStreamTrack* Track() const { return mTrack; }
RTCDtlsTransport* GetTransport() const;
already_AddRefed<Promise> GetStats(ErrorResult& aError);
void GetContributingSources(
nsTArray<dom::RTCRtpContributingSource>& aSources);
void GetSynchronizationSources(
nsTArray<dom::RTCRtpSynchronizationSource>& aSources);
// 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(
bool aSkipIceStats = false);
void Shutdown();
void BreakCycles();
void Stop();
void Start();
bool HasTrack(const dom::MediaStreamTrack* aTrack) const;
void SyncToJsep(JsepTransceiver& aJsepTransceiver) const;
void SyncFromJsep(const JsepTransceiver& aJsepTransceiver);
const std::vector<std::string>& GetStreamIds() const { return mStreamIds; }
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();
void UpdateConduit();
// This is called when we set a remote description; may be an offer or answer.
void UpdateStreams(StreamAssociationChanges* aChanges);
void OnRtcpBye();
void OnRtcpTimeout();
void SetReceiveTrackMuted(bool aMuted);
AbstractCanonical<Ssrc>* CanonicalSsrc() { return &mSsrc; }
AbstractCanonical<Ssrc>* CanonicalVideoRtxSsrc() { return &mVideoRtxSsrc; }
AbstractCanonical<RtpExtList>* CanonicalLocalRtpExtensions() {
return &mLocalRtpExtensions;
}
AbstractCanonical<std::vector<AudioCodecConfig>>* CanonicalAudioCodecs() {
return &mAudioCodecs;
}
AbstractCanonical<std::vector<VideoCodecConfig>>* CanonicalVideoCodecs() {
return &mVideoCodecs;
}
AbstractCanonical<Maybe<RtpRtcpConfig>>* CanonicalVideoRtpRtcpConfig() {
return &mVideoRtpRtcpConfig;
}
AbstractCanonical<bool>* CanonicalReceiving() { return &mReceiving; }
private:
virtual ~RTCRtpReceiver();
void UpdateVideoConduit();
void UpdateAudioConduit();
std::string GetMid() const;
JsepTransceiver& GetJsepTransceiver();
const JsepTransceiver& GetJsepTransceiver() const;
nsCOMPtr<nsPIDOMWindowInner> mWindow;
RefPtr<PeerConnectionImpl> mPc;
bool mHaveStartedReceiving = false;
bool mHaveSetupTransport = false;
RefPtr<AbstractThread> mCallThread;
nsCOMPtr<nsISerialEventTarget> mStsThread;
RefPtr<dom::MediaStreamTrack> mTrack;
RefPtr<MediaPipelineReceive> mPipeline;
RefPtr<MediaTransportHandler> mTransportHandler;
RefPtr<RTCRtpTransceiver> mTransceiver;
// 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;
MediaEventListener mRtcpByeListener;
MediaEventListener mRtcpTimeoutListener;
Canonical<Ssrc> mSsrc;
Canonical<Ssrc> mVideoRtxSsrc;
Canonical<RtpExtList> mLocalRtpExtensions;
Canonical<std::vector<AudioCodecConfig>> mAudioCodecs;
Canonical<std::vector<VideoCodecConfig>> mVideoCodecs;
Canonical<Maybe<RtpRtcpConfig>> mVideoRtpRtcpConfig;
Canonical<bool> mReceiving;
};
} // namespace dom
} // namespace mozilla
#endif // _RTCRtpReceiver_h_
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