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1 /* | 1 /* |
2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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25 #include "webrtc/pc/statscollector.h" | 25 #include "webrtc/pc/statscollector.h" |
26 #include "webrtc/pc/streamcollection.h" | 26 #include "webrtc/pc/streamcollection.h" |
27 #include "webrtc/pc/webrtcsession.h" | 27 #include "webrtc/pc/webrtcsession.h" |
28 | 28 |
29 namespace webrtc { | 29 namespace webrtc { |
30 | 30 |
31 class MediaStreamObserver; | 31 class MediaStreamObserver; |
32 class VideoRtpReceiver; | 32 class VideoRtpReceiver; |
33 class RtcEventLog; | 33 class RtcEventLog; |
34 | 34 |
35 // Populates |session_options| from |rtc_options|, and returns true if options | 35 // TODO(zhihuang): Remove this declaration when the WebRtcSession tests don't |
36 // are valid. | 36 // need it. |
37 // |session_options|->transport_options map entries must exist in order for | 37 void ExtractSharedMediaSessionOptions( |
38 // them to be populated from |rtc_options|. | |
39 bool ExtractMediaSessionOptions( | |
40 const PeerConnectionInterface::RTCOfferAnswerOptions& rtc_options, | 38 const PeerConnectionInterface::RTCOfferAnswerOptions& rtc_options, |
41 bool is_offer, | |
42 cricket::MediaSessionOptions* session_options); | 39 cricket::MediaSessionOptions* session_options); |
43 | 40 |
44 // Populates |session_options| from |constraints|, and returns true if all | |
45 // mandatory constraints are satisfied. | |
46 // Assumes that |session_options|->transport_options map entries exist. | |
47 // Will also set defaults if corresponding constraints are not present: | |
48 // recv_audio=true, recv_video=true, bundle_enabled=true. | |
49 // Other fields will be left with existing values. | |
50 // | |
51 // Deprecated. Will be removed once callers that use constraints are gone. | |
52 // TODO(hta): Remove when callers are gone. | |
53 // https://bugs.chromium.org/p/webrtc/issues/detail?id=5617 | |
54 bool ParseConstraintsForAnswer(const MediaConstraintsInterface* constraints, | |
55 cricket::MediaSessionOptions* session_options); | |
56 | |
57 // PeerConnection implements the PeerConnectionInterface interface. | 41 // PeerConnection implements the PeerConnectionInterface interface. |
58 // It uses WebRtcSession to implement the PeerConnection functionality. | 42 // It uses WebRtcSession to implement the PeerConnection functionality. |
59 class PeerConnection : public PeerConnectionInterface, | 43 class PeerConnection : public PeerConnectionInterface, |
60 public IceObserver, | 44 public IceObserver, |
61 public rtc::MessageHandler, | 45 public rtc::MessageHandler, |
62 public sigslot::has_slots<> { | 46 public sigslot::has_slots<> { |
63 public: | 47 public: |
64 explicit PeerConnection(PeerConnectionFactory* factory, | 48 explicit PeerConnection(PeerConnectionFactory* factory, |
65 std::unique_ptr<RtcEventLog> event_log, | 49 std::unique_ptr<RtcEventLog> event_log, |
66 std::unique_ptr<Call> call); | 50 std::unique_ptr<Call> call); |
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237 void PostCreateSessionDescriptionFailure( | 221 void PostCreateSessionDescriptionFailure( |
238 CreateSessionDescriptionObserver* observer, | 222 CreateSessionDescriptionObserver* observer, |
239 const std::string& error); | 223 const std::string& error); |
240 | 224 |
241 bool IsClosed() const { | 225 bool IsClosed() const { |
242 return signaling_state_ == PeerConnectionInterface::kClosed; | 226 return signaling_state_ == PeerConnectionInterface::kClosed; |
243 } | 227 } |
244 | 228 |
245 // Returns a MediaSessionOptions struct with options decided by |options|, | 229 // Returns a MediaSessionOptions struct with options decided by |options|, |
246 // the local MediaStreams and DataChannels. | 230 // the local MediaStreams and DataChannels. |
247 virtual bool GetOptionsForOffer( | 231 void GetOptionsForOffer( |
248 const PeerConnectionInterface::RTCOfferAnswerOptions& rtc_options, | 232 const PeerConnectionInterface::RTCOfferAnswerOptions& rtc_options, |
249 cricket::MediaSessionOptions* session_options); | 233 cricket::MediaSessionOptions* session_options); |
250 | 234 |
251 // Returns a MediaSessionOptions struct with options decided by | 235 // Returns a MediaSessionOptions struct with options decided by |
252 // |constraints|, the local MediaStreams and DataChannels. | 236 // |constraints|, the local MediaStreams and DataChannels. |
253 // Deprecated, use version without constraints. | 237 void GetOptionsForAnswer(const RTCOfferAnswerOptions& options, |
254 virtual bool GetOptionsForAnswer( | 238 cricket::MediaSessionOptions* session_options); |
255 const MediaConstraintsInterface* constraints, | |
256 cricket::MediaSessionOptions* session_options); | |
257 virtual bool GetOptionsForAnswer( | |
258 const RTCOfferAnswerOptions& options, | |
259 cricket::MediaSessionOptions* session_options); | |
260 | 239 |
261 void InitializeOptionsForAnswer( | 240 // Generates MediaDescriptionOptions for the |session_opts| based on existing |
262 cricket::MediaSessionOptions* session_options); | 241 // local description or remote description. |
263 | 242 void GenerateMediaDescriptionOptions( |
264 // Helper function for options processing. | 243 const SessionDescriptionInterface* session_desc, |
265 // Deprecated. | 244 cricket::RtpTransceiverDirection audio_direction, |
266 virtual void FinishOptionsForAnswer( | 245 cricket::RtpTransceiverDirection video_direction, |
| 246 rtc::Optional<size_t>* audio_index, |
| 247 rtc::Optional<size_t>* video_index, |
| 248 rtc::Optional<size_t>* data_index, |
267 cricket::MediaSessionOptions* session_options); | 249 cricket::MediaSessionOptions* session_options); |
268 | 250 |
269 // Remove all local and remote tracks of type |media_type|. | 251 // Remove all local and remote tracks of type |media_type|. |
270 // Called when a media type is rejected (m-line set to port 0). | 252 // Called when a media type is rejected (m-line set to port 0). |
271 void RemoveTracks(cricket::MediaType media_type); | 253 void RemoveTracks(cricket::MediaType media_type); |
272 | 254 |
273 // Makes sure a MediaStreamTrack is created for each StreamParam in |streams|, | 255 // Makes sure a MediaStreamTrack is created for each StreamParam in |streams|, |
274 // and existing MediaStreamTracks are removed if there is no corresponding | 256 // and existing MediaStreamTracks are removed if there is no corresponding |
275 // StreamParam. If |default_track_needed| is true, a default MediaStreamTrack | 257 // StreamParam. If |default_track_needed| is true, a default MediaStreamTrack |
276 // is created if it doesn't exist; if false, it's removed if it exists. | 258 // is created if it doesn't exist; if false, it's removed if it exists. |
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354 void OnVoiceChannelDestroyed(); | 336 void OnVoiceChannelDestroyed(); |
355 void OnVideoChannelCreated(); | 337 void OnVideoChannelCreated(); |
356 void OnVideoChannelDestroyed(); | 338 void OnVideoChannelDestroyed(); |
357 void OnDataChannelCreated(); | 339 void OnDataChannelCreated(); |
358 void OnDataChannelDestroyed(); | 340 void OnDataChannelDestroyed(); |
359 // Called when the cricket::DataChannel receives a message indicating that a | 341 // Called when the cricket::DataChannel receives a message indicating that a |
360 // webrtc::DataChannel should be opened. | 342 // webrtc::DataChannel should be opened. |
361 void OnDataChannelOpenMessage(const std::string& label, | 343 void OnDataChannelOpenMessage(const std::string& label, |
362 const InternalDataChannelInit& config); | 344 const InternalDataChannelInit& config); |
363 | 345 |
| 346 bool HasRtpSender(cricket::MediaType type) const; |
364 RtpSenderInternal* FindSenderById(const std::string& id); | 347 RtpSenderInternal* FindSenderById(const std::string& id); |
365 | 348 |
366 std::vector<rtc::scoped_refptr< | 349 std::vector<rtc::scoped_refptr< |
367 RtpSenderProxyWithInternal<RtpSenderInternal>>>::iterator | 350 RtpSenderProxyWithInternal<RtpSenderInternal>>>::iterator |
368 FindSenderForTrack(MediaStreamTrackInterface* track); | 351 FindSenderForTrack(MediaStreamTrackInterface* track); |
369 std::vector<rtc::scoped_refptr< | 352 std::vector<rtc::scoped_refptr< |
370 RtpReceiverProxyWithInternal<RtpReceiverInternal>>>::iterator | 353 RtpReceiverProxyWithInternal<RtpReceiverInternal>>>::iterator |
371 FindReceiverForTrack(const std::string& track_id); | 354 FindReceiverForTrack(const std::string& track_id); |
372 | 355 |
373 TrackInfos* GetRemoteTracks(cricket::MediaType media_type); | 356 TrackInfos* GetRemoteTracks(cricket::MediaType media_type); |
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457 std::vector<rtc::scoped_refptr<RtpSenderProxyWithInternal<RtpSenderInternal>>> | 440 std::vector<rtc::scoped_refptr<RtpSenderProxyWithInternal<RtpSenderInternal>>> |
458 senders_; | 441 senders_; |
459 std::vector< | 442 std::vector< |
460 rtc::scoped_refptr<RtpReceiverProxyWithInternal<RtpReceiverInternal>>> | 443 rtc::scoped_refptr<RtpReceiverProxyWithInternal<RtpReceiverInternal>>> |
461 receivers_; | 444 receivers_; |
462 }; | 445 }; |
463 | 446 |
464 } // namespace webrtc | 447 } // namespace webrtc |
465 | 448 |
466 #endif // WEBRTC_PC_PEERCONNECTION_H_ | 449 #endif // WEBRTC_PC_PEERCONNECTION_H_ |
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