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| 1 /* |
| 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
| 3 * |
| 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 |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_API_TRACKMEDIAINFOMAP_H_ |
| 12 #define WEBRTC_API_TRACKMEDIAINFOMAP_H_ |
| 13 |
| 14 #include <map> |
| 15 #include <memory> |
| 16 #include <vector> |
| 17 |
| 18 #include "webrtc/api/mediastreaminterface.h" |
| 19 #include "webrtc/api/rtpreceiverinterface.h" |
| 20 #include "webrtc/api/rtpsenderinterface.h" |
| 21 #include "webrtc/base/refcount.h" |
| 22 #include "webrtc/media/base/mediachannel.h" |
| 23 |
| 24 namespace webrtc { |
| 25 |
| 26 // Audio/video tracks and sender/receiver statistical information are associated |
| 27 // with each other based on attachments to RTP senders/receivers. This class |
| 28 // maps that relationship, in both directions, so that stats about a track can |
| 29 // be retrieved on a per-attachment basis. |
| 30 // |
| 31 // An RTP sender/receiver sends or receives media for a set of SSRCs. The media |
| 32 // comes from an audio/video track that is attached to it. |
| 33 // |[Voice/Video][Sender/Receiver]Info| has statistical information for a set of |
| 34 // SSRCs. Looking at the RTP senders and receivers uncovers the track <-> info |
| 35 // relationships, which this class does. |
| 36 class TrackMediaInfoMap { |
| 37 public: |
| 38 TrackMediaInfoMap( |
| 39 std::unique_ptr<cricket::VoiceMediaInfo> voice_media_info, |
| 40 std::unique_ptr<cricket::VideoMediaInfo> video_media_info, |
| 41 const std::vector<rtc::scoped_refptr<RtpSenderInterface>>& rtp_senders, |
| 42 const std::vector<rtc::scoped_refptr<RtpReceiverInterface>>& |
| 43 rtp_receivers); |
| 44 |
| 45 const cricket::VoiceMediaInfo* voice_media_info() const { |
| 46 return voice_media_info_.get(); |
| 47 } |
| 48 const cricket::VideoMediaInfo* video_media_info() const { |
| 49 return video_media_info_.get(); |
| 50 } |
| 51 |
| 52 const std::vector<cricket::VoiceSenderInfo*>* GetVoiceSenderInfos( |
| 53 const AudioTrackInterface& local_audio_track) const; |
| 54 const cricket::VoiceReceiverInfo* GetVoiceReceiverInfo( |
| 55 const AudioTrackInterface& remote_audio_track) const; |
| 56 const std::vector<cricket::VideoSenderInfo*>* GetVideoSenderInfos( |
| 57 const VideoTrackInterface& local_video_track) const; |
| 58 const cricket::VideoReceiverInfo* GetVideoReceiverInfo( |
| 59 const VideoTrackInterface& remote_video_track) const; |
| 60 |
| 61 rtc::scoped_refptr<AudioTrackInterface> GetAudioTrack( |
| 62 const cricket::VoiceSenderInfo& voice_sender_info) const; |
| 63 rtc::scoped_refptr<AudioTrackInterface> GetAudioTrack( |
| 64 const cricket::VoiceReceiverInfo& voice_receiver_info) const; |
| 65 rtc::scoped_refptr<VideoTrackInterface> GetVideoTrack( |
| 66 const cricket::VideoSenderInfo& video_sender_info) const; |
| 67 rtc::scoped_refptr<VideoTrackInterface> GetVideoTrack( |
| 68 const cricket::VideoReceiverInfo& video_receiver_info) const; |
| 69 |
| 70 private: |
| 71 std::unique_ptr<cricket::VoiceMediaInfo> voice_media_info_; |
| 72 std::unique_ptr<cricket::VideoMediaInfo> video_media_info_; |
| 73 // These maps map tracks (identified by a pointer) to their corresponding info |
| 74 // object of the correct kind. One track can map to multiple info objects. |
| 75 std::map<const AudioTrackInterface*, std::vector<cricket::VoiceSenderInfo*>> |
| 76 voice_infos_by_local_track_; |
| 77 std::map<const AudioTrackInterface*, cricket::VoiceReceiverInfo*> |
| 78 voice_info_by_remote_track_; |
| 79 std::map<const VideoTrackInterface*, std::vector<cricket::VideoSenderInfo*>> |
| 80 video_infos_by_local_track_; |
| 81 std::map<const VideoTrackInterface*, cricket::VideoReceiverInfo*> |
| 82 video_info_by_remote_track_; |
| 83 // These maps map info objects to their corresponding tracks. They are always |
| 84 // the inverse of the maps above. One info object always maps to only one |
| 85 // track. |
| 86 std::map<const cricket::VoiceSenderInfo*, |
| 87 rtc::scoped_refptr<AudioTrackInterface>> audio_track_by_sender_info_; |
| 88 std::map<const cricket::VoiceReceiverInfo*, |
| 89 rtc::scoped_refptr<AudioTrackInterface>> audio_track_by_receiver_info_; |
| 90 std::map<const cricket::VideoSenderInfo*, |
| 91 rtc::scoped_refptr<VideoTrackInterface>> video_track_by_sender_info_; |
| 92 std::map<const cricket::VideoReceiverInfo*, |
| 93 rtc::scoped_refptr<VideoTrackInterface>> video_track_by_receiver_info_; |
| 94 }; |
| 95 |
| 96 } // namespace webrtc |
| 97 |
| 98 #endif // WEBRTC_API_TRACKMEDIAINFOMAP_H_ |
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