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      1 /*
      2  * libjingle
      3  * Copyright 2013, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  */
     28 
     29 #ifndef TALK_APP_WEBRTC_TEST_FAKEMEDIASTREAMSIGNALING_H_
     30 #define TALK_APP_WEBRTC_TEST_FAKEMEDIASTREAMSIGNALING_H_
     31 
     32 #include "talk/app/webrtc/audiotrack.h"
     33 #include "talk/app/webrtc/mediastreamsignaling.h"
     34 #include "talk/app/webrtc/videotrack.h"
     35 
     36 static const char kStream1[] = "stream1";
     37 static const char kVideoTrack1[] = "video1";
     38 static const char kAudioTrack1[] = "audio1";
     39 
     40 static const char kStream2[] = "stream2";
     41 static const char kVideoTrack2[] = "video2";
     42 static const char kAudioTrack2[] = "audio2";
     43 
     44 class FakeMediaStreamSignaling : public webrtc::MediaStreamSignaling,
     45                                  public webrtc::MediaStreamSignalingObserver {
     46  public:
     47   FakeMediaStreamSignaling() :
     48     webrtc::MediaStreamSignaling(talk_base::Thread::Current(), this) {
     49   }
     50 
     51   void SendAudioVideoStream1() {
     52     ClearLocalStreams();
     53     AddLocalStream(CreateStream(kStream1, kAudioTrack1, kVideoTrack1));
     54   }
     55 
     56   void SendAudioVideoStream2() {
     57     ClearLocalStreams();
     58     AddLocalStream(CreateStream(kStream2, kAudioTrack2, kVideoTrack2));
     59   }
     60 
     61   void SendAudioVideoStream1And2() {
     62     ClearLocalStreams();
     63     AddLocalStream(CreateStream(kStream1, kAudioTrack1, kVideoTrack1));
     64     AddLocalStream(CreateStream(kStream2, kAudioTrack2, kVideoTrack2));
     65   }
     66 
     67   void SendNothing() {
     68     ClearLocalStreams();
     69   }
     70 
     71   void UseOptionsAudioOnly() {
     72     ClearLocalStreams();
     73     AddLocalStream(CreateStream(kStream2, kAudioTrack2, ""));
     74   }
     75 
     76   void UseOptionsVideoOnly() {
     77     ClearLocalStreams();
     78     AddLocalStream(CreateStream(kStream2, "", kVideoTrack2));
     79   }
     80 
     81   void ClearLocalStreams() {
     82     while (local_streams()->count() != 0) {
     83       RemoveLocalStream(local_streams()->at(0));
     84     }
     85   }
     86 
     87   // Implements MediaStreamSignalingObserver.
     88   virtual void OnAddRemoteStream(webrtc::MediaStreamInterface* stream) {
     89   }
     90   virtual void OnRemoveRemoteStream(webrtc::MediaStreamInterface* stream) {
     91   }
     92   virtual void OnAddDataChannel(webrtc::DataChannelInterface* data_channel) {
     93   }
     94   virtual void OnAddLocalAudioTrack(webrtc::MediaStreamInterface* stream,
     95                                     webrtc::AudioTrackInterface* audio_track,
     96                                     uint32 ssrc) {
     97   }
     98   virtual void OnAddLocalVideoTrack(webrtc::MediaStreamInterface* stream,
     99                                     webrtc::VideoTrackInterface* video_track,
    100                                     uint32 ssrc) {
    101   }
    102   virtual void OnAddRemoteAudioTrack(webrtc::MediaStreamInterface* stream,
    103                                      webrtc::AudioTrackInterface* audio_track,
    104                                      uint32 ssrc) {
    105   }
    106 
    107   virtual void OnAddRemoteVideoTrack(webrtc::MediaStreamInterface* stream,
    108                                      webrtc::VideoTrackInterface* video_track,
    109                                      uint32 ssrc) {
    110   }
    111 
    112   virtual void OnRemoveRemoteAudioTrack(
    113       webrtc::MediaStreamInterface* stream,
    114       webrtc::AudioTrackInterface* audio_track) {
    115   }
    116 
    117   virtual void OnRemoveRemoteVideoTrack(
    118       webrtc::MediaStreamInterface* stream,
    119       webrtc::VideoTrackInterface* video_track) {
    120   }
    121 
    122   virtual void OnRemoveLocalAudioTrack(
    123       webrtc::MediaStreamInterface* stream,
    124       webrtc::AudioTrackInterface* audio_track) {
    125   }
    126   virtual void OnRemoveLocalVideoTrack(
    127       webrtc::MediaStreamInterface* stream,
    128       webrtc::VideoTrackInterface* video_track) {
    129   }
    130   virtual void OnRemoveLocalStream(webrtc::MediaStreamInterface* stream) {
    131   }
    132 
    133  private:
    134   talk_base::scoped_refptr<webrtc::MediaStreamInterface> CreateStream(
    135       const std::string& stream_label,
    136       const std::string& audio_track_id,
    137       const std::string& video_track_id) {
    138     talk_base::scoped_refptr<webrtc::MediaStreamInterface> stream(
    139         webrtc::MediaStream::Create(stream_label));
    140 
    141     if (!audio_track_id.empty()) {
    142       talk_base::scoped_refptr<webrtc::AudioTrackInterface> audio_track(
    143           webrtc::AudioTrack::Create(audio_track_id, NULL));
    144       stream->AddTrack(audio_track);
    145     }
    146 
    147     if (!video_track_id.empty()) {
    148       talk_base::scoped_refptr<webrtc::VideoTrackInterface> video_track(
    149           webrtc::VideoTrack::Create(video_track_id, NULL));
    150       stream->AddTrack(video_track);
    151     }
    152     return stream;
    153   }
    154 };
    155 
    156 #endif  // TALK_APP_WEBRTC_TEST_FAKEMEDIASTREAMSIGNALING_H_
    157