1 /*
2  * libjingle
3  * Copyright 2011 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 #ifndef TALK_APP_WEBRTC_PEERCONNECTIONFACTORY_H_
29 #define TALK_APP_WEBRTC_PEERCONNECTIONFACTORY_H_
30 
31 #include <string>
32 
33 #include "talk/app/webrtc/dtlsidentitystore.h"
34 #include "talk/app/webrtc/mediacontroller.h"
35 #include "talk/app/webrtc/mediastreaminterface.h"
36 #include "talk/app/webrtc/peerconnectioninterface.h"
37 #include "talk/session/media/channelmanager.h"
38 #include "webrtc/base/scoped_ptr.h"
39 #include "webrtc/base/scoped_ref_ptr.h"
40 #include "webrtc/base/thread.h"
41 
42 namespace rtc {
43 class BasicNetworkManager;
44 class BasicPacketSocketFactory;
45 }
46 
47 namespace webrtc {
48 
49 typedef rtc::RefCountedObject<DtlsIdentityStoreImpl>
50     RefCountedDtlsIdentityStore;
51 
52 class PeerConnectionFactory : public PeerConnectionFactoryInterface {
53  public:
SetOptions(const Options & options)54   virtual void SetOptions(const Options& options) {
55     options_ = options;
56   }
57 
58   rtc::scoped_refptr<PeerConnectionInterface> CreatePeerConnection(
59       const PeerConnectionInterface::RTCConfiguration& configuration,
60       const MediaConstraintsInterface* constraints,
61       rtc::scoped_ptr<cricket::PortAllocator> allocator,
62       rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
63       PeerConnectionObserver* observer) override;
64 
65   bool Initialize();
66 
67   rtc::scoped_refptr<MediaStreamInterface>
68       CreateLocalMediaStream(const std::string& label) override;
69 
70   rtc::scoped_refptr<AudioSourceInterface> CreateAudioSource(
71       const MediaConstraintsInterface* constraints) override;
72 
73   rtc::scoped_refptr<VideoSourceInterface> CreateVideoSource(
74       cricket::VideoCapturer* capturer,
75       const MediaConstraintsInterface* constraints) override;
76 
77   rtc::scoped_refptr<VideoTrackInterface>
78       CreateVideoTrack(const std::string& id,
79                        VideoSourceInterface* video_source) override;
80 
81   rtc::scoped_refptr<AudioTrackInterface>
82       CreateAudioTrack(const std::string& id,
83                        AudioSourceInterface* audio_source) override;
84 
85   bool StartAecDump(rtc::PlatformFile file) override;
86   void StopAecDump() override;
87   bool StartRtcEventLog(rtc::PlatformFile file) override;
88   void StopRtcEventLog() override;
89 
90   virtual webrtc::MediaControllerInterface* CreateMediaController() const;
91   virtual rtc::Thread* signaling_thread();
92   virtual rtc::Thread* worker_thread();
options()93   const Options& options() const { return options_; }
94 
95  protected:
96   PeerConnectionFactory();
97   PeerConnectionFactory(
98       rtc::Thread* worker_thread,
99       rtc::Thread* signaling_thread,
100       AudioDeviceModule* default_adm,
101       cricket::WebRtcVideoEncoderFactory* video_encoder_factory,
102       cricket::WebRtcVideoDecoderFactory* video_decoder_factory);
103   virtual ~PeerConnectionFactory();
104 
105  private:
106   cricket::MediaEngineInterface* CreateMediaEngine_w();
107 
108   bool owns_ptrs_;
109   bool wraps_current_thread_;
110   rtc::Thread* signaling_thread_;
111   rtc::Thread* worker_thread_;
112   Options options_;
113   // External Audio device used for audio playback.
114   rtc::scoped_refptr<AudioDeviceModule> default_adm_;
115   rtc::scoped_ptr<cricket::ChannelManager> channel_manager_;
116   // External Video encoder factory. This can be NULL if the client has not
117   // injected any. In that case, video engine will use the internal SW encoder.
118   rtc::scoped_ptr<cricket::WebRtcVideoEncoderFactory>
119       video_encoder_factory_;
120   // External Video decoder factory. This can be NULL if the client has not
121   // injected any. In that case, video engine will use the internal SW decoder.
122   rtc::scoped_ptr<cricket::WebRtcVideoDecoderFactory>
123       video_decoder_factory_;
124   rtc::scoped_ptr<rtc::BasicNetworkManager> default_network_manager_;
125   rtc::scoped_ptr<rtc::BasicPacketSocketFactory> default_socket_factory_;
126 
127   rtc::scoped_refptr<RefCountedDtlsIdentityStore> dtls_identity_store_;
128 };
129 
130 }  // namespace webrtc
131 
132 #endif  // TALK_APP_WEBRTC_PEERCONNECTIONFACTORY_H_
133