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      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:
     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();
     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