Home | History | Annotate | Download | only in webrtc 
      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 #ifndef TALK_APP_WEBRTC_PEERCONNECTIONFACTORY_H_
     28 #define TALK_APP_WEBRTC_PEERCONNECTIONFACTORY_H_
     29 
     30 #include <string>
     31 
     32 #include "talk/app/webrtc/mediastreaminterface.h"
     33 #include "talk/app/webrtc/peerconnectioninterface.h"
     34 #include "talk/base/scoped_ptr.h"
     35 #include "talk/base/thread.h"
     36 #include "talk/session/media/channelmanager.h"
     37 
     38 namespace webrtc {
     39 
     40 class PeerConnectionFactory : public PeerConnectionFactoryInterface,
     41                               public talk_base::MessageHandler {
     42  public:
     43   virtual talk_base::scoped_refptr<PeerConnectionInterface>
     44       CreatePeerConnection(
     45           const PeerConnectionInterface::IceServers& configuration,
     46           const MediaConstraintsInterface* constraints,
     47           DTLSIdentityServiceInterface* dtls_identity_service,
     48           PeerConnectionObserver* observer);
     49 
     50   virtual talk_base::scoped_refptr<PeerConnectionInterface>
     51       CreatePeerConnection(
     52           const PeerConnectionInterface::IceServers& configuration,
     53           const MediaConstraintsInterface* constraints,
     54           PortAllocatorFactoryInterface* allocator_factory,
     55           DTLSIdentityServiceInterface* dtls_identity_service,
     56           PeerConnectionObserver* observer);
     57   bool Initialize();
     58 
     59   virtual talk_base::scoped_refptr<MediaStreamInterface>
     60       CreateLocalMediaStream(const std::string& label);
     61 
     62   virtual talk_base::scoped_refptr<AudioSourceInterface> CreateAudioSource(
     63       const MediaConstraintsInterface* constraints);
     64 
     65   virtual talk_base::scoped_refptr<VideoSourceInterface> CreateVideoSource(
     66       cricket::VideoCapturer* capturer,
     67       const MediaConstraintsInterface* constraints);
     68 
     69   virtual talk_base::scoped_refptr<VideoTrackInterface>
     70       CreateVideoTrack(const std::string& id,
     71                        VideoSourceInterface* video_source);
     72 
     73   virtual talk_base::scoped_refptr<AudioTrackInterface>
     74       CreateAudioTrack(const std::string& id,
     75                        AudioSourceInterface* audio_source);
     76 
     77   virtual cricket::ChannelManager* channel_manager();
     78   virtual talk_base::Thread* signaling_thread();
     79   virtual talk_base::Thread* worker_thread();
     80 
     81  protected:
     82   PeerConnectionFactory();
     83   PeerConnectionFactory(
     84       talk_base::Thread* worker_thread,
     85       talk_base::Thread* signaling_thread,
     86       AudioDeviceModule* default_adm,
     87       cricket::WebRtcVideoEncoderFactory* video_encoder_factory,
     88       cricket::WebRtcVideoDecoderFactory* video_decoder_factory);
     89   virtual ~PeerConnectionFactory();
     90 
     91 
     92  private:
     93   bool Initialize_s();
     94   void Terminate_s();
     95   talk_base::scoped_refptr<AudioSourceInterface> CreateAudioSource_s(
     96       const MediaConstraintsInterface* constraints);
     97   talk_base::scoped_refptr<VideoSourceInterface> CreateVideoSource_s(
     98       cricket::VideoCapturer* capturer,
     99       const MediaConstraintsInterface* constraints);
    100   talk_base::scoped_refptr<PeerConnectionInterface> CreatePeerConnection_s(
    101       const PeerConnectionInterface::IceServers& configuration,
    102       const MediaConstraintsInterface* constraints,
    103       PortAllocatorFactoryInterface* allocator_factory,
    104       DTLSIdentityServiceInterface* dtls_identity_service,
    105       PeerConnectionObserver* observer);
    106   // Implements talk_base::MessageHandler.
    107   void OnMessage(talk_base::Message* msg);
    108 
    109   bool owns_ptrs_;
    110   talk_base::Thread* signaling_thread_;
    111   talk_base::Thread* worker_thread_;
    112   talk_base::scoped_refptr<PortAllocatorFactoryInterface> allocator_factory_;
    113   // External Audio device used for audio playback.
    114   talk_base::scoped_refptr<AudioDeviceModule> default_adm_;
    115   talk_base::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   talk_base::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   talk_base::scoped_ptr<cricket::WebRtcVideoDecoderFactory>
    123       video_decoder_factory_;
    124 };
    125 
    126 }  // namespace webrtc
    127 
    128 #endif  // TALK_APP_WEBRTC_PEERCONNECTIONFACTORY_H_
    129