media/webrtc/trunk/src/video_engine/vie_base_impl.h

   1 /*
   2  *  Copyright (c) 2012 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_VIDEO_ENGINE_VIE_BASE_IMPL_H_
  12 #define WEBRTC_VIDEO_ENGINE_VIE_BASE_IMPL_H_
  13
  14 #include "video_engine/include/vie_base.h"
  15 #include "video_engine/vie_defines.h"
  16 #include "video_engine/vie_ref_count.h"
  17 #include "video_engine/vie_shared_data.h"
  18
  19 namespace webrtc {
  20
  21 class Module;
  22 class VoiceEngine;
  23
  24 class ViEBaseImpl
  25     : public ViEBase,
  26       public ViERefCount {
  27  public:
  28   virtual int Release();
  29
  30   // Implements ViEBase.
  31   virtual int Init();
  32   virtual int SetVoiceEngine(VoiceEngine* voice_engine);
  33   virtual int CreateChannel(int& video_channel);  // NOLINT
  34   virtual int CreateChannel(int& video_channel,  // NOLINT
  35                             int original_channel);
  36   virtual int CreateReceiveChannel(int& video_channel,  // NOLINT
  37                                    int original_channel);
  38   virtual int DeleteChannel(const int video_channel);
  39   virtual int ConnectAudioChannel(const int video_channel,
  40                                   const int audio_channel);
  41   virtual int DisconnectAudioChannel(const int video_channel);
  42   virtual int StartSend(const int video_channel);
  43   virtual int StopSend(const int video_channel);
  44   virtual int StartReceive(const int video_channel);
  45   virtual int StopReceive(const int video_channel);
  46   virtual int RegisterObserver(ViEBaseObserver& observer);  // NOLINT
  47   virtual int DeregisterObserver();
  48   virtual int GetVersion(char version[1024]);
  49   virtual int LastError();
  50
  51  protected:
  52   ViEBaseImpl();
  53   virtual ~ViEBaseImpl();
  54
  55   ViESharedData* shared_data() { return &shared_data_; }
  56
  57  private:
  58   // Version functions.
  59   WebRtc_Word32 AddViEVersion(char* str) const;
  60   WebRtc_Word32 AddBuildInfo(char* str) const;
  61   WebRtc_Word32 AddExternalTransportBuild(char* str) const;
  62
  63   int CreateChannel(int& video_channel, int original_channel,  // NOLINT
  64                     bool sender);
  65
  66   // ViEBaseImpl owns ViESharedData used by all interface implementations.
  67   ViESharedData shared_data_;
  68 };
  69
  70 }  // namespace webrtc
  71
  72 #endif  // WEBRTC_VIDEO_ENGINE_VIE_BASE_IMPL_H_