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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_VIDEO_ENGINE_VIE_BASE_IMPL_H_
#define WEBRTC_VIDEO_ENGINE_VIE_BASE_IMPL_H_
#include "vie_base.h"
#include "vie_defines.h"
#include "vie_ref_count.h"
#include "vie_shared_data.h"
namespace webrtc {
class Module;
class VoiceEngine;
class ViEBaseImpl
: public virtual ViESharedData,
public ViEBase,
public ViERefCount {
public:
virtual int Release();
// Initializes VideoEngine and must be called before any other API is called.
virtual int Init();
// Connects ViE to a VoE instance. Pass in NULL to forget about a previously
// set voice engine and release all resources we allocated from it.
virtual int SetVoiceEngine(VoiceEngine* voice_engine);
// Creates a new ViE channel.
virtual int CreateChannel(int& video_channel);
// Creates a new ViE channel that will use the same capture device and encoder
// as |original_channel|.
virtual int CreateChannel(int& video_channel, int original_channel);
// Deletes a ViE channel.
virtual int DeleteChannel(const int video_channel);
// Connects a ViE channel with a VoE channel.
virtual int ConnectAudioChannel(const int video_channel,
const int audio_channel);
// Disconnects a video/voice channel pair.
virtual int DisconnectAudioChannel(const int video_channel);
// Starts sending on video_channel and also starts the encoder.
virtual int StartSend(const int video_channel);
// Stops sending on the specified channel.
virtual int StopSend(const int video_channel);
// Starts receiving on the channel and also start decoding.
virtual int StartReceive(const int video_channel);
// Stops receiving on the specified channel.
virtual int StopReceive(const int video_channel);
// Registers a customer implemented observer.
virtual int RegisterObserver(ViEBaseObserver& observer);
// Deregisters the observer.
virtual int DeregisterObserver();
// Prints version information into |verson|.
virtual int GetVersion(char version[1024]);
// Returns the error code for the last registered error.
virtual int LastError();
protected:
ViEBaseImpl();
virtual ~ViEBaseImpl();
private:
// Version functions.
WebRtc_Word32 AddViEVersion(char* str) const;
WebRtc_Word32 AddBuildInfo(char* str) const;
WebRtc_Word32 AddExternalTransportBuild(char* str) const;
};
} // namespace webrtc
#endif // WEBRTC_VIDEO_ENGINE_VIE_BASE_IMPL_H_