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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef CSFMEDIAPROVIDER_H_
#define CSFMEDIAPROVIDER_H_
#if __cplusplus
#include <string>
namespace CSF
{
class AudioControl;
class VideoControl;
class AudioTermination;
class VideoTermination;
class MediaProviderObserver;
class MediaProvider
{
public:
static MediaProvider* create( );///factory method for all MediaProvider derived types (ctor is protected).
virtual ~MediaProvider() = 0;
virtual int init() = 0;
virtual void shutdown() = 0;
virtual AudioControl* getAudioControl() = 0;
virtual VideoControl* getVideoControl() = 0;
virtual AudioTermination* getAudioTermination() = 0;
virtual VideoTermination* getVideoTermination() = 0;
virtual void addMediaProviderObserver( MediaProviderObserver* observer ) = 0;
protected:
MediaProvider() {};
};
class MediaProviderObserver
{
public:
virtual void onVideoModeChanged( bool enable ) {}
virtual void onKeyFrameRequested( int callId ) {}
virtual void onMediaLost( int callId ) {}
virtual void onMediaRestored( int callId ) {}
};
} // namespace
#endif // __cplusplus
#endif /* CSFMEDIAPROVIDER_H_ */
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