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/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
//#pragma warning( disable: 4786 )
#ifndef __PORT_H__
#define __PORT_H__
#include <map>
#include <list>
#include "boost/shared_ptr.hpp"
#include "ace/Thread_Mutex.h"
#include "ace/Singleton.h"
#include "StdString.h"
#include "AudioCapture.h"
#include "AudioTape.h"
#include "Filter.h"
/** Base class for all types of capture ports. */
class DLL_IMPORT_EXPORT_ORKBASE CapturePort
{
public:
CapturePort(CStdString& Id);
CStdString ToString();
CStdString GetId();
void AddAudioChunk(AudioChunkRef chunkRef);
void AddCaptureEvent(CaptureEventRef eventRef);
bool IsExpired(time_t now);
void Finalize();
void QueueCaptureEvent(CaptureEventRef& eventRef);
void ClearEventQueue();
private:
void LoadFilters();
void FilterAudioChunk(AudioChunkRef& chunkRef);
void FilterCaptureEvent(CaptureEventRef& eventRef);
void ReportEventBacklog(AudioTapeRef& audioTape);
CStdString m_id;
AudioTapeRef m_audioTapeRef;
ACE_Thread_Mutex m_mutex;
bool m_capturing;
double m_vadBelowThresholdSec;
bool m_vadUp;
time_t m_lastUpdated;
std::list<FilterRef> m_filters;
std::list<CaptureEventRef> m_captureEvents;
bool m_needSendStop;
int m_segmentNumber;
};
typedef boost::shared_ptr<CapturePort> CapturePortRef;
/** This singleton holds all dynamically created capture ports and allows convenient access. */
class DLL_IMPORT_EXPORT_ORKBASE CapturePorts
{
public:
CapturePorts();
CapturePortRef GetPort(CStdString & portId);
/** Tries to find a capture port from its ID. If unsuccessful, creates a new one and returns it */
CapturePortRef AddAndReturnPort(CStdString & portId);
void Hoover();
private:
std::map<CStdString, CapturePortRef> m_ports;
ACE_Thread_Mutex m_mutex;
time_t m_lastHooveringTime;
};
typedef ACE_Singleton<CapturePorts, ACE_Thread_Mutex> CapturePortsSingleton;
#endif
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