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/* _*_ C++ _*_ */
// $Id$
#if !defined (_MPEG_AUDIO_CONTROL_STATE_H)
#define _MPEG_AUDIO_CONTROL_STATE_H
#include "ace/Singleton.h"
#include "mpeg_shared/Audio_ControlS.h"
#include "Globals.h"
class Audio_Control_i;
class Audio_Control_State
{
public:
Audio_Control_State (void);
// constructor
enum Audio_States
{
AUDIO_WAITING =0,
AUDIO_PLAY =1
};
Audio_States get_state (void);
// returns the current state.
void set_state (Audio_States state);
// sets the state.
virtual CORBA::Boolean play (const Audio_Control::PLAYPara & para,
CORBA::Long_out ats) ;
virtual CORBA::Boolean speed (const Audio_Control::SPEEDPara & para) ;
virtual CORBA::Boolean stop (CORBA::Long cmdsn) ;
virtual void close (void) ;
protected:
Audio_States state_;
// The state
Audio_Global *audio_global_;
// Pointer to the global.
Audio_Control_i *audio_control_i_;
};
class Audio_Control_Waiting_State : public virtual Audio_Control_State
{
public:
Audio_Control_Waiting_State (void);
// Default constructor.
virtual CORBA::Boolean play (const Audio_Control::PLAYPara ¶,
CORBA::Long_out ats);
virtual void close (void);
};
class Audio_Control_Play_State: public virtual Audio_Control_State
{
public:
Audio_Control_Play_State (void);
// Default constructor
virtual CORBA::Boolean speed (const Audio_Control::SPEEDPara & para);
virtual CORBA::Boolean stop (CORBA::Long cmdsn);
virtual void close (void);
};
typedef ACE_Singleton <Audio_Control_Waiting_State, ACE_SYNCH_MUTEX>
AUDIO_CONTROL_WAITING_STATE;
typedef ACE_Singleton <Audio_Control_Play_State, ACE_SYNCH_MUTEX>
AUDIO_CONTROL_PLAY_STATE;
#endif /*_MPEG_AUDIO_CONTROL_STATE_H */
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